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This article reviews studies on thyroid influence on hair growth, noting varied results, including accelerated growth in some normal and underfed rats after thyroid administration, but reports no clinical results.

In this study, prolonged systemic administration of 17β-estradiol in castrated male mice delayed wound healing by inhibiting re-epithelialization and reducing collagen accumulation, with estrogen receptor-α likely mediating this effect.

This study found that reducing testosterone levels in male mice accelerates wound healing and decreases inflammation, suggesting a potential therapeutic target for improving wound repair in elderly males.

This study found that repeated immunization against melatonin in Australian feral goats temporarily increased cashmere production and altered growth cycles, but these effects diminished after the first year.

This study observed that circulating testosterone affects baseline sex differences in voiding function in C57BL/6J mice, with prostate lobe mass having a lesser impact.

The study found that reducing testosterone in male mice through castration or androgen antagonism significantly accelerated wound healing by decreasing inflammation, suggesting a potential therapeutic target for impaired healing in elderly men.

The study found that males with androgenetic alopecia had a significantly lower left-hand 2D:4D digit ratio compared to healthy controls, suggesting this ratio may help estimate future AGA risk.

This study suggests that hepatocellular carcinoma in cirrhotic men is associated with altered sex-steroid metabolism, indicated by lower testosterone and 5 alpha-dihydrotestosterone levels compared to cirrhosis alone.

This study found that hair plucking induced greying in castrated mice, suggesting that decreased androgen levels could play a role in age-related hair greying in humans.

This study found that hair plucking via waxing led to greying of hair in castrated mice, suggesting that decreased androgen levels may contribute to age-related hair greying in humans.

This study indicates that the normal human prostate is not a major contributor to circulating blood DHT concentrations in androgen-deficient patients receiving testosterone replacement therapy.

New oral treatment, finasteride, effectively and safely treats common hair loss.

This study in male mice found that testosterone provides strong protection against skin necrosis after ischemia, working through its estrogenic and androgenic derivatives to enhance skin survival and revascularization, with 17β-estradiol being notably more effective than dihydrotestosterone.

This study found that reducing testosterone levels in male mice accelerates wound healing and decreases inflammation, suggesting a potential therapeutic target for improving wound repair in elderly males.

This review discusses recent advances in understanding the pathophysiology and molecular mechanisms of androgenetic alopecia in males, females, and children, but reports no new clinical results.

This study found that coadministration of 5α-reductase inhibitors with oral testosterone in oil significantly increases serum testosterone levels in medically castrated men compared to testosterone alone, with food intake minimally affecting these levels.

This study found that the androgen precursors DHEA and androstenedione stimulated androgen-sensitive parameters in the sebaceous glands of the skin in castrated male hamsters.

In a hamster model of COVID-19, this study observed that both low and high doses of testosterone worsened illness in males, while finasteride prevented severe outcomes.

This study found that in vitro environments simulating testosterone levels in elderly males, testosterone and its metabolite DHT significantly reduced macrophages' ability to phagocytize MRSA and Pseudomonas aeruginosa, suggesting AR manipulation and inhibiting testosterone-DHT conversion might help fight wound infections in the elderly.

This case report describes the first documented occurrence of pili torti in a healthy young adult cat, marked by noninflammatory and nonpruritic symmetrical multifocal alopecia.

Benign Prostatic Hyperplasia may be caused by changes in how the body processes male hormones.

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.

This study found that finasteride decreased plasma dihydrotestosterone levels and altered steroid metabolism, similar to the profile of male pseudohermaphrodites with inherited 5a-reductase deficiency.

Seborrhea in Parkinson's disease may be linked to hormones, not autonomic impairment.

This article revisits the genetics of pattern baldness but reports no new clinical findings.

This article reviews existing treatments for male-pattern hair loss, noting that while they can slow progression, they generally achieve only partial hair regrowth.

This study found that gonadal steroid hormones influence alopecia areata in C3H/HeJ mice, with estradiol promoting progression and dihydrotestosterone conferring resistance to disease onset.

This study found that compound 10 inhibited testosterone conversion to DHT in hamster flank organs and seminal vesicles, whereas compound 11's inhibitory effect varied with dose, linked to halogen electronegativity differences.

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 suggests that botanical 5AR inhibitors like Serenoa repens and β-sitosterol may improve symptoms of androgenetic alopecia, with 60% of treated subjects showing improvement compared to placebo.