Loss of DNAM-1 contributes to CD8+ T-cell exhaustion in chronic HIV-1 infection

被引:46
作者
Cella, Marina [1 ]
Presti, Rachel [1 ]
Vermi, William [2 ]
Lavender, Kerry [3 ]
Turnbull, Emma [3 ]
Ochsenbauer-Jambor, Christina [4 ]
Kappes, John C. [4 ]
Ferrari, Guido [5 ]
Kessels, Lisa [6 ]
Williams, Ian [7 ]
McMichael, Andrew J. [8 ]
Haynes, Barton F. [5 ]
Borrow, Persephone [3 ]
Colonna, Marco [1 ]
机构
[1] Washington Univ, Sch Med, Dept Pathol, St Louis, MO 63110 USA
[2] Univ Brescia, Spedali Civili, Dept Pathol 1, Brescia, Italy
[3] Univ Oxford, Jenner Inst, Compton, England
[4] Univ Alabama Birmingham, Birmingham, AL USA
[5] Duke Univ, Med Ctr, Durham, NC USA
[6] Washington Univ, Sch Med, AIDS Clin Trial Unit, St Louis, MO 63110 USA
[7] Mortimer Market Ctr, Ctr Sexual Hlth & HIV Res, London, England
[8] Univ Oxford, Human Immunol Unit, Weatherall Inst Mol Med, MRC, Oxford, England
关键词
Co-stimulation; Exhaustion; HIV-1; LYMPHOCYTES; PD-1;
D O I
10.1002/eji.200940234
中图分类号
R392 [医学免疫学]; Q939.91 [免疫学];
学科分类号
100102 ;
摘要
The hallmark of chronic viral infections is a progressive exhaustion of antigen-specific CD8(+) T cells that leads to persisting viral replication. It is generally believed that exhaustion is a consequence of the accumulation of multiple inhibitory receptors on CD8(+) T cells that makes them dysfunctional. Here, we show that during human chronic HIV-1 infection, a CD8(+) T-cell positive costimulatory pathway mediated by DNAX-activating molecule-1 is also disrupted. Thus, DNAX-activating molecule-1 downregulation on CD8(+) T cells aggravates the impairment of CTL effector function in chronic HIV-1 infection.
引用
收藏
页码:949 / 954
页数:6
相关论文
共 16 条
[11]   NORMAL T-LYMPHOCYTES CAN EXPRESS 2 DIFFERENT T-CELL RECEPTOR BETA-CHAINS - IMPLICATIONS FOR THE MECHANISM OF ALLELIC EXCLUSION [J].
PADOVAN, E ;
GIACHINO, C ;
CELLA, M ;
VALITUTTI, S ;
ACUTO, O ;
LANZAVECCHIA, A .
JOURNAL OF EXPERIMENTAL MEDICINE, 1995, 181 (04) :1587-1591
[12]   PD-1 is a regulator of virus-specific CD8+ T cell survival in HIV infection [J].
Petrovas, Constantinos ;
Casazza, Joseph P. ;
Brenchley, Jason M. ;
Price, David A. ;
Gostick, Emma ;
Adams, William C. ;
Precopio, Melissa L. ;
Schacker, Timothy ;
Roederer, Mario ;
Douek, Daniel C. ;
Koup, Richard A. .
JOURNAL OF EXPERIMENTAL MEDICINE, 2006, 203 (10) :2281-2292
[13]   The sound of silence: modulating anergy in T lymphocytes [J].
Sabil, Samuel D. ;
Deenick, Elissa K. ;
Ohashi, Pamela S. .
CURRENT OPINION IN IMMUNOLOGY, 2007, 19 (06) :658-664
[14]   CD8 T cell dysfunction during chronic viral infection [J].
Shin, Haina ;
Wherry, E. John .
CURRENT OPINION IN IMMUNOLOGY, 2007, 19 (04) :408-415
[15]   Upregulation of PD-1 expression on HIV-specific CD8+ T cells leads to reversible immune dysfunction [J].
Trautmann, Lydie ;
Janbazian, Loury ;
Chomont, Nicolas ;
Said, Elias A. ;
Gimmig, Sylvain ;
Bessette, Benoit ;
Boulassel, Mohamed-Rachid ;
Delwart, Eric ;
Sepulveda, Homero ;
Balderas, Robert S. ;
Routy, Jean-Pierre ;
Haddad, Elias K. ;
Sekaly, Rafick-Pierre .
NATURE MEDICINE, 2006, 12 (10) :1198-1202
[16]   Molecular signature of CD8+ T cell exhaustion during chronic viral infection [J].
Wherry, E. John ;
Ha, Sang-Jun ;
Kaech, Susan M. ;
Haining, W. Nicholas ;
Sarkar, Surojit ;
Kalia, Vandana ;
Subramaniam, Shruti ;
Blattman, Joseph N. ;
Barber, Daniel L. ;
Ahmed, Rafi .
IMMUNITY, 2007, 27 (04) :670-684