Abstract:
:We characterized human immunodeficiency virus type 1 (HIV-1) envelope glycoproteins (Env) isolated from two HIV-1-infected CCR5delta32 homozygotes. Envs from both subjects used CCR5 and CXCR4 for entry into transfected cells. Most R5X4 Envs were lymphocyte-tropic and used CXCR4 exclusively for entry into peripheral blood mononuclear cells (PBMC), but a subset was dually lymphocyte- and macrophage-tropic and used either CCR5 or CXCR4 for entry into PBMC and monocyte-derived macrophages. The persistence of CCR5-using HIV-1 in two CCR5delta32 homozygotes suggests the conserved CCR5 binding domain of Env is highly stable and provides new mechanistic insights important for HIV-1 transmission and persistence.
journal_name
J Viroljournal_title
Journal of virologyauthors
Gray L,Churchill MJ,Keane N,Sterjovski J,Ellett AM,Purcell DF,Poumbourios P,Kol C,Wang B,Saksena NK,Wesselingh SL,Price P,French M,Gabuzda D,Gorry PRdoi
10.1128/JVI.80.7.3684-3691.2006subject
Has Abstractpub_date
2006-04-01 00:00:00pages
3684-91issue
7eissn
0022-538Xissn
1098-5514pii
80/7/3684journal_volume
80pub_type
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