The SLC45A2 Gene
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The SLC45A2 Gene
SLC45A2 (solute carrier family 45 member 2), historically known as MATP or membrane-associated transporter protein, is one of the major genes involved in pigmentation in humans and many other vertebrates. Research on the gene connects molecular biology, human pigmentation, evolutionary adaptation, medical genetics, cancer biology, animal coloration and forensic genetics.
SLC45A2 is expressed in pigment-producing cells and produces a membrane protein associated with melanosomes, the specialized cellular structures in which melanin is synthesized. Studies of human melanocytes and experimental organisms indicate that SLC45A2 helps create the chemical environment required for efficient melanin production. Variation in the gene can therefore produce effects ranging from relatively small differences in normal skin, hair and eye pigmentation to severe loss of pigmentation in oculocutaneous albinism type 4 (OCA4).
SLC45A2 has also become an important example of how genetic variation can be shaped by human migration and natural selection. Some variants differ dramatically in frequency among populations and have undergone strong evolutionary change, particularly in Europe. Ancient DNA has allowed researchers to follow these changes through thousands of years of human prehistory.
SLC45A2 and Melanin Production
Melanin is produced inside melanosomes in melanocytes. A central finding of SLC45A2 research is that the protein helps regulate the internal environment of these organelles.
Experimental studies show that loss of SLC45A2 causes melanosomes to become more acidic. This interferes with the activity of tyrosinase, a key enzyme required for melanin production, and consequently reduces pigmentation. SLC45A2 therefore does not simply represent a marker correlated with skin color; it performs a direct biological function within the pigmentation pathway.
Research has further identified SLC45A2 as a transporter associated with the movement of protons and sugars across membranes. Studies involving melanocytes, yeast, zebrafish and other experimental systems have helped clarify how this transport activity contributes to melanosome chemistry.
The stability of the SLC45A2 protein can also influence pigmentation. Different versions of the protein can vary in stability and function, providing a molecular mechanism through which relatively small genetic changes may alter the amount of melanin produced.
SLC45A2 operates as part of a much larger pigmentation network that includes genes such as TYR, OCA2, SLC24A5, MC1R, TYRP1 and HERC2. Together these genes influence melanosome development, melanin synthesis, pigment type and the visible pigmentation of skin, hair and eyes.
Normal Human Pigmentation
Common genetic variation in SLC45A2 contributes substantially to normal differences in human pigmentation.
Association studies have repeatedly linked SLC45A2 polymorphisms with variation in:
- skin color;
- hair color;
- eye color;
- freckles;
- tanning response; and
- sensitivity to sunlight.
One of the most extensively studied variants is rs16891982, which produces the L374F amino-acid substitution. The two forms of this variant have highly different frequencies in human populations and are associated with measurable differences in pigmentation.
Studies of cultured melanocytes indicate that the L374F variation can affect pigmentation at the cellular level. Population studies in Europe, Africa, South Asia, Latin America and other regions have demonstrated that the effect of SLC45A2 occurs within a broader genetic and ancestry-related context.
Skin color is therefore not controlled by SLC45A2 alone. Human pigmentation is a polygenic trait produced by interactions among numerous genes as well as environmental influences, particularly ultraviolet radiation.
Human Evolution and Natural Selection
SLC45A2 is one of the most important genes for understanding the evolution of human pigmentation.
Human populations moving into different environments encountered dramatically different levels of ultraviolet radiation. Pigmentation-related genetic variants were consequently exposed to different evolutionary pressures. Population-genetic studies show strong geographic differentiation at SLC45A2, indicating that natural selection played an important role in shaping its present-day distribution.
The derived 374F allele is particularly frequent in European populations, while the ancestral 374L form remains extremely common across much of sub-Saharan Africa. Studies have also identified geographic gradients in allele frequency extending from northern Europe toward southern Europe and North Africa.
These patterns should not be interpreted as simple racial divisions. Human pigmentation reflects overlapping histories of migration, admixture, genetic drift and natural selection, and different populations can reach similar pigmentation phenotypes through different combinations of genes.
Ancient DNA has transformed understanding of this process. Genomes recovered from prehistoric Europeans indicate that today's distribution of pigmentation alleles did not exist throughout European prehistory. Instead, the frequencies of variants associated with lighter pigmentation changed over time.
Ancient-genome studies covering Mesolithic hunter-gatherers, early farmers, Bronze Age populations and later Europeans provide evidence for substantial selection on pigmentation-associated loci, including SLC45A2. Some studies indicate particularly strong changes during the last several thousand years.
This history demonstrates that visible human pigmentation can evolve relatively rapidly when environmental conditions, migration and population structure create strong selective pressures.
Oculocutaneous Albinism Type 4
Pathogenic variants in SLC45A2 cause oculocutaneous albinism type 4, commonly abbreviated OCA4.
OCA4 affects pigmentation of the skin, hair and eyes and can produce ophthalmic abnormalities associated with insufficient melanin production during development. The condition is usually associated with pathogenic variants affecting both copies of SLC45A2.
Research has identified numerous types of disease-causing SLC45A2 variants, including:
- missense mutations;
- truncating mutations;
- frameshift mutations;
- splice-site mutations;
- promoter variants;
- deletions; and
- other structural changes.
The severity of OCA4 can vary considerably. Genotype-phenotype studies suggest that variants retaining some SLC45A2 activity may produce milder pigmentation abnormalities, whereas variants causing severe disruption or loss of protein function can produce more pronounced phenotypes.
The frequency and mutation spectrum of OCA4 also vary among populations. Clinical studies have identified SLC45A2 mutations in families from Japan, Korea, China, India, Pakistan, Europe, North Africa, Brazil and other regions.
OCA4 appears to constitute a particularly important form of albinism in some East Asian populations, especially Japan. Founder mutations have been investigated in Japanese and Korean patients.
Most OCA4 has traditionally been considered autosomal recessive. However, research has also reported unusual families with apparent dominant inheritance. Recent molecular work suggests that certain SLC45A2 variants may interfere with normally functioning SLC45A2 protein, providing a possible mechanism for these unusual cases.
Modern diagnosis increasingly relies on multigene sequencing, whole-exome sequencing, copy-number analysis and other genomic approaches because different albinism genes can produce clinically overlapping phenotypes.
Population Genetics and Ancient DNA
The extreme population differentiation of some SLC45A2 alleles has made the gene useful for studying human population history.
Research has examined SLC45A2 variation in populations from Africa, Europe, South Asia, East Asia, the Americas and admixed populations. These studies demonstrate that the frequency of pigmentation-associated alleles can differ markedly between regions.
Admixed populations have been particularly informative because researchers can examine pigmentation while simultaneously measuring ancestry contributions from populations with different evolutionary histories. Studies in Cape Verde, Brazil, the Caribbean and other regions show that SLC45A2 works together with other pigmentation loci and ancestry components to influence visible skin color.
Ancient DNA provides a chronological dimension that modern population surveys cannot. By comparing prehistoric and present-day genomes, researchers can estimate when pigmentation-associated alleles increased in frequency and distinguish population replacement from natural selection.
Large ancient-genome studies of European and Eurasian populations have identified SLC45A2 among the loci showing strong changes through time. These findings indicate that the evolutionary history of European pigmentation was gradual and complex rather than a single event accompanying the first settlement of Europe.
Melanoma and Cancer Research
Because pigmentation strongly affects interactions between skin and ultraviolet radiation, researchers have also investigated relationships between SLC45A2 and melanoma.
Multiple studies have reported associations between SLC45A2 pigmentation variants and melanoma susceptibility. These relationships are complicated because the same variants can influence visible pigmentation, ultraviolet sensitivity and biological processes within melanocytic cells.
This creates an important connection between evolutionary genetics and modern disease susceptibility. An allele that was favored under particular environmental conditions in the past may also be associated with altered disease risk under modern environmental circumstances.
SLC45A2 is additionally expressed by melanoma cells, making the protein potentially useful as a tumor marker and therapeutic target. Research has investigated SLC45A2 as an antigen for melanoma immunotherapy because its expression can be concentrated in melanocytic tumors while being more restricted in many normal tissues.
Experimental research has also linked loss of SLC45A2 with changes in melanosomal metabolism and melanoma behavior. These observations broaden the importance of the gene beyond pigmentation alone and suggest connections between melanosome biology, cellular metabolism and tumor progression.
Emerging studies have investigated SLC45A2 in additional cancers and gene-fusion events, although these areas are less established than its roles in pigmentation, OCA4 and melanoma.
SLC45A2 in Other Animals
The importance of SLC45A2 is not limited to humans.
Mutations in homologous forms of the gene produce altered pigmentation in numerous vertebrate species. Studies described in the collected research include:
- mice;
- zebrafish;
- medaka;
- horses;
- cattle;
- sheep;
- dogs;
- chickens;
- Japanese quail;
- parrots;
- ornamental fish; and
- tigers.
The famous white-tiger phenotype, for example, has been linked to mutation in SLC45A2. Variants in the gene also produce cream, pearl and other diluted coat colors in horses, albinism in several dog breeds and pigmentation differences in birds and livestock.
