The Efficacy of Antigen Processing Is Critical for Protection against Cytomegalovirus Disease in the Presence of Viral Immune Evasion Proteins

被引：26

作者：

Holtappels, Rafaela ^{[1
]}

Thomas, Doris ^{[1
]}

Reddehase, Matthias J. ^{[1
]}

机构：

[1] Johannes Gutenberg Univ Mainz, Univ Med Ctr, Inst Virol, D-55131 Mainz, Germany

来源：

JOURNAL OF VIROLOGY | 2009年 / 83卷 / 18期

关键词：

CD8; T-CELLS; CLASS-I MOLECULES; MURINE CYTOMEGALOVIRUS; PREEMPTIVE IMMUNOTHERAPY; ADOPTIVE TRANSFER; PEPTIDE; VIVO; INFECTION; IMMUNOEVASINS; COMPLEXES;

D O I：

10.1128/JVI.00936-09

中图分类号：

Q93 [微生物学];

学科分类号：

071005 ; 100705 ;

摘要：

Cytomegaloviruses (CMVs) code for immunoevasins, glycoproteins that are specifically dedicated to interfere with the presentation of antigenic peptides to CD8 T cells. Nonetheless, the biological outcome is not an immune evasion of the virus, since CD8 T cells can control CMV infection even when immunoevasins are expressed. Here, we compare the processing of a protective and a nonprotective epitope derived from the same viral protein, the antiapoptotic protein M45 in the murine model. The data provide evidence to conclude that protection against CMVs critically depends on antigenic peptides generated in an amount sufficient to exhaust the inhibitory capacity of immunoevasins.

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收藏

页码：9611 / 9615

页数：5

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