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long no coding rna

Chaojie Liang, Jing Liu, Hua Ge, Yingchen Xu, Guangming Li, Jixiang Wu
BACKGROUND AND AIM: Studies have reported that Zinc finger E-box binding homeobox 1 antisense 1 (ZEB1-AS1) is overexpressed in many malignant tumors. However, the sample size in those studies was limited, so the clinicopathological and prognostic value of ZEB1-AS1 in solid tumors remains undetermined, Accordingly, the aim of this meta-analysis was to evaluate the relationship between the expression of lncRNA ZEB1-AS1 and clinicopathological characteristics and prognosis in patients with solid tumors...
May 17, 2018: Clinica Chimica Acta; International Journal of Clinical Chemistry
J Wen, C-Y Yang, J Lu, X-Y Wang
OBJECTIVE: We aimed at investigating the expression of long non-coding RNA (lncRNA) Ptprj-as1 and the role of lncRNAPtprj-as1 in inflammatory cells after intracerebral hemorrhage and its potential mechanism. MATERIALS AND METHODS: The rat model of intracerebral hemorrhage was established. Expressions of Ptprj-as1 and inflammatory cytokines in inflammatory cells were detected by quantitative Real-time PCR (qRT-PCR). After BV2 cells were transfected with lentivirus, cell proliferation, migrative ability and apoptosis were detected by cell counting kit-8 (CCK-8) assay, transwell chamber and flow cytometry, respectively...
May 2018: European Review for Medical and Pharmacological Sciences
Yong Yan Wu, Wei Gao, Yu Liang Zhang, Min Niu, Jia Jia Cui, Cai Xia Xiang, Jiang Wei Sang, Shu Xin Wen, Bin Quan Wang
Objective: To investigate the expression of LINC00520 in laryngeal squamous cell carcinoma(LSCC),and analyze its relevance and roles in carcinogenesis and development of LSCC. Method: The expression of LINC00520 in laryngeal squamous cell carcinoma tissue and paired adjacent normal tissue was determined by real-time PCR.The relationship between the expression of LINC00520 and the clinicopathological characteristics including clinical stage,pathological type,histological grade and lymph node metastasis of LSCC was analyzed...
January 20, 2018: Journal of Clinical Otorhinolaryngology, Head, and Neck Surgery
Xingtao Long, Li Li, Qi Zhou, Haixia Wang, Dongling Zou, Dong Wang, Meng Lou, Weiqi Nian
Long stress-induced noncoding transcript 5 (LSINCT5) is a member of the LSINCT family, members of which are expressed during stress-induced cell formation and have also been reported to promote cancer progression. In the present study, the association between LSINCT5 expression and clinical significance was investigated and the biological function of LSINCT5 in epithelial ovarian cancer (EOC) was explored. LSINCT5 expression was examined in EOC tissues by reverse transcription-quantitative polymerase chain reaction and its association with clinicopathological factors was analysed...
May 2018: Oncology Letters
Liqiang Gu, Jun Yu, Qing Wang, Bin Xu, Liechen Ji, Lin Yu, Xipeng Zhang, Hui Cai
The present study aimed to investigate potential prognostic long noncoding RNAs (lncRNAs) associated with colorectal cancer (CRC). An mRNA‑seq dataset obtained from The Cancer Genome Atlas was employed to identify the differentially expressed lncRNAs (DELs) between CRC patients with good and poor prognoses. Subsequently, univariate and multivariate Cox regression analyses were conducted to analyze the prognosis‑associated lncRNAs among all DELs. In addition, a risk scoring system was developed according to the expression levels of the prognostic lncRNAs, which was then applied to a training set and an independent testing set...
May 3, 2018: Molecular Medicine Reports
Sophie Carter, Stéphanie Miard, Louise Boivin, Sandrine Sallé-Lefort, Frédéric Picard
Several studies have suggested that signals emerging from white adipose tissue can contribute to the control of longevity. In turn, aging is associated with perturbed regulation and partitioning of fat depots and insulin resistance. However, the exact mechanisms involved in these relationships remain undetermined. Using RAP-PCR on adipose tissue of young and old male mice coupled with qPCR validation, we have uncovered the long non-coding RNA Malat1 as a gene robustly downregulated in visceral white adipose tissue (vWAT) during normal aging in male mice and men...
