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Live imaging has advanced our understanding of stem cell behavior and raised new research questions.

Syphilis has a wide range of symptoms that can look like other diseases, and if not treated, it can progress to a more serious stage, especially in HIV-positive patients.

Existing drug dexamethasone may lower death risk in severe COVID-19 cases; more research needed for other drugs.

The conclusion is that small hair follicles cause baldness in macaques, and treatments like antiandrogens and minoxidil can prevent hair loss and promote regrowth.

Minoxidil doesn't affect perifollicular lymphoid infiltration in alopecia areata patients.

Transit-amplifying cells are crucial for tissue repair and can contribute to cancer when they malfunction.

Cellular senescence has both cancer-blocking and cancer-promoting effects, and targeting senescent cells may improve health and lifespan.

Prominin-1 expressing cells in the dermal papilla help regulate hair follicle size and communication but don't aid in skin repair.

Certain signals are important for reducing specific chemical markers on hair follicle stem cells during rest periods, which is necessary for healthy hair growth.

Stem cells and their surrounding environment in hair follicles work closely together, affecting hair growth and having implications for cancer and tissue regeneration.

Minoxidil metabolizes similarly in monkeys and humans, but differently in dogs and rats.

PI3K/Akt pathway is crucial for hair growth and regeneration.

Both immature and mature fat cells are important for hair growth cycles, with immature cells promoting growth and mature cells possibly inhibiting it.

Hair follicle stem cells and skin cells show promise for hair and skin therapies but need more research for clinical use.

Hair follicles are valuable for regenerative medicine and wound healing.

Immune cells help regulate hair growth, and better understanding this can improve hair loss treatments.

Adult stem cells are important for tissue repair and have therapeutic potential, but more research is needed to fully use them.

Some stem cells in the body rarely divide, which could help create better treatments for diseases and aging.

The article concludes that the global hair trade is exploitative and reflects complex cultural and economic issues.

Hair can regrow in large wounds through a process similar to how hair forms in embryos, and understanding this could lead to new treatments for hair loss or scarring.

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

COVID-19 can cause skin issues like chilblains and rashes, which may help in early detection, especially in patients without other symptoms.

Glutathione helps Arabidopsis roots adapt to low phosphate by regulating a specific growth pathway.

The skin and thymus develop similarly to protect and support immunity.

The protein Par3 is crucial for healthy skin, affecting the skin barrier, cell differentiation, and stem cell maintenance.

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

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

Some plants with flavonoids may help treat hair loss and promote hair growth.

Skin-derived stem cells can become various cell types, including germ cell-like and oocyte-like cells.

The document concludes that understanding how adult stem and progenitor cells move is crucial for tissue repair and developing cell therapies.