Neutralizing Chimeric Mouse-human Antibodies against Burkholderia pseudomallei Protease: Expression, Purification and Characterization
Chan, Shzu Wei(National University of Singapore, Singapore, Republic of Singapore) | Ong, Guan Im;Nathan, Sheila(Universiti Kebangsaan Malaysia, Selangor, Malaysia)E-mail:[email protected]
A recombinant Fab monoclonal antibody (Fab) C37, previously obtained by phage display and biopanning of a random antibody fragment library against Burkholderia pseudomallei protease, was expressed in different strains of Escherichia coli. E. coli strain HB2151 was deemed a more suitable host for Fab expression than other E. coli strains when grown in media supplemented with 0.2% glycerol. The expressed Fab fragment was purified by affinity chromatography on a Protein G-Sepharose column, and the specificity of the recombinant Fab C37 towards B. pseudomallei protease was proven by Western blotting, enzyme-linked immunosorbent assay (ELISA) and by proteolytic activity neutralization.
اظهر المزيد [+] اقل [-]الكلمات المفتاحية الخاصة بالمكنز الزراعي (أجروفوك)
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