Bloomberg News

AIDS-Blocking Protein Found in Blood of Some Carriers, NIH Says

May 29, 2012

A protein that suppresses the AIDS virus has been identified in the blood of some infected people, opening a new door for developing drugs and vaccines against the disease.

The protein, called CXCL4, prevents HIV from attaching to or entering healthy human cells, the U.S. National Institutes of Health said in an e-mailed statement today. It was identified by scientists led by Paolo Lusso at the National Institute of Allergy and Infectious Diseases.

To contact the reporter on this story: Simeon Bennett in Geneva at

To contact the editor responsible for this story: Kristen Hallam at

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