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Certain 4-azasteroids are effective at blocking the enzyme that processes testosterone in human skin and could help treat acne, excessive hair growth, and male pattern baldness.

A new compound may effectively inhibit the enzyme linked to BPH and hair loss.

Women with female pattern hair loss have higher levels of certain androgens, suggesting increased androgen exposure to hair follicles.

Human beard hair follicles change testosterone into other related hormones, but don't much change androstenedione into testosterone.

Beard hair follicles convert testosterone to 5α-dihydrotestosterone most intensively.

Women with hyperandrogenism have higher androgen levels and lower SHBG, which may contribute to conditions like excessive hair growth and early puberty.

Dihydrotestosterone can be made from dehydroepiandrosterone in skin cells without needing testosterone.

Men with male-pattern baldness have higher levels of certain testosterone metabolites and may have more active androgen metabolism.

Women with PCOS have higher 5α-reductase activity, which may be linked to insulin resistance.

Caucasian men have more chest hair and higher levels of certain androgen products than Chinese men.

Sebocytes play a key role in controlling androgen levels in human skin.

Blocking a specific enzyme in male rat fetuses leads to the development of nipples and feminized genitalia.

The methods accurately measured brain androgens, showing most 5α-androstane-3α,17β-diol comes from outside the brain, while androsterone is both transported and made in the brain.

The method produces finasteride with a 92% yield.

New A-homo-B, 19-dinor steroids showed strong antiandrogenic activity without affecting the enzyme 5α-reductase or androgen receptor binding.

Finasteride may treat baldness but less effective for those with 5α-reductase deficiency.

A three-month treatment with a GnRH agonist significantly lowered androgen levels and 5α-reductase activity in men with benign prostatic hyperplasia.

The chemicals 17βC and its methyl ester can block the effects of testosterone on hamster skin but not the effects of DHT.

Finasteride is not effective for older women with hair loss.

Testosterone and some of its forms can strongly stimulate oil gland growth in skin.

Gut microbes significantly affect brain steroid levels.

3α-AdiolG is a good marker for androgen activity in women with excessive hair growth and decreases with anti-androgen treatment.

Testosterone metabolites may help relieve diabetic nerve pain.

Rodent models of PCOS show some hormone changes similar to humans, but also have key differences.

Rodent models of PCOS show some similar and some different lipid changes compared to humans.

Idiopathic hirsutism may be linked to increased enzyme activity.

ERβ has potential in treating prostate cancer and neurodegenerative diseases, but human studies are needed before clinical use.

Prepubertal girls have higher sex steroid levels than boys, possibly leading to earlier puberty.

The document concludes that accurate measurement of serum androgens is crucial for diagnosing hyperandrogenism.

A new method to make Finasteride is more cost-effective and yields 16%.