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This study found that a topical vitamin D3 analogue had an anti-proliferative effect on guinea pig skin epidermis.

This review discusses how vitamin D and calcium signaling are essential for wound healing by activating epidermal and hair follicle stem cells, noting that deficiencies may lead to delayed or chronic wounds.

This study found that vitamin D, ferritin, and zinc deficiencies are prevalent among patients with telogen effluvium in the greater Pittsburgh area, suggesting these should be included in initial evaluations.

This study found that female students experiencing diffuse hair fall had significantly lower Vitamin D3 levels compared to healthy controls.

This study found that in adults with vitiligo, certain autoimmune diseases are associated with factors like age, sex, and extent of vitiligo, suggesting tailored screening strategies based on these variables.

This study observed that white hair follicles in vitiligo patients may repigment following epithelial grafting and phototherapy, suggesting potential cosmetic improvements in vitiligo treatment.

In this study, dogs with sebaceous adenitis were treated with oral vitamin A, but responses varied widely, showing improvements in some cases while others experienced no benefit.

This study found that vitamin D receptor expression is associated with proliferating keratinocytes, while retinoid X receptor α is linked to differentiating keratinocytes, suggesting differential targeting by vitamin D metabolites.

This article summarizes the essential roles and effects of deficiencies of both fat-soluble and water-soluble vitamins, noting issues ranging from blindness due to vitamin A deficiency to scurvy caused by a lack of vitamin C.

This review discusses new research on the role of retinoids in skin and hair health and reports no clinical results.

This study's simulations revealed the complex "onion-like" organization of a lipid nanoemulsion droplet containing vitamins A and E for skin delivery, showing distinct concentration patterns of these vitamins within different layers of the nanodroplet.

This review discusses vitamin D's role in hair follicle biology and its association with hair loss but reports no conclusive evidence for its effectiveness as a treatment, indicating the need for further studies.

This review discusses the JAK/STAT signaling pathway's role in immune-mediated skin diseases and examines the efficacy and safety of JAK inhibitors for treating vitiligo and alopecia areata, but reports no new clinical results.

This review examines the potential roles of vitamin D in the pathogenesis of alopecia areata and suggests that vitamin D analogs like calcipotriol may have therapeutic potential.

This study found that patients with vitiligo commonly had facial involvement and associated autoimmune thyroid disease, highlighting the importance of monitoring thyroid antibodies and regular follow-up.

This study found that a combined pattern of repigmentation was most commonly observed in vitiligo, with a new 'medium spotted' pattern proposed for areas with few hair follicles.

This study reports a rare case of an 8-year-old boy with both alopecia areata and vitiligo coexisting within the same lesion on his scalp.

This article presents a case report of a child with coexisting alopecia areata and vitiligo showing improvement with topical prostaglandin E2 treatment, without reporting new clinical results.

This review discusses the role of vitamin D metabolism in skin immunity and wound healing but does not present new results, highlighting the need for further research into its therapeutic applications.

A woman developed white patches on her skin and curly hair after hepatitis C treatment, likely due to the medication interferon alpha.

This study indicates that vitamin D3 administration may protect rat hair follicles from radiation-induced damage, as evidenced by maintained follicle numbers and increased Vitamin D receptor activity in treated skin.

This review discusses the potential role of vitamin D deficiency in cardiovascular and renal diseases and suggests that supplemental vitamin D could benefit cardiovascular outcomes, especially in African American and postmenopausal women; it reports no new clinical findings.

This review discusses vitamin D and calcium signaling roles in epidermal stem cell processes essential for wound healing but reports no new experimental results, emphasizing their potential interdependent regulatory mechanisms.

This case report observed that pulmonary arterial hypertension in a man with severe vitamin C deficiency resolved after vitamin C supplementation, suggesting a potential role of vitamin C in managing this condition.

This review discusses the relationship between vitamin D and various skin diseases, highlighting recent findings on its role and the importance of assessing and correcting vitamin D levels, but reports no new clinical results.

This study found that 64.8% of patients with different types of alopecia had vitamin D deficiency, and those with lichen planopilaris and telogen effluvium had higher odds of severe deficiency compared to patients with alopecia areata.

This study found that patients with alopecia areata had significantly lower serum levels of 25-hydroxy vitamin D compared to control subjects.

In this study, researchers observed that the absence of the vitamin D receptor or its ligand-activated transcription in mice did not affect glucose homeostasis or gene expression in islets.

This study found that the vitamin D receptor, but not its ligand, regulates genes involved in hair cycle progression, suggesting a role in integrating hormone signaling pathways for hair and epidermal functions.

Alopecia areata and vitiligo can coexist, respond well to treatment, and may have a better prognosis together.