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The conclusion is that teeth, hair, and claws have similar stem cell niches, which are important for growth and repair, and more research is needed on their regulation and potential markers.

The Hairless gene is crucial for healthy skin and hair growth.

S100A4 and S100A6 proteins may activate stem cells for hair follicle regeneration and could be potential targets for hair loss treatments.

The new method can create hair follicle-like structures but not complete hair with roots and shafts, needing more improvement.

Keratin protein production in cells is controlled by a complex system that changes with cell type, health, and conditions like injury or cancer.

Hair growth can be stimulated by combining certain skin cells, which can rejuvenate old cells and cause them to specialize in hair follicle creation.

Androgens may cause hair loss by increasing TGF-beta1 from scalp cells, which inhibits hair cell growth.

Stem cell therapy is a promising approach for hair regrowth despite potential side effects.

β-catenin is essential for stem cell activation and proliferation in hair follicles.

Advanced therapies like gene, cell, and tissue engineering show promise for hair regrowth in alopecia, but their safety and effectiveness need more verification.

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

Injecting a mix of human skin and hair cells into mice can grow new hair.

MSC-Exos can aid organ development and offer therapeutic benefits for various conditions.

cDermo-1 causes dense skin, feathers, and scales in chickens.

Cannabinoid receptor-1 signaling is essential for the survival and growth of human hair follicle stem cells.

Bone marrow and umbilical cord stem cells can help grow new hair.

GasderminA3 is important for normal hair cycle transitions by controlling Wnt signaling.

Using umbilical cord stem cells can help create hair-growing tissues more affordably.

Researchers created a 3D hydrogel that mimics human hair follicles, which may help with hair loss treatments.

The flap assay grows the most natural hair but takes the longest, the chamber assay is hard work but gives dense, normal hair, and the patch assay is quick but creates poorly oriented hair with some issues.

Disrupting Acvr1b in mice causes severe hair loss and thicker skin.

Low oxygen conditions increase the hair-growing effects of substances from fat-derived stem cells by boosting growth factor release.

A certain type of skin cell, marked by EGFR, produces a lot of IGF1 and helps hair follicles grow back faster.

Hair growth phase and certain genes can speed up wound healing, while an inflammatory mediator can slow down new hair growth after a wound. Understanding these factors can improve tissue regeneration during wound healing.

Endo-HSE helps grow hair-like structures from human skin cells in the lab.

Scientists created stem cells that can grow hair and skin.

Using scalp stem cells can improve hair transplants.

Growing hair follicles have high mitochondrial activity and ROS in specific regions, aiding hair formation.

Activating β-catenin in certain skin cells speeds up hair growth in mice.

Estrogen and its receptors play a key role in hair growth, with differences between males and females.