As CCAT1 was shown to decrease miR-490-3p level, then upregulating TGFβR1 expression in SKOV3 and CaOV3 cells; therefore, we sought to assess whether miR-490-3p was essential for CCAT1-mediated tumor phenotypes of ovarian cancer cells. This evidence concerns the gene TGFBR1 and ovarian carcinoma.