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

The p75 neurotrophin receptor is important for hair follicle regression by controlling cell death.

The document explains how hair follicles develop, their structure, and how they grow.

Human hair follicle organ culture is a useful model for hair research with potential for studying hair biology and testing treatments.

Mouse hair follicle cells briefly grow during the early hair growth phase, showing that these cells are important for starting the hair cycle.

Thymosin β4 promotes hair growth by activating stem cells in hair follicles.

The p53 protein helps control hair follicle shrinking by promoting cell death in mice.

Disruptions in hair follicle fibroblast dynamics can cause hair growth problems.

Mice without Vitamin D receptors have hair growth problems because of issues in the hedgehog signaling pathway.

Autophagy is important for human hair growth and health.

Scalp hair follicle culture has limits for testing minoxidil's hair growth effects.

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.

Using a fractional laser can stimulate hair growth, but the intensity and duration of inflammation are crucial. Too much can cause ulcers and scarring. Lower beam energy and fewer treatments are recommended to avoid damage.

Hair follicles are complex, dynamic mini-organs that help us understand cell growth, death, migration, and differentiation, as well as tissue regeneration and tumor biology.

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

Hair follicle dermal stem cells are key for regenerating parts of the hair follicle and determining hair type.

Estrogens significantly influence hair growth by interacting with receptors in hair follicles and may help regulate the hair growth cycle.

Mutant mice help researchers understand hair growth and related genetic factors.

Follistatin helps hair growth and cycling, while activin prevents it.

An imbalance between certain immune cells is linked to a chronic skin condition and may be influenced by obesity, smoking, and autoimmune issues.

The document concludes that for hair and feather growth, it's better to target the environment around stem cells than the cells themselves.

The document concludes that mouse models are crucial for studying hair biology and that all mutant mice may have hair growth abnormalities that require detailed analysis to identify.

The control system for hair growth cycles is not well understood and needs more research.

Mice can grow new hair follicles after skin wounds through a process not involving existing hair stem cells, but requiring more research to understand fully.

Heparan sulfate is important for hair growth, preventing new hair formation in mature skin, and controlling oil gland development.

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

Immune cells help regulate hair growth, and better understanding this can improve hair loss treatments.

Dogs could be good models for studying human hair growth and hair loss.

Endoglin is crucial for proper hair growth cycles and stem cell activation in mice.

Hormonal changes after childbirth and menopause can lead to women's hair loss and facial hair growth, with a need for better treatments.