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

Stress stops hair growth in mice by causing early hair growth phase end and harmful inflammation through a specific nerve-related pathway.

A new microneedle patch made from hair proteins helps regrow hair faster and better than current treatments.

Hair follicle stem cells use specific chromatin changes to control their growth and differentiation.

Special fiber materials boost the healing properties of certain stem cells.

Regenerated fully functional hair follicles using stem cells, with potential for hair regrowth therapy.

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

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

The conclusion is that accurate diagnosis of different types of hair loss requires good teamwork between skin doctors and lab experts.

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

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.

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

Telocytes might help with skin repair and regeneration.

Blocking JAK-STAT signaling can lead to hair growth.

Stress-related substance P may lead to hair loss and negatively affect hair growth.

Memory T cells in the skin balance staying put and moving into the blood, clustering around hair follicles, and increasing in number after infection.

Bioprinting could improve wound healing but needs more development to match real skin.

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

Patients with certain skin symptoms and high ANA titers should be monitored for potential systemic lupus.

Too much Smad7 changes skin and hair development by breaking down a protein called β-catenin, leading to more oil glands and fewer hair follicles.

Cathepsin L is essential for normal hair growth and development.

Aging causes skin stem cells to work less effectively.

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

Hair follicles may soon be used more for targeted and systemic drug delivery.

Microneedles improve drug delivery in various body parts, are safe and painless, and show promise in cosmetology, vaccination, insulin delivery, and other medical applications.

Keratose, derived from human hair, is a non-toxic biomaterial good for tissue regeneration and integrates well with body tissues.

Male hormones affect COVID-19 severity and certain drugs targeting these hormones could help reduce the risk.

Exosomes could potentially enhance tissue repair and regeneration with lower rejection risk and easier production than live cell therapies.

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.

Macrophages help heal nerves by aiding the maturation of Schwann cells and are important for nerve repair.