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Expression genomic integration

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https://www.readbyqxmd.com/read/29776391/the-clinical-implications-of-g1-g6-transcriptomic-signature-and-5-gene-score-in-korean-patients-with-hepatocellular-carcinoma
#1
Sung-Min Ahn, Farhan Haq, Inkeun Park, Jean-Charles Nault, Jessica Zucman-Rossi, Eunsil Yu
BACKGROUND: Efforts have been made to classify Hepatocellular Carcinoma (HCC) at surgically curable stages because molecular classification, which is prognostically informative, can accurately identify patients in need of additional early therapeutic interventions. Recently, HCC classification based French studies on the expression of 16 genes and 5 genes were proposed. In 16-gene classification, transcriptomic signatures (G1-G6) were used to classify HCC patients into clinical, genomic and pathway-specific subgroups...
May 18, 2018: BMC Cancer
https://www.readbyqxmd.com/read/29776387/integrative-genomics-approaches-validate-ppyuc11-like-as-candidate-gene-for-the-stony-hard-trait-in-peach-p-persica-l-batsch
#2
Marco Cirilli, Daniela Giovannini, Angelo Ciacciulli, Remo Chiozzotto, Stefano Gattolin, Laura Rossini, Alessandro Liverani, Daniele Bassi
BACKGROUND: Texture is one of the most important fruit quality attributes. In peach, stony hard (SH) is a recessive monogenic trait (hd/hd) that confers exceptionally prolonged firm flesh to fully ripe fruit. Previous studies have shown that the SH mutation affects the fruit ability to synthesize appropriate amounts of indol-3-acetic acid (IAA), which orchestrates the ripening processes through the activation of system 2 ethylene pathway. Allelic variation in a TC microsatellite located within the first intron of PpYUC11-like (a YUCCA-like auxin-biosynthesis gene) has been recently proposed as the causal mutation of the SH phenotype...
May 18, 2018: BMC Plant Biology
https://www.readbyqxmd.com/read/29774630/the-emerging-roles-of-long-non-coding-rna-in-cancer
#3
Anna Sanchez Calle, Yumi Kawamura, Yusuke Yamamoto, Fumitaka Takeshita, Takahiro Ochiya
Since comprehensive analysis of the mammalian genome has revealed that the vast majority of genomic products are transcribed in long non-coding RNAs (lncRNAs), increasing attention has been paid towards these transcripts. The applied next-generation sequencing technologies have provided accumulating evidence of dysregulated lncRNAs in cancer. The implication of this finding may be seen in many forms and at multiple levels. With impacts ranging from integrating chromatin remodeling complexes to regulating transcription and post-transcriptional processes, aberrant expression of lncRNAs may have repercussions in cell proliferation, tumor progression or metastasis...
May 17, 2018: Cancer Science
https://www.readbyqxmd.com/read/29774075/plectin-targeted-liposomes-enhance-the-therapeutic-efficacy-of-a-parp-inhibitor-in-the-treatment-of-ovarian-cancer
#4
Siva Sai Krishna Dasa, Galina Diakova, Ryo Suzuki, Anne M Mills, Michael F Gutknecht, Alexander L Klibanov, Jill K Slack-Davis, Kimberly A Kelly
Advances in genomics and proteomics drive precision medicine by providing actionable genetic alterations and molecularly targeted therapies, respectively. While genomic analysis and medicinal chemistry have advanced patient stratification with treatments tailored to the genetic profile of a patient's tumor, proteomic targeting has the potential to enhance the therapeutic index of drugs like poly(ADP-ribose) polymerase (PARP) inhibitors. PARP inhibitors in breast and ovarian cancer patients with BRCA1/2 mutations have shown promise...
2018: Theranostics
https://www.readbyqxmd.com/read/29773832/distinct-epigenetic-landscapes-underlie-the-pathobiology-of-pancreatic-cancer-subtypes
#5
Gwen Lomberk, Yuna Blum, Rémy Nicolle, Asha Nair, Krutika Satish Gaonkar, Laetitia Marisa, Angela Mathison, Zhifu Sun, Huihuang Yan, Nabila Elarouci, Lucile Armenoult, Mira Ayadi, Tamas Ordog, Jeong-Heon Lee, Gavin Oliver, Eric Klee, Vincent Moutardier, Odile Gayet, Benjamin Bian, Pauline Duconseil, Marine Gilabert, Martin Bigonnet, Stephane Garcia, Olivier Turrini, Jean-Robert Delpero, Marc Giovannini, Philippe Grandval, Mohamed Gasmi, Veronique Secq, Aurélien De Reyniès, Nelson Dusetti, Juan Iovanna, Raul Urrutia
Recent studies have offered ample insight into genome-wide expression patterns to define pancreatic ductal adenocarcinoma (PDAC) subtypes, although there remains a lack of knowledge regarding the underlying epigenomics of PDAC. Here we perform multi-parametric integrative analyses of chromatin immunoprecipitation-sequencing (ChIP-seq) on multiple histone modifications, RNA-sequencing (RNA-seq), and DNA methylation to define epigenomic landscapes for PDAC subtypes, which can predict their relative aggressiveness and survival...
