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Long noncoding rna

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https://www.readbyqxmd.com/read/28342055/the-analysis-of-lncrna-hotair-rs12826786-c-t-polymorphism-and-gastric-cancer-susceptibility-in-a-turkish-population-lack-of-any-association-in-a-hospital-based-case-control-study
#1
Y Ülger, E Dadaş, B Yalinbaş Kaya, A T Sümbül, A Genç, S Bayram
BACKGROUND: The HOX transcript antisense intergenic RNA (HOTAIR), a well-known long noncoding RNA (lncRNA), has been widely identified to participate in pathogenesis of multiple cancers. An aberrant up-regulation and biological functions have been observed in gastric cancer (GC). A common single nucleotide polymorphism (SNP) (rs12826786 C>T) at the HOTAIR has been reported to influence HOTAIR expression, but its association with GC has yet to be investigated in Turkish population. AIM: The aim of the present study was to investigate whether HOTAIR rs12826786 C>T polymorphism could be involved in the risk of GC susceptibility in Turkish population...
March 24, 2017: Irish Journal of Medical Science
https://www.readbyqxmd.com/read/28341660/the-noncoding-rna-linc-adamts5-cooperates-with-rreb1-to-protect-from-intervertebral-disc-degeneration-through-inhibiting-adamts5-expression
#2
Kun Wang, Yu Song, Wei Liu, Xinghuo Wu, Yukun Zhang, Shuai Li, Liang Kang, Ji Tu, Kangcheng Zhao, Wenbin Hua, Cao Yang
Previous studies have indicated the important roles of ADAMTS5 in intervertebral disc degeneration. However, the mechanisms that regulate ADAMTS5 expression in nuclear pulposus (NP) cells remain largely unknown. Evidence suggests that intergenic transcription may be associated with genes that encode transcriptional regulators. Here, we identified a long intergenic noncoding RNA, linc-ADAMTS5, that was transcribed in the opposite direction of ADAMTS5. In this study, through mining computational algorithm programs, and public available data sets, we identified Ras responsive element binding protein 1 (RREB1) as a crucial transcription factor regulating the expression of ADAMTS5 in NP cells...
March 24, 2017: Clinical Science (1979-)
https://www.readbyqxmd.com/read/28341602/cytosolic-yb-1-and-nsun2-are-the-only-proteins-recognizing-specific-motifs-present-in-mrnas-enriched-in-exosomes
#3
Olga A Kossinova, Alexander V Gopanenko, Svetlana N Tamkovich, Olga A Krasheninina, Alexey E Tupikin, Elena Kiseleva, Darya D Yanshina, Alexey A Malygin, Alia G Ven'yaminova, Marsel R Kabilov, Galina G Karpova
Exosomes, membranous vesicles secreted by various cells, are involved in intercellular communication and carry vast repertoires of RNAs and proteins. Processes mediating RNA sorting into exosomes are currently poorly understood. Using bioinformatics approaches, three structural motifs ACCAGCCU, CAGUGAGC and UAAUCCCA have been discovered as enriched in exosomal mRNAs and long noncoding RNAs. Here, utilizing short RNA hairpins, each containing one of the motifs, in a pull-down assay of cytosolic extract of human embryonic kidney 293 (HEK293) cells, we prove that multifunctional RNA-binding protein YB-1 specifically interacts with all three motifs, whereas methyltransferase NSUN2 recognizes only the motif CAGUGAGC...
