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Arrector pili muscle regulates hair follicle stem cells, DNA methylation needed for hair cycling, and Wnt/B-catenin signaling starts hair growth.

New research suggests that skin cell renewal may not require a special type of cell previously thought to be essential.

Too much epidermal growth factor can cause hair loss.

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

Regulatory T cells protect hair follicle stem cells by maintaining immune privilege in the skin.

The Ovol2-Zeb1 circuit is crucial for skin healing and hair growth by guiding cell movement and growth.

A gene mutation causes early keratinocyte maturation leading to hair loss in Olmsted syndrome.

Storing hair follicle micrografts for longer times can cause them to enter a state similar to the natural hair shedding phase, which might impact hair transplant results.

Activating β-catenin in mammary cells leads to changes that cause early-stage abnormal growths similar to skin structures.

The exact identity of skin stem cells and how skin cells differentiate is not fully known.

The document concludes that over 500 genes are linked to hair disorders and this knowledge is important for creating new treatments.

DNA methylation changes are linked to hair growth cycles in goats.

Decorin helps hair cells grow and move, and keeps hair growth phase going in mice.

Desmoglein 4 is controlled by specific proteins that affect hair growth.

Wounded skin cells can revert to stem cells and help heal.

Activating TLR9 helps heal wounds and regrow hair by using specific immune cells.

The document concludes that while lab results for hair growth promotion are promising, human trials are needed and better testing methods should be developed.

Regenerative therapies show promise for treating vitiligo and alopecia areata.

Gambogic Amide helps maintain hair color and promotes hair growth.

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

MicroRNA-205 helps hair grow by changing the stiffness and contraction of hair follicle cells.

Aged individuals heal wounds less effectively due to specific immune cell issues.

Resveratrol may help hair grow, but more research is needed.

Minoxidil helps prevent stress-caused hair loss in mice.

Wnt proteins from certain skin cells are crucial for normal hair growth and renewal.

New understanding of the causes of primary cicatricial alopecia has led to better diagnosis and potential new treatments.

Wnt and Shh signaling are key in noggin-induced tumors, and blocking them can slow tumor growth.

Disrupted cholesterol production impairs hair follicle stem cells, leading to hair loss.

Acne is linked to inflammation and insulin resistance, and is associated with various syndromes that require different treatments.

A specific pathway involving AR, miR-221, and IGF-1 plays a key role in causing common hair loss.