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Certain immune cells contribute to severe hair loss in chronic alopecia areata, with Th17 cells possibly having a bigger impact than cytotoxic T cells.

Restoring immune privilege in hair follicles could help treat certain types of hair loss.

Treatment with plasma rich in growth factors improved hair density and thickness for hair loss patients.

Dogs could be good models for studying human hair growth and hair loss.

The document concludes that hair loss is complex, affects many people, has limited treatments, and requires more research on its causes and psychological impact.

Skin lymphatic vessels are essential for hair growth.

Platelet-rich plasma, taken from a person's own blood, can help rejuvenate skin, stimulate hair growth, and treat hair loss, but more research is needed to confirm its safety and effectiveness.

Damaged hair follicle stem cells can cause permanent hair loss, but understanding their role could lead to new treatments.

The document concludes that adult mammalian skin contains multiple stem cell populations with specific markers, important for understanding skin regeneration and related conditions.

Excessive sun protection might cause frontal fibrosing alopecia by disrupting skin immune balance.

TR3 is mainly found in hair follicle stem cells and may be involved in hair loss.

There are two types of stem cells in rodent hair follicles, each with different keratin proteins.

Alopecia areata, a type of hair loss, is likely an autoimmune disease with a genetic link, but its exact cause is still unknown.

Alopecia areata causes unpredictable hair loss and emotional distress, with no cure and limited treatment options.

Gamma-ray exposure can cause long-lasting damage to hair follicles, affecting hair structure and color.

Gamma rays did not change hair follicle density but increased white and hypopigmented hairs in mice.

Photodynamic therapy can remove nonpigmented hair in mice and might work for humans.

Skin and hair renewal is maintained by both fast and slow cycling stem cells, with hair regrowth primarily driven by specific stem cells in the hair follicle bulge. These cells can also help heal wounds and potentially treat hair loss.

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.

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

Smad1 and Smad5 are essential for hair follicle development and stem cell sleepiness.

KLF4 is important for maintaining skin stem cells and helps heal wounds.

Using polyethylenimine-DNA to deliver the hTERT gene can stimulate hair growth and may be useful in treating hair loss, but there could be potential cancer risks.

Hair ages and thins due to factors like inflammation and stress, and treatments like antioxidants and hormones might improve hair health.

Hair graying is influenced by factors like nerves, fat cells, and immune cells, not just hair follicles.

Stem cells from hair follicles can safely treat hair loss.

Mesenchymal stem cells may help treat hair loss by improving hair cell growth and reducing inflammation.

Hair graying may be caused by stem cell depletion from stress or melanocyte damage.

Alcohol extract from Vernonia anthelmintica seeds may help treat stress-related hair loss.

Stem cell therapy shows promise for hair loss treatment, but more research is needed to confirm its effectiveness.