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Tofacitinib, an arthritis drug, helped hair growth in alopecia universalis but long-term safety needs more research.

VEGFR-2 is active in hair follicles, sebaceous glands, sweat glands, and skin on the human scalp.

Azelaic acid helps protect hair cells from UV damage and encourages hair growth by increasing certain gene expressions and proteins.

Feather growth and regeneration involve complex patterns, stem cells, and evolutionary insights.

Clinicians should use social and prescription data to track trends in performance-enhancing drug use.

Chronic stress in mice changes skin metabolism and gene expression, leading to hair loss.

Reflectance spectroscopy can noninvasively track hair growth stages by measuring skin reflectance and melanin changes.

Rabbit skin analysis showed changes in hair growth and identified miRNAs that may regulate hair follicle development.

The proteins transthyretin and megalin are more present in the growth phase of hair, suggesting they might affect hair health and growth.

Rat vibrissa follicles are useful for studying hair growth cycles, especially the transition from pro-anagen to anagen.

AGA causes hair loss through follicle miniaturization and hair cycle changes; regrowth depends on anagen initiation in kenogen follicles.

Future hair loss treatments should aim to extend hair growth, reactivate resting follicles, reverse shrinkage, and possibly create new follicles, with gene therapy showing promise.

Hair growth is influenced by hormones and goes through different phases; androgens can both promote and inhibit hair growth depending on the body area.

Botulinum toxin treatment improves hair follicle width and length in androgenetic alopecia.

The article concludes that developing in vitro models for human hair structures is important for research and reducing animal testing, but there are challenges like obtaining suitable samples and the models' limitations.

Liaoning Cashmere goat hair follicles show synchronized growth patterns with lowest activity in May.

Researchers found that certain lipids, especially vitamin D3, are lower in prematurely grey hair than in pigmented hair.

TGF-alpha is present in sheep and ferret skin and may affect hair growth without directly stimulating cell proliferation.

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

The dermal papilla is crucial for hair growth and health, and understanding it could lead to new hair loss treatments.

Wnt10b makes hair follicles bigger, but DKK1 can reverse this effect.

Hair becomes gray and thin as we age, and while most hair loss in older people is due to genetics, there's a chance for gray hair to regain color under certain conditions.

Researchers found that bulge cells from human hair can grow quickly in culture and have properties of hair follicle stem cells, which could be useful for skin treatments.

HSPGs help control stem cell behavior, affecting hair growth and offering a target for hair loss treatments.

Deleting the BRD4 protein in certain skin cells causes hair loss and skin inflammation.

The HR protein helps hair grow by blocking a hair growth inhibitor, aiding in hair follicle regeneration.

Type 2 diabetes slows down skin and hair renewal by blocking important stem cell activation in mice.

Host cells are crucial for the maturation of reconstructed hair follicles.

Platelet-rich plasma may help hair follicle cells grow by affecting certain genes and pathways.

Injecting platelet-rich plasma into the scalp stimulates hair growth, increases hair density, and treats hair loss effectively with minimal side effects.