Different forms of membrane-associated herpes simplex virus glycoproteins induce functionally distinct subsets of herpes simplex virus-specific suppressor T cells
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Published:1985-10
Issue:1
Volume:56
Page:49-54
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ISSN:0022-538X
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Container-title:Journal of Virology
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language:en
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Short-container-title:J Virol
Author:
Ishioka G Y,Pizer L I,Moorhead J W
Abstract
Previous studies have shown that two types of virus-specific suppressor T cells (Ts) are induced in mice made tolerant with herpes simplex virus (HSV)-infected spleen cells (SC). One type of Ts blocks the afferent phase of the delayed hypersensitivity response to HSV (Ts-aff), and the other blocks the efferent or effector phase (Ts-eff). In this report we show that the induction requirements for these suppressor populations differ. Injection of SC infected for 6 h with HSV at a multiplicity of infection of 5 or less or treated with heat-inactivated virus induced only Ts-aff. Similar results were seen with SC incubated for 90 min in virus-free preparations containing only viral proteins. In contrast, the Ts-eff population was induced only by SC treated for 6 h with infectious HSV at a multiplicity of infection of 10. Collectively, these data indicate that Ts-aff are induced by adsorbed HSV antigens on SC, whereas Ts-eff are induced by nascent HSV antigens expressed on infected SC. In addition to their induction requirements, the two types of regulatory cells differ in their expression of effector function. Ts-eff but not Ts-aff require a cyclophosphamide-sensitive target cell in the immune recipient for suppressor function. The possible identity of this target cell and the significance of the different induction requirements between the two types of Ts are discussed.
Publisher
American Society for Microbiology
Subject
Virology,Insect Science,Immunology,Microbiology
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