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Human hair follicle stem cells can turn into multiple cell types but lose some of this ability after being grown in the lab for a long time.

Wnt signaling is crucial for skin and hair development and its disruption can cause skin tumors.

Progress has been made in skin and nerve regeneration, but more research is needed to improve methods and ensure safety.

Exosomes from dermal papilla cells help hair growth by making hair follicle stem cells multiply and change.

PRP and HF-MSCs treatment improves hair growth, thickness, and density in androgenetic alopecia.

FFA's causes may include environmental triggers and genetic factors.

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

Msx2 and Foxn1 are both crucial for hair growth and health.

PRP injections may be a safe, effective alternative for hair loss treatment compared to minoxidil and finasteride.

Skin fat has important roles in hair growth, skin repair, immune defense, and aging, and could be targeted for skin and hair treatments.

Hedgehog signaling helps keep hair follicle stem cells the same in both young and old human skin.

PRP treatment may stimulate hair growth by promoting blood vessel formation, increasing growth factors, and preventing cell death.

Smad-4 and Smad-7 are key in hair follicle development, with other Smads being less important.

Activating Nrf2 protects human hair follicles from oxidative stress and helps prevent hair growth inhibition.

Skin stem cells maintain and repair the outer layer of skin, with some types being essential for healing wounds.

Two-photon microscopy helps observe hair follicle stem cell behaviors in mice.

Activating β-catenin in different skin stem cells causes various types of hair growth and skin tumors.

Wnt10b makes hair follicles bigger, but DKK1 can reverse this effect.

miR-22, a type of microRNA, controls hair growth and its overproduction can cause hair loss, while its absence can speed up hair growth.

Hair follicles offer promising targets for delivering drugs to treat hair and skin conditions.

New alopecia treatments aim for better results and fewer side effects.

Injecting a special gel with human protein particles can help hair grow.

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.

New understanding of the causes of primary cicatricial alopecia has led to better diagnosis and potential new treatments.

Autophagy is important for human hair growth and health.

The conclusion is that we need more effective hair loss treatments than the current ones, and these could include new drugs, gene and stem cell therapy, hormones, and scalp cooling, but they all need thorough safety testing.

Micrografts improve hair density and thickness without side effects.

Hair follicle regeneration in skin grafts may be possible using stem cells and tissue engineering.

Hair follicle stem cells are a practical and ethical option for nerve repair in regenerative medicine.

Caffeine applied to the scalp can protect hair follicles from UV damage.