These examples demonstrate that the biological function of SLC45A2 is evolutionarily conserved across diverse vertebrate groups.
Animal models have been particularly valuable for determining gene function. Mouse, zebrafish and medaka experiments helped establish the connection between SLC45A2, melanosome function and pigmentation. Experiments in zebrafish have also been used to test the functional consequences of human genetic variants.
Genome editing provides another experimental approach. CRISPR/Cas9 disruption of slc45a2 has been used to produce albino phenotypes in fish, providing both a pigmentation model and a visible marker of successful genome editing.
Forensic DNA Phenotyping
The strong relationship between SLC45A2 variants and visible pigmentation has made the gene useful in forensic genetics.
SLC45A2 markers are included in systems designed to estimate externally visible characteristics from DNA. These approaches do not recreate a person's appearance but estimate probabilities for traits such as eye, hair and skin color.
SLC45A2 rs16891982 has been incorporated into pigmentation-prediction systems alongside markers in genes such as HERC2, OCA2, MC1R and SLC24A5.
Systems such as IrisPlex and HIrisPlex-S demonstrate how combinations of pigmentation-associated variants can improve predictions compared with any single marker. More recent work has applied statistical and machine-learning approaches to diverse and admixed populations.
The predictive value of a particular allele can vary between populations, however. Because allele frequencies, ancestry and interactions among pigmentation genes differ geographically, forensic models require validation across different populations rather than assuming that a model developed in one population will perform identically everywhere.
SLC45A2 variants can also provide information associated with ancestry because some alleles show extreme geographic differentiation. This creates an important distinction between predicting pigmentation itself and making inferences about population ancestry: although the two kinds of information can overlap genetically, they represent different questions.
Broader Significance
SLC45A2 provides an unusually clear example of how research at different biological scales can converge on the same gene.
At the cellular level, SLC45A2 regulates conditions inside melanosomes that allow efficient melanin production. At the individual level, genetic variation contributes to differences in skin, hair and eye pigmentation. Pathogenic mutations can produce OCA4. At the population level, allele-frequency differences record aspects of migration and adaptation. Ancient DNA reveals how those frequencies changed through time.
The gene also illustrates why visible human variation cannot be understood through simplistic biological categories. Pigmentation results from many genes whose frequencies have changed independently in different populations. Similar visible traits may therefore arise through different evolutionary pathways.
Comparative studies across animals further show that SLC45A2 belongs to an ancient and conserved pigmentation system rather than being uniquely associated with human skin color.
Conclusion
SLC45A2 is a central gene in the biology and evolution of pigmentation. Its protein helps regulate the melanosomal environment required for tyrosinase activity and melanin synthesis, while genetic variation in the locus contributes substantially to normal differences in human skin, hair and eye color.
The extraordinary geographic differentiation of variants such as L374F has made SLC45A2 one of the clearest genetic examples of recent natural selection affecting human pigmentation. Population genetics and ancient DNA show that the frequencies of these variants changed substantially during human migrations and prehistoric population transformations rather than remaining fixed throughout human history.
At the same time, pathogenic SLC45A2 variants demonstrate the medical importance of the same biological pathway by causing oculocutaneous albinism type 4. Research connecting SLC45A2 with melanoma, forensic DNA phenotyping and pigmentation in many animal species further demonstrates the gene's wide scientific importance.
Taken together, the research on SLC45A2 links molecular mechanisms inside a microscopic organelle with visible human diversity, disease, evolutionary adaptation and thousands of years of population history.
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Gene Overview and Reviews
1. Oculocutaneous Albinism Type 4
| GeneReviews | NCBI Bookshelf | 2026
Reviews the clinical presentation, diagnosis, inheritance, molecular genetics, management, and genetic counseling of SLC45A2-related oculocutaneous albinism type 4.
2. SLC45A2 gene
| MedlinePlus Genetics | U.S. National Library of Medicine | 2026
Explains how SLC45A2 functions in melanocytes and melanosomes and describes its relationships with normal variation in skin, hair, and eye pigmentation and with oculocutaneous albinism type 4.
3. SLC45A2 solute carrier family 45 member 2
Provides a comprehensive reference for the human SLC45A2 gene, formerly known as MATP, including its chromosomal location, transcripts, protein products, aliases, disease associations, and role in melanin pigmentation.
4. The Genetic Architecture of Human Skin Pigmentation: Evolution and Adaptation Across Global Populations
| Bose et al. | Frontiers in Genetics | 2026
Reviews the major genes underlying global skin-color variation, including SLC45A2, and examines how natural selection, migration, admixture, and ultraviolet radiation shaped pigmentation diversity.
5. The Evolution of Human Skin Pigmentation: A Changing Medley of Vitamins, Genetic Variability, and UV Radiation During Human Expansion
| Mark D. Lucock | American Journal of Biological Anthropology | 2023
Reviews competing evolutionary pressures on human pigmentation and discusses SLC45A2 as one of the loci strongly affected by selection during human expansion into different ultraviolet environments.
6. Clinical and Mutation Spectrum of Autosomal Recessive Non-Syndromic Oculocutaneous Albinism in Pakistan: A Review
| Muhammad Ikram Ullah | Genes | 2022
Summarizes OCA mutations reported in Pakistani families and discusses SLC45A2/OCA4 alongside other major nonsyndromic albinism genes.
7. Increasing the Complexity: New Genes and New Types of Albinism
| Lluis Montoliu et al. | Pigment Cell & Melanoma Research | 2014
Reviews the expanding molecular classification of albinism and places SLC45A2-related OCA4 within the broader network of genes controlling melanosome biology and pigmentation.
8. Mutational Analysis of Oculocutaneous Albinism: A Compact Review
| B. Kamaraj and R. Purohit | BioMed Research International | 2014
Reviews mutations affecting TYR, OCA2, TYRP1, SLC45A2, and other albinism genes, with a dedicated discussion of SLC45A2 structure and OCA4 mutations.
9. Albinism in Europe
| Mónica Martínez-García and Lluis Montoliu | Journal of Dermatology | 2013
Reviews European albinism genetics and epidemiology, including the contribution of pathogenic SLC45A2 variants to OCA4.
10. DNA Variations in Oculocutaneous Albinism: An Updated Mutation List and Current Outstanding Issues in Molecular Diagnostics
| Dimitre R. Simeonov et al. | Human Mutation | 2013
Compiles hundreds of known mutations in albinism genes, including SLC45A2, and discusses diagnostic challenges such as missing pathogenic alleles and structural variants.
11. Genome-Wide Association Studies of Pigmentation and Skin Cancer: A Review and Meta-Analysis
| Gerstenblith et al. | Pigment Cell & Melanoma Research | 2010
Reviews pigmentation and skin-cancer GWAS findings and identifies SLC45A2 as an important locus affecting pigmentation phenotype and melanoma susceptibility.
12. Recent Advances in Genetic Analyses of Oculocutaneous Albinism Types 2 and 4
| Tamio Suzuki and Yasushi Tomita | Journal of Dermatological Science | 2008
Reviews discoveries involving OCA2 and SLC45A2, emphasizing the molecular basis and clinical diversity of OCA2 and OCA4.
Molecular Function, Regulation, and Experimental Biology
13. Common Dominant-Negative Spectrum of SLC45A2 Mutations in OCA4 Defined by Endoplasmic Reticulum Retention
| Hirotaro Urushibata et al. | Biochemical and Biophysical Research Communications | 2026
Shows that several clinical SLC45A2 variants can trap normal SLC45A2 protein in the endoplasmic reticulum, providing a molecular explanation for unusual dominant forms of OCA4.
14. SLC45A2 Drives Prostate Cancer Progression Through Tumor Promotion and Immune Suppression
| Run Tang et al. | Scientific Reports | 2026
Reports elevated SLC45A2 in prostate adenocarcinoma and experimental evidence that it can promote proliferation and migration while reducing CD8-positive T-cell antitumor activity.
15. Alteration of Hair Melanin in Patients With Mowat-Wilson Syndrome: The Role of the ZEB2 Gene in Regulating Melanogenesis Through SLC45A2
| Mayuko Yamamoto et al. | Pigment Cell & Melanoma Research | 2025
Finds that ZEB2-mutated melanocytes have reduced SLC45A2 expression and altered eumelanin-to-pheomelanin production, connecting SLC45A2 regulation with the reddish-brown hair observed in Mowat-Wilson syndrome.
16. Single-Cell Profiling Deciphering Cholesterol Metabolism Dysregulation in Metastatic Uveal Melanoma and Implicating SLC45A2 in Its Prognosis
| Yiming Zhou et al. | Frontiers in Immunology | 2025
Uses single-cell and transcriptomic approaches to identify metabolic programs associated with metastatic uveal melanoma and evaluates SLC45A2 as a prognostic marker.
17. Ablation of Proton/Glucose Exporter SLC45A2 Enhances Melanosomal Glycolysis to Inhibit Melanin Biosynthesis and Promote Melanoma Metastasis
| Ye Liu et al. | Journal of Investigative Dermatology | 2022
Identifies SLC45A2 as a proton/glucose exporter and links its absence to melanosomal acidification, altered glucose metabolism, reduced melanogenesis, and increased metastatic behavior in experimental melanoma models.
