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long noncoding Rnas

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https://www.readbyqxmd.com/read/29147078/long-noncoding-rnas-as-a-key-player-in-hepatocellular-carcinoma
#1
REVIEW
Mrigaya Mehra, Ranjit Chauhan
Hepatocellular carcinoma (HCC) is a major malignancy in the liver and has emerged as one of the main cancers in the world with a high mortality rate. However, the molecular mechanisms of HCC are still poorly understood. Long noncoding RNAs (lncRNAs) have recently come to the forefront as functional non-protein-coding RNAs that are involved in a variety of cellular processes ranging from maintaining the structural integrity of chromosomes to gene expression regulation in a spatiotemporal manner. Many recent studies have reported the involvement of lncRNAs in HCC which has led to a better understanding of the underlying molecular mechanisms operating in HCC...
2017: Biomarkers in Cancer
https://www.readbyqxmd.com/read/29147069/expression-profiling-of-long-noncoding-rna-splice-variants-in-human-microvascular-endothelial-cells-lipopolysaccharide-effects-in-vitro
#2
Imran H Chowdhury, Hema P Narra, Abha Sahni, Kamil Khanipov, Casey L C Schroeder, Jignesh Patel, Yuriy Fofanov, Sanjeev K Sahni
Endothelial cell interactions with lipopolysaccharide (LPS) involve both activating and repressing signals resulting in pronounced alterations in their transcriptome and proteome. Noncoding RNAs are now appreciated as posttranscriptional and translational regulators of cellular signaling and responses, but their expression status and roles during endothelial interactions with LPS are not well understood. We report on the expression profile of long noncoding (lnc) RNAs of human microvascular endothelial cells in response to LPS...
2017: Mediators of Inflammation
https://www.readbyqxmd.com/read/29146581/long-noncoding-rnas-emerging-players-in-thyroid-cancer-pathogenesis
#3
Avaniyapuram Kannan Murugan, Munirajan Arasambattu Kannan, Ali S Alzahrani
Thyroid cancer continues to be the most common malignancy of endocrine glands. The incidence of thyroid cancer rises significantly over the past 4 decades and emerges as a major health issue. In recent years, a significant progress has been achieved in our understanding of molecular mechanisms of thyroid carcinogenesis, resulting in significant diagnostic, prognostic and therapeutic implications; yet, it has not reached a satisfactory level. Identifying novel molecular therapeutic targets and molecules for diagnosis and prognosis are expected to advance the overall management of this common malignancy...
November 16, 2017: Endocrine-related Cancer
https://www.readbyqxmd.com/read/29145271/tug1-spry4-it1-and-hulc-as-valuable-prognostic-biomarkers-of-survival-in-cancer-a-prisma-compliant-meta-analysis
#4
Yucheng Zhong, Zhicong Chen, Shuyuan Guo, Xinhui Liao, Haibiao Xie, Yien Zheng, Bin Cai, Peixian Huang, Yuhan Liu, Qun Zhou, Yuchen Liu, Weiren Huang
BACKGROUND: Long noncoding RNAs (LncRNAs) are involved in the development and progression of various cancers. Accumulating evidences indicated that expression of lncRNAs was related to the prognosis of tumors. METHODS: Here, 3 well-known lncRNAs associated with cancer were gathered to prove the potential role of lncRNAs as novel predictors of survival in human cancer. This meta-analysis collected all eligible studies about TUG1, SPRY4-IT1, and HULC and explored the relationship between lncRNAs expression and lymph node metastasis (LNM) or overall survival (OS)...
November 2017: Medicine (Baltimore)
https://www.readbyqxmd.com/read/29145193/huaier-extract-inhibits-breast-cancer-progression-through-a-lncrna-h19-mir-675-5p-pathway
#5
Jijun Wang, Xiaolong Wang, Tong Chen, Liyu Jiang, Qifeng Yang
BACKGROUND/AIMS: Increasing evidence indicates that Huaier extract has promising therapeutic effects against cancer. However, the mechanisms that underlie its anti-tumor effects remain unclear. In recent years, various studies have shown that long noncoding RNAs (lncRNAs) play a critical role in the regulation of cancer development and progression. Here, we explored the role of lncRNAs in Huaier-induced tumor suppression. METHODS: Microarray profiling was performed to identify the candidate lncRNAs affected by Huaier extract...
November 17, 2017: Cellular Physiology and Biochemistry
https://www.readbyqxmd.com/read/29145164/long-noncoding-rna-hnf1a-as1-indicates-a-poor-prognosis-of-colorectal-cancer-and-promotes-carcinogenesis-via-activation-of-the-wnt-%C3%AE-catenin-signaling-pathway
#6
Xin Zhang, Yumin Xiong, Fengying Tang, Ying Bian, Yanhui Chen, Fengli Zhang
Long non-coding RNAs (lncRNAs) have been identified to play critical roles in tumorigenesis. LncRNA HNF1A-AS1 has been suggested to act as an oncogene and serves as a novel prognostic biomarker for various cancer. However, the biological role and clinical significance of lncRNA HNF1A-AS1 in colorectal cancer (CRC) have yet to be fully elusive. Therefore, the present study was designed to determine the expression of lncRNA HNF1A-AS1 in patients with CRC, the role of lncRNA HNF1A-AS1 in CRC cells, as well as the underlying regulatory mechanisms...
