PITPNA-AS1 通过调节 MIR-223-3p/RHOB 轴抑制卵巢癌细胞的增殖和迁移

IF 1.4 4区 医学 Q2 Medicine
Fei Zhang, Mi Zhang, Zhen Chen, Bo Yu, Xiaoqin He, Yongfang Luo, Fen Ai, Wenfeng Hu
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引用次数: 0

摘要

背景:卵巢癌是一种致命的妇科恶性肿瘤:卵巢癌是一种致命的妇科恶性肿瘤。长非编码 RNA(lncRNA)已被证实是卵巢癌肿瘤发生的关键调控因子:目的:研究lncRNA PITPNA-AS1在卵巢癌细胞过程中的功能和机制:方法:在一家学术医学中心收集并保存临床卵巢癌样本。方法:收集保存在学术医学中心的临床卵巢癌样本,通过细胞分馏试验和荧光原位杂交技术确定PITPNA-AS1在卵巢癌细胞中的位置。TUNEL染色、集落形成试验和Transwell试验用于评估细胞凋亡以及增殖和迁移能力。采用 Western 印迹法对上皮-间质转化标志物的蛋白水平进行定量。通过 RNA pulldown、RNA 免疫沉淀和荧光素酶报告实验验证了基因之间的结合关系。对卵巢癌组织和细胞中的基因表达水平进行了 RT-qPCR:结果:PITPNA-AS1水平在卵巢癌样本和细胞中下调。结果:PITPNA-AS1水平在卵巢癌样本和细胞中下调,PITPNA-AS1过表达加速卵巢癌细胞凋亡,抑制细胞迁移、增殖和上皮-间质转化过程。此外,PITPNA-AS1 与 miR-223-3p 相互作用,调控 RHOB。结论:PITPNA-AS1可抑制卵巢癌细胞的活性:结论:PITPNA-AS1通过靶向miR-223-3p和调控RHOB抑制卵巢癌细胞行为。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
PITPNA-AS1 Inhibits Cell Proliferation and Migration in Ovarian Cancer by Regulating the MIR-223-3p/RHOB Axis.

Background: Ovarian cancer is a fatal gynecologic malignancy. Long non-coding RNA (lncRNA) has been verified to serve as key regulator in ovarian cancer tumorigenesis.

Objective: The aim of the study was to study the functions and mechanism of lncRNA PITPNA-AS1 in ovarian cancer cellular process.

Methods: Clinical ovarian cancer samples were collected and stored at an academic medical center. Cellular fractionation assays and fluorescence in situ hybridization were conducted to locate PITPNA-AS1 in OC cells. TUNEL staining, colony-forming assays, and Transwell assays were performed for evaluating cell apoptosis as well as proliferative and migratory abilities. Western blot was conducted for quantifying protein levels of epithelialmesenchymal transition markers. The binding relation between genes was verified by RNA pulldown, RNA immunoprecipitation, and luciferase reporter assays. Gene expression levels in ovarian cancer tissues and cells were subjected to RT-qPCR.

Results: PITPNA-AS1 level was downregulated in ovarian cancer samples and cells. PITPNA-AS1 overexpression contributed to the accelerated ovarian cancer cell apoptosis and inhibited cell migration, proliferation, and epithelial-mesenchymal transition process. In addition, PITPNA-AS1 interacted with miR-223-3p to regulate RHOB. RHOB knockdown partially counteracted the repressive impact of PITPNA-AS1 on ovarian cancer cell activities.

Conclusion: PITPNA-AS1 inhibited ovarian cancer cellular behaviors by targeting miR-223-3p and regulating RHOB.

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来源期刊
CiteScore
3.00
自引率
0.00%
发文量
60
审稿时长
>12 weeks
期刊介绍: The Revista de Investigación Clínica – Clinical and Translational Investigation (RIC-C&TI), publishes original clinical and biomedical research of interest to physicians in internal medicine, surgery, and any of their specialties. The Revista de Investigación Clínica – Clinical and Translational Investigation is the official journal of the National Institutes of Health of Mexico, which comprises a group of Institutes and High Specialty Hospitals belonging to the Ministery of Health. The journal is published both on-line and in printed version, appears bimonthly and publishes peer-reviewed original research articles as well as brief and in-depth reviews. All articles published are open access and can be immediately and permanently free for everyone to read and download. The journal accepts clinical and molecular research articles, short reports and reviews. Types of manuscripts: – Brief Communications – Research Letters – Original Articles – Brief Reviews – In-depth Reviews – Perspectives – Letters to the Editor
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