18. Oculocutaneous Albinism Type 4: Phenotype-Genotype Correlation
| Authors listed in article | Genes | 2022
Examines 30 molecularly confirmed OCA4 patients and links severe phenotypes mainly with truncating SLC45A2 variants while milder cases frequently carry at least one missense allele.
19. Oncogenic Activity of Solute Carrier Family 45 Member 2 and Alpha-Methylacyl-Coenzyme A Racemase Gene Fusion Is Mediated by Mitogen-Activated Protein Kinase
| Zuo ZH et al. | Cancer Research | 2022
Investigates an SLC45A2-AMACR gene fusion and provides evidence that the fusion can acquire oncogenic activity through signaling involving the MAP kinase pathway.
20. Homozygous Promoter Variant of SLC45A2 Causes Diverse Hair Color and Patterns
| Tokimasa Hida et al. | The Journal of Dermatology | 2021
Describes individuals carrying a homozygous SLC45A2 promoter variant and demonstrates that regulatory variation can produce unusual hair-color phenotypes without conventional coding mutations.
21. Impact of a 4-bp Deletion Variant in the Promoter Region of SLC45A2 on Color Variation Among a Japanese Population
| Okamura K et al. | Journal of Dermatological Science | 2020
Examines a promoter deletion associated with reduced SLC45A2 activity and OCA-like hypopigmentation, emphasizing the importance of noncoding regulatory mutations.
22. SLC45A2 Protein Stability and Regulation of Melanosome pH Determine Melanocyte Pigmentation
| Linh Le et al. | Molecular Biology of the Cell | 2020
Demonstrates that SLC45A2 helps neutralize mature melanosomes and that the common pigmentation-associated F374 protein is less stable than the ancestral form.
23. The Cell Biology of Pigmentation
| Authors listed in source | Journal of Cell Science | 2018
Discusses melanocyte biology and melanosomal transport mechanisms, including the role of membrane proteins such as SLC45A2 in establishing conditions required for tyrosinase activity.
24. Local Adaptation of Sun-Exposure-Dependent Gene Expression Regulation in Human Skin
| R. Kita and H. B. Fraser | PLOS Genetics | 2016
Identifies gene-expression quantitative trait loci whose effects depend upon sun exposure, including regulatory variation associated with SLC45A2.
25. Mutational Analysis on Membrane Associated Transporter Protein (MATP) and Their Structural Consequences in Oculocutaneous Albinism Type 4 — A Molecular Dynamics Approach
| Kamaraj et al. | Journal of Cellular Biochemistry | 2016
Uses computational structural modeling and molecular dynamics to investigate how pathogenic SLC45A2 amino-acid substitutions may disrupt transporter structure and function.
26. Investigating Polymorphisms in Membrane-Associated Transporter Protein SLC45A2, Using Sucrose Transporters as a Model
| Anke Reinders and John M. Ward | Molecular Medicine Reports | 2015
Uses related sucrose transporters to test functional consequences of SLC45A2 variants, including an OCA4 mutation and the pigmentation-associated L374F substitution.
27. Membrane-Associated Transporter Protein (MATP) Regulates Melanosomal pH and Influences Tyrosinase Activity
| Bin et al. | PLOS ONE | 2015
Shows that loss of SLC45A2 acidifies melanosomes and reduces tyrosinase activity and melanin production, providing direct evidence that the protein regulates the chemical environment required for melanogenesis.
28. Oculocutaneous Albinism: Developing Novel Antibodies Targeting the Proteins Associated With OCA2 and OCA4
| Taisuke Kondo et al. | Journal of Dermatological Science | 2015
Develops antibodies against OCA2 and SLC45A2 proteins and studies their intracellular localization and relationship to trafficking machinery involved in delivering tyrosinase.
29. Melanosome Biogenesis in Health and Disease
| Authors listed in source | Pigment Cell & Melanoma Research | 2014
Reviews melanosome formation, maturation, ion homeostasis, and trafficking and places SLC45A2 within the molecular machinery required for effective melanin synthesis.
30. Proton-Associated Sucrose Transport of Mammalian Solute Carrier Family 45: An Analysis in Saccharomyces cerevisiae
| Bartölke et al. | Biochemical Journal | 2014
Investigates transport properties of SLC45-family proteins in yeast and provides biochemical evidence supporting proton-coupled sugar transport within this transporter family.
31. Colorful DNA Polymorphisms in Humans
| Fan Liu et al. | Seminars in Cell & Developmental Biology | 2013
Reviews DNA polymorphisms influencing eye, hair, and skin color and the growing application of markers such as SLC45A2 in phenotype prediction.
32. Slc45a2 and V-ATPase Are Regulators of Melanosomal pH Homeostasis in Zebrafish, Providing a Mechanism for Human Pigment Evolution and Disease
| Chris M. Dooley et al. | Pigment Cell & Melanoma Research | 2013
Demonstrates that zebrafish Slc45a2 regulates melanosomal pH and that reducing V-ATPase activity can partially restore pigmentation in Slc45a2-deficient melanosomes.
33. Functional Assessment of Human Coding Mutations Affecting Skin Pigmentation Using Zebrafish
| Authors listed in PubMed | PLOS ONE | 2012
Uses zebrafish complementation experiments to test human pigmentation variants and shows that the SLC45A2 L374F substitution has measurable functional consequences.
34. Human Pigmentation Genes Under Environmental Selection
| Richard A. Sturm and David L. Duffy | Genome Biology | 2012
Reviews the evolutionary and environmental selection of pigmentation genes and discusses the strong geographic differentiation of SLC45A2 alleles.
35. Analysis of Cultured Human Melanocytes Based on Polymorphisms Within the SLC45A2/MATP, SLC24A5/NCKX5, and OCA2/P Loci
| Anthony L. Cook et al. | Journal of Investigative Dermatology | 2009
Compares melanocyte cultures carrying different pigmentation genotypes and links SLC45A2 L374F variation with differences in tyrosinase abundance and cellular pigmentation.
36. Molecular Genetics of Human Pigmentation Diversity
| Richard A. Sturm | Human Molecular Genetics | 2009
Reviews genetic discoveries involving SLC45A2, SLC24A5, OCA2, TYR, MC1R and other genes that create normal human variation in pigmentation.
37. Rescue From Oculocutaneous Albinism Type 4 Using Medaka slc45a2 cDNA Driven by Its Own Promoter
| Shoji Fukamachi et al. | Genetics | 2008
Restores pigmentation in mutant medaka using slc45a2 and identifies promoter sequences needed for tissue-specific expression, strengthening the causal link between SLC45A2 and OCA4.
38. Genes and Proteins of the Melanosome
| Authors listed in source | Pigment Cell Research | 2006
Reviews pigmentation proteins that localize to melanosomes and provides context for how transporters such as SLC45A2 interact functionally with the melanogenic pathway.
39. Identification of Aim-1 as the Underwhite Mouse Mutant and Its Transcriptional Regulation by MITF
| Jinyan Du and David E. Fisher | Journal of Biological Chemistry | 2002
Establishes that the mouse underwhite pigmentation mutation affects the gene now recognized as Slc45a2 and connects its transcription to the melanocyte regulator MITF.
40. The Oculocutaneous Albinism Type IV Gene Matp Is a New Marker of Pigment Cell Precursors During Mouse Embryonic Development
| Baxter and Pavan | Mechanisms of Development | 2002
Examines Matp/Slc45a2 expression during mouse embryogenesis and identifies it as a useful marker of developing pigment-cell lineages.
41. Mutations in the Gene Encoding B, a Novel Transporter Protein, Reduce Melanin Content in Medaka
| Shoji Fukamachi, Atsuko Shimada and Akihiro Shima | Nature Genetics | 2001
Identifies the medaka pigmentation gene corresponding to SLC45A2 and demonstrates that mutations in the transporter reduce melanin production.
42. The Underwhite (uw) Locus Acts Autonomously and Reduces the Production of Melanin
| A.L. Lehman et al. | Journal of Investigative Dermatology | 2000
Characterizes the mouse underwhite phenotype and shows that the locus acts within pigment cells to reduce melanin production.
43. A New Allelic Series for the Underwhite Gene on Mouse Chromosome 15
| Sweet et al. | Journal of Heredity | 1998
Describes multiple underwhite alleles in mice, providing early genetic characterization of the locus later identified as Slc45a2.
Human Pigmentation, Population Genetics, Evolution, and Ancient DNA
44. Simultaneous Genotyping of Three Nonsynonymous SNVs in Human Pigmentation Genes
| Mikiko Soejima and Yoshiro Koda | Human Mutation | 2025
Describes a genotyping approach incorporating the important SLC45A2 rs16891982 variant together with other ancestry- and pigmentation-informative coding polymorphisms.
45. Skin Colour: A Window Into Human Phenotypic Evolution and Environmental Adaptation
| Authors listed in PubMed | Molecular Ecology | 2024
Reviews the genomic and environmental determinants of global skin pigmentation, including major loci such as SLC45A2 and their evolutionary histories.
