After a Review of the Current Available Literature, CGS Administrators Has Determined That Testing for the Following Genes/Gene
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Regulation of Cdc42 and Its Effectors in Epithelial Morphogenesis Franck Pichaud1,2,*, Rhian F
© 2019. Published by The Company of Biologists Ltd | Journal of Cell Science (2019) 132, jcs217869. doi:10.1242/jcs.217869 REVIEW SUBJECT COLLECTION: ADHESION Regulation of Cdc42 and its effectors in epithelial morphogenesis Franck Pichaud1,2,*, Rhian F. Walther1 and Francisca Nunes de Almeida1 ABSTRACT An overview of Cdc42 Cdc42 – a member of the small Rho GTPase family – regulates cell Cdc42 was discovered in yeast and belongs to a large family of small – polarity across organisms from yeast to humans. It is an essential (20 30 kDa) GTP-binding proteins (Adams et al., 1990; Johnson regulator of polarized morphogenesis in epithelial cells, through and Pringle, 1990). It is part of the Ras-homologous Rho subfamily coordination of apical membrane morphogenesis, lumen formation and of GTPases, of which there are 20 members in humans, including junction maturation. In parallel, work in yeast and Caenorhabditis elegans the RhoA and Rac GTPases, (Hall, 2012). Rho, Rac and Cdc42 has provided important clues as to how this molecular switch can homologues are found in all eukaryotes, except for plants, which do generate and regulate polarity through localized activation or inhibition, not have a clear homologue for Cdc42. Together, the function of and cytoskeleton regulation. Recent studies have revealed how Rho GTPases influences most, if not all, cellular processes. important and complex these regulations can be during epithelial In the early 1990s, seminal work from Alan Hall and his morphogenesis. This complexity is mirrored by the fact that Cdc42 can collaborators identified Rho, Rac and Cdc42 as main regulators of exert its function through many effector proteins. -
Tumor Initiating but Differentiated Luminal-Like Breast Cancer Cells Are Highly Invasive in the Absence of Basal-Like Activity
Tumor initiating but differentiated luminal-like breast cancer cells are highly invasive in the absence of basal-like activity Jiyoung Kima, René Villadsena, Therese Sørlieb,c, Louise Fogha, Signe Z. Grønlunda,d, Agla J. Fridriksdottira, Irene Kuhne, Fritz Rankf,1, Vera Timmermans Wielengaf, Hiroko Solvangb,g, Paul A. W. Edwardsh, Anne-Lise Børresen-Daleb,i, Lone Rønnov-Jessend, Mina J. Bisselle,2, and Ole William Petersena,2 aDepartment of Cellular and Molecular Medicine, Centre for Biological Disease Analysis and Danish Stem Cell Centre, Faculty of Health Sciences, University of Copenhagen, DK-2200 Copenhagen N, Denmark; bDepartment of Genetics, Institute for Cancer Research, Oslo University Hospital Radiumhospitalet, Montebello 0310, Oslo, Norway; cCancer Stem Cell Innovation Center, Oslo University Hospital, Norwegian Radium Hospital, 0310 Oslo, Norway; dCell and Developmental Biology, Department of Biology, University of Copenhagen, DK-2100 Copenhagen Ø, Denmark; eLife Sciences Division, Berkeley National Laboratory, Berkeley, CA 94720; fDepartment of Pathology, Rigshospitalet, DK-2100 Copenhagen Ø, Denmark; gDepartment of Biostatistics, Institute of Basic Medical Science, University of Oslo, 0317 Oslo, Norway; hDepartment of Pathology and Hutchison/MRC Research Centre, University of Cambridge, Cambridge CB2 0X2, United Kingdom; and iK. G. Jebsen Center for Breast Cancer Research, Institute for Clinical Medicine, Faculty of Clinical Medicine, University of Oslo, 0318 Oslo, Norway Contributed by Mina J. Bissell, February 28, 2012 (sent for review January 10, 2012) The majority of human breast cancers exhibit luminal epithelial these contradictions is the concept of tumor cell plasticity, i.e., the differentiation. However, most aggressive behavior, including possibility that differentiated luminal cells must acquire basal-like invasion and purported cancer stem cell activity, are considered traits to become malignant (10–14). -
