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Prioritization and Evaluation of Depression Candidate Genes by Combining Multidimensional Data Resources
Prioritization and Evaluation of Depression Candidate Genes by Combining Multidimensional Data Resources Chung-Feng Kao1, Yu-Sheng Fang2, Zhongming Zhao3, Po-Hsiu Kuo1,2,4* 1 Department of Public Health and Institute of Epidemiology and Preventive Medicine, College of Public Health, National Taiwan University, Taipei, Taiwan, 2 Institute of Clinical Medicine, School of Medicine, National Cheng-Kung University, Tainan, Taiwan, 3 Departments of Biomedical Informatics and Psychiatry, Vanderbilt University School of Medicine, Nashville, Tennessee, United States of America, 4 Research Center for Genes, Environment and Human Health, National Taiwan University, Taipei, Taiwan Abstract Background: Large scale and individual genetic studies have suggested numerous susceptible genes for depression in the past decade without conclusive results. There is a strong need to review and integrate multi-dimensional data for follow up validation. The present study aimed to apply prioritization procedures to build-up an evidence-based candidate genes dataset for depression. Methods: Depression candidate genes were collected in human and animal studies across various data resources. Each gene was scored according to its magnitude of evidence related to depression and was multiplied by a source-specific weight to form a combined score measure. All genes were evaluated through a prioritization system to obtain an optimal weight matrix to rank their relative importance with depression using the combined scores. The resulting candidate gene list for depression (DEPgenes) was further evaluated by a genome-wide association (GWA) dataset and microarray gene expression in human tissues. Results: A total of 5,055 candidate genes (4,850 genes from human and 387 genes from animal studies with 182 being overlapped) were included from seven data sources. -
Associated Palmoplantar Keratoderma
DR ABIGAIL ZIEMAN (Orcid ID : 0000-0001-8236-207X) Article type : Review Article Pathophysiology of pachyonychia congenita-associated palmoplantar keratoderma: New insight into skin epithelial homeostasis and avenues for treatment Authors: A. G. Zieman1 and P. A. Coulombe1,2 # Affiliations: 1Department of Cell and Developmental Biology, University of Michigan Medical School, Ann Arbor, MI 48109, USA; 2Department of Dermatology, University of Michigan Medical School, Ann Arbor, MI 48109, USA #Corresponding author: Pierre A. Coulombe, PhD, 3071 Biomedical Sciences Research Building, 109 Zina Pitcher Place, Ann Arbor, MI 48109, USA. Tel: 734-615-7509. Email: [email protected]. Funding Sources: These studies were supported by grant AR044232 issued to P.A.C. from the National Institute of Arthritis, Musculoskeletal and Skin Disease (NIAMS). A.G.Z. received support from grant T32 CA009110 from the National Cancer Institute. Author Manuscript This is the author manuscript accepted for publication and has undergone full peer review but has not been through the copyediting, typesetting, pagination and proofreading process, which may lead to differences between this version and the Version of Record. Please cite this article as doi: 10.1111/BJD.18033 This article is protected by copyright. All rights reserved Conflict of interest disclosures: None declared. Bulleted statements: What’s already known about this topic? Pachyonychia congenita is a rare genodermatosis caused by mutations in KRT6A, KRT6B, KRT6C, KRT16, KRT17, which are normally expressed in skin appendages and induced following injury. Individuals with PC present with multiple clinical symptoms that usually include thickened and dystrophic nails, palmoplantar keratoderma (PPK), glandular cysts, and oral leukokeratosis. -
Natural Mutations Affect Structure and Function of Gc1q Domain of Otolin-1
