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Long noncoding rna

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https://www.readbyqxmd.com/read/28530127/an-oncolytic-adenovirus-expressing-snord44-and-gas5-exhibits-anti-tumor-effect-in-colorectal-cancer-cells
#1
Sujing Yuan, Yu Wu, Yigang Wang, Jianhua Chen, Liang Chu
SNORD44 is a C/D box small nucleolar RNA, and low expresses in breast cancer and head and neck squamous cell carcinoma tissues. Its host gene is growth arrest specific transcript 5 (GAS5), which is a long noncoding RNA. GAS5 is down-regulated in colorectal cancer (CRC), and overexpression of GAS5 suppresses cell proliferation. However, the function of SNORD44 in CRC remains largely unknown, and the application of SNORD44 combined with GAS5 in CRC treatment has not been reported. In this study, the expression levels of SNORD44 and GAS5 were measured in CRC tissues by qRT-PCR...
May 20, 2017: Human Gene Therapy
https://www.readbyqxmd.com/read/28529576/increased-mir31hg-lncrna-expression-increases-gefitinib-resistance-in-non-small-cell-lung-cancer-cell-lines-through-the-egfr-pi3k-akt-signaling-pathway
#2
Bing Wang, Hong Jiang, Limin Wang, Xueqin Chen, Kan Wu, Shirong Zhang, Shenglin Ma, Bing Xia
The aim of the present study was to gain insight into the molecular mechanism of gefitinib resistance in non-small cell lung cancer (NSCLC), and demonstrate whether long noncoding RNA (lncRNA) expression signatures differ between gefitinib-sensitive PC9 and gefitinib-resistant PC9 (PC9-R) cell lines. PC9 and PC9-R cells were treated with gefitinib and, after 48 h, proliferation and apoptosis were analyzed using a Cell Counting Kit-8 (CCK-8) assay and flow cytometry. Microarray expression profiling of lncRNAs was undertaken in both PC9 and PC9-R cells, and the expression profiles were verified by reverse transcription quantitative-polymerase chain reaction...
May 2017: Oncology Letters
https://www.readbyqxmd.com/read/28529365/long-noncoding-rnas-new-evidence-for-overlapped-pathogenesis-between-major-depressive-disorder-and-generalized-anxiety-disorder
#3
Xuelian Cui, Wei Niu, Lingming Kong, Mingjun He, Kunhong Jiang, Shengdong Chen, Aifang Zhong, Wanshuai Li, Jim Lu, Liyi Zhang
BACKGROUND: About half of patients with major depressive disorder (MDD) have clinically meaningful levels of anxiety. Greater severity of depressive illness and functional impairment has been reported in patients with high levels of anxiety accompanying depression. The pathogenesis for the comorbidity was still unsure. AIM: This study aimed to determine whether there would be molecular link for overlapped pathogenesis between MDD and anxiety disorder. MATERIALS AND METHODS: Using long noncoding RNA (lncRNA) microarray profiling and reverse transcription polymerase chain reaction, six downregulated lncRNAs and three upregulated lncRNAs had been identified to be the potential biomarkers for MDD and generalized anxiety disorder (GAD), respectively...
January 2017: Indian Journal of Psychiatry
https://www.readbyqxmd.com/read/28528814/preclinical-study-using-malat1-small-interfering-rna-or-androgen-receptor-splicing-variant-7-degradation-enhancer-asc-j9-%C3%A2-to-suppress-enzalutamide-resistant-prostate-cancer-progression
#4
Ronghao Wang, Yin Sun, Lei Li, Yuanjie Niu, Wanying Lin, Changyi Lin, Emmanuel S Antonarakis, Jun Luo, Shuyuan Yeh, Chawnshang Chang
BACKGROUND: While androgen-deprivation-therapy with the recently developed antiandrogen enzalutamide (Enz) shows promising therapeutic benefits in men with metastatic castration-resistant prostate cancer (PCa), many patients develop resistance to Enz, which may involve the induction of the androgen receptor (AR) splicing variant 7 (AR-v7). OBJECTIVE: Our aim is to identify the mechanisms responsible for AR-v7 production and to develop novel preclinical approaches to suppress the Enz-resistant (EnzR) PCa...