March 21, 2017: Biochimica et Biophysica Acta
https://www.readbyqxmd.com/read/28340355/the-human-immunodeficiency-virus-1-asp-rna-promotes-viral-latency-by-recruiting-the-polycomb-repressor-complex-2-and-promoting-nucleosome-assembly
#4
Juan C Zapata, Federica Campilongo, Robert A Barclay, Catherine DeMarino, Maria D Iglesias-Ussel, Fatah Kashanchi, Fabio Romerio
Various epigenetic marks at the HIV-1 5'LTR suppress proviral expression and promote latency. Cellular antisense transcripts known as long noncoding RNAs (lncRNAs) recruit the polycomb repressor complex 2 (PRC2) to gene promoters, which catalyzes trimethylation of lysine 27 on histone H3 (H3K27me3), thus promoting nucleosome assembly and suppressing gene expression. We found that an HIV-1 antisense transcript expressed from the 3'LTR and encoding the antisense protein ASP promotes proviral latency. Expression of ASP RNA reduced HIV-1 replication in Jurkat cells...
March 21, 2017: Virology
https://www.readbyqxmd.com/read/28340181/different-expression-patterns-of-sperm-motility-related-genes-in-testis-of-diploid-and-tetraploid-cyprinid-fish1
#5
Fangzhou Hu, Kang Xu, Yunfan Zhou, Chang Wu, Shi Wang, Jun Xiao, Min Wen, Rurong Zhao, Kaikun Luo, Min Tao, Wei Duan, Shaojun Liu
Sperm motility is an important standard to measure the fertility of male. In our previous study, we found that the diploid spermatozoa from allotetraploid hybrid (4nAT) had longer durations of rapid and slow progressive motility than haploid spermatozoa from common carp (COC). In this study, to explore sperm motility-related molecular mechanisms, we compared the testis tissues transcriptomes from two years old male COC and 4nAT. The RNA-seq data revealed that 2985 genes were differentially expressed between COC and 4nAT, including 2216 up-regulated and 769 down-regulated genes in 4nAT...
March 7, 2017: Biology of Reproduction
https://www.readbyqxmd.com/read/28329687/impact-of-dietary-interventions-on-noncoding-rna-networks-and-mrnas-encoding-chromatin-related-factors
#6
Christopher D Green, Yi Huang, Xiaoyang Dou, Liu Yang, Yong Liu, Jing-Dong J Han
Dietary interventions dramatically affect metabolic disease and lifespan in various aging models. Here, we profiled liver microRNA (miRNA), coding, and long non-coding RNA (lncRNA) expression by high-throughput deep sequencing in mice across multiple energy intake and expenditure interventions. Strikingly, three dietary intervention network design patterns were uncovered: (1) lifespan-extending interventions largely repressed the expression of miRNAs, lncRNAs, and transposable elements; (2) protein-coding mRNAs with expression positively correlated with long lifespan are highly targeted by miRNAs; and (3) miRNA-targeting interactions mainly target chromatin-related functions...
March 21, 2017: Cell Reports
https://www.readbyqxmd.com/read/28328537/long-non-coding-rna-loc100129148-functions-as-an-oncogene-in-human-nasopharyngeal-carcinoma-by-targeting-mir-539-5p
#7
Kai-Yu Sun, Tao Peng, Zhe Chen, Peng Song, Xu-Hong Zhou
Emerging studies have shown that long noncoding RNAs (lncRNAs) play critical roles in carcinogenesis and progression, including human nasopharyngeal carcinoma (NPC). The correlation between lncRNAs expression and NPC development has not been well identified in the recent literature. Recently, high-through put analysis reveals that LOC100129148 is highly expressed in NPC. However, whether the aberrant expression of LOC100129148 in NPC is corrected with tumorigenesis or prognosis has not been investigated. Herein, we identified that LOC100129148 was up-regulated in NPC tissues and cell lines, and higher expression of LOC100129148 resulted in a markedly poorer survival time...
