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https://www.readbyqxmd.com/read/28320084/lncrna-meg3-inhibited-osteogenic-differentiation-of-bone-marrow-mesenchymal-stem-cells-from-postmenopausal-osteoporosis-by-targeting-mir-133a-3p
#1
Qiujun Wang, Ying Li, Yuanxia Zhang, Lan Ma, Lin Lin, Jia Meng, Lihong Jiang, Liping Wang, Ping Zhou, Yina Zhang
BACKGROUND AND AIMS: Long non-coding RNA (lncRNA) MEG3 has proven to be an important regulator involved in the pathogenesis and development of various human diseases. However, the functional involvement of MEG3 in postmenopausal osteoporosis (PMOP) and its mechanism is still unclear. METHODS: Bone marrow mesenchymal stem cells (BMSCs) were isolated and cultured from mouse pathologic models and patients with PMOP, respectively. The expression of MEG3 and miR-133a-3p in BMSCs was detected using qRT-PCR...
March 14, 2017: Biomedicine & Pharmacotherapy, Biomédecine & Pharmacothérapie
https://www.readbyqxmd.com/read/28318807/microrna-302d-targets-irf9-to-regulate-the-ifn-induced-gene-expression-in-sle
#2
Siobhán Smith, Thilini Fernando, Pei Wen Wu, Jane Seo, Joan Ní Gabhann, Olga Piskareva, Eoghan McCarthy, Donough Howard, Paul O'Connell, Richard Conway, Phil Gallagher, Eamonn Molloy, Raymond L Stallings, Grainne Kearns, Lindsy Forbess, Mariko Ishimori, Swamy Venuturupalli, Daniel Wallace, Michael Weisman, Caroline A Jefferies
Systemic lupus erythematosus (SLE) is a complex disease targeting multiple organs as a result of overactivation of the type I interferon (IFN) system, a feature currently being targeted by multiple biologic therapies against IFN-α. We have identified an estrogen-regulated microRNA, miR-302d, whose expression is decreased in SLE patient monocytes and identify its target as interferon regulatory factor (IRF)-9, a critical component of the transcriptional complex that regulates expression of interferon-stimulated genes (ISGs)...
March 17, 2017: Journal of Autoimmunity
https://www.readbyqxmd.com/read/28315749/integrated-structural-biology-to-unravel-molecular-mechanisms-of-protein-rna-recognition
#3
REVIEW
Andreas Schlundt, Jan-Niklas Tants, Michael Sattler
Recent advances in RNA sequencing technologies have greatly expanded our knowledge of the RNA landscape in cells, often with spatiotemporal resolution. These techniques identified many new (often non-coding) RNA molecules. Large-scale studies have also discovered novel RNA binding proteins (RBPs), which exhibit single or multiple RNA binding domains (RBDs) for recognition of specific sequence or structured motifs in RNA. Starting from these large-scale approaches it is crucial to unravel the molecular principles of protein-RNA recognition in ribonucleoprotein complexes (RNPs) to understand the underlying mechanisms of gene regulation...
March 15, 2017: Methods: a Companion to Methods in Enzymology
https://www.readbyqxmd.com/read/28315707/combined-administration-of-synthetic-rna-and-a-conventional-vaccine-improves-immune-responses-and-protection-against-foot-and-mouth-disease-virus-in-swine
#4
Belén Borrego, Esther Blanco, Miguel Rodríguez Pulido, Francisco Mateos, Gema Lorenzo, Sabrina Cardillo, Eliana Smitsaart, Francisco Sobrino, Margarita Sáiz
Foot-and-mouth disease virus (FMDV) is the causative agent of a highly contagious disease and a major concern in animal health worldwide. We have previously reported the use of RNA transcripts mimicking structural domains in the non-coding regions of the FMDV RNA as potent type-I interferon (IFN) inducers showing antiviral effect in vivo, as well as their immunomodulatory properties in combination with an FMD vaccine in mice. Here, we describe the enhancing effect of RNA delivery on the immunogenicity and protection induced by a suboptimal dose of a conventional FMD vaccine in pigs...
