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Androgens may cause hair loss by increasing TGF-beta1 from scalp cells, which inhibits hair cell growth.

Skin cells produce and activate vitamin D, which regulates skin functions and supports hair growth.

Researchers created human hair follicles using a new method that could help treat hair loss.

Certain mutations in a hair growth-related gene cause a type of genetic hair loss.

Regenerated fully functional hair follicles using stem cells, with potential for hair regrowth therapy.

Epidermal stem cells are diverse and vary in activity, playing key roles in skin maintenance and repair.

Latanoprost can make eyelashes longer, thicker, and darker.

Vitamin D and its receptor regulate skin functions like cell growth, immunity, hair cycle, and tumor prevention.

The dermal papilla is crucial for hair growth and health, and understanding it could lead to new hair loss treatments.

The Sonic hedgehog pathway is crucial for new hair growth during mouse skin healing.

Aging causes skin stem cells to work less effectively.

Over one-third of women experience hair loss, with female-pattern hair loss being most common, and treatments include minoxidil and possibly hair transplantation.

Probiotic bacteria improved skin and hair health in aged mice.

Dexamethasone speeds up hair loss in mice, while cyclosporin A slows it down.

Male pattern baldness involves hormones and cell signals affecting hair growth.

The telogen phase of hair growth is active and important for preparing hair follicles for regeneration, not just a resting stage.

Androgens have complex effects on hair growth, promoting it in some areas but causing hair loss in others, and our understanding of this is still evolving.

Stress increases a factor in mice that leads to hair loss, and blocking this factor may prevent it.

The document concludes that understanding the sebaceous gland's development and function is key to addressing related skin diseases and aging effects.

Chemotherapy often causes temporary hair loss, which is distressing and needs better treatment and support.

One minoxidil-sensitive potassium channel exists in human hair follicles.

A genetic change in the EDAR gene causes the unique hair traits found in East Asians.

The document concludes that adult mammalian skin contains multiple stem cell populations with specific markers, important for understanding skin regeneration and related conditions.

Notch/CSL signaling controls hair follicle differentiation through Wnt5a and FoxN1.

Certain genetic variations in the AR and ERβ genes can affect androgen levels in women.

Skin fat helps with body temperature control and has other active roles in health.

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

Female Pattern Hair Loss affects women's self-esteem and needs more research for better treatment.

Prolactin affects hair growth cycles and can cause early hair follicle regression.

The document concludes that accurate diagnosis of different types of hair loss requires careful examination of hair and scalp tissue, considering both clinical and microscopic features.