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Different ectodermal organs like hair and feathers regenerate differently, with specific stem cells and signals involved in their growth and response to the environment.

miR-133a-3p and miR-145-5p help goat hair follicle stem cells differentiate by controlling NANOG and SOX9.

Henna helps wounds heal faster and better.

A type of collagen helps hair grow by boosting cell growth and activating a specific hair growth pathway.

Activating β-catenin increases melanocytes and decreases Schwann cells.

A device was made in 2008 to measure hair loss severity. Other findings include: frizzy mutation in mice isn't related to Fgfr2, C/EBPx marks preadipocytes, Cyclosporin A speeds up hair growth in mice, blocking plasmin and metalloproteinases hinders healing, hyperbaric oxygen helps ischemic wound healing, amniotic membranes heal wounds better than polyurethane foam, rhVEGF165 from a fibrin matrix improves tissue flap viability and induces VEGF-R2 expression, and bFGF enhances wound healing and reduces scarring in rabbits.

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

Early diagnosis and individualized treatment improve outcomes for Congenital Adrenal Hyperplasia.

Men's sensitivity to male hormones might affect how severe COVID-19 gets for them.

Muscles and nerves that cause goosebumps also help control hair growth.

Scalp cooling can prevent chemotherapy-induced hair loss, and certain treatments can speed up hair regrowth, but more research is needed for better treatments.

Scientists found a way to grow human hair cells in a lab that can create new hair when transplanted.

Hair usually grows back 1-3 months after treatment for anagen effluvium, and children with Loose Anagen Hair Syndrome often improve by adolescence.

Environmental factors at different levels control hair stem cell activity, which could lead to new hair growth and alopecia treatments.

Glutamine metabolism affects hair stem cell maintenance and their ability to change back to stem cells.

The document concludes that future heart disease research should account for sex-specific differences to improve diagnosis, treatment, and outcomes.

Drug repurposing is a cost-effective way to find new uses for existing drugs, speeding up treatment development.

The document concludes that there are various treatments for different types of alopecia, but more research is needed for evidence-based treatments.

Minoxidil helps prevent stress-caused hair loss in mice.

Finasteride can cause sexual problems and depression in young men.

Lack or blocking of SRD5a, a key component in hormone creation, can lead to conditions like pseudohermaphrodism and affect hair growth, bone mass, muscle strength, and reproductive health. More research is needed on its regulation from fertilization to adulthood.

Stem cell therapy is a promising approach for hair regrowth despite potential side effects.

The gene Msx2 is crucial for hair follicle regeneration during wound healing.

Scientists made stem cells that can grow hair by adding three specific factors to them.

ERβ has potential in treating prostate cancer and neurodegenerative diseases, but human studies are needed before clinical use.

Rat whisker cells can help turn other cells into nerve cells and might be used to treat brain injuries or diseases.

Exosomes from umbilical cord cells fix hearing loss and damaged ear hair cells in mice.

Male pattern baldness may be caused by factors like poor blood circulation, scalp tension, stress, and hormonal imbalances, but the exact causes are still unclear.

Environmental factors like diet and vitamin levels, especially Vitamin D, can affect autoimmune diseases differently, with lifestyle changes potentially improving outcomes.

The "Two-Cell Assemblage" assay is a new, simple method to identify substances that may promote hair growth.