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Genetic Analysis of Retinopathy in Type 1 Diabetes
Genetic Analysis of Retinopathy in Type 1 Diabetes by Sayed Mohsen Hosseini A thesis submitted in conformity with the requirements for the degree of Doctor of Philosophy Institute of Medical Science University of Toronto © Copyright by S. Mohsen Hosseini 2014 Genetic Analysis of Retinopathy in Type 1 Diabetes Sayed Mohsen Hosseini Doctor of Philosophy Institute of Medical Science University of Toronto 2014 Abstract Diabetic retinopathy (DR) is a leading cause of blindness worldwide. Several lines of evidence suggest a genetic contribution to the risk of DR; however, no genetic variant has shown convincing association with DR in genome-wide association studies (GWAS). To identify common polymorphisms associated with DR, meta-GWAS were performed in three type 1 diabetes cohorts of White subjects: Diabetes Complications and Control Trial (DCCT, n=1304), Wisconsin Epidemiologic Study of Diabetic Retinopathy (WESDR, n=603) and Renin-Angiotensin System Study (RASS, n=239). Severe (SDR) and mild (MDR) retinopathy outcomes were defined based on repeated fundus photographs in each study graded for retinopathy severity on the Early Treatment Diabetic Retinopathy Study (ETDRS) scale. Multivariable models accounted for glycemia (measured by A1C), diabetes duration and other relevant covariates in the association analyses of additive genotypes with SDR and MDR. Fixed-effects meta- analysis was used to combine the results of GWAS performed separately in WESDR, ii RASS and subgroups of DCCT, defined by cohort and treatment group. Top association signals were prioritized for replication, based on previous supporting knowledge from the literature, followed by replication in three independent white T1D studies: Genesis-GeneDiab (n=502), Steno (n=936) and FinnDiane (n=2194). -
Whole-Genome Microarray Detects Deletions and Loss of Heterozygosity of Chromosome 3 Occurring Exclusively in Metastasizing Uveal Melanoma
Anatomy and Pathology Whole-Genome Microarray Detects Deletions and Loss of Heterozygosity of Chromosome 3 Occurring Exclusively in Metastasizing Uveal Melanoma Sarah L. Lake,1 Sarah E. Coupland,1 Azzam F. G. Taktak,2 and Bertil E. Damato3 PURPOSE. To detect deletions and loss of heterozygosity of disease is fatal in 92% of patients within 2 years of diagnosis. chromosome 3 in a rare subset of fatal, disomy 3 uveal mela- Clinical and histopathologic risk factors for UM metastasis noma (UM), undetectable by fluorescence in situ hybridization include large basal tumor diameter (LBD), ciliary body involve- (FISH). ment, epithelioid cytomorphology, extracellular matrix peri- ϩ ETHODS odic acid-Schiff-positive (PAS ) loops, and high mitotic M . Multiplex ligation-dependent probe amplification 3,4 5 (MLPA) with the P027 UM assay was performed on formalin- count. Prescher et al. showed that a nonrandom genetic fixed, paraffin-embedded (FFPE) whole tumor sections from 19 change, monosomy 3, correlates strongly with metastatic death, and the correlation has since been confirmed by several disomy 3 metastasizing UMs. Whole-genome microarray analy- 3,6–10 ses using a single-nucleotide polymorphism microarray (aSNP) groups. Consequently, fluorescence in situ hybridization were performed on frozen tissue samples from four fatal dis- (FISH) detection of chromosome 3 using a centromeric probe omy 3 metastasizing UMs and three disomy 3 tumors with Ͼ5 became routine practice for UM prognostication; however, 5% years’ metastasis-free survival. to 20% of disomy 3 UM patients unexpectedly develop metas- tases.11 Attempts have therefore been made to identify the RESULTS. Two metastasizing UMs that had been classified as minimal region(s) of deletion on chromosome 3.12–15 Despite disomy 3 by FISH analysis of a small tumor sample were found these studies, little progress has been made in defining the key on MLPA analysis to show monosomy 3. -
Supplemental Information
