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This study suggests that Demodex mites might universally inhabit adult humans, with a phylogenetic analysis indicating potential undiscovered lineages of the D. brevis species based on geographic differences.

The document concludes that stem cells and their environments are crucial for skin and hair health and have potential for medical treatments.

This study found that two new progesterone derivatives showed higher antiandrogenic effects and 5α-reductase inhibition than finasteride in hamsters, particularly reducing seminal vesicle weight and flank organ size.

In this study, trichoscopy was found to be an effective noninvasive tool for diagnosing female pattern hair loss at early stages, potentially eliminating the need for scalp biopsies.

This research highlights that engineered mice lacking the vitamin D receptor show multiple health issues similar to human vitamin D deficiency, underscoring the widespread impacts of the vitamin D endocrine system.

This review examines the functions of vitamin D and its receptor in skin and explores how these are regulated, reporting no new clinical results.

This systematic review observed that a significant number of COVID-19 patients report long-term symptoms, including neurologic complaints and chronic fatigue, highlighting the presence of "post-COVID syndrome.

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

This review discusses the potential of targeting glucocorticoid action as a treatment strategy for obesity and type-2 diabetes, highlighting promising animal study results but reports no new clinical findings.

This review discusses lung regeneration and highlights the role of facultative stem/progenitor cells, but it reports no new findings and calls for further exploration of underlying mechanisms.

This review discusses the various aspects of long COVID, highlighting its multi-organ impact, including symptoms like fatigue and dyspnea, and suggests that vaccination may play a role in prevention and management. Risk factors and potential therapeutic strategies are also examined.

In this study, procyanidin B-2 and C-1 were found to promote hair growth by selectively inhibiting protein kinase C, supporting their potential use for hair-growing activity.

This study concluded that heterozygosity for CYP21 mutations is associated with higher mean and free testosterone levels in women but does not significantly increase their risk of developing clinically evident hyperandrogenism.

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.

This study found that the protein hairless acts as both a corepressor and coactivator of the vitamin D receptor, influencing gene transcription in a ligand-selective manner.

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

This review summarizes common skin-related side effects of BRAF inhibitors and immunotherapy in advanced melanoma treatment, reporting no new clinical findings, and emphasizes consensus management to improve patient outcomes.

This study found that a novel missense mutation in the vitamin D receptor caused hereditary 1,25-dihydroxyvitamin D-resistant rickets with alopecia by disrupting protein function, highlighting the importance of DNA binding in hair development.

This review discusses the similarities between COVID-19 and acute radiation syndrome, highlighting their shared inflammatory responses and suggesting that insights from radiation biology could inform COVID-19 research and treatment approaches; it reports no new clinical results.

This study found that 42% of red yeast rice dietary supplements did not list monacolin concentrations on their labels, and only half of those that did contained the declared amounts.

This study found that neural crest-derived hair follicle cells in mice can differentiate into osteoblast-like cells, suggesting a potential application for bone regenerative therapies.

In this study, FCE 28260 showed greater potency than finasteride in inhibiting 5α-reductase enzymes and reducing prostate DHT levels in rats.

This study found that in patients with nonclassical 21-hydroxylase deficiency, genotypes do not reliably predict the severity of hyperandrogenic symptoms, suggesting other genetic factors may influence the phenotype.

This study found that patients with non-classical 21-hydroxylase deficiency do not appear to be at risk of short adult stature despite increased bone age in childhood.

This study found that bolandiol increased lean body mass and bone mineral density in castrate adult male rats, exhibiting tissue selectivity and acting through multiple receptor pathways with less potency compared to other androgens.

In this retrospective review, the author discusses key discoveries in understanding androgen excess disorders like PCOS, focusing on genetic and molecular insights gained from 1965 to 2015.

This review discusses the current and emerging methods for profiling skin microbes to advance our understanding of the microbiome in skin disease, but it reports no new clinical findings.

This study found that 17β-estradiol was the most powerful hormone for inducing APE1/Ref-1 secretion in cultured vascular endothelial cells, with secretion occurring through exosomes dependent on estrogen receptors and intracellular calcium.

This study describes a method to estimate endogenous hormone production by neutralizing an endogenous hormone with an oppositely acting hormone.

This study found that the gene SRD5A1, associated with methylation changes due to early-life environment, may play a role in altering reproductive phenotypes in women by delaying pubertal onset and decreasing ovarian reserve.