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liver lncRNA

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https://www.readbyqxmd.com/read/29673421/long-noncoding-rna-linc01296-harbors-mir-21a-to-regulate-colon-carcinoma-proliferation-and-invasion
#1
Kecheng Wang, Meng Zhang, Cong Wang, Xiaofei Ning
Increasing evidences have demonstrated that aberrant expressions of long non-coding RNAs (lncRNAs) are closely correlated to various malignancies, as well as colon carcinoma (CC). The aim of this study was to investigate the role of lncRNA long intergenic noncoding RNA 001296 (LINC01296) in tumorigenesis of CC. The result of the quantitative real-time polymerase chain reaction (qRT-PCR) demonstrated that LINC01296 was upregulated in CC cancerous tissues and cell lines compared to adjacent normal tissue and normal liver cell lines...
April 19, 2018: Oncology Research
https://www.readbyqxmd.com/read/29669510/analysis-of-long-non-coding-rna-lncrna-expression-in-hepatitis-b-patients
#2
Sunde Yılmaz Susluer, Cagla Kayabasi, Besra Ozmen Yelken, Aycan Asik, Didem Celik, Tugce Balci Okcanoglu, Suheyla Serin Senger, Cigir Biray Avci, Sukran Kose, Cumhur Gunduz
Long non-coding RNAs (lncRNAs) have been implicated in numerous biological processes, including epigenetic regulation, cell-cycle control, and transcriptional/translational regulation of gene expression. Differential expression of lncRNAs and disruption of the regulatory processes are recognized as critical steps in cancer development. The role of lncRNAs in hepatitis B virus (HBV) infection is not well understood. Here we analyzed the expression of 135 lncRNAs in plasma samples of 82 HBV patients (classified as chronic patients, inactive carriers, or resolved patients) at diagnosis and at 12 months of treatment in relation to control group (81 healthy volunteers)...
April 19, 2018: Bosnian Journal of Basic Medical Sciences
https://www.readbyqxmd.com/read/29653123/long-noncoding-rna-lnchand2-promotes-liver-repopulation-via-c-met-signaling
#3
Yanying Wang, Pingping Zhu, Jing Wang, Xiaoxiao Zhu, Jianjun Luo, Shu Meng, Jiayi Wu, Buqing Ye, Luyun He, Ying Du, Lei He, Runsheng Chen, Yong Tian, Zusen Fan
BACKGROUND & AIMS: Long noncoding RNAs (lncRNAs) play important roles in various biological processes and regulate gene expression by diverse mechanisms. However, how lncRNAs regulate liver repopulation is unknown. METHODS: Here we identify a divergent lncRNA termed LncHand2 that is highly expressed over liver regeneration after partial hepatectomy (PHx). RESULTS: LncHand2 is constitutively expressed in the nuclei of pericentral hepatocytes in mouse and human livers...
April 10, 2018: Journal of Hepatology
https://www.readbyqxmd.com/read/29617930/impact-of-car-agonist-ligand-tcpobop-on-mouse-liver-chromatin-accessibility
#4
Nicholas J Lodato, Andy Rampersaud, David J Waxman
Activation of the nuclear receptor and transcription factor CAR (Nr1i3) by its specific agonist ligand TCPOBOP (1,4-bis[2-(3,5-dichloropyridyloxy)]benzene) dysregulates hundreds of genes in mouse liver and is linked to male-biased hepatocarcinogenesis. To elucidate the genomic organization of CAR-induced gene responses, we investigated the distribution of TCPOBOP-responsive RefSeq coding and long non-coding RNA (lncRNA) genes across the megabase-scale topologically associating domains (TADs) that segment the genome, and which provide a structural framework that functionally constrains enhancer-promoter interactions...