Supplemental information Dissection of the genomic structure of the miR-183/96/182 gene. Previously, we showed that the miR-183/96/182 cluster is an intergenic miRNA cluster, located in a ~60-kb interval between the genes encoding nuclear respiratory factor-1 (Nrf1) and ubiquitin-conjugating enzyme E2H (Ube2h) on mouse chr6qA3.3 (1). To start to uncover the genomic structure of the miR- 183/96/182 gene, we first studied genomic features around miR-183/96/182 in the UCSC genome browser (http://genome.UCSC.edu/), and identified two CpG islands 3.4-6.5 kb 5’ of pre-miR-183, the most 5’ miRNA of the cluster (Fig. 1A; Fig. S1 and Seq. S1). A cDNA clone, AK044220, located at 3.2-4.6 kb 5’ to pre-miR-183, encompasses the second CpG island (Fig. 1A; Fig. S1). We hypothesized that this cDNA clone was derived from 5’ exon(s) of the primary transcript of the miR-183/96/182 gene, as CpG islands are often associated with promoters (2). Supporting this hypothesis, multiple expressed sequences detected by gene-trap clones, including clone D016D06 (3, 4), were co-localized with the cDNA clone AK044220 (Fig. 1A; Fig. S1). Clone D016D06, deposited by the German GeneTrap Consortium (GGTC) (http://tikus.gsf.de) (3, 4), was derived from insertion of a retroviral construct, rFlpROSAβgeo in 129S2 ES cells (Fig. 1A and C). The rFlpROSAβgeo construct carries a promoterless reporter gene, the β−geo cassette - an in-frame fusion of the β-galactosidase and neomycin resistance (Neor) gene (5), with a splicing acceptor (SA) immediately upstream, and a polyA signal downstream of the β−geo cassette (Fig. -
A Mouse Model of Heritable Cerebrovascular Disease
A Mouse Model of Heritable Cerebrovascular Disease Thomas J. Sproule1, John G. Sled2, Jill Wentzell1, Bing Wang1, R. Mark Henkelman2, Derry C. Roopenian1, Robert W. Burgess1* 1 The Jackson Laboratory, Bar Harbor, Maine, United States of America, 2 Hospital for Sick Children, University of Toronto, Toronto, Canada Abstract The study of animal models of heritable cerebrovascular diseases can improve our understanding of disease mechanisms, identify candidate genes for related human disorders, and provide experimental models for preclinical trials. Here we describe a spontaneous mouse mutation that results in reproducible, adult-onset, progressive, focal ischemia in the brain. The pathology is not the result of hemorrhage, embolism, or an anatomical abnormality in the cerebral vasculature. The mutation maps as a single site recessive locus to mouse Chromosome 9 at 105 Mb, a region of shared synteny with human chromosome 3q22. The genetic interval, defined by recombination mapping, contains seven protein-coding genes and one processed transcript, none of which are changed in their expression level, splicing, or sequence in affected mice. Targeted resequencing of the entire interval did not reveal any provocative changes; thus, the causative molecular lesion has not been identified. Citation: Sproule TJ, Sled JG, Wentzell J, Wang B, Henkelman RM, et al. (2010) A Mouse Model of Heritable Cerebrovascular Disease. PLoS ONE 5(12): e15327. doi:10.1371/journal.pone.0015327 Editor: Takeo Yoshikawa, RIKEN Brain Science Institute, Japan Received September 8, 2010; Accepted November 8, 2010; Published December 31, 2010 Copyright: ß 2010 Sproule et al. This is an open-access article distributed under the terms of the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited. -
Identification of Potential Key Genes and Pathway Linked with Sporadic Creutzfeldt-Jakob Disease Based on Integrated Bioinformatics Analyses
medRxiv preprint doi: https://doi.org/10.1101/2020.12.21.20248688; this version posted December 24, 2020. The copyright holder for this preprint (which was not certified by peer review) is the author/funder, who has granted medRxiv a license to display the preprint in perpetuity. All rights reserved. No reuse allowed without permission. Identification of potential key genes and pathway linked with sporadic Creutzfeldt-Jakob disease based on integrated bioinformatics analyses Basavaraj Vastrad1, Chanabasayya Vastrad*2 , Iranna Kotturshetti 1. Department of Biochemistry, Basaveshwar College of Pharmacy, Gadag, Karnataka 582103, India. 2. Biostatistics and Bioinformatics, Chanabasava Nilaya, Bharthinagar, Dharwad 580001, Karanataka, India. 3. Department of Ayurveda, Rajiv Gandhi Education Society`s Ayurvedic Medical College, Ron, Karnataka 562209, India. * Chanabasayya Vastrad [email protected] Ph: +919480073398 Chanabasava Nilaya, Bharthinagar, Dharwad 580001 , Karanataka, India NOTE: This preprint reports new research that has not been certified by peer review and should not be used to guide clinical practice. medRxiv preprint doi: https://doi.org/10.1101/2020.12.21.20248688; this version posted December 24, 2020. The copyright holder for this preprint (which was not certified by peer review) is the author/funder, who has granted medRxiv a license to display the preprint in perpetuity. All rights reserved. No reuse allowed without permission. Abstract Sporadic Creutzfeldt-Jakob disease (sCJD) is neurodegenerative disease also called prion disease linked with poor prognosis. The aim of the current study was to illuminate the underlying molecular mechanisms of sCJD. The mRNA microarray dataset GSE124571 was downloaded from the Gene Expression Omnibus database. Differentially expressed genes (DEGs) were screened. -
