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long non-coding RNAs

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https://www.readbyqxmd.com/read/28531944/upregulation-of-ccat2-promotes-cell-proliferation-by-repressing-the-p15-in-breast-cancer
#1
Xin Deng, Yi Zhao, Xin Wu, Guoqing Song
BACKGROUND: Long non-coding RNAs (lncRNAs) are demonstrated to function as modulators of both transcriptional and post-transcriptional regulation in various types of tumors progression. The objective of the study is to investigate the clinical significance and underlying mechanism of Colon cancer associated transcript 2 (CCAT2) involved in breast cancer. METHODS: QT-PCR was performed to examine the relative expression levels of CCAT2 in breast cancer tissues and adjacent normal tissues...
May 17, 2017: Biomedicine & Pharmacotherapy, Biomédecine & Pharmacothérapie
https://www.readbyqxmd.com/read/28529578/long-non-coding-rna-expression-profiles-in-gallbladder-carcinoma-identified-using-microarray-analysis
#2
Jiwen Wang, Han Liu, Xiaokun Shen, Yueqi Wang, Dexiang Zhang, Sheng Shen, Tao Suo, Hongtao Pan, Yue Ming, Kan Ding, Houbao Liu
Gallbladder carcinoma (GBC) is the most common biliary tract cancer and exhibits poor patient prognosis. Previous studies have identified that long non-coding RNAs (lncRNAs) serve important regulatory roles in cancer biology. Alterations in lncRNAs are associated with several types of cancer. However, the contribution of lncRNAs to GBC remains unclear. To investigate the lncRNAs that are potentially involved in GBC, lncRNA profiles were identified in three pairs of human GBC and corresponding peri-carcinomatous tissue samples using microarray analysis...
May 2017: Oncology Letters
https://www.readbyqxmd.com/read/28527107/an-immune-related-six-lncrna-signature-to-improve-prognosis-prediction-of-glioblastoma-multiforme
#3
Meng Zhou, Zhaoyue Zhang, Hengqiang Zhao, Siqi Bao, Liang Cheng, Jie Sun
Recent studies have demonstrated the utility and superiority of long non-coding RNAs (lncRNAs) as novel biomarkers for cancer diagnosis, prognosis, and therapy. In the present study, the prognostic value of lncRNAs in glioblastoma multiforme was systematically investigated by performing a genome-wide analysis of lncRNA expression profiles in 419 glioblastoma patients from The Cancer Genome Atlas (TCGA) project. Using survival analysis and Cox regression model, we identified a set of six lncRNAs (AC005013.5, UBE2R2-AS1, ENTPD1-AS1, RP11-89C21...
May 19, 2017: Molecular Neurobiology
https://www.readbyqxmd.com/read/28526936/fingerprint-of-long-non-coding-rna-regulated-by-cyclic-mechanical-stretch-in-human-aortic-smooth-muscle-cells-implications-for-hypertension
#4
Laura-Eve Mantella, Krishna K Singh, Paul Sandhu, Crystal Kantores, Azza Ramadan, Nadiya Khyzha, Adrian Quan, Mohammed Al-Omran, Jason E Fish, Robert P Jankov, Subodh Verma
Emerging evidence suggests that long non-coding RNAs (lncRNAs) represent a cellular hub coordinating various cellular processes that are critical in health and disease. Mechanical stress triggers changes in vascular smooth muscle cells (VSMCs) that in turn contribute to pathophysiological changes within the vasculature. We sought to evaluate the role that lncRNAs play in mechanical stretch-induced alterations of human aortic smooth muscle cells (HASMCs). RNA (lncRNA and mRNA) samples isolated from HASMCs that had been subjected to 10 or 20% elongation (1 Hz) for 24 h were profiled with the Arraystar Human LncRNA Microarray V3...
May 19, 2017: Molecular and Cellular Biochemistry
https://www.readbyqxmd.com/read/28522862/expression-profiling-of-mrnas-and-long-non-coding-rnas-in-aged-mouse-olfactory-bulb
#5
Ming Wang, Wei Liu, Jian Jiao, Jingyun Li, Chengshuo Wang, Luo Zhang
Age-related decline in olfactory function affects the quality of life in elderly people and also potentially represents an early clinical symptom of neurodegenerative disorder. Olfactory bulb (OB) plays a central role in olfactory information transmitting and signal processing. The mechanisms underlying this impairment remain unclear. In the current study, microarray was used to investigate differentially expressed protein coding genes (PCGs) and long non-coding RNAs (lncRNAs) in OBs from three groups of mice of different ages (2 months-old young adults, 6 months-old mature adults and 20 months-old aged adults), for their potential roles in olfactory impairment...