April 2, 2018: Toxicological Sciences: An Official Journal of the Society of Toxicology
https://www.readbyqxmd.com/read/29590393/long-non-coding-rna-expression-profiles-reveals-ak098783-is-a-biomarker-to-predict-poor-prognosis-in-patients-with-colorectal-cancer
#5
Xiaoli Wang, Fen Liu, Xiaoyuan Liu, Fang Wang, Xiaoyu Liao, Yuanbin Chen, Yong Mao, Dong Hua, Xiaosong Ge
Background: Long non-coding RNAs (lncRNAs) have essential regulatory function, yet their roles in colorectal cancer (CRC) are not well understood. Materials and methods: Microarray was applied to detect lncRNAs expression profiles in tumor tissues, liver metastasis and paired adjacent normal tissues of CRC. And using RT-PCR to verify chip results. Results: A total of 10 680 lncRNAs demonstrated differential expressions (fold change ≥2) between tumor tissues and adjacent normal tissues; furthermore there were 2970 lncRNAs, which showed different expression level between CRC tissues with liver metastasis and adjacent normal tissues...
March 26, 2018: Japanese Journal of Clinical Oncology
https://www.readbyqxmd.com/read/29588366/the-long-noncoding-rna-lnczic2-drives-the-self-renewal-of-liver-tumor-initiating-cells-via-the-protein-kinase-c-substrates-marcks-and-marcksl1
#6
Zhenzhen Chen, Yating Liu, Lintong Yao, Shiying Guo, Yanfeng Gao, Pingping Zhu
Liver tumor-initiating cells (TICs) form small subsets of cells in hepatocellular tumors and account for tumorigenesis, metastasis, recurrence, and drug resistance. Recently, we found that the transcription factor Zic family member 2 (ZIC2) is highly expressed in liver TICs and required for their self-renewal. However, the molecular mechanisms underlying self-renewal of liver TICs remains unclear. Here, using expression profiling and CRISPR-interference assays with clinical samples of human liver cancers, we identified a long noncoding RNA (lncRNA), lncZic2, that is located near the ZIC2 locus and was highly expressed in liver cancer and liver TICs...
March 27, 2018: Journal of Biological Chemistry
https://www.readbyqxmd.com/read/29571247/comprehensive-analysis-and-experimental-verification-of-linc01314-as-a-tumor-suppressor-in-hepatoblastoma
#7
Benji Lv, Lianhai Zhang, Runchen Miao, Xiaohong Xiang, Shunbin Dong, Ting Lin, Ke Li, Qu Kai
Hepatoblastoma (HB), as a common pediatric liver malignancy, is composed of a variety of subgroups with different clinical outcomes. Long-noncoding RNA (lncRNA) has crucial roles in cancer biology. However, the association between lncRNA and HB has not been fully investigated. In this study, we screened lncRNA expression profiles that were annotated from the GSE75271 dataset. A total of 225 differentially expressed lncRNAs (DELs) were identified based on comparison between three prognostic subgroups, and seven of them (XR_241302, XR_923061, NR_038322, XR_951687, XR_934593, NR_120317 and XR_93406) that exhibited highly predictive accuracies were selected for functional analysis...
February 2018: Biomedicine & Pharmacotherapy, Biomédecine & Pharmacothérapie
https://www.readbyqxmd.com/read/29540185/linc00210-drives-wnt-%C3%AE-catenin-signaling-activation-and-liver-tumor-progression-through-ctnnbip1-dependent-manner
#8
Xiaomin Fu, Xiaoyan Zhu, Fujun Qin, Yong Zhang, Jizhen Lin, Yuechao Ding, Zihe Yang, Yiman Shang, Li Wang, Qinxian Zhang, Quanli Gao
BACKGROUND: Liver tumor initiating cells (TICs) have self-renewal and differentiation properties, accounting for tumor initiation, metastasis and drug resistance. Long noncoding RNAs are involved in many physiological and pathological processes, including tumorigenesis. DNA copy number alterations (CNA) participate in tumor formation and progression, while the CNA of lncRNAs and their roles are largely unknown. METHODS: LncRNA CNA was determined by microarray analyses, realtime PCR and DNA FISH...
