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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 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.

In this study, adrenalectomy in black rats on a vitamin B-deficient diet restored hair growth and melanin deposition, effects reversed using adrenal cortical hormones.

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.

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.

In this study, researchers observed that dietary vitamin D intake and light exposure play a crucial role in vitamin D metabolism in mice, suggesting similar importance for human health in maintaining optimal vitamin D levels.

This article reviews the potential role of vitamin D supplementation as an adjunct to alemtuzumab therapy in multiple sclerosis management, noting its possible benefits for autoimmune comorbidities and patient adherence, but reports no new clinical results.

This study observed that 25-hydroxyvitamin D3 restored rickets symptoms in genetically modified rats, suggesting its direct action through vitamin D receptor pathways.

This article reviews the influence of vitamin D on various dermatological diseases and suggests that vitamin D supplementation might aid in maintaining skin cell homeostasis; it reports no new clinical results.

This review summarizes the proposed model that describes how different shapes of 1alpha,25(OH)2D3 ligands interact with the vitamin D receptor to mediate genomic and rapid responses in cells.

In this study, serum vitamin A levels were found to be lower in patients with alopecia areata compared to controls; however, the difference was not statistically significant, possibly due to the mild disease severity among participants.

In this study of patients with alopecia areata, researchers found that although serum vitamin A levels were lower compared to controls, the difference was not statistically significant. However, stress levels were significantly higher in the alopecia areata group.

The study concluded that a dietary vitamin A level of 10,000 IU/kg optimally supports growth performance, fur quality, and antioxidant function in growing Rex rabbits.

This study observed that the vitamin D receptor is crucial for hair follicle formation and altering tumor development in the Wnt signaling pathway, suggesting therapeutic potential for vitamin D analogues in related tumors.

This study found that restoring vitamin D receptor expression specifically in the keratinocytes of VDR null mice prevented alopecia and enhanced hair follicle response during anagen initiation.

Lack of vitamin D receptor increases skin tumor risk by boosting hedgehog signaling.

This study found that restoring vitamin D receptor expression in keratinocytes of VDR null mice prevents alopecia by enhancing the hair follicle's proliferative response during anagen initiation.

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 iron deficiency anemia is a key factor in the development of telogen effluvium, and higher 25-hydroxyvitamin D3 levels in TE patients may be linked to increased UV exposure.

This article recommends assessing serum ferritin and vitamin D levels in patients with diffuse hair loss before starting treatment, but it reports no new clinical results.

This study found that non-infectious skin conditions in sheep were associated with oxidative stress and changes in trace elements, vitamin A, and immunoglobulin levels.

This study found that six-month supplementation with fish-derived collagen peptides, calcium, and vitamin D3 improved skin hydration and elasticity and reduced hair loss in menopausal women, with collagen playing a dominant role in enhancing skin elasticity.

This study found that individuals with Telogen Effluvium had significantly lower levels of vitamin D compared to healthy individuals, with a particularly negative correlation observed between disease duration and vitamin D levels in affected patients.

This study showed that vitamin D receptor gene-deficient rats exhibit hair loss and skin abnormalities due to differences in gene and protein expression patterns, while ligand-independent VDR action is crucial for normal hair cycle maintenance and skin formation.

This study found that low ferritin levels are associated with higher telogen ratios in women with diffuse hair loss, suggesting an important role of ferritin in telogen effluvium diagnosis.

This study found that women experiencing hair loss after recovering from COVID-19 had significantly lower Vitamin D and ferritin levels and higher testosterone and triglyceride levels compared to those without hair loss, indicating a potential link between these factors and the condition.

Oral Vitamin D can improve hair density and reduce hair loss in Telogen Effluvium patients.

This study found that there was a significant discrepancy between histopathological examination and clinical diagnosis in alopecia cases, while vitamin D levels were not significantly associated with alopecia.

This study found that patients with telogen effluvium had significantly lower serum ferritin levels compared to healthy controls, suggesting a relationship between telogen effluvium and decreased iron stores.

This study suggests that lithocholic acid may enhance hair regeneration in alopecia by activating vitamin D receptors in human dermal papilla cells.