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This study found that lower expression of VDR protein in breast cancer patients is associated with increased bone metastasis and poorer prognosis, making it a significant prognostic factor.

This study found that patients with alopecia areata had significantly lower serum vitamin D levels and higher odds of vitamin D deficiency, but no significant difference in serum calcium levels, compared to controls.

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.

In this study, eight patients with hereditary vitamin D-resistant rickets who share a specific VDR mutation showed improved clinical symptoms except alopecia after up to 11 years of treatment.

This study found that a novel R343H mutation in the vitamin D receptor gene impairs its transcription activity, contributing to hereditary vitamin D-resistant rickets and alopecia in the affected family.

This case series describes three siblings with hereditary vitamin D-resistant rickets, highlighting variations in their clinical presentations.

This study suggests that vitamin D treatment may be less effective in reducing thyroid autoimmunity for euthyroid men with early-onset androgenic alopecia compared to other men with autoimmune thyroiditis.

This case report found that vitamin D3 supplementation may improve hair growth and reduce hair-pulling behavior in patients with trichotillomania, as observed in two female patients over 3 to 4 months.

This study found that vitamin D deficiency was significantly more common in alopecia areata patients than in healthy controls and was inversely correlated with disease severity.

This study found no significant correlation between vitamin D levels and disease severity in alopecia areata patients, highlighting the need for further research on vitamin D supplementation's effects.

This study described the clinical and genetic features of two Iranian siblings with hereditary vitamin D resistant rickets, identifying a specific VDR gene mutation contributing to their symptoms.

In their mouse study, Oda et al. found that removing the MED1 gene in the skin led to hair loss and changes in epidermal cell differentiation, indicating MED1's significant role in these processes.

Hairless protein helps control hair growth by regulating vitamin D receptor activity.

This article reviews Vitamin D-dependent rickets Type II with a focus on alopecia as a potential diagnostic clue for this rare disorder, reporting no new clinical findings.

In this study, only Vdr-knockout rats showed both abnormal skin formation and alopecia, which may provide insights into vitamin D receptor function and its role in the hair growth cycle.

This study found that Chinese patients with alopecia areata, female pattern hair loss, and male androgenetic alopecia had significantly lower serum vitamin D levels than healthy individuals.

This study found that obese Egyptian women with polycystic ovary syndrome had significantly lower serum 25-OH vitamin D levels compared to non-obese women with the condition.

This study found no significant association between premature hair graying and serum ferritin or vitamin D levels in young adult males at Universitas Sumatera Utara.

This study identified two distinct VDR gene mutations among Lebanese families with hereditary vitamin D-resistant rickets, noting varied treatment responses and promising outcomes despite severe phenotypes.

This case report observed that after 6 months of treatment with topical cetirizine and oral vitamin D, hair density and quality improved in three girls with congenital hypotrichosis due to ectodermal dysplasia.

Salivary vitamin D and IL-6 could help diagnose and manage non-scarring alopecia.

This study analyzed 19 articles and found that vitamin D significantly improved the hormonal profile in women with PCOS, with greater effects observed after 8-week interventions compared to 12-week ones.

This article highlights a lack of published data on vitamin D deficiency prevalence among individuals with central centrifugal cicatricial alopecia, despite its known link to other forms of hair loss.

This study observed that vitamin D therapy may help manage alopecia areata, totalis, and universalis, with promising hair regrowth in some pediatric cases, though further trials are needed.

In this study, 62.7% of patients with alopecia areata had deficient vitamin D levels, yet there was no significant link between these levels and specific alopecia areata patterns.

This study found that certain VDR gene polymorphisms are more prevalent in female pattern hair loss patients than in healthy controls, suggesting these polymorphisms may increase disease risk.

In this study, topical calcipotriol was found to be more effective than oral vitamin D for improving mild to moderate alopecia areata, with a 68% improvement rate and no correlation between serum vitamin D levels and treatment efficacy.

Using minoxidil and tretinoin on the skin, along with oral vitamin D, improved hair thickness and density in two girls with woolly hair.

This article discusses the multifactorial nature of acne, including its association with follicular hyperkeratosis, sebaceous lipids, Propionibacterium acnes, and perifollicular inflammation, but reports no new clinical findings.

In this study, the authors reported that while conventional treatment improved rickets in a boy with vitamin D-dependent rickets type II, it also resulted in unexpected improvement in his alopecia.