March 14, 2018: Molecular Cancer
https://www.readbyqxmd.com/read/29535801/non-coding-rna-analysis-in-fibrolamellar-hepatocellular-carcinoma
#9
Benjamin A Farber, Gadi Lalazar, Elana P Simon, William J Hammond, David Requena, Umesh K Bhanot, Michael P La Quaglia, Sanford M Simon
Fibrolamellar hepatocellular carcinoma (FLC) is a rare primary liver cancer found in adolescents and young adults without underlying liver disease. A deletion of ~400 kD has been found in one copy of chromosome 19 in the tumor tissue of all patients tested. This produces a fusion of the genes DNAJB1 and PRKACA which, in turn, produces a chimeric transcript and protein. Transcriptomic analysis of the tumor has shown upregulation of various oncologically relevant pathways, including EGF/ErbB, Aurora Kinase A, pak21 and wnt...
February 13, 2018: Oncotarget
https://www.readbyqxmd.com/read/29535420/lncfzd6-initiates-wnt-%C3%AE-catenin-and-liver-tic-self-renewal-through-brg1-mediated-fzd6-transcriptional-activation
#10
Zhenzhen Chen, Yanfeng Gao, Lintong Yao, Yating Liu, Lan Huang, Zhongyi Yan, Wenshan Zhao, Pingping Zhu, Haibo Weng
Liver tumor-initiating cells (TICs), the drivers for liver tumorigenesis, accounts for liver tumor initiation, metastasis, drug resistance and relapse. Wnt/β-catenin signaling pathway emerges as a critical modulator in liver TIC self-renewal. However, the molecular mechanism of Wnt/β-catenin initiation in liver tumorigenesis and liver TICs is still elusive. Here, we examined the expression pattern of 10 Wnt receptors (FZD1-FZD10), and found only FZD6 is overexpressed along with liver tumorigenesis. What's more, a divergent lncRNA of FZD6, termed lncFZD6, is also highly expressed in liver cancer and liver TICs...
March 14, 2018: Oncogene
https://www.readbyqxmd.com/read/29532864/long-non-coding-rna-kcnq1ot1-mediates-the-growth-of-hepatocellular-carcinoma-by-functioning-as-a-competing-endogenous-rna-of-mir-504
#11
Chao Li, Runchen Miao, Jingyao Zhang, Kai Qu, Chang Liu
Accumulating evidence highlights the fact that long non‑coding RNAs (lncRNAs) serve as critical factors in the growth of hepatocellular carcinoma (HCC). The dysregulation of lncRNA KCNQ1 opposite strand/antisense transcript 1 (KCNQ1OT1) has been reported in numerous human benign diseases. However, the role of KCNQ1OT1 in human HCC remains poorly understood. In this study, we demonstrated that the expression of KCNQ1OT1 was abnormally increased in HCC tissues. The ectopic high expression of KCNQ1OT1 was associated with liver cirrhosis, a larger tumor size, an advanced TNM stage, and a worse overall survival and tumor‑free survival...
March 12, 2018: International Journal of Oncology
https://www.readbyqxmd.com/read/29523218/knockdown-of-urothelial-carcinoma-associated-1-suppressed-cell-growth-and-migration-through-regulating-mir-301a-and-cxcr4-in-osteosarcoma-mhcc97-cells
#12
Genglong Zhu, Xialei Liu, Yonghui Su, Fangen Kong, Xiaopeng Hong, Zhidong Lin
Liver cancer is one of the most common malignancies in the world with a leading cause of cancer-related mortality. Accumulating evidences have highlighted the critical role of long noncoding RNAs (lncRNAs) in various cancers. The present study aimed to explore the role of lncRNA urothelial carcinoma associated 1 (UCA1) in cell growth and migration in MHCC97 cells and its underlying mechanism. Firstly, we assessed the expression of UCA1 in MHCC97 and other three cell lines by qRT-PCR. Then, the expression of UCA1, miR-301a and CXCR4 in MHCC97 cells were altered by transient transfection...
March 9, 2018: Oncology Research
https://www.readbyqxmd.com/read/29518613/long-non-coding-rna-tug1-inhibits-apoptosis-and-inflammatory-response-in-lps-treated-h9c2-cells-by-down-regulation-of-mir-29b
#13
Haifang Zhang, Hui Li, Ang Ge, Enyu Guo, Shuxia Liu, Lijuan Zhang
OBJECTIVE: Myocarditis is an important cause for cardiovascular morbidity and mortality in children and adults. The lncRNA taurine up-regulated gene 1 (TUG1) plays important roles in cell apoptosis and inflammation in tumor and liver injury. The present study aimed to investigate the role of TUG1 in LPS-injured H9c2 cells and explore the underlying molecular mechanism. METHODS: H9c2 cells were stimulated with LPS to induce inflammatory injury. The expression of TUG1 was altered by transient transfections...
