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Dihydrotestosterone can be made from dehydroepiandrosterone in skin cells without needing testosterone.

The pituitary gland functions normally even after losing most SOX2+ stem cells.

A protein called EGFR protects hair follicle stem cells, and when it's disrupted, hair follicles can be damaged, but blocking certain pathways can restore hair growth.

Stem cell niches are crucial for regulating stem cell behavior and tissue health, and their decline can impact aging and cancer.

LED light therapy may help hair growth by activating certain cell pathways.

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

Canine hair follicles have stem cells similar to human hair follicles, useful for studying hair disorders.

Aging changes sugar molecules on skin stem cells, which may affect their ability to repair skin.

Hair follicle stem cells can return to their original niche and help regenerate hair.

Non-immune dermal cells dominate, epidermal cells increase after day 9, and certain immune cells persist beyond inflammation in wound-induced hair follicle regeneration.

Fat under the skin can help hair grow longer, darker, and increase cell growth.

Ovol2 is crucial for hair growth and skin healing by controlling cell movement and growth.

The document concludes that better targeted treatments are needed for wound healing, and single-cell technologies may improve cell-based therapies.

Hair follicles are complex, dynamic mini-organs that help us understand cell growth, death, migration, and differentiation, as well as tissue regeneration and tumor biology.

Skin can heal wounds without hair follicle stem cells, but it takes a bit longer.

Metabolic signals and cell shape influence how cells develop and change.

Human hair follicle stem cells can turn into multiple cell types but lose some of this ability after being grown in the lab for a long time.

The nude gene causes skin cell overgrowth and improper development, leading to hair and urinary issues.

Spermidine may help reduce hair loss and deserves further testing as a treatment.

Improving the environment and cell interactions is key for creating human hair in the lab.

Valproic Acid could potentially be used to treat immune-related conditions due to its ability to modify immune cell functions.

Cell-based therapies using dermal papilla cells and adipocyte lineage cells show potential for hair regeneration.

People with HIV and low T cell counts have more hair and scalp problems.

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

Melatonin helps Cashmere goats grow more hair by affecting certain genes and cell pathways.

Glycyrrhizic acid may help reduce unwanted hair growth.

Cinnamomum osmophloeum leaf extract may help treat hair loss by promoting hair growth and increasing hair cell proliferation.

Indian Hedgehog helps control skin cell growth and protects against aggressive skin cancer.

The document concludes that certain chemicals can help maintain stem cell pluripotency and that understanding cell states is crucial for tissue regeneration.

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