March 15, 2017: Antiviral Research
https://www.readbyqxmd.com/read/28314872/rt-qpcr-with-chimeric-du-stem-loop-primer-is-efficient-for-the-detection-of-bacterial-small-rnas
#5
Yangfan Wu, Xuejiao Xing, Ting You, Rubing Liang, Jianhua Liu
Small non-coding RNAs are considered be involved in the regulation of multiple cellular processes. Quantitative reverse transcription PCR (RT-qPCR) is widely used in the detection of eukaryotic microRNA, and the stem-loop primers can improve the specificity and efficiency of reverse transcription. However, the loop structure of primers probably influence the next quantitative amplification due to the base stacking and steric hindrance. Here, we designed a chimeric stem-loop primer with a deoxyuracil (dU) base located near the RNA matching part...
March 17, 2017: Applied Microbiology and Biotechnology
https://www.readbyqxmd.com/read/28306719/chromosome-19q13-disruption-alters-expressions-of-cyp2a7-mia-and-mia-rab4b-lncrna-and-contributes-to-fap-like-phenotype-in-apc-mutation-negative-familial-colorectal-cancer-patients
#6
Lai Fun Thean, Yu Hui Wong, Michelle Lo, Carol Loi, Min Hoe Chew, Choong Leong Tang, Peh Yean Cheah
Familial adenomatous polyposis (FAP) is an autosomal-dominantly inherited form of colorectal cancer (CRC) caused by mutation in the adenomatous polyposis coli (APC) gene. Our ability to exhaustively screen for APC mutations identify microsatellite-stable and APC-mutation negative familial CRC patients, enabling us to search for novel genes. We performed genome-wide scan on two affected siblings of one family and 88 ethnicity- and gender-matched healthy controls to identify deletions shared by the siblings. Combined loss of heterozygosity, copy number and allelic-specific copy number analysis uncovered 5 shared deletions...
2017: PloS One
https://www.readbyqxmd.com/read/28306505/identification-of-an-rna-polymerase-iii-regulator-linked-to-disease-associated-protein-aggregation
#7
Olga Sin, Tristan de Jong, Alejandro Mata-Cabana, Michelle Kudron, Mohamad Amr Zaini, Francesco A Aprile, Renée I Seinstra, Esther Stroo, Roméo Willinge Prins, Céline N Martineau, Hai Hui Wang, Wytse Hogewerf, Anne Steinhof, Erich E Wanker, Michele Vendruscolo, Cornelis F Calkhoven, Valerie Reinke, Victor Guryev, Ellen A A Nollen
Protein aggregation is associated with age-related neurodegenerative disorders, such as Alzheimer's and polyglutamine diseases. As a causal relationship between protein aggregation and neurodegeneration remains elusive, understanding the cellular mechanisms regulating protein aggregation will help develop future treatments. To identify such mechanisms, we conducted a forward genetic screen in a C. elegans model of polyglutamine aggregation and identified the protein MOAG-2/LIR-3 as a driver of protein aggregation...
March 16, 2017: Molecular Cell
https://www.readbyqxmd.com/read/28304380/comprehensive-analysis-of-the-cancer-genome-atlas-reveals-a-unique-gene-and-non-coding-rna-signature-of-fibrolamellar-carcinoma
#8
Timothy A Dinh, Eva C M Vitucci, Eliane Wauthier, Rondell P Graham, Wendy A Pitman, Tsunekazu Oikawa, Mengjie Chen, Grace O Silva, Kevin G Greene, Michael S Torbenson, Lola M Reid, Praveen Sethupathy
Fibrolamellar carcinoma (FLC) is a unique liver cancer primarily affecting young adults and characterized by a fusion event between DNAJB1 and PRKACA. By analyzing RNA-sequencing data from The Cancer Genome Atlas (TCGA) for >9,100 tumors across ~30 cancer types, we show that the DNAJB1-PRKACA fusion is specific to FLCs. We demonstrate that FLC tumors (n = 6) exhibit distinct messenger RNA (mRNA) and long intergenic non-coding RNA (lincRNA) profiles compared to hepatocellular carcinoma (n = 263) and cholangiocarcinoma (n = 36), the two most common liver cancers...
