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In this study, homozygous VDR null mutant mice exhibited nonfunctional vitamin D receptors, leading to growth abnormalities and revealing the limited physiological importance of vitamin D pathways outside the classical receptor.

This abstract lists key topics related to non-genomic steroid effects and protein interactions, but reports no new research findings.

This review highlights the significant risks posed by mercury to the endocrine system, including disruptions in hormone synthesis and regulation, stress response, and potential reproductive dysfunction, while noting the need for further research on dose-response relationships and long-term impacts.

This study found that low levels of SHBG and testosterone were associated with higher mortality in men with severe COVID-19.

In this study, Diane treatment in women with androgenetic alopecia led to normalization of hormone levels and improved hair condition, including less greasiness and reduced hair loss.

This review discusses sex differences in the neuroendocrine response to stress, focusing primarily on rodent studies, and highlights open questions about the roles of gonadal hormones and sex chromosomes.

This study suggests that while PTH rP initially seemed to shorten the hair cycle by transitioning hair follicles from anagen to catagen, more relevant models indicate it ultimately accelerates and stimulates hair growth.

This study suggests that decreased SHBG levels and increased FAI, free testosterone, and DHEAS concentrations are effective in diagnosing PCOS in epidemiological studies of women of reproductive age.

This study found that metformin treatment during pregnancy in women with PCOS was associated with higher SHBG levels in newborns, but did not affect androgen or estrogen levels at birth.

This study found that increased hair growth from Cyclosporin A treatment is likely not due to hormonal changes.

This study observed that direct exposure to androgens in Western clawed frogs differentially affects thyroid receptor and deiodinase gene expression in male and female tissues, offering insight into sex-specific metabolic pathway activation.

The study concluded that serum AMH is a useful tool for diagnosing polycystic ovarian morphology in women with persistent acne, potentially replacing transvaginal ultrasound, though it does not correlate with hyperandrogenemia.

This study observed that cyclosporine A significantly alters sex hormone levels in both pre- and post-menopausal women with primary biliary cirrhosis.

This study found that benzodiazepine therapy in women with idiopathic hirsutism significantly increased sex hormone binding globulin and decreased dehydroepiandrosterone sulphate, but did not significantly affect hair growth.

This study found that sex hormone-binding globulin promotes facial aging, while sex steroid hormones such as testosterone and estradiol inhibit it, with growth hormone levels showing no significant effect.

In this cohort study of young Danish men, self-reported older age at voice break was linked to certain reproductive hormone changes that suggest reduced male fecundity, but associations with semen characteristics and testicular volume were not statistically significant.

In this study, nearly half of the female patients with androgenetic alopecia reported symptoms of hormonal disorders, but hormone test results did not show significant abnormalities.

This study found that women with PCOS had higher levels of serum phoenixin isoforms, which correlated with reproductive and metabolic markers, suggesting these isoforms may have a potential diagnostic role.

Early-onset hair loss in Egyptian males is linked to genetics, hormones, and lifestyle factors like smoking and diet.

This study observed that Greek Caucasian women with PCOS had distinct serum hormone levels and a specific AKT2 gene SNP, which may play a role in the condition's characteristics.

This study found that women with androgenic alopecia often have increased dihydrotestosterone levels, suggesting potentially enhanced activity of 5-alpha-reductase, with the saliva free testosterone level providing valuable hormonal background information.

In this study, adolescent male acne patients with normal serum testosterone showed improved outcomes with finasteride plus lifestyle intervention, significantly reducing DHT and free testosterone levels and improving SHBG levels, with minimal adverse effects.

This article reviews research on androgen hormone levels in males with androgenetic alopecia and explores the effects of androgens on hair follicles, but it reports no new findings.

This article reviews studies on androgen hormone profiles in men with androgenetic alopecia and the effects of androgens and 5-alpha reductase on hair follicles, but provides no new findings.

This study observed that combined treatment with thyroxine and hydrocortisone increased lipid accretion and fat cell development in hypophysectomized fetal pigs, suggesting a key role of these hormones in fetal adipogenesis.

New ABCA12 gene mutations were linked to a skin condition with scaling and hair loss, and a treatment helped with hair loss in a related case.

This study found a significant negative correlation between serum SHBG levels and androgenetic alopecia severity in women, but not in men, while no significant correlation was observed for testosterone, estradiol, dehydroepiandrosterone sulfate, and vitamin D levels with hair loss severity across genders.

This study found that the effects of the vitamin D receptor on hair follicle cycling in mice are independent of its ability to bind a hormone, with specific domain mutations influencing hair regrowth outcomes.

This case study reported that absence of alopecia does not reliably predict responsiveness to vitamin D treatment in Vitamin D-dependent rickets type II, as demonstrated by a patient with normal hair growth who showed extreme resistance.

This study found that a low estrogen-containing oral contraceptive normalized hormone levels and improved symptoms in women with polycystic ovary disease, with minimal side effects reported.