Metastatic Adrenocortical Carcinoma Displays Higher Mutation Rate and Tumor Heterogeneity Than Primary Tumors
ARTICLE DOI: 10.1038/s41467-018-06366-z OPEN Metastatic adrenocortical carcinoma displays higher mutation rate and tumor heterogeneity than primary tumors Sudheer Kumar Gara1, Justin Lack2, Lisa Zhang1, Emerson Harris1, Margaret Cam2 & Electron Kebebew1,3 Adrenocortical cancer (ACC) is a rare cancer with poor prognosis and high mortality due to metastatic disease. All reported genetic alterations have been in primary ACC, and it is 1234567890():,; unknown if there is molecular heterogeneity in ACC. Here, we report the genetic changes associated with metastatic ACC compared to primary ACCs and tumor heterogeneity. We performed whole-exome sequencing of 33 metastatic tumors. The overall mutation rate (per megabase) in metastatic tumors was 2.8-fold higher than primary ACC tumor samples. We found tumor heterogeneity among different metastatic sites in ACC and discovered recurrent mutations in several novel genes. We observed 37–57% overlap in genes that are mutated among different metastatic sites within the same patient. We also identified new therapeutic targets in recurrent and metastatic ACC not previously described in primary ACCs. 1 Endocrine Oncology Branch, National Cancer Institute, National Institutes of Health, Bethesda, MD 20892, USA. 2 Center for Cancer Research, Collaborative Bioinformatics Resource, National Cancer Institute, National Institutes of Health, Bethesda, MD 20892, USA. 3 Department of Surgery and Stanford Cancer Institute, Stanford University, Stanford, CA 94305, USA. Correspondence and requests for materials should be addressed to E.K. (email: [email protected]) NATURE COMMUNICATIONS | (2018) 9:4172 | DOI: 10.1038/s41467-018-06366-z | www.nature.com/naturecommunications 1 ARTICLE NATURE COMMUNICATIONS | DOI: 10.1038/s41467-018-06366-z drenocortical carcinoma (ACC) is a rare malignancy with types including primary ACC from the TCGA to understand our A0.7–2 cases per million per year1,2. -
Analysis of the Indacaterol-Regulated Transcriptome in Human Airway
Supplemental material to this article can be found at: http://jpet.aspetjournals.org/content/suppl/2018/04/13/jpet.118.249292.DC1 1521-0103/366/1/220–236$35.00 https://doi.org/10.1124/jpet.118.249292 THE JOURNAL OF PHARMACOLOGY AND EXPERIMENTAL THERAPEUTICS J Pharmacol Exp Ther 366:220–236, July 2018 Copyright ª 2018 by The American Society for Pharmacology and Experimental Therapeutics Analysis of the Indacaterol-Regulated Transcriptome in Human Airway Epithelial Cells Implicates Gene Expression Changes in the s Adverse and Therapeutic Effects of b2-Adrenoceptor Agonists Dong Yan, Omar Hamed, Taruna Joshi,1 Mahmoud M. Mostafa, Kyla C. Jamieson, Radhika Joshi, Robert Newton, and Mark A. Giembycz Departments of Physiology and Pharmacology (D.Y., O.H., T.J., K.C.J., R.J., M.A.G.) and Cell Biology and Anatomy (M.M.M., R.N.), Snyder Institute for Chronic Diseases, Cumming School of Medicine, University of Calgary, Calgary, Alberta, Canada Received March 22, 2018; accepted April 11, 2018 Downloaded from ABSTRACT The contribution of gene expression changes to the adverse and activity, and positive regulation of neutrophil chemotaxis. The therapeutic effects of b2-adrenoceptor agonists in asthma was general enriched GO term extracellular space was also associ- investigated using human airway epithelial cells as a therapeu- ated with indacaterol-induced genes, and many of those, in- tically relevant target. Operational model-fitting established that cluding CRISPLD2, DMBT1, GAS1, and SOCS3, have putative jpet.aspetjournals.org the long-acting b2-adrenoceptor agonists (LABA) indacaterol, anti-inflammatory, antibacterial, and/or antiviral activity. Numer- salmeterol, formoterol, and picumeterol were full agonists on ous indacaterol-regulated genes were also induced or repressed BEAS-2B cells transfected with a cAMP-response element in BEAS-2B cells and human primary bronchial epithelial cells by reporter but differed in efficacy (indacaterol $ formoterol . -
