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microRNA-214 inhibitor

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https://www.readbyqxmd.com/read/27693451/crosstalk-between-the-vitamin-d-receptor-vdr-and-mir-214-in-regulating-sufu-a-hedgehog-pathway-inhibitor-in-breast-cancer-cells
#1
Fatouma Alimirah, Xinjian Peng, Akash Gupta, Liang Yuan, JoEllen Welsh, Michele Cleary, Rajendra G Mehta
The vitamin D receptor (VDR), and its ligand 1α,25-dihydroxyvitamin D3 (1,25D3) prevent breast cancer development and progression, yet the molecular mechanisms governing this are unclear. MicroRNAs (miRNAs) on the other hand, promote or inhibit breast cancer growth. To understand how VDR regulates miRNAs, we compared miRNA expression of wild-type (WT) and VDR knockout (VDRKO) breast cancer cells by a Mouse Breast Cancer miRNA PCR array. Compared to VDR WT cells, expressions of miR-214, miR-199a-3p and miR-199a-5p of the miR-199a/miR-214 cluster were 42, 15, and 10 fold higher in VDRKO cells respectively...
September 27, 2016: Experimental Cell Research
https://www.readbyqxmd.com/read/27357906/microrna-214-exerts-a-cardio-protective-effect-by-inhibition-of-fibrosis
#2
Hua Dong, Shimin Dong, Lisi Zhang, Xueping Gao, Guangwei Lv, Wei Chen, Suxia Shao
The miRNAs play important roles in regulating myocardial fibrosis. The purpose of this study was to determine the potential roles of microRNA-214 (miR-214) in cardiac fibrosis in vitro and in vivo. In vitro experiment, Ang II-induced cardiac fibroblasts (CFBs) are transfected with pre-miR-214, anti-miR-214 and their oligo controls. Gene expression was checked by Quantitative realtime-PCR (qRT-PCR) and western blotting. In the present experiment, compared with controls, expressions of collagen type I (COL I), collagen type III (COL III), transforming growth factor (TGF)-β1, and tissue inhibitors of metalloproteinase (TIMP)-1 were all increased, but matrix metalloproteinase (MMP)-1 was reduced in CFB by Ang II treatment at both mRNA and protein levels, and these alterations were found reversed by miR-214 transfection...
October 2016: Anatomical Record: Advances in Integrative Anatomy and Evolutionary Biology
https://www.readbyqxmd.com/read/27339596/microrna-214-promotes-peritoneal-metastasis-through-regulating-pten-negatively-in-gastric-cancer
#3
Ruijuan Xin, Feihu Bai, Yaning Feng, Mengna Jiu, Xiaogang Liu, Fangyun Bai, Yongzhan Nie, Daiming Fan
BACKGROUND AND OBJECTIVE: We aimed to investigate the effects of microRNA-214 (miR-214) on peritoneal metastasis as well as to elucidate its regulatory mechanism in gastric cancer (GC). METHODS: The expression levels of miR-214 in human GC cell lines MKN-28NM, MKN-28M, GC9811 and GC9811-P were analyzed by quantitative real-time PCR. Lentiviral miR-214, lentiviral miR-214 inhibitor, and empty lentiviral vector were transfected to GC cell lines, respectively. The roles of miR-214 in cell invasion, migration, proliferation and colony-forming ability were then analyzed...
December 2016: Clinics and Research in Hepatology and Gastroenterology
https://www.readbyqxmd.com/read/26973267/microrna-214-inhibits-left-ventricular-remodeling-in-an-acute-myocardial-infarction-rat-model-by-suppressing-cellular-apoptosis-via-the-phosphatase-and-tensin-homolog-pten
#4
Xingwei Yang, Yanjun Qin, Suxia Shao, Yueqing Yu, Chongyang Zhang, Hua Dong, Guangwei Lv, Shimin Dong
The aims of the present study were to determine the role of miR-214 on left ventricular remodeling of rat heart with acute myocardial infarction (AMI) and to further investigate the underlying mechanism of miR-214-mediated myocardial protection. AMI was induced in which adenovirus-expressing miR-214 (Ad-miR-214), anti-miR-214, or Ad-GFP had been delivered into rats hearts 4 days prior, while a phosphatase and tensin homolog (PTEN) inhibitor was administered via intra-peritoneal injection 30 minutes prior to AMI...
