Article citationsMore>>
Muyldermans, S., Baral, T.N., Retamozzo, V.C., De Baetselier, P., De Genst, E., Kinne, J., Leonhardt, H., Magez, S., Nguyen, V.K., Revets, H., Rothbauer, U., Stijlemans, B., Tillib, S., Wernery, U., Wyns, L., Hassanzadeh-Ghassabeh, G. and Saerens, D. (2009) Camelidimmunoglobulins and Nanobody Technology. Veterinary Immunology and Immunopathology, 128, 178-183.
https://doi.org/10.1016/j.vetimm.2008.10.299
has been cited by the following article:
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TITLE:
Molecular Cloning, Expression and Purification of Recombinant VHH Proteins Expressed in E. coli
AUTHORS:
Tewodros Fentahun Jember
KEYWORDS:
VHH, Nanobody, Protein
JOURNAL NAME:
American Journal of Molecular Biology,
Vol.11 No.4,
October
15,
2021
ABSTRACT: Variable Heavy-chain Homodimer (VHH) or Nanobody is a recombinant dromedary antibody fragment which is classified as the smallest antibody fragments with the highest binding affinity and specificity of the original whole antibody. In this study the Expression of Nanobodies in E. coli WK6 cell periplasm was performed. The protein expression and purity was and analyzed by Affinity Chromatography, SDS PAGE and Western Blot. Upon elution with Imidazole, the concentrations observed using the OD280 nm of the eluted fractions EI, E2 and E3 were observed to be 0.42 μg/ml, 0.13 μg/ml and −0.46 μg/ml respectively. This gives an Antilog of 7.88 kDa which showed the calculated molecular size of our band. The SDS-PAGE gel reading was confirmed using Western blot analysis and illustrated as the specific binding of the mouse Anti-His antibody to the Histidine tag of the Nanobody. The Nanobody protein expression was then analyzed further with western blotting showed a strong signal at the region corresponding to the 15 kDa marker indicating presence of the Nanobody gene. This was taken as further confirmation of the protein expression from the bacterial cells.
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