How does a frog heal wounded skin without scarring?

When a Xenopus frog is deeply wounded, its skin can regenerate without scarring. Researchers have found that cells under the skin contribute to this regeneration after an excision injury.

Sea urchin spines could fix bones

More than 2 million procedures every year take place around the world to heal bone fractures and defects from trauma or disease, making bone the second most commonly transplanted tissue after blood. To help improve the outcomes ...

Provocative prions may protect yeast cells from stress

Prions have a notorious reputation. They cause neurodegenerative disease, namely mad cow/Creutzfeld-Jakob disease. And the way these protein particles propagate—getting other proteins to join the pile—can seem insidious.

New stem cell technique shows promise for bone repair

A recent study, affiliated with UNIST has developed a new method of repairing injured bone using stem cells from human bone marrow and a carbon material with photocatalytic properties, which could lead to powerful treatments ...

Cell death: How a protein drives immune cells to suicide

For some pathogens, attack is the best form of defense—they enter immune cells of the human body. However, if they are detected in their hidden niche, the infected cell kills itself to re-expose the pathogens. In the EMBO ...

Clean sweep for lung cells

A molecule discovered by A*STAR researchers to switch on the formation of brush-like projections on cells may explain how cells lining the airways of lungs develop. This factor, identified in zebrafish and tadpoles, but also ...

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