Abstract
Transgenic plant investigations focus on fine-regulation of the recombinant protein expression and purification strategies. In this article, preliminary experiments were done at analytical-scale to decide the best plantibody HB-01 purification strategy. Once it was assumed, the purification efficiency was assessed at different scales (10–600 kg of biomass). The plantibody purity measured by SDS-PAGE and LC-GF was over 90%, yielding 9.9 ± 6.2–18.6 ± 0.9 mg plantibody kg−1 of biomass and 39.9 ± 7.9–48.7 ± 2.1% of recovery. Significant differences were not observed among these parameters at these scales. Plant DNA contents were <3.3 ng mg−1 of plantibody, which is considered very low for the plantibody HB-01 application in the hepatitis B vaccine production.
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Acknowledgments
Authors wish to thank the Process Control Department for analysis assistance, the Operation Department for installation of equipments and the Agriculture Section of Monoclonal Antibody Department for providing the vegetal biomass. Authors also thank Sarah Chinelo Igboke and Relma Tavares de Oliveira from the “Salvador Allende” Hospital, Faculty of Medicine. Havana, Cuba for manuscript editing.
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Padilla, S., Valdés, R., Gómez, L. et al. Assessment of a Plantibody HB-01 Purification Strategy at Different Scales. Chroma 70, 1673–1678 (2009). https://doi.org/10.1365/s10337-009-1388-1
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DOI: https://doi.org/10.1365/s10337-009-1388-1