Infectious disease researchers led by Anthony Fauci at the National Institute of Allergy and Infectious Diseases have found what they've determined to be a new receptor molecule for HIV, reports the New York Times. Adding another one to the arsenal of potential HIV drug targets, they found that integrin alpha-4 beta-7, which naturally directs immune cells to the gut, is also a receptor for the virus. It works by binding to the virus and guiding it to the gut. "They begin to shed light on the mysterious process on why the virus preferentially grows in the gut," Warner C. Greene, an AIDS expert, is quoted as saying.
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