March 21, 2017: Aging
https://www.readbyqxmd.com/read/28327666/hypoxia-induces-h19-expression-through-direct-and-indirect-hif-1%C3%AE-activity-promoting-oncogenic-effects-in-glioblastoma
#8
Weining Wu, Qi Hu, Er Nie, Tianfu Yu, Youzhi Wu, Tongle Zhi, Kuan Jiang, Feng Shen, Yingyi Wang, Junxia Zhang, Yongping You
H19 expression is elevated in many human tumors including glioblastomas, suggesting an oncogenic role for the long noncoding RNA; yet the upregulation of H19 in glioblastomas remains unclear. Here we report that hypoxia significantly stimulated H19 expression in glioblastoma cell lines, which was related to hypoxia-inducible factors 1α (Hif-1α). Hif-1α promoted H19 expression in U87 and U251 cells. Meanwhile PTEN is an advantageous factor to affect H19 expression, through attenuating Hif-1α stability. Hif-1α also positively correlates with H19 in human glioblastoma samples depending on PTEN status...
March 22, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28327194/upregulation-of-the-long-noncoding-rna-uca1-affects-the-proliferation-invasion-and-survival-of-hypopharyngeal-carcinoma
#9
Ye Qian, Dayu Liu, Shengda Cao, Ye Tao, Dongmin Wei, Wenming Li, Guojun Li, Xinliang Pan, Dapeng Lei
BACKGROUND: Several long noncoding RNAs (lncRNAs) are involved in oncogenesis. METHODS AND RESULTS: Our microarray analysis showed that numerous lncRNAs are dysregulated in hypopharyngeal squamous cell carcinoma (HSCC) tumor tissues as compared with normal tissues. Among those lncRNAs, urothelial carcinoma-associated 1 (UCA1) has been found to have an oncogenic role in HSCC. We confirmed the upregulation of UCA1 in HSCC by assessing its expression levels in a cohort of 53 patient tumors and paired non-tumor samples...
March 21, 2017: Molecular Cancer
https://www.readbyqxmd.com/read/28319593/profiles-of-long-noncoding-rnas-in-hypertensive-rats-long-noncoding-rna-xr007793-regulates-cyclic-strain-induced-proliferation-and-migration-of-vascular-smooth-muscle-cells
#10
Qing-Ping Yao, Zhi-Wei Xie, Kai-Xuan Wang, Ping Zhang, Yue Han, Ying-Xin Qi, Zong-Lai Jiang
BACKGROUND: Long noncoding RNAs (lncRNAs) are being discovered in multiple diseases at a rapid pace. However, the contribution of lncRNAs to hypertension remains largely unknown. In hypertension, the vascular walls are exposed to abnormal mechanical cyclic strain, which leads to vascular remodelling. Here, we investigated the mechanobiological role of lncRNAs in hypertension. METHODS AND RESULTS: Differences in the lncRNAs and mRNAs between spontaneously hypertensive rats and Wistar-Kyoto rats were screened using a gene microarray...
March 17, 2017: Journal of Hypertension
https://www.readbyqxmd.com/read/28319097/long-noncoding-rna-lnckdm2b-is-required-for-ilc3-maintenance-by-initiation-of-zfp292-expression
#11
Benyu Liu, Buqing Ye, Liuliu Yang, Xiaoxiao Zhu, Guanling Huang, Pingping Zhu, Ying Du, Jiayi Wu, Xiwen Qin, Runsheng Chen, Yong Tian, Zusen Fan
Innate lymphoid cells (ILCs) communicate with other hematopoietic and nonhematopoietic cells to regulate immunity, inflammation and tissue homeostasis. How ILC lineages develop and are maintained remains largely unknown. In this study we observed that a divergent long noncoding RNA (lncRNA), lncKdm2b, was expressed at high levels in intestinal group 3 ILCs (ILC3s). LncKdm2b deficiency in the hematopoietic system led to reductions in the number and effector functions of ILC3s. LncKdm2b expression sustained the maintenance of ILC3s by promoting their proliferation through activation of the transcription factor Zfp292...
