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REDUCTION OF HIGH MOLECULAR WEIGHT SPECIES, ACIDIC CHARGE SPECIES, AND FRAGMENTS IN A MONOCLONAL ANTIBODY COMPOSITION.
REDUCTION OF HIGH MOLECULAR WEIGHT SPECIES, ACIDIC CHARGE SPECIES, AND FRAGMENTS IN A MONOCLONAL ANTIBODY COMPOSITION.
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机译:减少单克隆抗体成分中的高分子量物种,酸性电荷物种和片段。
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摘要
Alterations in bioreactor cell culture feeding to an extended or continuous feed following an initial period of no feeding reduces the level of high molecular weight, acid charge, and fragment species of monoclonal antibodies expressed in the culture, and enhances the level of afucosylated species of monoclonal antibodies expressed in the culture. Regular fucose infusions following an initial period of no feed media infusion reduces the level of afucosylated species of monoclonal antibodies expressed in the culture. Cell culture manipulation may be used to modulate the level of species of monoclonal antibodies.
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