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Testosterone affects hair follicles differently across body sites, with beard hair follicles showing more activity of a specific enzyme and presence of androgen receptors compared to scalp hair.

Stem cells from hair follicles can safely treat hair loss.

Docosahexaenoic acid (DHA) may help hair growth by promoting dermal papilla cell proliferation.

The research identifies genes linked to wool quality in sheep and provides insights to improve wool production.

Sheep hair follicle cells can grow a lot but need the dermal papilla to do so.

Transplanted transected hair follicles can survive but grow at unsatisfactory rates and are thinner, suggesting limited potential for unlimited donor hair supply.

Researchers found specific genes in the part of hair follicles that could help treat hair disorders.

Nestin-expressing cells turn into a specific type of skin cell in hair follicles during development and in adults.

Rat hair-follicle stem cells can become heart cells with specific supplements.

Skin-derived stem cells grow faster and are easier to obtain than hair follicle stem cells, but both can become various cell types.

Nestin marks cells that can become a specific type of skin cell in hair follicles of both developing and adult mice.

Hair follicle size is mainly influenced by the number of cells and extracellular matrix volume, with cell number having a larger impact.

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

Scientists created a new cell line from Cashmere goat hair and found that cytokeratin 13 is a unique marker for certain skin cells.

Activin activation in skin cells speeds up wound healing without affecting scar quality.

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

Scientists found a way to grow human hair cells in a lab that can create new hair when transplanted.

Sox21 is crucial for tooth development and enamel formation by preventing cells from changing into a different type.

ECM molecules are crucial for hair growth and development.

Minoxidil promotes hair growth but exact mechanism is unknown.

EGF makes hair follicles grow longer but stops hair production.

Minoxidil boosts growth factor in hair cells, potentially promoting hair growth.

Fatp4 is crucial for healthy skin development and function.

Boosting β-catenin signaling in certain skin cells can enhance hair growth.

Scientists have found a way to create hair follicles from skin cells of newborn mice, which can grow and cycle naturally when injected into adult mouse skin.

Male hormones are important for hair and oil gland development and can cause conditions like excessive hair growth and acne.

The document concludes that using stem cells to regenerate hair follicles could be a promising treatment for hair loss, but there are still challenges to overcome before it can be used clinically.

Wool follicles can grow in a lab with the right nutrients and conditions.

Hair follicles can be used to quickly assess drug effects in cancer treatment.

Scientists created early-stage hairs from mouse cells that grew into normal, pigmented hair when implanted into other mice.