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Stem cells and their exosomes show promise for repairing tissues and healing wounds when delivered effectively, but more research is needed on their tracking and optimal use.

Wounds heal without scarring in early development but later result in scars, and studying Wnt signaling could help control scarring.

M2 macrophages help hair regrowth in wounds by making growth factors.

Injecting alpha-melanocyte-stimulating hormone in mice improved skin healing and reduced scarring.

The SA-MS hydrogel is a promising material for improving wound healing and skin regeneration in diseases like diabetes and skin cancer.

The new hydrogel is good for wound dressing because it absorbs water quickly, has high porosity, can release drugs, fights bacteria, and helps wounds heal with less scarring.

Softer hydrogels help wounds heal better with less scarring.

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.

Glycoconjugates help heal hair follicles during skin repair.

Wounds on the face usually heal with scars, but understanding how some wounds heal without scars could lead to better treatments.

Horse skin stem cells combined with platelet-rich plasma improve skin healing.

Using blood-based implants improves skin healing and reduces scarring.

The gel with icariin speeds up wound healing, reduces scarring, and helps hair growth by controlling BMP4 signaling. It also reduces inflammation and improves wound quality in mice, adapts to different wound shapes, and gradually releases icariin to aid healing. It also prevents too much collagen and myofibroblast formation during skin healing.

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 skin's microbiome helps hair regrow by boosting certain cell signals and metabolism.

The Wnt/β-catenin signaling pathway is important for skin wound healing and affects inflammation, cell growth, and other healing processes.

Blocking β-catenin in skin cells improves hair growth during wound healing.

The hydrogel quickly stops bleeding and helps heal infected wounds.

Vitamin D and calcium are important for skin stem cell function and wound healing.

Mast cells likely promote skin scarring and fibrosis, but their exact role is still unclear.

The biofilm-dispersing wound gel helps wounds heal faster and prevents infection.

Spirulina extract and C-phycocyanin may help heal wounds.

Helminth protein helps wounds heal better by reducing scarring and promoting tissue growth.

Modifying certain signals in the body can help wounds heal without scars and regrow hair.

Tiny particles from skin cells can help grow new hair by activating a specific growth signal during skin healing.

Bone-marrow and epidermal stem cells help heal wounds differently, with bone-marrow cells aiding in blood vessel formation and epidermal cells in hair growth.

IL-36α helps in growing new hair follicles when healing wounds, potentially aiding in hair growth.

The gelatin/β-TCP scaffold with nanoparticles improves wound healing and skin regeneration.

Some brain cancer cells avoid immune system detection, and certain treatments could target this to slow their growth; also, certain fat cell precursors help regenerate hair and skin after injury.

The document concludes that better targeted treatments are needed for wound healing, and single-cell technologies may improve cell-based therapies.