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

PRP shows promise in healing but needs a standardized, safe preparation method.

Regenerated fully functional hair follicles using stem cells, with potential for hair regrowth therapy.

Chickens exposed to loud noise can quickly regain hearing mostly due to repair of the tectorial membrane, not just hair cell regeneration.

Lymphatic vessels help hair follicles regenerate by interacting with stem cells.

Bioengineered salivary glands in mice can produce saliva when tasting sour or bitter, but have different protein levels and nerve signals compared to natural glands.

Different botulinum toxin products and concentrations can effectively reduce sweating, itching, bladder pressure, hair loss, and muscle spasms.

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.

Hair and skin healing involve complex cell interactions controlled by specific molecules and pathways, and hair follicle cells can help repair skin wounds.

Nanotechnology shows promise for better chronic wound healing but needs more research.

Repeated use of platelet-rich plasma in rats caused increased pain sensitivity.

The skin's internal clock affects healing, cancer risk, aging, immunity, and hair growth, and disruptions can harm skin health.

Transplanted rat hair follicles grew hair and had increased but not fully restored nerve connections in mice.

Scientists made working salivary glands in mice using bioengineered cells, which could help treat dry mouth.

Only skin melanocytes, not other types, can color hair in mice.

Lipocalin-Type Prostaglandin D2 Synthase (L-PGDS) is a protein that plays many roles in the body, including sleep regulation, pain management, food intake, and protection against harmful substances. It also affects fat metabolism, glucose intolerance, cell maturation, and is involved in various diseases like diabetes, cancer, and arthritis. It can influence sex organ development and embryonic cell differentiation, and its levels can be used as a diagnostic marker for certain conditions.

Skin stem cells interacting with their environment is crucial for maintaining and regenerating skin and hair, and understanding this can help develop new treatments for skin and hair disorders.

Sensory neuron and Merkel-cell changes in the skin happen independently during normal skin maintenance.

Immune cells help regulate hair growth, and better understanding this can improve hair loss treatments.

Alpinetin helps grow hair by turning on hair stem cells and is safe for use.

The document concludes that hair follicle regeneration involves various factors like stem cells, noncoding dsRNA, lymphatic vessels, growth factors, minoxidil, exosomes, and induced pluripotent stem cells.

Skin aging is due to impaired stem cell mobilization or fewer responsive stem cells.

The fascial layer is a promising new target for wound healing treatments using biomaterials.

3D bioprinting in plastic surgery could lead to personalized grafts and fewer complications.

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

New treatments for skin and hair repair show promise, but further improvements are needed.

The combination of Arginine Silicate Inositol Complex and a new form of Biotin improved hair and nail growth in rats.

Stem cell therapy is promising for treating various health conditions, but more research is needed to understand its full potential and address challenges.

Electrospun matrices help regenerate skin and hair follicles using PCL and collagen scaffolds.

The hydrogel with bioactive factors improves skin healing and regeneration.