Variants in ADCY5 and Near CCNL1 Are Associated with Fetal Growth and Birth Weight
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John Snow Lecture, by George Davey Smith
Published by Oxford University Press on behalf of the International Epidemiological Association International Journal of Epidemiology 2011;40:537–562 ß The Author 2011; all rights reserved. doi:10.1093/ije/dyr117 IEA JOHN SNOW LECTURE 2011 Epidemiology, epigenetics and the ‘Gloomy Prospect’: embracing randomness in population health research and practice George Davey Smith MRC Centre for Causal Analyses in Translational Epidemiology, School of Social and Community Medicine, University of Bristol, Oakfield House, Oakfield Grove, Bristol BS8 2BN, UK Epidemiologists aim to identify modifiable causes of disease, this often being a prerequisite for the application of epidemiological findings in public health pro- grammes, health service planning and clinical medicine. Despite successes in identifying causes, it is often claimed that there are missing additional causes for even reasonably well-understood conditions such as lung cancer and coronary heart disease. Several lines of evidence suggest that largely chance events, from the biographical down to the sub-cellular, contribute an important stochastic element to disease risk that is not epidemiologically tractable at the individual level. Epigenetic influences provide a fashionable contemporary explanation for such seemingly random processes. Chance events—such as a particular lifelong smoker living unharmed to 100 years—are averaged out at the group level. As a consequence population-level differences (for example, secular trends or differ- ences between administrative areas) can be entirely explicable by causal factors that appear to account for only a small proportion of individual-level risk. In public health terms, a modifiable cause of the large majority of cases of a disease may have been identified, with a wild goose chase continuing in an attempt to discipline the random nature of the world with respect to which particular indi- viduals will succumb. -
CCNL1 (NM 020307) Human Untagged Clone – SC113160 | Origene
OriGene Technologies, Inc. 9620 Medical Center Drive, Ste 200 Rockville, MD 20850, US Phone: +1-888-267-4436 [email protected] EU: [email protected] CN: [email protected] Product datasheet for SC113160 CCNL1 (NM_020307) Human Untagged Clone Product data: Product Type: Expression Plasmids Product Name: CCNL1 (NM_020307) Human Untagged Clone Tag: Tag Free Symbol: CCNL1 Synonyms: ania-6a; ANIA6A; BM-001; PRO1073 Vector: pCMV6-XL5 E. coli Selection: Ampicillin (100 ug/mL) Cell Selection: None Fully Sequenced ORF: >NCBI ORF sequence for NM_020307, the custom clone sequence may differ by one or more nucleotides ATGGCGTCCGGGCCTCATTCGACAGCTACTGCTGCCGCAGCCGCCTCATCGGCCGCCCCAAGCGCGGGCG GCTCCAGCTCCGGGACGACGACCACGACGACGACCACGACGGGAGGGATCCTGATCGGCGATCGCCTGTA CTCGGAAGTTTCACTTACCATCGACCACTCTCTGATTCCGGAGGAGAGGCTCTCGCCCACCCCATCCATG CAGGATGGGCTCGACCTGCCCAGTGAGACGGACTTACGCATCCTGGGCTGCGAGCTCATCCAGGCCGCCG GCATTCTCCTCCGGCTGCCGCAGGTGGCGATGGCAACGGGGCAGGTGTTGTTTCATCGTTTTTTCTACTC CAAATCTTTCGTCAAACACAGTTTCGAGATTGTTGCTATGGCTTGTATTAATCTTGCATCAAAAATCGAA GAAGCACCTAGAAGAATAAGAGATGTGATTAATGTATTCCACCACCTCCGCCAGTTAAGAGGAAAAAGGA CTCCAAGCCCCCTGATCCTTGATCAGAACTACATTAACACCAAAAATCAAGTTATCAAAGCAGAGAGGAG GGTGCTAAAGGAGTTGGGATTTTGTGTTCATGTCAAGCATCCTCATAAGATCATTGTTATGTATTTACAA GTCTTAGAATGTGAACGTAATCAAACCCTGGTTCAAACTGCCTGGAATTACATGAATGACAGTCTTCGAA CCAATGTGTTTGTTCGATTTCAACCAGAGACTATAGCATGTGCTTGCATCTACCTTGCAGCTAGAGCACT TCAGATTCCGTTGCCAACTCGTCCCCATTGGTTTCTTCTTTTTGGTACTACAGAAGAGGAAATCCAGGAA ATCTGCATAGAAACACTTAGGCTTTATACCAGAAAAAAGCCAAACTATGAATTACTGGAAAAAGAAGTAG AAAAAAGAAAAGTAGCCTTACAAGAAGCCAAATTAAAAGCAAAGGGATTGAATCCGGATGGAACTCCAGC -
Epigenome-Wide Study Identified Methylation Sites Associated With