March 5, 2018: Biomedicine & Pharmacotherapy, Biomédecine & Pharmacothérapie
https://www.readbyqxmd.com/read/29495545/key-anti-fibrosis-associated-long-noncoding-rnas-identified-in-human-hepatic-stellate-cell-via-transcriptome-sequencing-analysis
#14
Xian-Qian Li, Zhen-Xing Ren, Ke Li, Jing-Jing Huang, Zi-Tong Huang, Tian-Ran Zhou, Hong-Ying Cao, Feng-Xue Zhang, Bo Tan
Hepatic fibrosis is the main pathological basis for chronic cirrhosis, and activated hepatic stellate cells (HSCs) are the primary cells involved in liver fibrosis. Our study analyzed anti-fibrosis long noncoding RNAs (lncRNAs) in activated human HSCs (hHSCs). We performed RNA sequencing (RNA-seq) and bioinformatics analysis to determine whether lncRNA expression profile changes between hHSCs activation and quiescence. Eight differentially expressed (DE) lncRNAs and three pairs of co-expression lncRNAs-mRNAs were verified by quantitative Real-Time Polymerase Chain Reaction (qRT-PCR)...
February 27, 2018: International Journal of Molecular Sciences
https://www.readbyqxmd.com/read/29466788/metformin-induced-changes-of-the-coding-transcriptome-and-non-coding-rnas-in-the-livers-of-non-alcoholic-fatty-liver-disease-mice
#15
Jun Guo, Yuan Zhou, Yafen Cheng, Weiwei Fang, Gang Hu, Jie Wei, Yajun Lin, Yong Man, Lixin Guo, Mingxiao Sun, Qinghua Cui, Jian Li
BACKGROUND/AIMS: Recent studies have suggested that changes in non-coding mRNA play a key role in the progression of non-alcoholic fatty liver disease (NAFLD). Metformin is now recommended and effective for the treatment of NAFLD. We hope the current analyses of the non-coding mRNA transcriptome will provide a better presentation of the potential roles of mRNAs and long non-coding RNAs (lncRNAs) that underlie NAFLD and metformin intervention. METHODS: The present study mainly analysed changes in the coding transcriptome and non-coding RNAs after the application of a five-week metformin intervention...
2018: Cellular Physiology and Biochemistry
https://www.readbyqxmd.com/read/29449541/long-noncoding-rna-meg3-suppresses-liver-cancer-cells-growth-through-inhibiting-%C3%AE-catenin-by-activating-pkm2-and-inactivating-pten
#16
Qidi Zheng, Zhuojia Lin, Jie Xu, Yanan Lu, Qiuyu Meng, Chen Wang, Yuxin Yang, Xiaoru Xin, Xiaonan Li, Hu Pu, Xin Gui, Tianming Li, Wujun Xiong, Dongdong Lu
Maternally expressed gene 3 (MEG3) encodes an lncRNA which is suggested to function as a tumor suppressor and has been showed to involve in a variety of cancers. Herein, our findings demonstrate that MEG3 inhibits the malignant progression of liver cancer cells in vitro and in vivo. Mechanistically, MEG3 promotes the expression and maturition of miR122 which targets PKM2. Therefore, MEG3 decreases the expression and nuclear location of PKM2 dependent on miR122. Furthermore, MEG3 also inhibits CyclinD1 and C-Myc via PKM2 in liver cancer cells...
