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This review explores the hormonal regulation of hair growth and changes with season, age, and sexual development, and calls for improved treatments for hair disorders.

This review discusses the influence of oestrogens on various skin components and highlights their modulatory roles and receptor pathways, but it reports no new clinical results.

This review discusses how COVID-19 may affect gonadal function and potential gender differences, but reports no clinical results; it highlights possible mechanisms and new treatment approaches from recent literature.

In this study, ceruloplasmin and keratin 4 were identified as markers that differentiate between growing and resting phases in cashmere goat hair follicles, with keratin 4 being a potential marker for the onset of a new hair cycle.

This study found that applying ferrous ferric chloride skin lotions to newborn mice stimulated skin cell proliferation and differentiation, increased hair growth, and inhibited alopecia-related hair loss.

This study found that prolonged use of finasteride in women led to altered levels of sex steroids, DNA damage, and increased menstrual bleeding, suggesting adverse health effects without clear benefits for androgenetic alopecia treatment.

This study investigated the Mandarin duck as a model for understanding lifelong developmental changes, finding that male sail feather morphogenesis involves a combination of local morphogenetic programs, epigenetic regulation, and hormonal cues, with increased female estrogen levels observed before the mating season.

This study explores the complex mechanisms of skin aging, including cellular senescence and disrupted communication, and highlights rejuvenation strategies like gene expression rewiring and microbiome modulation, offering potential frameworks for regenerative therapies and precise interventions in skin and systemic aging.

This study found that allopregnanolone has a bimodal effect on prolactin secretion in sheep, stimulating PRL mRNA expression but inhibiting hormone release under stress and pregnancy conditions.

A method was developed to grow hair follicles in a lab for research on hair growth and health.

This article discusses the pathogenesis of hidradenitis suppurativa, highlighting follicular occlusion and inflammation as key factors in disease development, but reports no new clinical results.

This study observed that in vitro treatment of male frontotemporal scalp hair follicles with 17-β-estradiol stimulated hair shaft generation and hair matrix keratinocyte proliferation, suggesting potential anagen-prolonging effects.

This study found that in a mouse model with hereditary 1,25-dihydroxyvitamin D resistant rickets, a mutant vitamin D receptor lacking hormone-binding ability could restore normal hair cycling and affect parathyroid hormone regulation.

This study identified the Hairless (Hr) gene-encoded protein as a corepressor that plays a crucial role in maintaining skin and hair by regulating epithelial stem cell differentiation and gene expression via chromatin remodeling, which may impact both development and disease.

In this study, researchers found that in mice, gonadal hormones and biological sex do not affect the expression of SARS-CoV-2 entry proteins ACE-2 and TMPRSS-2 in the respiratory tract, regardless of disease state.

This article discusses plasma β-endorphin concentrations during natural and artificially induced winter hair growth in mink but reports no new clinical findings.

In this study of young women with menstrual cycle disorders, researchers found that the type and severity of skin conditions are linked to both androgen levels and local skin receptor expression, suggesting customized treatment strategies could enhance management.

This study identified a new cis-regulatory element in the mouse Hr gene that influences its expression in skin and brain cells, highlighting a complex molecular network involved in hair follicle formation.

This study found that the peach gene CTG134, involved in auxin-ethylene interactions, plays a role in hormonal regulation during root hair formation in Arabidopsis and tobacco.

This article discusses the role of human hair follicles in neuroendocrinology and suggests potential new therapeutic targets by examining how neuromediators influence hair growth, pigmentation, and stem cell biology in organ cultures.

This study found that shift nurses exhibited lower circadian variations compared to daytime nurses, indicating an adjustment of their biological clocks to continuous shift schedules.

This study found that topical MR blockers alongside glucocorticoids may limit glucocorticoid-induced skin atrophy, suggesting MR's significant role in skin-related endocrinology.

This review explores various topics related to skin diseases, hormones, receptors, growth factors, and therapeutic approaches, but it provides no new research findings.

This study suggests that the phenotype of melasma in women is influenced by structural and cellular changes across the epidermal-melanin unit, not just melanocyte hypertrophy, highlighting potential roles for dermal damage repair and fibroblast senescence.

This study found that Ficus carica extract enhanced fertility markers, including hormone levels and reproductive organ activity, in rats of both sexes, suggesting potential benefits for managing fertility issues.

In clinical studies, inhibiting androgen receptor expression using CosmeRNA ARI SAMiRNA micelles effectively treated androgenetic alopecia by significantly increasing hair growth, as reported in this research.

This study found that mu-crystallin gene expression in mouse skin is highest during the anagen phase of hair development, suggesting its possible role in hair follicle growth.

This study found that high levels of parathyroid hormone-related protein expression can result in the production of shorter hair shafts, likely through effects on angiogenesis.

This study demonstrates that combining gene expression data with a random forest algorithm provides highly accurate diagnosis of childhood growth hormone deficiency, showing potential utility in distinguishing it from non-GHD short stature.

This study provided the first X-ray crystal structure of the mammalian steroid hormone reductase AKR1D1 and identified a disease-related mutant, P133R, which may impact bile acid metabolism and cause clinical symptoms.