nutrients Article Epigenome-Wide Study Identified Methylation Sites Associated with the Risk of Obesity Majid Nikpay 1,*, Sepehr Ravati 2, Robert Dent 3 and Ruth McPherson 1,4,* 1 Ruddy Canadian Cardiovascular Genetics Centre, University of Ottawa Heart Institute, 40 Ruskin St–H4208, Ottawa, ON K1Y 4W7, Canada 2 Plastenor Technologies Company, Montreal, QC H2P 2G4, Canada; [email protected] 3 Department of Medicine, Division of Endocrinology, University of Ottawa, the Ottawa Hospital, Ottawa, ON K1Y 4E9, Canada; [email protected] 4 Atherogenomics Laboratory, University of Ottawa Heart Institute, Ottawa, ON K1Y 4W7, Canada * Correspondence: [email protected] (M.N.); [email protected] (R.M.) Abstract: Here, we performed a genome-wide search for methylation sites that contribute to the risk of obesity. We integrated methylation quantitative trait locus (mQTL) data with BMI GWAS information through a SNP-based multiomics approach to identify genomic regions where mQTLs for a methylation site co-localize with obesity risk SNPs. We then tested whether the identified site contributed to BMI through Mendelian randomization. We identified multiple methylation sites causally contributing to the risk of obesity. We validated these findings through a replication stage. By integrating expression quantitative trait locus (eQTL) data, we noted that lower methylation at cg21178254 site upstream of CCNL1 contributes to obesity by increasing the expression of this gene. Higher methylation at cg02814054 increases the risk of obesity by lowering the expression of MAST3, whereas lower methylation at cg06028605 contributes to obesity by decreasing the expression of SLC5A11. Finally, we noted that rare variants within 2p23.3 impact obesity by making the cg01884057 Citation: Nikpay, M.; Ravati, S.; Dent, R.; McPherson, R. -
Supplementary Materials
Supplementary materials Supplementary Table S1: MGNC compound library Ingredien Molecule Caco- Mol ID MW AlogP OB (%) BBB DL FASA- HL t Name Name 2 shengdi MOL012254 campesterol 400.8 7.63 37.58 1.34 0.98 0.7 0.21 20.2 shengdi MOL000519 coniferin 314.4 3.16 31.11 0.42 -0.2 0.3 0.27 74.6 beta- shengdi MOL000359 414.8 8.08 36.91 1.32 0.99 0.8 0.23 20.2 sitosterol pachymic shengdi MOL000289 528.9 6.54 33.63 0.1 -0.6 0.8 0 9.27 acid Poricoic acid shengdi MOL000291 484.7 5.64 30.52 -0.08 -0.9 0.8 0 8.67 B Chrysanthem shengdi MOL004492 585 8.24 38.72 0.51 -1 0.6 0.3 17.5 axanthin 20- shengdi MOL011455 Hexadecano 418.6 1.91 32.7 -0.24 -0.4 0.7 0.29 104 ylingenol huanglian MOL001454 berberine 336.4 3.45 36.86 1.24 0.57 0.8 0.19 6.57 huanglian MOL013352 Obacunone 454.6 2.68 43.29 0.01 -0.4 0.8 0.31 -13 huanglian MOL002894 berberrubine 322.4 3.2 35.74 1.07 0.17 0.7 0.24 6.46 huanglian MOL002897 epiberberine 336.4 3.45 43.09 1.17 0.4 0.8 0.19 6.1 huanglian MOL002903 (R)-Canadine 339.4 3.4 55.37 1.04 0.57 0.8 0.2 6.41 huanglian MOL002904 Berlambine 351.4 2.49 36.68 0.97 0.17 0.8 0.28 7.33 Corchorosid huanglian MOL002907 404.6 1.34 105 -0.91 -1.3 0.8 0.29 6.68 e A_qt Magnogrand huanglian MOL000622 266.4 1.18 63.71 0.02 -0.2 0.2 0.3 3.17 iolide huanglian MOL000762 Palmidin A 510.5 4.52 35.36 -0.38 -1.5 0.7 0.39 33.2 huanglian MOL000785 palmatine 352.4 3.65 64.6 1.33 0.37 0.7 0.13 2.25 huanglian MOL000098 quercetin 302.3 1.5 46.43 0.05 -0.8 0.3 0.38 14.4 huanglian MOL001458 coptisine 320.3 3.25 30.67 1.21 0.32 0.9 0.26 9.33 huanglian MOL002668 Worenine -
High-Throughput Bioinformatics Approaches to Understand Gene Expression Regulation in Head and Neck Tumors
High-throughput bioinformatics approaches to understand gene expression regulation in head and neck tumors by Yanxiao Zhang A dissertation submitted in partial fulfillment of the requirements for the degree of Doctor of Philosophy (Bioinformatics) in The University of Michigan 2016 Doctoral Committee: Associate Professor Maureen A. Sartor, Chair Professor Thomas E. Carey Assistant Professor Hui Jiang Professor Ronald J. Koenig Associate Professor Laura M. Rozek Professor Kerby A. Shedden c Yanxiao Zhang 2016 All Rights Reserved I dedicate this thesis to my family. For their unfailing love, understanding and support. ii ACKNOWLEDGEMENTS I would like to express my gratitude to Dr. Maureen Sartor for her guidance in my research and career development. She is a great mentor. She patiently taught me when I started new in this field, granted me freedom to explore and helped me out when I got lost. Her dedication to work, enthusiasm in teaching, mentoring and communicating science have inspired me to feel the excite- ment of research beyond novel scientific discoveries. I’m also grateful to have an interdisciplinary committee. Their feedback on my research progress and presentation skills is very valuable. In particular, I would like to thank Dr. Thomas Carey and Dr. Laura Rozek for insightful discussions on the biology of head and neck cancers and human papillomavirus, Dr. Ronald Koenig for expert knowledge on thyroid cancers, Dr. Hui Jiang and Dr. Kerby Shedden for feedback on the statistics part of my thesis. I would like to thank all the past and current members of Sartor lab for making the lab such a lovely place to stay and work in. -
