Author: Vanlandschoot, P.; Beirnaert, E.; Grooten, J.; Min Jou, W.; Fiers, W.
Title: pH-dependent aggregation and secretion of soluble monomeric influenza hemagglutinin Cord-id: t86ytpr6 Document date: 2014_4_7
ID: t86ytpr6
Snippet: We previously reported the expression of soluble A/Victoria/3/75 (H3N2) hemagglutinin in insect cells and the molecular and immunological structure of an aggregated fraction, only observed in cell supernatant when expression was performed at low pH [23]. Here we report that besides this aggregated a monomeric and possibly a trimeric structure is detected in cell supernatant, irrespective of the pH of the medium. Evidence is presented that the aggregated fraction is generated out of monomeric HA0
Document: We previously reported the expression of soluble A/Victoria/3/75 (H3N2) hemagglutinin in insect cells and the molecular and immunological structure of an aggregated fraction, only observed in cell supernatant when expression was performed at low pH [23]. Here we report that besides this aggregated a monomeric and possibly a trimeric structure is detected in cell supernatant, irrespective of the pH of the medium. Evidence is presented that the aggregated fraction is generated out of monomeric HA0s molecules due to a low intracellular pH encountered during secretion.
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