Kinetics of virus-specific CD8+ -T-cell expansion and trafficking following central nervous system infection.
CD8+ T cells control acute infection of the central nervous system (CNS) by neurotropic mouse hepatitis virus but do not suffice to achieve sterile immunity. To determine the lag between T-cell priming and optimal activity within the CNS, the accumulation of virus-specific CD8+ T cells in the CNS relative to that in peripheral lymphoid organs was assessed by using gamma interferon-specific ELISPOT assays and class I tetramer staining. Virus-specific CD8+ T cells were first detected in the cervical lymph nodes. Expansion in the spleen was delayed and less pronounced but also preceded accumulation in the CNS. The data further suggest peripheral acquisition of cytolytic function, thus enhancing CD8+ -T-cell effector function upon cognate antigen recognition in the CNS.
Marten
Norman W
NW
Department of Pathology, Keck School of Medicine, University of Southern California, 1333 San Pablo Street, Los Angeles, CA 90033, USA.
Stohlman
Stephen A
SA
Zhou
Jiehao
J
Bergmann
Cornelia C
CC
D000818:Animals; D001921:Brain / Q000276:immunology; D018414:CD8-Positive T-Lymphocytes / Q000276:immunology*; D020805:Central Nervous System Viral Diseases / Q000276:immunology* / Q000821:virology; D018352:Coronavirus Infections / Q000276:immunology; D007371:Interferon-gamma / Q000378:metabolism; D007700:Kinetics; D008198:Lymph Nodes / Q000276:immunology; D008213:Lymphocyte Activation / Q000276:immunology*; D051379:Mice; D006517:Murine hepatitis virus / Q000276:immunology*; D013154:Spleen / Q000276:immunology
D007371:Interferon-gamma