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Some stem cells in the body rarely divide, which could help create better treatments for diseases and aging.

Keratin protein production in cells is controlled by a complex system that changes with cell type, health, and conditions like injury or cancer.

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

The model helps understand how wool fiber structure affects its strength and flexibility.

Stem cells regenerate tissues and their behavior varies by environment, suggesting the hematopoietic system model may need revision.

Epidermal stem cells have potential for personalized regenerative medicine but need careful handling to avoid cancer.

The review concludes that innovations in regenerative medicine, tissue engineering, and developmental biology are essential for effective tissue repair and organ transplants.

Myoblast transplantation shows promise for treating various muscle and heart conditions.

The document concludes that pig iPSCs show promise for transplant therapies and the field is advancing in controlling cell behavior for biology and medicine.

Conditioned media from mesenchymal stem cell cultures could be a more effective alternative for regenerative therapies, but more research is needed.

Exosomes show promise for tissue repair and regeneration with advantages over traditional cell therapies.

Humans have limited regenerative abilities, but new evidence shows the adult brain and heart can regenerate, and future treatments may improve this by mimicking stem cell environments.

Dermal EZH2 controls skin cell development and hair growth in mice.

Dermal EZH2 controls skin cell growth and differentiation in mice.

Both vitiligo and alopecia areata involve an immune response triggered by stress and specific genes, with treatments targeting this pathway showing potential.

Houttuynia cordata extract may help hair grow by improving cell survival and increasing cell growth.

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.

mTORC1 activity is important for hair growth and color, and targeting it could help treat hair loss and greying.

Chitosan nanofiber scaffolds improve skin healing and are promising for wound treatment.

Plasmacytoid dendritic cells are a key factor in causing hair loss in alopecia areata and could help differentiate it from other hair loss conditions.

Further research is needed to improve hair regeneration using stem cells and nanomaterials.

Nail stem cells and Wnt signaling are important for fingertip regeneration but not sufficient for regenerating more complex limb structures.

5α-reductase is essential for male sexual development and its inhibitors have potential in treating various conditions related to hormone action.

Using defensins to activate stem cells may improve skin aging signs without causing inflammation.

Ezh2 controls skin development by balancing signals for dermal and epidermal growth.

Thyroid diseases may contribute to autoimmune skin diseases, and more research is needed on their relationship.

Melatonin is important for skin health and protection, and can be made by the skin or applied to it.

Prostaglandin E2 affects human platelet activity in complex ways that could lead to personalized heart disease treatments.

TLR3 signaling enhances the immunosuppressive properties of human periodontal ligament stem cells.

Reductive stress messes up collagen balance and alters cell signaling in human skin cells, which could help treat certain skin diseases.