May 18, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28522611/long-terminal-repeats-power-evolution-of-genes-and-gene-expression-programs-in-mammalian-oocytes-and-zygotes
#6
Vedran Franke, Sravya Ganesh, Rosa Karlic, Radek Malik, Josef Pasulka, Filip Horvat, Maja Kuzman, Helena Fulka, Marketa Cernohorska, Jana Urbanova, Eliska Svobodova, Jun Ma, Yutaka Suzuki, Fugaku Aoki, Richard M Schultz, Kristian Vlahovicek, Petr Svoboda
Retrotransposons are 'copy-and-paste' insertional mutagens that substantially contribute to mammalian genome content. Retrotransposons often carry long terminal repeats (LTRs) for retrovirus-like reverse transcription and integration into the genome. We report an extraordinary impact of a group of LTRs from the mammalian endogenous retrovirus-related ERVL retrotransposon class on gene expression in the germline and beyond. In mouse, we identified >800 LTRs from ORR1, MT, MT2, and MLT families, which resemble mobile gene-remodeling platforms that supply promoters and first exons...
May 18, 2017: Genome Research
https://www.readbyqxmd.com/read/28522163/lncrna-malat1-sponges-mir-204-to-promote-osteoblast-differentiation-of-human-aortic-valve-interstitial-cells-through-up-regulating-smad4
#7
Xiaoxiong Xiao, Tingwen Zhou, Shichao Guo, Chao Guo, Qiao Zhang, Nianguo Dong, Yongjun Wang
BACKGROUND: Emerging evidences have indicated that long non-coding RNAs (lncRNAs) play vital roles in cardiovascular physiology and pathology. The lncRNA MALAT1, a highly abundant and conserved imprinted gene, has been implicated in many cardiovascular diseases. However, the function of MALAT1 in calcific aortic valve disease (CAVD) remains unknown. This study sought to document the function and underlying mechanism of MALAT1 in regulating CAVD. METHODS: Protein level was determined by immunoblotting and immunofluorescence staining...
May 10, 2017: International Journal of Cardiology
https://www.readbyqxmd.com/read/28521420/long-non-coding-rna-gas5-inhibits-cell-proliferation-induces-g0-g1-arrest-and-apoptosis-and-functions-as-a-prognostic-marker-in-colorectal-cancer
#8
Yang Yang, Zhanlong Shen, Yichao Yan, Bo Wang, Jizhun Zhang, Chao Shen, Tao Li, Chunxiang Ye, Zhidong Gao, Guo Peng, Yingjiang Ye, Kewei Jiang, Shan Wang
Colorectal cancer (CRC) is the third most common cancer worldwide and its treatment remains a challenge. Effective control of cell survival and proliferation is critical in the prevention of oncogenesis and successful treatment of cancer. Long non-coding RNAs (lncRNAs) have emerged as primary regulators of carcinogenesis. Growth arrest specific 5 (GAS5), a lncRNA, is known to be aberrantly expressed in several types of cancer, however, the role of GAS5 in CRC remains unclear. In the present study, GAS5 mRNA expression was measured in CRC and adjacent normal mucosa tissue samples from 53 patients using reverse transcription-quantitative polymerase chain reaction analysis, in addition to seven CRC cell lines...
May 2017: Oncology Letters
https://www.readbyqxmd.com/read/28521296/the-prognostic-value-of-long-non-coding-rnas-in-cervical-cancer-a-meta-analysis
#9
Xiangrong Cui, Xuan Jing, Xueqing Wu
Cervical cancer is one of the most common malignancies in women worldwide. Numerous literatures demonstrate that aberrantly expressed lncRNAs are involved in tumorigenesis and development, and may have the potential to be prognostic markers. However, their prognostic functions in cervical remain controversial. Therefore, we performed this meta-analysis to evaluate the prognostic significance of lncRNAs in cervical cancer. We searched databases to identify relevant articles. Pooled hazard ratios (HRs) and 95% confidence intervals (CIs) were calculated...
May 4, 2017: Oncotarget
https://www.readbyqxmd.com/read/28515681/the-activity-induced-long-non-coding-rna-meg3-modulates-ampa-receptor-surface-expression-in-primary-cortical-neurons
#10
Men C Tan, Jocelyn Widagdo, Yu Q Chau, Tianyi Zhu, Justin J-L Wong, Allen Cheung, Victor Anggono
Transcription of new RNA is crucial for maintaining synaptic plasticity, learning and memory. Although the importance of synaptic plasticity-related messenger RNAs (mRNAs) is well established, the role of a large group of long non-coding RNAs (lncRNAs) in long-term potentiation (LTP) is not known. In this study, we demonstrated the expression of a lncRNA cluster, namely maternally expressed gene 3 (Meg3), retrotransposon-like gene 1-anti-sense (Rtl1-AS), Meg8 and Meg9, which is located in the maternally imprinted Dlk1-Dio3 region on mouse chromosome 12qF1, in primary cortical neurons following glycine stimulation in an N-Methyl-D-aspartate receptor (NMDAR)-dependent manner...