International Journal of Molecular Sciences Article Natural Mutations Affect Structure and Function of gC1q Domain of Otolin-1 Rafał Hołubowicz * , Andrzej Ozyhar˙ and Piotr Dobryszycki * Department of Biochemistry, Molecular Biology and Biotechnology, Faculty of Chemistry, Wrocław University of Science and Technology, Wybrzeze˙ Wyspia´nskiego27, 50-370 Wrocław, Poland; [email protected] * Correspondence: [email protected] (R.H.); [email protected] (P.D.); Tel.: +48-71-320-63-34 (R.H.); +48-71-320-63-32 (P.D.) Abstract: Otolin-1 is a scaffold protein of otoliths and otoconia, calcium carbonate biominerals from the inner ear. It contains a gC1q domain responsible for trimerization and binding of Ca2+. Knowl- edge of a structure–function relationship of gC1q domain of otolin-1 is crucial for understanding the biology of balance sensing. Here, we show how natural variants alter the structure of gC1q otolin-1 and how Ca2+ are able to revert some effects of the mutations. We discovered that natural substitutions: R339S, R342W and R402P negatively affect the stability of apo-gC1q otolin-1, and that Q426R has a stabilizing effect. In the presence of Ca2+, R342W and Q426R were stabilized at higher Ca2+ concentrations than the wild-type form, and R402P was completely insensitive to Ca2+. The mutations affected the self-association of gC1q otolin-1 by inducing detrimental aggregation (R342W) or disabling the trimerization (R402P) of the protein. Our results indicate that the natural variants of gC1q otolin-1 may have a potential to cause pathological changes in otoconia and otoconial membrane, which could affect sensing of balance and increase the probability of occurrence of benign Citation: Hołubowicz, R.; Ozyhar,˙ paroxysmal positional vertigo (BPPV). -
Invited Review: Genetic and Genomic Mouse Models for Livestock Research
Archives Animal Breeding – serving the animal science community for 60 years Arch. Anim. Breed., 61, 87–98, 2018 https://doi.org/10.5194/aab-61-87-2018 Open Access © Author(s) 2018. This work is distributed under the Creative Commons Attribution 4.0 License. Archives Animal Breeding Invited review: Genetic and genomic mouse models for livestock research Danny Arends, Deike Hesse, and Gudrun A. Brockmann Albrecht Daniel Thaer-Institut für Agrar- und Gartenbauwissenschaften, Humboldt-Universität zu Berlin, 10115 Berlin, Germany Correspondence: Danny Arends ([email protected]) and Gudrun A. Brockmann ([email protected]) Received: 7 December 2017 – Revised: 3 January 2018 – Accepted: 8 January 2018 – Published: 13 February 2018 Abstract. Knowledge about the function and functioning of single or multiple interacting genes is of the utmost significance for understanding the organism as a whole and for accurate livestock improvement through genomic selection. This includes, but is not limited to, understanding the ontogenetic and environmentally driven regula- tion of gene action contributing to simple and complex traits. Genetically modified mice, in which the functions of single genes are annotated; mice with reduced genetic complexity; and simplified structured populations are tools to gain fundamental knowledge of inheritance patterns and whole system genetics and genomics. In this re- view, we briefly describe existing mouse resources and discuss their value for fundamental and applied research in livestock. 1 Introduction the generation of targeted mutations found their way from model animals to livestock species. Through this progress, During the last 10 years, tools for genome analyses model organisms attain a new position in fundamental sci- have developed tremendously. -
Location Analysis of Estrogen Receptor Target Promoters Reveals That
Location analysis of estrogen receptor ␣ target promoters reveals that FOXA1 defines a domain of the estrogen response Jose´ e Laganie` re*†, Genevie` ve Deblois*, Ce´ line Lefebvre*, Alain R. Bataille‡, Franc¸ois Robert‡, and Vincent Gigue` re*†§ *Molecular Oncology Group, Departments of Medicine and Oncology, McGill University Health Centre, Montreal, QC, Canada H3A 1A1; †Department of Biochemistry, McGill University, Montreal, QC, Canada H3G 1Y6; and ‡Laboratory of Chromatin and Genomic Expression, Institut de Recherches Cliniques de Montre´al, Montreal, QC, Canada H2W 1R7 Communicated by Ronald M. Evans, The Salk Institute for Biological Studies, La Jolla, CA, July 1, 2005 (received for review June 3, 2005) Nuclear receptors can activate diverse biological pathways within general absence of large scale functional data linking these putative a target cell in response to their cognate ligands, but how this binding sites with gene expression in specific cell types. compartmentalization is achieved at the level of gene regulation is Recently, chromatin immunoprecipitation (ChIP) has been used poorly understood. We used a genome-wide analysis of promoter in combination with promoter or genomic DNA microarrays to occupancy by the estrogen receptor ␣ (ER␣) in MCF-7 cells to identify loci recognized by transcription factors in a genome-wide investigate the molecular mechanisms underlying the action of manner in mammalian cells (20–24). This technology, termed 17-estradiol (E2) in controlling the growth of breast cancer cells. ChIP-on-chip or location analysis, can therefore be used to deter- We identified 153 promoters bound by ER␣ in the presence of E2. mine the global gene expression program that characterize the Motif-finding algorithms demonstrated that the estrogen re- action of a nuclear receptor in response to its natural ligand. -
