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. 2020 Feb 21;10:3161. doi: 10.1038/s41598-020-59939-8

Figure 4.

Figure 4

Investigation of the chemoresistance function of miR-1229-3p in GC cells. (a) Overexpression of miR-1229-3p significantly induced the chemoresistance to 5-FU in HGC27 and GFP-MKN45 cells. (b) SLC22A7 as a novel target gene of miR-1229-3p in GC cells. An in silico search (http://www.targetscan.org/) identified SLC22A7 as a novel target gene of miR-1229-3p in GC. The seed regions of the miR-1229-3p and complementary SLC22A7 3′UTR sequences are presented in this figure. Overexpression of miR-1229-3p significantly reduced luciferase activity of the pmirGLO-SLC22A7 construct with cloned 3′UTR sequences of SLC22A7 in HGC27 and GFP-MKN45 cells. (c) MiR-1229-3p overexpression inhibited SLC22A7 mRNA and protein production. (d,e) TS and DPD of mRNA and protein levels were increased at 72 h after miR-1229-3p mimics transfection.