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Male rats have androgen receptors in their liver, which are different from proteins that bind estrogen.

Estrogens significantly influence hair growth by interacting with receptors in hair follicles and may help regulate the hair growth cycle.

Birth control pills can improve or cause acne and hair issues, with improvements more common, and may affect skin pigmentation.

Estrogen Receptor ß (ERß) is the main hormone controller in human skin and hair follicles, not Estrogen Receptor α (ERα) or the Androgen Receptor (AR).

Men with male-pattern baldness have more androgen receptors in their scalp's oil glands, which may contribute to hair loss.

17α-estradiol is a safe estrogen that might protect the brain and doesn't cause feminization, needing more research for treating brain diseases.

Estrogen increases blood vessel growth factor production, while testosterone blocks this increase.

Glucocorticoids and sex hormones affect skin health, with potential for targeted treatments to minimize side effects and treat skin conditions.

Estrogens help reduce skin aging, and SERMs might offer similar benefits without the risks of hormone therapy.

Estrogens generally inhibit hair growth and improve skin quality, but their exact effects on hair follicles are complex and not fully understood.

The chapter explains the causes of excessive hair growth and masculinization in women and how to measure hormone levels related to these conditions.

The document explains how certain drugs block hormones to treat cancers like breast and prostate cancer.

Hormone therapy for breast cancer often leads to sexual issues like vaginal dryness and decreased libido.

Human skin makes sexual hormones that affect hair growth, skin health, and healing; too much can cause acne and hair loss, while treatments can manage these conditions.

Spironolactone treatment increases the amount of testosterone available in the body.

17-β-Estradiol applied to the skin stops hair growth, while ICI 182 780 helps hair grow in mice.

Pregnant women often experience skin and hair changes, with over half getting stretch marks and pigment changes, and should be cautious with cosmetic procedures due to potential risks.

Adjusting estradiol-ANGPT2 levels can promote hair growth in female pattern hair loss.

Postpartum depression is linked to changes in brain chemicals, inflammation, stress, and certain genes, and can potentially be identified by markers like specific steroids, serotonin levels, and vitamin D levels.

Hair loss from hormone therapy in breast cancer patients can be improved with minoxidil treatment.

Acne significantly affects mental health and quality of life, with research suggesting hormonal and genetic factors in its development and emphasizing early treatment to prevent scarring.

Long-term finasteride use doesn't change bone density or metabolism.

Nano-sized plant-based chemicals could improve cervical cancer treatment by being more effective and causing fewer side effects than current methods.

The document concludes that careful design of genetic fate mapping experiments is crucial for accurate cell lineage tracing in mice.

Androgenic steroids can slow down or stop the growth of certain skin fungi.

Certain sex hormones and antiandrogens can either slow down or speed up the growth of human hair follicle cells depending on their concentration.

New hormonal treatments for enlarged prostate show promise for safer, effective non-surgical options.

Male pattern baldness may be caused by factors like poor blood circulation, scalp tension, stress, and hormonal imbalances, but the exact causes are still unclear.

Keratin 18 helps diagnose and predict cancer progression and affects cancer growth and spread.

Pregnancy can cause more body and scalp hair growth and make nails brittle, but these changes often revert after giving birth.