March 20, 2017: Nature Immunology
https://www.readbyqxmd.com/read/28317367/-role-of-small-noncoding-rna-in-the-regulation-of-bacterial-virulence
#12
Wang Lu, Zheng Xin, Wang Shida, Li Jiyao, Xu Xin
In the long-term interaction between pathogens and host, the pathogens regulate the expression of related viru-lence genes to fit the host environment in response to the changes in the host microenvironment. Gene expression was believed to be controlled mainly at the level of transcription initiation by repressors or activators. Recent studies have revealed that small noncoding RNAs (sRNAs) are key regulators in bacterial pathogenesis. sRNA in bacteria is a noncoding RNA with length ranging from 50 to 500 nucleotides...
August 1, 2016: Hua Xi Kou Qiang Yi Xue za Zhi, Huaxi Kouqiang Yixue Zazhi, West China Journal of Stomatology
https://www.readbyqxmd.com/read/28301382/long-noncoding-rna-sponges-mir-454-to-promote-osteogenic-differentiation-in-maxillary-sinus-membrane-stem-cells
#13
Junquan Weng, Wei Peng, Shuangxi Zhu, Songling Chen
OBJECTIVE: Although increasing evidence has shown that long noncoding RNAs (lncRNAs) play an important regulatory role in pluripotency and differentiation of mesenchymal stem cells, little is known about the role of lncRNA in maxillary sinus membrane stem cells (MSMSCs). The goal of this study was to investigate the expression profile and function of lncRNAs on osteogenic differentiation of MSMSCs. MATERIALS AND METHODS: By using lncRNA microarray, we identify a novel osteogenesis differentiation-related lncRNA of MSMSCs (lncRNA-MODR)...
April 2017: Implant Dentistry
https://www.readbyqxmd.com/read/28300839/bidirectional-transcription-of-linc00441-and-rb1-via-h3k27-modification-dependent-way-promotes-hepatocellular-carcinoma
#14
Junwei Tang, Yu Xie, Xiaoliang Xu, Yin Yin, Runqiu Jiang, Lei Deng, Zhongming Tan, Venkatanarayana Gangarapu, Jinhai Tang, Beicheng Sun
The retinoblastoma gene (RB1), a known tumor-suppressor gene (TSG), was decreased in multiple cancers including hepatocellular carcinoma (HCC). Here we focused on the bidirectional transcripted long noncoding RNA (Linc00441) with neighbor gene RB1 to investigate whether Linc00441 is involved in the suppression of RB1 in HCC. We found that aberrant upregulated intranuclear Linc00441 was reversely correlated with RB1 expression in human HCC samples. The gain- and loss-of-function investigation revealed that Linc00441 could promote the proliferation of HCC cells in vitro and in vivo with an apoptosis suppression and cell cycle rearrangement...
March 16, 2017: Cell Death & Disease
https://www.readbyqxmd.com/read/28298384/correction-long-noncoding-rna-gcaspc-a-target-of-mir-17-3p-negatively-regulates-pyruvate-carboxylase-dependent-cell-proliferation-in-gallbladder-cancer
#15
(no author information available yet)
No abstract text is available yet for this article.
March 15, 2017: Cancer Research
https://www.readbyqxmd.com/read/28290771/institutional-profile-pharmacogenomic-research-in-r-stephanie-huang-laboratory
#16
Paul Geeleher, Aritro Nath, Rong Stephanie Huang
The Huang Lab was established in 2009 at the University of Chicago and has since been active in conducting pharmacogenomic research. Our laboratory's main research focus is translational pharmacogenomics with a particular interest in the pharmacogenomics of anticancer agents. By systematically evaluating the human genome and its relationships to drug response and toxicity, our goal is to develop clinically useful models that predict risk for adverse drug reactions and nonresponse prior to administration of chemotherapy...
