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Aging mice have slower hair regeneration due to changes in signal balance, but the environment, not stem cell loss, controls this, suggesting treatments could focus on environmental factors.

Blocking BMP signaling causes hair loss and disrupts hair growth cycles.

S100A3 protein is crucial for hair shaft formation in mice.

Certain drugs can cause early hair growth in mice by affecting the nerves.

Nerves and chemicals in the body can affect hair growth and loss.

Special immune cells called Treg cells are important for maintaining and regenerating hair by activating a specific growth signal in hair stem cells.

A protein called EGFR protects hair follicle stem cells, and when it's disrupted, hair follicles can be damaged, but blocking certain pathways can restore hair growth.

Blocking Prostaglandin D₂ may help treat hair loss.

A specific laser treatment can promote hair growth in mice by increasing certain protein levels.

Activating the Sonic hedgehog gene in mice can start the hair growth phase.

A certain signaling pathway in mice, when increased, causes hair to gray by depleting the cells that give hair its color.

Hair color is determined by melanin produced and transferred in hair follicles.

Edar signaling is crucial for proper hair follicle development and function.

GPRC5D is linked to the formation of hair, nails, and certain tongue areas.

Hair follicle melanocytes die during hair regression.

Researchers found that the Leptin receptor is a consistent marker for hair follicle dermal cells, which may help future hair research.

Fgf20 is important for the development and regulation of the cells that form the base of hair follicles.

Sirolimus and propranolol may reduce abnormal cell growth and improve lymphatic malformations in children.

The hair follicle dermal sheath is essential for hair shedding and needs to communicate with the outer root sheath for normal hair growth cycles.

Lithocholic acid helps hair growth and regeneration in alopecia by activating vitamin D receptors.

Blocking Prostaglandin D₂ (PGD₂) could help treat hair loss.

Researchers found that hair shedding happens mostly when new hair is growing and involves a unique process.

Wnt10b overexpression can regenerate hair follicles, possibly helping treat hair loss and alopecia.

Hoxc genes control hair growth through Wnt signaling.

The conclusion is that we need more effective hair loss treatments than the current ones, and these could include new drugs, gene and stem cell therapy, hormones, and scalp cooling, but they all need thorough safety testing.

Alternative treatments show promise for hair growth beyond traditional methods.

Dexamethasone speeds up hair loss in mice, while cyclosporin A slows it down.

The Wnt/β-catenin pathway can activate melanocyte stem cells and may help regenerate hair follicles.

New suturing technique with wider intervals and shallow stitches helps prevent scalp scars and promotes hair growth.

Mouse hair follicle stem cells were successfully isolated and used to regenerate hair follicles with two different methods.