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30 December 2019 : Laboratory Research

[Retracted] Dexmedetomidine Regulates Proliferation, Apoptosis, Migration, and Invasion in Ovarian Cancer Cells via MiR-155-HIF-1α Axis

Lihong Zheng 1ABE* , Ruimei Jia 1BCD , Juan Zhao 1DEF

DOI: 10.12659/MSM.919112

Med Sci Monit 2019; 25:10164-10172

Abstract

BACKGROUND: Dexmedetomidine (DMED) is widely used as an adjuvant anesthetic, but how DMED regulates biological behavior of OC cells remains an area of active research. This study investigated the mechanism by which DMED regulates the proliferation, apoptosis, migration, and invasion abilities of OC cells.

MATERIAL AND METHODS: We determined the optimal concentration of DMED for use in treating SKOV3 cells. The biological activities of DMED-treated SKOV3 cells following transfection with miR-155 inhibitor or si-HIF-1α were measured by CCK-8 assay, flow cytometry, wound healing assay, and Transwell assay. qRT-PCR and Western blot analysis were performed to assess the expression levels of apoptotic-related caspase-3 and Mcl-1. Luciferase reporter assay verified the targeting relationship of miR-155 and HIF-1α.

RESULTS: miR-155 was downregulated while HIF-1α was upregulated in SKOV3 cells. DMED dose-dependently reduced HIF-1α expression in SKOV3 cells, and upregulated the expression of miR-155. DMED inhibited the proliferation, migration and invasion abilities of OC cells, but also contributed to apoptosis of SKOV3 cells, while transfection of miR-155 inhibitor inhibited the effect of DMED on SKOV3 cells. In contrast, transfection with si-HIF-1α enhanced the effects of DMED on SKOV3 cells. HIF-1α was found to be a target gene of miR-155.

CONCLUSIONS: Our results suggest that DMED blocks cell proliferation, migration, and invasion and accelerates cell apoptosis in OC.

Keywords: Retracted Publication

Retraction note

Med Sci Monit 2021; 27:e931024     https://www.medscimonit.com/abstract/index/idArt/931024
#931024
ABSTRACT This paper is retracted at the author’s request. Reference: 1. Lihong Zheng, Ruimei Jia, Juan Zhao: Dexmedetomidine Regulates Proliferation, Apoptosis, Migration, and Invasion in Ovarian Cancer Cells via MiR-155-HIF-1alpha Axis. Med Sci Monit, 2019; 25: 10164-10172. DOI: 10.12659/MSM.919112
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