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. 2018 Mar 6;10(3):380–396. doi: 10.1080/19420862.2018.1433976

Figure 5.

Figure 5.

Correlation between afucosylation level of CT-P10 with FcγRIIIa binding affinity and ADCC activity. (A) Spiking study using highly afucosylated CT-P10 (red) to check impact of variously afucosylated levels on FcγRIIIa binding affinity (left) and ADCC activity (right). Strong correlation is observed between afucosylation and biological activity when afucosylation level is increased up to 35%. (B) Relation between afucosylation level versus FcγRIIIa binding affinity (left) and ADCC activity (right) for CT-P10 (blue), EU-Rituximab (grey) and US-Rituximab (yellow) used in 3-way similarity study. Correlation between afucosylation and biological activity is not significant in the afucosylation level (< 5%) in CT-P10 drug product and RMPs.