The Atypical Guanine-Nucleotide Exchange Factor, Dock7, Negatively Regulates Schwann Cell Differentiation and Myelination
The Journal of Neuroscience, August 31, 2011 • 31(35):12579–12592 • 12579 Cellular/Molecular The Atypical Guanine-Nucleotide Exchange Factor, Dock7, Negatively Regulates Schwann Cell Differentiation and Myelination Junji Yamauchi,1,3,5 Yuki Miyamoto,1 Hajime Hamasaki,1,3 Atsushi Sanbe,1 Shinji Kusakawa,1 Akane Nakamura,2 Hideki Tsumura,2 Masahiro Maeda,4 Noriko Nemoto,6 Katsumasa Kawahara,5 Tomohiro Torii,1 and Akito Tanoue1 1Department of Pharmacology and 2Laboratory Animal Resource Facility, National Research Institute for Child Health and Development, Setagaya, Tokyo 157-8535, Japan, 3Department of Biological Sciences, Tokyo Institute of Technology, Midori, Yokohama 226-8501, Japan, 4IBL, Ltd., Fujioka, Gumma 375-0005, Japan, and 5Department of Physiology and 6Bioimaging Research Center, Kitasato University School of Medicine, Sagamihara, Kanagawa 252-0374, Japan In development of the peripheral nervous system, Schwann cells proliferate, migrate, and ultimately differentiate to form myelin sheath. In all of the myelination stages, Schwann cells continuously undergo morphological changes; however, little is known about their underlying molecular mechanisms. We previously cloned the dock7 gene encoding the atypical Rho family guanine-nucleotide exchange factor (GEF) and reported the positive role of Dock7, the target Rho GTPases Rac/Cdc42, and the downstream c-Jun N-terminal kinase in Schwann cell migration (Yamauchi et al., 2008). We investigated the role of Dock7 in Schwann cell differentiation and myelination. Knockdown of Dock7 by the specific small interfering (si)RNA in primary Schwann cells promotes dibutyryl cAMP-induced morpholog- ical differentiation, indicating the negative role of Dock7 in Schwann cell differentiation. It also results in a shorter duration of activation of Rac/Cdc42 and JNK, which is the negative regulator of myelination, and the earlier activation of Rho and Rho-kinase, which is the positive regulator of myelination. -
Cover Petra B
UvA-DARE (Digital Academic Repository) The role of Polycomb group proteins throughout development : f(l)avoring repression van der Stoop, P.M. Link to publication Citation for published version (APA): van der Stoop, P. M. (2009). The role of Polycomb group proteins throughout development : f(l)avoring repression. Amsterdam: Nederlands Kanker Instituut - Antoni Van Leeuwenhoekziekenhuis. General rights It is not permitted to download or to forward/distribute the text or part of it without the consent of the author(s) and/or copyright holder(s), other than for strictly personal, individual use, unless the work is under an open content license (like Creative Commons). Disclaimer/Complaints regulations If you believe that digital publication of certain material infringes any of your rights or (privacy) interests, please let the Library know, stating your reasons. In case of a legitimate complaint, the Library will make the material inaccessible and/or remove it from the website. Please Ask the Library: https://uba.uva.nl/en/contact, or a letter to: Library of the University of Amsterdam, Secretariat, Singel 425, 1012 WP Amsterdam, The Netherlands. You will be contacted as soon as possible. UvA-DARE is a service provided by the library of the University of Amsterdam (http://dare.uva.nl) Download