| pubmed-article:10816382 | rdf:type | pubmed:Citation | lld:pubmed |
| pubmed-article:10816382 | lifeskim:mentions | umls-concept:C0009013 | lld:lifeskim |
| pubmed-article:10816382 | lifeskim:mentions | umls-concept:C0019691 | lld:lifeskim |
| pubmed-article:10816382 | lifeskim:mentions | umls-concept:C1332823 | lld:lifeskim |
| pubmed-article:10816382 | lifeskim:mentions | umls-concept:C1332714 | lld:lifeskim |
| pubmed-article:10816382 | lifeskim:mentions | umls-concept:C0332466 | lld:lifeskim |
| pubmed-article:10816382 | lifeskim:mentions | umls-concept:C0332325 | lld:lifeskim |
| pubmed-article:10816382 | lifeskim:mentions | umls-concept:C0439855 | lld:lifeskim |
| pubmed-article:10816382 | lifeskim:mentions | umls-concept:C1522492 | lld:lifeskim |
| pubmed-article:10816382 | pubmed:issue | 3 | lld:pubmed |
| pubmed-article:10816382 | pubmed:dateCreated | 2000-6-28 | lld:pubmed |
| pubmed-article:10816382 | pubmed:abstractText | Certain subclones (designated as minus clones) of the promonocytic U937 cell line do not support efficient infection and fusion mediated by T cell line adapted (TCLA) X4 HIV-1 gp120-gp41 (Env) although the CXCR4 and CD4 concentrations at their surfaces are similar to those at the surfaces of clones susceptible to HIV-1 entry (plus clones) (H. Moriuchi et al., J. Virol. 71, 9664-9671, 1997). To test the hypothesis that inefficient formation of gp120-CD4-CXCR4 complexes could contribute to the mechanism of resistance to Env-mediated fusion in the minus clones, we incubated plus and minus cells with HIV-1 LAI gp120 and coimmunoprecipitated CD4 by using anti-CXCR4 antibodies. The gp120 induced inefficient coimmunoprecipitation of CD4 in the minus clones but not in the plus ones. Overexpression of CD4 resulted in significant restoration of the minus clones' susceptibility to fusion in parallel with an increase in the amount of the gp120-CD4-CXCR4 complexes. These results not only suggest that the resistance to TCLA X4 HIV-1 entry in the U937 minus clones is due to the inability of these cells to efficiently form complexes among CD4, gp120, and CXCR4, but also provide a direct evidence for the correlation between fusion and the cell surface concentration of the complexes among CXCR4, CD4, and gp120. These data and similar recent observations in macrophages suggest that inefficient complex formation among CXCR4, CD4, and gp120 could be a general mechanism of cell resistance to gp120-gp41-mediated fusion and a major determinant of HIV-1 evolution in vivo. | lld:pubmed |
| pubmed-article:10816382 | pubmed:grant | http://linkedlifedata.com/r... | lld:pubmed |
| pubmed-article:10816382 | pubmed:grant | http://linkedlifedata.com/r... | lld:pubmed |
| pubmed-article:10816382 | pubmed:language | eng | lld:pubmed |
| pubmed-article:10816382 | pubmed:journal | http://linkedlifedata.com/r... | lld:pubmed |
| pubmed-article:10816382 | pubmed:citationSubset | IM | lld:pubmed |
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| pubmed-article:10816382 | pubmed:status | MEDLINE | lld:pubmed |
| pubmed-article:10816382 | pubmed:month | Jun | lld:pubmed |
| pubmed-article:10816382 | pubmed:issn | 0014-4800 | lld:pubmed |
| pubmed-article:10816382 | pubmed:author | pubmed-author:MoriuchiHH | lld:pubmed |
| pubmed-article:10816382 | pubmed:author | pubmed-author:MoriuchiMM | lld:pubmed |
| pubmed-article:10816382 | pubmed:author | pubmed-author:XiaoXX | lld:pubmed |
| pubmed-article:10816382 | pubmed:author | pubmed-author:BroderC CCC | lld:pubmed |
| pubmed-article:10816382 | pubmed:author | pubmed-author:DimitrovD SDS | lld:pubmed |
| pubmed-article:10816382 | pubmed:author | pubmed-author:NorwoodDD | lld:pubmed |
| pubmed-article:10816382 | pubmed:author | pubmed-author:Jones-TrowerA... | lld:pubmed |
| pubmed-article:10816382 | pubmed:author | pubmed-author:FengY RYR | lld:pubmed |
| pubmed-article:10816382 | pubmed:author | pubmed-author:StantchevT... | lld:pubmed |
| pubmed-article:10816382 | pubmed:copyrightInfo | Copyright 2000 Academic Press. | lld:pubmed |
| pubmed-article:10816382 | pubmed:issnType | Print | lld:pubmed |
| pubmed-article:10816382 | pubmed:volume | 68 | lld:pubmed |
| pubmed-article:10816382 | pubmed:owner | NLM | lld:pubmed |
| pubmed-article:10816382 | pubmed:authorsComplete | Y | lld:pubmed |
| pubmed-article:10816382 | pubmed:pagination | 139-46 | lld:pubmed |
| pubmed-article:10816382 | pubmed:dateRevised | 2008-11-21 | lld:pubmed |
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| pubmed-article:10816382 | pubmed:meshHeading | pubmed-meshheading:10816382... | lld:pubmed |
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| pubmed-article:10816382 | pubmed:meshHeading | pubmed-meshheading:10816382... | lld:pubmed |
| pubmed-article:10816382 | pubmed:year | 2000 | lld:pubmed |
| pubmed-article:10816382 | pubmed:articleTitle | Inefficient formation of a complex among CXCR4, CD4 and gp120 in U937 clones resistant to X4 gp120-gp41-mediated fusion. | lld:pubmed |
| pubmed-article:10816382 | pubmed:affiliation | Laboratory of Experimental and Computational Biology, NCI-FCRDC, NIH, Frederick, Maryland, 21702-1201, USA. | lld:pubmed |
| pubmed-article:10816382 | pubmed:publicationType | Journal Article | lld:pubmed |
| pubmed-article:10816382 | pubmed:publicationType | Research Support, U.S. Gov't, P.H.S. | lld:pubmed |
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