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Noncoding RNA

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https://www.readbyqxmd.com/read/28351005/nrf-2-driven-long-noncoding-rna-odrul-contributes-to-modulating-silver-nanoparticle-induced-effects-on-erythroid-cells
#1
Ming Gao, Beibei Zhao, Minjun Chen, Yun Liu, Ming Xu, Zhe Wang, Sijin Liu, Chengdong Zhang
The biosafety and biological effects of silver nanoparticles (AgNPs) on human health attract increasing concern. Although considerable studies have been performed to reveal the molecular mechanisms responsible for AgNP-induced effects, the current understanding mainly focuses on oxidative stress-associated signaling pathways activated by Ag particles and/or Ag ions. However, the molecular bases underlying the activation of these stress signaling pathways have not been thoroughly elucidated yet. In the current study, we aimed to shed light on the molecular bases of AgNP-induced effects on erythroid cells from the perspective of long noncoding RNAs...
March 22, 2017: Biomaterials
https://www.readbyqxmd.com/read/28346474/the-microrna-205-5p-is-correlated-to-metastatic-potential-of-21t-series-a-breast-cancer-progression-model
#2
L Stankevicins, A Barat, P Dessen, Y Vassetzky, C V de Moura Gallo
MicroRNA is a class of noncoding RNAs able to base pair with complementary messenger RNA sequences, inhibiting their expression. These regulatory molecules play important roles in key cellular processes including cell proliferation, differentiation and response to DNA damage; changes in miRNA expression are a common feature of human cancers. To gain insights into the mechanisms involved in breast cancer progression we conducted a microRNA global expression analysis on a 21T series of cell lines obtained from the same patient during different stages of breast cancer progression...
2017: PloS One
https://www.readbyqxmd.com/read/28343963/maternally-inherited-stable-intronic-sequence-rna-triggers-a-self-reinforcing-feedback-loop-during-development
#3
Mandy Li-Ian Tay, Jun Wei Pek
Maternally inherited noncoding RNAs (ncRNAs) can regulate zygotic gene expression across generations [1-4]. Recently, many stable intronic sequence RNAs (sisRNAs), which are byproducts of pre-mRNA splicing, were found to be maternally deposited and persist till zygotic transcription in Xenopus and Drosophila [5-7]. In various organisms, sisRNAs can be in linear or circular conformations, and they have been suggested to regulate host gene expression [5-10]. It is unknown whether maternally deposited sisRNAs can regulate zygotic gene expression in the embryos...
March 17, 2017: Current Biology: CB
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
#4
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
#5
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
#6
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
#7
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
#8
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/28336682/molecular-mechanism-of-mrna-repression-in-trans-by-a-proq-dependent-small-rna
#9
Alexandre Smirnov, Chuan Wang, Lisa L Drewry, Jörg Vogel
Research into post-transcriptional control of mRNAs by small noncoding RNAs (sRNAs) in the model bacteria Escherichia coli and Salmonella enterica has mainly focused on sRNAs that associate with the RNA chaperone Hfq. However, the recent discovery of the protein ProQ as a common binding partner that stabilizes a distinct large class of structured sRNAs suggests that additional RNA regulons exist in these organisms. The cellular functions and molecular mechanisms of these new ProQ-dependent sRNAs are largely unknown...
March 23, 2017: EMBO Journal
https://www.readbyqxmd.com/read/28336592/complete-coding-sequence-of-usutu-virus-strain-gracula-religiosa-u1609393-belgium-2016-obtained-from-the-brain-tissue-of-an-infected-captive-common-hill-myna-gracula-religiosa
#10
Steven Van Borm, Bénédicte Lambrecht, Frank Vandenbussche, Mieke Steensels
The complete and annotated coding sequence and partial noncoding sequence of an Usutu virus genome were sequenced from RNA extracted from a clinical brain tissue sample obtained from a common hill myna (Gracula religiosa), demonstrating close homology with Usutu viruses circulating in Europe.
March 23, 2017: Genome Announcements
https://www.readbyqxmd.com/read/28333713/micrornas-and-lipid-metabolism
#11
Binod Aryal, Abhishek K Singh, Noemi Rotllan, Nathan Price, Carlos Fernández-Hernando
PURPOSE OF REVIEW: Work over the past decade has identified the important role of microRNAs (miRNAS) in regulating lipoprotein metabolism and associated disorders including metabolic syndrome, obesity, and atherosclerosis. This review summarizes the most recent findings in the field, highlighting the contribution of miRNAs in controlling LDL-cholesterol (LDL-C) and HDL-cholesterol (HDL-C) metabolism. RECENT FINDINGS: A number of miRNAs have emerged as important regulators of lipid metabolism, including miR-122 and miR-33...
