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In this study, female patients with Female Pattern Hair Loss were found to have significantly lower serum levels of vitamin D and ferritin, as well as lower total cholesterol and triglyceride levels, compared to healthy controls, suggesting these factors may contribute to the condition's pathogenesis.

In this study, researchers found that certain vitamin D receptor gene polymorphisms are significantly related to insulin concentration during a glucose tolerance test in young women with hyperandrogenism, but these polymorphisms did not affect bone metabolism or other biochemical parameters.

This article reviews the effects of vitamins, including A, C, D, E, and B, on animal fur, highlighting their roles in promoting healthy skin and fur condition by regulating cell renewal, metabolism, and collagen synthesis.

This review discusses inherited forms of vitamin D-dependent rickets and explains their genetic and metabolic causes but reports no new clinical findings.

This review discusses the emerging "endocrine phenotype" of COVID-19, highlighting the implications for managing diabetes, obesity, vitamin D deficiency, and other endocrine conditions in affected patients.

This study found that after topical application in rats, 1,24-dihydroxyvitamin D3 absorbed through both the stratum corneum and hair follicles, with about 30% excreted via the faeces.

This review discusses the metabolism of vitamin D in the body, highlighting its conversion to biologically active forms and involvement in calcium regulation, without presenting new clinical findings.

This paper reviews various vitamin deficiencies, including vitamin D, and highlights their potential health impacts. It does not report new research findings but discusses current recommendations and risks associated with these deficiencies.

This study found that early-onset male androgenetic alopecia is associated with abnormal lipid metabolism and lower levels of certain serum markers, which may serve as risk factors or protective factors for the condition.

This abstract discusses two types of hereditary vitamin D metabolism defects, VDDR I and VDDR II, and reports on their distinct characteristics and treatment responses, without presenting new clinical data.

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 randomized clinical trial found that vitamin D supplementation did not significantly alter anthropometric or metabolic parameters in obese, insulin-resistant, and vitamin D-deficient women with polycystic ovary syndrome, whereas metformin effectively reduced body weight, BMI, waist circumference, total body fat, and serum glucose levels.

This abstract reviews the characteristics and health risks associated with polycystic ovary syndrome and does not report new findings, highlighting the syndrome's multifactorial nature.

This review discusses lifestyle interventions to manage weight and reduce metabolic consequences in women with PCOS but reports no new clinical results, highlighting the need for more randomized studies.

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 study found that ESR1 gene polymorphisms may be linked to hormonal imbalances in young women with hyperandrogenism, potentially affecting bone mineral density indirectly.

The authors of this study concluded that higher calcium levels in hair may indicate early metabolic changes leading to osteopenia or osteoporosis in menopausal women, even before detectable by standard DEXA imaging.

This study found that calcium, magnesium, and vitamin D supplementation altered hair calcium and magnesium content in perimenopausal women, suggesting an early indicator of metabolic changes linked to skeletal mineralization.

This study observed that women with PCOS had significantly lower serum vitamin D levels, which were associated with insulin resistance and other metabolic and hormonal imbalances.

This article compares two rare genetic diseases, vitamin D-dependent rickets type 1 and type 2, focusing on their similar presentations of hypocalcemia and rickets in infancy, but reports no new clinical results.

Covers common skin issues in kids, their diagnosis, treatment, and need for specialist care.

This study highlights a rare case of vitamin D-dependent rickets type 2A caused by a heterozygous mutation in the vitamin D receptor gene, emphasizing the complexity of managing this condition with high-dose calcium and vitamin D therapy.

This chapter discusses various skin functions and structures involved in protection, immune response, and homeostasis, but it reports no new research findings.

This article does not contain an abstract, so it provides no new research findings or clinical results.

This review discusses the skin's role as a peripheral endocrine organ, highlighting its complex hormonal interactions and the endocrine functions it performs, but reports no new findings.

Vitamin D receptor mutations can cause alopecia by affecting hair growth genes.

This study suggests that dietary vitamin A may influence alopecia development and progression, but the mechanisms remain unclear, highlighting the interplay between genetics and nutrition in these hair loss conditions.

This review explores the immunological aspects of epidermal differentiation in loricrin knockout mice, offering insights into keratinization and potential intrinsic factors affecting immune function, but provides no new clinical findings.

This study found that holding abatacept infusions for four weeks or longer before elective hip or knee arthroplasty did not reduce the risk of post-operative infections or readmissions.

This review discusses various metabolic and vitamin disorders affecting hair structure, including Menkes' syndrome, arginosuccinicaciduria, and recent findings on vitamin-related alopecia, but reports no new clinical results.