May 17, 2018: Nature Communications
https://www.readbyqxmd.com/read/29770269/ten-years-of-progress-and-promise-of-induced-pluripotent-stem-cells-historical-origins-characteristics-mechanisms-limitations-and-potential-applications
#6
Adekunle Ebenezer Omole, Adegbenro Omotuyi John Fakoya
The discovery of induced pluripotent stem cells (iPSCs) by Shinya Yamanaka in 2006 was heralded as a major breakthrough of the decade in stem cell research. The ability to reprogram human somatic cells to a pluripotent embryonic stem cell-like state through the ectopic expression of a combination of embryonic transcription factors was greeted with great excitement by scientists and bioethicists. The reprogramming technology offers the opportunity to generate patient-specific stem cells for modeling human diseases, drug development and screening, and individualized regenerative cell therapy...
2018: PeerJ
https://www.readbyqxmd.com/read/29770209/cell-specific-cis-natural-antisense-transcripts-cis-nats-in-the-sperm-and-the-pollen-vegetative-cells-of-arabidopsis-thaliana
#7
Peng Qin, Ann E Loraine, Sheila McCormick
Background: cis-NATs ( cis-natural antisense transcripts ) are transcribed from opposite strands of adjacent genes and have been shown to regulate gene expression by generating small RNAs from the overlapping region. cis-NATs are important for plant development and resistance to pathogens and stress. Several genome-wide investigations identified a number of cis-NAT pairs, but these investigations predicted cis-NATS using expression data from bulk samples that included lots of cell types. Some cis-NAT pairs identified from those investigations might not be functional, because both transcripts of cis-NAT pairs need to be co-expressed in the same cell...
2018: F1000Research
https://www.readbyqxmd.com/read/29769539/integrated-analysis-of-hepatic-mrna-and-mirna-profiles-identified-molecular-networks-and-potential-biomarkers-of-nafld
#8
Mingzhe Zhu, Qianlei Wang, Wenjun Zhou, Tao Liu, Lili Yang, Peiyong Zheng, Li Zhang, Guang Ji
To enhance our understanding of molecular mechanisms and mine novel biomarkers of non-alcoholic fatty liver disease (NAFLD), RNA sequencing was performed to gain hepatic expression profiles of mRNAs and miRNAs in NAFLD and normal rats. Using DESeq with thresholds of a two-fold change and a false discovery rate (FDR) less than 0.05, 336 mRNAs and 21 miRNAs were identified as differentially expressed. Among those, 17 miRNAs (e.g., miR-144-3p, miR-99a-3p, miR-200b-3p, miR-200b-5p, miR-200c-3p, etc.) might serve as novel biomarkers of NAFLD...
May 16, 2018: Scientific Reports
https://www.readbyqxmd.com/read/29769349/hiv-1-activation-of-innate-immunity-depends-strongly-on-the-intracellular-level-of-trex1-and-sensing-of-incomplete-reverse-transcription-products
#9
Swati Kumar, James H Morrison, David Dingli, Eric Poeschla
TREX1 has been reported to degrade cytosolic immune-stimulatory DNA, including viral DNA generated during HIV-1 infection, but the dynamic range of its capacity to suppress innate immune stimulation is unknown and its full role in the viral life cycle remains unclear. A main purpose of our study was to determine how the intracellular level of TREX1 affects HIV-1 activation and avoidance of innate immunity. Using stable over-expression and CRISPR-mediated gene disruption, we engineered a range of TREX1 levels in human THP-1 monocytes...
May 16, 2018: Journal of Virology
https://www.readbyqxmd.com/read/29769196/an-in-vivo-screen-identifies-pygo2-as-a-driver-for-metastatic-prostate-cancer
#10
Xin Lu, Xiaolu Pan, Chang-Jiun Wu, Di Zhao, Shan Feng, Yong Zang, Rumi Lee, Sunada Khadka, Samirkumar B Amin, Eun-Jung Jin, Xiaoying Shang, Pingna Deng, Yanting Luo, William R Morgenlander, Jacqueline Weinrich, Xuemin Lu, Shan Jiang, Qing Chang, Nora M Navone, Patricia Troncoso, Ronald A DePinho, Y Alan Wang
Advanced prostate cancer displays conspicuous chromosomal instability and rampant copy number aberrations, yet the identity of functional drivers resident in many amplicons remain elusive. Here, we implemented a functional genomics approach to identify new oncogenes involved in prostate cancer progression. Through integrated analyses of focal amplicons in large prostate cancer genomic and transcriptomic datasets as well as genes upregulated in metastasis, 276 putative oncogenes were enlisted into an in vivo gain-of-function tumorigenesis screen...
