1
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Baldrich A, Althaus D, Menter T, Hirsiger JR, Köppen J, Hupfer R, Juskevicius D, Konantz M, Bosch A, Drexler B, Gerull S, Ghosh A, Meyer BJ, Jauch A, Pini K, Poletti F, Berkemeier CM, Heijnen I, Panne I, Cavelti-Weder C, Niess JH, Dixon K, Daikeler T, Hartmann K, Hess C, Halter J, Passweg J, Navarini AA, Yamamoto H, Berger CT, Recher M, Hruz P. Post-transplant Inflammatory Bowel Disease Associated with Donor-Derived TIM-3 Deficiency. J Clin Immunol 2024; 44:63. [PMID: 38363399 PMCID: PMC10873237 DOI: 10.1007/s10875-024-01667-z] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/21/2023] [Accepted: 01/29/2024] [Indexed: 02/17/2024]
Abstract
Inflammatory bowel disease (IBD) occurring following allogeneic stem cell transplantation (aSCT) is a very rare condition. The underlying pathogenesis needs to be better defined. There is currently no systematic effort to exclude loss- or gain-of-function mutations in immune-related genes in stem cell donors. This is despite the fact that more than 100 inborn errors of immunity may cause or contribute to IBD. We have molecularly characterized a patient who developed fulminant inflammatory bowel disease following aSCT with stable 100% donor-derived hematopoiesis. A pathogenic c.A291G; p.I97M HAVCR2 mutation encoding the immune checkpoint protein TIM-3 was identified in the patient's blood-derived DNA, while being absent in DNA derived from the skin. TIM-3 expression was much decreased in the patient's serum, and in vitro-activated patient-derived T cells expressed reduced TIM-3 levels. In contrast, T cell-intrinsic CD25 expression and production of inflammatory cytokines were preserved. TIM-3 expression was barely detectable in the immune cells of the patient's intestinal mucosa, while being detected unambiguously in the inflamed and non-inflamed colon from unrelated individuals. In conclusion, we report the first case of acquired, "transplanted" insufficiency of the regulatory TIM-3 checkpoint linked to post-aSCT IBD.
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Affiliation(s)
- Adrian Baldrich
- Immunodeficiency Laboratory, Department of Biomedicine, University of Basel, Basel, Switzerland
| | - Dominic Althaus
- Gastroenterology and Hepatology, University Center for Gastrointestinal and Liver Diseases, Clarunis, Basel, Switzerland
| | - Thomas Menter
- Pathology, Institute of Medical Genetics and Pathology, University Hospital Basel, University of Basel, Basel, Switzerland
| | - Julia R Hirsiger
- Translational Immunology, Department of Biomedicine, University Hospital, Basel, Switzerland
| | - Julius Köppen
- Immunodeficiency Laboratory, Department of Biomedicine, University of Basel, Basel, Switzerland
| | - Robin Hupfer
- Immunodeficiency Laboratory, Department of Biomedicine, University of Basel, Basel, Switzerland
| | - Darius Juskevicius
- Molecular Diagnostics, Laboratory Medicine, University Hospital Basel, Basel, Switzerland
| | - Martina Konantz
- Allergy and Immunity Laboratory, Department of Biomedicine, University Hospital Basel and University of Basel, Basel, Switzerland
| | - Angela Bosch
- Translational Diabetes, Department of Biomedicine, University Hospital, Basel, Switzerland
| | - Beatrice Drexler
- Division of Hematology, University Hospital Basel, Basel, Switzerland
| | - Sabine Gerull
- Department of Oncology and Hematology, Kantonsspital Aarau, Aarau, Switzerland
| | - Adhideb Ghosh
- Competence Center for Personalized Medicine, University of Zürich/Eidgenössische Technische Hochschule (ETH), Zurich, Switzerland
| | - Benedikt J Meyer
- Immunodeficiency Laboratory, Department of Biomedicine, University of Basel, Basel, Switzerland
- Division of Hematology, University Hospital Basel, Basel, Switzerland
| | - Annaise Jauch
- Immunodeficiency Laboratory, Department of Biomedicine, University of Basel, Basel, Switzerland
| | - Katia Pini
- Immunodeficiency Laboratory, Department of Biomedicine, University of Basel, Basel, Switzerland
| | - Fabio Poletti
- Immunodeficiency Laboratory, Department of Biomedicine, University of Basel, Basel, Switzerland
| | - Caroline M Berkemeier
- Division Medical Immunology, Laboratory Medicine, University Hospital Basel, Basel, Switzerland
| | - Ingmar Heijnen
- Division Medical Immunology, Laboratory Medicine, University Hospital Basel, Basel, Switzerland
| | - Isabelle Panne
- Gastroenterology and Hepatology, University Center for Gastrointestinal and Liver Diseases, Clarunis, Basel, Switzerland
| | - Claudia Cavelti-Weder
- Translational Diabetes, Department of Biomedicine, University Hospital, Basel, Switzerland
- Department of Endocrinology, Diabetology and Clinical Nutrition, University Hospital Zurich (USZ) and University of Zurich (UZH), Zurich, Switzerland
| | - Jan Hendrik Niess
- Gastroenterology and Hepatology, University Center for Gastrointestinal and Liver Diseases, Clarunis, Basel, Switzerland
| | - Karen Dixon
- Cancer Immunology, Department of Biomedicine, University Hospital Basel and University of Basel, Basel, Switzerland
| | - Thomas Daikeler
- Department of Rheumatology, University Hospital Basel, Basel, Switzerland
- University Center for Immunology, University Hospital Basel, Petersgraben 4, 4031, Basel, Switzerland
| | - Karin Hartmann
- Allergy and Immunity Laboratory, Department of Biomedicine, University Hospital Basel and University of Basel, Basel, Switzerland
- Division of Allergy, Department of Dermatology, University Hospital Basel and University of Basel, Basel, Switzerland
| | - Christoph Hess
- Immunobiology Laboratory, Department of Biomedicine, University Basel Hospital, Basel, Switzerland
- Department of Medicine, Cambridge Institute of Therapeutic Immunology & Infectious Disease, University of Cambridge, Cambridge, UK
- University Center for Immunology, University Hospital Basel, Petersgraben 4, 4031, Basel, Switzerland
| | - Jörg Halter
- Division of Hematology, University Hospital Basel, Basel, Switzerland
| | - Jakob Passweg
- Division of Hematology, University Hospital Basel, Basel, Switzerland
| | | | - Hiroyuki Yamamoto
- Immunodeficiency Laboratory, Department of Biomedicine, University of Basel, Basel, Switzerland
- Research Group 2, AIDS Research Center, National Institute of Infectious Diseases, Tokyo, Japan
| | - Christoph T Berger
- Translational Immunology, Department of Biomedicine, University Hospital, Basel, Switzerland
- University Center for Immunology, University Hospital Basel, Petersgraben 4, 4031, Basel, Switzerland
| | - Mike Recher
- Immunodeficiency Laboratory, Department of Biomedicine, University of Basel, Basel, Switzerland.
- University Center for Immunology, University Hospital Basel, Petersgraben 4, 4031, Basel, Switzerland.
| | - Petr Hruz
- Gastroenterology and Hepatology, University Center for Gastrointestinal and Liver Diseases, Clarunis, Basel, Switzerland.
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2
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Leppä AM, Grimes K, Jeong H, Boch T, Karpova D, Jauch A, Grünschläger F, Dolnik A, Bullinger L, Krämer A, Sanders AD, Korbel JO, Trumpp A. S123: DECODING TRANSCRIPTOMIC AND EPIGENETIC CONSEQUENCES OF STRUCTURAL VARIANTS IN CK-AML AT SINGLE-CELL RESOLUTION. Hemasphere 2022. [DOI: 10.1097/01.hs9.0000843384.07955.cd] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022] Open
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3
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Kaiser HJ, Graf T, Krejci G, Mathis GA, Jauch A, Flammer J. A New Angiotensin-Ll- Receptor Blocker, Cgp 48933: Local Tolerance and Effect on Intraocular Pressure. A Pilot Study. Eur J Ophthalmol 2018; 7:35-9. [PMID: 9101193 DOI: 10.1177/112067219700700107] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
Abstract
CGP 48933, a new angiotensin-II-receptor antagonist, has been shown to lower intraocular pressure (IOP) in two different rabbit glaucoma models in a dose-dependent manner after local application. As a further step a pilot study was performed in human eyes. The trial consisted of three parts. Parts 1 and 2 comprised a double-masked intraindividual trial between CGP 48933 and its vehicle (saline) in five healthy volunteers (Part 1) and five patients with early stages of primary open-angle glaucoma (Part 2), to assess local tolerance and the effect on IOP. Part 3 was a single-masked intraindividual trial between CGP 48933 and saline, to find the effective dose range of the new compound. Local tolerance was assessed as excellent in all subjects. No conjunctival hyperemia burning or itching occurred. There were no significant changes in IOP from baseline in drug or vehicle-treated eyes. In addition, there was no dose-dependent (200 micrograms to 1 mg) effect of CGP 48933 on IOP. Systemic blood pressure, heart rate and pupil size did not change during the observation period. Topical application of CGP 48933 in its present formulation is thus not suitable for lowering IOP in humans.
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Affiliation(s)
- H J Kaiser
- University Eye Clinic Basel, Switzerland
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4
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Marquardsen FA, Baldin F, Wunderer F, Al-Herz W, Mikhael R, Lefranc G, Baz Z, Rezaee F, Hanna R, Kfir-Erenfeld S, Stepensky P, Meyer B, Jauch A, Bigler MB, Burgener AV, Higgins R, Navarini AA, Church JA, Chou J, Geha R, Notarangelo LD, Hess C, Berger CT, Bloch DB, Recher M. Detection of Sp110 by Flow Cytometry and Application to Screening Patients for Veno-occlusive Disease with Immunodeficiency. J Clin Immunol 2017; 37:707-714. [PMID: 28825155 DOI: 10.1007/s10875-017-0431-5] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/15/2017] [Accepted: 08/03/2017] [Indexed: 01/01/2023]
Abstract
Mutations in Sp110 are the underlying cause of veno-occlusive disease with immunodeficiency (VODI), a combined immunodeficiency that is difficult to treat and often fatal. Because early treatment is critically important for patients with VODI, broadly usable diagnostic tools are needed to detect Sp110 protein deficiency. Several factors make establishing the diagnosis of VODI challenging: (1) Current screening strategies to identify severe combined immunodeficiency are based on measuring T cell receptor excision circles (TREC). This approach will fail to identify VODI patients because the disease is not associated with severe T cell lymphopenia at birth; (2) the SP110 gene contains 17 exons, making it a challenge for Sanger sequencing. The recently developed next-generation sequencing (NGS) platforms that can rapidly determine the sequence of all 17 exons are available in only a few laboratories; (3) there is no standard functional assay to test for the effects of novel mutations in Sp110; and (4) it has been difficult to use flow cytometry to identify patients who lack Sp110 because of the low level of Sp110 protein in peripheral blood lymphocytes. We report here a novel flow cytometric assay that is easily performed in diagnostic laboratories and might thus become a standard assay for the evaluation of patients who may have VODI. In addition, the assay will facilitate investigations directed at understanding the function of Sp110.
