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This study emphasizes the importance of educating the elderly on vitamin D's role in hair health, recommending dietary and lifestyle interventions, including vitamin D supplementation, to address hair quality issues such as loss and brittleness.

This review reports that vitamin D plays an important role in hair follicle development, with a negative correlation observed between serum vitamin D levels and female pattern hair loss, suggesting further research is needed before recommending vitamin D as a treatment.

This review highlights that vitamin D is increasingly recognized for its roles in skin health, including treatment of psoriasis, potential applications in conditions like atopic dermatitis, and possible prevention of skin malignancies, as observed in various studies linking low levels to autoimmune skin diseases.

This study found that patients with non-scarring alopecia, such as androgenetic alopecia and female pattern hair loss, have lower serum levels of 25-hydroxyvitamin D and a higher incidence of vitamin D deficiency compared to healthy controls.

In this study, researchers found a significant relationship between mid-luteal progesterone levels and 25-hydroxy vitamin D levels in infertile patients, suggesting that about 20 ng/mL of vitamin D may be necessary to trigger ovulation or support progesterone secretion.

This study found that patients with alopecia areata who have low vitamin D levels and high CRP levels are more likely to develop the universalis form of the condition, indicating a need for more aggressive treatment in these cases.

This study found that a single high dose of oral vitamin D reduced UV-induced skin erythema and inflammation in humans by enhancing autophagy, suggesting new clinical avenues for skin repair.

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.

This study found that vitamin D regulation plays a crucial role in connecting metabolic and cardiovascular conditions, influencing gene expression related to these disorders in both kidney and heart tissues.

This review discusses 46,XY disorders of sex development caused by defects in androgen production and highlights the need for long-term care from experienced multidisciplinary teams, but it reports no new clinical findings.

This case report discusses the diagnostic challenges and management options for three siblings with 46, XY DSD due to type 2 5-α reductase deficiency, highlighting the genetic basis and impact on their quality of life.

In this study, the researchers found that the water-soluble fraction of Rhus semialata gall extract and its component Penta-O-Galloyl-β-D-Glucose promoted hair growth in human dermal papilla cells, and clinical trials supported these findings, showing improved hair density and appearance compared to placebo.

This article reviews differential diagnosis approaches for 46,XY DSD, proposing a diagnostic algorithm focused on biochemical and genetic data, without presenting new clinical results.

This article reviews evidence suggesting that vitamin D may help manage Hashimoto’s thyroiditis by affecting immune pathways and improving thyroid function, though more research is needed to fully understand its therapeutic potential.

This study found that methyl jasmonate can induce tanshinone biosynthesis in S. miltiorrhiza by affecting the expression of the SmMEC gene, as supported by RT-PCR and transcriptomic data.

This study found that a nutritional intervention in dogs can alleviate atopic dermatitis symptoms by modulating immune responses and altering skin microbiome composition, which includes reducing fungal diversity and the abundance of pathogenic species such as Malassezia pachydermatis.

This article discusses the history and understanding of Tay syndrome, recognizing it as a distinct condition related to ichthyotic erythroderma, mental retardation, and brittle hair but reports no new clinical results.

This study found that rural residents in the Erbil Governorate of Iraq had significantly higher vitamin D levels compared to urban residents, despite widespread awareness but limited preventive actions regarding vitamin D deficiency.

This study found that adding vitamin D supplementation to metformin therapy led to a greater reduction in HbA1c levels compared to metformin alone in patients with type 2 diabetes, suggesting an enhanced improvement in glycemic control.

This study found that hair follicle-derived mesenchymal stem cells can alleviate pyroptosis and improve ulcerative colitis symptoms in mice, suggesting potential new treatments for the condition.

In this study, researchers found that minoxidil is compatible with excipients such as Beta-cyclodextrin and cellulose, while it is incompatible with Eudragit S 100 and mannitol, indicating potential formulation challenges in pharmaceutical applications.

In a study on mice, cow placenta extract showed strong antioxidant activities and reduced collagen damage, suggesting it could help delay skin aging caused by D-galactose.

This systematic review found that hair loss was more frequently observed in acne patients on isotretinoin doses ≥0.5 mg/kg/d compared to those on lower doses, suggesting dose-dependent effects.

This study explored a multidimensional approach to examine body hairs' physico-chemical properties, potentially supporting their use over scalp hairs in forensic and intoxication studies.

This study found that adult trichotillomania is a chronic disorder often linked with high psychiatric comorbidity and suggests the tension-reduction criterion in diagnoses might be too restrictive.

This study found that dermal papilla and peribulbar dermal sheath cup cells in mice can both induce hair follicle formation, suggesting they may have similar functional roles in hair growth.

This review discusses the development and advances in studying trichogenic dermal cells for hair follicle morphogenesis, summarizing methods, bioassays, and molecular markers, but reports no new research findings.

This study found that overexpressing Dsg3 in the suprabasal epidermis of transgenic mice resulted in flaking skin and abnormal hair growth, supporting Dsg3's role in regulating epidermal differentiation.

This study demonstrated that murine monoclonal antibodies can reveal specific patterns of desmosomal cadherin expression, Dsc1 and Dsc3, in human tissues and cultured cells using immunofluorescence microscopy.

Mutations in the DSG4 gene cause specific hair and scalp issues.