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https://www.readbyqxmd.com/read/28239824/long-non-coding-rna-cche1-overexpression-predicts-a-poor-prognosis-for-cervical-cancer
#1
Y Chen, C-X Wang, X-X Sun, C Wang, T-F Liu, D-J Wang
OBJECTIVE: Our study is intended to explore the correlation of long non-coding RNA CCHE1 (CCHE1) and clinicopathological factors of cervical cancer patients, and evaluate the impact of CCHE1 on the prognosis of cervical cancer. PATIENTS AND METHODS: The CCHE1 expression in cervical cancer tissues was examined by quantitative Real-time PCR (qRT-PCR) and its correlation with clinicopathological features was also analyzed. A Kaplan-Meier survival curve was generated following a log-rank test...
February 2017: European Review for Medical and Pharmacological Sciences
https://www.readbyqxmd.com/read/28239821/analysis-of-circulating-long-non-coding-rna-uca1-as-potential-biomarkers-for-diagnosis-and-prognosis-of-osteosarcoma
#2
J-J Wen, Y-D Ma, G-S Yang, G-M Wang
OBJECTIVE: The aim of this investigation was to examine the potential usefulness of long non-coding RNA UCA1 (UCA1) as a biomarker for diagnosis and prognosis in osteosarcoma. PATIENTS AND METHODS: The expression level of UCA1 was determined using TaqMan real-time PCR in human osteosarcoma tissues and patients' sera. Next, we investigated to clarify the relationship of UCA1 with clinicopathological features. The receiver operating characteristic (ROC) curve was performed to estimate the diagnostic value of UCA1...
February 2017: European Review for Medical and Pharmacological Sciences
https://www.readbyqxmd.com/read/28239820/long-non-coding-rna-neat1-acts-as-oncogene-in-nsclc-by-regulating-the-wnt-signaling-pathway
#3
S-J Sun, Q Lin, J-X Ma, W-W Shi, B Yang, F Li
OBJECTIVE: The present study aimed to explore the role of long non-coding RNA NEAT1 (NEAT1) in mediating non-small cell lung cancer (NSCLC) cell migration and invasion, as well as the underlying regulatory mechanisms. PATIENTS AND METHODS: The NEAT1 expression in NSCLC tissues and cell lines was measured using reverse transcription‑quantitative polymerase chain reaction (RT-qPCR). The relationships between NEAT1 expression and clinicopathological parameters were examined by chi-square test...
February 2017: European Review for Medical and Pharmacological Sciences
https://www.readbyqxmd.com/read/28239816/long-non-coding-rna-carlo-5-upregulation-associates-with-poor-prognosis-in-patients-suffering-gastric-cancer
#4
J-N Liu, Y-M Shangguan
OBJECTIVE: Accumulating evidence has demonstrated that microRNAs (miRNAs) play critical roles in cancer initiation and development. The present study aims to explore the clinical significance of long noncoding RNA CARLo-5 (CARLo-5) in gastric cancer. PATIENTS AND METHODS: CARLo-5 expression in normal gastric tissue, gastric cancer were quantified by Quantitative reverse transcription PCR. The relationship between CARLo-5 expression and the clinical features of gastric cancer was assessed...
February 2017: European Review for Medical and Pharmacological Sciences
https://www.readbyqxmd.com/read/28239157/non-coding-rna-exosomal-micrornas-as-novel-adipokines
#5
Claire Greenhill
No abstract text is available yet for this article.
February 27, 2017: Nature Reviews. Genetics
https://www.readbyqxmd.com/read/28237418/micrornas-in-lung-development-and-disease
#6
REVIEW
Dustin Ameis, Naghmeh Khoshgoo, Barbara M Iwasiow, Phillip Snarr, Richard Keijzer
MicroRNAs (miRNAs) are small (∼22 nucleotides), non-coding RNA molecules that regulate gene expression post-transcriptionally by inhibiting target mRNAs. Research into the roles of miRNAs in lung development and disease is at the early stages. In this review, we discuss the role of miRNAs in pediatric respiratory disease, including cystic fibrosis, asthma, and bronchopulmonary dysplasia.
