title: No selection for CCR5 coreceptor usage during parenteral transmission of macrophagetropic syncytium-inducing human immunodeficiency virus type 1.
abstract: In two cases of parenteral transmission of human immunodeficiency virus type 1 (HIV-1) syncitium-inducing (SI) variants, we previously observed selection for macrophagetropic variants. Although infection of macrophages is generally mediated via CCR5, we found no selection for SI variants that could use CCR5 as coreceptor in addition to CXCR4, suggesting that features other than coreceptor usage account for the macrophagetropism of these transmitted SI HIV-1 variants.
authors.affiliation: Department of Clinical Viro Immunology, CLB-Sanquin, and Laboratory for Experimental and Clinical Immunology, Academic Medical Center, University of Amsterdam, Amsterdam, The Netherlands.
authors.forename: F A
authors.initials: FA
authors.lastname: Koning
authors.forename: D
authors.initials: D
authors.lastname: Schols
authors.forename: H
authors.initials: H
authors.lastname: Schuitemaker
mesh_terms: D000595:Amino Acid Sequence; D018946:Chemokine CCL5 / Q000378:metabolism; D054377:Chemokine CXCL12; D019743:Chemokines, CXC / Q000378:metabolism; D015726:Giant Cells; D015658:HIV Infections / Q000635:transmission / Q000821:virology*; D015497:HIV-1 / Q000302:isolation & purification / Q000378:metabolism*; D006801:Humans; D008264:Macrophages / Q000378:metabolism*; D008297:Male; D008969:Molecular Sequence Data; D054397:Receptors, CCR3; D019713:Receptors, CCR5 / Q000378:metabolism*; D019718:Receptors, CXCR4 / Q000378:metabolism; D019707:Receptors, Chemokine / Q000378:metabolism; D014407:Tumor Cells, Cultured
chemical_list: C515350:CCR3 protein, human; C515255:CXCL12 protein, human; D018946:Chemokine CCL5; D054377:Chemokine CXCL12; D019743:Chemokines, CXC; D054397:Receptors, CCR3; D019713:Receptors, CCR5; D019718:Receptors, CXCR4; D019707:Receptors, Chemokine