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Fig. 6 | Journal of Experimental & Clinical Cancer Research

Fig. 6

From: RNA sequencing reveals the expression profiles of circRNA and indicates that circDDX17 acts as a tumor suppressor in colorectal cancer

Fig. 6

Silencing of circDDX17 promotes CRC cell proliferation, migration, invasion, and inhibits apoptosis. a Relative expression of circDDX17 in 6 CRC cell lines. b Schematic representation of the sequence around the back-splice junction site of circDDX17 and the siRNAs targeting the junction site (si-circDDX17#1 and si-circDDX17#2) (top). Results of qRT-PCR for circDDX17 and its linear isoform in SW480 and SW620 cells treated with siRNAs. c CCK-8 assay of SW480 and SW620 cells transfected with negative control siRNA (si-NC) or si-circDDX17#1 at the indicated days. d Colony formation assays of SW480 and SW620 cells transfected with si-NC or si-circDDX17#1. e Cell apoptosis assay by flow cytometry of SW480 and SW620 cells transfected with si-NC or si-circDDX17#1. f, g Transwell migration and invasion assays of SW480 and SW620 cells transfected with si-NC or si-circDDX17#1. Data are shown as means ± s.d. of at least three independent experiments. *p < 0.05, **p < 0.01, ***p < 0.001. Scale bar, 20 μm

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