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miR-218

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https://www.readbyqxmd.com/read/28549587/neuronally-differentiated-adipose-derived-stem-cells-and-aligned-phbv-nanofiber-nerve-scaffolds-promote-sciatic-nerve-regeneration
#1
Feihu Hu, Xiaofeng Zhang, Haixia Liu, Peng Xu, Doulathunnisa, Gaojun Teng, Zhongdang Xiao
Through a combination of biomaterials and stem cells, tissue engineering strategies for restoring and regenerating damaged peripheral nerves have recently been used to meet the challenges posed by nerve injury. In a previous study, we revealed a new way to induce neuronal differentiation of stem cells based on the temporally sequential use of miR-218 and Fibroblast Growth Factor 2 (FGF2) in vitro (FGF2-miR-218 induction approach). In the present study, we sought to investigate the application of this novel approach in repairing sciatic nerve damage in vivo...
May 23, 2017: Biochemical and Biophysical Research Communications
https://www.readbyqxmd.com/read/28492560/mir-218-5p-restores-sensitivity-to-gemcitabine-through-prkce-mdr1-axis-in-gallbladder-cancer
#2
Hui Wang, Ming Zhan, Sun-Wang Xu, Wei Chen, Man-Mei Long, Yong-Heng Shi, Qiang Liu, Man Mohan, Jian Wang
Gallbladder cancer (GBC) is one of the most common malignancy of the biliary tract characterized by its high chemoresistant tendency. Although great progresses have been made in recent decades for treating many cancers with anticancer drugs, effective therapeutics methods for anti-GBC are still lacking. Therefore, investigations into identifying the mechanisms underlying the drug resistance of GBC are greatly needed. In this study, we show that miR-218-5p plays a critical role in gemcitabine resistance of GBC...
May 11, 2017: Cell Death & Disease
https://www.readbyqxmd.com/read/28465350/myostatin-inhibits-osteoblastic-differentiation-by-suppressing-osteocyte-derived-exosomal-microrna-218-a-novel-mechanism-in-muscle-bone-communication
#3
Yiwen Qin, Yuanzhen Peng, Wei Zhao, Jianping Pan, Hanna Ksiezak-Reding, Christopher Cardozo, Yingjie Wu, Paola Divieti Pajevic, Lynda F Bonewald, William A Bauman, Weiping Qin
Muscle and bone are closely associated in both anatomy and function, but the mechanisms that coordinate their synergistic action remain poorly defined. Myostatin, a myokine secreted by muscles, has been shown to inhibit muscle growth, and the disruption of the myostatin gene has been reported to cause muscle hypertrophy and increase bone mass. Extracellular vesicle-exosomes that carry microRNA (miRNA), mRNA, and proteins are known to perform an important role in cell-cell communication. We hypothesized that myostatin may play a crucial role in muscle-bone interactions and may promote direct effects on osteocytes and on osteocyte-derived exosomal miRNAs, thereby indirectly influencing the function of other bone cells...
May 2, 2017: Journal of Biological Chemistry
https://www.readbyqxmd.com/read/28429357/inhibition-of-pulmonary-carcinoma-proliferation-or-metastasis-of-mir-218-via-down-regulating-cdcp1-expression
#4
X-J Zeng, Y-H Wu, M Luo, P-G Cong, H Yu
OBJECTIVE: Pulmonary carcinoma is one common malignant tumor with a high risk of recurrence and metastasis. Non-small cell lung cancer (NSCLC) is the most common subtype. As one tumor biomarker, microRNA (miR) has tissue sensitivity and can facilitate oncogene or inhibit tumor suppressor gene. MiR-218 has abnormal expression and can work as one molecular marker for tumors. However, its expression and function mechanism in lung cancer cells have not been fully illustrated. MATERIALS AND METHODS: In vitro cultured pulmonary adenoma A549 cells and normal bronchial epithelial cell line 16HBE were tested for miR-218 expression...
