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This study found an association between hydroxyl radical-modified SOD and alopecia areata, suggesting these modifications may lead to antibody induction in the condition.

This case report identified ovarian hyperthecosis as the cause of recent-onset androgenic symptoms in a 73-year-old woman, which was confirmed by ovary removal and led to symptom improvement.

In this study, researchers found that papain-treated or mechanically altered Asian scalp hair fibers allowed for spontaneous ion movement and anthocyanin dye flow through the medulla tube, with dye flow enhanced by applied DC voltage.

This study suggests that while PCOS phenotype does not affect oocyte quality, a combination of hyperandrogenism and chronic anovulation negatively impacts cumulative pregnancy rates in assisted reproduction.

In this study, bilateral oophorectomy was reported as an effective treatment for normalizing androgen levels and resolving hypersexuality and related symptoms in a post-menopausal woman with ovarian hyperthecosis, suggesting its importance in addressing excess androgen production in such cases.

In this study, researchers found that in adult mice, new hair follicles with pigmentation can regenerate from the epidermis after skin wounding, aided by melanocyte stem cells moving from nearby existing hair follicles.

This study presents two adolescent cases of ovarian hyperthecosis, a rare cause of severe hyperandrogenism, highlighting management strategies involving gonadotropin suppression and hormone replacement after excluding androgen-producing adrenal and ovarian tumors.

In this case series study, mild ovarian hyperstimulation syndrome was reported in only one out of 118 PCOS patients receiving highly purified HMG injections for IVF treatment.

This article discusses the role of hyperarousal and brain activity in insomnia and its potential link to sleep disturbances in depression, but it reports no new empirical findings.

This study suggests that the anogenital distance measure AGD_AC may moderately discriminate the presence of polycystic ovarian syndrome and could be a useful clinical tool.

This review examines the epidemiology, pathophysiology, diagnosis, and management strategies for non-classic congenital hyperplasia due to 21-hydroxylase deficiency, and provides evidence-based recommendations for its treatment and genetic counseling.

In this study, patients with alopecia areata were found to have significantly lower serum vitamin D levels compared to those with vitiligo and healthy individuals, with lower levels correlating with increased disease severity.

This review covers the pathophysiology, diagnosis, and treatment of congenital adrenal hyperplasia due to 21-hydroxylase deficiency and reports no new findings.

This study describes the first case of female pseudohermaphroditism due to a novel homozygous glucocorticoid receptor gene mutation, indicating possible pre- and postnatal virilization in affected females.

This study reports a high prevalence of comorbid autoimmune conditions, particularly thyroid disorders and psoriasis, among vitiligo patients in Boston teaching hospitals.

This study found that the vitamin D-VDR system is crucial for mineral and bone metabolism post-weaning and identified missense mutations in 1alpha-hydroxylase causing type I rickets.

This review discusses the various roles of vitamin D in skin disorders, including established use in psoriasis and potential applications for atopic dermatitis and skin cancer prevention, but reports no new clinical results.

This review discusses the pathophysiology, molecular genetics, and management of non-classic congenital adrenal hyperplasia due to 21-hydroxylase deficiency, with no new clinical findings reported.

In this case study, a 55-year-old woman with androgenetic alopecia was ultimately diagnosed with hepatic cortisone reductase deficiency after initially suspected 21-hydroxylase deficiency was ruled out.

This study found that in dogs with alopecia, certain steroid hormone levels were elevated, particularly progesterone, but not all hormone abnormalities were consistent across breeds, suggesting the need for breed-specific evaluation.

Vitamin D affects skin and hair by influencing cell behavior and melanin production.

This study suggests that many men with premature balding exhibit a hormonal pattern similar to some aspects of polycystic ovary syndrome in women.

This study found that while vitamin D deficiency is not the sole cause of alopecia areata, it may worsen the disease, suggesting supplementation could help in pediatric cases.

This study found that increased serum A4A levels were associated with more severe polycystic ovary syndrome phenotypes and could be a useful marker for biochemical hyperandrogenemia.

The antiandrogen 11α-hydroxyprogesterone effectively reduces skin oil and cholesterol when applied to the skin.

This study found that subcutaneous injections of guanethidine or 6-hydroxydopamine induced premature hair growth in mice, suggesting a role for sympathetic nerves in hair growth control.

This study concluded that neither basal nor ACTH-stimulated 17-OHP concentrations effectively indicate carrier status for 21-hydroxylase deficiency among Slovenian hyperandrogenic women, recommending molecular analysis of the CYP21 gene for reliable screening.

This study found a high prevalence of hyperandrogenemia in women with PCOS, with distinct biochemical differences according to BMI and presence of hyperandrogenemia.

This study found no significant association between the degree of male-pattern baldness and serum 25-hydroxyvitamin D levels in healthy middle-aged and older men.

This study found that patients with alopecia areata had significantly lower serum levels of 25-hydroxy vitamin D compared to control subjects.