NDLI: Characterization of CD8+ T Cell Function and Immunodominance Generated with an H2O2-Inactivated Whole-Virus Vaccine

Content Provider	PubMed Central
Author	Walker, Joshua M. Raué, Hans-peter Slifka, Mark K.
Copyright Year	2012
Abstract	CD8+ T cells play an important role in protection against both acute and persistent viral infections, and new vaccines that induce CD8+ T cell immunity are currently needed. Here, we show that lymphocytic choriomeningitis virus (LCMV)-specific CD8+ T cells can be generated in response to a nonreplicating H2O2-inactivated whole-virus vaccine (H2O2-LCMV). Vaccine-induced CD8+ T cell responses exhibited an increased ability to produce multiple cytokines at early time points following immunization compared to infection-induced responses. Vaccination with H2O2-LCMV induced the expansion of a narrow subset of the antigen-specific CD8+ T cells induced by LCMV strain Arm infection, resulting in a distinct immunodominance hierarchy. Acute LCMV infection stimulated immunodominance patterns that shifted over time or after secondary infection, whereas vaccine-generated immunodominance profiles remained remarkably stable even following subsequent viral infection. Vaccine-induced CD8+ T cell populations expanded sharply in response to challenge and were then maintained at high levels, with responses to individual epitopes occupying up to 40% of the CD8+ T cell compartment at 35 days after challenge. H2O2-LCMV vaccination protected animals against challenge with chronic LCMV clone 13, and protection was mediated by CD8+ T cells. These results indicate that vaccination with an H2O2-inactivated whole-virus vaccine induces LCMV-specific CD8+ T cells with unique functional characteristics and provides a useful model for studying CD8+ T cells elicited in the absence of active viral infection.
Related Links	http://dx.doi.org/10.1128/jvi.02178-12
Ending Page	13744
Page Count	10
Starting Page	13735
File Format	PDF
ISSN	0022538X
e-ISSN	10985514
Journal	Journal of Virology
Issue Number	24
Volume Number	86
Language	English
Publisher	American Society for Microbiology
Publisher Date	2012-12-15
Access Restriction	Open
Rights Holder	American Society for Microbiology
Subject Keyword	Immunology Virology Research in Higher Education
Content Type	Text
Resource Type	Article
Subject	Virology Immunology Microbiology Insect Science

Sl.	Authority	Responsibilities	Communication Details
1	Ministry of Education (GoI), Department of Higher Education	Sanctioning Authority	https://www.education.gov.in/ict-initiatives
2	Indian Institute of Technology Kharagpur	Host Institute of the Project: The host institute of the project is responsible for providing infrastructure support and hosting the project	https://www.iitkgp.ac.in
3	National Digital Library of India Office, Indian Institute of Technology Kharagpur	The administrative and infrastructural headquarters of the project	Dr. B. Sutradhar bsutra@ndl.gov.in
4	Project PI / Joint PI	Principal Investigator and Joint Principal Investigators of the project	Dr. B. Sutradhar bsutra@ndl.gov.in Prof. Saswat Chakrabarti will be added soon
5	Website/Portal (Helpdesk)	Queries regarding NDLI and its services	support@ndl.gov.in
6	Contents and Copyright Issues	Queries related to content curation and copyright issues	content@ndl.gov.in
7	National Digital Library of India Club (NDLI Club)	Queries related to NDLI Club formation, support, user awareness program, seminar/symposium, collaboration, social media, promotion, and outreach	clubsupport@ndl.gov.in
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9	IDR Setup or Support	Queries related to establishment and support of Institutional Digital Repository (IDR) and IDR workshops	idr@ndl.gov.in

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