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This study investigated the effects of pathological α-synuclein on sebaceous gland cells in Parkinson's disease, finding that α-synuclein exposure altered cellular differentiation and lipid production, suggesting a potential link between α-synuclein and lipid dysregulation in the skin of PD patients.

This study found that a supplement containing cystine, B vitamins, and minerals improved hair condition in 34 women with diffuse hair loss over six months, as evidenced by an increased anagen/telogen hair ratio, positive participant feedback, and no serious side effects.

This study identified genetic differences between Australian White Sheep and Hu Sheep that may explain their distinct pelage types, with a focus on subcutaneous adiposity and immunoregulation. The findings suggest potential targets for breeding climate-resilient sheep, enhancing our understanding of heat tolerance in these breeds.

In this study, 20% whale oil applied to mice was observed to promote hair growth more effectively than a control or 3% minoxidil, showing increased hair follicles and thicker subcutaneous tissue.

In this study, N. ottonis cactus cell extract applied to mice promoted hair growth and increased the number of hair follicles, suggesting its potential as a hair-growth-promoting agent.

This study found that platelet-rich plasma microneedles promoted hair regrowth in mice by facilitating angiogenesis and cell proliferation, showing promise for a minimally invasive hair regeneration treatment.

This study found that a new "bead-jet" printing system for mesenchymal stem cells in Matrigel beads improved skeletal muscle regeneration and skin healing in a high-density, sparse pattern.

Certain enzymes react strongly with some hormones in rat skin during hair growth, mainly in sebaceous glands and hair sheaths.

Human hair follicles can process steroid hormones like DHEA.

This review found that while elevated DHEA levels are observed in some women with PCOS, especially those with hyperandrogenism, inconsistencies across studies suggest that standardized measurement and analyses are needed to clarify DHEA's role as a biomarker and factor in PCOS pathophysiology.

In this study, nandrolone decanoate treatment in rats caused persistent diestrus and altered steroid receptor expression and sex hormones, especially at higher doses, with partial reversibility at lower doses over time.

This study identified genetic variations in the DSG4 gene among sheep, revealing valuable markers for assessing their impact on wool traits.

This study found that women with PCOS displayed significantly higher activity of 5alpha-reductase, suggesting an additional role for liver and peripheral tissues in their androgen excess.

This study found that overexpressing Dsg3 in the suprabasal epidermis of transgenic mice resulted in flaking skin and abnormal hair growth, supporting Dsg3's role in regulating epidermal differentiation.

This study found that TCDD significantly reduced EGF receptor binding in various animal models, linked to toxic symptoms like weight loss and developmental delays, with receptor phosphorylation persisting several days.

In this study, TCDD administered to male rats down-regulated EGF receptor in liver plasma membranes and increased protein kinase activity, suggesting EGF receptor–mediated toxicological effects.

This study found that taking a daily oral dose of 50mg DHEA for one year had no significant impact on blood lipids, insulin sensitivity, or the endometrium in postmenopausal women with low libido.

This review found no evidence that DHEA improves quality of life or decreases menopausal symptoms in peri- and postmenopausal women, but it may slightly enhance sexual function compared to placebo.

This study suggests that D2O increases hair length in nude mice by extending the hair cycle duration, particularly the hair-existing phase, which is associated with increased mast cell density.

This study found that combining diagonal earlobe crease with lipoprotein(a) provides strong diagnostic value for coronary heart disease.

This review explores how adaptive changes in cerebellar and vestibular subsystems may contribute to balance control, noting cellular mechanisms involved, but presents no new clinical findings.

This study demonstrated that dermal papilla cells are molecularly distinct from fibroblasts and identified many novel molecules, including a new member of the CTGF protein family.

This study found that steers grazing on toxic tall fescue with continuous hair growth and reduced sweating had impaired thermoregulation, leading to decreased grazing activity and poor performance.

Multiple mouse desmoglein 1 isoforms have distinct roles in skin and hair development.

This study found that dexamethasone treatment inhibited the inflammatory response and the induction of ornithine decarboxylase activity in mouse skin after TPA application, although the effect on ODC was weaker during the hyperplastic stage.

In this study, D6D knockout mice showed severe deficiency in AA and DHA, leading to unexpected effects on skin health, fertility, and immune cell development.

This study developed a method to quantify hormones in skin secretions and found that hormonal composition varies by sex and anatomical site.

This study found that distinct isoenzymes of 3 beta-hydroxysteroid dehydrogenase are expressed in human adrenals and gonads compared to the placenta and skin.

This study found that serum 3 alpha-diol G levels in women with idiopathic hirsutism correlated well with their clinical response to treatment, suggesting its usefulness in evaluating treatment outcomes.

This study found that the 15-PGDH inhibitor DPP improved endothelial function in hair-related cells exposed to DHT by reducing oxidative stress and enhancing angiogenic capacity.