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Affiliation(s)
- Florian A Marquardsen
- Immunodeficiency Laboratory, Department of Biomedicine, Basel University Hospital, Basel, Switzerland
| | - Fabian Baldin
- Immunodeficiency Laboratory, Department of Biomedicine, Basel University Hospital, Basel, Switzerland
| | - Florian Wunderer
- Anesthesia Center for Critical Care Research of the Department of Anesthesia, Critical Care, and Pain Medicine, Harvard Medical School and Massachusetts General Hospital, Massachusetts, MA, 02114, USA
| | - Waleed Al-Herz
- Department of Pediatrics, Faculty of Medicine, Kuwait University, Kuwait City, Kuwait
| | - Raymond Mikhael
- Pediatrics Department, Hotel-Dieu Hospital, St Joseph University, Beirut, Lebanon
| | - Gérard Lefranc
- Institute of Human Genetics, UMR 9002 CNRS-University of Montpellier, 34095, Montpellier Cedex 5, France
| | - Zeina Baz
- Saint George Hospital, University Medical Center, Beirut, Lebanon
| | - Fariba Rezaee
- Center for Pediatric Pulmonary Medicine, Cleveland Clinic, Cleveland, OH, USA
| | - Rabi Hanna
- Pediatric Hematology Oncology and Blood and Marrow Transplantation, Cleveland Clinic, Cleveland, OH, USA
| | | | - Polina Stepensky
- Bone Marrow Transplantation Department, Hadassah Hospital, Jerusalem, Israel
| | - Benedikt Meyer
- Immunodeficiency Laboratory, Department of Biomedicine, Basel University Hospital, Basel, Switzerland
| | - Annaise Jauch
- Immunodeficiency Laboratory, Department of Biomedicine, Basel University Hospital, Basel, Switzerland
| | - Marc B Bigler
- Immune Deficiency Genetics Section, Laboratory of Host Defenses, National Institute of Allergy and Infectious Diseases, National Institutes of Health, Bethesda, MD, USA
| | - Anne-Valérie Burgener
- Immunobiology Laboratory, Department of Biomedicine, University Hospital of Basel, Basel, Switzerland
| | - Rebecca Higgins
- Department of Dermatology, University Hospital Zurich, Zurich, Switzerland
| | | | - Joeseph A Church
- Division of Clinical Immunology and Allergy, Children's Hospital Los Angeles, Keck School of Medicine of University Southern California, Los Angeles, CA, USA
| | - Janet Chou
- Division of Immunology, Children's Hospital Boston, Boston, MA, USA
| | - Raif Geha
- Division of Immunology, Children's Hospital Boston, Boston, MA, USA
| | - Luigi D Notarangelo
- Immune Deficiency Genetics Section, Laboratory of Host Defenses, National Institute of Allergy and Infectious Diseases, National Institutes of Health, Bethesda, MD, USA
| | - Christoph Hess
- Immunobiology Laboratory, Department of Biomedicine, University Hospital of Basel, Basel, Switzerland
| | - Christoph T Berger
- Translational Immunology, Department of Biomedicine, University Hospital of Basel, Basel, Switzerland
| | - Donald B Bloch
- Anesthesia Center for Critical Care Research of the Department of Anesthesia, Critical Care, and Pain Medicine, Harvard Medical School and Massachusetts General Hospital, Massachusetts, MA, 02114, USA.,Division of Rheumatology, Allergy and Immunology, Department of Medicine, Harvard Medical School and Massachusetts General Hospital, Boston, MA, USA
| | - Mike Recher
- Immunodeficiency Laboratory, Department of Biomedicine, Basel University Hospital, Basel, Switzerland.
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5
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Goldschmidt H, Lokhorst HM, Mai EK, van der Holt B, Blau IW, Zweegman S, Weisel KC, Vellenga E, Pfreundschuh M, Kersten MJ, Scheid C, Croockewit S, Raymakers R, Hose D, Potamianou A, Jauch A, Hillengass J, Stevens-Kroef M, Raab MS, Broijl A, Lindemann HW, Bos GMJ, Brossart P, van Marwijk Kooy M, Ypma P, Duehrsen U, Schaafsma RM, Bertsch U, Hielscher T, Jarari L, Salwender HJ, Sonneveld P. Bortezomib before and after high-dose therapy in myeloma: long-term results from the phase III HOVON-65/GMMG-HD4 trial. Leukemia 2017; 32:383-390. [PMID: 28761118 DOI: 10.1038/leu.2017.211] [Citation(s) in RCA: 133] [Impact Index Per Article: 19.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/18/2017] [Revised: 06/10/2017] [Accepted: 06/20/2017] [Indexed: 12/16/2022]
Abstract
The Dutch-Belgian Cooperative Trial Group for Hematology Oncology Group-65/German-speaking Myeloma Multicenter Group-HD4 (HOVON-65/GMMG-HD4) phase III trial compared bortezomib (BTZ) before and after high-dose melphalan and autologous stem cell transplantation (HDM, PAD arm) compared with classical cytotoxic agents prior and thalidomide after HDM (VAD arm) in multiple myeloma (MM) patients aged 18-65 years. Here, the long-term follow-up and data on second primary malignancies (SPM) are presented. After a median follow-up of 96 months, progression-free survival (censored at allogeneic transplantation, PFS) remained significantly prolonged in the PAD versus VAD arm (hazard ratio (HR)=0.76, 95% confidence interval (95% CI) of 0.65-0.89, P=0.001). Overall survival (OS) was similar in the PAD versus VAD arm (HR=0.89, 95% CI: 0.74-1.08, P=0.24). The incidence of SPM were similar between the two arms (7% each, P=0.73). The negative prognostic effects of the cytogenetic aberration deletion 17p13 (clone size ⩾10%) and renal impairment at baseline (serum creatinine >2 mg dl-1) on PFS and OS remained abrogated in the PAD but not VAD arm. OS from first relapse/progression was similar between the study arms (HR=1.02, P=0.85). In conclusion, the survival benefit with BTZ induction/maintenance compared with classical cytotoxic agents and thalidomide maintenance is maintained without an increased risk of SPM.
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Affiliation(s)
- H Goldschmidt
- Department of Internal Medicine V, University Clinic Heidelberg, Heidelberg, Germany.,National Center for Tumor Diseases (NCT), University Clinic Heidelberg, Heidelberg, Germany
| | - H M Lokhorst
- Department of Hematology, VU University Medical Center, Amsterdam, The Netherlands
| | - E K Mai
- Department of Internal Medicine V, University Clinic Heidelberg, Heidelberg, Germany
| | - B van der Holt
- HOVON Data Center, Department of Hematology, Erasmus MC Cancer Center, Rotterdam, The Netherlands
| | - I W Blau
- Internal Medicine, Charité University Medicine Berlin, Berlin, Germany
| | - S Zweegman
- Department of Hematology, VU University Medical Center, Cancer Center Amsterdam, Amsterdam, The Netherlands
| | - K C Weisel
- Department of Hematology, Oncology, Immunology, Rheumatology and Pulmonology, University Hospital of Tuebingen, Tuebingen, Germany
| | - E Vellenga
- Department of Hematology, University Medical Center Groningen, Groningen, The Netherlands
| | - M Pfreundschuh
- Department of Hematology and Oncology, University Clinic of Saarland, Homburg, Germany
| | - M J Kersten
- Hematology, Academic Medical Center, Amsterdam, The Netherlands
| | - C Scheid
- Department I of Internal Medicine and Center of Integrated Oncology Cologne Bonn, University of Cologne, Cologne, Germany
| | - S Croockewit
- Deptartment of Hematology, Radboud University Medical Center, Nijmegen, The Netherlands
| | - R Raymakers
- Department of Hematology, University Medical Center Utrecht, Utrecht, The Netherlands
| | - D Hose
- Department of Internal Medicine V, University Clinic Heidelberg, Heidelberg, Germany
| | | | - A Jauch
- Institute of Human Genetics, University of Heidelberg, Heidelberg, Germany
| | - J Hillengass
- Department of Internal Medicine V, University Clinic Heidelberg, Heidelberg, Germany
| | - M Stevens-Kroef
- Laboratorium Tumor Genetica, Radboud University Medical Centre, Nijmegen,The Netherlands
| | - M S Raab
- Department of Internal Medicine V, University Clinic Heidelberg, Heidelberg, Germany
| | - A Broijl
- Department of Hematology, Erasmus MC Cancer Institute, Rotterdam, The Netherlands
| | - H W Lindemann
- Klinik für Hämatologie/Onkologie, Kath. Krankenhaus Hagen gem. GmbH - St-Marien-Hospital, Hagen, Germany
| | - G M J Bos
- Deptartment of Internal Medicine, University Hospital Maastricht, Maastricht, The Netherlands
| | - P Brossart
- Internal Medicine III, Oncology, Hematology and Rheumatology, University Clinic Bonn, Bonn, Germany
| | | | - P Ypma
- Department of Hematology, Haga Hospital, The Hague, The Netherlands
| | - U Duehrsen
- Department of Hematology, University Hospital Essen, Essen, Germany
| | - R M Schaafsma
- Department of Hematology, Medisch Spectrum Twente, Enschede, The Netherlands
| | - U Bertsch
- Department of Internal Medicine V, University Clinic Heidelberg, Heidelberg, Germany
| | - T Hielscher
- Division of Biostatistics, German Cancer Research Center (DKFZ) Heidelberg, Heidelberg, Germany
| | - Le Jarari
- HOVON Datacenter, Erasmus MC Cancer Institute, Rotterdam, The Netherlands
| | - H J Salwender
- Department of Hematology and Oncology, Asklepios Hospital Hamburg Altona, Hamburg, Germany
| | - P Sonneveld
- Department of Hematology, Erasmus MC Cancer Institute, Rotterdam, The Netherlands
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6
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Huhn S, Weinhold N, Nickel J, Pritsch M, Hielscher T, Hummel M, Bertsch U, Huegle-Doerr B, Vogel M, Angermund R, Hänel M, Salwender HJ, Weisel K, Dürig J, Görner M, Kirchner H, Peter N, Graeven U, Lordick F, Hoffmann M, Reimer P, Blau IW, Jauch A, Dembowsky K, Möhler T, Wuchter P, Goldschmidt H. Circulating tumor cells as a biomarker for response to therapy in multiple myeloma patients treated within the GMMG-MM5 trial. Bone Marrow Transplant 2017; 52:1194-1198. [PMID: 28504661 PMCID: PMC5543255 DOI: 10.1038/bmt.2017.91] [Citation(s) in RCA: 21] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/19/2022]
Affiliation(s)
- S Huhn
- Department of Internal Medicine V, Heidelberg University Hospital, Heidelberg, Germany
| | - N Weinhold
- Department of Internal Medicine V, Heidelberg University Hospital, Heidelberg, Germany.,Myeloma Institute, University of Arkansas for Medical Sciences, Little Rock, AR, USA
| | - J Nickel
- Department of Internal Medicine V, Heidelberg University Hospital, Heidelberg, Germany
| | - M Pritsch
- Department of Internal Medicine V, Heidelberg University Hospital, Heidelberg, Germany
| | - T Hielscher
- Division of Biostatistics, German Cancer Research Center, Heidelberg, Germany
| | - M Hummel
- Division of Biostatistics, German Cancer Research Center, Heidelberg, Germany
| | - U Bertsch
- Department of Internal Medicine V, Heidelberg University Hospital, Heidelberg, Germany.,National Center for Tumor Diseases Heidelberg, Heidelberg, Germany
| | - B Huegle-Doerr
- Department of Internal Medicine V, Heidelberg University Hospital, Heidelberg, Germany
| | - M Vogel
- Janssen-Cilag, Neuss, Germany
| | | | - M Hänel
- Department of Internal Medicine III, Klinikum Chemnitz gGmbH, Chemnitz, Germany
| | - H J Salwender
- Department of Hematology/Oncology, Asklepios Klinik Altona, Hamburg, Germany
| | - K Weisel
- Department of Internal Medicine II-Hematology and Oncology, Eberhard-Karls-University Tübingen, Tübingen, Germany
| | - J Dürig
- Department of Hematology, University Hospital Essen, Essen, Germany
| | - M Görner
- Department of Hematology, Oncology and Palliative Care, Community Hospital Bielefeld, Bielefeld, Germany
| | - H Kirchner
- Medical Clinic III Hematology and Oncology, Städt. Krankenhaus Siloah, Hannover, Germany
| | - N Peter
- 2nd Medical Department, Academic Teaching Hospital of the Charité, Carl-Thiem-Klinikum Cottbus, Cottbus, Germany
| | - U Graeven
- Hematology, Oncology and Gastroenterology, Maria-Hilf-Krankenhaus, Mönchengladbach, Germany
| | - F Lordick
- 3rd Medical Department, Haematology and Oncology, Klinikum Braunschweig, Braunschweig, Germany.,University Cancer Center Leipzig (UCCL), University Medical Center Leipzig, Leipzig, Germany
| | - M Hoffmann
- Medical Clinic A, Klinikum der Stadt Ludwigshafen gGmbH, Ludwigshafen am Rhein, Germany
| | - P Reimer
- Hematology, Oncology and Stem Cell Transplantation, Evangelisches Krankenhaus Essen-Werden gGmbH, Essen, Germany
| | - I W Blau
- Medical Clinic III Hematology and Oncology, Charité University Medicine Berlin, Berlin, Germany
| | - A Jauch
- Institute of Human Genetics, University of Heidelberg, Heidelberg, Germany
| | | | - T Möhler
- Department of Internal Medicine V, Heidelberg University Hospital, Heidelberg, Germany.,inVentiv Health, Boston, MA, USA
| | - P Wuchter
- Department of Internal Medicine V, Heidelberg University Hospital, Heidelberg, Germany.,Institute of Transfusion Medicine and Immunology, German Red Cross Blood Service Baden-Württemberg-Hessen, Medical Faculty Mannheim, Heidelberg University, Heidelberg, Germany
| | - H Goldschmidt
- Department of Internal Medicine V, Heidelberg University Hospital, Heidelberg, Germany.,National Center for Tumor Diseases Heidelberg, Heidelberg, Germany
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7
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Ratnaparkhe M, Hlevnjak M, Kolb T, Jauch A, Maass KK, Devens F, Rode A, Hovestadt V, Korshunov A, Pastorczak A, Mlynarski W, Sungalee S, Korbel J, Hoell J, Fischer U, Milde T, Kramm C, Nathrath M, Chrzanowska K, Tausch E, Takagi M, Taga T, Constantini S, Loeffen J, Meijerink J, Zielen S, Gohring G, Schlegelberger B, Maass E, Siebert R, Kunz J, Kulozik AE, Worst B, Jones DT, Pfister SM, Zapatka M, Lichter P, Ernst A. Genomic profiling of Acute lymphoblastic leukemia in ataxia telangiectasia patients reveals tight link between ATM mutations and chromothripsis. Leukemia 2017; 31:2048-2056. [PMID: 28196983 DOI: 10.1038/leu.2017.55] [Citation(s) in RCA: 41] [Impact Index Per Article: 5.9] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/03/2016] [Revised: 01/17/2017] [Accepted: 02/02/2017] [Indexed: 12/28/2022]
Abstract
Recent developments in sequencing technologies led to the discovery of a novel form of genomic instability, termed chromothripsis. This catastrophic genomic event, involved in tumorigenesis, is characterized by tens to hundreds of simultaneously acquired locally clustered rearrangements on one chromosome. We hypothesized that leukemias developing in individuals with Ataxia Telangiectasia, who are born with two mutated copies of the ATM gene, an essential guardian of genome stability, would show a higher prevalence of chromothripsis due to the associated defect in DNA double-strand break repair. Using whole-genome sequencing, fluorescence in situ hybridization and RNA sequencing, we characterized the genomic landscape of Acute Lymphoblastic Leukemia (ALL) arising in patients with Ataxia Telangiectasia. We detected a high frequency of chromothriptic events in these tumors, specifically on acrocentric chromosomes, as compared with tumors from individuals with other types of DNA repair syndromes (27 cases total, 10 with Ataxia Telangiectasia). Our data suggest that the genomic landscape of Ataxia Telangiectasia ALL is clearly distinct from that of sporadic ALL. Mechanistically, short telomeres and compromised DNA damage response in cells of Ataxia Telangiectasia patients may be linked with frequent chromothripsis. Furthermore, we show that ATM loss is associated with increased chromothripsis prevalence in additional tumor entities.