December 14, 2016: Paediatric Respiratory Reviews
https://www.readbyqxmd.com/read/28236732/x-chromosome-inactivation-silencing-topology-and-reactivation
#7
REVIEW
Teresa Robert Finestra, Joost Gribnau
To ensure X-linked gene dosage compensation between females (XX) and males (XY), one X chromosome undergoes X chromosome inactivation (XCI) in female cells. This process is tightly regulated throughout development by many different factors, with Xist as a key regulator, encoding a long non-coding RNA, involved in establishment of several layers of repressive epigenetic modifications. Several recent studies on XCI focusing on identification and characterization of Xist RNA-protein interactors, revealed new factors involved in gene silencing, genome topology and nuclear membrane attachment, amongst others...
February 21, 2017: Current Opinion in Cell Biology
https://www.readbyqxmd.com/read/28235841/non-coding-y-rnas-associate-with-early-replicating-euchromatin-concordantly-with-the-origin-recognition-complex-orc
#8
Eyemen G A Kheir, Torsten Krude
Non-coding Y RNAs are essential for the initiation of chromosomal DNA replication in vertebrates, yet their association with chromatin during the cell cycle is not characterised. Here, we quantify human Y RNA levels in soluble and chromatin-associated intracellular fractions and investigate topographically their dynamic association with chromatin during the cell cycle. We find that, on average, about a million Y RNA molecules are present in the soluble fraction of a proliferating cell, and 5-10-fold less in association with chromatin...
February 24, 2017: Journal of Cell Science
https://www.readbyqxmd.com/read/28235420/altered-expression-profiles-of-microrna-families-during-de-etiolation-of-maize-and-rice-leaves
#9
Jiajia Xu, Yuanyuan Li, Yaling Wang, Xinyu Liu, Xin-Guang Zhu
BACKGROUND: MicroRNAs (miRNAs) are highly conserved small non-coding RNAs that play important regulatory roles in plants. Although many miRNA families are sequentially and functionally conserved across plant kingdoms (Dezulian et al. in Genome Biol 13, 2005), they still differ in many aspects such as family size, average length, genomic loci etc. (Unver et al. in Int J Plant Genomics, 2009). RESULTS: In this study, we investigated changes of miRNA expression profiles during greening process of etiolated seedlings of Oryza sativa (C3) and Zea mays (C4) to explore conserved and species-specific characteristics of miRNAs between these two species...
February 24, 2017: BMC Research Notes
https://www.readbyqxmd.com/read/28230721/the-interplay-of-lncrna-h19-and-its-binding-partners-in-physiological-process-and-gastric-carcinogenesis
#10
REVIEW
Li Zhang, Yuhang Zhou, Tingting Huang, Alfred S L Cheng, Jun Yu, Wei Kang, Ka Fai To
Long non-coding RNA (lncRNA), a novel and effective modulator in carcinogenesis, has become a study hotspot in recent years. The imprinted oncofetal lncRNA H19 is one of the first identified imprinted lncRNAs with a high expression level in embryogenesis but is barely detectable in most tissues after birth. Aberrant alterations of H19 expression have been demonstrated in various tumors, including gastric cancer (GC), implicating a crucial role of H19 in cancer progression. As one of the top malignancies in the world, GC has already become a serious concern to public health with poor prognosis...
February 20, 2017: International Journal of Molecular Sciences
https://www.readbyqxmd.com/read/28230005/current-mechanism-of-acquired-resistance-to-epidermal-growth-factor-receptor-tyrosine-kinase-inhibitors-and-updated-therapy-strategies-in-human-nonsmall-cell-lung-cancer
#11
REVIEW
Kaixian Zhang, Qianqian Yuan
Lung cancer continues to be a major health problem and the most common cancer-related mortality worldwide with about 80%-85% patients suffering from nonsmall cell lung cancer (NSCLC). More than 80% of NSCLC cases are often diagnosed as advanced stage and harbor epidermal growth factor receptor (EGFR) activating mutation. Although great success in initial response to EGFR-tyrosine kinase inhibitors (EGFR-TKIs) are found in EGFR-mutant NSCLC patients, acquired resistance usually occurs on the continuous treatment...
