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Definition of CXCR4

CXCR4: A chemokine receptor found on a wide variety of cells that serves as the coreceptor for HIV. HIV strains that use CXCR4 are referred to as X4 viruses.

Source: MedTerms™ Medical Dictionary
http://www.medterms.com/script/main/art.asp?articlekey=33460
Last Editorial Review: 6/14/2012

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