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In this study, significantly lower serum vitamin D levels were observed in patients with alopecia areata compared to healthy controls, with an inverse correlation between vitamin D levels and disease severity or duration.

In this study, a Chinese Han family with hereditary vitamin D-resistant rickets was found to have a homozygous missense mutation in the VDR gene, and the affected individual uniquely responded well to treatment with oral calcium and low-dose calcitriol.

In this study, researchers observed that vitamin D deficiency is common among patients with musculoskeletal pain admitted to the hospital, with particularly low levels found in females.

This study reports that vitamin A deficiency can cause dermatologic issues like alopecia and orthokeratosis in Angus calves, and affected calves improved with vitamin A supplementation.

This study identified two major antibody-binding sites on tyrosine hydroxylase in vitiligo and alopecia areata patients, suggesting that their immune response is heterogeneous and can target multiple epitopes.

This review discusses studies on hair growth and protein synthesis in hair follicles, highlighting the differing responses of mohair and cashmere goat follicles to signaling molecules, biotin, and amino acids, but contains no new results.

This study found that vitamin B6 injections over several weeks improved hair condition and reduced hair loss in some women with diffuse alopecia, while calcium pantothenate had no clear positive effect.

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 study found that a dietary change in common marmosets significantly reduced in vitro erythrocyte haemolysis, improved skin lesions, and promoted complete fur regrowth, possibly due to increased vitamin E levels.

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 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.

Alopecia areata patients have worse quality of life, anxiety, and depression than vitiligo patients.

In this study, alopecia areata and vitiligo patients had significantly lower serum BDNF and vitamin D levels, which were inversely associated with depression and quality of life, suggesting a potential combined role in the development of depression.

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 suggests that vitamin A may inhibit hair follicle stem cells during refractory telogen in a dose-dependent manner, based on retinyl ester levels and vitamin A metabolism protein localization in mice.

This study found that combining follicular unit extraction with topical calcipotriol betamethasone dipropionate showed the best repigmentation results in treating stable nonsegmental vitiligo.

This study found that oral vitamin D3 therapy significantly improved hair regrowth in women with telogen effluvium in southern Punjab, Pakistan, especially among younger women not using sunscreen but consuming milk or milk protein.

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.

This study observed that different vitiligo lesions display varying repigmentation patterns, which are associated with the extent of depigmentation, sun exposure, lesion stage, and type of therapy used.

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

Understanding repigmentation mechanisms in vitiligo can improve treatments and patient outcomes.

This case study describes a child with rickets and alopecia who responded to a small dose of 1-a-hydroxyvitamin D3, but her alopecia remained unchanged despite treatment.

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.

This study investigated pyranoanthocyanin Vitisin A and found it significantly lowered triglyceride levels and reduced body weight in high-fat diet-fed mice, outperforming Cyanidin-3-O-glucoside by inhibiting hepatic lipogenesis and enhancing fatty acid β-oxidation.

This review examines the use of computer vision techniques, specifically deep learning architectures and image processing algorithms, for detecting and assessing skin conditions like vitiligo and dermatitis, and highlights the need for disease-specific datasets to improve automated diagnostic tools in dermatology.

This study found that KLB and EIF3C are important in the progression of vitiligo and AA, suggesting they could be biomarkers and early diagnostic targets.

This study found that fractional Er:YAG laser combined with platelet-rich plasma resulted in greater skin repigmentation in patients with localized stable vitiligo compared to microneedling with platelet-rich plasma, with fewer side effects reported in the laser group.

This review discusses the potential of advanced therapy medicinal products for treating vitiligo, highlighting promising results but noting affordability remains a challenge; no new clinical results were reported.

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.