Generation of New M2e-HA2 Fusion Chimeric Peptide to Development of a Recombinant Fusion Protein Vaccine

Advanced Pharmaceutical Bulletin
Ali AmeghiNosratollah Zarghami

Abstract

The purpose was to design a new construction containing influenza virus (H1N1) M2e gene and HA2 gene by bioinformatics approach, cloning the construct in to Escherichia coli and produce M2e-HA2 peptide. The procedure was done by virus cultivation in SPF eggs, hemagglutination assay (HA), RNA isolation, RT-PCR, primers designed (DNAMAN 4 and Oligo7), virtual fusion construction translation (ExPASy), N-Glycosylated sites prediction (Ensemblegly-Iowa), complete open reading frame (ORF), stop codon studied (NCBI ORF Finder), rare codon determination (GenScript), Solvent accessibility of epitopes (Swiss-PdbViewer), antigenic sites prediction (Protean), fusion PCR of M2e-HA2 gene, sequence analysis, nested PCR, gel electrophoresis, double digestion of pET22b(+) plasmid and the fusion construct, ligation of them, transformation of the ligated vector (pET22b-M2e-HA2) to E.coli (BL21), mass culture the cloned bacterium ,induction the expression by isopropyl-beta-D-thiogalactopyranoside (IPTG), sodium dodecyl sulphate polyacrylamide gel electrophoresis (SDS-PAGE), purification the fusion peptide by Ni-NTA column, western blot to verify the purification. In this study we developed a new approach for fusion of Influenza virus M2e (96 nucle...Continue Reading

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