2016: International Heart Journal
https://www.readbyqxmd.com/read/26951965/microrna-214-acts-as-a-potential-oncogene-in-breast-cancer-by-targeting-the-pten-pi3k-akt-signaling-pathway
#5
Fang Wang, Lin Li, Zhuo Chen, Mingzhi Zhu, Yuanting Gu
Breast cancer ranks as the leading cause of cancer-related mortality in females worldwide. It has been proven that microRNAs (miRNAs or miRs), a type of non‑coding RNA, are involved in tumorigenesis. An increasing number of studies has confirmed the critical role of miR‑214 in certain types of cancer. Nevertheless, the biological function of miR‑214, as well as its underlying mechanisms of action in breast cancer remain largely unknown. In the present study, the expression of miR‑214 was found to be upregulated in four human breast cancer cell lines in contrast to its expression level in the non‑malignant breast epithelial cell line, MCF‑10A...
May 2016: International Journal of Molecular Medicine
https://www.readbyqxmd.com/read/26918939/microrna-199a-and-214-as-potential-therapeutic-targets-in-pancreatic-stellate-cells-in-pancreatic-tumor
#6
Praneeth R Kuninty, Linda Bojmar, Vegard Tjomsland, Marie Larsson, Gert Storm, Arne Östman, Per Sandström, Jai Prakash
Pancreatic stellate cells (PSCs) are the key precursor cells for cancer-associated fibroblasts (CAFs) in pancreatic tumor stroma. In this study, we explored miRNA as therapeutic targets in tumor stroma and found miR-199a-3p and miR-214-3p induced in patient-derived pancreatic CAFs and TGF-β-activated human PSCs (hPSCs). Inhibition of miR-199a/-214 using hairpin inhibitors significantly inhibited TGFβ-induced differentiation markers (e.g. α-SMA, collagen, PDGFβR), migration and proliferation. Furthermore, heterospheroids of Panc-1 and hPSCs attained smaller size with hPSCs transfected with anti-miR-199a/-214 compared to control anti-miR...
March 29, 2016: Oncotarget
https://www.readbyqxmd.com/read/26821019/identification-and-characterization-of-micrornas-in-snakehead-fish-cell-line-upon-snakehead-fish-vesiculovirus-infection
#7
Xiaodan Liu, Jiagang Tu, Junfa Yuan, Xueqin Liu, Lijuan Zhao, Farman Ullah Dawar, Muhammad Nasir Khan Khattak, Abeer M Hegazy, Nan Chen, Vikram N Vakharia, Li Lin
MicroRNAs (miRNAs) play important roles in mediating multiple biological processes in eukaryotes and are being increasingly studied to evaluate their roles associated with cellular changes following viral infection. Snakehead fish Vesiculovirus (SHVV) has caused mass mortality in snakehead fish during the past few years. To identify specific miRNAs involved in SHVV infection, we performed microRNA deep sequencing on a snakehead fish cell line (SSN-1) with or without SHVV infection. A total of 205 known miRNAs were identified when they were aligned with the known zebrafish miRNAs, and nine novel miRNAs were identified using MiRDeep2 software...