ABSTRACT DATA DRIVEN APPROACHES to IDENTIFY DETERMINANTS of HEART DISEASES and CANCER RESISTANCE Avinash Das Sahu, Doctor Of
ABSTRACT Title of dissertation: DATA DRIVEN APPROACHES TO IDENTIFY DETERMINANTS OF HEART DISEASES AND CANCER RESISTANCE Avinash Das Sahu, Doctor of Philosophy, 2016 Dissertation directed by: Professor Sridhar Hannenhalli Department of Computer Science Cancer and cardio-vascular diseases are the leading causes of death world-wide. Caused by systemic genetic and molecular disruptions in cells, these disorders are the manifestation of profound disturbance of normal cellular homeostasis. People suffering or at high risk for these disorders need early diagnosis and personalized therapeutic intervention. Successful implementation of such clinical measures can significantly improve global health. However, development of effective therapies is hindered by the challenges in identifying genetic and molecular determinants of the onset of diseases; and in cases where therapies already exist, the main challenge is to identify molecular determinants that drive resistance to the therapies. Due to the progress in sequencing technologies, the access to a large genome-wide biolog- ical data is now extended far beyond few experimental labs to the global research community. The unprecedented availability of the data has revolutionized the ca- pabilities of computational researchers, enabling them to collaboratively address the long standing problems from many different perspectives. Likewise, this thesis tackles the two main public health related challenges using data driven approaches. Numerous association studies have been proposed to identify genomic variants that determine disease. However, their clinical utility remains limited due to their inability to distinguish causal variants from associated variants. In the presented thesis, we first propose a simple scheme that improves association studies in su- pervised fashion and has shown its applicability in identifying genomic regulatory variants associated with hypertension. -
Combinatorial Strategies Using CRISPR/Cas9 for Gene Mutagenesis in Adult Mice
Combinatorial strategies using CRISPR/Cas9 for gene mutagenesis in adult mice Avery C. Hunker A dissertation submitted in partial fulfillment of the requirements for the degree of Doctor of Philosophy University of Washington 2019 Reading Committee: Larry S. Zweifel, Chair Sheri J. Mizumori G. Stanley McKnight Program Authorized to Offer Degree: Pharmacology 2 © Copyright 2019 Avery C. Hunker 3 University of Washington ABSTRACT Combinatorial strategies using CRISPR/Cas9 for gene mutagenesis in adult mice Avery C. Hunker Chair of the Supervisory Committee: Larry Zweifel Department of Pharmacology A major challenge to understanding how genes modulate complex behaviors is the inability to restrict genetic manipulations to defined cell populations or circuits. To circumvent this, we created a simple strategy for limiting gene knockout to specific cell populations using a viral-mediated, conditional CRISPR/SaCas9 system in combination with intersectional genetic strategies. A small single guide RNA (sgRNA) directs Staphylococcus aureus CRISPR-associated protein (SaCas9) to unique sites on DNA in a Cre-dependent manner resulting in double strand breaks and gene mutagenesis in vivo. To validate this technique we targeted nine different genes of diverse function in distinct cell types in mice and performed an array of analyses to confirm gene mutagenesis and subsequent protein loss, including IHC, cell-type specific DNA sequencing, electrophysiology, Western blots, and behavior. We show that these vectors are as efficient as conventional conditional gene knockout and provide a viable alternative to complex genetic crosses. This strategy provides additional benefits of 4 targeting gene mutagenesis to cell types previously difficult to isolate, and the ability to target genes in specific neural projections for gene inactivation. -
1 Epidemiology and Genetics of Preserved Ratio Impaired Spirometry
