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Long non coding rna

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https://www.readbyqxmd.com/read/29141248/association-of-functional-genetic-variants-of-hotair-with-hepatocellular-carcinoma-hcc-susceptibility-in-a-chinese-population
#1
Hao Li, Xian-Mei Tang, Yangchen Liu, Weizhen Li, Qiaoyun Chen, Yan Pan
BACKGROUND/AIMS: The HOX transcript antisense intergenic RNA (HOTAIR), a long non-coding RNA (lncRNA), plays an important role in the pathogenesis and progression of multiple tumors. The aim of the present study was to evaluate whether common single nucleotide polymorphisms (SNPs) in HOTAIR are related to hepatocellular carcinoma (HCC) susceptibility in a Chinese population. METHODS: We genotyped three SNPs of HOTAIR in a hepatocellular carcinoma (HCC) case-control study, including 482 cases and 520 control subjects...
November 15, 2017: Cellular Physiology and Biochemistry
https://www.readbyqxmd.com/read/29140550/lncrna-h19-interacts-with-polypyrimidine-tract-binding-protein-1-to-reprogram-hepatic-lipid-homeostasis
#2
Chune Liu, Zhihong Yang, Jianguo Wu, Li Zhang, Sangmin Lee, Dong-Ju Shin, Melanie Tran, Li Wang
H19 is an imprinted long non-coding RNA abundantly expressed in embryonic liver and repressed after birth. Here we show that H19 serves as a lipid sensor by synergizing with RNA-binding protein PTBP1 to modulate hepatic metabolic homeostasis. H19RNA interacts with PTBP1 to facilitate its association with SREBP1c mRNA and protein, leading to increased stability and nuclear transcriptional activity. H19 and PTBP1 are upregulated by fatty acids in hepatocytes and in diet-induced fatty liver, which further augments lipid accumulation...
November 15, 2017: Hepatology: Official Journal of the American Association for the Study of Liver Diseases
https://www.readbyqxmd.com/read/29140524/noncodev5-a-comprehensive-annotation-database-for-long-non-coding-rnas
#3
ShuangSang Fang, LiLi Zhang, JinCheng Guo, YiWei Niu, Yang Wu, Hui Li, LianHe Zhao, XiYuan Li, XueYi Teng, XianHui Sun, Liang Sun, Michael Q Zhang, RunSheng Chen, Yi Zhao
NONCODE (http://www.bioinfo.org/noncode/) is a systematic database that is dedicated to presenting the most complete collection and annotation of non-coding RNAs (ncRNAs), especially long non-coding RNAs (lncRNAs). Since NONCODE 2016 was released two years ago, the amount of novel identified ncRNAs has been enlarged by the reduced cost of next-generation sequencing, which has produced an explosion of newly identified data. The third-generation sequencing revolution has also offered longer and more accurate annotations...
November 11, 2017: Nucleic Acids Research
https://www.readbyqxmd.com/read/29138516/the-functions-and-unique-features-of-long-intergenic-non-coding-rna
#4
REVIEW
Julia D Ransohoff, Yuning Wei, Paul A Khavari
Long intergenic non-coding RNA (lincRNA) genes have diverse features that distinguish them from mRNA-encoding genes and exercise functions such as remodelling chromatin and genome architecture, RNA stabilization and transcription regulation, including enhancer-associated activity. Some genes currently annotated as encoding lincRNAs include small open reading frames (smORFs) and encode functional peptides and thus may be more properly classified as coding RNAs. lincRNAs may broadly serve to fine-tune the expression of neighbouring genes with remarkable tissue specificity through a diversity of mechanisms, highlighting our rapidly evolving understanding of the non-coding genome...