May 18, 2017: European Urology
https://www.readbyqxmd.com/read/28528706/long-noncoding-rnas-in-the-pathogenesis-of-barrett-s-esophagus-and-esophageal-carcinoma
#5
REVIEW
John M Abraham, Stephen J Meltzer
For many years, only a small fraction of the human genome was believed to regulate cell function and development. This protein-coding portion composed only 1% to 2% of 3 billion human DNA base pairs-the remaining sequence was classified as junk DNA. Subsequent research has revealed that most of the genome is transcribed into a broad array of noncoding RNAs, ranging in size from microRNA (20-23 nucleotides) to long noncoding RNA (lncRNA, more than 200 nucleotides). These noncoding RNA classes have been shown to use diverse molecular mechanisms to control gene expression and organ system development...
May 18, 2017: Gastroenterology
https://www.readbyqxmd.com/read/28528181/overexpression-of-long-noncoding-rna-h19-indicates-a-poor-prognosis-for-cholangiocarcinoma-and-promotes-cell-migration-and-invasion-by-affecting-epithelial-mesenchymal-transition
#6
Yi Xu, Zhidong Wang, Xingming Jiang, Yunfu Cui
Cholangiocarcinoma (CCA) is a deadly disease that poorly responds to chemotherapy and radiotherapy and whose incidence has increased worldwide. Furthermore, long noncoding RNAs (lncRNAs) play important roles in multiple biological processes, including tumorigenesis. Specifically, H19, the first discovered lncRNA, has been reported to be overexpressed in diverse human carcinomas, but the overall biological role and clinical significance of H19 in CCA remains unknown. In the present study, expression levels of H19 were investigated in CCA tissues and cell lines and were correlated with clinicopathological features...
May 18, 2017: Biomedicine & Pharmacotherapy, Biomédecine & Pharmacothérapie
https://www.readbyqxmd.com/read/28523555/alzheimer-s-disease-and-ncrnas
#7
Rotem Maoz, Benjamin P Garfinkel, Hermona Soreq
Alzheimer's disease is a devastating neurodegenerative disorder affecting a significant portion of the world's rapidly growing aging population. In spite of its prevalence, the etiology of the disease is still poorly understood, and effective therapy is all but unavailable. Over the past decade, noncoding RNA, including microRNA (miRNA), has emerged as a major class of regulatory molecules involved in virtually all physiological and disease states. The specificity provided by miRNA sequence complementarity, together with the ability of these molecules to regulate complex networks of genes, has made them exciting novel targets for therapeutic agents...
2017: Advances in Experimental Medicine and Biology
https://www.readbyqxmd.com/read/28522613/dehydration-stress-extends-mrna-3-untranslated-regions-with-noncoding-rna-functions-in-arabidopsis
#8
Hai-Xi Sun, Yan Li, Qi-Wen Niu, Nam-Hai Chua
The 3' untranslated regions (3' UTRs) of mRNAs play important roles in the regulation of mRNA localization, translation and stability. Alternative cleavage and polyadenylation (APA) generates mRNAs with different 3' UTRs, but the involvement of this process in stress response has not yet been clarified. Here, we report that a subset of stress-related genes exhibits 3' UTR extensions of their mRNAs during dehydration stress. These extended 3' UTRs have characteristics of long noncoding RNAs and likely do not interact with miRNAs...
May 18, 2017: Genome Research
https://www.readbyqxmd.com/read/28520497/lncrna-pvt1-regulates-chondrocyte-apoptosis-in-osteoarthritis-by-acting-as-a-sponge-for-mir-488-3p
#9
Yufei Li, Shuhua Li, Yatong Luo, Yong Liu, Nanhui Yu
Long noncoding RNAs (lncRNAs) have been known to be involved in multiple diverse diseases, including osteoarthritis (OA). The present study aims at exploring the biological role of lncRNA plasmacytoma variant translocation 1 (PVT1) in OA and the underlying mechanism. Results showed that the expression of PVT1 was upregulated in OA chondrocytes compared with normal chondrocytes, silencing PVT1 inhibited the apoptosis of OA chondrocytes, and overexpression of PVT1 promoted the apoptosis of normal chondrocytes...
