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Prolactin contributes to hair loss by promoting hair follicle shrinkage and cell death.

Melatonin helps regulate hair growth and protects the hair follicle from stress.

We need more research to better understand human hair follicle stem cells for improved treatments for hair loss and skin cancer.

Androgens can both stimulate and cause hair loss, and understanding their effects is key to treating hair disorders.

Prolactin affects when mice shed and grow hair.

Hormones and genetics affect hair growth and patterns, with some changes reversible and others not.

Hair growth is influenced by interactions between skin layers, growth factors, and hormones, but the exact mechanisms are not fully understood.

Glutamine metabolism affects hair stem cell maintenance and their ability to change back to stem cells.

Creating a natural-looking hairline in hair restoration surgery involves using follicular unit grafts, proper hair placement, and artistic skills to give the illusion of density.

Shorter daylight increases hair growth in Cashmere goats.

Different hair growth problems are caused by genetic issues or changes in hair growth cycles, and new treatments are being developed.

TPA promotes hair growth by increasing stem cell activity and activating specific cell signals.

Intralesional triamcinolone acetonide can regrow hair in alopecia areata but often has temporary effects and side effects.

The model showed that randomness accurately describes individual hair growth cycles and that synchronization can cause large fluctuations not seen in humans.

Abnormal cuticle and hair shaft medulla cause hair loss in androgenetic alopecia; sonography helps diagnose and manage it.

Prolactin affects when mice shed and grow hair.

Hair and skin can regenerate without bulge stem cells due to other compensating cells.

Surgeons need to understand natural hair patterns for better hair restoration results.

Certain treatments can speed up local hair growth in mice but don't change the overall hair growth pattern.

Beard hair transplantation is generally satisfying, requires 250-800 grafts, uses FUE to avoid scars, needs careful planning, has some risks, and hair regrowth starts after 4-6 months.

Neuronatin is found in specific cells within rat testis, hair follicles, tongue, and pancreas, suggesting it has various roles in tissue development and function.

Mice can regrow hair on wounds due to specific cell interactions and mechanical forces not seen in rats.

Melanocyte stem cells in hair follicles are key to understanding and potentially preventing hair graying.

Inhibiting prolactin reduces hair follicle activation in cashmere goats.

Hair health is influenced by genetics, aging, and environmental factors, with proper care needed to maintain it.

Collagen fibrils in mink skin change structure during hair growth, becoming looser and thicker in the active phase.

Pilocarpin can cause hair regrowth and color change in some cases but not in others, and it may have side effects in animals.

Chemokine signaling is important for hair development.

Certain proteins are essential for the growth of root hairs in barley.

Dupilumab helps children with alopecia areata regrow hair safely.