February 15, 2018: Cell Death & Disease
https://www.readbyqxmd.com/read/29441951/lncrna-hulc-promotes-epithelial-and-smooth-muscle-like-differentiation-of-adipose-derived-stem-cells-by-upregulation-of-bmp9
#17
Yongwei Li, Zhengfei Shan, Bin Yang, Diandong Yang, Changping Men, Yuanshan Cui, Jitao Wu
AIMS: Adipose-derived stem cells (ADSCs), a source of mesenchymal stem cells, are able to differentiate into numerous cell lineages, including epithelial and smooth muscle cells. The use of ADSCs in tissue engineering technology has become the most promising therapeutic approach for urethral reconstruction. This study aimed to explore the effect of lncRNA highly upregulated in liver cancer (HULC) on the induction of ADSCs to differentiate into epithelial and smooth-muscle-like cells. METHODS: ADSCs were isolated from a male dog, and the expression of HULC in ADSCs was overexpressed by transfection with HULC expressing vector lentivirus...
January 2, 2018: Die Pharmazie
https://www.readbyqxmd.com/read/29431742/transcriptional-regulation-of-macrophage-cholesterol-efflux-and-atherogenesis-by-a-long-noncoding-rna
#18
Tamer Sallam, Marius Jones, Brandon J Thomas, Xiaohui Wu, Thomas Gilliland, Kevin Qian, Ascia Eskin, David Casero, Zhengyi Zhang, Jaspreet Sandhu, David Salisbury, Prashant Rajbhandari, Mete Civelek, Cynthia Hong, Ayaka Ito, Xin Liu, Bence Daniel, Aldons J Lusis, Julian Whitelegge, Laszlo Nagy, Antonio Castrillo, Stephen Smale, Peter Tontonoz
Nuclear receptors regulate gene expression in response to environmental cues, but the molecular events governing the cell type specificity of nuclear receptors remain poorly understood. Here we outline a role for a long noncoding RNA (lncRNA) in modulating the cell type-specific actions of liver X receptors (LXRs), sterol-activated nuclear receptors that regulate the expression of genes involved in cholesterol homeostasis and that have been causally linked to the pathogenesis of atherosclerosis. We identify the lncRNA MeXis as an amplifier of LXR-dependent transcription of the gene Abca1, which is critical for regulation of cholesterol efflux...
March 2018: Nature Medicine
https://www.readbyqxmd.com/read/29414510/adiponectin-as-lncrna-inhibits-adipogenesis-by-transferring-from-nucleus-to-cytoplasm-and-attenuating-adiponectin-mrna-translation
#19
Rui Cai, Yunmei Sun, Naren Qimuge, Guoqiang Wang, Yingqian Wang, Guiyan Chu, Taiyong Yu, Gongshe Yang, Weijun Pang
Adiponectin (AdipoQ) is an adipocyte-derived hormone with positive function on systemic glucose and lipid metabolism. Long noncoding RNA (lncRNA) is emerging as a vital regulator of adipogenesis. However, AdipoQ-related lncRNAs in lipid metabolism have not been explored. Here, AdipoQ antisense (AS) lncRNA was first identified, and we further found that it inhibited adipogenesis. The half-life of AdipoQ AS lncRNA was 10 h, whereas that of AdipoQ mRNA was 4 h. During adipogenic differentiation, AdipoQ AS lncRNA translocated from nucleus to cytoplasm...
January 29, 2018: Biochimica et Biophysica Acta
https://www.readbyqxmd.com/read/29383134/long-non-coding-rna-deep-sequencing-reveals-the-role-of-macrophage-in-liver-disorders
#20
Zhang Lin, Hao Changfu, Zhao Fengling, Guo Wei, Bao Lei, Li Yiping, Zhang Miao, Yue Zhongzheng, Zhao Youliang, Duan Shuyin, Yao Wu
Liver disorders such as hepatitis, cirrhosis and hepatocellular carcinoma are a series of the most life threatening diseases along with extensive inflammatory cellular infiltrations. Macrophage has been proved to be key regulators and initiators of inflammation, and long non-coding RNAs (lncRNAs) are recommended to play critical roles in the occurrence and development of a variety of diseases. To uncover the role of macrophage in liver disorders via lncRNA sequencing method, we first applied a lncRNA classification pipeline to identify 1247 lncRNAs represented on the Affymetrix Mouse Genome 430/430A 2...
December 29, 2017: Oncotarget
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