October 24, 2017: Biomedicine & Pharmacotherapy, Biomédecine & Pharmacothérapie
https://www.readbyqxmd.com/read/29143326/lncrna-rp11-670e13-6-regulates-cell-cycle-progression-in-uvb-damaged-human-dermal-fibroblasts
#7
Mengna Li, Li Li, Xiaofeng Zhang, Yan Yan, Baoxi Wang
Long noncoding RNAs (lncRNAs) have gained extensive attention in recent years, however, their effects on ultraviolet (UV) radiation-induced skin photodamage remain to be elucidated. In this study, we performed high-throughput RNA sequencing and comprehensive bioinformatics analyses to characterize the transcriptome profiles including lncRNAs and mRNAs in UVB-irradiated primary human dermal fibroblasts (HDFs) and to explore the roles of lncRNAs in photoaging. Quantitative reverse transcription-polymerase chain reaction amplification was performed to verify the differentially expressed genes...
November 16, 2017: Photochemistry and Photobiology
https://www.readbyqxmd.com/read/29143182/noncoding-rnas-in-the-regulation-of-pluripotency-and-reprogramming
#8
REVIEW
Vladimir V Sherstyuk, Sergey P Medvedev, Suren M Zakian
Pluripotent stem cells have great potential for developmental biology and regenerative medicine. Embryonic stem cells, which are obtained from blastocysts, and induced pluripotent stem cells, which are generated by the reprogramming of somatic cells, are two main types of pluripotent cells. It is important to understand the regulatory network that controls the pluripotency state and reprogramming process. Various types of noncoding RNAs (ncRNAs) have emerged as substantial components of regulatory networks...
November 15, 2017: Stem Cell Reviews
https://www.readbyqxmd.com/read/29141996/the-distinct-transcriptomes-of-slow-and-fast-adult-muscles-are-delineated-by-noncoding-rnas
#9
Vered Raz, Muhammad Riaz, Zuotian Tatum, Szymon M Kielbasa, Peter A C 't Hoen
Adult muscles have a vast adaptation capacity, enabling function switches in response to altered conditions. During intensive physical activity, disease, or aging, adult skeletal muscles change and adjust their functions. The competence to adjust varies among muscles. Muscle-specific molecular mechanisms in healthy and normal conditions could designate changes in physiologic and pathologic conditions. We generated deep mRNA-sequencing data in adult fast and slow mouse muscles, and applying paired analysis, we identified that the muscle-specific signatures are composed of half of the muscle transcriptome...
November 15, 2017: FASEB Journal: Official Publication of the Federation of American Societies for Experimental Biology
https://www.readbyqxmd.com/read/29140972/long-noncoding-rna-profiling-revealed-differentially-expressed-lncrnas-associated-with-disease-activity-in-pbmcs-from-patients-with-rheumatoid-arthritis
#10
Min Yuan, Shujun Wang, Lijie Yu, Bo Qu, Liming Xu, Lining Liu, Huanxia Sun, Chunxian Li, Yanjun Shi, Huaxiang Liu
Long noncoding RNAs (lncRNAs) have recently emerged as important biological regulators, and the aberrant expression of lncRNAs has been reported in numerous diseases. However, the expression of lncRNAs in peripheral blood mononuclear cells (PBMCs) in rheumatoid arthritis (RA) has not been well documented. We applied a microarray analysis to profile the lncRNA and mRNA expression in 3 pairs of samples. Each sample was mixed with equivalent PBMCs from 9 female RA patients and 9 corresponding healthy controls, and the data were validated via qPCR using another cohort that comprised 36 RA patients and 24 healthy controls...
2017: PloS One
https://www.readbyqxmd.com/read/29140524/noncodev5-a-comprehensive-annotation-database-for-long-non-coding-rnas
#11
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/29138845/long-noncoding-rna-lnc%C3%A2-egfr-promotes-cell-proliferation-and-inhibits-cell-apoptosis-via-regulating-the-expression-of-egfr-in-human-tongue-cancer
#12
Tingting Sun, Lin Tang, Miaomiao Zhang
Tongue cancer remains a difficult disease to overcome. Long noncoding RNAs (LncRNAs) have been shown to serve significant roles in the diagnosis and treatment of tongue cancer. Herein, the present study aimed to investigate the role of a newly‑discovered Lnc, Lnc‑EGFR in tongue cancer. The results showed that the transcript level of Lnc‑EGFR was upregulated in patients with tongue cancer and in cultured tongue cancer cell lines. Consistently, expression of EGFR was also elevated selectively in cancerous tissues and malignant cell lines...
