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. 2013 Apr 18;172(3):500–506. doi: 10.1111/cei.12069

Fig. 2.

Fig. 2

Programmed death (PD)-1and vascular endothelial growth factor receptor 2 (VEGFR2) blockade did not have any direct effect on cancer cell growth in vitro. A total of 3000 Colon-26 cells were co-cultured with anti-PD-1 monoclonal antibody (mAb), anti-VEGFR2 mAb or control rat immunoglobulin (Ig)G for 72 h, and cell proliferation was determined by MTS assay.