November 15, 2017: Nature Reviews. Molecular Cell Biology
https://www.readbyqxmd.com/read/29138341/long-non-coding-rna-neat1-regulated-by-the-egfr-pathway-contributes-to-glioblastoma-progression-through-the-wnt-%C3%AE-catenin-pathway-by-scaffolding-ezh2
#5
Qun Chen, Jinquan Cai, Qixue Wang, Yunfei Wang, Mingyang Liu, Jingxuan Yang, Junhu Zhou, Chun-Sheng Kang, Min Li, Chuanlu Jiang
PURPOSE: Long noncoding RNAs have been implicated in gliomagenesis, but their mechanisms of action are mainly undocumented. Through public glioma mRNA expression datasets, we found that NEAT1 was a potential oncogene. We systematically analyzed the clinical significance and mechanism of NEAT1 in glioblastoma. EXPERIMENTAL DESIGN: Initially, we evaluated whether NEAT1 expression levels could be regulated by EGFR pathway activity. We subsequently evaluated the effect of NEAT1 on the WNT/β-Catenin pathway and its target binding gene...
November 14, 2017: Clinical Cancer Research: An Official Journal of the American Association for Cancer Research
https://www.readbyqxmd.com/read/29138229/genomic-structural-variations-lead-to-dysregulation-of-important-coding-and-non-coding-rna-species-in-dilated-cardiomyopathy
#6
Jan Haas, Stefan Mester, Alan Lai, Karen S Frese, Farbod Sedaghat-Hamedani, Elham Kayvanpour, Tobias Rausch, Rouven Nietsch, Jes-Niels Boeckel, Avisha Carstensen, Mirko Völkers, Carsten Dietrich, Dietmar Pils, Ali Amr, Daniel B Holzer, Diana Martins Bordalo, Daniel Oehler, Tanja Weis, Derliz Mereles, Sebastian Buss, Eva Riechert, Emil Wirsz, Maximilian Wuerstle, Jan O Korbel, Andreas Keller, Hugo A Katus, Andreas E Posch, Benjamin Meder
The transcriptome needs to be tightly regulated by mechanisms that include transcription factors, enhancers, and repressors as well as non-coding RNAs. Besides this dynamic regulation, a large part of phenotypic variability of eukaryotes is expressed through changes in gene transcription caused by genetic variation. In this study, we evaluate genome-wide structural genomic variants (SVs) and their association with gene expression in the human heart. We detected 3,898 individual SVs affecting all classes of gene transcripts (e...
November 14, 2017: EMBO Molecular Medicine
https://www.readbyqxmd.com/read/29138205/long-term-prognosis-of-young-breast-cancer-patients-%C3%A2-40-years-who-did-not-receive-adjuvant-systemic-treatment-protocol-for-the-paradigm-initiative-cohort-study
#7
Gwen Mhe Dackus, Natalie D Ter Hoeve, Mark Opdam, Willem Vreuls, Zsuzsanna Varga, Esther Koop, Stefan M Willems, Carolien Hm Van Deurzen, Emilie J Groen, Alicia Cordoba, Jos Bart, Antien L Mooyaart, Jan G van den Tweel, Vicky Zolota, Jelle Wesseling, Anna Sapino, Ewa Chmielik, Ales Ryska, Frederic Amant, Annegien Broeks, Ron Kerkhoven, Nikolas Stathonikos, Mitko Veta, Adri Voogd, Katarzyna Jozwiak, Michael Hauptmann, Marlous Hoogstraat, Marjanka K Schmidt, Gabe Sonke, Elsken van der Wall, Sabine Siesling, Paul J van Diest, Sabine C Linn
INTRODUCTION: Currently used tools for breast cancer prognostication and prediction may not adequately reflect a young patient's prognosis or likely treatment benefit because they were not adequately validated in young patients. Since breast cancers diagnosed at a young age are considered prognostically unfavourable, many treatment guidelines recommend adjuvant systemic treatment for all young patients. Patients cured by locoregional treatment alone are, therefore, overtreated. Lack of prognosticators for young breast cancer patients represents an unmet medical need and has led to the initiation of the PAtients with bReAst cancer DIaGnosed preMenopausally (PARADIGM) initiative...
