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https://www.readbyqxmd.com/read/28813705/the-lncrna-tug1-ezh2-axis-promotes-pancreatic-cancer-cell-proliferation-migration-and-emt-phenotype-formation-through-sponging-mir-382
#1
Liang Zhao, Hongwei Sun, Hongru Kong, Zongjing Chen, Bicheng Chen, Mengtao Zhou
BACKGROUND/AIMS: Pancreatic carcinoma (PC) is the one of the most common and malignant cancers worldwide. LncRNA taurine upregulated gene 1 (TUG1) was initially identified as a transcript upregulated by taurine, and the abnormal expression of TUG1 has been reported in many cancers. However, the biological role and molecular mechanism of TUG1 in PC still needs further investigation. METHODS: Quantitative real-time PCR (qRT-PCR) was performed to measure the expression of TUG1 in PC cell lines and tissues...
August 15, 2017: Cellular Physiology and Biochemistry
https://www.readbyqxmd.com/read/28810936/lncrna-c2dat1-promotes-cell-proliferation-migration-and-invasion-by-targeting-mir-34a-5p-in-osteosarcoma-cells
#2
Daofu Jia, Yanping Niu, Dongling Li, Zhaorui Liu
Osteosarcoma is a highly aggressive malignant bone tumor with poor prognosis in cases. Evidence suggested that lncRNAsare deregulated in multiple cancers. In this study, we investigated the role of the lncRNA C2dat1 on the biological functions of osteosarcoma cells. The expressions of C2dat1, miR-34a-5p and Sirt1 in human osteosarcoma cells were altered by transfection with their specific vectors/shRNA, or mimic/inhibitor. Then, cell viability, migration, invasion and apoptosis were respectively assessed post-transfection...
August 15, 2017: Oncology Research
https://www.readbyqxmd.com/read/28810932/lncrna-neat1-promotes-growth-and-metastasis-of-cholangiocarcinoma-cells
#3
Cheng Zhang, Jing-Yi Li, Fu-Zhou Tian, Gang Zhao, Hai Hu, Yue-Feng Ma, Yu-Long Yang
Long non-coding RNAs (lncRNAs) are known to play important roles in cancers. However, little is known about lncRNAs incholangiocarcinoma (CCA), a cholangiocyte malignancy with poor prognosis. We investigated the role of Nuclear Paraspeckle Assembly Transcript 1 (NEAT1) lncRNA in promoting cholangiocarcinoma (CCA). qRT-PCR analysis of patient samples showed that NEAT1 expression was higher in CCA tumors than matched adjacent non-tumor tissue. NEAT1 levels were also higher in CCA cell lines than a normal biliary epithelium cell line (HIBEpic)...
August 15, 2017: Oncology Research
https://www.readbyqxmd.com/read/28808113/lncrna-gas5-inhibits-microglial-m2-polarization-and-exacerbates-demyelination
#4
Dingya Sun, Zhongwang Yu, Xue Fang, Mingdong Liu, Yingyan Pu, Qi Shao, Dan Wang, Xiaolin Zhao, Aijun Huang, Zhenghua Xiang, Chao Zhao, Robin Jm Franklin, Li Cao, Cheng He
The regulation of inflammation is pivotal for preventing the development or reoccurrence of multiple sclerosis (MS). A biased ratio of high-M1 versus low-M2 polarized microglia is a major pathological feature of MS Here, using microarray screening, we identify the long noncoding RNA (lncRNA) GAS5 as an epigenetic regulator of microglial polarization. Gain- and loss-of-function studies reveal that GAS5 suppresses microglial M2 polarization. Interference with GAS5 in transplanted microglia attenuates the progression of experimental autoimmune encephalomyelitis (EAE) and promotes remyelination in a lysolecithin-induced demyelination model...
August 14, 2017: EMBO Reports
https://www.readbyqxmd.com/read/28805067/the-lncrna-nespas-is-associated-with-osteoarthritis-progression-and-serves-as-a-potential-new-prognostic-biomarker
#5
Sujung Park, Myeungsoo Lee, Churl-Hong Chun, Eun-Jung Jin
INTRODUCTION: In this article, we explored the hypothesis that the long noncoding RNA, Nespas, promotes osteoarthritis (OA) by supporting abnormal lipid metabolism in human chondrocytes. MATERIALS AND METHODS: Human articular chondrocytes from osteoarthritis patients were used and expression level of Nespas were determined by real-time polymerase chain reaction. Introduction of Nespas and Nespas-associated genes/miRNAs were performed by using a lentiviral system...