2017: Frontiers in Cellular Neuroscience
https://www.readbyqxmd.com/read/28514769/identification-of-long-non-coding-rnas-biomarkers-associated-with-progression-of-endometrial-carcinoma-and-patient-outcomes
#11
Yanan Sun, Xiaoyan Zou, Jun He, Yuqin Mao
Endometrial carcinoma is a complex disease characterized by both genetic, epigenetic and environmental factors. Increasing evidence has suggested that long non-coding RNAs (lncRNAs) play important roles in the development and progression of cancers. In this study, we performed a comparison analysis for lncRNA expression between patients with early-stage (stage I/II) and those with advanced-stage (stage III/IV) derived from The Cancer Genome Atlas (TCGA) project and identified 17 differentially expressed lncRNAs using student t-test...
April 30, 2017: Oncotarget
https://www.readbyqxmd.com/read/28513547/epigenetic-regulation-of-telomere-maintenance-for-therapeutic-interventions-in-gliomas
#12
REVIEW
Elisabeth Naderlinger, Klaus Holzmann
High-grade astrocytoma of WHO grade 4 termed glioblastoma multiforme (GBM) is a common human brain tumor with poor patient outcome. Astrocytoma demonstrates two known telomere maintenance mechanisms (TMMs) based on telomerase activity (TA) and on alternative lengthening of telomeres (ALT). ALT is associated with lower tumor grades and better outcome. In contrast to ALT, regulation of TA in tumors by direct mutation and epigenetic activation of the hTERT promoter is well established. Here, we summarize the genetic background of TMMs in non-malignant cells and in cancer, in addition to clinical and pathological features of gliomas...
May 17, 2017: Genes
https://www.readbyqxmd.com/read/28512261/a-five-long-non-coding-rna-signature-to-improve-prognosis-prediction-of-clear-cell-renal-cell-carcinoma
#13
Da Shi, Qinghua Qu, Qimeng Chang, Yilin Wang, Yaping Gui, Dong Dong
Recent works have reported that long non-coding RNAs (lncRNAs) play critical roles in tumorigenesis and prognosis of cancers, suggesting the potential utility of lncRNAs as cancer prognostic markers. However, lncRNA signatures in predicting the survival of patients with clear cell renal cell carcinoma (ccRCC) remain unknown. In this study, we attempted to identify lncRNA signatures and their prognostic values in ccRCC. Using lncRNA expression profiling data in 440 ccRCC tumors from The Cancer Genome Atlas (TCGA) data, a five-lncRNA signature (AC069513...
April 28, 2017: Oncotarget
https://www.readbyqxmd.com/read/28510638/%C3%AE-asarone-suppresses-the-proliferation-and-migration-of-asmcs-through-targeting-the-lncrna-pvt1-mir-203a-e2f3-signal-pathway-in-rsv-infected-rats
#14
Xiao Yu, Zhe Zhe, Binqing Tang, Shaobin Li, Ling Tang, Yingen Wu, Xiaorong Chen, Hong Fang
Asthma is a chronic inflammatory pulmonary disease and respiratory syncytial virus (RSV) infection is a common cause of lower respiratory tract illness in infants and young children. α-Asarone presents many pharmacological effects and has been demonstrated to be useful in treating asthma. However, the functional mechanism of α-asarone in RSV-infected asthma has not been investigated. Long non-coding RNAs (lncRNAs) have been reported to play critical roles in many biological processes. Although many lncRNAs have been characterized, few were reported in asthma, especially in RSV-induced asthma...
May 16, 2017: Acta Biochimica et Biophysica Sinica
https://www.readbyqxmd.com/read/28508329/long-non-coding-rna-snhg6-as-a-potential-biomarker-for-hepatocellular-carcinoma
#15
Maryam Tahmasebi Birgani, Mohammadreza Hajjari, Arman Shahrisa, Atefeh Khoshnevisan, Zahra Shoja, Paria Motahari, Baharak Farhangi
Long Non-coding RNAs (lncRNAs) refer to all non-protein coding transcripts longer than 200 nucleotides. Their critical roles in different biological pathways have been already well established. Altered expression of lncRNAs can be involved in the cancer initiation and/or progression. Since patients with hepatocellular carcinoma (HCC) are usually diagnosed in late stages, developing diagnostic methods seems to be essential. In this study, the expression levels of different lncRNAs were systematically analysed in different genomic and transcriptome datasets...