medRxiv preprint doi: https://doi.org/10.1101/2020.10.14.20212613; this version posted October 20, 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. It is made available under a CC-BY-ND 4.0 International license . Epidemiology and Genetics of Preserved Ratio Impaired SpiroMetry (PRISm): An Analysis of UK Biobank Daniel H Higbee MBBS1,2, Raquel Granell PhD1, George Davey Smith FRS1, James W Dodd MB ChB, PhD1,2 1 MRC Integrative Epidemiology Unit (IEU), University of Bristol, Oakfield Grove, Bristol, BS8 2BN, UK. 2 Academic Respiratory Unit, University of Bristol, Southmead Hospital, Bristol, BS10 5NB UK Corresponding Author: Dr James W. Dodd [email protected] Tel +44117 4142012 Fax +44117 4149496 ORCID 0000-00034805-5759 JD & DH conceived the study and initial draft, all authors made substantial contributions to the analysis, drafting and final approval of the paper. Funding: This work was supported by the Medical Research Council and the University of Bristol Integrative Epidemiology Unit (MC_UU_00011). MRC CARP Fellowship (Grant ref: MR/T005114/1) NOTE: This preprint reports new research that has not been certified by peer review and should not be used to guide clinical practice. 1 medRxiv preprint doi: https://doi.org/10.1101/2020.10.14.20212613; this version posted October 20, 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. -
Multivariable Two-Sample Mendelian Randomization Estimates of The
RESEARCH ARTICLE Multivariable two-sample Mendelian randomization estimates of the effects of intelligence and education on health Neil Martin Davies1,2*, W David Hill3,4, Emma L Anderson1,2, Eleanor Sanderson1,2, Ian J Deary3,4, George Davey Smith1,2 1Medical Research Council Integrative Epidemiology Unit, University of Bristol, Bristol, United Kingdom; 2Bristol Medical School, University of Bristol, Bristol, United Kingdom; 3Centre for Cognitive Ageing and Cognitive Epidemiology, University of Edinburgh, Edinburgh, United Kingdom; 4Department of Psychology, University of Edinburgh, Edinburgh, United Kingdom Abstract Intelligence and education are predictive of better physical and mental health, socioeconomic position (SEP), and longevity. However, these associations are insufficient to prove that intelligence and/or education cause these outcomes. Intelligence and education are phenotypically and genetically correlated, which makes it difficult to elucidate causal relationships. We used univariate and multivariable Mendelian randomization to estimate the total and direct effects of intelligence and educational attainment on mental and physical health, measures of socioeconomic position, and longevity. Both intelligence and education had beneficial total effects. Higher intelligence had positive direct effects on income and alcohol consumption, and negative direct effects on moderate and vigorous physical activity. Higher educational attainment had positive direct effects on income, alcohol consumption, and vigorous physical activity, -
Content Based Search in Gene Expression Databases and a Meta-Analysis of Host Responses to Infection
Content Based Search in Gene Expression Databases and a Meta-analysis of Host Responses to Infection A Thesis Submitted to the Faculty of Drexel University by Francis X. Bell in partial fulfillment of the requirements for the degree of Doctor of Philosophy November 2015 c Copyright 2015 Francis X. Bell. All Rights Reserved. ii Acknowledgments I would like to acknowledge and thank my advisor, Dr. Ahmet Sacan. Without his advice, support, and patience I would not have been able to accomplish all that I have. I would also like to thank my committee members and the Biomed Faculty that have guided me. I would like to give a special thanks for the members of the bioinformatics lab, in particular the members of the Sacan lab: Rehman Qureshi, Daisy Heng Yang, April Chunyu Zhao, and Yiqian Zhou. Thank you for creating a pleasant and friendly environment in the lab. I give the members of my family my sincerest gratitude for all that they have done for me. I cannot begin to repay my parents for their sacrifices. I am eternally grateful for everything they have done. The support of my sisters and their encouragement gave me the strength to persevere to the end. iii Table of Contents LIST OF TABLES.......................................................................... vii LIST OF FIGURES ........................................................................ xiv ABSTRACT ................................................................................ xvii 1. A BRIEF INTRODUCTION TO GENE EXPRESSION............................. 1 1.1 Central Dogma of Molecular Biology........................................... 1 1.1.1 Basic Transfers .......................................................... 1 1.1.2 Uncommon Transfers ................................................... 3 1.2 Gene Expression ................................................................. 4 1.2.1 Estimating Gene Expression ............................................ 4 1.2.2 DNA Microarrays ...................................................... -