April 2017: European Review for Medical and Pharmacological Sciences
https://www.readbyqxmd.com/read/28416596/microrna-profiling-reveals-marker-of-motor-neuron-disease-in-als-models
#5
Mariah L Hoye, Erica D Koval, Amy J Wegener, Theodore S Hyman, Chengran Yang, David R O'Brien, Rebecca L Miller, Tracy Cole, Kathleen M Schoch, Tao Shen, Tomonori Kunikata, Jean-Philippe Richard, David H Gutmann, Nicholas J Maragakis, Holly B Kordasiewicz, Joseph D Dougherty, Timothy M Miller
Amyotrophic lateral sclerosis (ALS) is a progressive neurodegenerative disorder marked by the loss of motor neurons (MNs) in the brain and spinal cord, leading to fatally debilitating weakness. Because this disease predominantly affects MNs, we aimed to characterize the distinct expression profile of that cell type in order to elucidate underlying disease mechanisms and identify novel targets that inform on MN health during ALS disease timecourse. microRNAs (miRNAs) are short, non-coding RNAs that can shape the expression profile of a cell and, consequently, often exhibit cell type enriched expression...
April 17, 2017: Journal of Neuroscience: the Official Journal of the Society for Neuroscience
https://www.readbyqxmd.com/read/28413712/variation-within-mbp-gene-predicts-disease-course-in-multiple-sclerosis
#6
Yuan Zhou, Steve Simpson, Jac C Charlesworth, Ingrid van der Mei, Robyn M Lucas, Anne-Louise Ponsonby, Bruce V Taylor
OBJECTIVE: Prognosis following a first demyelinating event is difficult to predict, with no genetic markers of MS progression currently identified. Myelin basic protein (MBP) is a major component of the myelin sheath of CNS neurons and may play a central role in demyelinating diseases such as MS. However, genetic variation in MBP has not been implicated in MS onset risk in large genome-wide association studies. We hypothesized that genetic variations in MBP may be a determinant of MS clinical course...
April 2017: Brain and Behavior
https://www.readbyqxmd.com/read/28412444/hypoxia-inducible-microrna-218-inhibits-trophoblast-invasion-by-targeting-lasp1-implications-for-preeclampsia-development
#7
Min Fang, Hechun Du, Bing Han, Guiyu Xia, Xiaoliang Shi, Feng Zhang, Qiqin Fu, Tao Zhang
Preeclampsia (PE) is a major contributor to maternal morbidity and mortality. However, the molecular mechanisms underlying PE progression are not well characterized. Here, we investigated the role of miR-218 in PE development. The expression of miR-218 and its host genes SLIT2 and SLIT3 was up-regulated in preeclamptic placentae compared to normal placentae. miR-218 expression was induced by hypoxia and decreased after knockdown of HIF-1α in an extravillous trophoblast cell line (HTR-8/SVneo). Chromatin immunoprecipitation assays showed direct binding of HIF-1α to the promoters of SLIT2 and SLIT3...
April 12, 2017: International Journal of Biochemistry & Cell Biology
https://www.readbyqxmd.com/read/28369267/mir-218-suppresses-the-metastasis-and-emt-of-hcc-cells-via-targeting-serbp1
#8
Ting Wang, Ling Xu, Rongrong Jia, Jue Wei
Hepatocellular carcinoma (HCC) is the leading cause of cancer-related deaths worldwide. Although many efforts for treating HCC have been made, the survival rate remains unsatisfied. Accumulating evidence indicates that microRNA-218 (miR-218) functions as a tumor suppressor and involves in many biological processes such as tumor initiation, development, and metastasis in certain types of human cancers. However, the potential function and underlying molecular mechanism of miR-218 in HCC still remains to be elucidated...
May 1, 2017: Acta Biochimica et Biophysica Sinica
https://www.readbyqxmd.com/read/28323002/mir-218-inhibited-tumor-angiogenesis-by-targeting-robo1-in-gastric-cancer
#9
Xiangyuan Zhang, Jiaqiang Dong, Yan He, Ming Zhao, Zhen Liu, Na Wang, Mingzuo Jiang, Zhe Zhang, Gang Liu, Haiming Liu, Yongzhan Nie, Daiming Fan, Jun Tie
Aberrant expression of miRNAs is involved in several carcinogenic processes, including tumor growth, metastasis and angiogenesis. The aim of this study was to determine the role of miR-218 in gastric cancer angiogenesis. In situ hybridization was performed on a set of tissue microarray samples to assess the difference in miR-218 expression in vessels between tumor tissues and normal gastric mucosa. In vitro, ectopic expression of miR-218 disturbed the tubular structure and inhibited the migration of endothelial cells...
