Abstract
The cytotoxic T-cell response induced by primary Epstein-Barr virus (EBV) infection and detectable in the blood of infectious mononucleosis (IM) patients shows several unusual features when tested in in vitro assays. Lysis of EBV-transformed target lines occurs with no apparent HLA restriction, and the putative EBV specificity of the response has been seriously questioned. In the present work we show that the primary T-cell response in IM is polyclonal and indeed does contain a virus-specific HLA class I antigen-restricted component, which can be selectively expanded in vitro in the presence of appropriate stimulator cells and IL-2. This allows functional analysis of the virus-specific component of the response in the absence of co-resident reactivities. Studies on blood samples taken from individuals in the acute phase of IM and again post-convalescence suggest that functionally similar populations of HLA class I-restricted cytotoxic T cells are involved in the control of both the primary and persistent phase of EBV infection.
MeSH Terms
Acute Disease
Antigens, Viral/immunology
Cell Division
Cytotoxicity, Immunologic
HLA Antigens/analysis
Herpesvirus 4, Human/immunology
Humans
Immunologic Memory
In Vitro Techniques
Infectious Mononucleosis/immunology
Lymphocyte Activation
T-Lymphocytes, Cytotoxic/immunology
Chemicals
Antigens, Viral
HLA Antigens
Authors & Affiliations
2 authors, click to expand affiliations / ORCID
Strang G
Department of Cancer Studies, University of Birmingham, U.K.
Rickinson A B
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