2016: International Journal of Molecular Sciences
https://www.readbyqxmd.com/read/26507872/candidate-gene-and-microrna-expression-in-fetal-membranes-and-preterm-delivery-risk
#8
Daniel A Enquobahrie, Mark Hensley, Chunfang Qiu, Dejene F Abetew, Karin Hevner, Mahlet G Tadesse, Michelle A Williams
We investigated candidate gene and microRNA (miRNA) expression in amnion and chorion in relation to risk of preterm delivery (PTD). Amnion and chorion were separated from placenta and collected at delivery from participants who delivered at term (N = 10) and from participants who delivered preterm following spontaneous labor (sPTL-PTD; N = 10), premature rupture of membranes (PPROM-PTD; N = 10), and preeclampsia (PE-PTD; N = 10). Expression of genes (metalloproteinase [MMP] 2, MMP-9, and tissue inhibitors of MMP-1) and miRNAs (miR-199a*, -202*, -210, -214, -223, and -338) was profiled using quantitative real-time polymerase chain reaction approaches...
June 2016: Reproductive Sciences
https://www.readbyqxmd.com/read/26349993/microrna-214-participates-in-the-neuroprotective-effect-of-resveratrol-via-inhibiting-%C3%AE-synuclein-expression-in-mptp-induced-parkinson-s-disease-mouse
#9
Zhao-Hui Wang, Jian-Lei Zhang, Yan-Li Duan, Qi-Shun Zhang, Guo-Fei Li, Dong-Lin Zheng
BACKGROUNDS AND AIMS: MicroRNAs (miRNAs) have been reported to be involved in degenerative disorders including Parkinson's disease (PD). α-synuclein expression is strong associated with the pathogenesis of PD. In the present study, we investigated whether the regulation of α-synuclein expression by miR-214 is the potential mechanism underlying the neuroprotective effect of Resveratrol. METHODS: The PD mouse model was established with the injection of MPTP (1-Methyl-4-phenyl-1,2,3,6-tetrahydropyridine) and the human neuroblastoma cell line, SH-SY5Y, was administrated with MPP+...
August 2015: Biomedicine & Pharmacotherapy, Biomédecine & Pharmacothérapie
https://www.readbyqxmd.com/read/26025394/cardioprotective-effect-of-mir-214-in-myocardial-ischemic-postconditioning-by-down-regulation-of-hypoxia-inducible-factor-1-alpha-subunit-inhibitor
#10
D-Y Wan, Z Zhang, H-H Yang
To determine the significance of miR—214 expression in ischemic post—conditioning. Sixty rats were grouped to establish animal models. Immuno— luminescence and chemical methods were used to detect oxidative stress indicators. Hemodynamics indexes were measured by carotid artery intubation, and ischemia and infarction areas by Evans blue and 2,3—5 triphenyltetrazolium chloride(TTC) staining. TargetScan was used for identification and luciferase assays for verification of target genes...
2015: Cellular and Molecular Biology
https://www.readbyqxmd.com/read/25865776/murine-microrna-214-regulates-intracellular-adhesion-molecule-icam1-gene-expression-in-genital-chlamydia-muridarum-infection
#11
Tanvi Arkatkar, Rishein Gupta, Weidang Li, Jieh-Juen Yu, Shradha Wali, M Neal Guentzel, James P Chambers, Lane K Christenson, Bernard P Arulanandam
The hallmark of chlamydial infection is the development of upper genital pathology in the form of hydrosalpinx and oviduct and/or tubal dilatation. Although molecular events leading to genital tissue presentation and cellular architectural remodelling are unclear, early-stage host immune responses are believed to contribute to these long-term sequelae. Recently, we reported the contribution of selected infection-associated microRNAs (miRs) in the generation of host immunity at early-stage infection (day 6 after intravaginal Chlamydia muridarum challenge in C57BL/6 mice)...
August 2015: Immunology
https://www.readbyqxmd.com/read/25738546/microrna-214-enhances-the-invasion-ability-of-breast-cancer-cells-by-targeting-p53
#12
Fang Wang, Pengwei Lv, Xinwei Liu, Mingzhi Zhu, Xinguang Qiu
Breast cancer (BC) is the foremost cause of cancer-related mortality in women worldwide. An increasing number of studies has confirmed that microRNAs (miRNAs or miRs) play an important role in the development and progression of BC. microRNA-214 (miR-214), a member of the miRNA family, has been demonstrated to function as both a tumor suppressor and oncogene in various types of human cancer. However, the biological function of miR-214 in BC remains unclear. The present study was designed to investigate the potential role of miR-214 in the development and progression of BC...
