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Auxin and ethylene hormones both work together and against each other to control plant growth.

Basal cell carcinoma mostly starts from cells in the upper skin layers, not hair follicle stem cells.

Calreticulin has roles in healing, immune response, and disease beyond its known functions in the endoplasmic reticulum.

Fat tissue-derived cells show promise for repairing body tissues, but more research and regulation are needed for safe use.

β-catenin in the dermal papilla is crucial for normal hair growth and repair.

Increasing mir-302 turns human hair cells into stem cells by changing gene regulation and demethylation.

The document concludes that the understanding of scar formation is incomplete and current prevention and treatment for hypertrophic scars and keloids are not fully effective.

Different types of fibroblasts play various roles in diseases and healing, and more research on them could improve treatments.

Air pollution worsens skin diseases and aging by causing inflammation and oxidative stress.

Adult stem cells from rat whisker follicles can regenerate hair follicles and sebaceous glands.

Treatments that reduce oxidative stress and fix mitochondrial problems may help heal chronic wounds.

The document concludes that mouse models are helpful but have limitations for skin wound healing research, and suggests using larger animals and genetically modified mice for better human application.

The secretome from mesenchymal stem cells is a promising treatment that may repair tissue and avoid side effects of stem cell transplantation.

Platelet-rich plasma can potentially promote hair growth by stimulating cell growth and increasing certain proteins.

New nanofiber technology improves wound healing by supporting cell growth and delivering treatments directly to the wound.

TGF-β is crucial for tissue repair and can cause diseases if not properly regulated.

Fat cells help recruit healing cells and build skin structure during wound healing.

The timing of when the gene Bmal1 is active affects aging and survival, with its absence during development, not adulthood, leading to premature aging.

The conclusion is that proper signaling is crucial for hair growth and development, and errors can lead to cancer or hair loss.

The document concludes that the 5 alpha-reductase enzymes are important in steroid metabolism and related to various human diseases, with inhibitors used to treat conditions like male pattern baldness and prostate issues.

Tiny pollution particles called PM2.5 can harm skin cells by causing stress, damage to cell parts, and cell death.

Planarian regeneration begins with a specific gene activation caused by injury, essential for healing and tissue regrowth.

Stem cells help heal skin wounds by moving and changing roles, working with other cells, and needing more research on their activation and behavior.

Different types of skin cells play specific roles in development, healing, and cancer.

Noggin is necessary to start the hair growth phase in skin after birth.

Certain cells from hair follicles can create new hair and contribute to hair growth when implanted in mice.

Skin needs dermal β-catenin activity for hair growth and skin cell multiplication.

PGD2 stops hair growth and is higher in bald men with AGA.

Scientists have found a way to create hair follicles from skin cells of newborn mice, which can grow and cycle naturally when injected into adult mouse skin.

Lactate production is important for activating hair growth stem cells.