46. The Selection Landscape and Genetic Legacy of Ancient Eurasians
| Irving-Pease et al. | Nature | 2024
Uses large ancient-DNA datasets to reconstruct changes in selected alleles across Eurasian prehistory, including pigmentation-associated variants.
47. Native American Genetic Ancestry and Pigmentation Allele Contributions to Skin Color in a Caribbean Population
| Authors listed in article | eLife | 2023
Examines Kalinago individuals and measures the effects of SLC45A2 L374F, SLC24A5 A111T, African ancestry, European ancestry, and Native American ancestry on skin pigmentation.
48. Palaeogenomics of Upper Palaeolithic to Neolithic European Hunter-Gatherers
| Cosimo Posth et al. | Nature | 2023
Analyzes hundreds of prehistoric individuals and helps trace the distribution of ancestral and derived pigmentation alleles before and during the Neolithic.
49. Large-Scale Migration Into Britain During the Middle to Late Bronze Age
| Nick Patterson et al. | Nature | 2022
Uses ancient genomes to reconstruct migration into Britain and documents temporal changes in phenotype-associated variants, including pigmentation loci.
50. Association of Pigmentation-Related Gene Polymorphisms and Geographic Environmental Variables in the Chinese Population
| Y. Wang et al. | Hereditas | 2021
Examines SLC45A2 and TYR polymorphisms among Chinese ethnic groups and finds correlations between allele frequencies and latitude, longitude, temperature, and sunshine.
51. Genetic Loci Associated With Skin Pigmentation in African Americans and Their Effects on Vitamin D Deficiency
| Authors listed in PubMed | PLOS Genetics | 2021
Shows that variants in SLC24A5, SLC45A2, and OCA2 explain substantial skin-pigmentation variation in African Americans and investigates connections with vitamin D status.
52. A GWAS in Latin Americans Highlights the Convergent Evolution of Lighter Skin Pigmentation in Eurasia
| Kaustubh Adhikari et al. | Nature Communications | 2019
Uses a large Latin American cohort to investigate pigmentation genes and shows that different genetic pathways contributed to lighter pigmentation in western and eastern Eurasian populations.
53. Meta-Analysis of GWA Studies Provides New Insights on the Genetic Architecture of Skin Pigmentation in Recently Admixed Populations
| Authors listed in PubMed | BMC Genetics | 2019
Combines GWAS data from Cuba, Cape Verde, Puerto Rico, and African Americans and identifies SLC45A2 rs16891982 among the strongest pigmentation signals.
54. The Beaker Phenomenon and the Genomic Transformation of Northwest Europe
| Iñigo Olalde et al. | Nature | 2018
Examines large-scale ancestry replacement associated with Bell Beaker populations and supplies ancient genotype data relevant to European pigmentation evolution.
55. The Genomic History of Southeastern Europe
| Iain Mathieson et al. | Nature | 2018
Uses prehistoric genomes to document population movement and changing phenotype-associated allele frequencies across southeastern Europe.
56. Ancient DNA Reveals the Chronology of European Pigmentation Evolution
| Authors listed in source | Evolutionary Anthropology | 2017
Synthesizes ancient-DNA evidence showing that the high modern European frequency of the derived SLC45A2 allele is comparatively recent.
57. Haplotypes From the SLC45A2 Gene Are Associated With the Presence of Freckles and Eye, Hair and Skin Pigmentation in Brazil
| Nádia Carolina de Aguiar Fracasso et al. | Legal Medicine | 2017
Studies 12 SLC45A2 variants in an admixed Brazilian population and identifies haplotypes associated with light pigmentation and freckles.
58. Association of Genetic Variants With Skin Pigmentation Phenotype Among Populations of West Maharashtra, India
| Manjari Jonnalagadda et al. | American Journal of Human Biology | 2016
Examines pigmentation-associated alleles, including SLC45A2, in western Indian populations with substantial variation in measured skin color.
59. Skin Pigmentation Variation Among Populations of West Maharashtra, India
| Manjari Jonnalagadda et al. | American Journal of Human Biology | 2016
Quantifies skin-color diversity among Indian populations and provides population context for genetic studies of loci such as SLC45A2.
60. The Evolution of Human Skin Coloration
| Authors listed in source | Journal of Human Evolution | 2016
Discusses ecological and genetic models for pigmentation evolution and the independent genetic routes through which lighter pigmentation evolved.
61. The Genetic History of Ice Age Europe
| Qiaomei Fu et al. | Nature | 2016
Analyzes Upper Paleolithic European genomes and supplies important evidence about ancestry and pigmentation allele frequencies before later European selective sweeps.
62. Eight Thousand Years of Natural Selection in Europe
| Iain Mathieson et al. | bioRxiv / Ancient Genomics Research | 2015
Examines allele-frequency change through European prehistory and identifies pigmentation as one of the clearest targets of recent human natural selection.
63. Genetics of Skin Color Variation in Europeans: Genome-Wide Association Studies With Functional Follow-Up
| Fan Liu et al. | Human Genetics | 2015
Analyzes more than 17,000 Europeans and confirms SLC45A2 among the major loci associated with quantitative variation in skin color.
64. Genome-Wide Patterns of Selection in 230 Ancient Eurasians
| Iain Mathieson et al. | Nature | 2015
Uses hundreds of ancient genomes to track strong natural selection in Europe, including the rapid rise of derived light-pigmentation alleles at SLC45A2.
65. Global Patterns of Human Pigmentation Genetic Diversity
| Authors listed in source | American Journal of Physical Anthropology | 2015
Surveys geographic variation in pigmentation-related genes and highlights extreme population differentiation at loci such as SLC45A2.
66. Population Genomics of Bronze Age Eurasia
| Morten E. Allentoft et al. | Nature | 2015
Reconstructs Bronze Age population movements and provides ancient genomic data useful for tracing changing frequencies of pigmentation alleles such as SLC45A2.
67. A Closer Look at Evolution: Variants of Genes Involved in Skin Pigmentation Are Associated With Vitamin D Serum Concentration
| Authors listed in PubMed | Endocrinology | 2014
Tests hundreds of variants in pigmentation genes, including SLC45A2, while investigating possible genetic connections between pigmentation and vitamin D status.
68. Ancient Human Genomes Suggest Three Ancestral Populations for Present-Day Europeans
| Iosif Lazaridis et al. | Nature | 2014
Reconstructs major ancestral components of European populations and includes pigmentation genotypes relevant to the history of SLC45A2-derived alleles.
69. Derived Immune and Ancestral Pigmentation Alleles in a 7,000-Year-Old Mesolithic European
| Iñigo Olalde et al. | Nature | 2014
Analyzes the La Braña hunter-gatherer genome and reveals an unusual combination of pigmentation alleles useful for reconstructing the evolutionary history of European skin and eye color.
70. Direct Evidence for Positive Selection of Skin, Hair, and Eye Pigmentation in Europeans During the Last 5,000 Years
| Sandra Wilde et al. | Proceedings of the National Academy of Sciences | 2014
Uses ancient and modern DNA to show strong recent selection affecting SLC45A2, HERC2, and TYR pigmentation alleles in Europe.
71. Evolutionary Genetics of Human Pigmentation
| Authors listed in source | Annual Review of Genomics and Human Genetics | 2014
Reviews population-genetic evidence for natural selection at SLC45A2 and other pigmentation genes following human dispersal into environments with different ultraviolet conditions.
72. Genome Flux and Stasis in a Five Millennium Transect of European Prehistory
| Cristina Gamba et al. | Nature Communications | 2014
Examines genomes spanning thousands of years of European prehistory and provides evidence about changing ancestry and pigmentation allele frequencies.
73. Implications of the Admixture Process in Skin Color Molecular Assessment
| Authors listed in PubMed | PLOS ONE | 2014
Examines how ancestry and pigmentation-associated variants interact in admixed populations and illustrates why allele effects must be interpreted in population context.
74. Genetic Ancestry, Skin Reflectance and Pigmentation Genotypes in Association With Serum Vitamin D Metabolite Balance
| Authors listed in PubMed | American Journal of Physical Anthropology | 2013
Compares ancestry, measured skin pigmentation, SLC45A2 and SLC24A5 genotypes, and vitamin D metabolites in African- and European-ancestry participants.
75. Genetic Architecture of Skin and Eye Color in an African-European Admixed Population
| Sandra Beleza et al. | PLOS Genetics | 2013
Uses Cape Verdean admixture to quantify the effects of ancestry and pigmentation loci, including SLC45A2, on skin and eye color.
76. Improved Eye- and Skin-Color Prediction Based on 8 SNPs
| Authors listed in PubMed | Croatian Medical Journal | 2013
Evaluates a compact genetic prediction system incorporating major pigmentation markers including SLC45A2 for forensic prediction of eye and skin color.
77. Near Fixation of 374L Allele Frequencies of the Skin Pigmentation Gene SLC45A2 in Africa
| Gérard Lucotte and Isao Yuasa | Biochemical Genetics | 2013
Surveys African populations and finds near fixation of the ancestral 374L allele across much of sub-Saharan Africa.
