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Skin and hair renewal is maintained by both fast and slow cycling stem cells, with hair regrowth primarily driven by specific stem cells in the hair follicle bulge. These cells can also help heal wounds and potentially treat hair loss.

Changing CDK4 levels affects the number of stem cells in mouse hair follicles.

Dermal fibroblasts have adjustable roles in wound healing, with specific cells promoting regeneration or scar formation.

Skin lesions in Carney Complex are caused by a gene change in some skin cells that leads to increased pigmentation and may lead to tumors.

Certain immune cells in the skin release a protein that stops hair growth by keeping hair stem cells inactive.

Both induced and spontaneous AA lymphocytes can cause alopecia areata in mice.

The method allows for 3D tracking of hair follicle stem cells and shows they can regenerate hair for up to 180 days.

Lgr5 is a marker for active, self-renewing stem cells in the intestine and skin, important for tissue maintenance.

Skin development in mammals is controlled by key proteins and signals from underlying cells, involving stem cells for maintenance and repair.

Dermal stem cells help regenerate hair follicles and heal skin wounds.

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

New single-cell analysis techniques are improving our understanding of stem cells and could help in treating diseases.

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

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.

PDGF signaling is crucial for maintaining and renewing hair follicle stem cells, which could help treat hair loss.

Androgens affect bone and fat cell development differently based on the cells' embryonic origin.

The document concludes that understanding how the skin's immune system and inflammation work is complex and requires more research to improve treatments for skin diseases.

The skin has a complex immune system that is essential for protection and healing, requiring more research for better wound treatment.

Stem cells are crucial for skin repair and new treatments for chronic wounds.

Different types of stem cells in hair follicles play unique roles in wound healing and hair growth, with some stem cells not originating from existing hair follicles but from non-hair follicle cells. WNT signaling and the Lhx2 factor are key in creating new hair follicles.

TGF-β signaling is crucial for stem cell maintenance, differentiation, and has implications for cancer treatment.

Macrophages help heal nerves by aiding the maturation of Schwann cells and are important for nerve repair.

Keratin 79 marks a new group of cells that are key for creating and repairing the hair follicle's structure.

Live imaging has advanced our understanding of stem cell behavior and raised new research questions.

Different types of skin cells are organized in a special way in large wounds to help with healing and hair growth.

Hair follicle stem cells and skin cells show promise for hair and skin therapies but need more research for clinical use.

Hair can regrow in large wounds through a process similar to how hair forms in embryos, and understanding this could lead to new treatments for hair loss or scarring.

The review found that different stem cell types in the skin are crucial for repair and could help treat skin diseases and cancer.

Aging scalp skin contributes to hair aging and loss, and more research is needed to develop better hair loss treatments.

Stem cells can help regenerate hair follicles.