2018: PloS One
CaiXia Lu, XiaoMei Sun, Na Li, WenGuang Wang, DeXuan Kuang, PinFen Tong, YuanYuan Han, JieJie Dai
Circular RNAs (circRNAs) are a novel type of non-coding RNA expressed across different species and tissues. At present, little is known about the expression and function of circRNAs in the tree shrew brain. In this study, we used RNA-seq to identify 35,007 circRNAs in hippocampus and cerebellum samples from infant (aged 47-52 days), young (aged 15-18 months), and old (aged 78-86 months) tree shrews. We observed no significant changes in the total circRNA expression profiles in different brain regions over time...
April 30, 2018: Aging
Maryam Rezazadeh, Jalal Gharesouran, Mohsen Moradi, Rezvan Noroozi, Mir Davood Omrani, Mohammad Taheri, Soudeh Ghafouri-Fard
Multiple sclerosis (MS) is an autoimmune disorder of central nervous system with several genetic and environmental risk factors. Genes with regulatory roles on immune system have been implicated in its pathogenesis. Recently, long non-coding RNAs (lncRNAs) have been demonstrated to control some aspects of immune response. Among them is antisense non-coding RNA in the INK4 locus (ANRIL) whose involvement in NF-κB signaling pathway has been highlighted. In the current study, we evaluated the association between rs1333045, rs4977574, rs1333048, and rs10757278 variants of ANRIL and MS risk in a population of 410 Iranian MS patients and 410 healthy subjects...
April 30, 2018: Journal of Molecular Neuroscience: MN
Bo Wang, Michael Regulski, Elizabeth Tseng, Andrew Olson, Sara Goodwin, W Richard McCombie, Doreen Ware
Maize and sorghum are both important crops with similar overall plant architectures, but they have key differences, especially in regard to their inflorescences. To better understand these two organisms at the molecular level, we compared expression profiles of both protein-coding and noncoding transcripts in 11 matched tissues using single-molecule, long-read, deep RNA sequencing. This comparative analysis revealed large numbers of novel isoforms in both species. Evolutionarily young genes were likely to be generated in reproductive tissues and usually had fewer isoforms than old genes...
April 30, 2018: Genome Research
Angshuman Bagchi
Circular RNAs are a class of recently identified long non-coding RNAs. Various experiments reveled that they are covalently closed molecules and are resistant to attack by exonucleases. These RNA molecules are linked to various diseases. Interestingly, though they belong to the class of non-coding RNAs, some of them are experimentally verified to code for protein products. Till date there are no reports regarding the structural aspects of the protein products from these circular RNA molecules. In this work, an attempt has been made to analyze the structural details of the proteins obtained from the circular RNA molecules...
April 25, 2018: Biochemical and Biophysical Research Communications
Anand S Singh, Richard Heery, Steven G Gray
Malignant pleural mesothelioma (MPM) is a rare malignancy, with extremely poor survival rates. At present, treatment options are limited, with no second line chemotherapy for those who fail first line therapy. Extensive efforts are ongoing in a bid to characterise the underlying molecular mechanisms of mesothelioma. Recent research has determined that between 70⁻90% of our genome is transcribed. As only 2% of our genome is protein coding, the roles of the remaining proportion of non-coding RNA in biological processes has many applications, including roles in carcinogenesis and epithelial⁻mesenchymal transition (EMT), a process thought to play important roles in MPM pathogenesis...
April 26, 2018: International Journal of Molecular Sciences
Xiaolan Yu, Yong Cao, Li Tang, Yingcheng Yang, Feng Chen, Jiyi Xia
Baicalein, a natural flavonoid, has fascinating anti-cancer properties in breast cancer. Long noncoding RNAs (lncRNAs), a class of transcripts with no protein-coding potential, also exhibit critical roles in breast cancer. However, the molecular mechanisms mediating the anti-cancer properties of baicalein and whether lncRNAs are involved in the anti-cancer effects are still unclear. In this study, we identified a novel isoform of lncRNA PAX8-AS1 (PAX8-AS1-N), which is activated by baicalein in a dose- and time-dependent manner...
April 25, 2018: Journal of Cellular Biochemistry
Mamadou Beye, Sofiane Bakour, Sory Ibrahima Traore, Jaishriram Rathored, Noémie Labas, Didier Raoult, Pierre-Edouard Fournier
We report the properties of a draft genome sequence of the bacterium Fermentimonas caenicola strain SIT8 (= CSUR P1560). This strain, whose genome is described here, was isolated from the fecal flora of a healthy 28-month-old Senegalese boy. Strain SIT8 is a facultatively anaerobic Gram-negative bacillus. Here we describe the features of this organism, together with the complete genome sequence and annotation. The 2,824,451-bp long (1 chromosome but no plasmid) contains 2354 protein-coding and 46 RNA genes, including four rRNA genes...
