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Experts agree on the need for standardized definitions and education for post-COVID-19 conditions.

Hdac1 and Hdac2 help maintain and protect the cells that control hair growth.

The document explains hair and nail biology, common hair loss conditions and treatments, oral and genital skin diseases, and the risks and treatments associated with squamous cell carcinoma.

The document concludes that alopecia has significant social and psychological effects, leading to a market for hair loss treatments.

Alopecia in animals can be hereditary, congenital, or acquired, with treatments and outcomes varying widely.

Dermal stem cells help regenerate hair follicles and heal skin wounds.

Mice without the vitamin D receptor have bone issues and other health problems, suggesting vitamin D is important for preventing various diseases in humans.

Removing the ATR gene in adult mice causes rapid aging and stem cell loss.

TGF-β is crucial for tissue repair and can cause diseases if not properly regulated.

Insulin resistance and obesity are key factors in the development and worsening of polycystic ovary syndrome, and lifestyle changes are important for managing it.

Alopecia areata is likely an autoimmune disease with unclear triggers, involving various immune cells and molecules, and currently has no cure.

Wnt signaling controls whether hair follicle stem cells stay inactive or regenerate hair.

Blocking COX, especially COX-2, in the skin can reduce inflammation and pain and may help prevent skin cancer.

Hair follicle stem cells are key for hair and skin regeneration, can be reprogrammed, and have potential therapeutic uses, but also carry a risk of cancer.

TGF-β is crucial for controlling stem cell behavior and changes in its signaling can lead to diseases like cancer.

Alopecia areata is an autoimmune disease causing patchy hair loss, often with other autoimmune disorders, but its exact causes are unknown.

Skin aging is due to impaired stem cell mobilization or fewer responsive stem cells.

The document concludes that specific cells are essential for hair growth and more research is needed to understand how to maintain their hair-inducing properties.

The document concludes that understanding hair structure is key to diagnosing hair abnormalities and recommends gentle hair care for management.

Hair follicles are hormone-sensitive and involved in growth and other functions, with potential for new treatments, but more research is needed.

Nanoparticles can improve skin treatments by better targeting hair follicles, but more research is needed for advancement.

The circadian clock is crucial for tissue renewal and regeneration, affecting stem cell functions and having implications for health and disease.

The document concludes that rapid identification, isolation, and strict infection control are crucial to manage SARS outbreaks.

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

Certain genes control the color of human hair by affecting pigment production.

Certain mice without specific receptors or mast cells don't lose hair from stress.

Toxic epidermal necrolysis is a severe skin condition often caused by drugs, with complex treatment and a high risk of death, but survivors usually heal without scars.

Topical drugs and near-infrared light therapy show potential for treating alopecia.

Stress increases certain chemicals in the skin and nerves, which might worsen skin conditions.

Some systemic treatments work for nail psoriasis but can have serious side effects.