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Fibroblasts, cells usually linked to tissue repair, also help regenerate various organs and their ability decreases with age. Turning adult fibroblasts back to a younger state could be a new treatment approach.

Sex hormone treatments can increase muscle mass in older adults but have inconsistent effects on muscle function and may carry cardiovascular risks.

The protein SLC1A3 is important for activating skin stem cells and is necessary for normal hair and skin growth in mice.

Excipients greatly affect how well curcumin nanocrystals penetrate the skin and target hair follicles.

Finasteride irreversibly affects human steroid 5α-reductase 2, providing insight into its catalytic mechanism and disease-related mutations.

The ITGB6 gene is important for tissue repair and hair growth, and mutations can lead to enamel defects and other health issues.

Gene therapy, especially using atoh1, shows promise for creating functional sensory hair cells in the inner ear, but dosing and side effects need to be managed for clinical application.

People with alopecia areata often have higher rates of allergies and autoimmune diseases.

South American camelids should be sheared early, fleece type affects fiber quality, and the S/P follicle ratio doesn't distinguish between Bolivian llama genotypes.

Infertile men are more likely to produce sperm with abnormal chromosome numbers, which can affect pregnancy success and embryo health.

COVID-19 can cause various skin issues, including rashes and hair loss, which usually heal on their own and don't always indicate severe illness.

Dying cells can help with faster healing and new hair growth by releasing a growth-promoting molecule.

Mathematical modeling can improve regenerative medicine by predicting biological processes and optimizing therapy development.

Runx1 controls fat-related genes important for normal and cancer cell growth, affecting skin and hair cell behavior.

Thyroid diseases may contribute to autoimmune skin diseases, and more research is needed on their relationship.

Finasteride may negatively affect male fertility.

ATP increases melanin production in skin after UV exposure, with the P2X7 receptor being crucial for this process.

The hydrogel with silver and mangiferin helps heal wounds by killing bacteria and aiding skin and tissue repair.

Spermidine helps protect against aging by preserving telomere length.

Mesenchymal stromal cells may help treat severe COVID-19, but more research is needed to confirm their effectiveness.

Inflammation plays a key role in activating skin stem cells for hair growth and wound healing, but more research is needed to understand how it directs cell behavior.

The enzymes 5α-reductase and 3α/β-hydroxysteroid oxidoreductase help create brain-active substances from progesterone and testosterone, which could be used for treatment, but more research is needed to ensure their safety and effectiveness.

The 25Up study collected extensive data on mental disorders and related factors in Australian twins and siblings to investigate the genetics of psychiatric illnesses.

European dermatological guidelines vary in quality, with some highly rated, but improvements are needed in applicability and consistency.

COVID-19 may harm male fertility and damage the reproductive system.

A specific DNA region is crucial for Foxn1 gene expression in thymus cells but not in hair follicles.

An imbalance in gut bacteria is linked to skin immune diseases and may affect their outcomes and related health issues.

The document concludes that pregnancy and cancer share immune evasion tactics, but more research is needed before using checkpoint blockade immunotherapy in pregnant cancer patients to avoid harm to the placenta.

Cell therapy shows promise for treating severe psoriasis but needs more research to confirm safety and effectiveness.

The document concludes that hormonal biomarkers are key for diagnosing hyperandrogenemia in women and hypogonadism in men.