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Hair transplant surgery can rebuild muscle and nerve connections, allowing transplanted hairs to stand up like normal hairs.

Different ectodermal organs like hair and feathers regenerate differently, with specific stem cells and signals involved in their growth and response to the environment.

Fat-derived stem cells show promise for skin repair and reducing aging signs but need more research for consistent results.

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

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

Intestinal stem cells can help repair skin damage from radiation.

Environmental factors at different levels control hair stem cell activity, which could lead to new hair growth and alopecia treatments.

The protein StAR is found in 17 different organs and can affect hair loss and brain functions, but its full role is not yet fully understood.

The document concludes that dermal papilla cells are key for hair growth and could be used in new hair loss treatments.

Proteins like aPKC and PDGF-AA, substances like adenosine and ATP, and adipose-derived stem cells all play important roles in hair growth and health, and could potentially be used to treat hair loss and skin conditions.

Keratoacanthoma comes from hair follicle cells.

Melanocytes are diverse cells important for pigmentation and skin health, influenced by genetics and environment.

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.

Pig skin cells can turn into mesodermal cells but lose their ability to become neural cells.

Stressed fibroblasts greatly increase melanin production in hair, skin, and eye cells, mainly due to a growth factor called bFGF.

The conclusion is that hair growth can be improved by activating hair cycles, changing the surrounding environment, healing wounds to create new hair follicles, and using stem cell technology.

Hair growth is influenced by various body and external factors, and neighboring hairs communicate to synchronize regeneration.

Stem cell technologies and regenerative medicine, including platelet-rich plasma, show promise for hair restoration in treating hair loss, but more research is needed.

New treatments for hair loss, fertility, and wound healing are being explored.

Skin cell-derived vesicles can help heal skin injuries effectively.

The document concludes that the immune-inhibitory environment of the hair follicle may prevent melanoma development.

There are many treatments for permanent hair loss disorders, but their effectiveness varies and there's no clear best option.

Probiotic bacteria improved skin and hair health in aged mice.

Skin problems can be caused or worsened by physical forces and pressure on the skin.

MicroRNAs are important for skin health and could be targets for new skin disorder treatments.

The document concludes that understanding hair follicles requires more research using computational methods and an integrative approach, considering the current limitations in hair treatment products.

Aging changes hair stem cells and their environment, leading to gray hair and hair thinning, but understanding these changes could help develop treatments for hair regeneration.

Hair follicle stem cells can become different cell types and may help treat neurodegenerative disorders.

LGR5 is a common marker of hair follicle stem cells in different animals and is important for hair growth and regeneration.

Alopecia areata is an autoimmune disease where T cells attack hair follicles.