date: 27 Oct 2019 Chapter 4 Ubiquitin E3 Ligase Ring1b/Rnf2 of Polycomb Repressive Complex 1 Contributes to Stable Maintenance of Mouse Embryonic Stem Cells Petra van der Stoop*, Erwin A. Boutsma*, Danielle Hulsman, Sonja Noback, Mike Heimerikx, Ron M. Kerkhoven, J. Willem Voncken, Lodewyk F.A. Wessels, Maarten van Lohuizen * These authors contributed equally to this work Adapted from: PLoS ONE (2008) 3(5): e2235 Ring1b regulates ES cell fate Ubiquitin E3 Ligase Ring1b/Rnf2 of Polycomb Repressive Complex 1 Contributes to Stable Maintenance of Mouse Embryonic Stem Cells Petra van der Stoop1*, Erwin A. -
Mechanistic Studies on Medium Chain Acyl-Coa Dehydrogenase
Acyl-CoA Dehydrogenases: Mechanistic studies on Medium Chain Acyl-CoA Dehydrogenase Dissertation zur Erlangung des akademischen Grades des Doktors der Naturwissenschaften (Dr. rer. nat.) an der Universität Konstanz (Fachbereich Biologie) vorgelegt von Vasile Robert Gradinaru Konstanz, im Juni 2005 Tag der mündlichen Prüfung : 9. November 2005 Referent: Prof. Dr. Sandro Ghisla Referent: Prof. Dr. Peter Macheroux Acknowledgements I am greatly indebted to my supervisor, Prof. Dr. Sandro Ghisla, for his advice and support. He has been an excellent supervisor providing insightful comments and constructive criticism throughout this PhD project. I would also like to thank my colleagues in the Universities of Konstanz and Iasi for their advice, encouragement and friendship, without which I would certainly not have completed this thesis. In particular, I would like to thank Prof. Dr. Richard Schowen, Prof. Dr. Peter Macheroux, Prof. Dr. Colin Thorpe, Prof. Dr. Jung-Ja. Kim, Prof. Dr. Tatiana Nicolaescu, Prof. Dr. Constantin Ciugureanu, Prof. Dr. Robert Bach, Dr. Olga Dmitrenko, Susanne Feindler-Boeckh, Gudrun Vogt, Elmi Leisner, Karl Janko, Lili Smau, Nasser Ibrahim, Phaneeswara Rao Kommoju, Sudarshan Rao Ande, Lakshminarayana Kaza, Cosmin Pocanschi, Paula Bulieris for their active interest during the course of this project. My gratitude also goes to Prof. Alexandru Cecal for encouraging me to embark on this PhD. I express my loving thanks to my wife Luiza whose love, support, patience and understanding made this work easier. Above all, I wish to express my sincerest gratitude to my parents, who made my studies possible and who have always encouraged me. This study was financiarlly supported by the Deutsche Forschungsgemeinschaft (Gh 2/6-4). -
The Modulation of Sphingolipids by Human Cytomegalovirus and Its Influence on Viral Protein Accumulation and Growth
THE MODULATION OF SPHINGOLIPIDS BY HUMAN CYTOMEGALOVIRUS AND ITS INFLUENCE ON VIRAL PROTEIN ACCUMULATION AND GROWTH DISSERTATION Presented in Partial Fulfillment of the Requirements for the Degree Doctor of Philosophy in the Graduate School of The Ohio State University By Nicholas John Machesky, B.S. ***** The Ohio State University 2007 Dissertation Committee: Approved by Professor James R. Van Brocklyn, Advisor Professor Joanne Trgovcich _________________________________ Professor W. James Waldman Advisor Integrated Biomedical Science Graduate Program Professor Chien-Liang Lin ABSTRACT Human cytomegalovirus (HCMV) is a β-herpes virus which can cause serious disease and even death in congenitally-infected infants and in immunocompromised individuals or immunosuppressed transplant recipients. This virus promotes its own replication by exploiting many cellular signaling pathways. Sphingolipids are structural components of cell membranes which can act as critical mediators of cell signaling. Sphingosine kinase (SphK) can phosphorylate dihydrosphingosine (dhSph) and sphingosine (Sph) to produce dihydrosphingosine-1-phosphate (dhS1P) and sphingosine- 1-phosphate (S1P), respectively, which