2018: Standards in Genomic Sciences
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
Yan Yan, Wen Ye, Qinkai Chen, Liu Yang, Li Zhang, Yu Liu, Xiaochen Zhou, Gongxian Wang
OBJECTIVE: To analyze and preliminarily validate the lncRNA expression profiles in the stenosis tissue of arteriovenous fistula (AVF). METHODS: A total of 54 uremic patients administered in the department of nephrology in the First Affiliated Hospital of Nanchang University between February 2017 and March 2017 were included in the study and subsequently categorized as experimental group, which included 12 patients with confirmed diagnosis of AVF, and control group which included 42 patients with no vascular stenosis...
April 12, 2018: Gene
Xiaopeng Hu, Junping Ao, Xinyue Li, Huijuan Zhang, Ji Wu, Weiwei Cheng
Background: The etiology and pathogenesis of pre-eclampsia (PE) is unclear, and there is no ideal early clinical biomarker for prediction of PE. The competing endogenous RNA (ceRNA) hypothesis is a new approach to uncover the molecular pathology of PE. The first aim of this study was to perform messenger RNA, long non-coding RNA, and circular RNA (circRNA) expression profiling of human normal and severe pre-eclampsia (SPE) placentas. circRNA, which has a stable structure, is a more suitable biomarker than other types of RNA...
2018: Clinical Epigenetics
Peng Cai, Hongxing Li, Weiwei Huo, Hairong Zhu, Chao Xu, Rujin Zang, Wei Lv, Yankai Xia, Weibing Tang
Hirschsprung's disease (HSCR) is a birth defect that causes a failure of the enteric nervous system to cover the distal gut during early embryonic development. Evidence shows that long non-coding RNAs (lncRNA) play important roles in HSCR. The MIR31 host gene (MIR31HG), also known as Loc554202, is a long non-coding RNA (lncRNA), which acts as the host gene of (microRNA) miR-31 and miR-31*. There have been no studies regarding its function in early developmental defects during pregnancy, and its downstream genetic receptors...
April 6, 2018: Journal of Cellular Biochemistry
Alexander R Gawronski, Michael Uhl, Yajia Zhang, Yen-Yi Lin, Yashar S Niknafs, Varune R Ramnarine, Rohit Malik, Felix Feng, Arul M Chinnaiyan, Colin C Collins, S Cenk Sahinalp, Rolf Backofen
Motivation: Long non-coding RNAs (lncRNAs) are defined as transcripts longer than 200 nucleotides that do not get translated into proteins. Often these transcripts are processed (spliced, capped, polyadenylated) and some are known to have important biological functions. However, most lncRNAs have unknown or poorly understood functions. Nevertheless, because of their potential role in cancer, lncRNAs are receiving a lot of attention, and the need for computational tools to predict their possible mechanisms of action is more than ever...
April 3, 2018: Bioinformatics
Tianyu Lu, Chen Yu, Hongbin Ni, Weibang Liang, Huiying Yan, Wei Jin
Aggressive growth hormone-secreting pituitary adenomas (GHPAs) represent an important clinical problem in patients with acromegaly. Surgical therapy, although often the mainstay of treatment for GHPAs, is less effective in aggressive GHPAs due to their invasive and destructive growth patterns, and their proclivity for infrasellar invasion. LncRNAs are important players in cancer development and emerging in various fundamental biological processes. In the present study, qRT-PCR was performed to examine the expression of lncRNA H19 and MALAT-1 in invasive and non-invasive GHPAs...
March 28, 2018: International Journal of Developmental Neuroscience
M Nabuan Naufer, Anthony V Furano, Mark C Williams
Long interspersed nuclear element 1 (LINE-1 or L1) is the dominant retrotransposon in mammalian genomes. L1 encodes two proteins ORF1p and ORF2p that are required for retrotransposition. ORF2p functions as the replicase. ORF1p is a coiled coil-mediated trimeric, high affinity RNA binding protein that packages its full- length coding transcript into an ORF2p-containing ribonucleoprotein (RNP) complex, the retrotransposition intermediate. ORF1p also is a nucleic acid chaperone that presumably facilitates the proposed nucleic acid remodeling steps involved in retrotransposition...
March 26, 2018: Seminars in Cell & Developmental Biology
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