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Hair can regrow after certain stem cells are lost because other stem cells can take over their role.

Disrupted cholesterol production impairs hair follicle stem cells, leading to hair loss.

Different types of stem cells with unique roles exist in blood, skin, and intestines, and this variety is important for tissue repair.

Drosha and Dicer are essential for hair follicle health and preventing DNA damage in skin cells.

Research on epidermal stem cells has advanced significantly, showing promise for improved clinical therapies.

Gene therapy, especially using atoh1, shows promise for creating functional sensory hair cells in the inner ear, but dosing and side effects need to be managed for clinical application.

Dermal papillae cells, important for hair growth, come from multiple cell lines and can be formed by skin cells, regardless of their origin or hair cycle phase. These cells rarely divide, but their ability to shape tissue may contribute to their efficiency in inducing hair growth.

Cilostazol helps hair grow by making hair root cells grow faster and changing growth factor levels.

Keratin injections can promote hair growth by affecting hair-forming cells and tissue development.

Vav2 and Vav3 proteins help control skin stem cell numbers and activity in both healthy and cancerous cells.

Gata6 is important for protecting hair growth cells from DNA damage and keeping normal hair growth.

Capsaicin, found in chili peppers, can slow down hair growth by affecting skin cells and hair follicles.

Researchers successfully isolated and identified key markers of stem cell-enriched human hair follicle bulge cells.

The we/we wal/wal mice have defects in hair growth and skin layer formation, causing hair loss, useful for understanding alopecia.

Inactive stem cells in hair follicles and muscles can avoid detection by the immune system.

Stem cell plasticity is crucial for wound healing but can also contribute to cancer development.

Epidermal stem cells don't use gap junctions to communicate.

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

Placental growth factor may help treat hair loss.

The conclusion is that teeth, hair, and claws have similar stem cell niches, which are important for growth and repair, and more research is needed on their regulation and potential markers.

mTORC1 signaling needed for quick hair follicle recovery after radiation damage.

Mice with too much sPLA₂-IIA have hair loss and poor wound healing due to abnormal hair growth and stem cell depletion.

Runx genes are important for stem cell regulation and their roles in aging and disease need more research.

The document concludes that more research is needed to understand airway repair and to improve tissue engineering for lung treatments.

c-Myc activation in mouse skin increases sebaceous gland growth and affects hair follicle development.

Mice with human skin protein K8 had more skin problems and cancer.

α3β1-integrin is crucial for maintaining normal hair follicle shape and function but not needed for the development of the surrounding skin.

SIRT7 protein is crucial for starting hair growth in mice.

Krt15+ cells in the mouse intestine resist radiation and can start tumors.

The conclusion is that skin and hair patterns are formed by a mix of cell activities, molecular signals, and environmental factors.