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- W2016768498 abstract "Tuberculosis (TB) remains to be a major infectious disease throughout the world. However, the current vaccine for TB has variable protective efficacy, and there is no commercially available serodiagnostic test for this disease with acceptable sensitivity and specificity for routine laboratory use. One of the potential strategies in developing a new diagnostic method and in improving the TB vaccine involves the identification of novel antigenic candidates. This paper aims to identify systematically the novel antigenic proteins with the greatest potential as protective or diagnostic antigens by using the differential response of Mycobacterium tuberculosis proteins to serum from TB patients and healthy individuals. Approximately 87% of the open reading frames of M. tuberculosis were successfully cloned into IPTG-inducible expression vectors. The clone sets were expressed in Escherichia coli, purified under denatured conditions, and tested for antigenicity using a mixture of sera from 15 TB patients. Out of the 3480 proteins screened, 249 proteins had significant reactions with the serum samples. Among the 249 proteins, 20 proteins were identified as most reactive. Compared with the commercial test kits, 3 novel antigens from the top 20 proteins, namely, Rv1987, Rv3807c, and Rv3887c, provided better sensitivity and accuracy. These newly identified antigenic proteins may be used as candidates for serodiagnostic application and vaccine development. Overall, this study's findings may serve as an essential reference for developing new TB diagnostic methods and more effective tuberculosis vaccines." @default.
- W2016768498 created "2016-06-24" @default.
- W2016768498 creator A5023179600 @default.
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- W2016768498 date "2010-08-06" @default.
- W2016768498 modified "2023-10-16" @default.
- W2016768498 title "A Proteome-Scale Identification of Novel Antigenic Proteins in <i>Mycobacterium tuberculosis</i> toward Diagnostic and Vaccine Development" @default.
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