May 2015: International Journal of Molecular Medicine
https://www.readbyqxmd.com/read/25517751/trpm3-and-mir-204-establish-a-regulatory-circuit-that-controls-oncogenic-autophagy-in-clear-cell-renal-cell-carcinoma
#13
Daniel P Hall, Nicholas G Cost, Shailaja Hegde, Emily Kellner, Olga Mikhaylova, Yiwen Stratton, Birgit Ehmer, William A Abplanalp, Raghav Pandey, Jacek Biesiada, Christian Harteneck, David R Plas, Jarek Meller, Maria F Czyzyk-Krzeska
Autophagy promotes tumor growth by generating nutrients from the degradation of intracellular structures. Here we establish, using shRNAs, a dominant-negative mutant, and a pharmacologic inhibitor, mefenamic acid (MFA), that the Transient Receptor Potential Melastatin 3 (TRPM3) channel promotes the growth of clear cell renal cell carcinoma (ccRCC) and stimulates MAP1LC3A (LC3A) and MAP1LC3B (LC3B) autophagy. Increased expression of TRPM3 in RCC leads to Ca(2+) influx, activation of CAMKK2, AMPK, and ULK1, and phagophore formation...
November 10, 2014: Cancer Cell
https://www.readbyqxmd.com/read/25483088/mir-214-mediated-downregulation-of-rnf8-induces-chromosomal-instability-in-ovarian-cancer-cells
#14
Zheng Wang, Hao Yin, Yuanwei Zhang, Yukun Feng, Zhaofeng Yan, Xiaohua Jiang, Ihtisham Bukhari, Furhan Iqbal, Howard J Cooke, Qinghua Shi
Defective DNA damage response (DDR) is frequently associated with carcinogenesis. Abrogation of DDR leads to chromosomal instability, a most common characteristic of tumors. However, the molecular mechanisms underlying regulation of DDR are still elusive. The ubiquitin ligase RNF8 mediates the ubiquitination of γH2AX and recruits 53BP1 and BRCA1 to DNA damage sites which promotes DDR and inhibits chromosomal instability. Though RNF8 is a key player involved in DDR, regulation of its expression is still poorly understood...
2014: Cell Cycle
https://www.readbyqxmd.com/read/25310480/microrna-214-regulates-osteosarcoma-survival-and-growth-by-directly-targeting-phosphatase-and-tensin-homolog
#15
Xuming Wang, Jiabing Sun, Chunjiang Fu, Dewei Wang, Zhenggang Bi
An increasing number of microRNAs (miRNAs) have been identified as diagnostic and prognostic biomarkers, as well as additional therapeutic tools, in skeletal diseases. Recent studies have established the pathophysiological role of miR‑214, using human osteoporotic bone specimens. However, miR‑214 expression levels and the underlying regulatory mechanism in human osteosarcoma remain unclear. Quantitative polymerase chain reaction (qPCR) was used to examine the expression of miR‑214 in human osteosarcoma tissues and cells...
December 2014: Molecular Medicine Reports
https://www.readbyqxmd.com/read/24911586/dysregulated-microrna-clusters-in-response-to-retinoic-acid-and-cyp26b1-inhibitor-induced-testicular-function-in-dogs
#16
Vanmathy R Kasimanickam, Ramanathan K Kasimanickam, William S Dernell
Spermatogenesis is a multistep synchronized process. Diploid spermatogonia differentiate into haploid spermatozoa following mitosis, meiosis and spermiogenesis. Division and differentiation of male germ cells is achieved through the sequential expression of several genes. Numerous mRNAs in the differentiating germ cells undergo post-transcriptional and translational regulation. MiRNAs are powerful negative regulators of mRNA transcription, stability, and translation and recognize their mRNA targets through base-pairing...
