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A 3-month stay in space causes skin thinning, disrupts hair growth, and changes muscle-related genes in mice.

The study found that hair follicles are above muscle connections in the scalp, which may help protect stem cell areas.

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

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.

Using human fat tissue derived stem cells in micrografts can safely and effectively increase hair density in people with hair loss.

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.

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.

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.

Skin fat plays a key role in immune defense and healing beyond just storing energy.

Micrografts improve hair density and thickness without side effects.

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

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

Both human and animal-derived small extracellular vesicles speed up skin healing equally well.

Fat tissue extract may help treat vitiligo by reducing cell stress and promoting skin repair.

Biomaterials combined with stem cells show promise for improving tissue repair and medical treatments.

Different stem cells have benefits and challenges for tissue repair, and more research is needed to find the best types for each use.

Asia has made significant progress in tissue engineering and regenerative medicine, but wider clinical use requires more development.

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