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Vitamin D receptor is crucial for hair growth, not vitamin D itself.

This review discusses the involvement of vitamin D and its receptor in hair health, focusing on different types of alopecia, but reports no new clinical results; evidence remains inconsistent.

This case study describes a 5-year-old boy with vitamin D dependent rickets type 2, motor delays, and alopecia totalis who showed improved biochemical parameters with calcium and calcitriol treatment.

This study suggests that while VDR is crucial for maintaining hair follicles in mice, their degeneration may be linked to impaired cell migration during hair growth phases rather than stem cell loss.

This study observed that vitamin D receptor knockout mice exhibit impaired epidermal differentiation and progressive hair loss, suggesting the importance of the vitamin D receptor in normal skin and hair follicle development.

This study found that intralesional vitamin D3 injections significantly increased serum vitamin D3 levels in patients with localized alopecia areata, although baseline vitamin D3 levels did not predict disease severity or treatment response.

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.

This study found that Cannabidivarin (CBDV) promotes neuronal differentiation and inhibits oligodendrocyte maturation via TRPV1 modulation, highlighting its potential in neural stem cell research.

USB videodermatoscopes are a practical and affordable alternative for diagnosing skin conditions.

This review explores the biological functions of vitamin D, highlighting how deficiency may increase the risk of various diseases, but reports no new clinical results.

This study observed that serum Vitamin D3 levels were low among South Indian students with diffuse hair fall, highlighting global hypovitaminosis D as a concern and suggesting possible dietary or sunlight exposure influences.

This study indicated a correlation between female pattern hair loss and decreased serum levels of Vitamin D3, suggesting that Vitamin D3 evaluation may be important in managing this condition.

This study suggests that there is a U-shaped relationship between vitamin D hormonal forms and aging, with an optimal serum calcidiol concentration needed to minimize aging-related chronic disease risk.

This study found that intravenous high dose calcium infusions followed by high dose oral calcium effectively treated vitamin D dependent rickets type II, leading to complete biochemical and radiological healing and improved growth in two patients.

The testes significantly contribute to vitamin D metabolism and may affect male reproductive health and conditions like hair loss.

Loss of Dsc3 function in the epidermis impaired cell adhesion, leading to blistering and hair loss, which suggests a potential cause of PV-like skin diseases according to this study.

This study found no significant difference in the persistence of new symptoms or quality of life improvements with 200,000 IU of vitamin D3 compared to placebo in patients post-COVID-19 hospitalization.

This study observed that knocking out the 1α-hydroxylase gene in mice resulted in rickets and growth retardation, demonstrating the enzyme's crucial role in vitamin D function in animals.

This review explores the diverse physiological roles of the vitamin D endocrine system, discussing current research on receptor structure, transcription details, murine models, and alternative receptors, but reports no new findings.

In this study, researchers identified and examined males with 17 beta-HSD3 deficiency in a highly inbred Arab population, noting genetic findings and the progression of male characteristics despite being raised as females initially.

This article discusses various causes of rickets in children and describes VDDR-2A as a type of refractory rickets often linked to alopecia totalis in infancy, but reports no new clinical findings.

This study suggests that lower serum and tissue vitamin D receptor levels in alopecia areata and androgenetic alopecia patients may play a role in the pathogenesis of these hair diseases.

This case report observed that while a 4-year-old boy with vitamin D-dependent rickets type II showed biochemical and bone improvement after vitamin D and calcium treatment, his alopecia did not improve.

This study observed that Egyptian patients with discoid lupus erythematosus have significantly lower serum vitamin D3 and antioxidant levels compared to healthy controls, suggesting potential benefits of vitamin D3 and antioxidant supplementation.

This review discusses the regulation and function of vitamin D and its receptor in skin cells, highlighting their roles in processes such as proliferation inhibition, differentiation, and innate immunity, but reports no new results.

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 reports that the DMI3 gene, essential for nodule formation in legume-rhizobial symbiosis, encodes a calcium/calmodulin-dependent protein kinase, highlighting its role in multiple plant symbioses.

This study explored using 3D models derived from reflectance confocal microscopy to better understand and differentiate melanoma on sun-damaged skin, suggesting enhanced diagnostic possibilities.

This study introduced the Vitamin Deficiency Detection System, which helps users identify potential vitamin deficiencies by analyzing symptoms they select on a user-friendly interface.