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The skin has a complex immune system that is essential for protection and healing, requiring more research for better wound treatment.

The document concludes that the understanding of scar formation is incomplete and current prevention and treatment for hypertrophic scars and keloids are not fully effective.

Certain proteins, Lgr5 and Lgr6, are important markers of adult stem cells and are involved in tissue repair and cancer development.

Treatments that reduce oxidative stress and fix mitochondrial problems may help heal chronic wounds.

The secretome from mesenchymal stem cells is a promising treatment that may repair tissue and avoid side effects of stem cell transplantation.

Vitamin D receptor interacts with certain dietary components to help prevent diseases and regulate hair growth.

Teriflunomide helps reduce multiple sclerosis symptoms and is safe for most patients.

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

Chitin and chitosan are useful in cosmetics for oral care, haircare, and skincare, including UV protection and strength improvement.

The conclusion is that proper signaling is crucial for hair growth and development, and errors can lead to cancer or hair loss.

Tiny pollution particles called PM2.5 can harm skin cells by causing stress, damage to cell parts, and cell death.

High levels of male hormones, insulin resistance, and obesity are closely linked and worsen polycystic ovary syndrome, but more research is needed to improve treatments.

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

New effective scar treatments are urgently needed due to the current options' limited success.

Alopecia areata involves immune activation in the scalp, suggesting treatments targeting TH1, TH2, and IL-23 pathways.

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

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

Keratinocytes help heal skin wounds by interacting with immune cells and producing substances that kill pathogens.

Targeting the IL-23/IL-17 pathway effectively treats several inflammatory skin diseases.

The WNT signaling pathway is important in many diseases and targeting it could offer new treatments.

The document concludes that adenosine receptor agonists have potential for treating various conditions, but only a few are approved due to challenges like side effects and the need for selective activation.

The niche environment controls stem cell behavior and plasticity, which is important for tissue health and repair.

The HR protein helps hair grow by blocking a hair growth inhibitor, aiding in hair follicle regeneration.

PRP treatment improves hair growth, and the device used can affect results, with some being more effective.

Fat-derived stem cells show promise for skin repair and reducing aging signs but need more research for consistent results.

The conclusion is that PCOS is caused by ovarian sensitivity to hormones and disrupted hormone control, possibly due to ovarian factors, and more research is needed.

The conclusion is that Treg-targeted therapies have potential, but more knowledge of Treg biology is needed for effective treatments, including for cancer.

Obesity worsens PCOS symptoms, and PCOS may lead to more weight gain; managing both requires a holistic approach that includes mental health.

Oxidative stress contributes to hair graying and loss as we age.

Men generally have more severe COVID-19 cases and higher death rates than women due to biological differences.