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Rats can't grow new hair follicles after skin wounds, unlike mice, due to differences in gene expression and response to WNT signaling.

Regulatory T cells help heal skin and grow hair, and their absence can lead to healing issues and hair loss.

Different stem cells are key for hair growth and health, and understanding their regulation could help treat hair loss.

Certain natural products may help stimulate hair growth by affecting stem cell activity in the scalp.

Isotretinoin can cause serious birth defects and needs careful use, especially in pregnant women.

Older mice have stiffer skin with less elasticity due to changes in collagen and skin structure, affecting aging and hair loss.

Certain genes control the color of human hair by affecting pigment production.

miR-195-5p reduces hair growth ability in cells by blocking a specific growth signal.

Dermal fibroblasts have adjustable roles in wound healing, with specific cells promoting regeneration or scar formation.

Epidermolysis bullosa simplex causes easily blistered skin due to faulty skin cell proteins, leading to new treatment ideas.

Menopause can cause hair thinning and texture changes due to hormonal and metabolic shifts.

Colorectal cancer development involves both genetic changes and epigenetic alterations like DNA methylation and microRNA changes.

The research identified genes and pathways important for sheep wool growth and shedding.

Bald thigh syndrome in sighthounds is caused by structural defects in hair shafts due to downregulated genes and proteins.

Effective hair loss treatment in women requires correct diagnosis and can include medications like minoxidil, antiandrogens, and treatments for underlying conditions like PCOS.

Skin-derived stem cells grow faster and are easier to obtain than hair follicle stem cells, but both can become various cell types.

Different cells affect hair follicle blood vessels, endothelial cells react differently to inflammation and oxidized fats, and prasugrel better protects heart vessels during a procedure than clopidogrel.

Prasugrel is better than clopidogrel at preventing heart damage and improving blood flow in small heart vessels during heart artery procedures.

The extracellular matrix is crucial for controlling skin stem cell behavior and health.

Testing for CAG repeat polymorphism in the androgen receptor gene is not currently recommended for managing hypogonadism.

Understanding hair biology is key to developing better treatments for hair and scalp issues.

AP-2α and AP-2β proteins are essential for healthy adult skin and hair.

The document concludes that treatments for female hair loss and excess body hair are available, but managing expectations is important.

Advanced therapies like gene, cell, and tissue engineering show promise for hair regrowth in alopecia, but their safety and effectiveness need more verification.

Researchers fixed gene mutations causing a skin disease in stem cells, which then improved skin grafts in mice.

Hair papilla cells are crucial for blood vessel development in hair follicles, affecting hair growth and loss.

The document concludes that while significant progress has been made in understanding skin biology and stem cells, more research is needed to fully understand their interactions with their environment.

Using stem cells from fat tissue can significantly improve wound healing in dogs.

VDR regulation varies by tissue and is crucial for its biological functions.

Fat tissue under the skin affects hair growth and aging; reducing its inflammation may help treat hair loss.