December 2016: Journal of Cancer Research and Therapeutics
https://www.readbyqxmd.com/read/28229969/microrna-144-inhibits-hepatocellular-carcinoma-cell-proliferation-invasion-and-migration-by-targeting-zfx
#12
Hongbin Bao, Xinguo Li, Hengli Li, Hongli Xing, Binghui Xu, Xianfeng Zhang, Zhaoming Liu
MicroRNA 144 (miR-144), a small non-coding RNA, is frequently dysregulated in human several tumour progression, but its role and the underlying mechanisms in hepatocellular carcinoma (HCC) is poorly investigated. In the present study, the expression of miR-144 was firstly analysed in datasets derived from GSE21362 and TCGA, and then detected in HCC tissues and cell lines by quantitative RT-PCR (qRT-PCR) analysis. MiR-144 was shown to be significantly down-regulated in HCC tissues and cell lines. Subsequently, overexpression of miR-144 was transfected into HCC cell lines so as to investigate its biological function, including MTT, colony formation, and transwell assays...
March 2017: Journal of Biosciences
https://www.readbyqxmd.com/read/28228264/lsd1-controls-timely-myod-expression-via-myod-core-enhancer-transcription
#13
Isabella Scionti, Shinichiro Hayashi, Sandrine Mouradian, Emmanuelle Girard, Joana Esteves de Lima, Véronique Morel, Thomas Simonet, Maud Wurmser, Pascal Maire, Katia Ancelin, Eric Metzger, Roland Schüle, Evelyne Goillot, Frederic Relaix, Laurent Schaeffer
MyoD is a master regulator of myogenesis. Chromatin modifications required to trigger MyoD expression are still poorly described. Here, we demonstrate that the histone demethylase LSD1/KDM1a is recruited on the MyoD core enhancer upon muscle differentiation. Depletion of Lsd1 in myoblasts precludes the removal of H3K9 methylation and the recruitment of RNA polymerase II on the core enhancer, thereby preventing transcription of the non-coding enhancer RNA required for MyoD expression (CEeRNA). Consistently, Lsd1 conditional inactivation in muscle progenitor cells during embryogenesis prevented transcription of the CEeRNA and delayed MyoD expression...
February 21, 2017: Cell Reports
https://www.readbyqxmd.com/read/28228215/hnrnpk-regulated-ptov1-as1-modulates-heme-oxygenase-1-expression-via-mir-1207-5p
#14
Chang Hoon Shin, Seongho Ryu, Hyeon Ho Kim
Antisense transcripts were initially identified as transcriptional noise, but have since been reported to play an important role in the quality control of miRNA functions. In this report, we tested the hypothesis that hnRNPK regulates miRNA function via competitive endogenous RNAs, such as pseudogenes, long non-coding RNAs, and antisense transcripts. Based on analyses of RNA sequencing data, the knockdown of hnRNPK decreased antisense PTOV1-AS1 transcript, which harbors five binding sites for miR-1207-5p. We identified heme oxygenase-1 (HO-1) mRNA as a novel target of miR-1207-5p by western blotting and Ago2 immunoprecipitation...
February 23, 2017: BMB Reports
https://www.readbyqxmd.com/read/28228067/epigenetic-characteristics-of-the-mitotic-chromosome-in-1d-and-3d
#15
Marlies E Oomen, Job Dekker
While chromatin characteristics in interphase are widely studied, characteristics of mitotic chromatin and their inheritance through mitosis are still poorly understood. During mitosis, chromatin undergoes dramatic changes: transcription stalls, chromatin-binding factors leave the chromatin, histone modifications change and chromatin becomes highly condensed. Many key insights into mitotic chromosome state and conformation have come from extensive microscopy studies over the last century. Over the last decade, the development of 3C-based techniques has enabled the study of higher order chromosome organization during mitosis in a genome-wide manner...
April 2017: Critical Reviews in Biochemistry and Molecular Biology
https://www.readbyqxmd.com/read/28225893/lncrna-snhg12-promotes-cell-growth-and-inhibits-cell-apoptosis-in-colorectal-cancer-cells
#16
J Z Wang, C L Xu, H Wu, S J Shen
Several long non-coding RNA (lncRNA) might be correlated with the prognosis of colorectal cancer (CRC) and serve as a diagnostic and prognostic biomarker. However, the exact expression pattern of small nucleolar RNA host gene 12 (SNHG12) in colorectal cancer and its clinical significance remains unclear. The level of SNHG12 was detected by qRT-PCR in CRC tissues and CRC cells. MTT assay and colony formation assay were performed to examine the cell proliferation of CRC cells transfected with pcDNA-SNHG12 or si-SNHG12...