Evidence for Differential Alternative Splicing in Blood of Young Boys With
Stamova et al. Molecular Autism 2013, 4:30 http://www.molecularautism.com/content/4/1/30 RESEARCH Open Access Evidence for differential alternative splicing in blood of young boys with autism spectrum disorders Boryana S Stamova1,2,5*, Yingfang Tian1,2,4, Christine W Nordahl1,3, Mark D Shen1,3, Sally Rogers1,3, David G Amaral1,3 and Frank R Sharp1,2 Abstract Background: Since RNA expression differences have been reported in autism spectrum disorder (ASD) for blood and brain, and differential alternative splicing (DAS) has been reported in ASD brains, we determined if there was DAS in blood mRNA of ASD subjects compared to typically developing (TD) controls, as well as in ASD subgroups related to cerebral volume. Methods: RNA from blood was processed on whole genome exon arrays for 2-4–year-old ASD and TD boys. An ANCOVA with age and batch as covariates was used to predict DAS for ALL ASD (n=30), ASD with normal total cerebral volumes (NTCV), and ASD with large total cerebral volumes (LTCV) compared to TD controls (n=20). Results: A total of 53 genes were predicted to have DAS for ALL ASD versus TD, 169 genes for ASD_NTCV versus TD, 1 gene for ASD_LTCV versus TD, and 27 genes for ASD_LTCV versus ASD_NTCV. These differences were significant at P <0.05 after false discovery rate corrections for multiple comparisons (FDR <5% false positives). A number of the genes predicted to have DAS in ASD are known to regulate DAS (SFPQ, SRPK1, SRSF11, SRSF2IP, FUS, LSM14A). In addition, a number of genes with predicted DAS are involved in pathways implicated in previous ASD studies, such as ROS monocyte/macrophage, Natural Killer Cell, mTOR, and NGF signaling. -
Functional Characterization of the New 8Q21 Asthma Risk Locus
Functional characterization of the new 8q21 Asthma risk locus Cristina M T Vicente B.Sc, M.Sc A thesis submitted for the degree of Doctor of Philosophy at The University of Queensland in 2017 Faculty of Medicine Abstract Genome wide association studies (GWAS) provide a powerful tool to identify genetic variants associated with asthma risk. However, the target genes for many allergy risk variants discovered to date are unknown. In a recent GWAS, Ferreira et al. identified a new association between asthma risk and common variants located on chromosome 8q21. The overarching aim of this thesis was to elucidate the biological mechanisms underlying this association. Specifically, the goals of this study were to identify the gene(s) underlying the observed association and to study their contribution to asthma pathophysiology. Using genetic data from the 1000 Genomes Project, we first identified 118 variants in linkage disequilibrium (LD; r2>0.6) with the sentinel allergy risk SNP (rs7009110) on chromosome 8q21. Of these, 35 were found to overlap one of four Putative Regulatory Elements (PREs) identified in this region in a lymphoblastoid cell line (LCL), based on epigenetic marks measured by the ENCODE project. Results from analysis of gene expression data generated for LCLs (n=373) by the Geuvadis consortium indicated that rs7009110 is associated with the expression of only one nearby gene: PAG1 - located 732 kb away. PAG1 encodes a transmembrane adaptor protein localized to lipid rafts, which is highly expressed in immune cells. Results from chromosome conformation capture (3C) experiments showed that PREs in the region of association physically interacted with the promoter of PAG1. -
Mutations of BSND Can Cause Nonsyndromic Deafness Or Bartter Syndrome
