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Reactive lipids from aging cells change the extracellular matrix, affecting cell function and inflammation.

This study indicates that insulin changes sex hormone levels in insulin-resistant women with polycystic ovary syndrome without affecting gonadotropin release, challenging the idea that hyperinsulinemia directly causes hyperandrogenism in PCO.

This study found that in mice, epidermal Wnt/β-catenin signaling influences adipocyte differentiation and hair growth, suggesting its critical role in synchronizing adipogenesis with the hair growth cycle.

This study concluded that an endogenous circannual rhythm of prolactin secretion in mouflon influences their seasonal hair growth and moulting cycle, which varies under different photoperiodic and melatonin treatments.

This study found that prenatal antiandrogen treatment in female spotted hyenas significantly altered the LH response to GnRH, indicating partial masculinization of their anterior pituitary gland without affecting ovulatory function.

In this study, researchers found that oestrogen did not increase adrenal androgen secretion in children with premature adrenarche or in adolescents with gonadal dysgenesis undergoing oestrogen replacement therapy.

This study suggests that interleukin-1 α influences dermal papilla cell activity by modifying androgen receptor expression and increasing the secretion of several growth factors and cytokines.

This review suggests that MSC-derived conditioned media hold promise in dermatology, with studies indicating enhanced therapeutic effects when used alongside treatments like laser therapy and microneedling, leading to improved dermatological outcomes.

This study demonstrates that Puerariae Lobatae Radix may regulate skin lipid metabolism by inhibiting sebaceous gland growth and reducing triglyceride secretion, highlighting its therapeutic potential for sebaceous gland-related conditions.

This case study reports that in an 8-year-old male, a pituitary adenoma causing isolated high LH secretion led to early testosterone-driven puberty without typical testicular enlargement, highlighting the differential roles of LH and FSH in pubertal development.

This study found that testosterone enhances glucose-stimulated insulin secretion in male and female human islets through its conversion to DHT and E2, a process disrupted by 5α-reductase and aromatase inhibitors.

This study found that testosterone enhances glucose-stimulated insulin secretion in male and female human islets, requiring conversion to DHT and E2 via SRD5A1 and aromatase.

This study found that DPP4 is significantly involved in matrix deposition and fibrosis in human skin fibroblasts, although the exact functions of DPP4 remain unclear.

In this study reviewing recent literature, researchers found limited high-quality evidence supporting the use of adipose-derived stem cells for androgenic alopecia and alopecia areata, suggesting a need for further randomized controlled trials to better assess their efficacy.

This report details a 6-year-old girl with adrenocortical cancer presenting with voice changes, weight gain, and excessive hair growth, successfully treated with surgery and medication, with symptoms resolved after 6 months.

This study observed that the ethyl acetate extract of Equisetum debile showed high activity against 5α-reductase and lipid peroxidation with no cytotoxicity on dermal papilla cells.

In this study, l-Ascorbic acid 2-phosphate was found to stimulate hair follicle growth in vitro by promoting IGF-1 expression via the PI3K pathway.

This study found that proteins secreted by early-passage dermal papilla cells, including SDF1, MMP3, biglycan, and LTBP1, may play significant roles in hair follicle regeneration.

This study found that chronic administration of testosterone in mice induced an elevated EPO secretion response, possibly mediated through DHT, without affecting baseline EPO levels.

Minoxidil, a common hair loss treatment, might work by counteracting a hormone that reduces hair growth and promotes hair loss.

In this in vitro study, baicalin promoted human hair follicle growth, potentially by enhancing VEGF secretion by dermal papilla cells.

This study suggests that ethyl acetate extract of Equisetum debile may be effective for functional food and nutraceutical use due to its strong 5α-reductase, IL-6 inhibition, and lipid peroxidation activities without cytotoxic effects.

This study found that subcutaneous administration of conditioned medium from adipose-derived stem cells promoted hair growth in mice, and hypoxia enhanced this effect by altering growth factor secretion.

In this case report, estrogen substitution therapy slightly increased hair volume in a 22-year-old patient with genetic predisposition to hair loss and alopecia caused by past treatment for leukemia, but hair loss returned after stopping the therapy.

This paper explores how melatonin interacts with various magnetic fields, noting that it can enhance certain positive health effects or inhibit destructive processes, but may also exacerbate conditions like multiple sclerosis by intensifying inflammation.

This study found that inhibiting EGFR and MEK in hair follicles may lead to a partial collapse of the immune privilege in the follicles and increased secretion of IL-33.