ScienceDaily: Chronic Infection Now Clearly Tied To Immune-system Protein

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ScienceDaily:

Chronic Infection Now Clearly Tied To Immune-system Protein

http://www.sciencedaily.com/releases/2009/05/090514153036.htm

A new study finds the cross-talk between 'killer T-cells' and 'helper T-cells'

can only happen in the presence of interleukin-21, a powerful immune-system

protein. Researchers say if interleukin-21 is missing, the immune system's

anti-viral efforts fail. The study mice were treated for lymphocytic

choriomeningitis.

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