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This study found that thymus transplantation in athymic mice resulted in T-cell-driven hair follicle depigmentation and loss, without multiorgan autoimmune disease, highlighting mechanisms of tissue-specific tolerance.

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 review discusses Becker's Melanosis and Hypertrichosis in young males, summarizing cases observed in Melbourne with clinical and histological analyses, but reports no new clinical findings.

This case report describes reversible hypopigmentation of hair in a child due to vitamin B12 deficiency, which improved after vitamin B12 supplementation.

This study suggests that chronic stress can lead to decreased skin pigmentation in mice by disrupting the skin's HPA axis, potentially making stress a risk factor for depigmentation.

This chapter discusses genetic polymorphisms related to phenotypes that differentiate between populations and reports no new results; it highlights the role of DNA technology in understanding human adaptation history.

This article discusses the characteristics of lichen planus pigmentosus and frontal fibrosing alopecia but reports no new clinical findings; the authors review existing knowledge.

This report summarizes recent cases of the rare condition erythromelanosis follicularis faciei et colli to illustrate its varied clinical presentations.

This study observed that overexpression of Bcl-2 in certain transgenic mice accelerates catagen progression and increases hair follicle apoptosis and alopecia, while Bcl-2 deficient mice show delayed hair growth and pigmentation changes.

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 the distribution of carbohydrates and proteins in porcine hair follicles and sebaceous glands showed minor differences compared to humans.

This review suggests that skin may largely protect itself from CYP-generated reactive metabolites due to higher conjugating enzyme activities, while highlighting limitations in modeling human skin metabolism experimentally.

This study suggests that newly developed micro-pigment-encapsulated biodegradable microneedles accurately implant pigments in pig cadaver skin, potentially advancing scalp micro-pigmentation methods.

In this study, full-thickness wounding on Lanyu pigs led to scar formation and disrupted cell markers, while partial-thickness wounding allowed limited regeneration of rete ridges and papillary dermis.

This review highlights the potential of combining immune regulation, phototherapy, and dietary strategies for effective vitiligo treatment, but emphasizes that more research is needed.

This study reported that knocking out the HR gene in pigs using CRISPR/Cas9 led to hairless eyelids and abnormalities in the thymus and peripheral blood, suggesting pigs as a model for human HR-related hair disorders.

This study suggests that local skin inflammation may enhance the deposition of autoantibodies in the skin, potentially affecting the severity of pemphigus lesions in mice.

This letter to the editor discusses the natural course of epidermolysis bullosa simplex with mottled pigmentation in a Japanese family but does not present new clinical results.

This study found that human iPSC-derived melanocytes from vitiligo patients successfully integrated into mouse hair follicles and epidermis, demonstrating potential for personalized therapy for depigmentation.

This study found that melanin granules in black human hair are key dyeing regions for oxidative hair coloring, as confirmed by nanoscale mass spectrometry analysis detecting deuterium ions.

This article reviews the evolution of syndactyly repair techniques, highlighting a shift towards graftless approaches to avoid complications associated with skin grafts, but reports no new clinical outcomes.

This study suggests PPAR isotypes play distinct roles in skin, influencing epidermal barrier formation, sebocyte differentiation, and lipid production, with potential implications for treating skin disorders.

This study found that certain T cell-associated genes were upregulated in dogs with Vogt-Koyanagi-Harada syndrome and vitiligo, suggesting a shared immunopathogenesis with humans.

Blocking the JAK/STAT pathway may help reduce skin sensitivity in Xeroderma pigmentosum.

Clotrimazole, an antifungal cream, may safely reduce skin pigmentation by breaking down the enzyme needed for making melanin.

This study identified a novel SCF mRNA splice variant in white merino sheep skin, which may play a role in hair follicle melanogenesis.

This report covers the diagnosis and treatment of equine pemphigus foliaceus presented by a case study of a Hackney pony mare, showing improvement with prednisolone treatment.

Secreted inhibitors of Wnt and IGF signaling control hair and tooth development, creating species-specific patterns.

This case report presents the first documented instance in India of cutaneous amyloidosis causing pigmented papules on the ear pinna, with lesions resolving after treatment with topical tretinoin.

This study demonstrated that LGR5 is a marker of hair follicle stem cells across species using a transgenic pig model and noted similarities and differences in expression patterns compared to humans.