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Researchers created a fully functional, bioengineered skin system with hair from stem cells that successfully integrated when transplanted into mice.

The Hedgehog signaling pathway is important for skin and hair growth and can lead to cancer if it doesn't work right.

Mice lacking a key DNA methylation enzyme in skin cells have a lower chance of activating stem cells necessary for hair growth, leading to progressive hair loss.

Wnt signaling is crucial for skin and hair development and its disruption can cause skin tumors.

Androgens slow hair growth by altering Wnt signaling in balding cells.

Skin fat has important roles in hair growth, skin repair, immune defense, and aging, and could be targeted for skin and hair treatments.

Hair follicle stem cells are controlled by their surrounding environment.

The study found that immune responses disrupt hair growth cycles, causing hair loss in alopecia areata.

Smad-4 and Smad-7 are key in hair follicle development, with other Smads being less important.

Special cell particles from macrophages can help hair grow.

Prolactin may play a significant role in skin and hair health and could be a target for treating skin and hair disorders.

3,4,5-tri-O-caffeoylquinic acid promotes hair growth by activating the β-catenin pathway.

SIRT7 protein is crucial for starting hair growth in mice.

Blocking a protein called CXXC5 with a specific peptide can stimulate hair regrowth and new hair growth in wounds.

Aging alone rarely causes significant hair loss; hormones are a bigger factor.

Gab1 protein is crucial for hair growth and stem cell renewal, and Mapk signaling helps maintain these processes.

The protein SLC1A3 is important for activating skin stem cells and is necessary for normal hair and skin growth in mice.

Runx3 helps determine hair shape.

Stress in hair follicle stem cells causes inflammation in a chronic skin condition through a specific immune response pathway.

The conclusion is that understanding how hair follicle stem cells live or die is important for maintaining healthy tissue and repairing injuries, and could help treat hair loss, but there are still challenges to overcome.

The right amount of retinoic acid is essential for normal hair growth and development.

Wnt/ß-catenin signaling is crucial for regulating skin stem cells and hair growth, with the right levels and timing needed for proper function.

Researchers found genes that control hair color and growth change before the visible coat color changes in snowshoe hares.

The conclusion is that androgenetic alopecia and senescent alopecia have unique gene changes, suggesting different causes and potential treatments for these hair loss types.

Overactivating Hedgehog signaling makes hair follicle cells in mice grow hair faster and create more follicles.

Researchers created a mouse model of a type of rickets that does not cause hair loss.

Clim proteins are essential for maintaining healthy corneas and hair follicles.

Foxp1 helps control hair stem cell growth and response to stress during hair growth cycles.

The conclusion is that skin and hair patterns are formed by a mix of cell activities, molecular signals, and environmental factors.

The study developed a new way to create hair-growing tissue that can help regenerate hair follicles and control hair growth direction.