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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.

Increasing Wnt5a in mice skin delays hair growth but doesn't stop it.

Researchers found a genetic region that influences the number of coat layers in dogs.

New hair can grow from large wounds in mice, but less so as they age, involving reprogramming of skin cells and specific molecular pathways.

Tocilizumab treatment was associated with significant hair regrowth in one patient and temporary hair loss followed by regrowth in another.

Hair diameter and curvature are mostly determined by genetics.

ADAM 10 and ADAM 12 proteins are involved in different stages of hair growth and could be targets for treating hair disorders.

PRP, exosomes, and physical therapies show promise for hair and tissue repair, but need more research for optimization.

Nutraceuticals that promote hair growth do not reduce tamoxifen's effectiveness in breast cancer treatment.

Older hair follicle stem cells have a reduced ability to renew themselves, leading to more hair loss.

Valproic acid increases hair count in men with hair loss.

Detailed patient history and physical exams are crucial for diagnosing hair loss.

Lgr5 is a marker for active, long-lasting stem cells in mouse hair follicles.

Nerve signals are crucial for hair follicle stem cells to become skin stem cells and help in wound healing.

EZH1 and EZH2 are crucial for healthy hair growth and skin repair.

Microspheres about 1.5 micrometers in size can best penetrate hair follicles, potentially reaching important stem cells.

Hair regeneration needs dynamic cell behavior and mesenchyme presence for stem cell activation.

Adult stem cells from rat whisker follicles can regenerate hair follicles and sebaceous glands.

Hair loss and aging are caused by the breakdown of a key protein in hair stem cells.

Melanocyte stem cells in hair follicles are key for hair color and could help treat greying and pigment disorders.

The conclusion is that proper signaling is crucial for hair growth and development, and errors can lead to cancer or hair loss.

Chemotherapy causes hair loss by damaging hair follicles and stem cells, with more research needed for prevention and treatment.

Regenerated fully functional hair follicles using stem cells, with potential for hair regrowth therapy.

Bone Morphogenetic Proteins (BMPs) help control skin health, hair growth, and color, and could potentially be used to treat skin and hair disorders.

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

Wnt ligands are crucial for hair growth and repair.

Platelet-rich plasma with a new carrier significantly increases hair thickness without serious side effects.

Hair follicle stem cells are key for hair and skin regeneration, can be reprogrammed, and have potential therapeutic uses, but also carry a risk of cancer.

Latanoprost can make eyelashes longer, thicker, and darker.

Blocking JAK-STAT signaling can lead to hair growth.