May 16, 2018: Cancer Research
https://www.readbyqxmd.com/read/29766028/a-non-integrating-lentiviral-approach-overcomes-cas9-induced-immune-rejection-to-establish-an-immunocompetent-metastatic-renal-cancer-model
#11
Junhui Hu, Shiruyeh Schokrpur, Maani Archang, Kip Hermann, Allison C Sharrow, Prateek Khanna, Jesse Novak, Sabina Signoretti, Rupal S Bhatt, Beatrice S Knudsen, Hua Xu, Lily Wu
The CRISPR-based technology has revolutionized genome editing in recent years. This technique allows for gene knockout and evaluation of function in cell lines in a manner that is far easier and more accessible than anything previously available. Unfortunately, the ability to extend these studies to in vivo syngeneic murine cell line implantation is limited by an immune response against cells transduced to stably express Cas9. In this study, we demonstrate that a non-integrating lentiviral vector approach can overcome this immune rejection and allow for the growth of transduced cells in an immunocompetent host...
June 15, 2018: Molecular Therapy. Methods & Clinical Development
https://www.readbyqxmd.com/read/29765141/polyoma-virus-associated-carcinomas-of-the-urologic-tract-a-clinicopathologic-and-molecular-study
#12
Deepika Sirohi, Charlie Vaske, Zack Sanborn, Steven C Smith, Michelle D Don, Kathryn G Lindsey, Scot Federman, Mahesha Vankalakunti, Jamie Koo, Shikha Bose, Mariza de Peralta-Venturina, Jessica van Ziffle, James P Grenert, Steve Miller, Charles Chiu, Mahul B Amin, Jeffry P Simko, Bradley A Stohr, Daniel J Luthringer
In recent years, there has been increased interest in carcinomas of the urologic tract, that demonstrate association with the polyoma virus BK arising in immunosuppressed individuals, though the nature of this association is uncertain. To begin to understand this phenomenon, we reviewed the clinical, morphological, and immunohistochemical features of 11 carcinomas of the urologic tract, mainly urothelial (N = 9) and collecting duct carcinomas (N = 2), occurring during immunosuppression, and expressing polyoma virus T-antigen by immunohistochemistry...
May 15, 2018: Modern Pathology: An Official Journal of the United States and Canadian Academy of Pathology, Inc
https://www.readbyqxmd.com/read/29765031/comprehensive-epigenetic-landscape-of-rheumatoid-arthritis-fibroblast-like-synoviocytes
#13
Rizi Ai, Teresina Laragione, Deepa Hammaker, David L Boyle, Andre Wildberg, Keisuke Maeshima, Emanuele Palescandolo, Vinod Krishna, David Pocalyko, John W Whitaker, Yuchen Bai, Sunil Nagpal, Kurtis E Bachman, Richard I Ainsworth, Mengchi Wang, Bo Ding, Percio S Gulko, Wei Wang, Gary S Firestein
Epigenetics contributes to the pathogenesis of immune-mediated diseases like rheumatoid arthritis (RA). Here we show the first comprehensive epigenomic characterization of RA fibroblast-like synoviocytes (FLS), including histone modifications (H3K27ac, H3K4me1, H3K4me3, H3K36me3, H3K27me3, and H3K9me3), open chromatin, RNA expression and whole-genome DNA methylation. To address complex multidimensional relationship and reveal epigenetic regulation of RA, we perform integrative analyses using a novel unbiased method to identify genomic regions with similar profiles...
May 15, 2018: Nature Communications
https://www.readbyqxmd.com/read/29764514/integrative-analysis-of-gene-expression-profiles-reveals-specific-signaling-pathways-associated-with-pancreatic-duct-adenocarcinoma
#14
Jun Li, Wenle Tan, Linna Peng, Jialiang Zhang, Xudong Huang, Qionghua Cui, Jian Zheng, Wen Tan, Chen Wu, Dongxin Lin
BACKGROUND: Pancreatic duct adenocarcinoma (PDAC) remains a major health problem because conventional cancer treatments are relatively ineffective against it. Microarray studies have linked many genes to pancreatic cancer, but the available data have not been extensively mined for potential insights into PDAC. This study attempted to identify PDAC-associated genes and signaling pathways based on six microarray-based profiles of gene expression in pancreatic cancer deposited in the gene expression omnibus database...
