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

A specific type of skin cell creates an opening for hair to grow out, and problems with this process can lead to skin conditions.

A new staining method shows a special area in the hair's skin layer with lots of proteoglycans.

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

Circadian rhythms are crucial for stem cell function and tissue repair, and understanding them may improve aging and regeneration treatments.

Extracts from three Polynesian plants were found to promote hair growth by affecting cell growth and gene expression related to hair.

The document concludes that while some organisms can regenerate body parts, mammals generally cannot, and cancer progression is complex, involving mutations rather than a strict stem cell hierarchy.

Skin stem cells are crucial for maintaining and repairing the skin and hair, using a complex mix of signals to do so.

Nerve signals are crucial for hair follicle stem cells to become skin stem cells and help in wound healing.

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.

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

Hair thinning causes stem cell loss through a process involving Piezo1, calcium, and TNF-α.

Understanding hair biology is key to developing better treatments for hair and scalp issues.

DNA methylation is essential for skin and hair follicle development, and could be a target for treating skin diseases.

Microspheres about 1.5 micrometers in size can best penetrate hair follicles, potentially reaching important stem cells.

Different small areas within hair follicles send specific signals that control what type of cells stem cells become.

Topical drugs and near-infrared light therapy show potential for treating alopecia.

Hydrogels could lead to better treatments for wound healing without scars.

Maintaining the right amount of retinoic acid is crucial for healthy hair and skin.

Scientists found cells in hair that are key for growth and color.

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

Hair follicles are valuable for regenerative medicine and wound healing.

Certain cells outside the hair follicle's bulge area can quickly regenerate damaged hair follicles, potentially helping to reduce hair loss from cancer treatments.

Follistatin and LIN28B together improve the ability of inner ear cells in mice to regenerate into hearing cells.

Scientists made structures that look like human hair follicles using stem cells, which could help grow hair without using actual human tissue.

Hair growth is influenced by hormones and goes through different phases; androgens can both promote and inhibit hair growth depending on the body area.

Involucrin helps strengthen the inner parts of human hair.

VEGFR-2 activation is likely involved in hair follicle growth, survival, and development.

Not having enough or having too much of the protein Grainyhead-like 3 leads to various developmental problems.

Scientists created stem cells that can grow hair and skin.