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This study found that the vitamin D receptor, but not its ligand, regulates genes involved in hair cycle progression, suggesting a role in integrating hormone signaling pathways for hair and epidermal functions.

This review discusses the potential role of vitamin D deficiency in cardiovascular and renal diseases and suggests that supplemental vitamin D could benefit cardiovascular outcomes, especially in African American and postmenopausal women; it reports no new clinical findings.

This study examines how the Severity of Alopecia Tool score was used to assess Alopecia Areata in patients while excluding systemic conditions that might affect vitamin D levels, but reports no new clinical results.

This study found that iron deficiency anemia is a key factor in the development of telogen effluvium, and higher 25-hydroxyvitamin D3 levels in TE patients may be linked to increased UV exposure.

This study found that DECORIN promotes the proliferation and migration of outer root sheath keratinocytes in vitro and maintains the hair anagen phase in mice.

This study found no significant association between vitamin D levels and alopecia areata in patients when gender was accounted for, but vitamin D levels were lower in patients with nail involvement.

In this study, autophagy was commonly observed during keratinization in neonate rat hair follicles, suggesting lysosomal proteases and cytoplasmic enzymes may coordinate in hair follicle cell differentiation.

This article describes the immunofluorescence tomography method to achieve high-resolution 3-D reconstruction of epithelial tissues and reports no clinical results.

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.

In this study, norgalanthamine was found to stimulate hair growth in cultured rat dermal papilla cells by activating the ERK 1/2, PI3K/AKT, and Wnt/β-catenin signaling pathways.

This study reported that ELL is crucial for maintaining the proliferative capacity of the basal layer in human epidermal keratinocytes by stabilizing RNA polymerase II at the transcription start site.

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 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, researchers found that pregnant mice exposed to excessive androgen led to thinner ventricular walls and cardiac hypertrophy in offspring, suggesting that prenatal androgen exposure adversely affects cardiac health through reduced cardiomyocyte proliferation.

This study found that Phaeodactylum tricornutum extract enhanced hair follicle cell proliferation, indicated by increased keratin and ERK1/2 signaling, suggesting its potential for hair care applications.

This study observed that patients with alopecia areata had significantly lower serum 25-hydroxyvitamin D levels than healthy controls, with a trend toward even lower levels in more severe cases.

This study found that ascorbigen increased growth of dermal papilla cells but did not significantly protect against chemotherapy-induced alopecia in a mouse model, suggesting limited effectiveness for hair regrowth in this context.

In this study, researchers observed that dietary vitamin D intake and light exposure play a crucial role in vitamin D metabolism in mice, suggesting similar importance for human health in maintaining optimal vitamin D levels.

This study found that DNA damage in obese women was linked to serum 25-hydroxyvitamin D and hair chromium levels, with higher serum vitamin D associated with less damage and higher chromium with more damage.

This article discusses the role of dermal papilla and dermal sheath cells in the hair cycle and reviews finasteride and minoxidil's mechanisms in promoting hair growth, but presents no new clinical findings.

In this study, researchers found no significant difference in vitamin D levels between psoriasis patients and controls, suggesting no association between vitamin D deficiency and psoriasis.

In this study, researchers found no significant association between VDR gene polymorphisms and the susceptibility to alopecia areata, suggesting that these genetic variations may not play a role in the disease's development.

This study found that extracts from the fungus YL161, Agaricus blazei, and the bark of Camptotheca cuminata promoted dermal papilla cell growth more effectively than pentadecanoic acid, suggesting potential for stimulating hair growth.

This systematic review found an inverse relationship between vitamin D levels and the severity, extent, and pattern of alopecia areata, suggesting vitamin D deficiency may contribute to or worsen this autoimmune hair loss condition.

This study found that Ca²⁺ signaling and peptidylarginine deiminase enzymes play a crucial role in activating neural stem cells in response to injury in zebrafish, suggesting potential therapeutic targets for CNS injuries and cancer.

In this study, Libyan patients with diffuse hair loss were found to have significantly lower levels of zinc, ferritin, and vitamin D compared to those without hair loss, suggesting a possible link between these micronutrient deficiencies and hair loss.

In this case report, researchers detailed a giant proliferating pilomatrixoma in a 36-year-old woman, emphasizing the importance of complete excision to prevent recurrence or potential malignant transformation, distinguishing it from malignancies like angiosarcoma or melanoma.

This study found that individuals with alopecia areata had significantly lower blood levels of vitamin D and slightly lower serum copper levels compared to healthy controls, suggesting the potential importance of assessing these factors in the chemical evaluation of patients with this condition.

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 case study reports a near-complete response of a proliferating trichilemmal tumor to neoadjuvant radiotherapy in a 79-year-old woman, highlighting radiotherapy's role in managing this condition when patients are unsuitable for surgery.