Statements in which the resource exists as a subject.
PredicateObject
rdf:type
lifeskim:mentions
pubmed:issue
5
pubmed:dateCreated
2000-6-7
pubmed:abstractText
Human immunodeficiency virus type 1 (HIV-1) has been found in the vitreous of persons with AIDS. Here we investigated the susceptibility of human retinal pigment epithelial (RPE) cells to HIV-1 infection in culture and the effects of HIV-1 on the phagocytic function of the RPE. We found that 10 of 11 populations of RPE cells isolated from different fetal or adult eyes were susceptible to low-level replication of HIV-1/NL4-3 as determined by the detection of viral DNA and spliced viral RNA encoding envelope. HIV-1 infection was not inhibited by recombinant soluble CD4, suggesting that CD4 is not required for virus entry into RPE cells. RPE cells fused with target cells constitutively expressing HIV-1 envelope glycoproteins, indicating that HIV-1 enters cells by receptor-mediated fusion. Exposure to HIV-1 or recombinant gp120 caused a two- to four-fold increase in the binding and uptake of isolated rod outer segments by RPE cells. These findings introduce a new cell target of HIV-1 replication in the eye and indicate that RPE cells function aberrantly when exposed to HIV-1 or its envelope glycoprotein.
pubmed:grant
pubmed:language
eng
pubmed:journal
pubmed:citationSubset
IM
pubmed:chemical
pubmed:status
MEDLINE
pubmed:month
Mar
pubmed:issn
0889-2229
pubmed:author
pubmed:issnType
Print
pubmed:day
20
pubmed:volume
16
pubmed:owner
NLM
pubmed:authorsComplete
Y
pubmed:pagination
453-63
pubmed:dateRevised
2008-11-21
pubmed:meshHeading
pubmed-meshheading:10772531-Adult, pubmed-meshheading:10772531-Animals, pubmed-meshheading:10772531-Antigens, CD4, pubmed-meshheading:10772531-CHO Cells, pubmed-meshheading:10772531-Cell Fusion, pubmed-meshheading:10772531-Cells, Cultured, pubmed-meshheading:10772531-Cricetinae, pubmed-meshheading:10772531-DNA, Viral, pubmed-meshheading:10772531-Epithelial Cells, pubmed-meshheading:10772531-Fetus, pubmed-meshheading:10772531-HIV Envelope Protein gp120, pubmed-meshheading:10772531-HIV-1, pubmed-meshheading:10772531-Humans, pubmed-meshheading:10772531-Phagocytosis, pubmed-meshheading:10772531-Pigment Epithelium of Eye, pubmed-meshheading:10772531-Polymerase Chain Reaction, pubmed-meshheading:10772531-RNA, Viral, pubmed-meshheading:10772531-Recombinant Proteins, pubmed-meshheading:10772531-Rod Cell Outer Segment, pubmed-meshheading:10772531-Virus Replication
pubmed:year
2000
pubmed:articleTitle
Human immunodeficiency virus type 1 can infect human retinal pigment epithelial cells in culture and alter the ability of the cells to phagocytose rod outer segment membranes.
pubmed:affiliation
Molecular Virology Laboratory, St. Luke's/Roosevelt Hospital Center, Columbia University, New York, New York 10019, USA.
pubmed:publicationType
Journal Article, Comparative Study, Research Support, U.S. Gov't, P.H.S., Research Support, Non-U.S. Gov't