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Smad4 is important for healthy hair follicles because it helps produce a protein needed for hair to stick together and grow.

Dying cells can help with faster healing and new hair growth by releasing a growth-promoting molecule.

Dermal EZH2 controls skin cell development and hair growth in mice.

The molecule Wise is involved in the development of various structures in chick embryos.

Brg1 is crucial for keeping hair follicle stem cells and repairing skin, working with the Sonic Hedgehog pathway to promote hair growth.

Early development of hair, teeth, and glands involves specific signaling pathways and cellular interactions.

Fat cells are important for tissue repair and stem cell support in various body parts.

Transit-amplifying cells are crucial for tissue repair and can contribute to cancer when they malfunction.

Tiny natural vesicles from cells might help treat hair loss.

Glypican-1 is important for blood vessel growth in hair follicles and could help treat hair loss.

The immune system plays a key role in tissue repair, affecting both healing quality and regenerative ability.

Different types of stem cells in hair follicles play unique roles in wound healing and hair growth, with some stem cells not originating from existing hair follicles but from non-hair follicle cells. WNT signaling and the Lhx2 factor are key in creating new hair follicles.

Stem cells in the hair follicle are regulated by their surrounding environment, which is important for hair growth.

The document concludes that while significant progress has been made in understanding skin biology and stem cells, more research is needed to fully understand their interactions with their environment.

Hair, teeth, and mammary glands develop similarly at first but use different genes later.

Eph/ephrin signaling is important for skin cell behavior and could be targeted to treat skin diseases.

Cell aging can be both good and bad for tissue repair.

The conclusion is that CD90 is not a specific marker for fibroblast subtypes and better methods are needed to identify them.

Gene network oscillations inside hair stem cells are key for hair growth regulation and could help treat hair loss.

Fisetin, a type of polyphenol, may help hair grow by increasing certain protein activities in cells.

miR-140-5p in certain cell vesicles helps hair growth by boosting cell proliferation.

Inflammation plays a key role in activating skin stem cells for hair growth and wound healing, but more research is needed to understand how it directs cell behavior.

Twist1 helps maintain important features of cells crucial for hair growth by working with Tcf4 and β-catenin.

A substance called TCQA could potentially darken hair by activating certain genes and increasing melanin.

The research identified genes that explain why some sheep have curly wool and others have straight wool.

Researchers created immortal human skin cells with constant testosterone receptor activity to study hair loss and test treatments.

IL-36α helps grow new hair follicles and speeds up wound healing.

The "Two-Cell Assemblage" assay is a new, simple method to identify substances that may promote hair growth.

Reducing FOXA2 in skin cells lowers their ability to grow hair.

Zebrafish larvae are used to study and find treatments for ear cell damage because they are easier to observe and test than mammals.