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Hair follicles may help teach the immune system to tolerate new self-antigens, but this can sometimes cause hair loss.

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

VEGF helps hair grow and determines follicle size by increasing blood vessel growth.

Fat-related cells are important for initiating hair growth.

β-catenin in the dermal papilla is crucial for normal hair growth and repair.

The hedgehog signaling pathway is crucial for hair growth but not for the initial creation of hair follicles.

Skin cells produce and activate vitamin D, which regulates skin functions and supports hair growth.

Laser hair removal effectiveness depends on targeting hair structures without harming the skin, and improvements require more research and expert collaboration.

Low fluence photoepilation temporarily removes hair by targeting the hair follicle's pigmented area without severe damage.

Applying a special compound can promote hair growth without harmful side effects.

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

Careful planning and patient counseling can lead to excellent hair transplant results, often in one or two sessions.

RANK-RANKL signaling is essential for hair growth and skin health.

Disrupting Acvr1b in mice causes severe hair loss and thicker skin.

α3β1-integrin is crucial for maintaining normal hair follicle shape and function but not needed for the development of the surrounding skin.

Researchers developed a 3D model of human hair follicle cells that can help understand hair growth and test new hair loss treatments.

Tiny particles called extracellular vesicles could help with skin healing and hair growth, but more research is needed.

The arrector pili muscle might play a role in hair loss and needs more research to understand its impact.

Smad1 and Smad5 are essential for hair follicle development and stem cell sleepiness.

Radiation mainly affects keratinocyte stem cells, not melanocyte stem cells, causing hair to gray.

Wnt/ß-catenin signaling is crucial for regulating skin stem cells and hair growth, with the right levels and timing needed for proper function.

Gene therapy, especially using atoh1, shows promise for creating functional sensory hair cells in the inner ear, but dosing and side effects need to be managed for clinical application.

An enzyme other than TNAP might be responsible for vitamin B-6 metabolism in the skin.

Gene network oscillations inside hair stem cells are key for hair growth regulation and could help treat hair loss.

Graying hair happens due to aging and might be delayed by new treatments.

Mice can regenerate ear tissue without the p53 protein.

Hair growth is influenced by factors like genetics and nutrition, and more research is needed to understand hair loss and growth mechanisms.

The type 3 IP3 receptor is important for controlling hair loss and growth.

Certain proteins and their receptors are more active during the growth phase of human hair and could be targeted to treat hair disorders.

δ-GABAA receptors affect alcohol consumption based on the estrous cycle and influence movement regardless of the cycle.