AGO2 and neoplasm: Tumor-free survival of chimeric mice with AGO2+/+;KRASG12D;Trp53fl/+;p48Cre, AGO2fl/+;KRASG12D;Trp53fl/+;p48Cre, and AGO2fl/fl;KRASG12D;Trp53fl/+;p48Cre genotypes was similar (Fig. 3a).