May 18, 2017: DNA and Cell Biology
https://www.readbyqxmd.com/read/28519068/long-noncoding-rna-gas5-suppresses-cell-growth-and-epithelial-mesenchymal-transition-in-osteosarcoma-by-regulating-the-mir-221-arhi-pathway
#10
Kaishan Ye, Shuanke Wang, Haihong Zhang, Hua Han, Bing Ma, Wei Nan
Dysregulated long noncoding RNAs (lncRNAs) and microRNAs (miRNAs) play key roles in the development of human cancers. The lncRNA growth arrest-specific 5 (GAS5) is reported to be a tumor suppressor in multiple cancers. However, the roles of GAS5 and its related miRNAs in osteosarcoma are poorly understood. This study explored the potential functions and mechanisms of GAS5 in the tumorigenesis of osteosarcoma. Here, the expression of GAS5, miR-221 and aplasia Ras homologue member I (ARHI) was determined in osteosarcoma tissues and cells by Real-time PCR (RT-qPCR)...
May 18, 2017: Journal of Cellular Biochemistry
https://www.readbyqxmd.com/read/28511883/a-prostate-cancer-nimbosus-genomic-instability-and-schlap1-dysregulation-underpin-aggression-of-intraductal-and-cribriform-subpathologies
#11
Melvin L K Chua, Winnie Lo, Melania Pintilie, Jure Murgic, Emilie Lalonde, Vinayak Bhandari, Osman Mahamud, Anuradha Gopalan, Charlotte F Kweldam, Geert J L H van Leenders, Esther I Verhoef, Agnes Marije Hoogland, Julie Livingstone, Alejandro Berlin, Alan Dal Pra, Alice Meng, Junyan Zhang, Michèle Orain, Valérie Picard, Hélène Hovington, Alain Bergeron, Louis Lacombe, Yves Fradet, Bernard Têtu, Victor E Reuter, Neil Fleshner, Michael Fraser, Paul C Boutros, Theodorus H van der Kwast, Robert G Bristow
BACKGROUND: Intraductal carcinoma (IDC) and cribriform architecture (CA) represent unfavorable subpathologies in localized prostate cancer. We recently showed that IDC shares a clonal ancestry with the adjacent glandular adenocarcinoma. OBJECTIVE: We investigated for the co-occurrence of "aggression" factors, genomic instability and hypoxia, and performed gene expression profiling of these tumors. DESIGN, SETTING, AND PARTICIPANTS: A total of 1325 men were treated for localized prostate cancer from four academic institutions (University Health Network, CHU de Québec-Université Laval, Memorial Sloan Kettering Cancer Center [MSKCC], and Erasmus Medical Center)...
May 13, 2017: European Urology
https://www.readbyqxmd.com/read/28511795/mir-142-5p-regulates-tumor-cell-pd-l1-expression-and-enhances-anti-tumor-immunity
#12
Long Jia, Qing Xi, Huafeng Wang, Zimu Zhang, Hongkun Liu, Yingnan Cheng, Xiangdong Guo, Jieyou Zhang, Qi Zhang, Lijuan Zhang, Zhenyi Xue, Yan Li, Yurong Da, Peng Zhao, Rongxin Zhang
Cancer immunotherapy has many great achievements in recent years. One of the most promising cancer immunotherapies is PD-1/PD-L1 pathway blockade. miRNAs (MicroRNAs) belongs to small noncoding RNA and can regulate gene expression by binding to the 3'UTR. Many miRNAs can inhibit cancer growth by regulating the PD-L1 expression in cancer cells. Herein, we firstly found that PD-L1 could be the target of miR-142-5p by using bioinformatics methods, then we conduct luciferase activity assay, RT-PCR and western blot experiments to demonstrate that miR-142-5p can regulate PD-L1 expression by binding to its 3'UTR...