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Affiliation(s)
- M Ratnaparkhe
- Division of Molecular Genetics, German Cancer Consortium (DKTK), German Cancer Research Center (DKFZ), Heidelberg, Germany
| | - M Hlevnjak
- Division of Molecular Genetics, German Cancer Consortium (DKTK), German Cancer Research Center (DKFZ), Heidelberg, Germany
| | - T Kolb
- Division of Molecular Genetics, German Cancer Consortium (DKTK), German Cancer Research Center (DKFZ), Heidelberg, Germany
| | - A Jauch
- Institute of Human Genetics, University Heidelberg, Heidelberg, Germany
| | - K K Maass
- Division of Molecular Genetics, German Cancer Consortium (DKTK), German Cancer Research Center (DKFZ), Heidelberg, Germany
| | - F Devens
- Division of Molecular Genetics, German Cancer Consortium (DKTK), German Cancer Research Center (DKFZ), Heidelberg, Germany
| | - A Rode
- Division of Molecular Genetics, German Cancer Consortium (DKTK), German Cancer Research Center (DKFZ), Heidelberg, Germany
| | - V Hovestadt
- Division of Molecular Genetics, German Cancer Consortium (DKTK), German Cancer Research Center (DKFZ), Heidelberg, Germany
| | - A Korshunov
- Clinical Cooperation Unit Neuropathology, German Cancer Research Center (DKFZ), and Department of Neuropathology University Hospital, Heidelberg, Germany
| | - A Pastorczak
- Department of Pediatrics, Oncology, Hematology and Diabetology, Medical University of Lodz, Lodz, Poland
| | - W Mlynarski
- Department of Pediatrics, Oncology, Hematology and Diabetology, Medical University of Lodz, Lodz, Poland
| | - S Sungalee
- EMBL Heidelberg, Genome Biology, Heidelberg, Germany
| | - J Korbel
- EMBL Heidelberg, Genome Biology, Heidelberg, Germany
| | - J Hoell
- Department of Pediatric Oncology, Hematology and Clinical Immunology, Heinrich-Heine-University, Medical Faculty, Düsseldorf, Germany
| | - U Fischer
- Department of Pediatric Oncology, Hematology and Clinical Immunology, Heinrich-Heine-University, Medical Faculty, Düsseldorf, Germany
| | - T Milde
- Clinical Cooperation Unit Pediatric Oncology, German Cancer Research Center (DKFZ), Heidelberg, Germany.,Department of Pediatric Oncology, Hematology and Immunology, University of Heidelberg, Germany
| | - C Kramm
- Department of Pediatric Oncology, University of Halle, Halle, Germany.,Division of Pediatric Hematology and Oncology, Goettingen, Germany
| | - M Nathrath
- Clinical Cooperation Group Osteosarcoma, Pediatric Oncology Center, Department of Pediatrics, Technical University Munich, Munich, Germany.,Department of Pediatric Oncology, Klinikum Kassel, Kassel, Germany
| | - K Chrzanowska
- Department of Medical Genetics, The Children's Memorial Health Institute, Warsaw, Poland
| | - E Tausch
- Department of Internal Medicine III, University of Ulm, Germany
| | - M Takagi
- Department of Pediatrics and Developmental Biology, Tokyo Medical and Dental University, Tokyo, Japan
| | - T Taga
- Department of Pediatrics, Shiga University of Medical Science, Otsu, Japan
| | - S Constantini
- Department of Pediatric Neurosurgery, Dana Children's Hospital, Tel-Aviv Medical Center, Tel-Aviv University, Tel Aviv, Israel
| | - J Loeffen
- Erasmus Medical Center - Sophia Children's Hospital, Rotterdam, The Netherlands
| | - J Meijerink
- Princess Máxima Center for Pediatric Oncology, Utrecht, The Netherlands
| | - S Zielen
- Department of Paediatric Pulmonology, Allergy and Cystic Fibrosis, Children's Hospital, Goethe-University, Frankfurt, Germany
| | - G Gohring
- Institute of Human Genetics, Hannover Medical School, Hannover, Germany
| | - B Schlegelberger
- Institute of Human Genetics, Hannover Medical School, Hannover, Germany
| | - E Maass
- Olgahospital Stuttgart, Children's Hospital, Klinikum Stuttgart, Stuttgart, Germany
| | - R Siebert
- Institute of Human Genetics, University Hospital Schleswig-Holstein Campus Kiel/Christian-Albrechts University Kiel, Germany
| | - J Kunz
- Department of Pediatric Oncology, Hematology and Immunology, University of Heidelberg, Germany
| | - A E Kulozik
- Department of Pediatric Oncology, Hematology and Immunology, University of Heidelberg, Germany
| | - B Worst
- Department of Pediatric Oncology, Hematology and Immunology, University of Heidelberg, Germany.,Division of Pediatric Neurooncology, German Cancer Consortium (DKTK), German Cancer Research Center (DKFZ), Heidelberg, Germany
| | - D T Jones
- Department of Pediatric Oncology, Hematology and Immunology, University of Heidelberg, Germany.,Division of Pediatric Neurooncology, German Cancer Consortium (DKTK), German Cancer Research Center (DKFZ), Heidelberg, Germany
| | - S M Pfister
- Department of Pediatric Oncology, Hematology and Immunology, University of Heidelberg, Germany.,Division of Pediatric Neurooncology, German Cancer Consortium (DKTK), German Cancer Research Center (DKFZ), Heidelberg, Germany
| | - M Zapatka
- Division of Molecular Genetics, German Cancer Consortium (DKTK), German Cancer Research Center (DKFZ), Heidelberg, Germany
| | - P Lichter
- Division of Molecular Genetics, German Cancer Consortium (DKTK), German Cancer Research Center (DKFZ), Heidelberg, Germany
| | - A Ernst
- Division of Molecular Genetics, German Cancer Consortium (DKTK), German Cancer Research Center (DKFZ), Heidelberg, Germany
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8
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da Silva Filho MI, Försti A, Weinhold N, Meziane I, Campo C, Huhn S, Nickel J, Hoffmann P, Nöthen MM, Jöckel KH, Landi S, Mitchell JS, Johnson D, Morgan GJ, Houlston R, Goldschmidt H, Jauch A, Milani P, Merlini G, Rowcieno D, Hawkins P, Hegenbart U, Palladini G, Wechalekar A, Schönland SO, Hemminki K. Genome-wide association study of immunoglobulin light chain amyloidosis in three patient cohorts: comparison with myeloma. Leukemia 2016; 31:1735-1742. [PMID: 28025584 DOI: 10.1038/leu.2016.387] [Citation(s) in RCA: 30] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/14/2016] [Revised: 10/28/2016] [Accepted: 11/30/2016] [Indexed: 01/27/2023]
Abstract
Immunoglobulin light chain (AL) amyloidosis is characterized by tissue deposition of amyloid fibers derived from immunoglobulin light chain. AL amyloidosis and multiple myeloma (MM) originate from monoclonal gammopathy of undetermined significance. We wanted to characterize germline susceptibility to AL amyloidosis using a genome-wide association study (GWAS) on 1229 AL amyloidosis patients from Germany, UK and Italy, and 7526 healthy local controls. For comparison with MM, recent GWAS data on 3790 cases were used. For AL amyloidosis, single nucleotide polymorphisms (SNPs) at 10 loci showed evidence of an association at P<10-5 with homogeneity of results from the 3 sample sets; some of these were previously documented to influence MM risk, including the SNP at the IRF4 binding site. In AL amyloidosis, rs9344 at the splice site of cyclin D1, promoting translocation (11;14), reached the highest significance, P=7.80 × 10-11; the SNP was only marginally significant in MM. SNP rs79419269 close to gene SMARCD3 involved in chromatin remodeling was also significant (P=5.2 × 10-8). These data provide evidence for common genetic susceptibility to AL amyloidosis and MM. Cyclin D1 is a more prominent driver in AL amyloidosis than in MM, but the links to aggregation of light chains need to be demonstrated.
