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Aging causes hair loss and graying due to stem cell decline and changes in cell behavior and communication.

Adding insulin-like growth factor 1 and bone marrow-derived stem cells to a collagen-chitosan scaffold helps wounds heal faster and regrows hair follicles.

The fascial layer is a promising new target for wound healing treatments using biomaterials.

Adult mice can grow new hair from skin wounds.

Mesenchymal stem cells show promise for treating various skin conditions and may help regenerate hair.

Reflectance spectroscopy can noninvasively track hair growth stages by measuring skin reflectance and melanin changes.

ADM scaffolds help skin heal by promoting a healing-type immune response.

Aging mice have slower hair regeneration due to changes in signal balance, but the environment, not stem cell loss, controls this, suggesting treatments could focus on environmental factors.

Enzymes called PADIs play a key role in hair growth and loss.

The new wound dressing helps heal burn wounds and regrow hair by releasing beneficial ions.

miRNA-based therapies show promise for treating skin diseases, including hair loss, in animals.

Skin cells release substances important for healing and fighting infection, and understanding these could improve skin disorder treatments.

Electrospun nanofibers show promise for enhancing blood vessel growth in tissue engineering but need further research to improve their effectiveness.

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

Aging reduces skin stem cell function, leading to changes like hair loss and slower wound healing.

Thymic stromal lymphopoietin (TSLP) promotes hair growth, especially after skin injury.

Adult vibrissa follicle stem cells can regenerate hair follicles, glands, and skin.

Stem cells in the hair follicle are regulated by their surrounding environment, which is important for hair growth.

VEGFR-2 is active in hair follicles, sebaceous glands, sweat glands, and skin on the human scalp.

Mesenchymal Stem/Stromal Cells (MSCs) help in wound healing and tissue regeneration, but can also contribute to tumor growth. They show promise in treating chronic wounds and certain burns, but their full healing mechanisms and potential challenges need further exploration.

Special particles from skin cells can promote hair growth by activating a specific growth signal.

New hair loss treatments have evolved from understanding hair biology and patient needs.

Bioprinting could greatly improve health outcomes but faces challenges like material choice and ensuring long-term survival of printed tissues.

Stem cell therapy shows promise in improving burn wound healing.

Hair growth and health are influenced by factors like age, environment, and nutrition, and are controlled by various molecular pathways. Red light can promote hair growth, and understanding these processes can help treat hair-related diseases.

The conclusion is that understanding how hair follicle stem cells live or die is important for maintaining healthy tissue and repairing injuries, and could help treat hair loss, but there are still challenges to overcome.

FGF9 from certain T cells helps create new hair follicles during wound healing, which could potentially be used for hair loss treatments.

FGF9 from certain cells can trigger new hair growth during wound healing, but humans have fewer of these cells, which may limit hair regrowth.

Researchers found a new way to isolate sweat glands from the scalp for study and culture.

Estrogen replacement can improve skin health in menopausal women but doesn't reverse sun damage or prevent hair loss.