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Chinese Pharmacological Bulletin ; (12): 1278-1285, 2021.
Artículo en Chino | WPRIM | ID: wpr-1014371

RESUMEN

Aim To investigate the effects of long non coding RNA (LncRNA) LINC00339 on proliferation, invasion and apoptosis of colon cancer (CC) cells through regulating miR-873-5p/COMP axis. Methods qRT-PCR was used to detect the expression of LINC00339, miR-873-5p and COMP in CC tissues and cells. Cell proliferation, invasion and apoptosis were detected by means of CCK-8, Transwell and flow cytometry respectively. The targeting relationship between miR-873-5p and LINC00339 as well as COMP was verified by dual luciferase reporter gene assay and RNA pull-down. Results Compared with paracancer-ous tissues and normal colonic epithelial cells, the expressions of LJNC00339 and COMP were up-regulated while the expression of miR-873-5p was down-regulated in CC tissues and cells (all P < 0. 05). LINC00339 up-regulated the expression of COMP via competitive binding with miR-873-5p. Down-regulation of LINC00339 inhibited the proliferation and invasion of CC cells and induced cell apoptosis, but the effects of LINC00339 knockdown on the biological behavior of CC cells was partially saved by miR-873-5p inhibitor (all P < 0. 05). LINC00339 increased the expression level of COMP via absorbing miR-873-5p, and the up-regulation of COMP partially saved the effects of LINC00339 knockdown on CC cells (all P <0.05). Conclusions LINC00339 promotes the proliferation and invasion while inhibits apoptosis of CC cells through regulating miR-873-5p/COMP axis.

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