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Affiliation(s)
- M I da Silva Filho
- Division of Molecular Genetic Epidemiology, German Cancer Research Center (DKFZ), Heidelberg, Germany
| | - A Försti
- Division of Molecular Genetic Epidemiology, German Cancer Research Center (DKFZ), Heidelberg, Germany.,Center for Primary Health Care Research, Lund University, Malmo, Sweden
| | - N Weinhold
- Department of Internal Medicine V, University of Heidelberg, Heidelberg, Germany.,Myeloma Institute, University of Arkansas for Medical Sciences, Little Rock, AR, USA
| | - I Meziane
- Division of Molecular Genetic Epidemiology, German Cancer Research Center (DKFZ), Heidelberg, Germany
| | - C Campo
- Division of Molecular Genetic Epidemiology, German Cancer Research Center (DKFZ), Heidelberg, Germany
| | - S Huhn
- Department of Internal Medicine V, University of Heidelberg, Heidelberg, Germany
| | - J Nickel
- Department of Internal Medicine V, University of Heidelberg, Heidelberg, Germany
| | - P Hoffmann
- Institute of Human Genetics, University of Bonn, Bonn, Germany.,Department of Biomedicine, University of Basel, Basel, Switzerland
| | - M M Nöthen
- Institute of Human Genetics, University of Bonn, Bonn, Germany.,Department of Genomics, Life and Brain Research Center, University of Bonn, Bonn, Germany
| | - K-H Jöckel
- Institute for Medical Informatics, Biometry and Epidemiology, University Hospital Essen, University of Duisburg-Essen, Germany
| | - S Landi
- Department of Biology, University of Pisa, Pisa, Italy
| | - J S Mitchell
- Division of Genetics and Epidemiology, The Institute of Cancer Research, Surrey, UK
| | - D Johnson
- Division of Molecular Pathology, The Institute of Cancer Research, Surrey, UK
| | - G J Morgan
- Myeloma Institute, University of Arkansas for Medical Sciences, Little Rock, AR, USA
| | - R Houlston
- Division of Genetics and Epidemiology, The Institute of Cancer Research, Surrey, UK.,Division of Molecular Pathology, The Institute of Cancer Research, Surrey, UK
| | - H Goldschmidt
- Department of Internal Medicine V, University of Heidelberg, Heidelberg, Germany.,National Centre of Tumor Diseases, Heidelberg, Germany
| | - A Jauch
- Institute of Human Genetics, University of Heidelberg, Heidelberg, Germany
| | - P Milani
- Department of Molecular Medicine, Amyloidosis Research and Treatment Center, Foundation 'Istituto di Ricovero e Cura a Carattere Scientifico (IRCCS) Policlinico San Matteo', University of Pavia, Pavia, Italy
| | - G Merlini
- Department of Molecular Medicine, Amyloidosis Research and Treatment Center, Foundation 'Istituto di Ricovero e Cura a Carattere Scientifico (IRCCS) Policlinico San Matteo', University of Pavia, Pavia, Italy
| | - D Rowcieno
- National Amyloidosis Centre, University College London Medical School, London UK
| | - P Hawkins
- National Amyloidosis Centre, University College London Medical School, London UK
| | - U Hegenbart
- Department of Internal Medicine V, University of Heidelberg, Heidelberg, Germany
| | - G Palladini
- Department of Molecular Medicine, Amyloidosis Research and Treatment Center, Foundation 'Istituto di Ricovero e Cura a Carattere Scientifico (IRCCS) Policlinico San Matteo', University of Pavia, Pavia, Italy
| | - A Wechalekar
- National Amyloidosis Centre, University College London Medical School, London UK
| | - S O Schönland
- Department of Internal Medicine V, University of Heidelberg, Heidelberg, Germany
| | - K Hemminki
- Division of Molecular Genetic Epidemiology, German Cancer Research Center (DKFZ), Heidelberg, Germany.,Center for Primary Health Care Research, Lund University, Malmo, Sweden
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9
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Navarini AA, Hruz P, Berger CT, Hou TZ, Schwab C, Gabrysch A, Higgins R, Frede N, Padberg Sgier BC, Kämpe O, Burgener AV, Marquardsen F, Baldin F, Bigler M, Kistner A, Jauch A, Bignucolo O, Meyer B, Meienberg F, Mehling M, Jeker LT, Heijnen I, Daikeler TD, Gebbers JO, Grimbacher B, Sansom DM, Jeker R, Hess C, Recher M. Vedolizumab as a successful treatment of CTLA-4-associated autoimmune enterocolitis. J Allergy Clin Immunol 2016; 139:1043-1046.e5. [PMID: 27908448 DOI: 10.1016/j.jaci.2016.08.042] [Citation(s) in RCA: 20] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/24/2015] [Revised: 07/04/2016] [Accepted: 08/11/2016] [Indexed: 01/24/2023]
Affiliation(s)
| | - Petr Hruz
- Gastroenterology, University Hospital, Basel, Switzerland
| | - Christoph T Berger
- Translational Immunology, Department of Biomedicine, University Hospital, Basel, Switzerland
| | - Tie Zheng Hou
- Institute of Immunity and Transplantation, University College London, Royal Free Campus, London, United Kingdom
| | - Charlotte Schwab
- Center for Chronic Immunodeficiency, Medical Center-Faculty of Medicine, University of Freiburg, Freiburg, Germany
| | - Annemarie Gabrysch
- Center for Chronic Immunodeficiency, Medical Center-Faculty of Medicine, University of Freiburg, Freiburg, Germany
| | - Rebecca Higgins
- Department of Dermatology, University Hospital, Zurich, Switzerland
| | - Natalie Frede
- Center for Chronic Immunodeficiency, Medical Center-Faculty of Medicine, University of Freiburg, Freiburg, Germany
| | | | - Olle Kämpe
- Department of Medicine (Solna), Karolinska Institutet, Stockholm, Sweden; Science for Life Laboratory, Department of Medical Sciences, Uppsala University, Uppsala, Sweden
| | - Anne-Valérie Burgener
- Immunobiology Lab, Department of Biomedicine, University Hospital, Basel, Switzerland
| | - Florian Marquardsen
- Immunodeficiency Lab, Department of Biomedicine, University Hospital, Basel, Switzerland
| | - Fabian Baldin
- Immunodeficiency Lab, Department of Biomedicine, University Hospital, Basel, Switzerland
| | - Marc Bigler
- Translational Immunology, Department of Biomedicine, University Hospital, Basel, Switzerland
| | - Anne Kistner
- Translational Immunology, Department of Biomedicine, University Hospital, Basel, Switzerland
| | - Annaise Jauch
- Immunodeficiency Lab, Department of Biomedicine, University Hospital, Basel, Switzerland
| | - Olivier Bignucolo
- SIB Swiss Institute of Bioinformatics and Biozentrum, University of Basel, Basel, Switzerland
| | - Benedikt Meyer
- Immunodeficiency Lab, Department of Biomedicine, University Hospital, Basel, Switzerland
| | | | - Matthias Mehling
- Translational Neuroimmunology, Department of Biomedicine, University Hospital, Basel, Switzerland
| | - Lukas T Jeker
- Molecular Immune Regulation, Department of Biomedicine, University Hospital, Basel, Switzerland
| | - Ingmar Heijnen
- Division of Medical Immunology, Laboratory Medicine, University Hospital Basel, Basel, Switzerland
| | | | - Jan-Olaf Gebbers
- Institute of Pathology, Cantonal Hospital Graubünden, Chur, Switzerland
| | - Bodo Grimbacher
- Center for Chronic Immunodeficiency, Medical Center-Faculty of Medicine, University of Freiburg, Freiburg, Germany
| | - David M Sansom
- Institute of Immunity and Transplantation, University College London, Royal Free Campus, London, United Kingdom
| | - Raphael Jeker
- Department of Internal Medicine, Kantonsspital Graubünden, Chur, Switzerland
| | - Christoph Hess
- Immunobiology Lab, Department of Biomedicine, University Hospital, Basel, Switzerland
| | - Mike Recher
- Immunodeficiency Lab, Department of Biomedicine, University Hospital, Basel, Switzerland.
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10
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Blume CJ, Hotz-Wagenblatt A, Hüllein J, Sellner L, Jethwa A, Stolz T, Slabicki M, Lee K, Sharathchandra A, Benner A, Dietrich S, Oakes CC, Dreger P, te Raa D, Kater AP, Jauch A, Merkel O, Oren M, Hielscher T, Zenz T. p53-dependent non-coding RNA networks in chronic lymphocytic leukemia. Leukemia 2015; 29:2015-23. [DOI: 10.1038/leu.2015.119] [Citation(s) in RCA: 127] [Impact Index Per Article: 14.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/02/2015] [Revised: 04/02/2015] [Accepted: 04/30/2015] [Indexed: 12/23/2022]
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11
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Mai EK, Bertsch U, Dürig J, Kunz C, Haenel M, Blau IW, Munder M, Jauch A, Schurich B, Hielscher T, Merz M, Huegle-Doerr B, Seckinger A, Hose D, Hillengass J, Raab MS, Neben K, Lindemann HW, Zeis M, Gerecke C, Schmidt-Wolf IGH, Weisel K, Scheid C, Salwender H, Goldschmidt H. Phase III trial of bortezomib, cyclophosphamide and dexamethasone (VCD) versus bortezomib, doxorubicin and dexamethasone (PAd) in newly diagnosed myeloma. Leukemia 2015; 29:1721-9. [DOI: 10.1038/leu.2015.80] [Citation(s) in RCA: 110] [Impact Index Per Article: 12.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/03/2014] [Revised: 03/12/2015] [Accepted: 03/16/2015] [Indexed: 12/18/2022]
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12
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Weinhold N, Försti A, da Silva Filho MI, Nickel J, Campo C, Hoffmann P, Nöthen MM, Hose D, Goldschmidt H, Jauch A, Langer C, Hegenbart U, Schönland SO, Hemminki K. Immunoglobulin light-chain amyloidosis shares genetic susceptibility with multiple myeloma. Leukemia 2014; 28:2254-6. [DOI: 10.1038/leu.2014.208] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
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13
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Leufke C, Leykauf J, Krunic D, Jauch A, Holtgreve-Grez H, Böhm-Steuer B, Bröcker EB, Mauch C, Utikal J, Hartschuh W, Purdie KJ, Boukamp P. The telomere profile distinguishes two classes of genetically distinct cutaneous squamous cell carcinomas. Oncogene 2013; 33:3506-18. [DOI: 10.1038/onc.2013.323] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/09/2012] [Revised: 05/14/2013] [Accepted: 06/17/2013] [Indexed: 12/12/2022]
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14
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Evers C, Jungwirth M, Morgenthaler J, Hinderhofer K, Maas B, Janssen J, Jauch A, Hehr U, Steinbeisser H, Moog U. Craniofrontonasal syndrome in a male due to chromosomal mosaicism involvingEFNB1: further insights into a genetic paradox. Clin Genet 2013; 85:347-53. [DOI: 10.1111/cge.12171] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/25/2013] [Revised: 04/15/2013] [Accepted: 04/15/2013] [Indexed: 11/30/2022]
Affiliation(s)
- C. Evers
- Institute of Human Genetics; Heidelberg University; Heidelberg Germany
| | - M.S. Jungwirth
- Institute of Human Genetics; Heidelberg University; Heidelberg Germany
| | - J. Morgenthaler
- Institute of Human Genetics; Heidelberg University; Heidelberg Germany
| | - K. Hinderhofer
- Institute of Human Genetics; Heidelberg University; Heidelberg Germany
| | - B. Maas
- Institute of Human Genetics; Heidelberg University; Heidelberg Germany
| | - J.W.G. Janssen
- Institute of Human Genetics; Heidelberg University; Heidelberg Germany
| | - A. Jauch
- Institute of Human Genetics; Heidelberg University; Heidelberg Germany
| | - U. Hehr
- Center for and Department of Human Genetics; University of Regensburg; Regensburg Germany
| | - H. Steinbeisser
- Institute of Human Genetics; Heidelberg University; Heidelberg Germany
| | - U. Moog
- Institute of Human Genetics; Heidelberg University; Heidelberg Germany
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15
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Pfeiffer MJ, Esteves TC, Balbach ST, Arauzo-Bravo MJ, Stehling M, Jauch A, Houghton FD, Boiani M. 26 REPROGRAMMING OF TWO SOMATIC NUCLEI IN THE SAME MOUSE OOPLASM LEADS TO PLURIPOTENT NOT TOTIPOTENT EMBRYOS. Reprod Fertil Dev 2013. [DOI: 10.1071/rdv25n1ab26] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022] Open
Abstract
The use of cloned embryos to derive pluripotent embryonic stem cells (ESC) has raised expectations among many for its potential to benefit regenerative medicine. However, diploid cloned embryos also have the ability for totipotency and they occasionally develop to term. Thus, a therapeutic application cannot be kept totally separate from reproductive cloning. In contrast to diploidy, tetraploidy is incompatible with full development in mammals; yet, tetraploid cells arise after normal diploid development and contribute to certain organs of the adult body. In this context, we asked if single oocytes are able to reprogram 2 simultaneously transplanted somatic nuclei, and whether resultant embryos may serve as a source for functional pluripotent cell lines. We modified the conventional nuclear cloning method by simultaneously injecting 2 nuclei of cumulus cells into a single ooplasm of the B6C3F1 mouse strain. Following activation of these reconstructed oocytes, the blastocyst rates were lower compared with conventional cloned embryos (1 nucleus injection), but similar to tetraploid fertilized embryos generated by intracytoplasmic sperm injection (ICSI) of 2 sperm heads and prevention of second polar body extrusion using cytochalasin B. Upon transfer of tetraploid cloned blastocysts to pseudopregnant recipients, no fetuses were found at midgestation (Table 1). Tetraploid cloned blastocysts supported the derivation of ESC (Table 1), which maintain a stable tetraploid karyotype over more than 20 passages. These tetraploid ESC possess the major hallmarks of pluripotency, including matching gene expression profiles (MouseRef-8 v2 expression BeadChip, Illumina) compared with those of diploid counterparts (>99% similarity) as well as the ability to differentiate into derivatives of the 3 germ layers when forming teratomas in severe-combined immunodeficient mice. Upon injection into wild-type blastocysts, tetraploid ESC populated the inner cell mass; however, after transfer of these chimeras to pseudopregnant recipients, derivatives of tetraploid ESC were found only in extraembryonic tissues of midgestation fetuses. In sum, we have shown that the reprogramming capacity of mouse oocytes is sufficient for 2 somatic nuclei, and that resultant cloned embryos support pluripotency but not totipotency. Our approach to therapeutic cloning is free of reproductive implications.