November 14, 2017: BMJ Open
https://www.readbyqxmd.com/read/29137975/microarray-analysis-of-an-synthetic-%C3%AE-synuclein-induced-cellular-model-reveals-the-expression-profile-of-long-non-coding-rna-in-parkinson-s-disease
#8
D Lin, Y Liang, X Jing, Y Chen, M Lei, Z Zeng, T Zhou, X Wu, S Peng, D Zheng, K Huang, L Yang, S Xiao, J Liu, E Tao
Long non-coding RNAs (lncRNAs) are a new research focus that are reported to influence the pathogenetic process of neurodegenerative disorders. To uncover new disease-associated genes and their relevant mechanisms, we carried out a gene microarray analysis based on a Parkinson's disease (PD) in vitro model induced by α-synuclein oligomers. This cellular model induced by 25 μmol/L α-synuclein oligomers has been confirmed to show the stable, transmissible neurotoxicity of α-synuclein, a typical PD pathological marker...
November 11, 2017: Brain Research
https://www.readbyqxmd.com/read/29137688/the-long-noncoding-rna-hotair-promotes-colorectal-cancer-progression-by-sponging-mir-197
#9
Xinyang Lu, Zhiqiang Liu, Xiaofei Ning, Lunhua Huang, Biao Jiang
The long non-coding RNA HOX transcript antisense RNA (HOTAIR) has been found overexpressed in many human malignancies and involved in tumor progression and metastasis. Although the downstream target through which HOTAIR modulates tumor metastasis is not well-known, evidence suggests that microRNA-197 (miR-197) might be involved in this event. In the present study, the significance of HOTAIR and miR-197 in the progression of colorectal cancer were detected in vitro and in vivo. We found that HOTAIR expression was significantly increased in colorectal cancer cells and tissues...
November 14, 2017: Oncology Research
https://www.readbyqxmd.com/read/29137430/genome-wide-analysis-and-functional-prediction-of-long-non-coding-rnas-in-mouse-uterus-during-the-implantation-window
#10
Qi Wang, Nan Wang, Rui Cai, Fan Zhao, Yongjie Xiong, Xiao Li, Aihua Wang, Pengfei Lin, Yaping Jin
Establishment of the receptive uterus is a crucial step for embryo implantation. In this study, the expression profiles and characterization of long non-coding RNAs (lncRNAs) in pregnant mouse uteri on day 4, day 5 at implantation sites and inter-implantation sites were conducted using RNA-seq. A total of 7,764 putative lncRNA transcripts were identified, including 6,179 known lncRNA transcripts and 1,585 novel lncRNA transcripts. Bioinformatics analysis of the cis and trans lncRNA targets showed that the differentially expressed lncRNAs were mainly involved in tissue remodelling, immune response and metabolism-related processes, indicating that lncRNAs could be involved in the regulation of embryo implantation...
October 13, 2017: Oncotarget
https://www.readbyqxmd.com/read/29137412/long-non-coding-rna-snhg15-inhibits-p15-and-klf2-expression-to-promote-pancreatic-cancer-proliferation-through-ezh2-mediated-h3k27me3
#11
Zhonghua Ma, Hesuyuan Huang, Jirong Wang, Yan Zhou, Fuxing Pu, Qinghong Zhao, Peng Peng, Bingqing Hui, Hao Ji, Keming Wang
Long non-coding RNA (lncRNA) is emerging as an critical regulator in multiple cancers, including pancreatic cancer (PC). Recently, lncRNA SNHG15 was found to be up-regulated in gastric cancer and hepatocellular carcinoma, exerting oncogenic effects. Nevertheless, the biological function and regulatory mechanism of SNHG15 remain unclear in pancreatic cancer (PC). In this study, we reported that SNHG15 expression was also upregulated in PC tissues, and its overexpression was remarkably associated with tumor size, tumor node metastasis (TNM) stage and lymph node metastasis in patients with PC...