REPORT Molecular Basis of DFNB73: Mutations of BSND Can Cause Nonsyndromic Deafness or Bartter Syndrome Saima Riazuddin,1,2,7 Saima Anwar,3,7 Martin Fischer,4 Zubair M. Ahmed,1,2 Shahid Y. Khan,3 Audrey G.H. Janssen,4 Ahmad U. Zafar,3 Ute Scholl,4 Tayyab Husnain,3 Inna A. Belyantseva,1 Penelope L. Friedman,5 Sheikh Riazuddin,3 Thomas B. Friedman,1 and Christoph Fahlke4,6,* BSND encodes barttin, an accessory subunit of renal and inner ear chloride channels. To date, all mutations of BSND have been shown to cause Bartter syndrome type IV, characterized by significant renal abnormalities and deafness. We identified a BSND mutation (p.I12T) in four kindreds segregating nonsyndromic deafness linked to a 4.04-cM interval on chromosome 1p32.3. The functional consequences of p.I12T differ from BSND mutations that cause renal failure and deafness in Bartter syndrome type IV. p.I12T leaves chloride channel function unaffected and only interferes with chaperone function of barttin in intracellular trafficking. This study provides functional data implicating a hypomorphic allele of BSND as a cause of apparent nonsyndromic deafness. We demonstrate that BSND mutations with different functional consequences are the basis for either syndromic or nonsyndromic deafness. Antenatal Bartter syndrome comprises a genetically and PKDF067, were found to be segregating the c.35T>C allele phenotypically heterogeneous group of salt-losing ne- of BSND resulting in a substitution of threonine for a highly phropathies.1,2 Affected individuals with Bartter syndrome conserved isoleucine (p.I12T) (Figure 2B). In a fourth type IV (MIM 602522) suffer from increased urinary family, PKDF815, 25 affected members enrolled in this chloride excretion, elevated plasma renin activity, hyperal- study. -
Vascular Phenotypes in Nonvascular Subtypes of the Ehlers-Danlos Syndrome: a Systematic Review
SYSTEMATIC REVIEW Official journal of the American College of Medical Genetics and Genomics Vascular phenotypes in nonvascular subtypes of the Ehlers-Danlos syndrome: a systematic review Sanne D’hondt, MSc1, Tim Van Damme, MD1 and Fransiska Malfait, MD, PhD1 Purpose: Within the spectrum of the Ehlers-Danlos syndromes (53%), frequently reported in musculocontractural and classical- (EDS), vascular complications are usually associated with the like EDS; intracranial hemorrhages (18%), with a high risk in vascular subtype of EDS. Vascular complications are also observed dermatosparaxis EDS; and arterial dissections (16%), frequently in other EDS subtypes, but the reports are anecdotal and the reported in kyphoscoliotic and classical EDS. Other, more minor, information is dispersed. To better document the nature of vascular vascular complications were reported in cardiac-valvular, arthro- complications among “nonvascular” EDS subtypes, we performed chalasia, spondylodysplastic, and periodontal EDS. a systematic review. Conclusion: Potentially life-threatening vascular complications are Methods: We queried three databases for English-language a rare but important finding in several nonvascular EDS sub- studies from inception until May 2017, documenting both types, highlighting a need for more systematic documentation. This phenotypes and genotypes of patients with nonvascular EDS review will help familiarize clinicians with the spectrum of vascular subtypes. The outcome included the number and nature of vascular complications in EDS and guide follow-up and management. complications. Genet Med advance online publication 5 October 2017 Results: A total of 112 papers were included and data were collected from 467 patients, of whom 77 presented with a vascular Key Words: connective tissue disorder; Ehlers-Danlos syndrome; phenotype. -
Multivariate Analysis Reveals Genetic Associations of the Resting Default
Multivariate analysis reveals genetic associations of PNAS PLUS the resting default mode network in psychotic bipolar disorder and schizophrenia Shashwath A. Medaa,1, Gualberto Ruañob,c, Andreas Windemuthb, Kasey O’Neila, Clifton Berwisea, Sabra M. Dunna, Leah E. Boccaccioa, Balaji Narayanana, Mohan Kocherlab, Emma Sprootena, Matcheri S. Keshavand, Carol A. Tammingae, John A. Sweeneye, Brett A. Clementzf, Vince D. Calhoung,h,i, and Godfrey D. Pearlsona,h,j aOlin Neuropsychiatry Research Center, Institute of Living at Hartford Hospital, Hartford, CT 06102; bGenomas Inc., Hartford, CT 06102; cGenetics Research Center, Hartford Hospital, Hartford, CT 06102; dDepartment of Psychiatry, Beth Israel Deaconess Hospital, Harvard Medical School, Boston, MA 02215; eDepartment of Psychiatry, University of Texas Southwestern Medical Center, Dallas, TX 75390; fDepartment of Psychology, University of Georgia, Athens, GA 30602; gThe Mind Research Network, Albuquerque, NM 87106; Departments of hPsychiatry and jNeurobiology, Yale University, New Haven, CT 06520; and iDepartment of Electrical and Computer Engineering, The University of New Mexico, Albuquerque, NM 87106 Edited by Robert Desimone, Massachusetts Institute of Technology, Cambridge, MA, and approved April 4, 2014 (received for review July 15, 2013) The brain’s default mode network (DMN) is highly heritable and is Although risk for psychotic illnesses is driven in small part by compromised in a variety of psychiatric disorders. However, ge- highly penetrant, often private mutations such as copy number netic control over the DMN in schizophrenia (SZ) and psychotic variants, substantial risk also is likely conferred by multiple genes bipolar disorder (PBP) is largely unknown. Study subjects (n = of small effect sizes interacting together (7). According to the 1,305) underwent a resting-state functional MRI scan and were “common disease common variant” (CDCV) model, one would analyzed by a two-stage approach. -
