Identification of critical chemical modifications and paratope mapping by size exclusion chromatography of stressed antibody-target complexes

Identification of critical chemical modifications and paratope mapping by size exclusion chromatography of stressed antibody-target complexes

Identification of critical chemical modifications and paratope mapping by size exclusion chromatography of stressed antibody-target complexes

Therapeutic proteins together with antibodies and Fc-fusion proteins bear numerous chemical modifications throughout cell tradition, purification, storage and in human circulation. They’re additionally uncovered to harsh situations throughout stress research, together with elevated temperature, extremes of pH, pressured oxidation, physiological pH, UV mild to evaluate the potential degradation pathways and suitability of strategies for detecting them. A few of these modifications are positioned on residues in binding areas, resulting in lack of binding and efficiency and categorised as vital high quality attributes.

At present, criticality of modifications is assessed by a laborious means of amassing antibody fractions from the mushy chromatography strategies ion change and hydrophobic interplay chromatography and characterizing the fractions one-by-one for efficiency and chemica