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| pubmed-article:9780207 | lifeskim:mentions | umls-concept:C0019704 | lld:lifeskim |
| pubmed-article:9780207 | lifeskim:mentions | umls-concept:C0026473 | lld:lifeskim |
| pubmed-article:9780207 | lifeskim:mentions | umls-concept:C1622204 | lld:lifeskim |
| pubmed-article:9780207 | lifeskim:mentions | umls-concept:C0282554 | lld:lifeskim |
| pubmed-article:9780207 | lifeskim:mentions | umls-concept:C0524914 | lld:lifeskim |
| pubmed-article:9780207 | lifeskim:mentions | umls-concept:C0019691 | lld:lifeskim |
| pubmed-article:9780207 | lifeskim:mentions | umls-concept:C1704632 | lld:lifeskim |
| pubmed-article:9780207 | lifeskim:mentions | umls-concept:C0871261 | lld:lifeskim |
| pubmed-article:9780207 | lifeskim:mentions | umls-concept:C1332714 | lld:lifeskim |
| pubmed-article:9780207 | lifeskim:mentions | umls-concept:C2911692 | lld:lifeskim |
| pubmed-article:9780207 | lifeskim:mentions | umls-concept:C1706817 | lld:lifeskim |
| pubmed-article:9780207 | lifeskim:mentions | umls-concept:C0949469 | lld:lifeskim |
| pubmed-article:9780207 | pubmed:issue | 8 | lld:pubmed |
| pubmed-article:9780207 | pubmed:dateCreated | 1998-11-4 | lld:pubmed |
| pubmed-article:9780207 | pubmed:abstractText | Since HIV-1 infection results in severe immunosuppression, and the envelope protein gp120 has been reported to interact with some of the chemokine receptors on human T lymphocytes, we postulated that gp120 may also affect monocyte activation by a variety of chemokines. This study shows that human peripheral blood monocytes when preincubated with gp120 either purified from laboratory-adapted strains or as recombinant proteins exhibited markedly reduced binding, calcium mobilization, and chemotactic response to chemokines. The gp-120-pretreated monocytes also showed a decreased response to FMLP. This broad inhibition of monocyte activation by chemoattractants required interaction of gp120 with CD4, since the effect of gp120 was only observed in CD4+ monocytes and in HEK 293 cells only if cotransfected with both chemokine receptors and an intact CD4, but not a CD4 lacking its cytoplasmic domain. Anti-CD4 mAbs mimicked the effect of gp120, and both anti-CD4 Ab and gp120 caused internalization of CXCR4 in HEK 293 cells provided they also expressed CD4. Staurosporine blocked the inhibitory effect of gp120 on monocytes, suggesting that cellular signaling was required for gp120 to inhibit the response of CD4+ cells to chemoattractants. Our study demonstrates a broad suppressive effect of gp120 on monocyte activation by chemoattractants through the down-regulation of cell surface receptors. Thus, gp120 may be used by HIV-1 to disarm the monocyte response to inflammatory stimulation. | lld:pubmed |
| pubmed-article:9780207 | pubmed:language | eng | lld:pubmed |
| pubmed-article:9780207 | pubmed:journal | http://linkedlifedata.com/r... | lld:pubmed |
| pubmed-article:9780207 | pubmed:citationSubset | AIM | lld:pubmed |
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| pubmed-article:9780207 | pubmed:status | MEDLINE | lld:pubmed |
| pubmed-article:9780207 | pubmed:month | Oct | lld:pubmed |
| pubmed-article:9780207 | pubmed:issn | 0022-1767 | lld:pubmed |
| pubmed-article:9780207 | pubmed:author | pubmed-author:EvansGG | lld:pubmed |
| pubmed-article:9780207 | pubmed:author | pubmed-author:UedaHH | lld:pubmed |
| pubmed-article:9780207 | pubmed:author | pubmed-author:OppenheimJ... | lld:pubmed |
| pubmed-article:9780207 | pubmed:author | pubmed-author:ArthurL OLO | lld:pubmed |
| pubmed-article:9780207 | pubmed:author | pubmed-author:RuscettiF WFW | lld:pubmed |
| pubmed-article:9780207 | pubmed:author | pubmed-author:GonyJJ | lld:pubmed |
| pubmed-article:9780207 | pubmed:author | pubmed-author:WangJ MJM | lld:pubmed |
| pubmed-article:9780207 | pubmed:author | pubmed-author:GongWW | lld:pubmed |
| pubmed-article:9780207 | pubmed:author | pubmed-author:BroderC CCC | lld:pubmed |
| pubmed-article:9780207 | pubmed:author | pubmed-author:ResauJ HJH | lld:pubmed |
| pubmed-article:9780207 | pubmed:author | pubmed-author:HowardO MOM | lld:pubmed |
| pubmed-article:9780207 | pubmed:author | pubmed-author:GrimmM CMC | lld:pubmed |
| pubmed-article:9780207 | pubmed:author | pubmed-author:ChertovOO | lld:pubmed |
| pubmed-article:9780207 | pubmed:issnType | Print | lld:pubmed |
| pubmed-article:9780207 | pubmed:day | 15 | lld:pubmed |
| pubmed-article:9780207 | pubmed:volume | 161 | lld:pubmed |
| pubmed-article:9780207 | pubmed:owner | NLM | lld:pubmed |
| pubmed-article:9780207 | pubmed:authorsComplete | Y | lld:pubmed |
| pubmed-article:9780207 | pubmed:pagination | 4309-17 | lld:pubmed |
| pubmed-article:9780207 | pubmed:dateRevised | 2004-11-17 | lld:pubmed |
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| pubmed-article:9780207 | pubmed:meshHeading | pubmed-meshheading:9780207-... | lld:pubmed |
| pubmed-article:9780207 | pubmed:year | 1998 | lld:pubmed |
| pubmed-article:9780207 | pubmed:articleTitle | HIV-1 envelope gp120 inhibits the monocyte response to chemokines through CD4 signal-dependent chemokine receptor down-regulation. | lld:pubmed |
| pubmed-article:9780207 | pubmed:affiliation | Laboratory of Molecular Immunoregulation, Division of Basic Sciences, National Cancer Institute, Frederick Cancer Research and Development Center, MD 21702-1201, USA. wangji@fcrfv1.ncifcrf.gov | lld:pubmed |
| pubmed-article:9780207 | pubmed:publicationType | Journal Article | lld:pubmed |
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