Downregulation of MicroRNA-455-3p Links to Proliferation and Drug Resistance of Pancreatic Cancer Cells via Targeting TAZ

Drug resistance is a major cause of treatment failure in pancreatic cancer. The limited evidence indicates the involvement of miR-455-3p in chemotherapy resistance of cancer. Here we observed by qPCR that miR-455-3p was significantly decreased in pancreatic cancer tissues and cell lines. We then con...

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Main Authors: Ting Zhan, Xiaodong Huang, Xia Tian, Xiaoli Chen, Yu Ding, Hesheng Luo, Yadong Zhang
Format: Article
Language:English
Published: Elsevier 2018-03-01
Series:Molecular Therapy: Nucleic Acids
Subjects:
Online Access:http://www.sciencedirect.com/science/article/pii/S2162253117303001
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author Ting Zhan
Xiaodong Huang
Xia Tian
Xiaoli Chen
Yu Ding
Hesheng Luo
Yadong Zhang
author_facet Ting Zhan
Xiaodong Huang
Xia Tian
Xiaoli Chen
Yu Ding
Hesheng Luo
Yadong Zhang
author_sort Ting Zhan
collection DOAJ
description Drug resistance is a major cause of treatment failure in pancreatic cancer. The limited evidence indicates the involvement of miR-455-3p in chemotherapy resistance of cancer. Here we observed by qPCR that miR-455-3p was significantly decreased in pancreatic cancer tissues and cell lines. We then confirmed that the inhibition of miR-455-3p increased cell proliferation and gemcitabine resistance of pancreatic cancer, whereas forced overexpression of miR-455-3p had the opposite effect. Furthermore, we demonstrated that TAZ, which is associated with drug resistance of pancreatic cancer, is a new direct downstream target of miR-455-3p. Our present study suggests that miR-455-3p contributes to cell proliferation and drug resistance in pancreatic cancer cells via targeting TAZ.
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spelling doaj.art-96ea96120da442329546eba28003f54a2022-12-21T19:32:40ZengElsevierMolecular Therapy: Nucleic Acids2162-25312018-03-011021522610.1016/j.omtn.2017.12.002Downregulation of MicroRNA-455-3p Links to Proliferation and Drug Resistance of Pancreatic Cancer Cells via Targeting TAZTing Zhan0Xiaodong Huang1Xia Tian2Xiaoli Chen3Yu Ding4Hesheng Luo5Yadong Zhang6Department of Gastroenterology, Wuhan Third Hospital, Tongren Hospital of Wuhan University, Wuhan 430060, China; Key Laboratory for Molecular Diagnosis of Hubei Province, The Central Hospital of Wuhan, Tongji Medical College, Huazhong University of Science and Technology, Wuhan 430014, China; Department of Gastroenterology, Renmin Hospital of Wuhan University, Wuhan 430060, ChinaDepartment of Gastroenterology, Wuhan Third Hospital, Tongren Hospital of Wuhan University, Wuhan 430060, ChinaDepartment of Gastroenterology, Wuhan Third Hospital, Tongren Hospital of Wuhan University, Wuhan 430060, ChinaDepartment of Gastroenterology, Wuhan Third Hospital, Tongren Hospital of Wuhan University, Wuhan 430060, ChinaKey Laboratory for Molecular Diagnosis of Hubei Province, The Central Hospital of Wuhan, Tongji Medical College, Huazhong University of Science and Technology, Wuhan 430014, ChinaDepartment of Gastroenterology, Renmin Hospital of Wuhan University, Wuhan 430060, ChinaKey Laboratory for Molecular Diagnosis of Hubei Province, The Central Hospital of Wuhan, Tongji Medical College, Huazhong University of Science and Technology, Wuhan 430014, China; Corresponding author: Yadong Zhang, The Central Hospital of Wuhan, Tongji Medical College, Huazhong University of Science and Technology, Key Laboratory for Molecular Diagnosis of Hubei Province, 26 Shengli Street, Wuhan 430014, China.Drug resistance is a major cause of treatment failure in pancreatic cancer. The limited evidence indicates the involvement of miR-455-3p in chemotherapy resistance of cancer. Here we observed by qPCR that miR-455-3p was significantly decreased in pancreatic cancer tissues and cell lines. We then confirmed that the inhibition of miR-455-3p increased cell proliferation and gemcitabine resistance of pancreatic cancer, whereas forced overexpression of miR-455-3p had the opposite effect. Furthermore, we demonstrated that TAZ, which is associated with drug resistance of pancreatic cancer, is a new direct downstream target of miR-455-3p. Our present study suggests that miR-455-3p contributes to cell proliferation and drug resistance in pancreatic cancer cells via targeting TAZ.http://www.sciencedirect.com/science/article/pii/S2162253117303001miR-455-3pTAZdrug resistancegemcitabinepancreatic cancer
spellingShingle Ting Zhan
Xiaodong Huang
Xia Tian
Xiaoli Chen
Yu Ding
Hesheng Luo
Yadong Zhang
Downregulation of MicroRNA-455-3p Links to Proliferation and Drug Resistance of Pancreatic Cancer Cells via Targeting TAZ
Molecular Therapy: Nucleic Acids
miR-455-3p
TAZ
drug resistance
gemcitabine
pancreatic cancer
title Downregulation of MicroRNA-455-3p Links to Proliferation and Drug Resistance of Pancreatic Cancer Cells via Targeting TAZ
title_full Downregulation of MicroRNA-455-3p Links to Proliferation and Drug Resistance of Pancreatic Cancer Cells via Targeting TAZ
title_fullStr Downregulation of MicroRNA-455-3p Links to Proliferation and Drug Resistance of Pancreatic Cancer Cells via Targeting TAZ
title_full_unstemmed Downregulation of MicroRNA-455-3p Links to Proliferation and Drug Resistance of Pancreatic Cancer Cells via Targeting TAZ
title_short Downregulation of MicroRNA-455-3p Links to Proliferation and Drug Resistance of Pancreatic Cancer Cells via Targeting TAZ
title_sort downregulation of microrna 455 3p links to proliferation and drug resistance of pancreatic cancer cells via targeting taz
topic miR-455-3p
TAZ
drug resistance
gemcitabine
pancreatic cancer
url http://www.sciencedirect.com/science/article/pii/S2162253117303001
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