Rockefeller University Press
Immune protein fends off exotic virus
Published in TB and Outbreaks Week, February 16th, 2010
A study published online on February 1 in the Journal of Experimental Medicine (www.jem.org) shows that antiviral proteins called type I interferons (IFNs) are needed to fend off infection with an exotic mosquito-borne virus called Chikungunya virus. This pathogen, which causes high fevers and severe joint pain, triggered a recent epidemic in Southeast Asia, infecting more than 30% of the population in some areas.
A team led by Marc Lecuit and Matthew Albert at the Pasteur Institute in Paris found that individuals infected with Chikungunya virus had increased levels of type I IFNs in their blood. But the source of the virus-fighting IFN proteins came as a surprise....
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