2014: PloS One
https://www.readbyqxmd.com/read/24811402/mir-214-and-n-ras-regulatory-loop-suppresses-rhabdomyosarcoma-cell-growth-and-xenograft-tumorigenesis
#17
Hui-jie Huang, Jun Liu, Hu Hua, San-en Li, Jin Zhao, Shen Yue, Ting-ting Yu, Yu-cui Jin, Steven Y Cheng
Rhabdomyosarcoma (RMS) is a childhood malignant soft tissue cancer that is derived from myogenic progenitors trapped in a permanent mode of growth. Here, we report that miR-214 is markedly down-regulated in human RMS cell lines. Although not required for embryogenesis in mice, miR-214 suppresses mouse embryonic fibroblast (MEF) proliferation. When re-introduced into RD cells, a line of human embryonal RMS cells, miR-214 showed inhibition of tumor cell growth, induction of myogenic differentiation and apoptosis, as well as suppression of colony formation and xenograft tumorigenesis...
April 30, 2014: Oncotarget
https://www.readbyqxmd.com/read/24719559/cantharidin-exerts-anti-hepatocellular-carcinoma-by-mir-214-modulating-macrophage-polarization
#18
Sen Lu, Yun Gao, Xinli Huang, Xuehao Wang
Norcantharidin (NCTD), a demethylated form of cantharidin, has been used as a routine anticancer drug in China. In this study, the effect and mechanism of NCTD on anti-hepatocellular carcinoma (HCC) was examined. In vivo antitumor activity was investigated in hepatoma-bearing mice by intraperitoneal injection of different concentration of NCTD. The levels of MicroRNAs (miRNAs) and mRNA were detected by real-time PCR. The concentrations of IL-10 and IL-12 in BMDMs, Raw 264.7 cells or tumor-associated macrophages (TAMs) were measured with ELISA kit...
2014: International Journal of Biological Sciences
https://www.readbyqxmd.com/read/24479883/micro-rnas-and-ovarian-cancer-the-state-of-art-and-perspectives-of-clinical-research
#19
REVIEW
Angiolo Gadducci, Claudia Sergiampietri, Nora Lanfredini, Ilaria Guiggi
Dysregulation of microRNA (mi-RNA) expression plays a major role in the development and progression of most human malignancies. Members of the miR-200 family, miR-182, miR-214 and miR-221 are frequently up-regulated, whereas miR-100, let-7i, miR-199a, miR-125b, mir-145 and miR-335 are often down-regulated in ovarian cancer compared with normal ovarian tissue. Most mi-RNA signatures are overlapping in different tumor histotypes but some mi-RNAs seem to be histotype specific. For instance, the endometrioid type shares with the serous and clear cell types the up-regulation of miR-200 family members, but also presents over-expression of miR-21, miR-202 and miR-205...
April 2014: Gynecological Endocrinology
https://www.readbyqxmd.com/read/24473397/deregulated-micrornas-in-gastric-cancer-tissue-derived-mesenchymal-stem-cells-novel-biomarkers-and-a-mechanism-for-gastric-cancer
#20
M Wang, C Zhao, H Shi, B Zhang, L Zhang, X Zhang, S Wang, X Wu, T Yang, F Huang, J Cai, Q Zhu, W Zhu, H Qian, W Xu
BACKGROUND: MicroRNAs (miRNAs) are involved in gastric cancer development and progression. However, the expression and role of miRNAs in gastric cancer stromal cells are still unclear. METHODS: The miRNAs differentially expressed in gastric cancer tissue-derived mesenchymal stem cells (GC-MSCs) relative to adjacent non-cancerous tissue-derived MSCs (GCN-MSCs) and in cancer tissues relative to adjacent non-cancerous tissues were screened using miRNA microarray and validated by quantitative RT-PCR...
March 4, 2014: British Journal of Cancer
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