June 5, 2017: Gene
https://www.readbyqxmd.com/read/28298809/predictive-value-of-mir-219-1-mir-938-mir-34b-c-and-mir-218-polymorphisms-for-gastric-cancer-susceptibility-and-prognosis
#10
Yanhua Wu, Zhifang Jia, Donghui Cao, Chuan Wang, Xing Wu, Lili You, Simin Wen, Yuchen Pan, Xueyuan Cao, Jing Jiang
Gastric cancer (GC) is one of the most prominent global cancer-related health threats. Genes play a key role in the precise mechanisms of gastric cancer. SNPs in mi-RNAs could affect mRNA expression and then affect the risk and prognosis of GC. Firstly, we have decided to perform a case-control study which included 897 GC patients and 992 controls to evaluate the association of miR-219-1 rs213210, miR-938 rs2505901, miR-34b/c rs4938723, and miR-218 rs11134527 polymorphisms with gastric cancer susceptibility...
2017: Disease Markers
https://www.readbyqxmd.com/read/28257234/reply-to-direct-detection-of-circulating-micrornas-unveiled-the-absence-of-mir-218-5p-in-smoker-subjects
#11
Griet Conickx, Pieter Mestdagh, Jo Vandesompele, Guy G Brusselle, Ken R Bracke
No abstract text is available yet for this article.
March 3, 2017: American Journal of Respiratory and Critical Care Medicine
https://www.readbyqxmd.com/read/28257232/direct-detection-of-circulating-micrornas-unveiled-the-absence-of-mir-218-5p-in-smoker-subjects
#12
Erika Cione, Luca Gallelli
No abstract text is available yet for this article.
March 3, 2017: American Journal of Respiratory and Critical Care Medicine
https://www.readbyqxmd.com/read/28222430/microrna-218-increases-the-sensitivity-of-bladder-cancer-to-cisplatin-by-targeting-glut1
#13
Peng Li, Xiao Yang, Yidong Cheng, Xiaolei Zhang, Chengdi Yang, Xiaheng Deng, Pengchao Li, Jun Tao, Haiwei Yang, Jifu Wei, Jingyuan Tang, Wenbo Yuan, Qiang Lu, Xiaoting Xu, Min Gu
BACKGROUND/AIMS: MicroRNA-218 (miR-218) is down-regulated in many malignancies that have been implicated in the regulation of diverse processes in cancer cells. However, the involvement of miR-218 in chemo-sensitivity to cisplatin and the precise mechanism of this action remained unknown in bladder cancer. METHODS: qRT-PCR was used to detect miR-218 and its target Glut1 expression in bladder cancer cell lines T24 and EJ. CCK-8 method was utilized to measure the cell viability...
2017: Cellular Physiology and Biochemistry
https://www.readbyqxmd.com/read/28192397/downregulation-of-mir-218-contributes-to-epithelial-mesenchymal-transition-and-tumor-metastasis-in-lung-cancer-by-targeting-slug-zeb2-signaling
#14
Z-M Shi, L Wang, H Shen, C-F Jiang, X Ge, D-M Li, Y-Y Wen, H-R Sun, M-H Pan, W Li, Y-Q Shu, L-Z Liu, S C Peiper, J He, B-H Jiang
Epithelial-mesenchymal transition (EMT) has been recognized as a key element of cell migration and invasion in lung cancer; however, the underlying mechanisms are not fully elucidated. Recently, emerging evidence suggest that miRNAs have crucial roles in control of EMT and EMT-associated traits such as migration, invasion and chemoresistance. Here, we found that miR-218 expression levels were significantly downregulated in lung cancer tissues compared with adjacent non-cancerous tissues, and the levels of miR-218 were significantly associated with histological grades and lymph node metastasis...
May 4, 2017: Oncogene
https://www.readbyqxmd.com/read/28120494/retraction-statement-microrna-218-increases-cellular-sensitivity-to-rapamycin-via-targeting-rictor-in-cervical-cancer-by-li-j-wang-j-wang-y-qiu-h
#15
(no author information available yet)
The above article from APMIS, published online on 24 April 2015 in Wiley Online Library (wileyonlinelibrary.com) and in Volume 123, pp. 562-570, has been retracted by agreement between the authors, the journal Editors in Chief, Professors Bodil Norrild, Ben Vainer and Elisabeth Ralfkiaer, and John Wiley & Sons Ltd. The article has been retracted due to errors in the reported results. In this study, the authors used HeLa and SiHa cell lines to investigate the biological roles of miR-218. However, subsequently it emerged that the two cell lines were contaminated in the laboratory by other unknown cell lines...