October 13, 2017: Oncotarget
https://www.readbyqxmd.com/read/29137410/linc00461-a-long-non-coding-rna-is-important-for-the-proliferation-and-migration-of-glioma-cells
#12
Yali Yang, Mingxin Ren, Chao Song, Dan Li, Shahid Hussain Soomro, Yajie Xiong, Hongfeng Zhang, Hui Fu
An increasing number of reports have revealed that long non-coding RNAs are important players in tumorigenesis. Here we showed that long non-coding RNA LINC00461 is highly expressed in glioma tissues compared to non-neoplastic brain tissues. The knockdown of LINC00461 suppressed cyclinD1/A/E expression which led to G0/G1 cell cycle arrest and inhibited cell proliferation in glioma cells. LINC00461 suppression also inhibited glioma cell migration and invasion. The function of LINC00461 in glioma cells is partially mediated by MAPK/ERK and PI3K/AKT signaling pathways as down-regulation of LINC00461 expression suppressed ERK1/2 and AKT activities...
October 13, 2017: Oncotarget
https://www.readbyqxmd.com/read/29137407/lncrna-snhg12-contributes-to-multidrug-resistance-through-activating-the-mapk-slug-pathway-by-sponging-mir-181a-in-non-small-cell-lung-cancer
#13
Pei Wang, Dong Chen, Hongbing Ma, Yong Li
Small nucleolar RNA host gene 12 (SNHG12), as one of the long non-coding RNAs (lncRNAs), plays an oncogenic role in various cancers, however, its role in the chemoresistance of non-small cell lung cancer (NSCLC) is unclear. In this study, we investigated the effect of SNHG12 on multidrug resistance (MDR) in NSCLC. The results showed that SNHG12 was high-expressed and miR-181a was low-expressed in NSCLC tumor tissues and cell lines. Knockdown of SNHG12 reversed the resistance to cisplatin, paclitaxel and gefitinib in A549/DDP, A549/PTX and PC9/AB2 cells through inducing cell apoptosis...
October 13, 2017: Oncotarget
https://www.readbyqxmd.com/read/29137379/diagnostic-potential-of-serum-exosomal-colorectal-neoplasia-differentially-expressed-long-non-coding-rna-crnde-p-and-microrna-217-expression-in-colorectal-carcinoma
#14
Bo Yu, Qiong Du, Huan Li, Hong-Yue Liu, Xuan Ye, Bin Zhu, Qing Zhai, Xin-Xiang Li
In this study, we investigated the diagnostic potential of serum exosomal colorectal neoplasia differentially expressed (CRNDE-p) long coding RNA and microRNA-217 in colorectal carcinoma (CRC). We detected high CRNDE-p and low miR-217 levels in exosomes released by multiple CRC cell lines into culture media as well as in sera from CRC xenograft mice and CRC patients. Conversely, we observed lower CRNDE-p and higher miR-217 levels in serum exosomes from post-chemotherapy than from pre-chemotherapy patient samples...
October 13, 2017: Oncotarget
https://www.readbyqxmd.com/read/29137338/effect-of-long-non-coding-rna-highly-up-regulated-in-liver-cancer-hulc-on-the-prognosis-of-cancer-a-meta-analysis
#15
Yong Li, Yi-Hong Liu, Xian Chen, Yan-Juan Zhu, Hai-Bo Zhang, Yan Li, Jian-Ping Bai, Li-Rong Liu, Yan-Chun Qu, Xin Qu
Some studies investigated the association between highly up-regulated in liver cancer (HULC) and the overall survival (OS) of cancer. However, the results were conflicted and inconclusive. Therefore, we performed this meta-analysis to determine the association between HULC and the OS of cancer. A comprehensive online search was conducted on Online electronic databases (PubMed, EMBASE, and Wanfang database) from the earliest date to Aug 30, 2016. The strength of the association was calculated with the HRs and respective 95% CIs...
October 10, 2017: Oncotarget
https://www.readbyqxmd.com/read/29137332/long-noncoding-rna-xist-is-a-prognostic-factor-in-colorectal-cancer-and-inhibits-5-fluorouracil-induced-cell-cytotoxicity-through-promoting-thymidylate-synthase-expression
#16
Yang Xiao, Usenko Alexander Yurievich, Smorzhevskyi Valentyn Yosypovych
A major reason for the failure of advanced colorectal cancer (CRC) treatment is the occurrence of chemoresistance to 5-fluorouracil (5FU)-based treatment. Recent studies have shown that long non-coding RNAs (lncRNAs) are critical regulators in chemoresistance. By using the next generation HiSeq sequencing assay, we identified lncRNAs showing differential expression levels in 5FU resistant and non-resistant CRC patients. RT-qPCR was then performed for validation in tissues and serum samples, and lncRNA XIST was verified to be up-regulated in non-responding patients and have considerable diagnostic potential to identify responding patients from non-responding patients...
