Linked Life Data

8906753

Source:http://linkedlifedata.com/resource/pubmed/id/8906753

Statements in which the resource exists as a subject.
PredicateObject
rdf:type
lifeskim:mentions
pubmed:issue
2
pubmed:dateCreated
1997-1-2
pubmed:abstractText
Using monoclonal antibodies against CD45, CD45RA, CD45RB, and CD45RO, the surface density of expression and proportions of different CD45 isoforms were analyzed on CD4+ and CD8+ T lymphocyte subsets in HIV+ patients and controls. Analysis of the relative specific fluorescence (RSF) of CD45 isoforms showed a significant reduction in expression of total CD45 and its isoforms, CD45RA, CD45RO, and CD45RB, on CD4+ and CD8+ lymphocyte subsets in HIV+ patients compared with controls. However, expression of phosphotyrosine in the cytoplasm of CD4+ and CD8+ lymphocytes did not differ significantly between HIV+ patients and controls. Percentages of "naive" CD45RA+RO- CD4+ and CD8+ lymphocytes were lower than control values in all HIV+ patients (P < 0.001). Compared with controls, HIV+ patients had similar percentages of "memory" CD45RA-RO+ CD4+ lymphocytes but significantly higher percentages of memory CD8+ lymphocytes (P < 0.001). Percentages of memory CD8+ lymphocytes were lowest in patients with AIDS (P < 0.001). The consistent reduction in surface expression of all CD45 isoforms observed in our study may be of relevance to the impaired T cell activation characteristic of HIV infection. Also, our results argue against the selective depletion of memory CD4+ lymphocytes in HIV-induced disease.
pubmed:language
eng
pubmed:journal
pubmed:citationSubset
IM
pubmed:chemical
pubmed:status
MEDLINE
pubmed:month
Nov
pubmed:issn
0090-1229
pubmed:author
pubmed:issnType
Print
pubmed:volume
81
pubmed:owner
NLM
pubmed:authorsComplete
Y
pubmed:pagination
210-4
pubmed:dateRevised
2007-11-15
pubmed:meshHeading
pubmed:year
1996
pubmed:articleTitle
Abnormalities of CD45 isoform expression in HIV infection.
pubmed:affiliation
Department of Immunology, King's College Hospital, London, United Kingdom.
pubmed:publicationType
Journal Article, Research Support, Non-U.S. Gov't