Source:http://linkedlifedata.com/resource/pubmed/id/19091370
Switch to
Predicate | Object |
---|---|
rdf:type | |
lifeskim:mentions | |
pubmed:issue |
1
|
pubmed:dateCreated |
2009-1-27
|
pubmed:abstractText |
It is unknown which HIV proteins to target by vaccination in order to generate the most effective CD8 T-cell immunity. We recently immunized SIV(mac251)-infected pigtail macaques with Gag peptides or a cocktail of peptides spanning all SIV proteins, including SIV Env. High-level SIV Env-specific CD8 T-cell responses were generated and 7 novel Env-specific CD8 T-cell epitopes in 10 animals were mapped. Env-specific CD8 T-cell responses were significantly inferior to Gag-specific responses, and no better than unvaccinated control animals, in the control of SIV replication and prevention of disease. Escape mutations emerged within several Env-specific CTL epitopes, suggesting at least some pressure imparted by the Env CTL responses, but this did not correlate with significantly reduced SIV replication. We conclude Env-specific CTL may not be the most effective response to induce by vaccination.
|
pubmed:language |
eng
|
pubmed:journal | |
pubmed:citationSubset |
IM
|
pubmed:chemical | |
pubmed:status |
MEDLINE
|
pubmed:month |
Feb
|
pubmed:issn |
1096-0341
|
pubmed:author | |
pubmed:issnType |
Electronic
|
pubmed:day |
5
|
pubmed:volume |
384
|
pubmed:owner |
NLM
|
pubmed:authorsComplete |
Y
|
pubmed:pagination |
21-7
|
pubmed:meshHeading |
pubmed-meshheading:19091370-Animals,
pubmed-meshheading:19091370-CD8-Positive T-Lymphocytes,
pubmed-meshheading:19091370-Epitopes,
pubmed-meshheading:19091370-Gene Products, gag,
pubmed-meshheading:19091370-Macaca,
pubmed-meshheading:19091370-Simian Acquired Immunodeficiency Syndrome,
pubmed-meshheading:19091370-Simian immunodeficiency virus,
pubmed-meshheading:19091370-T-Cell Antigen Receptor Specificity,
pubmed-meshheading:19091370-T-Lymphocytes, Cytotoxic,
pubmed-meshheading:19091370-Treatment Failure,
pubmed-meshheading:19091370-Viral Envelope Proteins,
pubmed-meshheading:19091370-Viral Vaccines
|
pubmed:year |
2009
|
pubmed:articleTitle |
Substantial envelope-specific CD8 T-cell immunity fails to control SIV disease.
|
pubmed:affiliation |
Department of Microbiology and Immunology, University of Melbourne, Parkville Victoria, Australia.
|
pubmed:publicationType |
Journal Article
|