March 17, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28304372/micrornas-mir-203-3p-mir-664-3p-and-mir-708-5p-are-associated-with-median-strain-lifespan-in-mice
#9
Benjamin P Lee, Ivana Burić, Anupriya George-Pandeth, Kevin Flurkey, David E Harrison, Rong Yuan, Luanne L Peters, George A Kuchel, David Melzer, Lorna W Harries
MicroRNAs (miRNAs) are small non-coding RNA species that have been shown to have roles in multiple processes that occur in higher eukaryotes. They act by binding to specific sequences in the 3' untranslated region of their target genes and causing the transcripts to be degraded by the RNA-induced silencing complex (RISC). MicroRNAs have previously been reported to demonstrate altered expression in several aging phenotypes such as cellular senescence and age itself. Here, we have measured the expression levels of 521 small regulatory microRNAs (miRNAs) in spleen tissue from young and old animals of 6 mouse strains with different median strain lifespans by quantitative real-time PCR...
March 17, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28303124/identification-and-characterization-of-mirnas-in-response-to-leishmania-donovani-infection-delineation-of-their-roles-in-macrophage-dysfunction
#10
Neeraj Tiwari, Vinod Kumar, Mallikarjuna Rao Gedda, Ashish K Singh, Vijay K Singh, Sreenivas Gannavaram, Surya P Singh, Rakesh K Singh
The outcome of Leishmania infection depends on parasite abilities to evade host immune response and its survival in hostile environment of host macrophages. Despite a wealth of gained crucial information, parasite strategies by which it dampens host macrophage functions remain poorly understood. Micro RNAs (miRNAs) are evolutionarily conserved class of endogenous 22-nucleotide small non-coding RNA gene products, described to participate in the regulation of almost every cellular process investigated so far...
2017: Frontiers in Microbiology
https://www.readbyqxmd.com/read/28298621/silencing-nc886-a-non-coding-rna-induces-apoptosis-of-human-endometrial-cancer-cells-1a-in-vitro
#11
Zhuoying Hu, Hongyu Zhang, Liangdan Tang, Meng Lou, Yanqing Geng
BACKGROUND The role that nc886, a non-coding microRNA, plays in human endometrial cancer is unknown. The present study aimed to describe the functional role of nc886 in human endometrial cancer-1A (HEC-1A) cell line, which may provide another target for human endometrial cancer treatment. MATERIAL AND METHODS The expression levels of nv886 in normal human endometrial tissue and the early phase and late phase of human endometrial cancer tissues were determined and compared by fluorescence in situ hybridization (FISH)...
March 16, 2017: Medical Science Monitor: International Medical Journal of Experimental and Clinical Research
https://www.readbyqxmd.com/read/28298075/inducing-cell-proliferative-prevention-in-human-acute-promyelocytic-leukemia-by-mir-182-inhibition-through-modulation-of-casp9-expression
#12
Mahdi Fasihi-Ramandi, Abbas Moridnia, Ali Najafi, Mohammadreza Sharifi
MicroRNAs (miRNAs) are one class of endogenous non-coding RNAs that involved in post-transcriptional regulation of the gene. MiRNAs through interaction with messenger RNA (mRNA) involved in several biological processes such as cell cycle, differentiation, growth, metabolism, aging and apoptosis. MiRNAs may act as an oncogene or a tumor suppressor via up or down regulation in cancerous cells. MiR-182 located in a miR-183/-96/-182 cluster, this is the highly conserved cluster to have an important role in cancer development and tumorigenesis...
