Nov 9, 2018

Translationally Controlled Tumor Protein TCTP as Peptide Vaccine against Schistosoma japonicum: an Immunoinformatics Approach

BioRxiv : the Preprint Server for Biology
Rayan A AbdalrahmanMohamed Ahmed Salih Hassan


Schistosoma japonicum is the most pathogenic causative form of schistosomiasis that causes a major health problem in its endemic countries. Until now, praziquantel is the only drug used to treat Schistosomiasis, but it does not prevent re-infection. So, repetition of the treatment is needed. Moreover, there is no effective vaccine against S. japonicum . Therefore, an urgent need for the development of vaccines is mandatory. This study aimed to analyze an immunogenic protein, Transitionally Controlled Tumor Protein (TCTP) using an immunoinformatics approach to design a universal peptide vaccine against Schistosoma japonicum . A set of 22 of TCTP sequences were retrieved from NCBI database. Conservancy of these sequences was tested and then conserved B cell and T cell epitopes were predicted using different tools available in IEBD. Epitopes having high scores in both B and T cell predicting tools were proposed. An epitope 129YEHYI133 was predicted as a most promising epitope with good prediction scores in surface accessibility and antigenicity. Besides that, epitopes 129YEHYIGESM 137 and 92YLKAIKERL100 were predicted as the most promising epitopes concerning their binding to MHC I and MHC II allele respectively. The study reveale...Continue Reading

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Mentioned in this Paper

In Vivo
TPT1 gene
Botrychium japonicum
Stereocaulon japonicum
Pathogenic Organism
Miscanthus sinensis
TPT1 wt Allele

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