August 1, 2017: Cartilage
https://www.readbyqxmd.com/read/28804550/long-noncoding-rna-meg3-suppressed-endothelial-cell-proliferation-and-migration-through-regulating-mir-21
#6
Ziheng Wu, Yangyan He, Donglin Li, Xin Fang, Tao Shang, Hongkun Zhang, Xiangtao Zheng
Long non-coding RNAs (lncRNAs) act critical roles in many biological processes, including cell proliferation, apoptosis, development, invasion and migration. LncRNA maternally expressed gene 3 (MEG3) is found to be downregulated in several tumors; however, its role in the atherosclerosis is still unknown. In the present study, we demonstrated that MEG3 expression level was downregulated in the coronary artery disease (CAD) tissues compared to in the control tissues. We also showed that TNF-α enhanced EC cell proliferation...
2017: American Journal of Translational Research
https://www.readbyqxmd.com/read/28803234/rna-sequencing-and-bioinformatics-analysis-implicate-the-regulatory-role-of-a-long-noncoding-rna-mrna-network-in-hepatic-stellate-cell-activation
#7
Can-Jie Guo, Xiao Xiao, Li Sheng, Lili Chen, Wei Zhong, Hai Li, Jing Hua, Xiong Ma
BACKGROUND/AIMS: To analyze the long noncoding (lncRNA)-mRNA expression network and potential roles in rat hepatic stellate cells (HSCs) during activation. METHODS: LncRNA expression was analyzed in quiescent and culture-activated HSCs by RNA sequencing, and differentially expressed lncRNAs verified by quantitative reverse transcription polymerase chain reaction (qRT-PCR) were subjected to bioinformatics analysis. In vivo analyses of differential lncRNA-mRNA expression were performed on a rat model of liver fibrosis...
August 11, 2017: Cellular Physiology and Biochemistry
https://www.readbyqxmd.com/read/28801479/the-role-of-interactions-of-long-non-coding-rnas-and-heterogeneous-nuclear-ribonucleoproteins-in-regulating-cellular-functions
#8
REVIEW
Xinghui Sun, Mohamed Sham Shihabudeen Haider Ali, Matthew Moran
Long non-coding RNAs (lncRNAs) are emerging as critical regulators of various biological processes and human diseases. The mechanisms of action involve their interactions with proteins, RNA and genomic DNA. Most lncRNAs display strong nuclear localization. Heterogeneous nuclear ribonucleoproteins (hnRNPs) are a large family of RNA-binding proteins that are important for multiple aspects of nucleic acid metabolism. hnRNPs are also predominantly expressed in the nucleus. This review discusses the interactions of lncRNAs and hnRNPs in regulating gene expression at transcriptional and post-transcriptional levels or by changing genomic structure, highlighting their involvements in glucose and lipid metabolism, immune response, DNA damage response, and other cellular functions...
August 11, 2017: Biochemical Journal
https://www.readbyqxmd.com/read/28800314/long-noncoding-rna-pvt1-promotes-hepatocellular-carcinoma-progression-through-regulating-mir-214
#9
Xun Gou, Xiyan Zhao, Zhengrong Wang
BACKGROUND: Long noncoding RNAs (lncRNA) have been verified to be involved in hepatocellular carcinoma (HCC) progression. However, the potential biologic function of PVT1 in HCC is not still fully known. METHODS: PVT1 and miR-214 were detected by qRT-PCR assays in HCC tissues and adjacent normal tissues. CCK8, cell colony and transwell invasion assays were performed to evaluate cell proliferation and invasion abilities. Western-blot assay was performed to detect the protein of E-cadherin and Vimentin...
July 31, 2017: Cancer Biomarkers: Section A of Disease Markers
https://www.readbyqxmd.com/read/28799568/association-of-long-non-coding-rna-h19-and-microrna-21-expression-with-the-biological-features-and-prognosis-of-non-small-cell-lung-cancer
#10
Y Zhou, B Sheng, Q Xia, X Guan, Y Zhang
In recent years, long non-coding RNAs (lncRNAs) and microRNAs (miRNAs) have been shown to play important roles in tumor biological function. The aim of this study was to investigate the diagnostic and prognostic value of lncRNA H19 and miR-21 expression in non-small-cell lung cancer (NSCLC). H19 and miR-21 expression was measured in tumor tissues and corresponding non-tumor lung tissues from 200 patients by quantitative reverse transcription polymerase chain reaction. Moreover, the in vitro and in vivo effects of H19 knock out in A549 cells were investigated...