can activate many signaling pathways through binding to G-protein coupled S1P receptors, named S1P1-5. An area of research which has yet to be elucidated is whether HCMV modulates sphingolipids and their signaling pathways. Our data show that HCMV infection results in increased accumulation and activity of sphingosine kinase (SphK) within different cell types. This occurs during early times of infection in that it occurs after virus entry but before replication of viral DNA. Measuring the levels of transcripts encoding key enzymes of the sphingolipid metabolic pathway during HCMV infection revealed a temporal regulation of both synthetic and degradative enzymes of this pathway. -
A Computational Approach for Defining a Signature of Β-Cell Golgi Stress in Diabetes Mellitus
Page 1 of 781 Diabetes A Computational Approach for Defining a Signature of β-Cell Golgi Stress in Diabetes Mellitus Robert N. Bone1,6,7, Olufunmilola Oyebamiji2, Sayali Talware2, Sharmila Selvaraj2, Preethi Krishnan3,6, Farooq Syed1,6,7, Huanmei Wu2, Carmella Evans-Molina 1,3,4,5,6,7,8* Departments of 1Pediatrics, 3Medicine, 4Anatomy, Cell Biology & Physiology, 5Biochemistry & Molecular Biology, the 6Center for Diabetes & Metabolic Diseases, and the 7Herman B. Wells Center for Pediatric Research, Indiana University School of Medicine, Indianapolis, IN 46202; 2Department of BioHealth Informatics, Indiana University-Purdue University Indianapolis, Indianapolis, IN, 46202; 8Roudebush VA Medical Center, Indianapolis, IN 46202. *Corresponding Author(s): Carmella Evans-Molina, MD, PhD ([email protected]) Indiana University School of Medicine, 635 Barnhill Drive, MS 2031A, Indianapolis, IN 46202, Telephone: (317) 274-4145, Fax (317) 274-4107 Running Title: Golgi Stress Response in Diabetes Word Count: 4358 Number of Figures: 6 Keywords: Golgi apparatus stress, Islets, β cell, Type 1 diabetes, Type 2 diabetes 1 Diabetes Publish Ahead of Print, published online August 20, 2020 Diabetes Page 2 of 781 ABSTRACT The Golgi apparatus (GA) is an important site of insulin processing and granule maturation, but whether GA organelle dysfunction and GA stress are present in the diabetic β-cell has not been tested. We utilized an informatics-based approach to develop a transcriptional signature of β-cell GA stress using existing RNA sequencing and microarray datasets generated using human islets from donors with diabetes and islets where type 1(T1D) and type 2 diabetes (T2D) had been modeled ex vivo. To narrow our results to GA-specific genes, we applied a filter set of 1,030 genes accepted as GA associated. -
Clinical Vignette Novel Bi-Allelic Variants in GJC2 Associated
Clinical Vignette Novel Bi-allelic Variants in GJC2 Associated Pelizaeus- Merzbacher-like Disease 1: Clinical Clues and Differential Diagnosis Veronica Arora, Sapna Sandal, Ishwar Verma Institute of Medical Genetics and Genomics, Sir Ganga Ram Hospital, New Delhi Correspondence to: Dr Ishwar C Verma Email: [email protected] Abstract the environment and did not follow objects. Head titubation was present. There was no facial dys- Hypomyelinating Leukodystrophy-2 (HLD2) or morphism. Anthropometric measurements were Pelizaeus-Merzbacher-like disease 1 (PMLD1) is a as follows: length 82cm (+1.2SD), weight 10.6Kg slowly progressive leukodystrophy characterized (+1.1SD) and head circumference 47.7cm (+1.2SD). by nystagmus, hypotonia, and developmental Central nervous system examination showed bilat- delay. It is a close differential diagnosis for eral pendular nystagmus, axial hypotonia, dystonic Pelizaeus- Merzbacher disease (PMD) and should posturing, and choreo-athetoid movements (Figure be suspected in patients with features of PMD but 1). Deep tendon reflexes were