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This study found that the hairless gene product (Hr) suppresses VDR-mediated gene activation by directly interacting with the vitamin D receptor, potentially affecting hair follicle function.

This review discusses the potential role of vitamins and minerals in managing non-scarring alopecia but reports no clinical results; the authors advocate for further controlled trials to explore these relationships.

This review examines complementary and alternative medicine for alopecia and finds limited support from robust clinical trials, highlighting the need for standardized studies to evaluate efficacy and safety.

This study describes a patient with hereditary vitamin D resistant rickets (HVDRR) who, despite having a truncated vitamin D receptor, did not exhibit typical hair or skin abnormalities, suggesting possible compensation via interactions with other proteins.

This study reports on the biochemical characteristics of S100A3 protein in human hair cuticle, notably finding its N-terminal methionine is acetylated and has a slightly lower isoelectric point compared to the recombinant version.

This review discusses the role of diet in managing hair loss during menopause and reports no new clinical results; it highlights the importance of nutrients like sulfur amino acids, vitamins, and minerals.

This study retrospectively analyzed 3028 patients with telogen effluvium, finding that 6.2% had iron deficiency anemia and vitamin D deficiency was common, especially in women who were more often prescribed vitamin D therapy.

This review discusses how environmental factors like lifestyle, nutrition, and vitamin deficiencies may influence autoimmune diseases such as MS, SLE, and AA, highlighting associations with vitamin D levels and dietary interventions, but notes a lack of conclusive evidence for their roles in disease pathogenesis.

This study identified 617 differentially expressed genes in cashmere goat hair follicles, which are involved in key biological processes and provide insights into hair follicle development.

This analysis examines acne vulgaris using an integrative approach, highlighting its links with psychopathology, lifestyle, and diet, but reports no new results.

This study found that a combination of oral compounds improved metabolic activity, cell viability, and proliferation in hair follicular keratinocytes, with L-cystine playing a key role in protection against oxidative stress.

This article reviews the need for multicenter clinical trials to establish reference data for ultrasound screening protocols for Down syndrome and reports no new findings.

This study found that supplementing Liaoning cashmere goats with HMBi increased cashmere length while decreasing its diameter, attributed to changes in Met-related metabolites and elevated expression of genes related to the Met cycle and cell differentiation pathways such as Wnt and MAPK.

This study found that women with polycystic ovary syndrome in the Black Sea Region had higher levels of androgens, obesity, and insulin resistance, increasing their risk of metabolic syndrome compared to healthy women.

Certain micronutrients may improve hair and nail health, but more research is needed to confirm their benefits.

This review reports that nutritional and lifestyle factors, such as micronutrient deficiencies and stress, play a significant role in hair health and loss, but emphasizes that evidence for interventions remains limited and more research is needed to establish clear clinical guidelines.

In this study, supplementing low-protein diets with 0.75% methionine maintained growth performance, improved fur quality, enhanced nutrient utilization, and supported intestinal microbiota balance in blue foxes, with significant results on several biochemical parameters and nutrient digestibility observed.

Eating a balanced diet with specific nutrients can help manage menopause symptoms and prevent related health issues.

This study reports that compound heterozygous loss-of-function mutations in the HEPHL1 gene in a child were associated with abnormal hair and cognitive issues, linking altered ferroxidase activity to hair disorders.

This review discusses various environmental pollutants and their potential role in promoting mitochondrial dysfunction, which may contribute to aging-related diseases, cancer, and other adverse health outcomes, but reports no new experimental results.

This study found that D-peptide crosslinked MAP hydrogel accelerated material degradation in vivo but significantly enhanced skin regeneration, suggesting an adaptive immune response can drive regenerative healing even with rapid scaffold breakdown.

This study found that good quality protein supplements or rumen-protected methionine increased fiber yield in Angora goats and, to a lesser extent, in Cashmere goats.

The researchers reported that mast cell and nerve fiber interactions in mouse skin are highly selective for nerve fiber types and vary depending on the hair cycle phase.

This article reviews the impact of H2O2-redox homeostasis on hair follicle pigmentation via tyrosinase and associated mechanisms, discussing primarily findings from murine models without providing new clinical results for humans.

This review discusses the varied levels of evidence linking nutritional supplements and antioxidants to dermatological disorders, but it reports no new clinical results and highlights the need for rigorous trials.

Metabolic disorders can cause hair structure defects and growth issues, but amino acid levels in hair remain normal.

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 literature review reports that multivitamin supplementation can enhance hair density and quality in people with suboptimal nutritional status but warns that excessive intake of certain vitamins and minerals may cause hair loss.

This review discusses the roles of metabolism, reactive oxygen species, intracellular pH, and cell morphology in influencing cell fate decisions during stem cell differentiation but reports no new experimental results.

In this study, a missense mutation in the MAP2 gene was found to be associated with reduced hair follicle density, leading to the hairless phenotype in pigs.