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This study investigates the potential role of the corticotropin-releasing hormone system in the pathogenesis of lichen planus but does not report new clinical results, emphasizing the need for further exploration.

This study found that overexpression of parathyroid hormone-related peptide in transgenic mice skin disrupted normal hair follicle development, suggesting a role for the peptide in the early stages of follicle formation.

HPT axis hormones boost mitochondrial function and growth in hair follicles, potentially aiding hair health.

In this study, increased corticosterone from chronic stress prolonged hair follicle stem cell quiescence in mice, inhibiting regeneration, but restoring Gas6 expression overcame this inhibition.

This study found that in a mouse model, alopecia areata was associated with changes in heart structure, biochemistry, and gene expression linked to cardiac hypertrophy after ACTH exposure.

This study reports that in ovarian cell development, FSH-induced OCT4 expression is regulated through the GSK3β/β-catenin pathway mediated by the PI3K/Akt pathway.

This review emphasizes the potential of repurposing topical L-thyroxine for skin ulcers and telogen effluvium and highlights the need for further exploration of its use in dermatology.

This review discusses how neuroendocrine regulation affects human hair follicles and suggests potential therapeutic targets, but it reports no new clinical results.

This study found that in Arabidopsis, root hair-specific proteins ADF8 and ADF11 are crucial for responding to hormonal signals like auxin and ethylene, which in turn modulate actin filament dynamics and are key for root hair growth under various environmental conditions.

This research review observed that topical hormone replacement therapy, particularly estradiol and estradiol-testosterone combinations, significantly increased Type I and III collagen synthesis in the skin of postmenopausal women, suggesting benefits against collagen loss-related skin aging effects such as reduced elasticity and increased dryness.

In this study, researchers discovered that the MafB gene, which is important for macrophage differentiation, shows high expression in the pancreas and is influenced by sex steroids, with varied expression patterns in hamster tissues and during reproductive phases.

This study found that pharmacological inhibition of sex steroid synthesis impacts pathogenic processes in traumatic brain injury in a sex-specific manner, with distinct effects of letrozole and finasteride on molecular and neurological outcomes.

This review discusses the classic skin characteristics of hypothyroidism, notably generalized myxedema caused by increased glycosaminoglycan deposition, and reports no clinical results.

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 review discusses the relationship between SHBG, NAFLD, and PCOS and reports no new clinical results; the authors highlight low hepatic SHBG production as potentially significant in PCOS pathogenesis.

This article reviews current knowledge and research gaps on growth hormone in hair follicle biology, highlighting its complex role and suggesting further exploration to reveal nonclassical skin functions.

In vitro, this study suggests that CRH may act as an autocrine hormone in human sebocytes, influencing lipid synthesis and potentially impacting skin disorders related to alterations in sebaceous lipid formation.

This study found that applying supraphysiologic doses of topical T3 significantly accelerated wound healing in mice compared to a control vehicle, suggesting its potential as a cost-effective wound treatment.

This study observed that vitamin D receptor expression in certain hair follicle cells varies throughout the murine hair cycle, suggesting a potential role for 1,25-dihydroxyvitamin D3 in hair follicle biology.

This study suggests that TIP39 and its receptor PTH2R, identified in human epidermis, may play a role in keratinocyte function and influence skin differentiation.

This study found that the synthetic thyroid hormone receptor modulator KB2115 significantly prolonged the growth phase of human hair follicles in culture without altering mitochondrial activity, suggesting potential as a safer hair loss treatment compared to traditional thyroid hormones.

This review discusses the role of sex hormones in COVID-19 severity and reports no new clinical results; the authors suggest further research for gender-based personalized treatment options.

This study found that α-melanocyte-stimulating hormone increased melanin production in hair follicles of moulting Siberian hamsters, whereas [8-arginine]-vasotocin inhibited melanin production without affecting tyrosinase activity.

This review discusses the roles of sex hormones in COVID-19 progression and highlights conflicting evidence on their protective effects and the complexity of sex and gender influences on the disease.

This study observed that extracellular ATP (eATP) levels outside Arabidopsis root cells vary inversely with the expression of AtAPY1 and AtAPY2 apyrases, suggesting these enzymes regulate eATP concentrations crucial for root growth.

In this study, researchers found that the thyroxine receptor agonist TDM10842 accelerated the onset of anagen, a hair growth phase, in C3H mice, potentially through activation of the Wnt/beta-catenin and Hedgehog pathways, with Pclaf playing a key role in this process.

This study found that Epiprofin acts as a negative regulator of parathyroid hormone transcription, with potential implications for controlling PTH production in hyperparathyroidism.

This study found that human scalp hair follicles produce neurohormones and responded to GHRH stimulation by prolonging hair growth, suggesting a functional peripheral HPS neuroendocrine signaling axis in the skin.

Topical thyroid hormones may boost hair growth.

This study suggests that topically applied thyroid hormones T3 and T4 promote hair growth on human scalp tissues ex vivo, highlighting potential therapeutic use for hair loss conditions like androgenetic alopecia.