Molecular Studies Into Copine-4 Function in Retinal Ganglion Cells
bioRxiv preprint doi: https://doi.org/10.1101/2021.08.09.455730; this version posted August 11, 2021. The copyright holder for this preprint (which was not certified by peer review) is the author/funder. This article is a US Government work. It is not subject to copyright under 17 USC 105 and is also made available for use under a CC0 license. 1 Molecular studies into Copine-4 function in Retinal Ganglion Cells 2 3 Manvi Goel1,2, Angel M. Aponte3, Graeme Wistow4, Tudor C. Badea*1,5 4 5 1 Retinal Circuit Development & Genetics Unit, Neurobiology Neurodegeneration & Repair 6 Laboratory, NEI, National Institutes of Health, Bethesda, Maryland 20892 7 2 Department of Neuroscience, College of Medicine, The Ohio State University, 333 W 10th 8 Avenue, Columbus, Ohio 43210 9 3 Proteomics Core, NHLBI, National Institutes of Health, Bethesda, Maryland 20892 10 4 Section on Molecular Structure and Functional Genomics, NEI, National Institutes of Health, 11 Bethesda , Maryland 20892 12 5 Research and Development Institute, Faculty of Medicine, Transilvania University of Brasov, 13 Brasov, Romania 14 15 * Corresponding author: Tudor C. Badea, 16 Retinal Circuit Development & Genetics Unit, Building 6, Room 331, 6 Center Drive, Bethesda, 17 MD 20892-0610. / Research and Development Institute, Transilvania University of Brasov, 18 Blvd. Eroilor Nr. 29, Brasov, cod 500036, Romania. 19 Email: [email protected] / [email protected] 20 21 22 23 24 1 bioRxiv preprint doi: https://doi.org/10.1101/2021.08.09.455730; this version posted August 11, 2021. The copyright holder for this preprint (which was not certified by peer review) is the author/funder. -
Molecular Studies Into Copine-4 Function in Retinal Ganglion Cells
bioRxiv preprint doi: https://doi.org/10.1101/2021.08.09.455730; this version posted August 10, 2021. The copyright holder for this preprint (which was not certified by peer review) is the author/funder. This article is a US Government work. It is not subject to copyright under 17 USC 105 and is also made available for use under a CC0 license. 1 Molecular studies into Copine-4 function in Retinal Ganglion Cells 2 3 Manvi Goel1,2, Angel M. Aponte3, Graeme Wistow4, Tudor C. Badea*1,5 4 5 1 Retinal Circuit Development & Genetics Unit, Neurobiology Neurodegeneration & Repair 6 Laboratory, NEI, National Institutes of Health, Bethesda, Maryland 20892 7 2 Department of Neuroscience, College of Medicine, The Ohio State University, 333 W 10th 8 Avenue, Columbus, Ohio 43210 9 3 Proteomics Core, NHLBI, National Institutes of Health, Bethesda, Maryland 20892 10 4 Section on Molecular Structure and Functional Genomics, NEI, National Institutes of Health, 11 Bethesda , Maryland 20892 12 5 Research and Development Institute, Faculty of Medicine, Transilvania University of Brasov, 13 Brasov, Romania 14 15 * Corresponding author: Tudor C. Badea, 16 Retinal Circuit Development & Genetics Unit, Building 6, Room 331, 6 Center Drive, Bethesda, 17 MD 20892-0610. / Research and Development Institute, Transilvania University of Brasov, 18 Blvd. Eroilor Nr. 29, Brasov, cod 500036, Romania. 19 Email: [email protected] / [email protected] 20 21 22 23 24 1 bioRxiv preprint doi: https://doi.org/10.1101/2021.08.09.455730; this version posted August 10, 2021. The copyright holder for this preprint (which was not certified by peer review) is the author/funder. -
Maria Fernanda Garcés Gutiérrez
Estudio de factores moleculares y séricos durante la gestación en la rata y en el humano Maria Fernanda Garcés Gutiérrez Universidad Nacional de Colombia Programa Interfacultades de Doctorado en Biotecnología Facultad de Ciencias Bogotá D.C., Colombia 2016 Estudio de factores moleculares y séricos durante la gestación en la rata y en el humano Maria Fernanda Garcés Gutiérrez Tesis presentada como requisito parcial para optar al título de: Doctor en Biotecnología Director: PhD., MSc., Químico. Jorge Eduardo Caminos Pinzón Codirector: MSc., MEd., MD. Ariel Iván Ruiz Parra Línea de Investigación: Estudio de las bases moleculares de la fisiología de la gestación. Grupo de Investigación: Endocrinología y nutrición básica. Universidad Nacional de Colombia Programa Interfacultades de Doctorado en Biotecnología