May 13, 2017: Biochemical and Biophysical Research Communications
https://www.readbyqxmd.com/read/28511643/long-noncoding-rna-expression-profile-in-hle-b-3-cells-during-tgf-%C3%AE-2-induced-epithelial-mesenchymal-transition
#13
Bingyu Zhang, Yang Chen, Meiyuan Qiu, Zhixiang Ding
BACKGROUND: Recent evidence has shown that long noncoding RNAs (lncRNAs) are involved in the process of epithelial-mesenchymal transition (EMT). However, little research has focused on the expression profile of lncRNAs during EMT in human lens epithelial cells (LECs) and their functions have not yet been described. METHODS: Dysregulated lncRNAs and mRNAs in normal human lens epithelial B-3(HLE B-3) cells and during transforming growth factor β2(TGF-β2)-induced EMT were analyzed via lncRNA microarray...
May 16, 2017: BMC Ophthalmology
https://www.readbyqxmd.com/read/28508063/the-long-noncoding-rna-sprightly-acts-as-an-intranuclear-organizing-hub-for-pre-mrna-molecules
#14
Bongyong Lee, Anupama Sahoo, John Marchica, Erwin Holzhauser, Xiaoli Chen, Jian-Liang Li, Tatsuya Seki, Subramaniam Shyamala Govindarajan, Fatu Badiane Markey, Mona Batish, Sonali J Lokhande, Shaojie Zhang, Animesh Ray, Ranjan J Perera
Molecular mechanisms by which long noncoding RNA (lncRNA) molecules may influence cancerous condition are poorly understood. The aberrant expression of SPRIGHTLY lncRNA, encoded within the drosophila gene homolog Sprouty-4 intron, is correlated with a variety of cancers, including human melanomas. We demonstrate by SHAPE-seq and dChIRP that SPRIGHTLY RNA secondary structure has a core pseudoknotted domain. This lncRNA interacts with the intronic regions of six pre-mRNAs: SOX5, SMYD3, SND1, MEOX2, DCTN6, and RASAL2, all of which have cancer-related functions...
May 2017: Science Advances
https://www.readbyqxmd.com/read/28506253/genome-wide-identification-of-lncrnas-associated-with-chlorantraniliprole-resistance-in-diamondback-moth-plutella-xylostella-l
#15
Bin Zhu, Manyu Xu, Haiyan Shi, Xiwu Gao, Pei Liang
BACKGROUND: Long noncoding RNAs (lncRNAs) are now considered important regulatory factors, with a variety of biological functions in many species including insects. Some lncRNAs have the ability to show rapid responses to diverse stimuli or stress factors and are involved in responses to insecticide. However, there are no reports to date on the characterization of lncRNAs associated with chlorantraniliprole resistance in Plutella xylostella. RESULTS: Nine RNA libraries constructed from one susceptible (CHS) and two chlorantraniliprole-resistant P...
May 15, 2017: BMC Genomics
https://www.readbyqxmd.com/read/28505621/gnrha-treatment-of-cryptorchid-boys-affects-genes-involved-in-hormonal-control-of-the-hpg-axis-and-fertility
#16
Faruk Hadziselimovic, Katharina Gegenschatz-Schmid, Gilvydas Verkauskas, Philippe Demougin, Vytautas Bilius, Darius Dasevicius, Michael B Stadler
The gonadotropin-releasing hormone agonist (GnRHa; Buserelin) rescues fertility during adulthood in the majority of high infertility risk cryptorchid boys presenting with defective mini-puberty. However, the molecular events governing this effect are not understood. We report the outcome of an RNA profiling analysis of testicular biopsies from 4 operated patients who were treated with GnRHa for 6 months versus 3 operated controls who were not treated. GnRHa induces a significant transcriptional response, including protein-coding genes involved in pituitary development, the hypothalamic-pituitary-gonadal axis, and testosterone synthesis...