February 20, 2017: Brazilian Journal of Medical and Biological Research, Revista Brasileira de Pesquisas Médicas e Biológicas
https://www.readbyqxmd.com/read/28225779/combined-small-rna-and-degradome-sequencing-reveals-complex-microrna-regulation-of-catechin-biosynthesis-in-tea-camellia-sinensis
#17
Ping Sun, Chunzhen Cheng, Yuling Lin, Qiufang Zhu, Jinke Lin, Zhongxiong Lai
MicroRNAs are endogenous non-coding small RNAs playing crucial regulatory roles in plants. Tea, a globally popular non-alcoholic drink, is rich in health-enhancing catechins. In this study, 69 conserved and 47 novel miRNAs targeting 644 genes were identified by high-throughout sequencing. Predicted target genes of miRNAs were mainly involved in plant growth, signal transduction, morphogenesis and defense. To further identify targets of tea miRNAs, degradome sequencing and RNA ligase-mediated rapid amplification of 5'cDNA ends (RLM-RACE) were applied...
2017: PloS One
https://www.readbyqxmd.com/read/28225006/altered-enhancer-transcription-underlies-huntington-s-disease-striatal-transcriptional-signature
#18
Stéphanie Le Gras, Céline Keime, Anne Anthony, Caroline Lotz, Lucie De Longprez, Emmanuel Brouillet, Jean-Christophe Cassel, Anne-Laurence Boutillier, Karine Merienne
Epigenetic and transcriptional alterations are both implicated in Huntington's disease (HD), a progressive neurodegenerative disease resulting in degeneration of striatal neurons in the brain. However, how impaired epigenetic regulation leads to transcriptional dysregulation in HD is unclear. Here, we investigated enhancer RNAs (eRNAs), a class of long non-coding RNAs transcribed from active enhancers. We found that eRNAs are expressed from many enhancers of mouse striatum and showed that a subset of those eRNAs are deregulated in HD vs control mouse striatum...
February 22, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28224923/high-throughput-sequencing-reveals-modulation-of-micrornas-in-vigna-mungo-upon-mungbean-yellow-mosaic-india-virus-inoculation-highlighting-stress-regulation
#19
Anirban Kundu, Sujay Paul, Avishek Dey, Amita Pal
MicroRNAs (miRNAs) are 20-24 nucleotides long non-coding RNAs known to play important regulatory roles during biotic and abiotic stresses by controlling gene expression. Blackgram (Vigna mungo), an economically important grain legume is highly susceptible to pathogenic begomovirus Mungbean Yellow Mosaic India Virus (MYMIV) and resulting in high yield loss. In this study two different leaf-small-RNA libraries were prepared from the pooled RNA at three different time points of resistant V. mungo inbred line VM84 inoculated either with viruliferous or non-viruliferous whiteflies carrying MYMIV and performed high-throughput Illumina sequencing...
April 2017: Plant Science: An International Journal of Experimental Plant Biology
https://www.readbyqxmd.com/read/28224117/perc-manipulates-metabolism-and-surface-antigens-in-enteropathogenic-escherichia-coli
#20
Jay L Mellies, Amy Platenkamp, Jossef Osborn, Lily Ben-Avi
Enteropathogenic Escherichia coli is an important cause of profuse, watery diarrhea in infants living in developing regions of the world. Typical strains of EPEC (tEPEC) possess a virulence plasmid, while related clinical isolates that lack the pEAF plasmid are termed atypical EPEC (aEPEC). tEPEC and aEPEC tend to cause acute vs. more chronic type infections, respectively. The pEAF plasmid encodes an attachment factor as well as a regulatory operon, perABC. PerC, a poorly understood regulator, was previously shown to regulate expression of the type III secretion system through Ler...
2017: Frontiers in Cellular and Infection Microbiology
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