Facultad de Ciencias Bogotá D.C., Colombia 2016 Este trabajo lo dedico a cada persona que acompaño de forma paciente y desinterasada la ejecución del mismo, desde los pacientes, investigadores, profesores y consultores, hasta mi director de tesis y amigo incondicional y por supuesto mi familia, quienes nunca perdieron la fe en mí. Estudio de factores moleculares y séricos durante la gestación en la rata y en el humano Agradecimientos El presente trabajo se realizó en el marco del proyecto “Valor de biomarcadores séricos en la predicción del desenlace materno-perinatal de la gestante y su evolución a 6 meses”, el cual fue un proyecto financiado por Colciencias código: 110154531660. Adicionalmente, se recibió el apoyo en la convocatoria del Programa Nacional de Proyectos para el Fortalecimiento de la Investigación, la Creación y la Innovación en Posgrados de la Universidad Nacional de Colombia 2013-2015. -
Population-Haplotype Models for Mapping and Tagging Structural Variation Using Whole Genome Sequencing
Population-haplotype models for mapping and tagging structural variation using whole genome sequencing Eleni Loizidou Submitted in part fulfilment of the requirements for the degree of Doctor of Philosophy Section of Genomics of Common Disease Department of Medicine Imperial College London, 2018 1 Declaration of originality I hereby declare that the thesis submitted for a Doctor of Philosophy degree is based on my own work. Proper referencing is given to the organisations/cohorts I collaborated with during the project. 2 Copyright Declaration The copyright of this thesis rests with the author and is made available under a Creative Commons Attribution Non-Commercial No Derivatives licence. Researchers are free to copy, distribute or transmit the thesis on the condition that they attribute it, that they do not use it for commercial purposes and that they do not alter, transform or build upon it. For any reuse or redistribution, researchers must make clear to others the licence terms of this work 3 Abstract The scientific interest in copy number variation (CNV) is rapidly increasing, mainly due to the evidence of phenotypic effects and its contribution to disease susceptibility. Single nucleotide polymorphisms (SNPs) which are abundant in the human genome have been widely investigated in genome-wide association studies (GWAS). Despite the notable genomic effects both CNVs and SNPs have, the correlation between them has been relatively understudied. In the past decade, next generation sequencing (NGS) has been the leading high-throughput technology for investigating CNVs and offers mapping at a high-quality resolution. We created a map of NGS-defined CNVs tagged by SNPs using the 1000 Genomes Project phase 3 (1000G) sequencing data to examine patterns between the two types of variation in protein-coding genes. -
Duke University Dissertation Template
Gene-Environment Interactions in Cardiovascular Disease by Cavin Keith Ward-Caviness Graduate Program in Computational Biology and Bioinformatics Duke University Date:_______________________ Approved: ___________________________ Elizabeth R. Hauser, Supervisor ___________________________ William E. Kraus ___________________________ Sayan Mukherjee ___________________________ H. Frederik Nijhout Dissertation submitted in partial fulfillment of the requirements for the degree of Doctor of Philosophy in the Graduate Program in Computational Biology and Bioinformatics in the Graduate School of Duke University 2014 i v ABSTRACT Gene-Environment Interactions in Cardiovascular Disease by Cavin Keith Ward-Caviness Graduate Program in Computational Biology and Bioinformatics Duke University Date:_______________________ Approved: ___________________________ Elizabeth R. Hauser, Supervisor ___________________________ William E. Kraus ___________________________ Sayan Mukherjee ___________________________ H. Frederik Nijhout An abstract of a dissertation submitted in partial fulfillment of the requirements for the degree of Doctor of Philosophy in the Graduate Program in Computational Biology and Bioinformatics in the Graduate School of Duke University 2014 Copyright by Cavin Keith Ward-Caviness 2014 Abstract In this manuscript I seek to demonstrate the importance of gene-environment interactions in cardiovascular disease. This manuscript contains five studies each of which contributes to our understanding of the joint impact of genetic variation