May 16, 2017: Sexual Development: Genetics, Molecular Biology, Evolution, Endocrinology, Embryology, and Pathology of Sex Determination and Differentiation
https://www.readbyqxmd.com/read/28503069/downregulation-of-long-noncoding-rna-tug1-inhibits-proliferation-and-induces-apoptosis-through-the-tug1-mir-142-zeb2-axis-in-bladder-cancer-cells
#17
Qian Liu, Hui Liu, Hepeng Cheng, Yang Li, Xiaodong Li, Chaoyang Zhu
BACKGROUND: Bladder cancer is a common serious disease around the world. Long noncoding RNAs (lncRNAs) have been demonstrated to participate in the development and progression of various cancers, including bladder cancer. The aim of this study was to investigate the effects of lncRNA taurine upregulated gene 1 (TUG1) on proliferation and apoptosis in bladder cancer cell lines and the underlying mechanism. METHODS: The levels of TUG1 were detected by quantitative real time polymerase chain reaction (qRT-PCR) in bladder cancer tissues and cells...
2017: OncoTargets and Therapy
https://www.readbyqxmd.com/read/28502821/sasp-regulation-by-noncoding-rna
#18
REVIEW
Amaresh C Panda, Kotb Abdelmohsen, Myriam Gorospe
Noncoding RNAs (ncRNAs), including micro (mi)RNAs, long noncoding (lnc)RNAs, and circular (circ)RNAs, control specific gene expression programs by regulating transcriptional, post-transcriptional, and post-translational processes. Through their broad influence on protein expression and function, ncRNAs have been implicated in virtually all cellular processes such as proliferation, senescence, quiescence, differentiation, apoptosis, and the stress and immune responses. Senescence is a cellular phenotype associated with the physiologic decline of aging and with age-related pathologies...
May 11, 2017: Mechanisms of Ageing and Development
https://www.readbyqxmd.com/read/28500848/the-long-noncoding-rna-hotair-activates-the-hippo-pathway-by-directly-binding-to-sav1-in-renal-cell-carcinoma
#19
Guanghui Hu, Binbin Dong, Jingwei Zhang, Wei Zhai, Tiancheng Xie, Bisheng Huang, Chi Huang, Xudong Yao, Junhua Zheng, Jianping Che, Yun-Fei Xu
The long noncoding RNA HOTAIR promotes the development and progression of several tumors. Here, the clinical significance and role of HOTAIR in renal cell carcinoma (RCC) tumorigenesis were explored. The results showed that increased expression of HOTAIR predicted a poor prognosis of RCC after surgery. HOTAIR promoted RCC cell proliferation and growth in vitro and in vivo. The expressions of HOTAIR and Salvador homolog 1 (SAV1) were inversely correlated in clinical RCC samples. HOTAIR downregulated SAV1 by directly binding to the SAV1 protein and enhanced histone H3K27 methylation...
April 25, 2017: Oncotarget
https://www.readbyqxmd.com/read/28496335/knockdown-of-a-dis3l2-promoter-upstream-long-noncoding-rna-ac105461-1-enhances-colorectal-cancer-stem-cell-properties-in-vitro-by-down-regulating-dis3l2
#20
Wei Liu, Qiang Yu, Jun Ma, Yong Cheng, Hongbo Zhang, Wengguang Luo, Jie Yao, Hongyan Zhang
A large number of studies have identified plentiful long noncoding RNAs (lncRNAs) associated with the development of multiple cancers. Some lncRNAs have also been found to be strongly linked with stem cell properties such as pluripotency and differentiation. However, only in a few cases have cancer stem cell (CSC)-related lncRNAs been studied. Commonly, the expression and function of lncRNAs are associated with adjacent protein coding transcripts. In the present study, we found an lncRNA (AC105461.1), a promoter upstream transcript of DIS3 mitotic control homolog (Saccharomyces cerevisiae)-like 2 (DIS3L2), may be closely connected with "stem cell-like" properties...
2017: OncoTargets and Therapy
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