AGO2 and gastric cancer: As we expected, the RIP assay showed that GAGE7B-3’UTR was enriched in AGO2 pellets relative to the negative control (Fig. 4j); p38δ-3’UTR-1 was also enriched in AGO2 pellets relative to negative controls in gastric cancer, though not as much as GAGE7B-3’UTR was (Fig. 4j).