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Overexpression of activin A in mice skin causes skin thickening, fibrosis, and improved wound healing.

Artificial skin development has challenges, but new materials and understanding cell behavior could improve tissue repair. Also, certain growth factors and hydrogel technology show promise for advanced skin replacement therapies.

Lecithin organogels could be good for applying drugs to the skin because they are stable, safe, and can improve drug absorption.

Calcium affects where root hairs grow, but other unknown factors determine their growth direction.

The virus was not found in the semen and urine of a man who tested positive for COVID-19.

Lifestyle changes can improve body composition, excess male hormone levels, and insulin resistance in women with PCOS.

Genetic variation in the androgen receptor gene mainly causes early-onset hair loss, with maternal inheritance playing a key role.

The ZIP7 gene helps control zinc levels in cells by moving zinc from the Golgi apparatus to the cytoplasm.

The document concludes that developing generic topical drugs requires ensuring they match the original in quality, composition, and structure, and often involves complex testing and regulatory steps.

Men are more likely to have severe COVID-19 cases and fatalities than women due to factors like lifestyle, aging, and biological differences.

Androgens can help prevent memory problems caused by apoE4.

Different types of skin cells have unique genetic markers that affect how likely they are to spread cancer.

Epidermal stem cells are diverse and vary in activity, playing key roles in skin maintenance and repair.

Fibromodulin might help reduce scarring if increased in adult wounds like in fetal skin that heals without scars.

Minoxidil sulfate stimulates hair growth.

Scientists made working salivary glands in mice using bioengineered cells, which could help treat dry mouth.

Stem cell niches support, regulate, and coordinate stem cell functions.

The new "differential stripping" method effectively measures how much substance gets into hair follicles.

Estrogens significantly influence hair growth by interacting with receptors in hair follicles and may help regulate the hair growth cycle.

Chemotherapy-induced hair loss significantly affects patients' well-being, and nurses are key in helping them cope, but more research is needed to find effective treatments.

Androgens can cause hair growth in some areas and hair loss on the scalp.

Tight junctions are key for skin protection and controlling what gets absorbed or passes through the skin.

Humans lost body hair relatively recently in evolution.

Nanoparticles improve drug delivery through the skin but more research is needed on their long-term effects and skin penetration challenges.

Peptide hydrogels heal burn wounds faster and better than standard dressings.

Estrogen therapy can reduce skin aging but has cancer risks.

Silver can help prevent and treat infections but its effectiveness varies and should be weighed against costs and side effects.

Laser hair removal effectiveness depends on targeting hair structures without harming the skin, and improvements require more research and expert collaboration.

The dermal papilla is crucial for hair growth and health, and understanding it could lead to new hair loss treatments.

Comma hairs are a specific sign of tinea capitis when viewed with videodermatoscopy.