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The skin protects the body and is constantly renewed by stem cells; disruptions can lead to cancer.

Feather growth and regeneration involve complex patterns, stem cells, and evolutionary insights.

Skin development in mammals is controlled by key proteins and signals from underlying cells, involving stem cells for maintenance and repair.

An imbalanced gut and lack of biotin can cause hair loss in mice.

The conclusion is that tissue structure is key for stem cell communication and maintaining healthy tissues.

Certain steroids in the brain affect mood and symptoms of depression, and treatments targeting these steroids show promise for improving these symptoms.

Smart biomaterials that guide tissue repair are key for future medical treatments.

Stress hormone corticosterone blocks a growth factor to slow down hair stem cell activity and hair growth.

SHISA6 helps maintain certain stem cells in mouse testes by blocking signals that would otherwise cause them to differentiate.

Japanese women typically start experiencing hair loss after 40, with reduced hair density and thickness being the main factors.

Wnt signaling is crucial for skin and hair development and its disruption can cause skin tumors.

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

Air pollution (PM10) increases skin inflammation and aging by reducing collagen and may trigger a repair response in skin cells.

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

Certain bacteria and fungi are linked to healthy scalps and dandruff, suggesting that the scalp's microbial balance affects its health.

The p53 protein has complex, sometimes contradictory functions, including tumor suppression and promoting cell survival.

Liraglutide caused significant weight loss in some obese women with PCOS, especially those with severe obesity and insulin resistance.

Wnt1a-conditioned medium from stem cells helps activate cells important for hair growth and can promote hair regrowth.

The study found that immune responses disrupt hair growth cycles, causing hair loss in alopecia areata.

There is no clear recommendation for using selenium in cancer patients; it may be beneficial to correct low selenium levels before treatment.

Low-level laser therapy is safe and can increase hair growth for male and female pattern hair loss.

Environmental factors at different levels control hair stem cell activity, which could lead to new hair growth and alopecia treatments.

Researchers found 15 new genetic links to skin traits in Japanese women.

The flexible fixed-sequence testing method allows for more effective evaluation of multiple goals in a clinical trial while controlling the risk of false positives.

Human hair contains diverse proteins, including keratins and histones, which could help assess hair health and aging.

miR-22, a type of microRNA, controls hair growth and its overproduction can cause hair loss, while its absence can speed up hair growth.

Researchers created rat liver stem cells that could help repair liver failure in rats and may be useful for studying human liver diseases.

Wnt signaling is important for development and cell regulation but can cause diseases like cancer when not working properly.

A new mutation in the STING protein causes a range of symptoms and its severity may be affected by other genetic variations; treatment with a specific inhibitor showed improvement in one patient.

The study found that family history, personal history of adolescent acne, no pregnancies, hirsutism, office work, stress, and low intake of fruits/vegetables and fish are risk factors for adult female acne.