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Implanted special stem cells from hair follicles helped heal wounds faster and with less scarring in mice.

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

Skin problems like excessive hair growth, acne, and dark skin patches can be signs of Polycystic Ovarian Disease, which may also be linked to family history and a risk for diabetes.

Activating Nrf2 helps wounds heal faster by increasing hair follicle stem cells.

Targeted therapy for skin cancer is complex due to the role of the hedgehog pathway in both cancer and hair growth.

Certain miRNAs might be involved in a hair loss condition called frontal fibrosing alopecia and could possibly help in its diagnosis.

Sarcoidosis can cause various skin issues, making diagnosis difficult.

Fractional infrared technology is effective and safe for treating cervical laxity.

Various drugs caused different skin reactions, including allergic and inflammatory responses.

Skin symptoms are important for diagnosing infections in children.

Skin issues can indicate immune system problems.

The article concludes that schoolchildren and adolescents experienced various skin issues during the COVID-19 pandemic, including acne from masks and other skin reactions from the virus and vaccines.

Skin may help in getting rid of excess iron through the process of skin cell renewal.

Cyclooxygenase-2 overexpression in mice skin causes hair loss like human androgenetic alopecia.

African spiny mice can regenerate skin, hair, and cartilage, but not muscle, and their unique abilities could be useful for regenerative medicine.

Human skin can make serotonin and melatonin, which help protect and maintain it.

Some drugs can cause rare but potentially deadly skin reactions, and early treatment and avoiding the drug again are key.

The immune system plays a key role in tissue repair, affecting both healing quality and regenerative ability.

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

Regulatory T-cells are important for healing and regenerating tissues in various organs by controlling immune responses and aiding stem cells.

Memory regulatory T cells need IL-7, not IL-2, to stay in peripheral tissues.

Damage to skin releases dsRNA, which activates TLR3 and helps in skin and hair follicle regeneration.

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

The article concludes that the wool follicle is a valuable model for studying tissue interactions and has potential for genetic improvements in wool production.

New nanocomposites with copper show promise for healing burn wounds and regenerating skin.

Menopause reduces skin collagen and elasticity, and while estrogen therapy can help, its risks require careful consideration.

Electrospun nanofibers show promise for enhancing blood vessel growth in tissue engineering but need further research to improve their effectiveness.

Tissue-resident memory T cells can protect against infections and cancer but may also contribute to autoimmune diseases.

The document concludes that for hair and feather growth, it's better to target the environment around stem cells than the cells themselves.

Hair follicle stem cells are a promising source for tissue repair and treating skin or hair diseases.