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This review highlights the diverse roles of melanocytes in pigmentation, immunity, and hearing among other functions, their involvement in disorders, and their emerging potential in regenerative medicine, including applications in disease modeling and therapy development using advanced technologies.

This study used whole-genome resequencing to analyze genetic diversity and selection in 17 rabbit breeds, identifying genes linked to traits like coat color and body size, which could inform breeding and conservation efforts.

This study identified a gene variant in the TRPV3 gene that may explain the suri alpaca phenotype, characterized by longer and less crimped fleece, suggesting this variant's involvement in the development of these hair characteristics compared to the huacaya phenotype.

This article discusses the role of regulatory T cells in alopecia areata, where their deficiency in hair follicles may lead to impaired local immunity and suggests potential therapies like CAR-T reg cells and low-dose IL-2 to alleviate autoimmunity and promote hair regeneration in affected individuals.

This report discusses the Ninth World Congress for Hair Research and highlights the potential of hair follicle studies to advance understanding of various diseases, with no new clinical results presented.

This study suggests that melanoma tumor cells exhibit intrinsic plasticity, challenging the applicability of the cancer stem cell model to this malignancy.

In this study, researchers identified key genes such as EDNRB2, GPNMB, TRPM1, TYR, and DCT that regulate melanin deposition in the breast muscles of black-boned chickens, contributing to their unique pigmentation during embryonic development.

This study found that while genetic variants contribute minimally to predicting hair greying in a Polish population, age remains the primary predictor, underscoring the complexity of hair greying as a genetic trait.

This study highlights multiple factors contributing to hair graying, such as oxidative damage, melanocyte changes, and genetic influences, and suggests that repigmentation may be temporarily reversible, offering potential targets for future treatments while urging caution when applying mouse model findings to humans.

This study found that female Holdobaggy goslings have higher melanin content in their dorsal plumage than males, suggesting that initial plumage color can be used for sex identification.

This literature review reports that mutations in the SASH1 gene are linked to different pigmentation disorders, including dyschromatosis universalis hereditaria and lentiginosis. It further suggests SASH1's significant role in melanocyte processes and its potential as a target for developing treatments for these conditions.

This study found that differences in skin transcriptomes between juvenile and adult mink, as well as between black and white mink, suggest genes regulating hair color are active during early development rather than adulthood.

This study suggests that activating AMPK to phosphorylate ZDHHC13 may enhance MC1R function and reduce melanoma risk in individuals with red hair.

This study found that, despite confirming MC1R expression and functional cAMP signalling, α-MSH treatment did not alleviate UVA-induced stress in adult dermal fibroblasts, suggesting that α-MSH-MC1R may not directly protect against UVA-induced photoaging in these cells.

In this case study, researchers documented a Chinese boy with hair color changing to red and identified MC1R genetic mutations as the cause, rather than zinc deficiency, enhancing our understanding of hair heterochromia due to genetic factors.

This study found that systemic administration of NDP-MSH, a melanocortin receptor agonist, provided neuroprotective effects on dopaminergic nigrostriatal neurons in a mouse model of Parkinson's disease, reducing neuroinflammation and suggesting a role for regulatory T cells in these neuroprotective effects.

This study suggests that αMSH may play a regulatory role in human dermal papilla cells, potentially influencing immune and inflammatory responses in hair follicles, which could contribute to inflammatory alopecia.

This review discusses the interactions between melanocyte stem cells and their niche in hair regeneration and repair, but reports no new results; recent studies on molecular pathways are highlighted.

This study by Pérez-Oliva et al. explored how Mahogunin Ring Finger-1 (MGRN1) affects melanocortin-1 receptor (MC1R) signaling, suggesting that MGRN1 competitively inhibits Gαs binding to MC1R, influencing pigment production.

This study found that Sox2 within dermal papilla cells in the hair follicle regulates hair pigmentation, influencing the type and production of melanin.

This study found that facial sun damage scores from UV photography correlate with skin cancer and melanoma risk factors, suggesting this technology may help identify individuals at higher risk.

This study found that the ACTH/MC2R system is important for hair cycle regulation, with deficiencies in MC2R leading to altered hair growth phases in mice.

This review discusses melanocytes' role in pigmentation, their clinical significance in conditions like vitiligo and hair graying, and highlights current research on hair follicle regeneration without reporting new clinical results.

This review discusses the factors influencing human hair color, including genetic components like the MC1R gene and enzyme activity, without presenting new experimental results.

Alpha-MSH affects mitochondrial function, and MC1R mutations may increase skin aging.

The researchers reported that SOX4 expression is significantly upregulated in melanoma and its knockdown in cell lines resulted in reduced tumor progression, suggesting potential for targeted therapies.

This study suggests that the phenotype of melasma in women is influenced by structural and cellular changes across the epidermal-melanin unit, not just melanocyte hypertrophy, highlighting potential roles for dermal damage repair and fibroblast senescence.

Finasteride reduces melanin production in skin cells.

This review discusses the factors influencing human hair color, including genetic components and enzymatic activity, and highlights the forensic significance of hair color analysis, but reports no new findings.