brisk with extensor who are negative on testing for duplication of the plantar responses. The rest of the systemic PLP1 gene. We describe a case of a 16-month-old examination was non-contributory. MRI of the boy with a novel homozygous mutation in the GJC2 brain (axial view) showed diffuse hypo-myelination gene resulting in hypomyelinating leukodystrophy- in the peri-ventricular and sub-cortical area and 2. The clinical clues as well as features of other cerebellar white matter changes (Figure 2). disorders presenting similarly are discussed. Given the presence of hypotonia, brisk reflexes, nystagmus and hypomyelination on MRI, a deletion Clinical description duplication analysis for the PLP1 gene was done which was negative. -
Inborn Errors of Metabolism Test Requisition
LABORATORY OF GENETICS AND GENOMICS Mailing Address: For local courier service and/or inquiries, please contact 513-636-4474 • Fax: 513-636-4373 3333 Burnet Avenue, Room R1042 www.cincinnatichildrens.org/moleculargenetics • Email: [email protected] Cincinnati, OH 45229 INBORN ERRORS OF METABOLISM TEST REQUISITION All Information Must Be Completed Before Sample Can Be Processed PATIENT INFORMATION ETHNIC/RACIAL BACKGROUND (Choose All) Patient Name: ___________________ , ___________________ , ________ European American (White) African-American (Black) Last First MI Native American or Alaskan Asian-American Address: ____________________________________________________ Pacific Islander Ashkenazi Jewish ancestry ____________________________________________________ Latino-Hispanic _____________________________________________ Home Phone: ________________________________________________ (specify country/region of origin) MR# __________________ Date of Birth ________ / ________ / _______ Other ____________________________________________________ (specify country/region of origin) Gender: Male Female BILLING INFORMATION (Choose ONE method of payment) o REFERRING INSTITUTION o COMMERCIAL INSURANCE* Insurance can only be billed if requested at the time of service. Institution: ____________________________________________________ Policy Holder Name: _____________________________________________ Address: _____________________________________________________ Gender: ________________ Date of Birth ________ / ________ / _______ -
ACADS Rabbit Pab
Leader in Biomolecular Solutions for Life Science ACADS Rabbit pAb Catalog No.: A0945 2 Publications Basic Information Background Catalog No. This gene encodes a tetrameric mitochondrial flavoprotein, which is a member of the A0945 acyl-CoA dehydrogenase family. This enzyme catalyzes the initial step of the mitochondrial fatty acid beta-oxidation pathway. Mutations in this gene have been Observed MW associated with short-chain acyl-CoA dehydrogenase (SCAD) deficiency. Alternative 44kDa splicing results in two variants which encode different isoforms. Calculated MW 44kDa Category Primary antibody Applications WB, IHC, IF Cross-Reactivity Human, Mouse, Rat Recommended Dilutions Immunogen Information WB 1:500 - 1:2000 Gene ID Swiss Prot 35 P16219 IHC 1:50 - 1:100 Immunogen 1:50 - 1:200 IF Recombinant fusion protein containing a sequence corresponding to amino acids 1-260 of human ACADS (NP_000008.1). Synonyms ACADS;ACAD3;SCAD Contact Product Information www.abclonal.com Source Isotype Purification Rabbit IgG Affinity purification Storage Store at -20℃. Avoid freeze / thaw cycles. Buffer: PBS with 0.02% sodium azide,50% glycerol,pH7.3. Validation Data Western blot analysis of extracts of various cell lines, using ACADS antibody (A0945) at 1:1000 dilution. Secondary antibody: HRP Goat Anti-Rabbit IgG (H+L) (AS014) at 1:10000 dilution. Lysates/proteins: 25ug per lane. Blocking buffer: 3% nonfat dry milk in TBST. Detection: ECL Basic Kit (RM00020). Exposure time: 15s. Immunohistochemistry of paraffin- Immunohistochemistry of paraffin- Immunofluorescence analysis of U2OS embedded human liver cancer using embedded human liver damage using cells using ACADS antibody (A0945). Blue: ACADS antibody (A0945) at dilution of ACADS antibody (A0945) at dilution of DAPI for nuclear staining. -