April 27, 2018: Cancer communications
https://www.readbyqxmd.com/read/29763751/integration-of-summary-data-from-gwas-and-eqtl-studies-identified-novel-causal-bmd-genes-with-functional-predictions
#15
Xiang-He Meng, Xiang-Ding Chen, Jonathan Greenbaum, Qin Zeng, Sheng-Lan You, Hong-Mei Xiao, Li-Jun Tan, Hong-Wen Deng
PURPOSE: Osteoporosis is a common global health problem characterized by low bone mineral density (BMD) and increased risk of fracture. Genome-wide association studies (GWAS) have identified >100 genetic loci associated with BMD. However, the functional genes responsible for most associations remain largely unknown. We conducted an innovative summary statistic data-based Mendelian randomization (SMR) analysis to identify novel causal genes associated with BMD and explored their potential functional significance...
May 12, 2018: Bone
https://www.readbyqxmd.com/read/29762780/an-intersection-network-based-on-combining-snp-co-association-and-rna-co-expression-networks-for-feed-utilization-traits-in-japanese-black-cattle
#16
D Okada, S Endo, H Matsuda, S Ogawa, Y Taniguchi, T Katsuta, T Watanabe, H Iwaisaki
Genome-wide association studies (GWAS) of quantitative traits have detected numerous genetic associations, but they encounter difficulties in pinpointing prominent candidate genes and inferring gene networks. The present study used a systems genetics approach integrating GWAS results with external RNA-expression data to detect candidate gene networks in feed utilization and growth traits of Japanese Black cattle, which are matters of concern. A SNP co-association network was derived from significant correlations between SNPs with effects estimated by GWAS across seven phenotypic traits...
May 12, 2018: Journal of Animal Science
https://www.readbyqxmd.com/read/29761495/changes-in-gene-expression-during-germination-reveal-pea-genotypes-with-either-quiescence-or-escape-mechanisms-of-waterlogging-tolerance
#17
Md Shahin Uz Zaman, Al Imran Malik, William Erskine, Parwinder Kaur
Waterlogging causes germination failure in pea (Pisum sativum L.). Three genotypes (BM-3, NL-2 and Kaspa) contrasting in ability to germinate in waterlogged soil were exposed to different durations of waterlogging. Whole genome RNAseq was employed to capture differentially expressing genes. The ability to germinate in waterlogged soil was associated with testa colour and testa membrane integrity as confirmed by electrical conductivity measurements. Genotypes Kaspa and NL-2 displayed different mechanisms of tolerance...
May 14, 2018: Plant, Cell & Environment
https://www.readbyqxmd.com/read/29761467/using-wormbase-parasite-an-integrated-platform-for-exploring-helminth-genomic-data
#18
Bruce J Bolt, Faye H Rodgers, Myriam Shafie, Paul J Kersey, Matthew Berriman, Kevin L Howe
WormBase ParaSite ( parasite.wormbase.org ) is a comprehensive resource for the genomes of parasitic nematodes and flatworms (helminths). It currently includes genomic data for over 100 helminth species, adding value by way of consistent functional annotation, gene comparative analysis and gene expression analysis. We provide several ways of exploring the data including a choice of genome browsers, genome and gene summary pages, text and sequence searching, a query wizard, bulk downloads, and programmatic interfaces...
2018: Methods in Molecular Biology
https://www.readbyqxmd.com/read/29761464/echinobase-tools-for-echinoderm-genome-analyses
#19
Gregory A Cary, R Andrew Cameron, Veronica F Hinman
The echinoderms are a phylum of invertebrate deuterostome animals that constitute important research models for a number of biological disciplines. EchinoBase ( www.echinobase.org ) is an echinoderm-specific genome database and web information system that provides a platform for the interrogation and exploration of echinoderm genomic data. This chapter outlines the datasets available on EchinoBase; from assembled genomes and genome annotations, to spatial and quantitative expression data, as well as functional genomics datasets...
2018: Methods in Molecular Biology
https://www.readbyqxmd.com/read/29761463/using-zfin-data-types-organization-and-retrieval
#20
Ceri E Van Slyke, Yvonne M Bradford, Douglas G Howe, David S Fashena, Sridhar Ramachandran, Leyla Ruzicka
The Zebrafish Model Organism Database (ZFIN; zfin.org) was established in 1994 as the primary genetic and genomic resource for the zebrafish research community. Some of the earliest records in ZFIN were for people and laboratories. Since that time, services and data types provided by ZFIN have grown considerably. Today, ZFIN provides the official nomenclature for zebrafish genes, mutants, and transgenics and curates many data types including gene expression, phenotypes, Gene Ontology, models of human disease, orthology, knockdown reagents, transgenic constructs, and antibodies...
2018: Methods in Molecular Biology
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