78. Polymorphisms of Four Pigmentation Genes (SLC45A2, SLC24A5, MC1R and TYRP1) Among Eleven Endogamous Populations of India
| Meeta Mukherjee et al. | Journal of Genetics | 2013
Surveys allele-frequency differences in four major pigmentation genes across genetically and socially structured Indian populations.
79. The Timing of Pigmentation Lightening in Europeans
| Sandra Beleza et al. | Molecular Biology and Evolution | 2013
Uses population-genetic modeling to estimate when strong selection for lighter pigmentation alleles, including SLC45A2, occurred in European history.
80. Contrasting Signals of Positive Selection in Genes Involved in Human Skin-Color Variation
| Authors listed in PubMed | European Journal of Human Genetics | 2012
Compares selection signatures across pigmentation loci and populations, contributing to evidence that lighter pigmentation evolved through different genetic routes in Eurasia.
81. Skin Color Variation in Orang Asli Tribes of Peninsular Malaysia
| Authors listed in PubMed | PLOS ONE | 2012
Measures skin pigmentation and pigmentation alleles in indigenous Malaysian populations and reports very low frequencies of the derived European SLC45A2 allele.
82. Model-Based Prediction of Human Hair Color Using DNA Variants
| Wojciech Branicki et al. | Human Genetics | 2011
Develops a genetic model for predicting hair color using pigmentation variants, including informative markers in SLC45A2.
83. A Decreasing Gradient of 374F Allele Frequencies in the Skin Pigmentation Gene SLC45A2, From the North of West Europe to North Africa
| Gérard Lucotte et al. | Biochemical Genetics | 2010
Finds a strong north-to-south frequency gradient for the light-pigmentation 374F allele across Western Europe and North Africa.
84. A Genome-Wide Association Study Identifies Novel Alleles Associated With Hair Color and Skin Pigmentation
| Jiali Han et al. | PLOS Genetics | 2008
Identifies multiple loci influencing pigmentation traits and confirms SLC45A2 as an important contributor to human skin and hair color.
85. Association of the SLC45A2 Gene With Physiological Human Hair Colour Variation
| Wojciech Branicki et al. | Journal of Human Genetics | 2008
Shows that SLC45A2 polymorphisms significantly influence naturally occurring differences in human hair color.
86. A Genomewide Association Study of Skin Pigmentation in a South Asian Population
| Renee Stokowski et al. | American Journal of Human Genetics | 2007
Finds strong associations between skin reflectance and variants in SLC24A5, TYR, and SLC45A2 in a South Asian population.
87. Promoter Polymorphisms in the MATP (SLC45A2) Gene Are Associated With Normal Human Skin Color Variation
| Justin Graf et al. | Human Mutation | 2007
Identifies promoter-region variation in SLC45A2 associated with skin pigmentation and suggests that differences in gene expression contribute to normal color variation.
88. Signatures of Positive Selection in Genes Associated With Human Skin Pigmentation as Revealed From Analyses of Single Nucleotide Polymorphisms
| Authors listed in PubMed | Annals of Human Genetics | 2007
Compares pigmentation genes across Africans, Europeans, and Asians and examines population differentiation and selection involving SLC45A2 and other melanogenesis loci.
89. Distribution of the F374 Allele of the SLC45A2 (MATP) Gene and Founder-Haplotype Analysis
| Isao Yuasa et al. | Annals of Human Genetics | 2006
Maps the distribution and haplotype background of the derived SLC45A2 374F allele associated with lighter pigmentation.
90. Population Differences of Two Coding SNPs in Pigmentation-Related Genes SLC24A5 and SLC45A2
| Authors listed in PubMed | Forensic Science International | 2006
Compares ancestry-informative pigmentation alleles across European, African, Chinese, Uygur, Sri Lankan, and other populations.
91. Single Nucleotide Polymorphisms in the MATP Gene Are Associated With Normal Human Pigmentation Variation
| Justin Graf et al. | Human Mutation | 2005
Demonstrates that common SLC45A2 variants are strongly associated with normal variation in human skin, hair, and eye pigmentation.
Melanoma, Skin Cancer, UV Response, and Skin Biology
92. Genome-Wide Association Study of Facial Skin Wrinkling and Mole Count in Latin Americans
| Authors listed in PubMed | British Journal of Dermatology | 2021
Investigates the genetic architecture of photoaging-related traits in an admixed population and identifies overlap with pigmentation-associated genomic regions.
93. Skin Pigmentation Polymorphisms Associated With Increased Risk of Melanoma in a Case-Control Sample From Southern Brazil
| Larissa B. Reis et al. | BMC Cancer | 2020
Tests pigmentation variants in a Brazilian population and examines how alleles in SLC45A2 and related genes contribute to melanoma susceptibility.
94. Associations Between Sun-Sensitive Pigmentary Genes and Serum Prostate-Specific Antigen Levels
| Nair-Shalliker et al. | PLOS ONE | 2018
Examines polymorphisms in pigmentation-related genes, including SLC45A2, in relation to prostate-specific antigen and potential pleiotropic biological effects.
95. Genetic Architecture of Sun Sensitivity and Tanning Ability
| Authors listed in source | Nature Communications | 2018
Genome-wide investigation of tanning and sunburn phenotypes identifies pigmentation pathways in which SLC45A2 participates.
96. Melanocyte Differentiation Antigens as Targets for Cancer Immunotherapy
| Authors listed in source | Cancer Immunology Research | 2018
Discusses melanocytic antigens as immune targets and the potential advantages of SLC45A2 because of its tumor-associated expression profile.
97. Genome-Wide Association Shows That Pigmentation Genes Play a Role in Skin Aging
| Authors listed in PubMed | Journal of Investigative Dermatology | 2017
Shows that pigmentation pathways also influence visible skin aging and connects pigmentation genetics with long-term responses to ultraviolet exposure.
98. IRF4 Polymorphism Is Associated With Cutaneous Squamous Cell Carcinoma in Organ Transplant Recipients: A Pigment-Independent Phenomenon
| Maryam M. Asgari et al. | Journal of Investigative Dermatology | 2017
Tests major pigmentation variants including SLC45A2 rs16891982 in transplant recipients and evaluates their relationships with cutaneous squamous-cell carcinoma.
99. Melanoma Immunopeptidomics Reveals Pigmentation-Lineage Antigens
| Authors listed in source | Cancer Immunology Research | 2017
Uses peptide-display and immune-recognition approaches relevant to the identification of SLC45A2-derived epitopes on melanoma cells.
100. SLC45A2: A Melanoma Antigen With High Tumor Selectivity and Reduced Potential for Autoimmune Toxicity
| Jungsun Park et al. | Cancer Immunology Research | 2017
Investigates SLC45A2 as an immunotherapy target because of its expression in melanocytic tumors and comparatively restricted expression in normal tissues.
101. Pigmentation Genetics and the Biology of Melanoma Risk
| Authors listed in source | Journal of Investigative Dermatology | 2016
Examines why alleles producing lighter pigmentation can affect melanoma susceptibility through both phenotype-mediated UV exposure and additional biological mechanisms.
102. Pigmentation, Ultraviolet Radiation, and Genetic Susceptibility to Melanoma
| Authors listed in source | Photochemical & Photobiological Sciences | 2015
Reviews interactions among ultraviolet exposure, inherited pigmentation, and melanoma risk and discusses SLC45A2 among low-penetrance pigmentation susceptibility loci.
103. Increased Risk of Developing Cutaneous Malignant Melanoma Is Associated With Variation in Pigmentation Genes and VDR, and May Involve Epistatic Effects
| Authors listed in PubMed | Melanoma Research | 2014
Finds associations between melanoma and polymorphisms in SLC45A2, MC1R, TYR, and the vitamin D receptor and investigates possible interactions among them.
104. The Interplay Between Natural Selection and Susceptibility to Melanoma on Allele 374F of SLC45A2 Gene in a South European Population
| Saioa López et al. | PLOS ONE | 2014
Investigates how the light-pigmentation SLC45A2 374F allele can simultaneously reflect past natural selection and influence contemporary melanoma susceptibility.
105. MC1R, SLC45A2 and TYR Genetic Variants Involved in Melanoma Susceptibility in Southern European Populations: Results From a Meta-Analysis
| Maider Ibarrola-Villava et al. | European Journal of Cancer | 2012
Combines southern European studies to estimate melanoma-risk effects associated with major pigmentation genes including SLC45A2.
106. Pigmentation Genes and Cutaneous Cancer Susceptibility
| Authors listed in source | Pigment Cell & Melanoma Research | 2012
Reviews the overlap between genetic determinants of normal pigmentation and inherited susceptibility to melanoma and other skin cancers.
107. A Customized Pigmentation SNP Array Identifies a Novel SNP Associated With Melanoma Predisposition in the SLC45A2 Gene
| Authors listed in PubMed | PLOS ONE | 2011
Screens hundreds of pigmentation variants and identifies SLC45A2 rs35414 as a reproducible melanoma-associated marker in Spanish case-control cohorts.
108. Genome-Wide Association Study Identifies Three New Melanoma Susceptibility Loci
| Authors listed in source | Nature Genetics | 2011
Places pigmentation genes within the wider inherited architecture of melanoma susceptibility and confirms the close relationship between pigmentation biology and melanoma risk.
