Exosomes were isolated from the medium of monocytes (monocytes-exo), monocyte-polarized M2 macrophages (M2-exo), monocyte-polarized M2 macrophages transfected with si-CRNDE (M2-si-CRNDE-exo), and monocyte-polarized M2 macrophages transfected with si-control (M2-si-control-exo). Then, SGC7901 cells were treated with indicated exosomes and CDDP (1μg/ml). (F) cell survival rate were measured. Data information: The results shown are from seven biological replicates. Data are expressed as mean ± SD. one-way ANOVA. **P<0.01. 