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Stem cell niches are crucial for regulating stem cell behavior and tissue health, and their decline can impact aging and cancer.

The secretome from mesenchymal stem cells is a promising treatment that may repair tissue and avoid side effects of stem cell transplantation.

Stem cell offspring help control their parent stem cells, affecting tissue health, healing, and cancer.

Tiny pollution particles called PM2.5 can harm skin cells by causing stress, damage to cell parts, and cell death.

Artificial skin development has challenges, but new materials and understanding cell behavior could improve tissue repair. Also, certain growth factors and hydrogel technology show promise for advanced skin replacement therapies.

Keratose, derived from human hair, is a non-toxic biomaterial good for tissue regeneration and integrates well with body tissues.

Different types of stem cells with unique roles exist in blood, skin, and intestines, and this variety is important for tissue repair.

Matriptase is crucial for keeping epithelial tissues healthy and functioning properly.

Exosomes could potentially enhance tissue repair and regeneration with lower rejection risk and easier production than live cell therapies.

Keratin from human hair shows promise for medical uses like wound healing and tissue engineering.

Tiny particles from stem cells help activate hair growth cells and encourage hair growth in mice without being toxic.

Blocking the Wnt pathway could lead to new treatments for cancer and tissue repair but requires careful development to avoid side effects.

Pseudofolliculitis barbae is a chronic skin condition affecting mainly African American and Hispanic individuals, caused by shaving tightly curled hair, and managed by prevention and treatment but not curable.

The circadian clock is crucial for tissue renewal and regeneration, affecting stem cell functions and having implications for health and disease.

The DNA hydrogel helps heal diabetic wounds by absorbing fluids, warming, sticking to tissue, killing bacteria, and aiding tissue and hair regrowth.

Human hair follicle stem cells can turn into multiple cell types but lose some of this ability after being grown in the lab for a long time.

Tiny needles with valproic acid can effectively regrow hair.

Combining DHT and EDC improves the strength and stability of PADM scaffolds for tissue engineering.

Tight hairstyles and chemical relaxers can cause hair loss known as traction alopecia.

Burn reconstruction improves with new techniques, materials, and tissue engineering.

LL-37 helps stem cells grow and move, aiding tissue regeneration and hair growth.

RADA16 is a promising material for tissue repair and regenerative medicine but needs improvement in strength and cost.

Hair follicle regeneration in skin grafts may be possible using stem cells and tissue engineering.

Tiny particles called extracellular vesicles could help with skin healing and hair growth, but more research is needed.

Tiny particles carrying roxithromycin can effectively target and deliver the drug to hair follicles without irritation.

The hydrogel speeds up burn wound healing and promotes tissue regeneration.

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.

Tight hairstyles, especially on chemically treated hair, can cause reversible hair loss if caught early but may become permanent if not addressed.

Tiny particles from brain cells help hair grow by targeting a specific hair growth pathway.

Platelet-derived bio-products help in wound healing and tissue regeneration but lack standardized methods, and their use in medicine is growing.