109. Multiple Pigmentation Gene Polymorphisms Account for a Substantial Proportion of Risk of Cutaneous Malignant Melanoma
| Authors listed in article | Journal of Investigative Dermatology | 2010
Finds strong melanoma associations with several SLC45A2 variants and shows that pigmentation loci collectively explain an important fraction of familial melanoma risk.
110. Genetic Variants in Pigmentation Genes, Pigmentary Phenotypes, and Risk of Skin Cancer in Caucasians
| Hongmei Nan et al. | International Journal of Cancer | 2009
Associates SLC45A2 Phe374Leu strongly with hair color, skin color, and tanning ability and tests additional SLC45A2 variation for melanoma risk.
111. New Common Variants Affecting Susceptibility to Basal Cell Carcinoma
| Authors listed in PubMed | Nature Genetics | 2009
Genome-wide analysis of basal-cell carcinoma identifies risk loci and helps distinguish pigmentation-mediated cancer susceptibility from other carcinogenic mechanisms.
112. SLC45A2: A Novel Malignant Melanoma-Associated Gene
| L.P. Fernandez et al. | Human Mutation | 2008
Examines SLC45A2 polymorphisms in relation to melanoma and establishes the gene as both a pigmentation locus and a melanoma-susceptibility locus.
113. Variants of the MATP/SLC45A2 Gene Are Protective for Melanoma in the French Population
| Mickaël Guedj et al. | Human Mutation | 2008
Reports associations between SLC45A2 pigmentation alleles and melanoma risk in a French population.
114. Molecular Classification of Melanoma Using Real-Time Quantitative Reverse Transcriptase-Polymerase Chain Reaction
| Tracey B. Lewis et al. | Cancer | 2005
Evaluates gene-expression markers for melanoma classification and includes MATP/SLC45A2 among melanocyte-lineage-associated molecular markers.
OCA4, Albinism, and Clinical Genetics
115. Unusual Autosomal Dominant Inheritance of OCA4: Clinical and Functional Features From a Chinese Family
| Authors listed in PubMed | Journal Article | 2025
Provides additional evidence that selected SLC45A2 variants can behave dominantly and uses functional experiments to investigate the underlying mechanism.
116. Oculocutaneous Albinism Type 4: Novel Compound Heterozygous Mutations in the SLC45A2 Gene in a Chinese Case
| He et al. | Molecular Genetics & Genomic Medicine | 2024
Reports novel compound-heterozygous SLC45A2 variants in a Chinese OCA4 patient and adds to the expanding Asian mutation spectrum.
117. Genetic Variability in a Slovenian Cohort of Patients With Oculocutaneous Albinism
| Authors listed in PubMed | Genes | 2021
Characterizes the genetic causes of albinism in Slovenia and adds population-specific information about SLC45A2 and other OCA genes.
118. Identification and Computational Analysis of Novel TYR and SLC45A2 Gene Mutations in Pakistani Families With Identical Non-Syndromic Oculocutaneous Albinism
| Nousheen Bibi et al. | Frontiers in Genetics | 2020
Identifies novel pathogenic variants and demonstrates that clinically similar albinism can result from mutations in different melanogenesis genes.
119. Non-Syndromic Oculocutaneous Albinism: Novel Genetic Variants and Clinical Follow Up of a Brazilian Pediatric Cohort
| Authors listed in PubMed | Frontiers in Genetics | 2020
Combines genetic, ophthalmologic, and dermatologic evaluation and identifies compound heterozygous SLC45A2 mutations in a Brazilian child with OCA4.
120. Whole-Exome Sequencing for Molecular Diagnosis of Oculocutaneous Albinism
| Authors listed in source | Molecular Genetics & Genomic Medicine | 2020
Demonstrates how exome sequencing can identify SLC45A2 and other pigmentation-gene variants when clinical classification alone is insufficient.
121. Comprehensive Analysis of Spectral Distribution of a Large Cohort of Chinese Patients With Non-Syndromic Oculocutaneous Albinism Facilitates Genetic Diagnosis
| Zhong et al. | Pigment Cell & Melanoma Research | 2019
Characterizes the mutation spectrum of nonsyndromic OCA in a large Chinese cohort and clarifies the contribution of SLC45A2.
122. Comprehensive Analysis of the Genetic Spectrum of Chinese Patients With Nonsyndromic Oculocutaneous Albinism
| Authors listed in PubMed | Pigment Cell & Melanoma Research | 2019
Identifies dozens of pathogenic variants across known OCA genes, including seven previously undescribed SLC45A2 variants.
123. Mutational Analysis of TYR, OCA2, and SLC45A2 Genes in Chinese Families With Oculocutaneous Albinism
| Authors listed in PubMed | Molecular Genetics & Genomic Medicine | 2019
Screens Chinese OCA families and demonstrates the continuing importance of SLC45A2 testing alongside TYR and OCA2.
124. Whole Exome Sequencing Identifies a Novel Pathogenic Variation in SLC45A2 in Multiple Members of a Family With Oculocutaneous Albinism in Southern India
| Authors listed in PubMed | Clinical and Experimental Optometry | 2019
Uses exome sequencing to identify a homozygous frameshift SLC45A2 variant segregating with albinism in a southern Indian family.
125. Lessons of a Day Hospital: Comprehensive Assessment of Patients With Albinism in a European Setting
| Authors listed in PubMed | Pigment Cell & Melanoma Research | 2018
Provides combined clinical and genetic assessment of European albinism patients, with SLC45A2 mutations responsible for a substantial fraction of diagnosed cases.
126. Next-Generation Sequencing in the Molecular Diagnosis of Albinism
| Authors listed in source | Orphanet Journal of Rare Diseases | 2018
Evaluates multigene approaches to albinism diagnosis and illustrates why SLC45A2 should be tested together with other nonsyndromic and syndromic albinism genes.
127. A Japanese Family With Autosomal Dominant Oculocutaneous Albinism Type 4
| Authors listed in PubMed | Japanese Journal of Ophthalmology | 2017
Describes an unusual family in which a SLC45A2 mutation appears to produce OCA4 through dominant inheritance rather than the traditional recessive pattern.
128. Clinical Evaluation and Molecular Screening of a Large Consecutive Series of Albino Patients
| Authors listed in PubMed | Journal of Human Genetics | 2017
Uses systematic phenotyping and multigene testing to clarify the distribution of genetic albinism types, including SLC45A2-related OCA4.
129. Genetic Heterogeneity of Oculocutaneous Albinism
| Authors listed in source | Human Genetics | 2017
Reviews or analyzes the numerous genes capable of producing overlapping albinism phenotypes and highlights the necessity of molecular testing for identifying OCA4.
130. Identification of Two Novel Mutations in the SLC45A2 Gene in a Hungarian Pedigree Affected by Unusual OCA Type 4
| Lola Tóth et al. | BMC Medical Genetics | 2017
Reports two pathogenic SLC45A2 variants in a Hungarian family with an atypical OCA4 phenotype.
131. Identification of a Novel SLC45A2 Mutation in Albinism by Targeted Next-Generation Sequencing
| Authors listed in PubMed | Molecular Genetics & Genomic Medicine | 2016
Demonstrates the usefulness of targeted sequencing panels for detecting uncommon pathogenic SLC45A2 variants in patients whose albinism subtype cannot be reliably determined clinically.
132. Mutational Spectrum of the TYR and SLC45A2 Genes in Pakistani Families With Oculocutaneous Albinism, and Potential Founder Effect of p.Arg77Gln of Tyrosinase
| Shah SA et al. | Clinical and Experimental Dermatology | 2015
Screens Pakistani OCA families and identifies SLC45A2 mutations while illustrating extensive genetic heterogeneity in populations with frequent consanguinity.
133. Two Novel Splicing Mutations in the SLC45A2 Gene Cause Oculocutaneous Albinism Type IV by Unmasking Cryptic Splice Sites
| Letizia Straniero et al. | Journal of Human Genetics | 2015
Demonstrates how two SLC45A2 variants disrupt normal RNA splicing and activate cryptic splice sites in an OCA4 patient.
134. High-Resolution Array-CGH in Patients With Oculocutaneous Albinism Identifies New Deletions of the TYR, OCA2, and SLC45A2 Genes
| Fanny Morice-Picard et al. | Pigment Cell & Melanoma Research | 2014
Shows that copy-number variation, including deletions affecting SLC45A2, can explain OCA cases missed by conventional sequence analysis.
135. Molecular Diagnosis of Oculocutaneous Albinism: New Mutations and Genotype-Phenotype Relationships
| Authors listed in source | Clinical Genetics | 2014
Examines molecular diagnoses across different OCA types and contributes to understanding how residual SLC45A2 activity influences the severity of pigmentation loss.
136. SLC45A2 Mutation Frequency in Oculocutaneous Albinism Italian Patients Doesn't Differ From Other European Studies
| Lucia Mauri et al. | Gene | 2014
Screens Italian albinism patients for SLC45A2 mutations and compares OCA4 prevalence with other European cohorts.
