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Dogs could be good models for studying human hair growth and hair loss.

Cannabinoid receptor-1 signaling is essential for the survival and growth of human hair follicle stem cells.

New hair can grow from large wounds in mice, but less so as they age, involving reprogramming of skin cells and specific molecular pathways.

Restoring immune privilege in hair follicles could help treat certain types of hair loss.

The document concludes that hair loss is complex, affects many people, has limited treatments, and requires more research on its causes and psychological impact.

Skin structure complexity and variability are crucial for assessing skin toxicity in safety tests.

GRK2 is essential for healthy hair follicle function, and its absence can lead to hair loss and cysts.

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.

Intermediate hair follicles are a better model for studying hair growth and testing hair loss treatments.

Melanoblasts migrate to the skin using various pathways, and understanding this process could help with skin disease research.

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

The document concludes that specific cells are essential for hair growth and more research is needed to understand how to maintain their hair-inducing properties.

Thymosin β4 promotes hair growth by activating stem cells in hair follicles.

Hair follicle stem cells could help repair nerves and avoid ethical issues linked to embryonic stem cells.

Stem cells have great potential for improving wound healing, but more research is needed to find the best types and ways to use them.

Disrupting Smad4 in mouse skin causes early hair follicle stem cell activity that leads to their eventual depletion.

Hair loss in males involves inflammation, collagen buildup, and follicle damage, with severity increasing with age and baldness duration.

Scientists created a long-lasting stem cell line from human hair that can turn into different skin and hair cell types.

MED1 affects skin wound healing differently in young and old mice.

Canine epidermal neural crest stem cells could be a promising treatment for spinal cord injuries in dogs.

Using skin stem cells and certain molecules might lead to scar-free skin healing.

Hair follicle regeneration is possible but challenging, especially in humans, due to the need for specific cells and a better understanding of how they signal growth.

Sebaceous glands can heal and regenerate after injury using their own stem cells and help from hair follicle cells.

Nerve signals are crucial for hair follicle stem cells to become skin stem cells and help in wound healing.

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

Hair follicle stem cells and mitochondria are key for hair growth, and targeting their activity could lead to new hair loss treatments.

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

Keratin 15 is not a reliable sole marker for identifying epidermal stem cells because it's found in various cell types.

Meis1 is crucial for skin health and tumor development.

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