August 11, 2017: Cancer Gene Therapy
https://www.readbyqxmd.com/read/28797320/decreased-expression-of-mir-138-5p-by-lncrna-h19-in-cervical-cancer-promotes-tumor-proliferation
#11
Lei Ou, Dazhong Wang, Han Zhang, Qian Yu, Fangfang Hua
MicroRNAs (miRNAs) play important roles in the carcinogenesis of cervical cancer. However, the expression and underlying mechanisms of miRNA in cervical cancer progression remain unclear. In the present study, our data showed that the expression of miR-138-5p was significantly downregulated in cervical cancer tissues, decreased expression of miR-138-5p was correlated with advanced FIGO stage, poor differentiation, lymph nodes metastasis, and poor overall survival of cervical cancer patients. Function assays showed that overexpression of miR-138-5p reduced cervical cancer cell proliferation, arrested cell in G0/G1 phase and induced cell apoptosis in vitro...
August 10, 2017: Oncology Research
https://www.readbyqxmd.com/read/28797257/identification-of-key-lncrnas-in-colorectal-cancer-progression-based-on-associated-protein-protein-interaction-analysis
#12
Haishan Zhu, Jiajing Yu, Haifeng Zhu, Yusheng Guo, Shengjie Feng
BACKGROUND: Colorectal cancer (CRC) was one of the most commonly diagnosed malignancies. The molecular mechanisms involved in the progression of CRC remain unclear. Accumulating evidences showed that long noncoding RNAs (lncRNAs) played key roles in tumorigenesis, cancer progression, and metastasis. Therefore, we aimed to explore the roles of lncRNAs in the progression of CRC. METHODS: In this study, we aimed to identify differentially expressed lncRNAs and messenger RNAs (mRNAs) in CRC by analyzing a cohort of previously published datasets: GSE64857...
August 10, 2017: World Journal of Surgical Oncology
https://www.readbyqxmd.com/read/28796922/long-non-coding-rnas-and-prostate-cancer
#13
REVIEW
Aya Misawa, Ken-Ichi Takayama, Satoshi Inoue
Long non-coding RNAs (lncRNAs) are RNA transcripts larger than 200 nucleotides that do not code for proteins whose aberrant expression has been documented in various types of cancer, including prostate cancer. The lack of appropriate sensitive and specific biomarkers for prostate cancer has led to over-diagnosis and overtreatment, making lncRNAs promising novel biomarkers as well as therapeutic targets for the disease. This review attempts to summarize the current knowledge of lncRNA expression patterns and mechanisms in prostate cancer, which contribute to carcinogenesis...
August 10, 2017: Cancer Science
https://www.readbyqxmd.com/read/28796262/long-noncoding-rna-crnde-promotes-colorectal-cancer-cell-proliferation-via-epigenetically-silencing-dusp5-cdkn1a-expression
#14
Jie Ding, Juan Li, HaiYan Wang, Yun Tian, Min Xie, XueZhi He, Hao Ji, Zhonghua Ma, Bingqing Hui, Keming Wang, Guozhong Ji
Evidence indicates that long non-coding RNAs (lncRNAs) play a critical role in the regulation of tumor cellular processes, such as proliferation, apoptosis, and metastasis. LncRNA CRNDE (Colorectal Neoplasia Differentially Expressed) is located at human chromosome 16 and has been found overexpressed in a variety of cancers including colorectal cancer (CRC). In this paper, we report that lncRNA CRNDE expression was remarkably upregulated in CRC tissues and that lncRNA CRNDE overexpression was positively correlated with advanced pathological stages and larger tumor sizes...
August 10, 2017: Cell Death & Disease
https://www.readbyqxmd.com/read/28796257/lncrna-oip5-as1-loss-induced-microrna-410-accumulation-regulates-cell-proliferation-and-apoptosis-by-targeting-klf10-via-activating-pten-pi3k-akt-pathway-in-multiple-myeloma
#15
Nan Yang, Jinqiu Chen, Hui Zhang, Xiaman Wang, Huan Yao, Yue Peng, Wanggang Zhang
Numerous studies confirmed that aberrant miRNAs expression contributes to multiple myeloma (MM) development and progression. However, the roles of specific miRNAs in MM remain to be investigated. In present study, we demonstrated that miR-410 expression was increased in MM newly diagnosed and relapsed tissues and cell lines. Clinical analysis revealed that miR-410 was positively correlated with advanced ISS stage. Moreover, high miR-410 expression in MM patients showed an obvious shorter overall survival and progression-free survival...