Alagille Watson Syndrome (JAG1) Sequencing & Deletion/Duplication
Lab Dept: Anatomic Pathology Test Name: ALAGILLE WATSON SYNDROME (JAG1) SEQUENCING General Information Lab Order Codes: JAG1 Synonyms: Alagille Watson Syndrome; Cholestasis with Peripheral Pulmonary Stenosis; Arteriohepatic Dysplasia; Syndromatic Hepatic Ductular Hypoplasia; ALGS1 CPT Codes: Sequencing: 81407 – Molecular pathology Level 8 Deletion/Duplication- High Density Targeted Array 81406 – Molecular pathology Level 7 Test Includes: Analysis of bi-directional sequencing. Also includes a targeted array CGH analysis with exon-level resolution to evaluate for a deletion or duplication of one exon of this gene. Logistics Test Indications: Alagille Syndrome is one of the major forms of chronic liver disease in children and is an autosomal dominant disorder with high penetrance but variable expressivity. The main clinical findings include cholestatis due to bile duct paucity, a characteristic facial appearance, and cardiovascular, eye and skeletal abnormalities. Cardiovascular findings include tetralogy of Fallot or singular manifestations thereof, peripheral pulmonary artery stenosis, atrial and/or ventricular septal defects, and coarction of the aorta. Butterfly vertebra is the most common skeletal finding. Other findings include narrowing of interpeduncular spaces in the lumbar spine, spina bifida occulta, and short fingers and ulnae. Facial features consist of broad forehead, triangular face, prominent zygomatic arch and moderate hypertelorism. Posterior embryotoxon and retinal pigmentary changes are common opthalmological findings. ALGS1 is caused by mutations in the JAG1 gene. It encodes jagged-1, a ligand for the Notch receptors. Notch proteins are transmembrane receptors and are components of signaling pathways important for cell fate. JAG1 is expressed in the developing heart and other structures affected in Alagille syndrome. Over 90% of patients with Alagille syndrome have a mutation in the JAG1 gene. -
Supplementary Tables
Supp Table 1. Patient characteristics of samples used for colony assays, xenografts and intracellular colony assays Sr.No Age Sex Diagnosis Blast% Cytogenetics Mutations (IPSS) (AF%) Patient samples used for colony assays 1. 68 F Low risk 1% N/A None MDS 2. 78 M RAEB-1 7% N/A DNMT3A 3. 66 F High risk 12.2% 5q-,7q-,+11, DNMT3A MDS 20q- (28%) TP53 (58%) 4. 61 M High risk 6.2% Monosomy 7 ASXL1 (36%) MDS EZH2 (77%) RUNX1(18%) 5. 63 M Low risk Normal ETV6 (34%), MDS KRAS(15%), RUNX1 (40%), SRSF2 (43%), ZRSR2 (86%) 6. 62 F RAEB-2 Del 5q TP53 (7%) 7. 76 F t-MDS <1% Normal TET2(10%) 8. 80 M Low risk 5% Normal SF3B1(21%) MDS TET2(8%) ZRZR2(62%) 9. 74 F MPN 5% JAK2V617F+ 10. 76 M Low risk <1% Deletion Y None MDS 11. 84 M Low risk N/A N/A N/A MDS 12. 86 M Int-2 MDS 4-8% Normal U2AF1 (43%) blasts CBL (15%) 13. 64 M low risk 1-3% 20q deletion ASXL1 (17%) MDS SETBP1(17%) U2AF1(15%) 14. 81 F Low risk <1% Normal None MDS Patient samples used for PDX 15. 87 F Int-2 risk 1.2% Complex SETBP1 (38%) MDS cytogenetics, del 7, dup 11, del 13q 16. 59 F High-risk 7-10% Complex NRAS (12%), MDS cytogenetics RUNX1 (20%), (-5q31, -7q31, SRSF2 (22%), trisomy 8, del STAG2 (17%) 11q23 17. 79 F Int-2 risk 5-8% None MDS 18. 67 M MPN 6.6% Normal CALR (51%) IDH1(47%) PDGFRB (47%) Patient samples used for intracellular ASO uptake 19.