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Understanding hair follicle development can help treat hair loss, skin regeneration, and certain skin cancers.

Hair follicles are complex, dynamic mini-organs that help us understand cell growth, death, migration, and differentiation, as well as tissue regeneration and tumor biology.

miR-31 regulates hair growth by controlling gene expression in hair follicles.

Trichoscopy is a useful, non-invasive way to diagnose different types of hair loss.

Mutations in the DSG4 gene can cause a rare hair disorder similar to monilethrix.

Careful planning and patient counseling can lead to excellent hair transplant results, often in one or two sessions.

3,4,5-tri-O-caffeoylquinic acid promotes hair growth by activating the β-catenin pathway.

People with HIV and low T cell counts have more hair and scalp problems.

Trichoscopy is useful for diagnosing and monitoring systemic lupus erythematosus, with certain hair and scalp changes indicating more active disease.

Longer hair loss leads to more severe CCCA; early treatment and avoiding damaging hairstyles help regrowth.

New gene identification techniques have improved the understanding and classification of inherited hair disorders.

The treatment improved hair growth in people with male pattern baldness.

Dermoscopy improves diagnosis of hair and scalp disorders and can help avoid unnecessary biopsies.

Dermoscopy helps quickly identify hair breakage in people of African descent.

A Turkish family with sparse hair and eyebrow loss has a mutation in the U2HR gene linked to Marie Unna hereditary hypotrichosis.

UV exposure causes hair thinning, graying, and changes in hair growth cycles in mice.

Laser treatment improves hair density and increases growth factors in androgenetic alopecia.

Some vitamins and minerals are important for preventing hair loss, but treating hair loss with them without a known deficiency is not proven effective.

Thyrotropin-releasing hormone may help control skin and hair growth and could aid in treating related disorders.

The document concludes that hair loss in cats is caused by various factors, including allergies, mites, infections, and hormonal issues, with treatments varying accordingly.

Using extracellular vesicles from stem cells can help hair grow by affecting scalp cells and hair follicles.

Hair strength is similar across different scalp areas, and not affected by age, gender, or hair thickness.

Hordenine may help hair grow by activating a specific cell growth pathway.

A treatment combining laser energy and injections improved hair loss and unexpectedly also reduced hair graying.

Combining minoxidil with microneedling or spironolactone is more effective for female hair loss than using minoxidil alone.

Thyroid problems are linked to various skin issues, and checking thyroid health is important for people with certain skin conditions.

SOX2 is crucial for skin cell function and hair growth, and it plays a role in skin cancer and wound healing.

The skin conditions of Iraqi women changed during the COVID-19 pandemic, with more hair loss and skin irritation but fewer contagious skin infections.

The document concludes that using stem cells to regenerate hair follicles could be a promising treatment for hair loss, but there are still challenges to overcome before it can be used clinically.

Lasers and light treatments are now the most common ways to remove hair.