August 10, 2017: Cell Death & Disease
https://www.readbyqxmd.com/read/28792927/genome-scale-activation-screen-identifies-a-lncrna-locus-regulating-a-gene-neighbourhood
#16
Julia Joung, Jesse M Engreitz, Silvana Konermann, Omar O Abudayyeh, Vanessa K Verdine, Francois Aguet, Jonathan S Gootenberg, Neville E Sanjana, Jason B Wright, Charles P Fulco, Yuen-Yi Tseng, Charles H Yoon, Jesse S Boehm, Eric S Lander, Feng Zhang
Mammalian genomes contain thousands of loci that transcribe long noncoding RNAs (lncRNAs), some of which are known to carry out critical roles in diverse cellular processes through a variety of mechanisms. Although some lncRNA loci encode RNAs that act non-locally (in trans), there is emerging evidence that many lncRNA loci act locally (in cis) to regulate the expression of nearby genes-for example, through functions of the lncRNA promoter, transcription, or transcript itself. Despite their potentially important roles, it remains challenging to identify functional lncRNA loci and distinguish among these and other mechanisms...
August 11, 2017: Nature
https://www.readbyqxmd.com/read/28792527/the-long-noncoding-rna-xiap-as1-promotes-xiap-transcription-by-xiap-as1-interacting-with-sp1-in-gastric-cancer-cells
#17
Jun Cai, Dong Wang, Zhi-Gang Bai, Jie Yin, Jun Zhang, Zhong-Tao Zhang
Long noncoding RNAs (lncRNAs) play roles in the tumorigenesis, proliferation and metastasis of tumor cells. Previous studies indicate that the transcription factor Sp1 is responsible for transcription of the XIAP gene, but it is unknown whether lncRNAs are involved in XIAP transcription. Herein, we identified a novel lncRNA, denoted as XIAP-AS1, transcribed from the first intron of the complementary strand of the XIAP gene. Using RNA FISH, cell fractionation and qRT-PCR, XIAP-AS1 was determined to be located primarily in the nucleus...
2017: PloS One
https://www.readbyqxmd.com/read/28791407/long-non-coding-rna-meg3-inhibits-cell-growth-of-gliomas-by-targeting-mir-93-and-inactivating-pi3k-akt-pathway
#18
Ling Zhang, Xin Liang, Yuxiong Li
Gliomas are the most common cancers in the brain, accompanied with high morbility, occurrence, disability and mortality. Long non-coding RNAs (lncRNAs) have been proposed as promoter or inhibitor in many cancer processes. Previous findings have indicated that lncRNA-maternally expressed gene 3 (MEG3) is involved in tumorigenesis of several cancers, including glioma. However, the underlying mechanism of MEG3 in glioma remains elusive. In our study, MEG3 was found downregulated in glioma tissues compared with normal brain tissues...
August 3, 2017: Oncology Reports
https://www.readbyqxmd.com/read/28790843/comprehensive-analysis-of-differential-co-expression-patterns-reveal-transcriptional-dysregulation-mechanism-and-identify-novel-prognostic-lncrnas-in-esophageal-squamous-cell-carcinoma
#19
Zhen Li, Qianlan Yao, Songjian Zhao, Yin Wang, Yixue Li, Zhen Wang
Esophageal squamous cell carcinoma (ESCC) is one of the most common malignancies worldwide and occurs at a relatively high frequency in People's Republic of China. However, the molecular mechanism underlying ESCC is still unclear. In this study, the mRNA and long non-coding RNA (lncRNA) expression profiles of ESCC were downloaded from the Gene Expression Omnibus database, and then differential co-expression analysis was used to reveal the altered co-expression relationship of gene pairs in ESCC tumors. A total of 3,709 mRNAs and 923 lncRNAs were differentially co-expressed between normal and tumor tissues, and we found that most of the gene pairs lost associations in the tumor tissues...
2017: OncoTargets and Therapy
https://www.readbyqxmd.com/read/28790838/downregulation-of-lncrna-sdpr-as-is-associated-with-poor-prognosis-in-renal-cell-carcinoma
#20
Wenjun Ni, Erlin Song, Mancheng Gong, Yongxiang Li, Jie Yao, Ruihua An
Renal cell carcinoma (RCC) is a common type of kidney cancer. Normally, surgical treatment can prolong life, but only for patients with early stage tumors. However, it is difficult for early detection strategies to distinguish between benign and malignant kidney tumors. Therefore, potential biomarkers for early diagnosis and prognosis of RCC are needed. Intriguingly, mounting evidence has demonstrated that many long noncoding RNAs (lncRNAs) are strongly linked to cancers. Indeed, promising RCC-associated lncRNA biomarkers have also been identified...
2017: OncoTargets and Therapy
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