T cell exhaustion, i.e. the loss of T cell function and deletion of virus-specific T cell responses, is a typical feature of chronic viral infection. In contrast, infection with cytomegalovirus (CMV), which is evident in 60–80% of the population at 80 years old in the developed world, drives a very different T cell response. CMV-specific T cells adopt a memory-effector phenotype and are maintained or accumulate in a process named ``memory inflation''. On pages 84–90, O’Hara et al., examine the factors that contribute to memory inflation and discuss how CMV-specific T cells might affect immune responses in the elderly. They also consider the possibility of exploiting memory inflation in vaccine strategies to protect against infection and cancer. Cover image designed by Geraldine O’Hara, University of Oxford.
Cell Press lauds the achievements of Bruce A. Beutler, Cell Host &
Microbe Editorial Board member Jules A. Hoffmann, and the late Ralph M. Steinman,
recipients of the 2011 Nobel Prize in Physiology or Medicine.
Read the award winners' research published in Cell Press journals FREE including Dr.
Hoffmann's groundbreaking 1996 paper in Cell that garnered him the prize: http://www.cell.com/cellpress/nobelprize2011
Trends in Immunology welcomes Jürgen Ruland and Steven Ziegler to the Advisory Editorial Board.
Trends in Immunology publishes concise, lively and up-to-date articles that highlight advances in the diverse fields of immunology. Review and Opinion articles form the basis of each monthly issue. Review articles objectively chronicle recent and important developments in a field. Opinion articles provide a forum for debate and hypothesis. Articles are generally invited by the Editor but proposals are welcome. Proposals should be sent to the editor (immunology@elsevier.com), as a brief summary that includes key references.
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Emerging cellular networks for regulation of T follicular helper cells Cecile King, and Jonathan Sprent |
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CD169+ macrophages at the crossroads of antigen presentation Luisa Martinez-Pomares, and Siamon Gordon |
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New directions in the basic and translational biology of interleukin-27 Elia D. Tait Wojno, and Christopher A. Hunter |
For a complete list of articles in this issue, click here.
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Differential macrophage programming in the tumor microenvironment Brian Ruffell, Nesrine I. Affara, and Lisa M. Coussens |
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How mesenchymal stem cells interact with tissue immune responses Yufang Shi, Juanjuan Su, Arthur I. Roberts, Peishun Shou, Arnold B. Rabson, and Guangwen Ren |
For a complete list of Online Now articles , click here.
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These are the five most downloaded papers for the 30 days preceding February 4, 2012. See full list of most read articles