May 15, 2017: Pathology Oncology Research: POR
https://www.readbyqxmd.com/read/28507479/knockdown-of-lncrna-pandar-suppresses-the-proliferation-cell-cycle-and-promotes-apoptosis-in-thyroid-cancer-cells
#16
Zhirong Li, Bo Gao, Shuai Hao, Wuguo Tian, Yi Chen, Lingli Wang, Xiaohua Zhang, Donglin Luo
Long non-coding RNAs (lncRNAs) have been found to show important regulatory roles in various human cancers. Lnc-RNA PANDAR is a novel identified lncRNA that was previously reported to show abnormal expression pattern in various cancers. However, little is known of its expression and biological function in thyroid cancer. Here, we used the quantitative real-time PCR (qRT-PCR) to determine the expression of PANDAR in 64 thyroid cancer tissues. We found that expression of PANDAR was up-regulated in thyroid cancer tissues compared with adjacent non-tumor tissues...
2017: EXCLI journal
https://www.readbyqxmd.com/read/28505386/c-d-box-snornas-form-methylating-and-non-methylating-ribonucleoprotein-complexes-old-dogs-show-new-tricks
#17
REVIEW
Marina Falaleeva, Justin R Welden, Marilyn J Duncan, Stefan Stamm
C/D box snoRNAs (SNORDs) are an abundantly expressed class of short, non-coding RNAs that have been long known to perform 2'-O-methylation of rRNAs. However, approximately half of human SNORDs have no predictable rRNA targets, and numerous SNORDs have been associated with diseases that show no defects in rRNAs, among them Prader-Willi syndrome, Duplication 15q syndrome and cancer. This apparent discrepancy has been addressed by recent studies showing that SNORDs can act to regulate pre-mRNA alternative splicing, mRNA abundance, activate enzymes, and be processed into shorter ncRNAs resembling miRNAs and piRNAs...
May 15, 2017: BioEssays: News and Reviews in Molecular, Cellular and Developmental Biology
https://www.readbyqxmd.com/read/28501870/long-non-coding-rna-xloc_008466-functions-as-an-oncogene-in-human-non-small-cell-lung-cancer-by-targeting-mir-874
#18
Rui Yang, Ping Li, Guojun Zhang, Chunya Lu, Huaqi Wang, Guoqiang Zhao
BACKGROUND: The therapy and prognosis of lung cancer are difficult because of multiple genetic and epigenetic alterations. Long non-coding RNAs (lncRNAs) have been verified as new mediators of cancer development and progression by virtue of their various functions. Here, we focused on the lncRNA XLOC_008466 based on previous microarray data. However, whether aberrant expression of XLOC_008466 in human non-small cell lung cancer (NSCLC) is correlated with malignancy, metastasis or prognosis has not been elucidated...
May 12, 2017: Cellular Physiology and Biochemistry
https://www.readbyqxmd.com/read/28501778/upregulation-of-the-long-non-coding-rna-snhg1-predicts-poor-prognosis-promotes-cell-proliferation-and-invasion-and-reduces-apoptosis-in-glioma
#19
Qiang Wang, Qing Li, Peng Zhou, Danni Deng, Lian Xue, Naiyuan Shao, Ya Peng, Feng Zhi
Long non-coding RNAs (lncRNAs), which are non-coding RNAs with a length above 200 nucleotides, have emerged as novel and important gene expression modulators in carcinogenesis. Recent evidence indicates that the lncRNA small nucleolar RNA host gene 1 (SNHG1) functions as an oncogene in several types of human cancers. However, its function in the development of glioma remains unknown. The aim of this research was to investigate the clinical aspects and biological mechanisms of SNHG1 in glioma. SNHG1 expression was measured in glioma tissues and cell lines by quantitative real-time PCR (qRT-PCR)...
May 11, 2017: Biomedicine & Pharmacotherapy, Biomédecine & Pharmacothérapie
https://www.readbyqxmd.com/read/28501295/discovering-dna-methylation-patterns-for-long-non-coding-rnas-associated-with-cancer-subtypes
#20
Xiaoke Ma, Liang Yu, Peizhuo Wang, Xiaofei Yang
Despite growing evidence demonstrates that the long non-coding ribonucleic acids (lncRNAs) are critical modulators for cancers, the knowledge about the DNA methylation patterns of lncRNAs is quite limited. We develop a systematic analysis pipeline to discover DNA methylation patterns for lncRNAs across multiple cancer subtypes from probe, gene and network levels. By using The Cancer Genome Atlas (TCGA) breast cancer methylation data, the pipeline discovers various DNA methylation patterns for lncRNAs across four major subtypes such as luminal A, luminal B, her2-enriched as well as basal-like...
May 4, 2017: Computational Biology and Chemistry
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