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Grafted rodent and human cells can regenerate hair follicles, but efficiency decreases with age.

All-trans retinoic acid causes hair loss by increasing TGF-β2 in hair follicle cells.

Human epidermal neural crest stem cells can become bone and skin pigment cells, making them useful for therapies.

Wnt signaling helps control how brain stem cells divide and is important for brain repair after injury.

The document concludes that understanding the genes and pathways involved in hair growth is crucial for developing treatments for hair diseases.

New hormonal contraceptives are safer, have fewer side effects, and offer health benefits for women.

Women with PCOS may take longer to get pregnant but can have a normal family size, and should manage their overall health to reduce long-term health risks.

Exosomes from dermal papilla cells can help grow hair and might treat hair loss.

The skin protects the body and is constantly renewed by stem cells; disruptions can lead to cancer.

The document concludes that understanding sulfation biology is crucial for creating treatments due to its importance in biological functions and disease.

Stress hormone corticosterone blocks a growth factor to slow down hair stem cell activity and hair growth.

Fat cells are important for healthy skin, hair growth, and healing, and changes in these cells can affect skin conditions and aging.

Birds can regenerate inner ear cells using specific gene pathways, unlike mammals.

After menopause, women lose a lot of skin collagen, but estrogen replacement might improve skin health.

Women with PCOS often have skin problems like excessive hair, acne, hair loss, and dark patches, which can be treated with hormonal and non-hormonal therapies.

Hair grays due to oxidative stress and fewer functioning melanocytes.

Low-dose gonadotropin treatment is effective for infertility in women with PCOS, leading to high ovulation rates and comparable pregnancy rates with fewer complications.

Engineered exosomes show promise for improving wound healing but face challenges in clinical use.

Dutasteride and finasteride do not significantly affect bone density, blood fats, or blood production, but slightly lower PSA levels and minimally impact sexual function in healthy young men.

Lifestyle changes improve metabolism and fertility in overweight PCOS patients; anti-obesity drugs show potential but need more research.

Dermal papilla cells help wounds heal better and can potentially grow new hair.

β-Catenin signaling is involved in brain cell growth after injury and could be a therapy target.

The topical inhibitor CUR61414 was not effective in treating basal cell carcinoma in human trials.

Wnt1a-conditioned medium from stem cells helps activate cells important for hair growth and can promote hair regrowth.

Wnt signaling may be linked to heart diseases in aging and could be a target for future treatments.

The article explains the genetic causes and symptoms of various hair disorders and highlights the need for more research to find treatments.

The current methods for diagnosing polycystic ovary syndrome are too vague and may lead to misdiagnosis and problems in research.

Blocking BACE1 and BACE2 enzymes causes hair color loss in mice.

Human skin cells can be turned into versatile stem cells, but their ability to do so decreases with repeated use.

The document concludes that the skin's immune system is complex, involving interactions with hair follicles, nerves, and microbes, and can protect or cause disease, offering targets for new treatments.