November 13, 2017: Molecular Medicine Reports
https://www.readbyqxmd.com/read/29138748/identifying-novel-glioma-associated-noncoding-rnas-by-their-expression-profiles
#13
Alenka Matjašič, Mojca Tajnik, Emanuela Boštjančič, Mara Popović, Boštjan Matos, Damjan Glavač
Long noncoding RNAs (lncRNAs) and microRNAs (miRNAs) play a significant role in cancer development as regulators of protein-coding genes. Their dysregulation was in some extent already associated with glioma, the most aggressive primary brain tumours in adults. The correct diagnosis and treatment selection due to high tumour heterogeneity might be difficult and inadequate, resulting in poor prognosis. Studies of expression patterns of noncoding RNAs (ncRNAs) could provide useful insight in glioma molecular development...
2017: International Journal of Genomics
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
#14
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/29137332/long-noncoding-rna-xist-is-a-prognostic-factor-in-colorectal-cancer-and-inhibits-5-fluorouracil-induced-cell-cytotoxicity-through-promoting-thymidylate-synthase-expression
#15
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/29137239/transcriptome-profiling-in-preadipocytes-identifies-long-noncoding-rnas-as-sam68-targets
#16
Naomi Li, Steven Hébert, Jingwen Song, Claudia L Kleinman, Stéphane Richard
The KH-type RNA binding protein Sam68 is required for adipogenesis. We have previously shown that Sam68-deficient mice have a lean phenotype and are protected against dietary-induced obesity due to defects in mTOR and S6K1 alternative splicing. Herein we profiled the transcriptome of Sam68 wild type and deficient 3T3-L1 mouse preadipocytes. We identified 652 protein-coding genes and 9 ncRNAs that were significantly altered with the loss of Sam68. As expected, downregulated genes were significantly associated with GO terms linked to cell migration, motility, and fat cell differentiation, while upregulated genes were mostly associated with GO terms linked to neurogenesis...
October 10, 2017: Oncotarget
https://www.readbyqxmd.com/read/29133788/regulation-of-angiotensin-ii-actions-by-enhancers-and-super-enhancers-in-vascular-smooth-muscle-cells
#17
Sadhan Das, Parijat Senapati, Zhuo Chen, Marpadga A Reddy, Rituparna Ganguly, Linda Lanting, Varun Mandi, Anita Bansal, Amy Leung, Selena Zhang, Ye Jia, Xiwei Wu, Dustin E Schones, Rama Natarajan
Angiotensin II (AngII) promotes hypertension and atherosclerosis by activating growth-promoting and pro-inflammatory gene expression in vascular smooth muscle cells (VSMCs). Enhancers and super-enhancers (SEs) play critical roles in driving disease-associated gene expression. However, enhancers/SEs mediating VSMC dysfunction remain uncharacterized. Here, we show that AngII alters vascular enhancer and SE repertoires in cultured VSMCs in vitro, ex vivo, and in AngII-infused mice aortas in vivo. AngII-induced enhancers/SEs are enriched in binding sites for signal-dependent transcription factors and dependent on key signaling kinases...
November 13, 2017: Nature Communications
https://www.readbyqxmd.com/read/29133519/deep-rna-sequencing-uncovers-a-repertoire-of-human-macrophage-long-intergenic-noncoding-rnas-modulated-by-macrophage-activation-and-associated-with-cardiometabolic-diseases
#18
Hanrui Zhang, Chenyi Xue, Ying Wang, Jianting Shi, Xuan Zhang, Wenjun Li, Sara Nunez, Andrea S Foulkes, Jennie Lin, Christine C Hinkle, Wenli Yang, Edward E Morrisey, Daniel J Rader, Mingyao Li, Muredach P Reilly
BACKGROUND: Sustained and dysfunctional macrophage activation promotes inflammatory cardiometabolic disorders, but the role of long intergenic noncoding RNA (lincRNA) in human macrophage activation and cardiometabolic disorders is poorly defined. Through transcriptomics, bioinformatics, and selective functional studies, we sought to elucidate the lincRNA landscape of human macrophages. METHODS AND RESULTS: We used deep RNA sequencing to assemble the lincRNA transcriptome of human monocyte-derived macrophages at rest and following stimulation with lipopolysaccharide and IFN-γ (interferon γ) for M1 activation and IL-4 (interleukin 4) for M2 activation...
November 13, 2017: Journal of the American Heart Association
https://www.readbyqxmd.com/read/29133230/birth-coming-of-age-and-death-the-intriguing-life-of-long-noncoding-rnas
#19
REVIEW
Samudyata, Gonçalo Castelo-Branco, Alessandro Bonetti
No abstract text is available yet for this article.
November 10, 2017: Seminars in Cell & Developmental Biology
https://www.readbyqxmd.com/read/29133213/long-noncoding-rnas-act-as-regulators-of-autophagy-in-cancer
#20
REVIEW
Ting Sun
Long noncoding RNAs (lncRNAs) have emerged as critical regulators in various cellular processes. Studies have disclosed an important function of lncRNAs in the regulation of autophagy, a crucial cellular homeostatic mechanism that plays a pro-survival or pro-death role in cancer. Deregulation of lncRNAs can contribute to tumorigenesis and cancer progression, wherein lncRNAs can act as oncogenes or tumor suppressors. In this review, we highlight the recent advances in understanding the relationship between lncRNAs and autophagy regulation in cancer...
November 10, 2017: Pharmacological Research: the Official Journal of the Italian Pharmacological Society
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