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

Basal cell carcinoma mostly starts from cells in the upper skin layers, not hair follicle stem cells.

Decorin helps keep hair follicle stem cells and may prevent age-related hair loss.

MicroRNA-205 helps hair grow by changing the stiffness and contraction of hair follicle cells.

Cutting hair follicles into pieces for transplantation results in poor growth and thinner hair, and the technique is more invasive than previously thought.

Collagen networks play a key role in hair loss and follicle miniaturization.

Melanocytes may trigger the immune response in alopecia areata, affecting hair regrowth.

The KNU implanter for hair transplants showed a high survival rate of 90%+ for transplanted hairs after 6 months, with benefits like natural hair direction and fewer scars.

Lgr5 is a marker for active, long-lasting stem cells in mouse hair follicles.

Overexpression of R-spondin 3 leads to sparse hair and impaired hair regeneration.

Hair follicle stem cells can help repair damaged nerves.

Hair growth is influenced by dynamic changes in hair follicle cells, which could help treat hair loss.

Hair graying is influenced by factors like nerves, fat cells, and immune cells, not just hair follicles.

HAP stem cells in hair follicles could help repair nerves and spinal cords.

Hair greying is linked to reduced ATM protein in hair cells, which protects against stress and damage.

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

Adult mice can grow new hair from skin wounds.

Skin stem cells in hair follicles are important for touch sensation.

ALRN-6924 may prevent hair loss caused by chemotherapy.

The research found specific signs to diagnose alopecia areata incognito and noted patients generally regrow hair after steroid treatment.

Skin lymphatic vessels are essential for hair growth.

Costunolide helps human hair cells grow and can stimulate hair growth in mice.

Milia may come from the outer part of the hair follicle.

Laser hair removal might also work by damaging blood vessels around hair follicles.

PRP treatment helps hair growth in most cases, but more research needed.

A substance from a specific gel helped to grow hair effectively in mice, suggesting it could potentially be used to treat hair loss in humans.

Blackcurrant extract may help reduce hair loss by promoting stem cell activity in hair follicles.

Ceramide Synthase 4 is essential for normal hair growth and preventing hair loss.

Mice can grow new hair follicles after skin wounds through a process not involving existing hair stem cells, but requiring more research to understand fully.

The document concludes that there is no agreed-upon best method for measuring drug delivery within hair follicles and more research is needed to validate current techniques.