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Different signals work together to change gene activity and guide hair follicle stem cells to become specific cell types.

Scientists found a specific group of itch-sensing nerve cells in mice important for feeling itch but not for sensing heat or touch.

The document suggests a personalized treatment plan for alopecia areata based on the patient's age and hair loss severity, using a range of therapies ranked by effectiveness and safety.

Cetaceans lost hair due to changes in the Hr and FGF5 genes.

Exemestane may protect bones by stimulating osteoblast growth through androgen-related pathways.

Certain RNA molecules are important for the development of wool follicles in sheep.

Goats with BSE or scrapie show varying symptoms, and using only clinical signs may not detect all scrapie cases.

A new method can quickly and accurately detect drugs in hair.

The conclusion is that understanding how hair follicle stem cells live or die is important for maintaining healthy tissue and repairing injuries, and could help treat hair loss, but there are still challenges to overcome.

5α-reductase inhibitors help shrink the prostate, improve urinary symptoms, and may reduce prostate cancer risk.

Citrullinated proteins from Porphyromonas gingivalis may contribute to rheumatoid arthritis.

PRX01, PRX44, and PRX73 are essential for root hair growth in Arabidopsis thaliana.

Some drugs may help treat both COVID-19 and radiation injury.

Acyzol could help treat conditions caused by zinc deficiency.

All five human steroid 5α-reductase enzymes are found in the endoplasmic reticulum.

Baicalin may help reduce excessive male hormone levels in PCOS.

Gut microbes significantly affect brain steroid levels.

Drinking a lot of alcohol increases the risk of prostate cancer and can worsen the condition.

Unconventional lymphocytes are important for quick immune responses and healing of skin and mucosal barriers.

Tiny particles called extracellular vesicles show promise for skin improvement and anti-aging in facial care but face challenges like low production and lack of research.

Caspases are enzymes important for both cell death and various non-lethal cell functions, affecting head development and hair growth, with different caspases playing specific roles.

Skin cells show flexibility in healing wounds and forming tumors, with potential for treating hair disorders and chronic ulcers.

Some antiseizure medications can cause cosmetic problems like hair loss, excessive hair growth, acne, and gum overgrowth.

Permanent hair removal with lasers may cure itchy black hair bristles on the back.

The stump-tailed macaque is a good model for studying human hair loss, but it's expensive and hard to find, while rodent models are promising for understanding hair growth and finding new treatments.

Different immune cells like platelets, mast cells, neutrophils, macrophages, T cells, B cells, and innate lymphoid cells all play roles in skin wound healing, but more research is needed due to inconsistent results and the complex nature of the immune response.

Combining iron supplements with Qilib lotion is more effective for treating hair loss from iron deficiency.

Stress may contribute to hair loss in alopecia areata by affecting immune responses and cell death in hair follicles.

Higher miR-34a levels and the A variant of the MIR-34A gene are linked to increased risk and severity of alopecia areata.

The TRPV3 ion channel is important for skin and hair health and could be a target for treating skin conditions.