To investigate why Mettl3-cKO mice recruit more Gr-1+ MDSCs in the PerC after OC cell implantation, the secretion of various chemokines and cytokines in peritoneal lavage and serum was screened and compared by ELISA in tumor-bearing WT and Mettl3-cKO mice. Here, METTL3 is linked to neoplasm.