March 11, 2017: Biomedicine & Pharmacotherapy, Biomédecine & Pharmacothérapie
https://www.readbyqxmd.com/read/28296624/dusp11-an-rna-phosphatase-that-regulates-host-and-viral-non-coding-rnas-in-mammalian-cells
#13
James M Burke, Christopher S Sullivan
Dual-specificity phosphatase 11 (DUSP11) is a conserved protein tyrosine phosphatase (PTP) in metazoans. The cellular substrates and physiological activities of DUSP11 remain largely unknown. In nematodes, DUSP11 is required for normal development and RNA interference against endogenous RNAs (endo-RNAi) via molecular mechanisms that are not well understood. However, mammals lack analogous endo-RNAi pathways and consequently, a role for DUSP11 in mammalian RNA silencing was unanticipated. Recent work from our lab demonstrated that DUSP11 activity alters the silencing potential of noncanonical viral miRNAs in mammalian cells...
March 15, 2017: RNA Biology
https://www.readbyqxmd.com/read/28296577/genome-wide-identification-and-characterization-of-small-rnas-in-rhodobacter-capsulatus-and-identification-of-small-rnas-affected-by-loss-of-the-response-regulator-ctra
#14
Marc P Grüll, Lourdes Peña-Castillo, Martin E Mulligan, Andrew S Lang
Small non-coding RNAs (sRNAs) are involved in the control of numerous cellular processes through various regulatory mechanisms, and in the past decade many studies have identified sRNAs in a multitude of bacterial species using RNA sequencing (RNA-seq). Here, we present the first genome-wide analysis of sRNA sequencing data in Rhodobacter capsulatus, a purple nonsulfur photosynthetic alphaproteobacterium. Using a recently developed bioinformatics approach, sRNA-Detect, we detected 422 putative sRNAs from R...
March 15, 2017: RNA Biology
https://www.readbyqxmd.com/read/28296001/circulating-long-non-coding-rnas-nron-and-mhrt-as-novel-predictive-biomarkers-of-heart-failure
#15
Lina Xuan, Lihua Sun, Ying Zhang, Yuechao Huang, Yan Hou, Qingqi Li, Ying Guo, Bingbing Feng, Lina Cui, Xiaoxue Wang, Zhiguo Wang, Ye Tian, Bo Yu, Shu Wang, Chaoqian Xu, Mingyu Zhang, Zhimin Du, Yanjie Lu, Bao Feng Yang
This study sought to evaluate the potential of circulating long non-coding RNAs (lncRNAs) as biomarkers for heart failure (HF). We measured the circulating levels of 13 individual lncRNAs which are known to be relevant to cardiovascular disease in the plasma samples from 72 HF patients and 60 non-HF control participants using real-time reverse transcription-polymerase chain reaction (real-time RT-PCR) methods. We found that out of the 13 lncRNAs tested, non-coding repressor of NFAT (NRON) and myosin heavy-chain-associated RNA transcripts (MHRT) had significantly higher plasma levels in HF than in non-HF subjects: 3...
March 14, 2017: Journal of Cellular and Molecular Medicine
https://www.readbyqxmd.com/read/28295592/knockdown-of-long-non-coding-rna-zfas1-protects-cardiomyocytes-against-acute-myocardial-infarction-via-anti-apoptosis-by-regulating-mir-150-crp
#16
Tao Wu, Dan Wu, Qinghua Wu, Bing Zou, Xiao Huang, Xiaoshu Cheng, Yanqing Wu, Kui Hong, Ping Li, Renqiang Yang, Yunde Li, Yingzhang Cheng
BACKGROUND: ZFAS1 is one of cardiac-specific or cardiac-related lncRNAs. This study was to explore the functional involvement of ZFAS1 and its regulatory role in AMI. METHODS: In this study, the models of AMI rat and myocardial cell cultured under hypoxia were made. The expression of ZFAS1 and miR-150 of myocardial infarction tissue or cardiac myocytes was determined by quantitative real time PCR. The regulatory role of ZFAS1 on miR-150 was examined by RNA pull down assay...
