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Hair gets thinner, grayer, and changes texture with age due to genetics, environment, and cellular changes, affecting the growth cycle.

Melanoblasts migrate to the skin using various pathways, and understanding this process could help with skin disease research.

The article concludes that hair loss is a common side effect of drugs treating skin cancer by blocking the hedgehog pathway, but treatment should continue, and more selective drugs might prevent this side effect.

Cedrol Nanoemulsion was found to be more effective at promoting hair growth than traditional treatments and had better bioavailability.

Both human platelet lysate and minoxidil can promote hair growth, but they affect different genes and cell survival rates.

Quercetin significantly helps hair growth by activating hair follicles and improving blood vessel formation around them.

Successful eyebrow restoration can be done using careful hair transplant techniques and choosing the right patients.

PTHRP agonists can stimulate hair growth, especially in damaged follicles, while antagonists may initially increase growth but ultimately inhibit it.

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

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

Gamma-ray exposure can cause long-lasting damage to hair follicles, affecting hair structure and color.

The document concludes that hair follicles have a complex environment and our understanding of it is growing, but there are limitations when applying animal study findings to humans.

Vav2 and Vav3 proteins help control skin stem cell numbers and activity in both healthy and cancerous cells.

Gamma rays did not change hair follicle density but increased white and hypopigmented hairs in mice.

The PTGER2 gene is highly active in Cashmere goat skin and its activity changes with the hair growth cycle.

Hair loss in Androgenetic alopecia (AGA) is due to altered cell sensitivity to hormones, not increased hormone levels. Hair growth periods shorten over time, causing hair to become thinner and shorter. This is linked to miscommunication between cell pathways in hair follicles. There's also a change in gene expression related to blood vessels and cell growth in balding hair follicles. The exact molecular causes of AGA are still unclear.

Pilose antler extracts help hair growth by activating hair follicle stem cells.

GRK2 is essential for healthy hair follicle function, and its absence can lead to hair loss and cysts.

Vav2 changes how hair follicle stem cells' genes work as they age, which might improve regeneration but also raise cancer risk.

The mTOR signaling pathway is crucial for hair health and targeting it may lead to new hair loss treatments.

Different hair growth phases affect how follicles respond to X-rays, and hormones like testosterone and dihydrotestosterone play a key role in baldness; transplanted hair can grow on bald scalp areas.

The conclusion is that proper signaling is crucial for hair growth and development, and errors can lead to cancer or hair loss.

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

Stress hormone corticosterone blocks a growth factor to slow down hair stem cell activity and hair growth.

NF-κB is crucial for different stages and types of hair growth in mice.

The document says that there are treatments for hair and nail diseases.

Different ectodermal organs like hair and feathers regenerate differently, with specific stem cells and signals involved in their growth and response to the environment.

Immune cells are crucial for hair growth and preventing hair loss.

The anti-CXCL4 antibody helps mice grow hair faster and prevents hair loss.

Bioluminescence imaging can track hair follicle cells and help study hair regrowth.