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Each group of hair follicles on the scalp shares one muscle that helps control hair movement.

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

Menopause reduces skin collagen and elasticity, and while estrogen therapy can help, its risks require careful consideration.

Aminopterin strongly suppresses epithelial tissues and can treat certain skin conditions but has significant side effects.

The study suggests that the arrector pili muscle is important for hair health and its damage might contribute to hair loss.

Aminopterin effectively improves skin conditions but has toxic side effects that need careful monitoring.

Humans have limited regenerative abilities, but new evidence shows the adult brain and heart can regenerate, and future treatments may improve this by mimicking stem cell environments.

Tissue-derived extracellular vesicles are crucial for cancer diagnosis, prognosis, and treatment.

The African spiny mouse can fully regenerate its muscle without scarring, unlike the common house mouse.

Cell transplantation faces challenges in genitourinary reconstruction, but alternative tissue sources and microencapsulation show promise.

Diabetic patients' stem cells make vascular grafts more prone to clots, but new methods may improve grafts.

Unique fat cells near fibrotic areas contribute to systemic sclerosis progression.

Miniaturized hairs stay connected to muscle in alopecia areata, allowing possible regrowth, but not in androgenetic alopecia.

Human body's immune cells are more common in the layer of fat just beneath the skin than in deeper fat layers.

Polyesters show promise for repairing damaged blood vessels.

SK2 channels help control sensory signals in rat muscle spindles and hair follicles.

Using micro skin tissue columns improves skin wound healing and reduces scarring.

Scientists successfully grew new hair follicles in regenerated mouse skin using mouse and human cells.

Different types of fibroblasts play various roles in kidney repair and aging, and may affect chronic kidney disease outcomes.

Men are getting more facial fillers, and doctors should use different techniques and fillers for men's unique facial features to get natural results.

Melatonin affects many body functions beyond sleep by interacting with specific receptors in various tissues.

Changing the environment around stem cells could help tissue repair, but it's hard to be precise and avoid side effects.

Improving artificial vascular grafts requires better materials and surface designs to reduce blood clotting and support blood vessel cell growth.

Researchers created human hair follicles using a new method that could help treat hair loss.

The Wnt/β-catenin pathway helps tissue regeneration but can also cause fibrosis, and drugs that inhibit this pathway may aid in healing skin and heart tissues.

Fat-derived stem cells, platelet-rich plasma, and biomaterials show promise for healing chronic skin wounds and improving soft tissue with few side effects.

Micrografts improve hair density and thickness without side effects.

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

Stem cell treatments may improve burn wound healing.

Mice genetically modified to produce more CD109 in their skin had less inflammation and better healing with less scarring.