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Skin grafts are effective for chronic leg ulcers, especially autologous split-thickness grafts for venous ulcers, but more data is needed for diabetic ulcers.

Wound dressing absorbs fluid, regenerates hair follicles, and heals skin burns.

Researchers created rat liver stem cells that could help repair liver failure in rats and may be useful for studying human liver diseases.

Noncoding dsRNA boosts hair growth by activating TLR3 and increasing retinoic acid.

Lung repair involves both dedicated and flexible stem cells, important for developing new treatments.

Some natural compounds may help overcome drug resistance in certain cancers, but more research is needed.

Tumor suppressors help control inflammation in cancer and restoring their function could lead to new treatments.

Drug repurposing is a cost-effective way to find new uses for existing drugs, speeding up treatment development.

Cellular senescence has both cancer-blocking and cancer-promoting effects, and targeting senescent cells may improve health and lifespan.

Vitamin D3 can help improve hair growth by enhancing the function of specific skin cells and could be useful in hair regeneration treatments.

Hair loss involves immune responses, inflammation, and disrupted signaling pathways.

Niacin derivatives may increase hair fullness in women with hair loss.

Hyaluronic acid-based HA2 hydrogel helps heal skin wounds better with less scarring.

The shape of fibrous scaffolds can improve how stem cells help heal skin.

Using defensins to activate stem cells may improve skin aging signs without causing inflammation.

The conclusion is that skin and hair patterns are formed by a mix of cell activities, molecular signals, and environmental factors.

Scientists created keratinocyte cell lines from human hair that can differentiate similarly to normal skin cells, offering a new way to study skin biology and diseases.

Blocking enzymes that help the virus enter cells could be a promising way to treat COVID-19.

Hormones and genes affect hair growth and male baldness.

Aloe vera fermentation helps heal burns faster by reducing inflammation and changing gut bacteria.

The document concludes that diagnosing and treating hair loss is complex and requires understanding its psychological effects and underlying causes, while also calling for more research and new treatments.

Hair and skin can regenerate without bulge stem cells due to other compensating cells.

Men are more likely to have severe respiratory viral infections like COVID-19 due to hormonal and genetic differences, while women generally have stronger immune responses.

About 20% of Japanese macaques had head alopecia, and stress and environment might cause hair loss.

Biotin supplements improved skin and hair problems in a girl with biotinidase deficiency.

Eating selenium-rich rice improved antioxidant activity and signs of aging in mice.

Burn scars heal abnormally and more research is needed to find better treatments.

Finasteride changes antioxidant enzyme expression, possibly affecting sperm protection in rats.

Rare changes in the KRT82 gene are linked to a higher risk of Alopecia Areata.

Changes in the HR gene have influenced hair growth and may lead to hair loss conditions in humans.