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The conclusion is that the cornea has two types of stem cells, with Lrig1+ cells being key for renewal in aging corneas, independent of CD44.

New treatments for skin and hair repair show promise, but further improvements are needed.

A protein called desmoglein 3 is important for keeping hair follicle stem cells inactive and helps in their regeneration.

Adult stem cells with Tp63 can form hair and skin cells when placed in new skin, showing they have hidden abilities for skin repair.

Stem cell self-renewal is complex and needs more research for full understanding.

Asia has made significant progress in tissue engineering and regenerative medicine, but wider clinical use requires more development.

Cell-based therapies show promise for treating Limbal Stem Cell Deficiency but need more research.

Adipose-derived stem cells can help repair and improve eye tissues and appearance.

Epithelial stem cells are crucial for tissue renewal and repair, and understanding them could improve treatments for damage and cancer.

Nanoparticles show promise for better wound healing, but more research is needed to ensure safety and effectiveness.

A two-step method was created in 2015 to make more cells that help with hair growth, but they need to be combined with other cells for 4 days to actually form new hair.

Stromal stem cells may help heal wounds by becoming structural cells or affecting the immune system, but more research is needed to understand how.

Insulin helps heal corneal wounds and nerves in diabetic mice by activating the Wnt signaling pathway.

Chitosan hydrogels are promising for repairing blood vessels but need improvements in strength and compatibility.

Platelet-rich plasma therapy may have benefits and is generally safe, but more research is needed to confirm its effectiveness and safety.

PDRN helps repair tissue and improve wound healing with a high safety profile.

Hydrogel composites have great potential in regenerative medicine, tissue engineering, and drug delivery.

Most vertebrates can regenerate skin, nails, and corneas, but only some can regenerate teeth and lenses.

Japanese researchers created new hair follicles from human cells that grew hair when put into mice, and other findings showed a link between eye disease severity and corneal thickness, gene mutations affecting hearing and touch, and the safety of the shingles vaccine for adults over 50.

Wnt7a protein is crucial for development and tissue maintenance and plays varying roles in diseases and potential treatments.

Wnt signaling is crucial for pigmented hair regeneration by controlling stem cell activation and differentiation.

Nerves are crucial for the regeneration of various body parts in many animals.

Biomaterials with MSC-derived substances could improve tissue repair and have advantages over direct cell therapy.

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

LGR5 helps maintain corneal cell characteristics and prevents unwanted changes by controlling specific cell signaling pathways.

Chitosan/LiCl composite scaffolds help heal deep skin wounds better.

The shape of fibrous scaffolds can improve how stem cells help heal skin.

Deer antler stem cell fluid helps regenerate tissue better than fat-derived stem cell fluid.

Using gelatin sponges for deep skin wounds helps bone marrow cells repair tissue without scarring.

The skin and mucous membranes can regenerate over the basement membrane after damage, using nearby surviving cells.