Original Article

Arsenic Trioxide Affects the Proliferation of Gastric Cancer Cells through MiR-885-5p/CDC73 Axis


Background: To explore Arsenic trioxide (As2O3) and its regulated miR-885-5p/CDC73 signaling pathway involved in the development of gastric cancer.

Methods: Fifty-two healthy patients and patients with gastric cancer were enrolled 2019-2020 in He Xian Memorial Hospital, Guangzhou, China. The patients with gastric cancer were divided into control group and As2O3 administration group. After 2 courses of treatment, their peripheral blood was collected to analyze the therapeutic effect. miR-885-5p expression in peripheral blood was analyzed by qRT-PCR. As2O3 was added into MGC-803 gastric cancer cell line at 0, 10, 20, 40 and 80 μmol/L. The proliferation rate and 48h IC50 value of gastric cancer cells were investigated by CCK-8, and the effect of As2O3 on miR-885-5p expression in the cells was analyzed.

Results: After 4 weeks of treatment, the objective efficiency of control group and As2O3 administration group was 17.3% and 13.4%, respectively, without significant statistical difference. The overall benefit rate of As2O3 administration group was significantly higher than that of the normal treatment group (P=0.049). qRT-PCR experiment results found that miR-885-5p significantly highly expressed in peripheral blood in the As2O3 administration group, while miR-885-5p in gastric cancer was lower compared with normal people. Adding As2O3 to the gastric cancer cells could significantly inhibit miR-885-5p expression, while miR-885-5p in gastric cancer cells affected cell expression by targeted regulation, affecting cell proliferation.

Conclusion: As2O3 may be used as a drug treatment program for gastric cancer, and mainly regulates the proliferation of gastric cancer cells by affecting the miR-885-5p/CDC73 target axis to participate in the development of gastric cancer.


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IssueVol 52 No 1 (2023) QRcode
SectionOriginal Article(s)
DOI https://doi.org/10.18502/ijph.v52i1.11674
Gastric cancer Arsenic trioxide Immunology Cell proliferation

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How to Cite
Guo X, Zhu W. Arsenic Trioxide Affects the Proliferation of Gastric Cancer Cells through MiR-885-5p/CDC73 Axis. Iran J Public Health. 2023;52(1):128-137.