Table 1.Developmental competence of single (2N) and double nucleus transplanted (4N) cloned mouse embryos compared with fertilized controls
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16
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Jauch A, Kesten F, Daikeler T, Holbro A. [A patient with fever of unknown origin - a common cause with an atypical presentation]. Ther Umsch 2012. [PMID: 23188782 DOI: 10.1024/0040-5930/a000352] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/19/2022]
Abstract
Fever of unknown origin (FUO) is a common medical diagnosis by exclusion. In these cases, fever is the predominant symptom of an underlying disease. We describe the case of a 60-year old patient with FUO. Intensive search for the causative disease was carried out. Unfortunately all the investigations remained fruitless. Eventually, the patient was discharged with the diagnosis of common variable immunodeficiency, based on hypogammaglobulinemia and Cytomegalovirus replication. Two weeks after discharge, the patient presented in the outpatient clinic with the typical symptoms of giant cell arteriitis (GCA). The diagnosis was confirmed by a repeated ultrasound imaging and biopsy findings. The clinical condition of the patient improved rapidly after beginning of treatment with steroids. This case illustrates the importance of a longitudinal observation of patients presenting with FUO if the diagnosis remains unclear after intensive investigations.
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Affiliation(s)
- A Jauch
- Medizinische Poliklinik, Universitätsspital Basel
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17
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Agius-Fernandez A, Patterson A, Fsadni M, Jauch A, Raj PS. Topical Lomefloxacin versus Topical Chloramphenicol in the Treatment of Acute Bacterial Conjunctivitis. Clin Drug Investig 2012; 15:263-9. [PMID: 18370480 DOI: 10.2165/00044011-199815040-00001] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/02/2022]
Abstract
We performed a prospective, randomised, investigator-masked and parallel-group study to compare topical lomefloxacin 0.3% instilled twice daily with topical chloramphenicol instilled five times daily in the treatment of acute bacterial conjunctivitis. 191 patients (lomefloxacin 96, chloramphenicol 95) were enrolled in this study with clinically diagnosed acute bacterial conjunctivitis. The two treatment groups were similar at baseline. The treatments were equally effective and significantly (p < 0.001) reduced the Cumulative Sum Score of the clinical signs and symptoms of bacterial conjunctivitis. At the end of the trial, there was no difference between the two treatments in the Cumulative Sum Score of signs and symptoms (p = 0.63), and the investigator (p = 0.28) and patients' (p = 0.50) assessments of the success of therapy. The two drugs were equally well tolerated locally, with no serious systemic or local adverse drug reactions reported in any study patient. Bacteriological confirmation of acute conjunctivitis was possible in 96 patients (lomefloxacin 47, chloramphenicol 49) out of the 191 enrolled. Both treatments significantly (p < 0.001) reduced the conjunctival bacterial colony count score with no difference (p = 0.12) between the two treatment groups. In conclusion, lomefloxacin 0.3% eye drops instilled twice daily were as effective and well tolerated as chloramphenicol 0.5% eye drops instilled 5 times daily in the treatment of acute bacterial conjunctivitis.
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18
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Eißmann M, Melzer IM, Fernández SBM, Michel G, Hrabě de Angelis M, Hoefler G, Finkenwirth P, Jauch A, Schoell B, Grez M, Schmidt M, Bartholomae CC, Newrzela S, Haetscher N, Rieger MA, Zachskorn C, Mittelbronn M, Zörnig M. Overexpression of the anti-apoptotic protein AVEN contributes to increased malignancy in hematopoietic neoplasms. Oncogene 2012; 32:2586-91. [PMID: 22751129 DOI: 10.1038/onc.2012.263] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
Abstract
AVEN has been identified as an inhibitor of apoptosis, which binds to the adaptor protein, APAF-1, and thereby prevents apoptosome formation and mitochondrial apoptosis. Recent data have demonstrated high expression levels of AVEN messenger RNA in acute leukemias as well as a positive correlation between AVEN mRNA overexpression and poor prognosis in childhood acute lymphoblastic leukemia. On the basis of these data, we investigated the potential involvement of AVEN in tumorigenesis. First, we confirmed the overexpression of AVEN in T-cell acute lymphoblastic leukemia/lymphoma (T-ALL) patient samples. We then established a transgenic mouse model with T-cell-specific overexpression of AVEN, with which we demonstrated the oncogenic cooperation of AVEN with heterozygous loss of p53. Finally, we used a subcutaneous xenograft mouse model to show that AVEN knockdown in the T-ALL cell lines, MOLT-4 and CCRF-CEM, and in the acute myeloblastic leukemia cell line, Kasumi-1, leads to a halt in tumor growth owing to the increased apoptosis and decreased proliferation of tumor cells. Collectively, our data demonstrate that the anti-apoptotic molecule, AVEN, functions as an oncoprotein in hematopoietic neoplasms.
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Affiliation(s)
- M Eißmann
- Chemotherapeutisches Forschungsinstitut Georg-Speyer-Haus, Frankfurt, Germany
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19
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Behnecke A, Hinderhofer K, Jauch A, Janssen JWG, Moog U. Silver-Russell syndrome due to maternal uniparental disomy 7 and a familial reciprocal translocation t(7;13). Clin Genet 2011; 82:494-8. [PMID: 21954990 DOI: 10.1111/j.1399-0004.2011.01792.x] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
Abstract
Silver-Russell syndrome (SRS) is a genetically heterogeneous disorder characterized by intrauterine and postnatal growth retardation, typical facial features and a spectrum of additional features including body and limb asymmetry and clinodactyly. Maternal uniparental disomy for chromosome 7 (upd(7)mat) was shown to occur in 5-10% of patients with SRS. Maternal UPD7 is clinically often associated with mild SRS. Parents of an affected child are given a negligible recurrence risk as all reported cases with upd(7)mat have been sporadic so far. In general, chromosomal rearrangements-like translocations increase the likelihood of uniparental disomy (UPD) for the chromosomes involved. However, SRS as the result of a upd(7)mat in association with an inherited chromosomal translocation involving chromosome 7 has only been reported once before. Here, we describe the second case of SRS with upd(7)mat due to a familial reciprocal translocation t(7;13). This emphasizes the importance of chromosome analysis in SRS patients with upd(7)mat to rule out chromosomal rearrangements despite their rare occurrence as they are of great relevance for genetic counseling of SRS families.
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Affiliation(s)
- A Behnecke
- Institute of Human Genetics, Heidelberg University, Im Neuenheimer Feld 344a, Heidelberg, Germany.
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20
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Evers C, Heidemann PH, Dunstheimer D, Schulze E, Haag C, Janssen JWG, Fischer C, Jauch A, Moog U. Pseudoautosomal inheritance of Léri-Weill syndrome: what does it mean? Clin Genet 2011; 79:489-94. [DOI: 10.1111/j.1399-0004.2010.01488.x] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
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21
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Abstract
BACKGROUND Papillary renal cell tumours (RCTs) have been described as a genetic entity. Recently, papillary RCTs have been divided into small (type 1) and large (type 2) cell tumours. Subsequent DNA analyses have resulted in controversial data regarding putative genetic changes marking type 1 and type 2 tumours. AIM The aim of this study was to improve the original description that papillary RCT is a genetic entity regardless of the phenotypic variation. METHODS DNA from 163 papillary RCTs, including 82 multiplex tumours from eight hereditary cases, was analysed for copy number changes by chromosomal comparative genomic hybridisation (CGH) and/or for allelic changes at chromosomes 7 and 17 by microsatellite analysis. The results of the genetic analysis were compared with the cytological characteristics of the tumours. RESULTS The results showed alterations of chromosomes 7 and 17 at similar frequencies in papillary RCTs with characteristics ranging from small to large cell, nuclear grade 1 to 3, and 3 mm to 16 cm diameter. CONCLUSION Trisomies of chromosomes 7 and 17 are specific genetic alterations in papillary RCTs irrespective of their size, grade and cellular differentiation.
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Affiliation(s)
- I Balint
- Laboratory of Molecular Oncology, Medical Faculty, Ruprecht-Karls-University, Heidelberg, Germany
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22
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Gottschling S, Jauch A, Granzow M, Kuner R, Muley T, Hoffmann H, Dienemann H, Eckstein V, Ho AD, Herth FJF, Thomas M, Meister M. Stromal Cells Derived from Non-Small Cell Lung Cancer and Normal Lung Tissue Display Mesenchymal Stem Cell Characteristics and Differ in Their Gene Expression Profiles and Functional Behaviour. Pneumologie 2009. [DOI: 10.1055/s-0029-1213954] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/21/2022]
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23
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Gottschling S, Granzow M, Kuner R, Jauch A, Chang Xu E, Muley T, Hoffmann H, Dienemann H, Eckstein V, Ho AD, Herth FJF, Thomas M, Meister M. The Individuality of Tumour-Stroma Interaction in Non-Small Cell Lung Cancer: Insights from Funtional and Molecular Analysis. Pneumologie 2009. [DOI: 10.1055/s-0029-1213953] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/21/2022]
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24
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Sonneveld P, Eljarari L, Salwender H, Zweegman S, Vellenga E, Van Der Holt B, Schmidt-Wolf IGH, Bertsch U, Schubert J, Blau IW, Jie GSK, Beverloo B, Jauch A, Hose D, Schaafsma R, Kersten MJ, Delforge M, De Weerdt O, Van Der Griend R, Wijermans PW, Martin H, Van Der Velde H, Lokhorst HM, Goldschmidt H. B152 First Analysis of HOVON-65/GMMG-HD4 Randomized Phase III Trial Comparing Bortezomib, Doxorubicin, Dexamethasone (PAD) vs. VAD as Induction Treatment Prior to High-dose Melphalan (HDM) in Patients with Newly Diagnosed Multiple Myeloma (MM). ACTA ACUST UNITED AC 2009. [DOI: 10.1016/s1557-9190(11)70667-9] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/27/2022]
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25
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Hundemer M, Klein U, Hose D, Raab MS, Cremer FW, Jauch A, Benner A, Heiss C, Moos M, Ho AD, Goldschmidt H. Lack of CD56 expression on myeloma cells is not a marker for poor prognosis in patients treated by high-dose chemotherapy and is associated with translocation t(11;14). Bone Marrow Transplant 2007; 40:1033-7. [PMID: 17891186 DOI: 10.1038/sj.bmt.1705857] [Citation(s) in RCA: 43] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
Abstract
Lack of CD56 expression was reported to be associated with a poor prognosis in multiple myeloma (MM) patients treated with conventional chemotherapy. Aim of our retrospective study was to analyse whether CD56 expression on MM cells reveals as a prognostic factor in patients treated with high-dose chemotherapy. MM cells of 99 patients prior to treatment with high-dose chemotherapy were analysed for CD56 expression by flow cytometry. Multivariable analysis of event-free survival in these patients showed no statistically significant difference between the CD56(-) (n=28) and the CD56(+) (n=71) group. The lack of CD56 expression on MM cells of these patients correlated significantly with the presence of translocation (11;14) (t(11;14)) (estimated correlation coefficient=0.655 95%, confidence interval (0.481; 0.779)). In summary, our results indicate that lack of CD56 expression on MM cells is not a prognostic marker in patients treated with high-dose chemotherapy, but is associated with t(11;14).
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Affiliation(s)
- M Hundemer
- Department of Internal Medicine V, University of Heidelberg, Heidelberg, Germany
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26
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Meister M, Jauch A, Muley T, Hoffmann H, Dienemann H, Herpel E, Thomas M, Reinmuth N. Chromosomale Veränderungen bei Adenokarzinomen der Lunge und Korrelation mit EGF Rezeptor Mutationen und VEGF und erbB3 Expression. Pneumologie 2007. [DOI: 10.1055/s-2007-973101] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/21/2022]
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27
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Weber RG, Hoischen A, Ehrler M, Zipper P, Kaulich K, Blaschke B, Becker AJ, Weber-Mangal S, Jauch A, Radlwimmer B, Schramm J, Wiestler OD, Lichter P, Reifenberger G. Frequent loss of chromosome 9, homozygous CDKN2A/p14ARF/CDKN2B deletion and low TSC1 mRNA expression in pleomorphic xanthoastrocytomas. Oncogene 2006; 26:1088-97. [PMID: 16909113 DOI: 10.1038/sj.onc.1209851] [Citation(s) in RCA: 77] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
Abstract
The molecular pathogenesis of pleomorphic xanthoastrocytoma (PXA), a rare astrocytic brain tumor with a relatively favorable prognosis, is still poorly understood. We characterized 50 PXAs by comparative genomic hybridization (CGH) and found the most common imbalance to be loss on chromosome 9 in 50% of tumors. Other recurrent losses affected chromosomes 17 (10%), 8, 18, 22 (4% each). Recurrent gains were identified on chromosomes X (16%), 7, 9q, 20 (8% each), 4, 5, 19 (4% each). Two tumors demonstrated amplifications mapping to 2p23-p25, 4p15, 12q13, 12q21, 21q21 and 21q22. Analysis of 10 PXAs with available high molecular weight DNA by high-resolution array-based CGH indicated homozygous 9p21.3 deletions involving the CDKN2A/p14(ARF)/CDKN2B loci in six tumors (60%). Interphase fluorescence in situ hybridization to tissue sections confirmed the presence of tumor cells with homozygous 9p21.3 deletions. Mutational analysis of candidate genes on 9q, PTCH and TSC1, revealed no mutations in PXAs with 9q loss and no evidence of TSC1 promoter methylation. However, PXAs consistently showed low TSC1 transcript levels. Taken together, our study identifies loss of chromosome 9 as the most common chromosomal imbalance in PXAs and suggests important roles for homozygous CDKN2A/p14(ARF)/CDKN2B deletion as well as low TSC1 mRNA expression in these tumors.
