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Host or foreign — the body’s frontline defense mechanism understood

This week, the highly-respected US Academy of Sciences journal (PNAS) published an article describing how the first line of defence of the human immune system distinguishes between microbes and the body's own structures. The basis of this recognitio...

There’s a new ‘officer’ in the infection control army

Johns Hopkins scientists have identified a previously unrecognized step in the activation of infection-fighting white blood cells, the main immunity troops in the body's war on bacteria, viruses and foreign proteins. "It's as if we knew many of ...

Scientists identify molecular gatekeeper of arthritis

Elimination of a molecular gatekeeper leads to the development of arthritis in mice, scientists report in a study published in the Journal of Experimental Medicine. The newly discovered gatekeeper is a protein that determines the fate -- survival o...

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