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Mice with too much sPLA₂-IIA have hair loss and poor wound healing due to abnormal hair growth and stem cell depletion.

Normal skin cell renewal doesn't need RAR signaling, but vitamin A-related skin thickening does.

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.

The p53 protein helps control hair follicle shrinking by promoting cell death in mice.

Human hair follicles can make and process prostaglandins, which may affect hair growth.

Keratinocytes control how melanocytes work.

Mice lacking Insig proteins had hair growth problems due to cholesterol buildup, but this was fixed by the drug simvastatin.

α3β1-integrin is crucial for maintaining normal hair follicle shape and function but not needed for the development of the surrounding skin.

Adding hyaluronic acid helps create larger artificial hair follicles in the lab.

Safflower (Carthamus tinctorius) extract helps hair grow and could be used in hair products.

TAF4 is important for skin cell growth and helps prevent skin cancer in mice.

3-Deoxysappanchalcone helps human hair cells grow and stimulates hair growth in mice by affecting certain cell signaling pathways.

Cholesterol balance is important for hair health, and problems with it can lead to hair loss conditions.

Monilethrix is a genetic hair disorder causing fragile, beaded hair with no effective treatment.

Melatonin can increase cashmere yield by altering gene expression and restarting the growth cycle early.

Skin healing from blisters can delay hair growth as stem cells focus on repairing skin over developing hair.

Alopecia in patients with epidermolysis bullosa varies in severity and is often caused by skin blistering or trauma.

The protein aPKCλ is crucial for keeping hair follicle stem cells inactive and for hair growth and regeneration.

Melatonin is important for skin health and protection, and can be made by the skin or applied to it.

Stem cell self-renewal is complex and needs more research for full understanding.

The document concludes that a better understanding of cell changes during wound healing could improve treatments for chronic wounds and other conditions.

The telogen phase of hair growth is active and important for preparing hair follicles for regeneration, not just a resting stage.

New methods have greatly improved our understanding of stem cell behavior and roles in the body.

TRH stimulates human hair growth and extends the hair growth phase.

Hormones and neuroendocrine factors control hair growth and color, and more research could lead to new hair treatment options.

Sp6 promotes tooth development by reducing follistatin levels.

Nuclear Factor I-C is important for controlling hair growth by affecting the TGF-β1 pathway.

The environment around melanocyte stem cells is key for hair regeneration and color, with certain injuries affecting hair color and potential treatments for pigmentation disorders.

Blocking the FGF5 gene in sheep leads to more fine wool and active hair follicles due to changes in certain cell signaling pathways.

Scientists made stem cells that can grow hair by adding three specific factors to them.