March 10, 2017: Journal of Cellular Biochemistry
https://www.readbyqxmd.com/read/28295543/lncrna-xist-promotes-pancreatic-cancer-proliferation-through-mir-133a-egfr
#17
Wei Wei, Yu Liu, Yebin Lu, Bo Yang, Ling Tang
According to recent studies, long non-coding RNA X-inactive specific transcript (XIST) is involved in the development and progression of many malignant tumors including pancreatic cancer. We validated the detailed role of XIST in human pancreatic cancer (PC) cell lines and PC tissues so as to determine its exact function and the mechanism by which it affected PC proliferation. In our research, lncRNA-XIST was specifically upregulated in PC tissues and cell lines, and high XIST expression in PC was related to poorer prognosis (larger tumor size, perineural invasion, lymph node micrometastases and shorter overall survival)...
March 11, 2017: Journal of Cellular Biochemistry
https://www.readbyqxmd.com/read/28295289/long-non-coding-rna-neat1-is-a-transcriptional-target-of-p53-and-modulates-p53-induced-transactivation-and-tumor-suppressor-function
#18
Masashi Idogawa, Tomoko Ohashi, Yasushi Sasaki, Hiroshi Nakase, Takashi Tokino
p53 is one of the most important tumor suppressor genes and the direct transcriptional targets of p53 must be explored to elucidate its functional mechanisms. Thus far, the p53 targets that have been primarily studied are protein-coding genes. Our previous study revealed that several long non-coding RNAs (lncRNAs) are direct transcriptional targets of p53, and knockdown of specific lncRNAs modulates p53-induced apoptosis. In this study, analysis of next-generation chromatin immunoprecipitation-sequencing (ChIP-seq) data for p53 revealed that the lncRNA NEAT1 is a direct transcriptional target of p53...
March 14, 2017: International Journal of Cancer. Journal International du Cancer
https://www.readbyqxmd.com/read/28294076/microrna-biogenesis-in-hypoxia
#19
Veronika Bandara, Michael Zenon Michael, Jonathan Mark Gleadle
MicroRNAs (miRNAs) are 17-22 nucleotide, non-coding, single stranded RNA molecules that play a key role in post-transcriptional gene regulation. Hypoxia is a reduction in the normal level of tissue oxygen (O2) tension, and is a feature of chronic vascular disease, pulmonary disease and many cancers. Tissue hypoxia can have widespread effects on cellular functions, as O2 availability is critical for many cellular processes. Cells respond to changes in O2 tension through multiple molecular and cellular mechanisms, including changes in gene expression through transcriptional and translational mechanisms...
March 13, 2017: MicroRNA
https://www.readbyqxmd.com/read/28293170/an-insight-into-the-increasing-role-of-lncrnas-in-the-pathogenesis-of-gliomas
#20
REVIEW
Yuanliang Yan, Zhijie Xu, Zhi Li, Lunquan Sun, Zhicheng Gong
Long non-coding RNAs (LncRNAs) are essential epigenetic regulators with critical roles in tumor initiation and malignant progression. However, the roles and mechanisms of aberrantly expressed lncRNAs in the pathogenesis of gliomas are not fully understood. With the development of deep sequencing analyses, an extensive amount of functional non-coding RNAs has been discovered in glioma tissues and cell lines. Additionally, the contributions of several lncRNAs, such as Hox transcript antisense intergenic RNA, H19 and Colorectal neoplasia differentially expressed, previously reported to be involved in other pathogenesis and processes to the oncogenesis of glioblastoma are currently addressed...
2017: Frontiers in Molecular Neuroscience
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