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

Keratin hydrogel from human hair helps rats recover better from spinal cord injuries.

Adipose-derived stem cells help heal burns but need more research.

Rat whisker cells can help turn other cells into nerve cells and might be used to treat brain injuries or diseases.

An elderly man with dementia suffered limb damage from rubber bands around his leg, highlighting the need for careful monitoring to prevent such injuries.

Skin stem cells remember past inflammation, helping them respond better to future injuries and possibly aiding in treating skin issues.

The document provides a comprehensive index of medical and surgical topics, including hair removal, hair restoration, and various treatments for injuries and conditions.

Changing the environment around stem cells could help tissue repair, but it's hard to be precise and avoid side effects.

Fat-derived stem cells, platelet-rich plasma, and biomaterials show promise for healing chronic skin wounds and improving soft tissue with few side effects.

Platelet lysate is a promising, cost-effective option for regenerative medicine with potential clinical applications.

Understanding scalp anatomy is crucial for successful and safe scalp surgery.

Deoxycholic acid is effective for reducing chin fat but can cause side effects and serious complications, so careful patient evaluation is needed.

Most spinal cord injury patients in Korea experience skin problems, especially fungal infections and eczema, affecting their quality of life.

Some COVID-19 patients have different skin problems, which might be the only sign of the virus or related to other health issues.

Elderly men with a scalp condition healed in about 26 days using specific creams and dressings, with no return of the condition in 6 months.

COVID-19 may lead to severe skin necrosis without clear underlying causes, as seen in a diabetic patient who required leg amputation.

Microneedling is an effective way to treat hair loss from androgenetic alopecia.

Combining platelet-rich plasma injections and gel may effectively treat morphea, improving skin elasticity and reducing pain.

Many women experience sexual dysfunction, but few seek help, and better treatment and medical training are needed.

Understanding the scalp's five-layer structure is crucial for better surgical outcomes and fewer complications.

Manage hair loss from trauma with scalp expansion, advancement flaps, and hair transplantation.

The document concludes that while some organisms can regenerate body parts, mammals generally cannot, and cancer progression is complex, involving mutations rather than a strict stem cell hierarchy.

The volumes provide comprehensive guidance on aesthetic and reconstructive head and neck surgery.

Stem cell therapy, particularly using certain types of cells, shows promise for treating hair loss by stimulating hair growth and development, but more extensive trials are needed to confirm these findings.

Sericin hydrogels heal skin wounds well, regrowing hair and glands with less scarring.

Epidermal stem cells show promise for treating orthopedic injuries and diseases.

Human hair follicle stem cells help repair tendon injuries.

Platelet-rich plasma (PRP) shows no significant benefit for bone and soft-tissue injuries or wound healing, and its effectiveness may improve with customization.

Future research should focus on making bioengineered skin that completely restores all skin functions.

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.