2017: APMIS: Acta Pathologica, Microbiologica, et Immunologica Scandinavica
https://www.readbyqxmd.com/read/28105117/mir-218-suppresses-gastric-cancer-cell-proliferation-and-invasion-via-regulation-of-angiopoietin-2
#16
Sifeng Tang, Deyou Wang, Qiwen Zhang, Leping Li
Novel targeted therapies need to be developed for gastric cancer, the third most common cancer type and the second most common cause of cancer-related mortality in China. Previous studies indicate that angiopoietin (Ang)-2 serves a role in the proliferation, migration, invasion and adhesion of malignant cells. The present study identified, using functional studies, that exogenous expression of miR-218 increased migration of NCI-87 and HGC-27 gastric cancer cells, which coincided with a reduction in the expression of Ang-2...
December 2016: Experimental and Therapeutic Medicine
https://www.readbyqxmd.com/read/28088735/long-non-coding-rna-ccat1-promotes-human-retinoblastoma-so-rb50-and-y79-cells-through-negative-regulation-of-mir-218-5p
#17
Hongxu Zhang, Jianguang Zhong, Zhenyu Bian, Xiang Fang, You Peng, Yongping Hu
OBJECTIVE: To investigate the regulatory role and potential mechanism of long non-coding RNAs (lncRNA) in human retinoblastoma (RB). METHODS: The lncRNA profile in RB tissues were analyzed by microarray and quantitative reverse transcription PCR (qRT-PCR). One of the identified lncRNAs (LncRNA CCAT1) was selected for further experiments. SO-RB50 and Y79 cells were transfected with negative control, siRNA targeting lncRNA CCAT1 (si-CCAT1) and si-CCAT1+miR218-5p inhibitor, respectively...
March 2017: Biomedicine & Pharmacotherapy, Biomédecine & Pharmacothérapie
https://www.readbyqxmd.com/read/28074855/mir-218-targets-mecp2-and-inhibits-heroin-seeking-behavior
#18
Biao Yan, Zhaoyang Hu, Wenqing Yao, Qiumin Le, Bo Xu, Xing Liu, Lan Ma
MicroRNAs (miRNAs) are a class of evolutionarily conserved, 18-25 nucleotide non-coding sequences that post-transcriptionally regulate gene expression. Recent studies implicated their roles in the regulation of neuronal functions, such as learning, cognition and memory formation. Here we report that miR-218 inhibits heroin-induced behavioral plasticity. First, network propagation-based method was used to predict candidate miRNAs that played potential key roles in regulating drug addiction-related genes. Microarray screening was also carried out to identify miRNAs responding to chronic heroin administration in the nucleus accumbens (NAc)...
January 11, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28069878/malat1-is-associated-with-poor-response-to-oxaliplatin-based-chemotherapy-in-colorectal-cancer-patients-and-promotes-chemoresistance-through-ezh2
#19
Peilong Li, Xin Zhang, Haiyan Wang, Lili Wang, Tong Liu, Lutao Du, Yongmei Yang, Chuanxin Wang
A major reason for oxaliplatin chemoresistance in colorectal cancer (CRC) is the acquisition of epithelial-mesenchymal transition (EMT) in cancer cells. The long non-coding RNA, MALAT1, is a highly conserved nuclear ncRNA and a key regulator of metastasis development in several cancers. However, its role in oxaliplatin-induced metastasis and chemo-resistance is not well known. In this study, we aim to investigate the prognostic and therapeutic role of MALAT1 in CRC patients receiving oxaliplatin-based therapy, and further explore the potential transcriptional regulation through interaction with EZH2 based on the established HT29 oxaliplatin-resistant cells...
January 9, 2017: Molecular Cancer Therapeutics
https://www.readbyqxmd.com/read/28052414/microrna-218-inhibits-tumor-growth-and-increases-chemosensitivity-to-cddp-treatment-by-targeting-bcat1-in-prostate-cancer
#20
Wenjing Zhu, Yiqun Shao, Yu Peng
MicroRNAs have been reported to be associated with chemosensitivity of several types of cancers. However, the underlying molecular mechanisms are poorly understood. In this study, we explored miR-218 increased the chemosensitivity to cis-diaminedichloroplatinum treatment of prostate cancer. We found that the expression level of miR-218 was down-regulated in the human prostate cancer specimens. Moreover, overexpression of miR-218 inhibited cell viability, migration, and invasion in PC3 and DU145 cells. Furthermore, we demonstrated that the tumor suppressive role of miR-218 was mediated by negatively regulating branched-chain amino acid transaminase 1 (BCAT1) protein expression...
June 2017: Molecular Carcinogenesis
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