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Mtb32 is a promising tuberculosis antigen for DNA vaccination in pre- and post-exposure mouse models.

Authors
 S-S Ahn ; B-Y Jeon ; S-N Cho ; Y-C Sung ; K-S Park ; E-G Lee ; J-Y Kwack ; K-S Kim 
Citation
 Gene Therapy, Vol.19(5) : 570~575, 2012 
Journal Title
 Gene Therapy 
ISSN
 0969-7128 
Issue Date
2012
Abstract
Identification of antigens that provide protective immunity via prophylactic and therapeutic vaccination against Mycobacterium tuberculosis is critical for the development of subunit vaccines for tuberculosis (TB). In this study, we performed a head-to-head comparison of seven well-known TB antigens delivered by DNA vaccine, and evaluated their respective immunogenicities and protective efficacies in pre- and post-exposure mouse models. All TB antigens were designed as a chimeric fusion with Flt3-L to enhance antigen-specific T-cell immunity upon vaccination. Prophylactic vaccination with the Flt3L (F)-Mtb32 DNA vaccine elicited significant protection in both the spleen and lungs against M. tuberculosis challenge, comparable to the Bacillus Calmette-Guerin vaccine. F-Ag85A and F-Mtb32 DNA vaccines, in combination with chemotherapy, reduced the bacterial burden to undetectable levels in the lungs of all mice infected with M. tuberculosis. These data collectively indicate that the F-Mtb32 DNA vaccine confers the most efficient protective immunity that suppresses bacterial growth in the active or latent status of M. tuberculosis.
URI
http://ir.ymlib.yonsei.ac.kr/handle/22282913/90306
DOI
10.1038/gt.2011.140
Appears in Collections:
1. 연구논문 > 1. College of Medicine > Dept. of Microbiology
Yonsei Authors
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Link
 http://www.nature.com/gt/journal/v19/n5/full/gt2011140a.html
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