Toxoplasma's balancing act explained

The parasite Toxoplasma gondii is a silent success. It infects up to 95% of people in many regions of the world, and most of them never know it, due to the parasite's artful manipulation of its host's immune response. Toxoplasma ...

New tool uses UV light to control inflammation

Black light does more than make posters glow. Cornell researchers have developed a chemical tool to control inflammation that is activated by ultraviolet (UV) light.

Study decodes structure of protein complex active in DNA repair

The human body, if anything, is economical. The fittingly named and abundant protein ubiquitin is best known for its central role in recycling misfolded proteins. But it has other functions, too - the addition or removal ...

Tissue regeneration using anti-inflammatory nanomolecules

Anyone who has suffered an injury can probably remember the after-effects, including pain, swelling or redness. These are signs that the body is fighting back against the injury. When tissue in the body is damaged, biological ...

Scientists sleuth out proteins involved in Crohn's disease

(Phys.org) —University of Delaware researchers have identified a protein, hiding in plain sight, that acts like a bodyguard to help protect and stabilize another key protein, that when unstable, is involved in Crohn's disease. ...

Teamwork against mutant free riders

(Phys.org)—Pathogenic salmonellae rely on a division of labour: some of them see to the common wellbeing, while others are able to stand up to free rider salmonellae better. This teamwork bears certain similarities to that ...

When parasites catch viruses

When humans have parasites, the organisms live in our bodies, co-opt our resources and cause disease. However, it turns out that parasites themselves can have their own co-habitants.

Could viruses be used to treat acne?

Watch out, acne. Doctors soon may have a new weapon against zits: a harmless virus living on our skin that naturally seeks out and kills the bacteria that cause pimples.

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