137. Genetic Studies of TYRP1 and SLC45A2 in Pakistani Patients With Nonsyndromic Oculocutaneous Albinism
| Kausar T et al. | Journal of Investigative Dermatology | 2013
Identifies pathogenic SLC45A2 and TYRP1 variants in Pakistani families and expands the mutation spectrum of nonsyndromic OCA.
138. Identification of a Novel Pathogenic Mutation in MATP Gene With Oculocutaneous Albinism Type IV From a Consanguineous Marriage Family
| Bei Xu et al. | Zhonghua Yi Xue Za Zhi | 2012
Describes a large homozygous deletion in SLC45A2/MATP causing OCA4 in a consanguineous Chinese family.
139. Molecular Analysis of Korean Patients With Oculocutaneous Albinism
| Shin Hae Park et al. | Japanese Journal of Ophthalmology | 2012
Screens TYR, OCA2, and SLC45A2 in Korean OCA patients and correlates genetic findings with ophthalmic and pigmentation phenotypes.
140. Mutation Spectrum of the TYR and SLC45A2 Genes in Patients With Oculocutaneous Albinism
| Jung Min Ko et al. | Molecular Medicine Reports | 2012
Compares pathogenic variants in TYR and SLC45A2 among patients with OCA and illustrates substantial genetic heterogeneity behind similar clinical presentations.
141. Homozygosity Mapping and Whole-Exome Sequencing to Detect SLC45A2 and G6PC3 Mutations in a Single Patient With Oculocutaneous Albinism and Neutropenia
| Andrew R. Cullinane et al. | Journal of Investigative Dermatology | 2011
Demonstrates how genomic methods can identify independent pathogenic mutations responsible for two different recessive disorders in the same patient.
142. Implementation of an Optimized Strategy for Genetic Testing of Chinese Patients With Oculocutaneous Albinism
| Aihua Wei et al. | Journal of Dermatological Science | 2011
Evaluates molecular diagnostic strategies for Chinese OCA patients, including systematic testing of SLC45A2.
143. Prenatal Diagnosis of Oculocutaneous Albinism Type 4 and Identification of a Novel SLC45A2 Mutation
| Authors listed in PubMed | Prenatal Diagnosis | 2011
Demonstrates molecular prenatal diagnosis of SLC45A2-related albinism and adds another pathogenic variant to the OCA4 mutation spectrum.
144. Molecular and Clinical Characterization of Albinism in a Large Cohort of Italian Patients
| Authors listed in PubMed | Investigative Ophthalmology & Visual Science | 2010
Sequences multiple albinism genes in Italian patients and identifies previously undescribed variants including mutations in SLC45A2.
145. Spectrum of Candidate Gene Mutations Associated With Indian Familial Oculocutaneous and Ocular Albinism
| Authors listed in PubMed | Molecular Vision | 2010
Surveys multiple pigmentation genes in Indian families and illustrates both genetic heterogeneity and the contribution of SLC45A2 to albinism.
146. Oculocutaneous Albinism Type IV: A Boy of Moroccan Descent With a Novel Mutation in SLC45A2
| Takayuki Konno et al. | American Journal of Medical Genetics Part A | 2009
Reports homozygous SLC45A2 p.H38R in a Moroccan-descended child and experimentally demonstrates impaired melanogenic function.
147. SLC45A2 Variations in Indian Oculocutaneous Albinism Patients
| Mainak Sengupta et al. | Molecular Vision | 2007
Investigates SLC45A2 mutations in Indian OCA patients and expands knowledge of the gene's pathogenic variation outside Europe and East Asia.
148. Oculocutaneous Albinism Type 4: Six Novel Mutations in the Membrane-Associated Transporter Protein Gene and Their Phenotypes
| Katsuhiko Inagaki et al. | Pigment Cell Research | 2006
Describes six additional SLC45A2 mutations and compares their molecular genotypes with clinical pigmentation phenotypes.
149. A Korean Case of Oculocutaneous Albinism Type IV Caused by a D157N Mutation in the MATP Gene
| Tamio Suzuki et al. | British Journal of Dermatology | 2005
Reports SLC45A2 D157N-associated OCA4 in a Korean patient and helped establish the importance of this recurrent East Asian pathogenic allele.
150. Evidence for a Founder Effect for the p.D157N Mutation in SLC45A2 Among Japanese and Korean OCA4 Patients
| Katsuhiko Inagaki et al. | Pigment Cell Research | 2005
Haplotype analysis supports a shared founder origin for the common D157N OCA4 mutation found in Japanese and Korean families.
151. Oculocutaneous Albinism Type 4 Is One of the Most Common Types of Albinism in Japan
| Katsuhiko Inagaki et al. | American Journal of Human Genetics | 2004
Establishes the relatively high frequency of SLC45A2-related OCA4 among Japanese patients and expands the known mutation spectrum.
152. Mutations in the Human Orthologue of the Mouse Underwhite Gene (uw) Underlie a New Form of Oculocutaneous Albinism, OCA4
| J.M. Newton et al. | American Journal of Human Genetics | 2001
Landmark study identifying pathogenic SLC45A2 mutations as the cause of oculocutaneous albinism type 4 in humans.
Pigmentation Phenotypes and Forensic Genetics
153. BR-FDP-SKIN: Brazilian Forensic DNA Skin Phenotyping Based on Machine Learning Models
| Authors listed in PubMed | Forensic Science International: Genetics | 2026
Develops skin-color prediction models for admixed Brazilians and identifies SLC45A2 rs16891982 as one of the most informative markers.
154. Developmental Validation of the HIrisPlex-S System
| Authors listed in source | Forensic Science International: Genetics | 2019
Validates laboratory performance of a forensic pigmentation-prediction system containing SLC45A2 and other highly informative pigmentation variants.
155. Genetic Variants Associated With Skin Photosensitivity in a Southern European Population From Spain
| Authors listed in PubMed | Photodermatology, Photoimmunology & Photomedicine | 2018
Evaluates pigmentation genes in relation to sun sensitivity and tanning responses in southern Europeans, including variants at SLC45A2.
156. HIrisPlex-S System for Eye, Hair and Skin Colour Prediction From DNA
| Authors listed in source | Forensic Science International: Genetics | 2018
Expands forensic DNA phenotyping to simultaneous prediction of eye, hair, and skin color using a panel that incorporates SLC45A2.
157. Association of Five SNPs With Human Hair Colour in the Polish Population
| A. Siewierska-Górska et al. | HOMO | 2017
Examines several pigmentation markers including SLC45A2 and their contribution to natural hair-color differences in a Polish population.
158. Forensic DNA Phenotyping: Predicting Human Appearance From Crime Scene Material
| Authors listed in source | Forensic Science International: Genetics | 2017
Reviews genetic prediction of externally visible traits and includes SLC45A2 among well-established markers of pigmentation.
159. Genetic Prediction of Skin Color in Diverse Human Populations
| Authors listed in source | Human Genetics | 2017
Evaluates pigmentation variants across ancestry groups and highlights both the predictive value and population dependence of SLC45A2 alleles.
160. Selected Gene Polymorphisms Effect on Skin and Hair Pigmentation in Polish Children at the Prepubertal Age
| Authors listed in PubMed | Anthropological Review | 2016
Finds a strong association between SLC45A2 rs16891982 and skin pigmentation in Polish children and evaluates its usefulness for phenotype prediction.
161. DNA-Based Prediction of Human Externally Visible Characteristics
| Authors listed in source | Forensic Science International: Genetics | 2015
Reviews the development of forensic DNA phenotyping and explains why SLC45A2 is valuable for predicting pigmentation from biological samples.
162. Assessment of High Resolution Melting Analysis as a Potential SNP Genotyping Technique in Forensic Casework
| Authors listed in PubMed | Forensic Science International: Genetics | 2014
Evaluates genotyping methods applicable to forensic phenotype markers, including pigmentation-associated SLC45A2 polymorphisms.
163. Collaborative EDNAP Exercise on the IrisPlex System for DNA-Based Prediction of Human Eye Colour
| Authors listed in PubMed | Forensic Science International: Genetics | 2014
Evaluates the reproducibility of IrisPlex across 21 forensic laboratories and includes SLC45A2 among the six standard eye-color predictor loci.
164. Association of SNPs From the SLC45A2 Gene With Human Pigmentation Traits in Brazil
| Mendes-Junior et al. | Forensic Science International: Genetics Supplement Series | 2013
Tests 12 SLC45A2 polymorphisms in an admixed Brazilian population and identifies several variants associated with pale skin, light eyes, blond hair, and related pigmentation traits.
165. Prediction of Eye Color in the Slovenian Population Using the IrisPlex SNPs
| Vanja Kastelic et al. | Croatian Medical Journal | 2013
Tests the IrisPlex system, which incorporates SLC45A2 rs16891982 along with five other highly informative pigmentation variants.
166. Eye, Hair, and Skin Pigmentation Genetics in European Populations
| Authors listed in source | Human Genetics | 2012
Examines pigmentation-associated polymorphisms across European populations and demonstrates the large phenotypic contribution of a small number of strongly differentiated loci including SLC45A2.
167. Pigmentation SNPs as Ancestry-Informative and Phenotype-Informative Markers
| Authors listed in source | Forensic Science International: Genetics | 2011
Discusses how highly differentiated pigmentation variants such as SLC45A2 rs16891982 can contain information about both physical phenotype and biogeographic ancestry.
