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This study observed that deleting ARNT in keratinocytes of mice reduced zigzag hair production and altered hair follicle differentiation, likely by affecting the expression of specific cyclin-dependent kinase inhibitors.

This study found that follistatin and activin interactions are important for hair follicle development and cycling in mice, suggesting that they may regulate processes involving BMP-2 and its antagonist.

This study found that GPC1 is a crucial regulator of angiogenesis in human dermal microvascular endothelial cells, indicating its potential as a target for treating alopecia.

This study found that regio-specific hydroxylation of cyclosporine A in Sebekia benihana is mediated by the cytochrome P450 hydroxylase CYP-sb21, suggesting potential biotechnological applications for hair growth promotion without immunosuppressive effects.

This study found that the combination of topical minoxidil and oral biotin significantly increased hair growth speed and density in healthy men, while neither intervention alone had a significant effect.

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 paper reviews different types of hair shaft dysplasias and does not report any new clinical findings.

This study demonstrates that keratinocyte cell lines derived from cultured hair follicles can fully differentiate in organotypic skin models, offering a minimally invasive alternative to obtaining keratinocytes for research.

This case report describes a 34-year-old woman who, after Roux-en-Y gastric bypass surgery, experienced improvements in symptoms of dizziness and energy following treatment with oral ferrous sulfate for iron deficiency.

In this case study, an 8-day-old neonate with holocarboxylase synthetase deficiency showed dramatic improvement in lactic acidosis and overall clinical condition following biotin mega-dose therapy, highlighting the importance of early genetic testing and timely treatment in such metabolic disorders.

Biotin deficiency in monkeys causes fur and skin issues, but 20 μg of biotin daily can prevent or cure it.

This report describes a rare case of papular atrichia in a 4-year-old girl, highlighting the absence of effective treatment to stimulate hair growth for this condition.

In this study, the authors reported that taking 20 mg or more of biotin can interfere with thyroid function tests, potentially leading to false diagnoses of conditions like Grave's disease.

This study demonstrated that a 1-step, peroxidase-labeled conjugated antibody method provides more accurate immunoreactivity patterns in hair follicle substructures compared to the 2-step LSAB method, which may cause false-positive staining in sebaceous glands.

This article reviews various causes of diffuse hair loss, highlighting the importance of identifying triggers through thorough examination for effective treatment and emphasizing patient education in management; it reports no new clinical findings.

This article addresses the need to screen for nutrient deficiencies in patients with hair loss but reports no new findings, noting that supplementation without deficiency may not be beneficial and could pose risks.

This study found that 38% of women with hair loss had a biotin deficiency, suggesting oral biotin supplementation should be based on confirmed biotin deficiency rather than as a general treatment.

This study found that human keratinocytes express a sodium-dependent multivitamin transporter for biotin, pantothenic acid, and lipoic acid, including a highly specific biotin transport component.

This study found that sulforaphane may help alleviate hair loss by increasing hair count after 18 weeks of use and enhancing the expression of a DHT-degrading enzyme in cellular models.

In this study, a polyphenol and biotin supplement improved skin roughness and significantly reduced hair shedding, but did not demonstrate clear superiority over placebo in overall skin outcomes.

In this clinical trial, the researchers observed that a biotin and silica supplement reduced hair fall, increased hair growth rate, and improved skin elasticity, hydration, and nail quality over 90 days without adverse effects.

In this study, researchers using a UVB-induced mouse model identified the gene COL7A1 as a novel marker for hair luster, finding that minoxidil, caffeine, and biotin effectively restored its expression, indicating potential therapeutic strategies.

This review discusses various Complementary and Alternative Medicine methods for hair care, such as herbal remedies and hair regeneration techniques, but reports no new clinical findings.

In this study, researchers found that biotin levels increase with age but not gender, and there is a notable negative relationship between biotin levels and triglyceride levels, suggesting biotin should be checked in patients with high triglyceride levels.

This narrative review describes the components of human hair and their nutritional importance but reports no clinical results; the authors suggest dietary sulfur amino acids are essential for hair health.

This review discusses treatment options for female pattern hair loss, emphasizing the importance of early intervention and the benefits of combined therapies, but reports no new clinical results.

This case report describes a 5-month-old Japanese infant with biotin deficiency, where daily oral biotin supplementation led to significant improvements in skin conditions and hair growth.

This article reviews alopecia areata incognita, a rare condition mostly seen in young women, and discusses its similarities and differences with telogen effluvium; however, it reports no new clinical findings.

This study found that among transgender and gender diverse adults, facial hair is important for gender affirmation but often causes dissatisfaction and financial strain due to inadequate insurance coverage for hair care treatments.

In this study, the derivation of certain topological indices was used to represent the molecular structure of drugs for alopecia treatment, like Minoxidil and Finasteride, which may support medication investigations, especially in resource-limited settings.