Activation of the Bile Acid Pathway and No Observed Antimicrobial Peptide Sequences in the Skin of a Poison Frog
INVESTIGATION Activation of the Bile Acid Pathway and No Observed Antimicrobial Peptide Sequences in the Skin of a Poison Frog Megan L. Civitello,* Robert Denton,* Michael A. Zasloff,† and John H. Malone*,1 *Institute of Systems Genomics, Department of Molecular and Cell Biology, University of Connecticut, Storrs, Connecticut 06269 and †Georgetown University School of Medicine, MedStar Georgetown Transplant Institute, Washington D.C. 20057 ORCID IDs: 0000-0002-8629-1376 (R.D.); 0000-0003-1369-3769 (J.H.M.) ABSTRACT The skin secretions of many frogs have genetically-encoded, endogenous antimicrobial KEYWORDS peptides (AMPs). Other species, especially aposematic poison frogs, secrete exogenously derived alkaloids Anti-microbial that serve as potent defense molecules. The origins of these defense systems are not clear, but a novel bile- peptides acid derived metabolite, tauromantellic acid, was recently discovered and shown to be endogenous in defensive poison frogs (Mantella, Dendrobates, and Epipedobates). These observations raise questions about the secretions evolutionary history of AMP genetic elements, the mechanism and function of tauromatellic acid produc- phylogenetic tion, and links between these systems. To understand the diversity and expression of AMPs among frogs, history we assembled skin transcriptomes of 13 species across the anuran phylogeny. Our analyses revealed a bile acid pathway diversity of AMPs and AMP expression levels across the phylogenetic history of frogs, but no observations of AMPs in Mantella. We examined genes expressed in the bile-acid metabolic pathway and found that CYP7A1 (Cytochrome P450), BAAT (bile acid-CoA: amino acid N-acyltransferase), and AMACR (alpha- methylacyl-CoA racemase) were highly expressed in the skin of M. -
Gfh 2016 Tagungsband Final.Pdf
27. Jahrestagung der Deutschen Gesellschaft für Humangenetik 27. Jahrestagung der Deutschen Gesellschaft für Humangenetik gemeinsam mit der Österreichischen Gesellschaft für Humangenetik und der Schweizerischen Gesellschaft für Medizinische Genetik 16.–18. 3. 2016, Lübeck Tagungsort Prof. Dr. med. Jörg Epplen, Bochum (Tagungspräsident 2017) Prof. Dr. med. Michael Speicher, Graz (Tagungspräsident 2015) Hotel Hanseatischer Hof Prof. Dr. med. Klaus Zerres, Aachen Wisbystraße 7–9 Prof. Dr. rer. nat. Wolfgang Berger, Zürich (Delegierter der SGMG) 23558 Lübeck Univ.-Prof. DDr. med. univ. Johannes Zschocke, Telefon: (0451) 3 00 20-0 (Innsbruck Delegierter der ÖGH) http://www.hanseatischer- hof.de/ [email protected] Fachgesellschaften Die Jahrestagung fi ndet im Hotel Hanseatischer Hof statt, das sich Deutsche Gesellschaft für Humangenetik (GfH) in in fussläufi ger Entfernung vom Lübecker Hauptbahnhof befi ndet. Vorsitzender: Prof. Dr. med. Klaus Zerres, Aachen Stellvertretende Vorsitzende: Prof. Dr. med. Gabriele Gillessen- Tagungspräsidentin Kaesbach, Lübeck Stellvertretende Vorsitzende: Prof. Dr. biol. hum. Hildegard Prof. Dr. med. Gabriele Gillessen- Kaesbach Kehrer- Sawatzki, Ulm Institut für Humangenetik Schatzmeister: Dr. rer. nat. Wolfram Kress, Würzburg Universität zu Lübeck/UKSH Schrift führerin: Dr. rer. nat. Simone Heidemann, Kiel Ratzeburger Allee 160, Haus 72 23538 Lübeck Österreichische Gesellschaft für Humangenetik (ÖGH) Telefon: 0049-451-500-2620 Univ. Prof. Dr. med. univ. Michael Speicher, Graz (Vorsitzender) Fax: 0049-451-500-4187 Univ. Doz. Dr. med. univ. Hans-Christoph Duba, Linz (Stellvertre- tende Vorsitzende) Tagungsorganisation Univ.-Prof. DDr. med. univ. Johannes Zschocke, Innsbruck (Stellvertretende Vorsitzende) Dr. Christine Scholz (Leitung) Dr. Gerald Webersinke, Linz (Schrift führer) Brigitte Fiedler (Teilnehmerregistrierung) Ass.-Prof. Priv. Doz. Dr. med. univ. Franco Laccone, Wien (Stellver- Deutsche Gesellschaft für Humangenetik e.