Abstract:
:The low-molecular-mass secretory proteins of Mycobacterium tuberculosis have been shown to be major T-cell antigens during infection with the pathogenic bacterium. In this study, we determined murine T-cell epitopes on three low-molecular-mass proteins, CFP11 (Rv2433c), CFP17 (Rv1827), and TB18.5 (Rv0164) using DNA immunization of inbred mice. We analyzed interferon-gamma production from immune splenocytes in response to overlapping peptides covering these proteins. We identified two CD8+ T-cell epitopes on CFP11 and CFP17, one in BALB/c mice and the other in C57BL/6 mice, respectively. On TB18.5, we identified a CD8+ T-cell epitope in BALB/c mice and a CD4+ T-cell epitope in C57BL/6 mice. With the aid of computer algorithms, we could identify the minimal CD8+ T-cell epitopes. These T-cell epitopes are feasible for analysis of the role of antigen-specific T cells during M. tuberculosis infection.
journal_name
Vaccinejournal_title
Vaccineauthors
Eweda G,Suzuki D,Nagata T,Tsujimura K,Koide Ydoi
10.1016/j.vaccine.2010.04.079subject
Has Abstractpub_date
2010-06-23 00:00:00pages
4616-25issue
29eissn
0264-410Xissn
1873-2518pii
S0264-410X(10)00615-8journal_volume
28pub_type
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