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Affiliation(s)
- R G Weber
- Department of Human Genetics, Rheinische Friedrich-Wilhelms-University, Bonn, Germany.
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28
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Radujkovic A, Schad M, Topaly J, Veldwijk MR, Laufs S, Schultheis BS, Jauch A, Melo JV, Fruehauf S, Zeller WJ. Synergistic activity of imatinib and 17-AAG in imatinib-resistant CML cells overexpressing BCR-ABL – Inhibition of P-glycoprotein function by 17-AAG. Leukemia 2005; 19:1198-206. [PMID: 15902298 DOI: 10.1038/sj.leu.2403764] [Citation(s) in RCA: 74] [Impact Index Per Article: 3.9] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
Abstract
Overexpression of BCR-ABL and P-glycoprotein (Pgp) are two of the known mechanisms of imatinib resistance. As combination therapy may allow to overcome drug resistance, we investigated the effect of combination treatment with imatinib and 17-allylamino-17-demethoxygeldanamycin (17-AAG), a heat-shock protein 90 (Hsp90) inhibitor, on different imatinib-sensitive and imatinib-resistant CML cell lines. In imatinib-sensitive cells, combination index (CI) values obtained using the method of Chou and Talalay indicated additive (CI=1) or marginally antagonistic (CI>1) effects following simultaneous treatment with imatinib and 17-AAG. In imatinib-resistant cells both drugs acted synergistically (CI<1). In primary chronic-phase CML cells additive or synergistic effects of the combination of imatinib plus 17-AAG were discernible. Annexin V/propidium iodide staining showed that the activity of imatinib plus 17-AAG is mediated by apoptosis. Combination treatment with imatinib plus 17-AAG was more effective in reducing the BCR-ABL protein level than 17-AAG alone. Monotherapy with 17-AAG decreased P-glycoprotein activity, which may increase intracellular imatinib levels and contribute to the sensitization of CML cells to imatinib. The results suggest that combination of imatinib and 17-AAG may be useful to overcome imatinib resistance in a clinical setting.
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MESH Headings
- ATP Binding Cassette Transporter, Subfamily B, Member 1/drug effects
- ATP Binding Cassette Transporter, Subfamily B, Member 1/physiology
- Antineoplastic Combined Chemotherapy Protocols/pharmacology
- Apoptosis/drug effects
- Benzamides
- Benzoquinones
- Cell Proliferation/drug effects
- Drug Synergism
- Fusion Proteins, bcr-abl/biosynthesis
- Fusion Proteins, bcr-abl/genetics
- Gene Expression Regulation, Leukemic/drug effects
- Humans
- Imatinib Mesylate
- In Situ Hybridization, Fluorescence
- Lactams, Macrocyclic
- Leukemia, Myelogenous, Chronic, BCR-ABL Positive/drug therapy
- Leukemia, Myelogenous, Chronic, BCR-ABL Positive/genetics
- Leukemia, Myelogenous, Chronic, BCR-ABL Positive/pathology
- Phosphorylation
- Piperazines/pharmacology
- Protein-Tyrosine Kinases/analysis
- Protein-Tyrosine Kinases/biosynthesis
- Pyrimidines/pharmacology
- RNA, Messenger/genetics
- Rifabutin/analogs & derivatives
- Rifabutin/pharmacology
- Tumor Stem Cell Assay
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Affiliation(s)
- A Radujkovic
- Research Program Innovative Cancer Diagnostics and Therapy, German Cancer Research Center (DKFZ), Heidelberg, Germany
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29
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Janssen B, Hartmann C, Scholz V, Jauch A, Zschocke J. MLPA analysis for the detection of deletions, duplications and complex rearrangements in the dystrophin gene: potential and pitfalls. Neurogenetics 2005; 6:29-35. [PMID: 15655674 DOI: 10.1007/s10048-004-0204-1] [Citation(s) in RCA: 120] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/20/2004] [Accepted: 11/08/2004] [Indexed: 01/25/2023]
Abstract
Duchenne muscular dystrophy (DMD) and Becker muscular dystrophy (BMD) are common X-chromosomal recessive disorders caused by mutations in the dystrophin gene. Using the novel multiplex ligation-dependent probe amplification (MLPA) method we performed retrospective and prospective analyses in a total of 193 individuals. Deletions or duplications were identified in 14 out of 90 families previously tested negative by multiplex PCR or FISH analysis. Partially incorrect results were subsequently identified in two families: the loss of exon 38 signal in one case was due to a p.Q1802X nonsense mutation, whilst in another patient an apparent deletion of exon 37 (coinciding with a duplication of exons 46-53) was caused by a p.R1735C polymorphism. In one case we found a complex rearrangement involving a duplication of two regions: dupEX45-48 and dupEX54-55. We conclude that MLPA is a highly sensitive and rapid alternative to multiplex PCR. It can be used on blood samples, chorionic villi and paraffin-embedded tissue. The ease of detection of duplications and the application for female carrier analysis are clearly the main advantages of the method. However, apparent single exon deletions detected by MLPA should be checked by an independent method. Complex rearrangements such as double mutations on the same allele are rare.
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Affiliation(s)
- B Janssen
- Institute of Human Genetics, University of Heidelberg, Im Neuenheimer Feld 366, 69120, Heidelberg, Germany.
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30
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Chudoba I, Hickmann G, Friedrich T, Jauch A, Kozlowski P, Senger G. mBAND: a high resolution multicolor banding technique for the detection of complex intrachromosomal aberrations. Cytogenet Genome Res 2004; 104:390-3. [PMID: 15162070 DOI: 10.1159/000077521] [Citation(s) in RCA: 38] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/09/2003] [Accepted: 12/08/2003] [Indexed: 11/19/2022] Open
Abstract
Precise breakpoint definition of chromosomal rearrangements using conventional banding techniques often fails, especially when more than two breakpoints are involved. The classic banding procedure results in a pattern of alternating light and dark bands. Hence, in banded chromosomes a specific chromosomal band is rather identified by the surrounding banding pattern than by its own specific morphology. In chromosomal rearrangements the original pattern is altered and therefore the unequivocal determination of breakpoints is not obvious. The multicolor banding technique (mBAND, see Chudoba et al., 1999) is able to identify breakpoints unambiguously, even in highly complex chromosomal aberrations. The mBAND technique is presented and illustrated in a case of intrachromosomal rearrangement with seven breakpoints all having occurred on one chromosome 16, emphasizing the unique analyzing power of mBAND as compared to conventional banding techniques.
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31
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Abstract
Neuroendocrine tumours (NETs) originate in tissues that contain cells derived from the embryonic neural crest, neuroectoderm and endoderm. Thus, NETs occur at many sites in the body, although the majority occur within the gastro-entero-pancreatic axis and can be subdivided into those of foregut, midgut and hindgut origin. Amongst these, only those of midgut origin are generally argentaffin positive and secrete serotonin, and hence only these should be referred to as carcinoid tumours. NETs may occur as part of complex familial endocrine cancer syndromes, such as multiple endocrine neoplasia type 1 (MEN1), although the majority occur as non-familial (i.e. sporadic) isolated tumours. Molecular genetic studies have revealed that the development of NETs may involve different genes, each of which may be associated with several different abnormalities that include point mutations, gene deletions, DNA methylation, chromosomal losses and chromosomal gains. Indeed, the foregut, midgut and hindgut NETs develop via different molecular pathways. For example, foregut NETs have frequent deletions and mutations of the MEN1 gene, whereas midgut NETs have losses of chromosome 18, 11q and 16q and hindgut NETs express transforming growth factor-alpha and the epidermal growth factor receptor. Furthermore, in lung NETs, a loss of chromosome 3p is the most frequent change and p53 mutations and chromosomal loss of 5q21 are associated with more aggressive tumours and poor survival. In addition, methylation frequencies of retinoic acid receptor-beta, E-cadherin and RAS-associated domain family genes increase with the severity of lung NETs. Thus the development and progression of NETs is associated with specific genetic abnormalities that indicate the likely involvement of different molecular pathways.
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Affiliation(s)
- P D Leotlela
- Nuffield Department of Medicine, University of Oxford, Botnar Research Centre, Nuffield Orthopaedic Centre, Headington, Oxford OX3 7LD, UK
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32
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Granzow M, Popp S, Weber S, Schoell B, Holtgreve-Grez H, Senf L, Hager D, Boschert J, Scheurlen W, Jauch A. Isochromosome 1q as an early genetic event in a child with intracranial ependymoma characterized by molecular cytogenetics. Cancer Genet Cytogenet 2001; 130:79-83. [PMID: 11672779 DOI: 10.1016/s0165-4608(01)00465-4] [Citation(s) in RCA: 16] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 10/18/2022]
Abstract
Data concerning cytogenetic features of childhood ependymoma are rare. In this article, a gain of 1q was identified as the sole alteration in a primary childhood infratentorial ependymoma by comparative genomic hybridization (CGH). A recurrence of this brain tumor was studied using multiplex-fluorescence in situ hybridization (M-FISH) in addition to CGH and G-banding analysis. In accordance with the primary tumor, a gain of 1q corresponding to an isochromosome 1q was observed indicating an early event in the tumor development. Furthermore, M-FISH classified several other rearranged chromosomes including 6q and 17p that have previously been found to be involved in the development and progression of childhood ependymoma.
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Affiliation(s)
- M Granzow
- Institute of Human Genetics, University of Heidelberg, Im Neuenheimer Feld 328, D-69120, Heidelberg, Germany
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Abstract
Deletions of the terminal Xp regions, including the short-stature homeobox (SHOX) gene, were described in families with hereditary Turner syndrome and Léri-Weill syndrome. We report on a 10-2/12-year-old girl and her 37-year-old mother with short stature and no other phenotypic symptoms. In the daugther, additional chromosome material was detected in the pseudoautosomal region of one X chromosome (46,X,add(Xp.22.3)) by chromosome banding analysis. The elongation of the X chromosome consisted of Giemsa dark and bright bands with a length one-fifth of the size of Xp. The karyotype of the mother demonstrated chromosome mosaicism with three cell lines (46,X,add(X)(p22.3) [89]; 45,X [8]; and 47,X,add(X)(p22.3), add(X)(p22.3) [2]). In both daughter and mother, fluorescence in situ hybridization (FISH), together with data from G banding, identified the breakpoints in Xp22.1-3 and Xq26, resulting in a partial trisomy of the terminal region of Xq (Xq26-qter) and a monosomy of the pseudoautosomal region (Xp22.3) with the SHOX gene and the proximal region Xp22.1-3, including the steroidsulfatase gene (STS) and the Kallmann syndrome region. The derivative X chromosome was defined as ish.der(X)t(X;X)(p22.1-3;q26)(yWXD2540-, F20cos-, STS-, 60C10-, 959D10-, 2771+, cos9++). In daughter and mother, the monosomy of region Xp22.1-3 is compatible with fertility and does not cause any other somatic stigmata of the Turner syndrome or Léri-Weill syndrome, except for short stature due to monosomy of the SHOX gene.
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Affiliation(s)
- T Reinehr
- Vestische Kinderklinik, University of Witten-Herdecke, Datteln, Germany.