March 22, 2017: Current Opinion in Lipidology
https://www.readbyqxmd.com/read/28331594/the-first-complete-mitogenome-of-the-south-china-deep-sea-giant-isopod-bathynomus-sp-crustacea-isopoda-cirolanidae-allows-insights-into-the-early-mitogenomic-evolution-of-isopods
#12
Yanjun Shen, Qi Kou, Zaixuan Zhong, Xinzheng Li, Lisheng He, Shunping He, Xiaoni Gan
In this study, the complete mitochondrial (mt) genome sequence of the South China deep-sea giant isopod Bathynomus sp. was determined, and this study is the first to explore in detail the mt genome of a deep-sea member of the order Isopoda. This species belongs to the genus Bathynomus, the members of which are saprophagous residents of the deep-sea benthic environment; based on their large size, Bathynomus is included in the "supergiant group" of isopods. The mt genome of Bathynomus sp. is 14,965 bp in length and consists of 13 protein-coding genes, two ribosomal RNA genes, only 18 transfer RNA genes, and a noncoding control region 362 bp in length, which is the smallest control region discovered in Isopoda to date...
March 2017: Ecology and Evolution
https://www.readbyqxmd.com/read/28329687/impact-of-dietary-interventions-on-noncoding-rna-networks-and-mrnas-encoding-chromatin-related-factors
#13
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/28329397/resveratrol-improves-vascular-function-and-mitochondrial-number-but-not-glucose-metabolism-in-older-adults
#14
Rena M Pollack, Nir Barzilai, Valentin Anghel, Ameya S Kulkarni, Aaron Golden, Pilib O'Broin, David A Sinclair, Michael S Bonkowski, Alexander J Coleville, Danielle Powell, Sharon Kim, Ruin Moaddel, Daniel Stein, Kehao Zhang, Meredith Hawkins, Jill P Crandall
Background: Resveratrol, a plant-derived polyphenol, has been reported to improve glucose metabolism and vascular function and to extend life span in animal models, but studies in humans have been inconclusive. Methods: In a randomized, double-blind crossover study, we treated older glucose-intolerant adults (n = 30) with resveratrol (2-3 g/daily) or placebo, each for 6 weeks. A standard mixed-meal test was used to assess insulin sensitivity (Matsuda index) and secretion (C-peptide deconvolution) and vascular function by reactive hyperemia peripheral arterial tonometry...
March 16, 2017: Journals of Gerontology. Series A, Biological Sciences and Medical Sciences
https://www.readbyqxmd.com/read/28328537/long-non-coding-rna-loc100129148-functions-as-an-oncogene-in-human-nasopharyngeal-carcinoma-by-targeting-mir-539-5p
#15
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
#16
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
#17
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/28327113/low-cell-number-single-tube-amplification-sta-of-total-rna-revealed-transcriptome-changes-from-pluripotency-to-endothelium
#18
Yi-Hsuan Lee, Ya-Wen Hsueh, Yao-Hung Peng, Kung-Chao Chang, Kuen-Jer Tsai, H Sunny Sun, Ih-Jen Su, Po-Min Chiang
BACKGROUND: In addition to messenger RNA (mRNA), noncoding RNAs (ncRNAs) are essential components in cellular machineries for translation and splicing. Besides their housekeeping functions, ncRNAs are involved in cell type-specific regulation of translation, mRNA stability, genome structure, and accessibility. To have a comprehensive understanding of the identities and functions of different cell types, a method to comprehensively quantify both mRNA and ncRNA in a sensitive manner is highly desirable...
March 21, 2017: BMC Biology
https://www.readbyqxmd.com/read/28320778/the-epitranscriptome-of-noncoding-rnas-in-cancer
#19
REVIEW
Manel Esteller, Pier Paolo Pandolfi
The activity of RNA is controlled by different types of post-transcriptional modifications, such as the addition of methyl groups and other chemical and structural changes, that have been recently described in human cells by high-throughput sequencing. Herein, we will discuss how the so-called epitranscriptome is disrupted in cancer and what the contribution of its writers, readers, and erasers to the process of cellular transformation is, particularly focusing on the epigenetic modifications of ncRNAs.Significance: Chemical modifications of RNA play a central role in the control of messenger and ncRNA activity and, thus, are tightly regulated in cells...
March 20, 2017: Cancer Discovery
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
#20
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
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