168. Genome-Wide Association Study of Tanning Phenotype in a Population of European Ancestry
| Authors listed in source | Journal of Investigative Dermatology | 2010
Identifies genomic regions influencing tanning response and reinforces the relationship between pigmentation loci such as SLC45A2 and UV-response phenotypes.
169. Human Eye Colour and HERC2, OCA2 and MATP
| Authors listed in PubMed | Forensic Science International: Genetics | 2010
Tests SLC45A2 together with HERC2 and OCA2 variants for their ability to distinguish light from dark eye color in a Danish population.
170. Web-Based, Participant-Driven Studies Yield Novel Genetic Associations for Common Traits
| Nicholas Eriksson et al. | PLOS Genetics | 2010
Uses a large participant-driven genetic dataset and replicates SLC45A2 associations with visible pigmentation traits.
171. Genetic Determinants of Hair and Eye Colours in the Scottish and Danish Populations
| Authors listed in article | BMC Genetics | 2009
Finds a particularly strong relationship between SLC45A2 rs16891982 and hair color in the Danish population while examining numerous pigmentation loci.
172. Interactions Between HERC2, OCA2 and MC1R May Influence Human Pigmentation Phenotype
| Wojciech Branicki et al. | Annals of Human Genetics | 2009
Investigates gene-gene interactions affecting eye, hair, and skin color while incorporating previously generated SLC45A2 genotype information.
Comparative Genetics and Animal Models
173. Avenues of Genome Editing for Color Trait Improvement in Ornamental Fishes: Current Status and Future Perspectives
| Authors listed in PubMed | Aquaculture and Fisheries | 2026
Reviews CRISPR-based manipulation of pigmentation genes in ornamental fish and identifies slc45a2 as one of the major conserved targets for producing heritable color changes.
174. Reduced Gene Expression and Missense Mutations in the Transporter Protein SLC45A2 in a Hypopigmented Egyptian Rousette Fruit Bat
| Kalina T. J. Davies et al. | Journal of Heredity | 2026
Finds greatly reduced SLC45A2 expression plus missense variants in a hypopigmented fruit bat, providing the first detailed molecular investigation of this gene in bat albinism.
175. A Recessive Coat Color Dilution in Dexter Cattle Attributed to a Missense Mutation in SLC45A2
| Fuller et al. | Animal Genetics | 2025
Identifies a SLC45A2 p.Gln133Pro mutation that produces chocolate coloration on a black genetic background and cream coloration on a red background in Dexter cattle.
176. A SLC45A2 Mutation Is Strongly Associated With the Cream Dilution in Baroque Donkeys
| Arne Ludwig et al. | Tierärztliche Praxis Ausgabe G | 2025
Identifies an SLC45A2 p.Ala486Val variant strongly associated with the striking recessive cream coat color of Baroque donkeys.
177. A 3-bp Deletion in the SLC45A2 Gene Is Associated With Loss of Fleece Pigmentation in Black-Fleeced Suffolk Sheep
| Authors listed in PubMed | Animal Genetics | 2024
Identifies a three-base deletion in SLC45A2 strongly associated with conversion from pigmented to white fleece in Suffolk sheep.
178. Expression and Mutation of SLC45A2 Affects Iris Color in Quail
| Linke Huo et al. | The Journal of Poultry Science | 2024
Finds differential SLC45A2 expression between quail strains and identifies a p.Thr354Met variant significantly associated with iris pigmentation.
179. Generation of a Transparent Killifish Line Through Multiplex CRISPR/Cas9 Gene Inactivation
| Authors listed in PubMed | Scientific Reports | 2023
Uses simultaneous editing of pigmentation genes including slc45a2 to produce transparent fish useful for imaging internal tissues and biological processes.
180. Generation of Albino Phenotype in Ornamental Fish by CRISPR/Cas9-Mediated Genome Editing of slc45a2 Gene
| Authors listed in PubMed | Marine Biotechnology | 2023
Uses CRISPR/Cas9 targeting of a conserved slc45a2 region to create albino phenotypes in multiple ornamental fish species, demonstrating the gene's usefulness as both a pigmentation model and genome-editing target.
181. Genetic Basis of the Yellow-Albino Phenotype in Northern Snakehead
| Authors listed in PubMed | Aquaculture | 2023
Investigates the molecular basis of an unusual albino pigmentation phenotype and implicates changes in the melanin-production pathway involving slc45a2.
182. Mutations in SLC45A2 Lead to Loss of Melanin in Parrot Feathers
| Authors listed in PubMed | Genetics | 2023
Shows that SLC45A2 mutations disrupt melanosome formation and produce yellow plumage in several parakeet species, revealing conserved roles across birds and mammals.
183. Genome Editing Using the CRISPR-Cas9 System to Generate a Solid-Red Germline of Nile Tilapia
| Authors listed in PubMed | Marine Biotechnology | 2021
Uses SLC45A2 knockout to eliminate black melanin from Nile tilapia and demonstrates stable germline transmission of edited pigmentation alleles.
184. A Candidate Gene Approach Identifies Variants in SLC45A2 That Explain Dilute Phenotypes, Pearl and Sunshine, in Compound Heterozygote Horses
| H.M. Holl et al. | Animal Genetics | 2019
Identifies multiple SLC45A2 alleles responsible for distinct dilution phenotypes and demonstrates allelic interactions within the equine locus.
185. Explicit Evidence for a Missense Mutation in Exon 4 of SLC45A2 Gene Causing the Pearl Coat Dilution in Horses
| Authors listed in PubMed | Animal Genetics | 2019
Provides genetic evidence that an SLC45A2 missense mutation causes the recessive pearl dilution phenotype in horses.
186. A Single Base Deletion in the SLC45A2 Gene in a Bullmastiff With Oculocutaneous Albinism
| M. Caduff et al. | Animal Genetics | 2017
Reports a frameshift-causing SLC45A2 deletion that co-segregates with oculocutaneous albinism in a Bullmastiff pedigree.
187. Detection of Two Non-Synonymous SNPs in SLC45A2 on BTA20 as Candidate Causal Mutations for Oculocutaneous Albinism in Braunvieh Cattle
| Sophie Rothammer et al. | Genetics Selection Evolution | 2017
Identifies SLC45A2 coding variants associated with inherited albinism in Braunvieh cattle.
188. Distribution and Expression of SLC45A2 in the Skin of Sheep With Different Coat Colors
| Authors listed in PubMed | Folia Histochemica et Cytobiologica | 2016
Finds substantial differences in SLC45A2 expression among black, piebald, and white sheep skin, supporting a relationship between expression level and coat pigmentation.
189. A Missense Mutation in SLC45A2 Is Associated With Albinism in Several Small Long-Haired Dog Breeds
| Hiruni R. Wijesena and Sheila M. Schmutz | Journal of Heredity | 2015
Identifies a damaging SLC45A2 p.G493D allele associated with albinism in several related small dog breeds.
190. A Partial Gene Deletion of SLC45A2 Causes Oculocutaneous Albinism in Doberman Pinscher Dogs
| Paige A. Winkler et al. | PLOS ONE | 2014
Identifies a deletion affecting SLC45A2 in white Doberman Pinschers and links the mutation to albinism and associated ocular and cutaneous abnormalities.
191. Targeted Mutagenesis in Atlantic Salmon Using the CRISPR/Cas9 System Induces Complete Knockout Individuals in the F0 Generation
| Authors listed in PubMed | PLOS ONE | 2014
Targets slc45a2 and tyrosinase and demonstrates that CRISPR can generate Atlantic salmon with partial or complete loss of pigmentation in the first generation.
192. The Genetic Basis of White Tigers
| Xiao Xu et al. | Current Biology | 2013
Identifies a SLC45A2 mutation responsible for the famous white-tiger phenotype and links the allele to reduced eumelanin pigmentation rather than complete absence of pigment cells.
193. Plumage Colour Mutations and Melanins in the Feathers of the Japanese Quail: A First Comparison
| Francis Minvielle et al. | Animal Genetics | 2009
Quantifies melanin in multiple Japanese-quail color mutants, including imperfect albinism caused by SLC45A2 variation.
194. Mutations in SLC45A2 Cause Plumage Color Variation in Chicken and Japanese Quail
| Ulrika Gunnarsson et al. | Genetics | 2007
Shows that SLC45A2 mutations underlie pigmentation changes in both chickens and Japanese quail, demonstrating deep evolutionary conservation of gene function.
195. The Genetics of Cream Coat Color in Dogs
| Authors listed in PubMed | Journal of Heredity | 2007
Tests SLC45A2 and TYR as candidate genes for cream coloration in several dog breeds and demonstrates that neither alone explains the widespread canine cream phenotype examined.
196. A Mutation in the MATP Gene Causes the Cream Coat Colour in the Horse
| Denis Mariat, Sead Taourit and Gérard Guérin | Genetics Selection Evolution | 2003
Identifies SLC45A2/MATP as the gene responsible for cream coat-color dilution in horses, demonstrating the conserved role of the transporter in mammalian pigmentation.