The MR-Base Platform Supports Systematic
TOOLS AND RESOURCES The MR-Base platform supports systematic causal inference across the human phenome Gibran Hemani1†*, Jie Zheng1†*, Benjamin Elsworth1†, Kaitlin H Wade1, Valeriia Haberland1, Denis Baird1, Charles Laurin1, Stephen Burgess2, Jack Bowden1, Ryan Langdon1, Vanessa Y Tan1, James Yarmolinsky1, Hashem A Shihab1, Nicholas J Timpson1, David M Evans1,3, Caroline Relton1, Richard M Martin1, George Davey Smith1, Tom R Gaunt1‡*, Philip C Haycock1‡* 1Medical Research Council (MRC) Integrative Epidemiology Unit, Population Health Sciences, Bristol Medical School, University of Bristol, Bristol, United Kingdom; 2Department of Public Health and Primary Care, University of Cambridge, Cambridge, United Kingdom; 3University of Queensland Diamantina Institute, Translational Research Institute, Brisbane, Australia Abstract Results from genome-wide association studies (GWAS) can be used to infer causal relationships between phenotypes, using a strategy known as 2-sample Mendelian randomization (2SMR) and bypassing the need for individual-level data. However, 2SMR methods are evolving *For correspondence: rapidly and GWAS results are often insufficiently curated, undermining efficient implementation of [email protected] (GH); the approach. We therefore developed MR-Base (http://www.mrbase.org): a platform that [email protected] (JZ); integrates a curated database of complete GWAS results (no restrictions according to statistical [email protected] (TRG); significance) with an application programming interface, web app and R packages that automate [email protected] (PCH) 2SMR. The software includes several sensitivity analyses for assessing the impact of horizontal †These authors contributed pleiotropy and other violations of assumptions. The database currently comprises 11 billion single equally to this work nucleotide polymorphism-trait associations from 1673 GWAS and is updated on a regular basis. -
Candidate Gene and Genome-Wide Association Studies for Circulating
nutrients Article Candidate Gene and Genome-Wide Association Studies for Circulating Leptin Levels Reveal Population and Sex-Specific Associations in High Cardiovascular Risk Mediterranean Subjects 1,2, 2,3, 1,2 1,2 Carolina Ortega-Azorín y , Oscar Coltell y , Eva M. Asensio , Jose V. Sorlí , José I. González 1,2, Olga Portolés 1,2, Carmen Saiz 1,2, Ramon Estruch 2,4 , Judith B Ramírez-Sabio 5, Alejandro Pérez-Fidalgo 1,6, Jose M Ordovas 7,8,9 and Dolores Corella 1,2,* 1 Department of Preventive Medicine and Public Health, School of Medicine, University of Valencia, 46010 Valencia, Spain; [email protected] (C.O.-A.); [email protected] (E.M.A.); [email protected] (J.V.S.); [email protected] (J.I.G.); [email protected] (O.P.); [email protected] (C.S.); [email protected] (A.P.-F.) 2 CIBER Fisiopatología de la Obesidad y Nutrición, Instituto de Salud Carlos III, 28029 Madrid, Spain; [email protected] (O.C.); [email protected] (R.E.) 3 Department of Computer Languages and Systems, Universitat Jaume I, 12071 Castellón, Spain 4 Department of Internal Medicine, Hospital Clinic, Institut d’Investigació Biomèdica August Pi i Sunyer (IDIBAPS), University of Barcelona, Villarroel, 170, 08036 Barcelona, Spain 5 Oncology Department, Sagunto Hospital, 46250 Sagunto, Spain; [email protected] 6 CIBER Cáncer, Instituto de Salud Carlos III, 28029 Madrid, Spain 7 Nutrition and Genomics Laboratory, JM-USDA Human Nutrition Research Center on Aging at Tufts University, Boston, MA 02111, USA; [email protected] 8 Department of Cardiovascular Epidemiology and Population Genetics, Centro Nacional de Investigaciones Cardiovasculares (CNIC), 28029 Madrid, Spain 9 IMDEA Alimentación, 28049 Madrid, Spain * Correspondence: [email protected]; Tel.: +34-96-386-4800 Both authors contributed equally to this work.