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Overexpression of MiR-633 Suppresses the Tumorigenicity of Gastric Cancer Cells and Induces Apoptosis by Targeting MAPK1

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Current Medical Science 2022年第5期42卷 1033-1045页

作者： Hai-long LI Yao-hui SONG Zheng-ping DU Yong-hua HU Zhuan-xiong WANG Xi CHEN Xing-mei LU Ying-xia CHEN Yong-qiang DUAN Xiang-dong ZHU Department of Geriatrics Affiliated Hospital of Gansu University of Traditional Chinese MedicineLanzhou730000China Department of Internal Medicine The First Clinical Medical CollegeGansu University of Chinese MedicineLanzhou730000China Provincial-Level Key Laboratory for Molecular Medicine of Major Diseases and The Prevention and Treatment with Traditional Chinese Medicine in Gansu Colleges and Universities Gansu University of Chinese MedicineLanzhou730000China School of Basic Medicine Gansu Vocational College of HealthLanzhou730300China College of Traditional Chinese Medicine Ningxia Medical UniversityYinchuan750004China

Objective MicroRNA(miRNA/miR)-633 is dysregulated in several types of cancers and is involved in ***,the function and role of this miRNA in gastric cancer(GC)are not fully *** aim of the present study was to evaluate miR-633 expression in GC cell lines and in GC tissue *** normal tissue,and to determine its association with clinicopathological *** work was extended to investigate the effects of miR-633 overexpression on tumor cells in *** Reverse transcription-quantitative PCR(RT-qPCR)was used to detect and compare the expression level of miR-633 in GC cells,as well as in GC and normal adjacent tissue *** clinical significance of miR-633 was also ***-633 lentivirus(LV-miR-633)and negative control lentivirus(LV-NC)were generated and used to transduce SGC-7901 and HGC-27 GC cells in order to analyze the effect of miR-633 on their *** effects of miR-633 overexpression on GC cell proliferation,apoptosis,migration and invasion were *** target gene of miR-633 was predicted,then confirmed using a dual luciferase reporter gene assay,RT-qPCR and Western *** MiR-633 was significantly downregulated in GC cell lines,as well as in GC tissue compared with adjacent normal ***,miR-633 expression was associated with the tumor/node/metastasis(TNM)stage,invasion depth,Borrmann classification and lymph node metastasis(Pmitogen-activated protein kinase(MAPK)1,high-mobility group box 3(HMGB3),claudin 1(CLDN1)and MAPK13 were downregulated in LV-miR-633-transduced cells(P<0.01).The dual luciferase reporter assay confirmed that the 3′-untranslated region of MAPK1 was the t

关键词： miR-633 gastric cancer apoptosis metastasis mitogen-activated protein kinase 1

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