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This study found that 1,25-dihydroxyvitamin D3/VDR inhibits β-catenin's role in keratinocyte proliferation but enhances its role in hair follicle differentiation.

This study found that individuals with alopecia areata had significantly lower serum vitamin D levels and a higher prevalence of vitamin D deficiency compared to people without the condition.

This review discusses the various roles of vitamin D in skin disorders, including established use in psoriasis and potential applications for atopic dermatitis and skin cancer prevention, but reports no new clinical results.

This review discusses the clinical characteristics, causative factors, and treatment options for vitiligo and reports no new research findings.

In this review, researchers explored the roles of vitamins A, B3, C, D, and E in skin immunity, highlighting their potential as therapeutics for skin diseases due to their antioxidant, anti-inflammatory, and antimicrobial properties.

This study found no protective effect of topical calcipotriol on hair loss in chemotherapy patients, and the authors propose the term "atrophic telogen effluvium" for this type of hair loss.

This study found that a specific VDR amino acid substitution in children with hereditary vitamin D-resistant rickets disrupts ligand binding and gene activation but does not impair hair follicle development.

In this study, researchers identified a unique Arg30stop mutation in the vitamin D receptor gene that causes hereditary vitamin D-resistant rickets in a young French-Canadian boy by truncating the receptor and causing hormone resistance.

This review discusses the complication of vitiligo in patients undergoing diphencyprone sensitization therapy for alopecia universalis and reports no new clinical findings.

This study found that the vitamin D receptor is essential for the self-renewal, migration, and differentiation of epidermal stem cells during skin wound healing in mice.

Vitiligo is not linked to coeliac disease, but a small number of alopecia areata patients may have it, suggesting they should be tested for coeliac disease.

This review discusses the multifaceted role of vitamin D in the body, noting its influence on calcium balance, hair cycle maintenance, cell proliferation, cardiovascular function, and immune modulation, with no new clinical results reported.

This study found that vitamin A dissolved in alcohol penetrates skin quickly and does not impair hair growth, even in large doses, but it does not retard keratinization unlike when dissolved in fatty acids.

In this study, a specific retinoic acid receptor antagonist caused severe craniofacial anomalies in mouse fetuses when administered early in pregnancy, but not limb anomalies, highlighting developmental stage-specific roles of retinoic acid.

This study found that male germ-free rats fed semisynthetic diets do not grow as rapidly as their conventional counterparts and require dietary biotin for normal metabolism and folic acid biosynthesis.

This study found that vitamin C increased the survival, proliferation, and hair-regenerative potential of adipose-derived stem cells through the MAPK pathway and enhanced hair growth in mice.

This study found that while extracellular matrix components like hyaluronic acid promoted larger organoid formation, other matrix components hindered hair follicle germ assembly in an in vitro model.

This study found that most pathogenic HR mutants associated with atrichia with papular lesions had abolished corepressor activity due to defective interactions with histone deacetylases.

This study found that oral administration of l-cystine with vitamin B6 effectively prevents environmental cigarette smoke-induced alopecia in mice by reducing hair bulb cell apoptosis.

This study found that noncultured epidermal cell transplantation is promising for treating stable vitiligo, achieving significant repigmentation and patient satisfaction based on objective and subjective evaluations.

This study found that melatonin-loaded vitamin C-based nanovesicles improved hair thickness, density, and reduced hair loss in patients with androgenic alopecia more effectively than melatonin solution.

In this study, synthetic vitamin D3 analogs stimulated hair growth and formation of normal hair follicles in nude mice, unlike the natural form 1,25 dihydroxyvitamin D3.

This study observed that high-dose retinol palmitate was well-tolerated in resected stage I lung cancer patients, though it raised concerns about potential impacts on lipid metabolism due to elevated gamma-GT levels and triglycerides.

This study found that human keratinocytes' sensitivity and response to vitamin D3 analogues vary based on cell density, serum availability, and calcium concentration.

This study discusses the potential association between low vitamin D levels and insulin resistance, suggesting that vitamin D deficiency may contribute to disorders like obesity and diabetes, but emphasizes the need for further research to confirm these links.

This study found that patients with alopecia areata had significant systemic inflammation and vitamin D deficiency, with both conditions more pronounced as disease severity increased.

This article discusses the potential of oral tofacitinib as a treatment for atopic dermatitis, alopecia areata, and vitiligo, without presenting new clinical results.

This study found that in a mouse model with hereditary 1,25-dihydroxyvitamin D resistant rickets, a mutant vitamin D receptor lacking hormone-binding ability could restore normal hair cycling and affect parathyroid hormone regulation.

This study reported a case of hereditary vitamin D–resistant rickets caused by a single heterozygous missense mutation in the VDR gene, showing dominant-negative effects and reduced response to 1,25-dihydroxyvitamin D3.

This study discovered a novel interaction between the vitamin D receptor and LEF1, essential for normal Wnt signaling in keratinocytes, which is crucial for regular hair cycling.