October 10, 2017: Oncotarget
https://www.readbyqxmd.com/read/29137272/immunological-cytokine-profiling-identifies-tnf-%C3%AE-as-a-key-molecule-dysregulated-in-autistic-children
#17
Jiang Xie, Li Huang, Xiaohong Li, Hua Li, Yongmei Zhou, Hua Zhu, Tianying Pan, Keith M Kendrick, Wenming Xu
Recent studies have suggested that the etiology of autism spectrum disorder (ASD) may be caused by immunological factors, particularly abnormalities in the innate immune system. However, it is still unclear which specific cytokines may be of most importance. The current study therefore investigated which cytokines showed altered concentrations in blood in ASD compared with healthy control children and which were also correlated with symptom severity. Our study sample included 32 children diagnosed with ASD and 28 age and sex-matched typically developing children...
October 10, 2017: Oncotarget
https://www.readbyqxmd.com/read/29137177/comprehensive-profiling-of-lincrnas-in-lung-adenocarcinoma-of-never-smokers-reveals-their-roles-in-cancer-development-and-prognosis
#18
Ying Li, Zheng Wang, Asha Nair, Wei Song, Ping Yang, Xiaoju Zhang, Zhifu Sun
Long intergenic non-coding RNA (lincRNA) is a family of gene transcripts, the functions of which are largely unknown. Although cigarette smoking is the main cause for lung cancer, lung cancer in non-smokers is a separate entity and its underlying cause is little known. Growing evidence suggests lincRNAs play a significant role in cancer development and progression; however, such data is lacking for lung cancer in non-smokers, or those who have never smoked. This study conducted comprehensive profiling of lincRNAs from RNA sequencing (RNA-seq) data of non-smoker patients with lung adenocarcinoma...
November 13, 2017: Genes
https://www.readbyqxmd.com/read/29137151/the-complete-mitogenome-of-the-wood-feeding-cockroach-cryptocercus-meridianus-blattodea-cryptocercidae-and-its-phylogenetic-relationship-among-cockroach-families
#19
Weijun Li, Zongqing Wang, Yanli Che
In this study, the complete mitochondrial genome of Cryptocercus meridianus was sequenced. The circular mitochondrial genome is 15,322 bp in size and contains 13 protein-coding genes, two ribosomal RNA genes (12S rRNA and 16S rRNA), 22 transfer RNA genes, and one D-loop region. We compare the mitogenome of C. meridianus with that of C. relictus and C. kyebangensis. The base composition of the whole genome was 45.20%, 9.74%, 16.06%, and 29.00% for A, G, C, and T, respectively; it shows a high AT content (74...
November 12, 2017: International Journal of Molecular Sciences
https://www.readbyqxmd.com/read/29136952/identification-and-validation-of-cetuximab-resistance-associated-long-noncoding-rna-biomarkers-in-metastatic-colorectal-cancer
#20
Ke Peng, Ruiqi Liu, Yiyi Yu, Li Liang, Shan Yu, Xiaojing Xu, Tianshu Liu
BACKGROUND: Cetuximab is one of the most widely used epidermal growth factor receptor (EGFR) inhibitors to treat patients with metastatic colorectal cancer (mCRC) harboring wild-type of RAS/RAF status. However, primary and acquired resistance to cetuximab is often found during target therapy. METHODS: To gain insights into the functions of long non-coding RNA (lncRNA) in cetuximab resistance, we used a lncRNA-mining approach to distinguish lncRNA specific probes in Affymetrix HG-U133A 2...
November 10, 2017: Biomedicine & Pharmacotherapy, Biomédecine & Pharmacothérapie
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