miR-93-5p suppresses ovarian cancer malignancy and negatively regulate CCND2 by binding to its 3'UTR region.

miR-93-5p suppresses ovarian cancer malignancy and negatively regulate CCND2 by binding to its 3'UTR region.
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miR-93-5p 通过结合 CCND2 的 3-UTR 区域抑制卵巢癌恶性肿瘤并负向调节 CCND2

DOI:
10.1007/s12672-022-00478-1
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发表时间:
2022-03-20
期刊:
影响因子:
2.2
通讯作者:
Zhang Y
Zhang Y
中科院分区:
医学2区
文献类型:
--
作者:
Chen G;Yan Y;Qiu X;Ye C;Jiang X;Song S;Zhang Y;Chang H;Wang L;He X;Tang L;Zhang Q;Zhang Y

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卵巢癌是世界范围内最致命的妇科癌症,但卵巢癌恶性获得的基本机制仍不清楚。miRNA与多种疾病有关,包括癌症的发生和发展。细胞周期蛋白-D2(CCND 2)广泛参与癌症不受控制的细胞增殖。生物信息学研究表明,CCND 2是miR-93- 5 p的候选基因,在其3′UTR区域有一个结合位点。使用我们的卵巢癌样本,我们验证了miR-93- 5 p与CCND 2 mRNA和蛋白水平呈负相关。荧光素酶报告分析显示miR-93- 5 p通过与3′UTR区域结合抑制CCND 2的产生。然后测定卵巢癌患者样品中miR-93- 5 p的表达,并进行存活分析。我们的研究结果表明,miR-93- 5 p在卵巢癌中下调,是卵巢癌患者的有利预测因子。采用CCK-8法、伤口愈合法、流式细胞术检测细胞周期和凋亡细胞。我们发现miR-93- 5 p抑制卵巢癌细胞增殖和迁移,同时增强细胞死亡。我们的研究证明miR-93- 5 p通过靶向CCND 2降低卵巢癌恶性程度。
Ovarian cancer is the most fatal gynecological cancer worldwide, yet the fundamental mechanism of malignancy acquisition in ovarian cancer remains unknown. miRNA has been implicated to a variety of diseases, including cancer initiation and progression. Cyclin-D2 (CCND2) is ubiquitously implicated in cancer uncontrol cell proliferation. Bioinformatic research revealed that CCND2 is a candidate gene for miR-93-5p with a binding site in its 3′UTR region in the current study. Using our ovarian cancer sample, we verified that miR-93-5p is negatively correlated with CCND2 mRNA and protein levels. Luciferase report assay revealed miR-93-5p inhibits CCND2 production through binding to the 3′UTR region. The expression of miR-93-5p in ovarian cancer patient samples was then determined, and a survival analysis was performed. Our findings showed that miR-93-5p is downregulated in ovarian cancer and is a favorable predictive factor in ovarian cancer patient. CCK8 assay, wound healing assay and flow cytometry-based cell cycle and apoptotic cell analyses were employed here. We found that miR-93-5p suppresses ovarian cancer cell proliferation and migration while enhances cell death. Our research certified that miR-93-5p reduces ovarian cancer malignancy by targeting CCND2.
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