March 14, 2017: Pharmacogenomics
https://www.readbyqxmd.com/read/28285404/exosomes-mediated-transfer-of-long-noncoding-rna-zfas1-promotes-gastric-cancer-progression
#17
Lei Pan, Wei Liang, Min Fu, Zhen-Hua Huang, Xia Li, Wen Zhang, Peng Zhang, Hui Qian, Peng-Cheng Jiang, Wen-Rong Xu, Xu Zhang
BACKGROUND: ZFAS1 is a newly identified long noncoding RNA (lncRNA) that promotes tumor growth and metastasis. Exosomes mediate cellular communications in cancer by transmitting active molecules. The presence of ZFAS1 in the circulating exosomes and the roles of exosomal ZFAS1 in gastric cancer (GC) remains unknown. The aim of this study was to investigate the potential roles of exosomal ZFAS1 in GC. METHODS: The expression of ZFAS1 was examined in the tumor tissues, serum samples, serum exosomes of GC patients and cell lines using qRT-PCR...
March 11, 2017: Journal of Cancer Research and Clinical Oncology
https://www.readbyqxmd.com/read/28282787/long-non-coding-rna-snhg20-predicts-a-poor-prognosis-for-hcc-and-promotes-cell-invasion-by-regulating-the-epithelial-to-mesenchymal-transition
#18
Jinxia Liu, Cuihua Lu, Mingbing Xiao, Feng Jiang, Lishuai Qu, Runzhou Ni
BACKGROUND: Recently, Accumulating evidence indicates that long noncoding RNAs (lncRNAs) have been shown to have critical regulatory roles in human tumor biology and development. However, the expression pattern and biological function of lncRNA small nucleolar RNA host gene 20 (SNHG20) in hepatocellular carcinoma (HCC) remains largely unknown. METHODS: The expression of SNHG20 in 96 paired HCC tissues and cell lines were detected by quantitative real-time PCR (qRT-PCR) analysis...
March 6, 2017: Biomedicine & Pharmacotherapy, Biomédecine & Pharmacothérapie
https://www.readbyqxmd.com/read/28281841/lncrna-nonratt021972-sirna-normalized-the-dysfunction-of-hepatic-glucokinase-through-akt-signaling-in-t2dm-rats
#19
Miaomiao Song, Lifang Zou, Lichao Peng, Shuangmei Liu, Bing Wu, Zhihua Yi, Yun Gao, Chunping Zhang, Hong Xu, Yurong Xu, Mengxia Tang, Shouyu Wang, Yun Xue, Tianyu Jia, Shanhong Zhao, Shangdong Liang, Guilin Li
Hepatic glucokinase (GK) expression and activity are decreased in type 2 diabetes mellitus (T2DM), and glycogen synthase kinase-3 (GSK-3) inhibits the synthesis of GK. In hepatocytes, the activation of the protein kinase B (PKB/AKT) signaling pathway enhances GK expression and inhibits the phosphorylation of GSK-3β. The dysfunction of certain long noncoding RNAs (lncRNAs) has been associated with a variety of diseases. AIMS: This study explored the effects of the lncRNA NONRATT021972 small interfering RNA (siRNA) on the dysfunction of hepatic GK through AKT signaling in T2DM rats...
March 10, 2017: Endocrine Research
https://www.readbyqxmd.com/read/28281528/lnc-mg-is-a-long-non-coding-rna-that-promotes-myogenesis
#20
Mu Zhu, Jiafan Liu, Jia Xiao, Li Yang, Mingxiang Cai, Hongyu Shen, Xiaojia Chen, Yi Ma, Sumin Hu, Zuolin Wang, An Hong, Yingxian Li, Yao Sun, Xiaogang Wang
Recent studies indicate important roles for long noncoding RNAs (lncRNAs) as essential regulators of myogenesis and adult skeletal muscle regeneration. However, the specific roles of lncRNAs in myogenic differentiation of adult skeletal muscle stem cells and myogenesis are still largely unknown. Here we identify a lncRNA that is specifically enriched in skeletal muscle (myogenesis-associated lncRNA, in short, lnc-mg). In mice, conditional knockout of lnc-mg in skeletal muscle results in muscle atrophy and the loss of muscular endurance during exercise...
March 10, 2017: Nature Communications
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