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Wnt ligands are crucial for hair growth and repair.

Epidermal stem cells are diverse and vary in activity, playing key roles in skin maintenance and repair.

The document concludes that more research is needed to better understand and treat primary cicatricial alopecias, and suggests a possible reclassification based on molecular pathways.

The Sonic hedgehog pathway is crucial for new hair growth during mouse skin healing.

Skin aging is due to impaired stem cell mobilization or fewer responsive stem cells.

Stem cell therapy, particularly using certain types of cells, shows promise for treating hair loss by stimulating hair growth and development, but more extensive trials are needed to confirm these findings.

Human hair follicle organ culture is a useful model for hair research with potential for studying hair biology and testing treatments.

The telogen phase of hair growth is active and important for preparing hair follicles for regeneration, not just a resting stage.

Cytokeratin 19 and cytokeratin 15 are key markers for monitoring the quality and self-renewing potential of engineered skin.

The document concludes that while significant progress has been made in understanding skin biology and stem cells, more research is needed to fully understand their interactions with their environment.

The sebaceous gland has more roles than just producing sebum and contributing to acne, and new research could lead to better skin disease treatments.

A WNT10A gene mutation leads to ectodermal dysplasia by disrupting cell growth and differentiation.

Stem cells from hair follicles can safely treat hair loss.

The skin protects the body and is constantly renewed by stem cells; disruptions can lead to cancer.

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

New methods have greatly improved our understanding of stem cell behavior and roles in the body.

Muscles and nerves that cause goosebumps also help control hair growth.

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

Inactive hair follicle stem cells help prevent skin cancer.

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

Hair follicle stem cells are a promising source for tissue repair and treating skin or hair diseases.

Epidermal stem cells could lead to new treatments for skin and hair disorders.

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

Light can turn on hair growth cells through a nerve path starting in the eyes.

Certain signals and genes play a key role in hair growth and regeneration, and understanding these could lead to new treatments for skin regeneration.

EdnrB signaling helps melanocyte stem cells regenerate and could be targeted to treat pigmentation issues.

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

Brain hormones significantly affect hair color and could potentially be used to prevent or reverse grey hair.

Scarring alopecia affects different hair follicle stem cells than nonscarring alopecia, and the infundibular region could be a new treatment target.

Brg1 is crucial for hair growth and skin repair by maintaining stem cells and promoting regeneration.