Figure 4. Sh-circ_0001722 suppresses proliferation and invasion of human OS cells by upregulating miR-204-5p. a: Both miR-204-5p and sh-circ_0001722 can upregulate miR-204-5p expression level in two human OS cell lines. b: Both miR-204-5p and sh-circ_0001722 can suppress cell proliferation of human OS cell lines in vitro . c: Both miR-204-5p and sh-circ_0001722 can suppress the invasion ability of human OS cell lines in vitro . NC: negative control. P <0.05.P <0.01.