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34
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Scheel C, Schaefer KL, Jauch A, Keller M, Wai D, Brinkschmidt C, van Valen F, Boecker W, Dockhorn-Dworniczak B, Poremba C. Alternative lengthening of telomeres is associated with chromosomal instability in osteosarcomas. Oncogene 2001; 20:3835-44. [PMID: 11439347 DOI: 10.1038/sj.onc.1204493] [Citation(s) in RCA: 134] [Impact Index Per Article: 5.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/04/2001] [Revised: 03/27/2001] [Accepted: 04/02/2001] [Indexed: 11/09/2022]
Abstract
Telomere maintenance is regarded as a key mechanism in overcoming cellular senescence in tumor cells and in most cases is achieved by the activation of telomerase. However there is at least one alternative mechanism of telomere lengthening (ALT) which is characterized by heterogeneous and elongated telomeres in the absence of telomerase activity (TA). We evaluated the prevalence of TA, gene expression of telomerase subunits and ALT in relation to telomere morphology and function in matrix producing bone tumors and in osteosarcoma cell lines and present evidence of a direct association of ALT with telomere dysfunction and chromosomal instability. Telomere fluorescence in situ hybridization (T-FISH) in ALT cells revealed elongated and shortened telomeres, partly in unusual configurations and loci, dicentric marker chromosomes and signal-free chromosome ends. Free ends give rise to end-to-end associations and may induce breakage-fusion-bridge cycles resulting in an increased number of complex chromosomal rearrangements, as detected by multiplex-FISH (M-FISH). We propose that ALT cannot be seen as an equivalent to telomerase activity in telomere maintenance. Its association with telomere dysfunction and chromosomal instability may have major implications for tumor progression.
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Affiliation(s)
- C Scheel
- Gerhard-Domagk-Institute of Pathology, Westfälische Wilhelms University, Münster, Germany
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35
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Tsukasaki K, Krebs J, Nagai K, Tomonaga M, Koeffler HP, Bartram CR, Jauch A. Comparative genomic hybridization analysis in adult T-cell leukemia/lymphoma: correlation with clinical course. Blood 2001; 97:3875-81. [PMID: 11389029 DOI: 10.1182/blood.v97.12.3875] [Citation(s) in RCA: 96] [Impact Index Per Article: 4.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022] Open
Abstract
Sixty-four patients with adult T-cell leukemia/lymphoma (ATL; 18 patients with indolent subtype and 46 with aggressive subtype) associated with human T-lymphotropic virus type 1 (HTLV-1) were analyzed using comparative genomic hybridization (CGH). The most frequent observations were gains at chromosomes 14q, 7q, and 3p and losses at chromosomes 6q and 13q. Chromosome imbalances, losses, and gains were more frequently observed in aggressive ATL than in indolent ATL, with significant differences between the 2 ATL subtypes at gains of 1q and 4q. An increased number of chromosomal imbalances was associated with a significantly shorter survival in all patients. A high number of chromosomal losses was associated with a poor prognosis in indolent ATL, whereas the presence of 7q+ was marginally associated with a good prognosis in aggressive ATL. Paired samples (ie, samples obtained at different sites from 4 patients) and sequential samples from 13 patients (from 6 during both chronic disease and acute crisis and from 7 during both acute onset and relapse) were examined by CGH and Southern blotting for HTLV-1. All but 2 paired samples showed differences on CGH assessment. Two chronic/crisis samples showed distinct results regarding both CGH and HTLV-1 integration sites, indicating clonal changes in ATL at crisis. In 11 patients, the finding of identical HTLV-1 sites and clonally related CGH results suggested a common origin of sequential samples. In contrast to chronic/crisis samples, CGH results with all acute/relapse sample pairs showed the presence of clonally related but not evolutional subclones at relapse, thereby suggesting marked chromosomal instability. In summary, clonal diversity is common during progression of ATL, and CGH alterations are associated with clinical course. (Blood. 2001;97:3875-3881)
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Affiliation(s)
- K Tsukasaki
- Division of Hematology/Oncology, Cedars-Sinai Medical Center, UCLA School of Medicine, Los Angeles, CA, USA.
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36
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Sharma P, Jarvis A, Jauch A, St Heaps L, Shaw P, Smith A. Complex variant t(4;11) characterized by fluorescence in situ hybridization in infant acute lymphoblastic leukemia. Cancer Genet Cytogenet 2001; 127:177-80. [PMID: 11425460 DOI: 10.1016/s0165-4608(00)00439-8] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 10/18/2022]
Abstract
A 6-month-old girl was diagnosed with acute lymphoblastic leukemia (ALL). Chromosome analysis of bone marrow aspirate showed 46,XX,t(4;11)(q21;q23) with an atypical appearance of the 11p on the der(11) chromosome. FISH studies to fully characterize the translocation utilised 8 probes: whole chromosome painting probes for chromosome 11 and chromosome 4; separate chromosome 11 short arm and long arm paints; specific subtelomere probes from 11p, 11q, and 4q; MLL gene probe. Taken together, the results indicated a two-step abnormality: an initial standard t(4;11)(q21;q23), followed by another t(4;11)--this time, between the two derivative chromosomes. The MLL gene was split by the first translocation and its position altered by the second.
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Affiliation(s)
- P Sharma
- Department of Cytogenetics, New Children's Hospital, Hawkesbury Rd., Westmead, Australia
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Abstract
Pituitary adenomas are common intracranial neoplasms that may be hormone-secreting or nonfunctional. Genetic defects associated with some pituitary tumors have been identified, although our understanding of the underlying molecular mechanisms remains incomplete. We have studied 75 sporadic pituitary tumors, representing the major clinical subtypes, by comparative genomic hybridization (CGH) with the aim of assessing for DNA copy number changes. CGH revealed chromosomal imbalances in 34 adenomas (45.3%), whereby gains were 4.9 times more frequently observed than losses. Most of the genetic alterations detected by CGH affected entire chromosomes (108/131, 82.4%). Gain of genetic material was observed predominantly on chromosomes X (24/75, 32%), 19 (12/75, 16%), 12 (6/75, 6.7%), 7 and 9 (5/75, 6.7%), whereas loss of DNA sequences most frequently affected chromosomes 11 (4/75, 5.3%), 13 and 10 (3/75, 4%). There were no significant differences in the CGH results for the individual clinical subtypes of pituitary tumors. These results reveal a nonrandom pattern of chromosomal alterations in pituitary tumors, in particular gains of entire chromosomes, and this may contribute to the development of such neoplasms.
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Affiliation(s)
- K Trautmann
- Institute of Human Genetics, University of Heidelberg, Im Neuenheimer Feld 328, D-69120 Heidelberg, Germany
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38
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Scholz I, Popp S, Granzow M, Schoell B, Holtgreve-Grez H, Takeuchi S, Schrappe M, Harbott J, Teigler-Schlegel A, Zimmermann M, Fischer C, Koeffler HP, Bartram CR, Jauch A. Comparative genomic hybridization in childhood acute lymphoblastic leukemia: correlation with interphase cytogenetics and loss of heterozygosity analysis. Cancer Genet Cytogenet 2001; 124:89-97. [PMID: 11172898 DOI: 10.1016/s0165-4608(00)00330-7] [Citation(s) in RCA: 13] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
Abstract
We used comparative genomic hybridization (CGH) to study DNA copy number changes in 71 children with acute lymphoblastic leukemia (ALL) including 50 B-lineage and 21 T-ALLs. Forty-two patients (59%) showed genomic imbalances whereby gains were more frequently observed than losses (127 vs. 29). Gains most commonly affected the entire chromosomes 21 and 10 (19.7% each), 6, 14, 18, X (15.5% each), 17 (14.1%) and 4 (11.3%). Highly hyperdiploid karyotypes (chromosome number >50) occurred more frequently in B-lineage than in T-lineage ALL (24% vs. 4.8%). In both cell lineages deletions were mainly detected on 9p (14.1%) and 12p (8.4%), and on 6q in T-lineage ALL (4.2%). These findings were compared with loss of heterozygosity (LOH) of 6q, 9p, 11q, and 12p previously performed in 56 of the 71 patients. Among 54 sites of LOH, CGH revealed losses of the respective chromosome arms in 17 LOH-positive regions (31.5%). G-banding analysis and interphase cytogenetics with subregional probes for 14 loci confirmed the presence of genomic imbalances as detected by CGH. We, therefore, conclude that, in the absence of cytogenetic data, CGH represents a suitable method for identifying hyperdiploid karyotypes as well as prognostically relevant deletions in ALL patients.
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Affiliation(s)
- I Scholz
- Institute of Human Genetics, University of Heidelberg, Im Neuenheimer Feld 328, D-69120 Heidelberg, Germany
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39
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Abstract
The first steps of ether lipid biosynthesis are exclusively localized to peroxisomes and hence some peroxisomal disorders are characterized by a severe deficiency of plasmalogens, the main ether lipids in humans. Here we report on gene defects of plasmalogen biosynthesis, chromosomal localization of the corresponding genes and, as a consequence of plasmalogen deficiency, on structural alterations of caveolae, clathrin-coated pits, endoplasmic reticulum and Golgi cisternae, as well as on the reduced rate of transferrin receptor cycling. The data suggest that plasmalogens, analogous to cholesterol, are essential for correct membrane functioning and their deficiency results in impaired membrane trafficking.
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Affiliation(s)
- T P Thai
- Biochemie-Zentrum Heidelberg (BZH), Universität Heidelberg, Im Neuenheimer Feld 328, D-69120 Heidelberg, Germany
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40
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Klugbauer S, Jauch A, Lengfelder E, Demidchik E, Rabes HM. A novel type of RET rearrangement (PTC8) in childhood papillary thyroid carcinomas and characterization of the involved gene (RFG8). Cancer Res 2000; 60:7028-32. [PMID: 11156407] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/18/2023]
Abstract
As part of ongoing studies on the RET rearrangement frequency in children with papillary thyroid carcinoma (PTC) after their exposure to radioactive iodine after the Chernobyl reactor accident, new methods for the detection of novel types of RET rearrangements are being developed. In this study, an improved reverse transcription-PCR strategy is used successfully to identify a new type of RET rearrangement. This rearrangement is designated PTC8 and the involved RET-fused gene (RFG) as RFG8. The identification of two reciprocal transcripts coding for the RFG8/RET and RET/RFG8 fusions suggests that the PTC8 rearrangement results from a balanced chromosomal translocation. With a view to clarify its role in tumor induction, we compared the fusion products with those of previously described RET rearrangements. We therefore sequenced and characterized the RFG8 cDNA, which showed no significant similarity to any functional protein described as yet. RFG8 is located on chromosome 18q21-22 and is expressed ubiquitously. Bioinformatic analysis predicts with a high probability that the corresponding rfg8 protein is located in the cytoplasm and is involved putatively in intracellular transport processes. Furthermore, we identified coiled-coil structures upstream of the breakpoint with one of the coiled-coils showing dimerization capability. Thus the rfg8/ret fusion protein exhibits structures for oncogenic activation that are similar to those observed in previously described RET fusions.
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Affiliation(s)
- S Klugbauer
- Institute of Pathology, Ludwig Maximilians University of Munich, Germany
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41
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Brown J, Horsley SW, Jung C, Saracoglu K, Janssen B, Brough M, Daschner M, Beedgen B, Kerkhoffs G, Eils R, Harris PC, Jauch A, Kearney L. Identification of a subtle t(16;19)(p13.3;p13.3) in an infant with multiple congenital abnormalities using a 12-colour multiplex FISH telomere assay, M-TEL. Eur J Hum Genet 2000; 8:903-10. [PMID: 11175277 DOI: 10.1038/sj.ejhg.5200545] [Citation(s) in RCA: 23] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022] Open
Abstract
There is increasing evidence that cytogenetically invisible chromosome rearrangements are an important cause of genetic disease. Clues to the chromosomal location of these rearrangements may be provided by a specific clinical diagnosis, which can then be investigated by targeted FISH or molecular studies. However, the phenotypic features of some microdeletion syndromes are difficult to recognise, particularly in infants. In addition, the presence of other chromosome aneuploidy may mask the typical clinical features. In the present study, the presence of tubers on cranial magnetic resonance imaging (MRI) of a 5-week-old infant prompted an investigation, by FISH, with probes from the tuberous sclerosis gene, TSC2. This and further FISH deletion mapping studies revealed a submicroscopic deletion encompassing the entire TSC2 gene and the adjacent PKD1 gene on one chromosome 16, confirming a del(16)(p13.3). Because of the large number of abnormal phenotypic features in this infant, we performed a 12-colour FISH assay (M-TEL) to screen for subtelomeric rearrangements involving the del(16p). The M-TEL assay revealed a cryptic der(16)t(16;19)(p13.3;p13.3). Further FISH with 19p and 19q subtelomeric probes demonstrated that this was derived from a balanced maternal t(16;19)(p13.3;p13.3). Importantly, 24-colour painting by multiplex FISH (M-FISH) failed to detect the translocation in either the infant or his mother. Based on our FISH mapping studies, we estimate the size of the trisomic region from 19p13.3 to be approximately 2 Mb, and the region of monosomy for 16p13.3 as 2.25 Mb. This case adds to the growing literature which indicates that many apparent chromosomal deletions are unbalanced translocations. The M-TEL assay provides a sensitive alternative to M-FISH for the detection of these subtle telomeric rearrangements.
