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HIV gets the zinc finger

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Because all animal viruses initiate infection by binding to a receptor on the cell surface, this step has long been considered a prime target for antiviral therapy. Unfortunately, drugs that block virus attachment to cells have never shown much promise. Another approach, which is to ablate the receptor from the cell surface, is also problematic because these molecules have essential cellular functions. Removing one of the receptors for human immunodeficiency virus type 1 might be an exception.
 
 

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