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Iranian Journal of Biotechnology، جلد ۲۰، شماره ۴، صفحات ۶۱-۷۴
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عنوان انگلیسی MiR-582 Down-Regulates Lissencephaly-1 (LIS1) via P-Akt and MMP-2 to Inhibit Cholangiocarcinoma Cell Proliferation and Invasion
چکیده انگلیسی مقاله Background:Cholangiocarcinoma is a primary malignant tumor, and its progression involves oncogene activation, the absence of tumor suppressor gene, abnormal signaling pathways and miRNA expression. MiRNAs are abnormally expressed in many types of tumors.
Objective:This study aims to observe the effects of miR-582 on cholangiocarcinoma cell proliferation, S-phase arrest, migration and invasion and to analyze the regulation of miR-582 on LIS1 to clarify the real role of miR-582 in cholangiocarcinoma development.
Materials and Methods: TCGA database of cholangiocarcinoma samples was analyzed. Dual fluorescence reporter and TargetScan were conducted to confirm whether LIS1 was the target gene of miR-582. Effects of miR-582 and LIS1 on HCC-9810 cell proliferation, S-phase cell ratio, migration and invasion were determined by CCK-8, Flow cytometry and Transwell, respectively, whereas the function of miR-582 on MMP-2 and P-Akt expression was identified by Western blotting. Nude mice xenograft model of cholangiocarcinoma was established to detect what miR-582 did for tumor growth.
Results:TCGA showed that miR-582 was lowly expressed and LIS1 was highly expressed in tumor tissues compared with adjacent tissues. MiR-582 targeted LIS1 to inhibit MMP-2 and p-AKT expression. Transfection of miR-582 mimics could suppress HCC-9810 cell proliferation, S-stage arrest, migration and invasion, while LIS1 worked oppositely. MiR-582 inhibitors promoted cell biological behavior, whereas LIS1 siRNA was opposite. In nude mice xenograft model, miR-582 overexpression inhibited tumor growth.
Conclusions:It implies that miR-582 could negatively regulate LIS1 to inhibit MMP-2 and P-Akt expression, thus suppressing cell invasion and proliferation in cholangiocarcinoma.
کلیدواژه‌های انگلیسی مقاله cholangiocarcinoma,LIS1,MMP-2,miR-582,p-AKT
نویسندگان مقاله Guochao Liu |
Department of Minimally Invasive and Biliary Surgery, The Second Hospital of Hebei Medical University

Tao Li |
Department of Minimally Invasive and Biliary Surgery, The Second Hospital of Hebei Medical University

Lifeng Ma |
Department of Minimally Invasive and Biliary Surgery, The Second Hospital of Hebei Medical University

Jianlong Wang |
Department of Minimally Invasive and Biliary Surgery, The Second Hospital of Hebei Medical University

Zhaoqiang Yin |
Department of Minimally Invasive and Biliary Surgery, The Second Hospital of Hebei Medical University

نشانی اینترنتی https://www.ijbiotech.com/article_157962_5e71bb1f2aa2470fb3f924689412a27c.pdf
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