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Affiliation(s)
- J Brown
- MRC Molecular Haematology Unit, Institute of Molecular Medicine, Oxford, UK
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42
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Popp S, Waltering S, Holtgreve-Grez H, Jauch A, Proby C, Leigh IM, Boukamp P. Genetic characterization of a human skin carcinoma progression model: from primary tumor to metastasis. J Invest Dermatol 2000; 115:1095-103. [PMID: 11121147 DOI: 10.1046/j.1523-1747.2000.00173.x] [Citation(s) in RCA: 43] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022]
Abstract
The type and number of genetic aberrations required for a fully malignant tumor are still unclear. This study describes the genetic analysis of a series of skin squamous cell carcinomas, representing the primary tumor, two recurrences, and a metastatic lesion from a single patient and cell lines established therefrom (MET-1 to MET-4). Comparative genomic hybridization demonstrated that: (i) most of the gains and losses were common for tumors and cell lines and affected chromosomes 3 (3p loss, 3q gain), 5 (5p gain, 5q loss), 7 (7p gain), 8 (8p loss, 8q gain), 11 (11q gain), and 17 (17p loss), and (ii) only one aberration was present in a tumor but not in the cell line (10 loss in tumor 4); and only few aberrations were cell line specific. From these, 10p loss and 17q gain were shared by all lines and tumor 4, suggesting that they were already present in all tumors, although in only a subpopulation of cells, whereas 20q gain (shared by all lines), 4q loss (MET-2), and 18p gain/18q loss (MET-3) seem to be culture derived. In agreement, multiplex fluorescence in situ hybridization demonstrated a set of common translocations for all lines thereby further confirming their common origin. In addition, each cell line, exhibited one or more individual translocation chromosomes, which suggested that MET-1 was a precursor of MET-4, whereas MET-2 and MET-3 developed in parallel. Whereas MET-1 to MET-3 were hypodiploid or hyperdiploid, MET-4 was characterized by polyploidization, a set of specific aberrations (t(3;7), t(X;2), i(10q)), and increased heterogeneity (varying translocations in individual metaphases). Using sequencing and expression studies, cells from all lines were wild type for p53, did not exhibit mutations in any of the ras genes (Harvey, Kirsten, or N-ras), and expressed wild-type fragile histidine triad gene (FHIT; mapped to 3p14.2, a locus underrepresented in all cells) transcripts. Thus, with the MET cell lines we present an in vivo skin carcinoma progression model that was genetically well defined, and which, despite originating from a sun-exposed site, is wild type for p53.
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Affiliation(s)
- S Popp
- Deutsches Krebsforschungszentrum, Division of Carcinogenesis and Differentiation, Heidelberg, Germany
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43
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Speleman F, Callens B, Logghe K, Van Roy N, Horsley SW, Jauch A, Verschraegen-Spae MR, Leroy JG. Subtelomeric familial translocation t(2;7)(q37;q35) leading to partial trisomy 7q35-->qter: molecular cytogenetic analysis and clinical phenotype in two generations. Am J Med Genet 2000; 93:349-54. [PMID: 10951456] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 02/17/2023]
Abstract
Few patients with trisomy of the most distal region of chromosome 7q have been described. We report on a familial translocation t(2;7)(q37;q35) leading to trisomy 7q35-->7qter in a child and her paternal uncle and a minimal deletion of distal 2q as demonstrated by FISH with probes located in the chromosome 2q subtelomeric region. The clinical phenotype included macrocephaly and low-set ears, also found in other reported patients trisomic for the distal part of chromosome 7q. Phenotypic findings probably useful for the clinical diagnosis include normal size at birth, large head with frontal bossing, low-set ears of normal shape, small nose and low nasal bridge, feeding difficulties in infancy, and severe neurodevelopmental delay.
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Affiliation(s)
- F Speleman
- Department of Medical Genetics, Ghent University Hospital, Gent, Belgium
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44
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Abstract
PURPOSE To compare the anti-inflammatory effect of topical diclofenac sodium 0.1% in a fixed combination with gentamicin 0.3% to the anti-inflammatory effect of dexamethasone phosphate 0.1% in a prospective randomized double-masked double-dummy study in patients undergoing cataract surgery. SETTING Trial performed from June 1991 to April 1992 at the Hôpital Jules Gonin, Department of Ophthalmology, University of Lausanne, Lausanne, Switzerland. METHODS Inclusion of patients scheduled for extracapsular cataract extraction (ECCE) with implantation of an all PMMA intraocular lens (IOL). Double-masked comparison of post-operative inflammation in two randomized treatment groups: (1) fixed diclofenac sodium 0.1%/gentamicin 0.3% and vehicle drops 4X/day until day 12-14 and diclofenac sodium 0.1% 3X/day until day 28. (2) dexamethasone phosphate 0.1% drops 4X/day until postoperative day 12-14 and 3X/day until day 28 and gentamicin 0.3% drops 4X/day until day 12-14. Anterior chamber flare and cells, measured by laser flare-cell photometry, were analyzed as the primary outcomes. RESULTS Eighty-seven patients were recruited, 45 being assigned to the diclofenac group and 42 to the dexamethasone control group. Diclofenac was significantly better than dexamethasone at controlling flare at day 3 (p< or =0.01) and day 12-14 (p< or =0.002). Mean anterior chamber cells were also significantly lower at day 12-14 (p< or =0.021) and day 28 (p< or =0.012). The commonest adverse event was transient punctate keratitis, which occurred in 15 diclofenac and 3 dexamethasone patients. CONCLUSIONS While both treatments were effective at controlling post-operative inflammation, the diclofenac-gentamicin combination followed by diclofenac alone was significantly better at suppressing flare and cells but showed a slightly higher incidence of punctate keratitis and eye discomfort.
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Affiliation(s)
- C P Herbort
- Hôpital Jules Gonin, Department of Ophthalmology, University of Lausanne, Switzerland
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45
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Abstract
Constitutional interstitial deletions of 5q are uncommon. The corresponding phenotype is not well defined. But severe mental retardation seems to be a consistent manifestation. We describe a 4-year-old girl with a de novo deletion of 5q33.3q35.1 presenting only with mild psychomotor delay, minor facial anomalies, and seizures.
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Affiliation(s)
- S Spranger
- Center for Human Genetics and Genetic Counselling, University of Bremen, Germany.
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46
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Granzow M, Popp S, Keller M, Holtgreve-Grez H, Brough M, Schoell B, Rauterberg-Ruland I, Hager HD, Tariverdian G, Jauch A. Multiplex FISH telomere integrity assay identifies an unbalanced cryptic translocation der(5)t(3;5)(q27;p15.3) in a family with three mentally retarded individuals. Hum Genet 2000; 107:51-7. [PMID: 10982035 DOI: 10.1007/s004390000321] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
Abstract
Cryptic rearrangements involving the terminal regions of chromosomes are suspected to be the cause of idiopathic mental retardation in a significant number of cases. This finding highlights the necessity of a primary screening test for such chromosome aberrations. Here we present a multiplex fluorescence in situ hybridization telomere integrity assay which allows the detection of submicroscopic aberrations in the telomeric regions of all chromosomes. This novel approach identified an unbalanced cryptic translocation der(5)t(3;5)(q27;p15.3) in a family with three cases of unexplained mental retardation and dysmorphic features. The symptoms of the patients represent neither the classical dup(3q)- nor cri du chat syndrome, although all affected individuals demonstrate several features of both syndromes. The identification of two balanced translocation carriers emphasizes the significance of the telomere integrity assay for genetic counseling and prenatal diagnosis.
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Affiliation(s)
- M Granzow
- Institute of Human Genetics, Ruprecht Karls-University Heidelberg, Germany
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47
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Abstract
A 13-year-old girl with an unbalanced karyotype 45,XX,-15,der(22)t(15;22)(q13;q13.3) de novo had Prader-Willi syndrome (PWS), (score 13.5), but with features of mental and physical retardation more severe than usually seen in PWS. The clinical diagnosis of PWS was confirmed by methylation analysis that showed absence of the paternal band. With GTG banding, the cytogenetic breakpoint on chromosome 15q13, with 15q14 intact, encompassed the PWS region, while the breakpoint on 22q was terminal. Investigations with FISH utilised ten different probes/combinations, namely SNRPN/PML, TUPLE1/22q13.3, TUPLE/ARSA, GABRB3, three YAC clones and one cosmid for specific regions within chromosome 15q, painting probes for the long arm of chromosomes 15 and 22 and a pantelomere probe. Deletion of SNRPN,TYAC 9 (at 15q11-12), TYAC19 (at 15q13) and GABRB3 (within the PWS locus), was evident on the derivative (22) chromosome, while TYAC10 (at 15q22), cos15-5 (at 15q22) and PML (15q22) were not deleted. On the der(22), 22q13.3 and ARSA were not deleted, but the most distal non specific pantelomeric probe was deleted. Thus, the severe phenotype could be attributable to deletion on chromosome 15q extending beyond q13 to q14, (further than the usual chromosome 15q deletion (q11-13) in PWS), or be related to loss of the very terminal 22q region (from ARSA to the pantelomere) or be due to genetic factors elsewhere in the genome.
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Affiliation(s)
- A Smith
- Department of Cytogenetics, Royal Alexandra Hospital for Children, P.O. Box 3515, Westmead, Parramatta, NSW 2124, Australia.
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48
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Sperandio M, Weber L, Jauch A, Janssen B, Mehls O, Schaefer F. Cutaneous white spots in a child with polycystic kidneys: a clue to TSC2/PKD1 gene mutation. Nephrol Dial Transplant 2000; 15:909-12. [PMID: 10831653 DOI: 10.1093/ndt/15.6.909] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/14/2022] Open
Affiliation(s)
- M Sperandio
- Department of Pediatrics and. Institute of Human Genetics, University of Heidelberg, Germany
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49
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Oner G, Jauch A, Eggermann T, Hardwick R, Kirsch S, Schiebel K, Rappold G, Robson L, Smith A. Mosaic rearrangement of chromosome 18: characterization by FISH mapping and DNA studies shows trisomy 18p and monosomy 18p both of paternal origin. Am J Med Genet 2000; 92:101-6. [PMID: 10797432] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 02/16/2023]
Abstract
Structural abnormalities of chromosome 18p mainly consist of isochromosomes of the short arm, which result in tetrasomy 18p. Trisomy 18p is much rarer, and less well characterized. We report on a 12-year-old girl with minor facial anomalies, delayed development, abnormal hands, atopic dermatitis, and hearing loss. She was mosaic for two abnormal cell lines in peripheral blood. In 90% of cells, a dicentric chromosome with duplication of the whole short arm of chromosome 18 resulted in trisomy 18p; 10% of cells had monosomy 18p, arising from a t(14;18)(p11;q11). FISH mapping, with multiple region specific and locus specific probes from the short and long arm of chromosome 18, showed that the structure of the dicentric chromosome 18 was 18pter-->18q23::18q11-->18pter. DNA polymorphisms for chromosome 18 showed that the abnormalities of chromosome 18 were paternal in origin. Combining all results, we could link the trisomy 18p and monosomy 18p to a common origin via a complex series of events in an early mitosis.
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Affiliation(s)
- G Oner
- Cytogenetics Department, Royal Alexandra Hospital for Children, Westmead, Australia
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50
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Abstract
A man was identified with two X-chromosomal neuromuscular disorders, X-linked Charcot-Marie-Tooth disease (CMTX) and Becker muscular dystrophy (BMD). The neuropathy could be tracked in the family and was found to be caused by a mutation in the connexin32 gene on Xq13. 1. The muscular dystrophy was sporadic owing to a de novo deletion in the dystrophin gene located in band Xp21.2. Although these genetic alterations of the same X-chromosome are considered as physically independent, their combination resulted in a unique phenotype with severe wasting of proximal as well as distal muscles and rapid progression of both conditions.
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Affiliation(s)
- C Bergmann
- Institut für Neuropathologie der Rheinisch-Westfälischen Technischen Hochschule, Pauwelsstrasse 30, D-52074 Aachen, Germany
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