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Schultz J, Freibothe I, Haase M, Glatte P, Barreton G, Ziegler A, Görgens H, Fitze G. Distribution of RET proto-oncogene variants in children with appendicitis. Mol Genet Genomic Med 2022; 10:e1864. [PMID: 34981673 PMCID: PMC8830807 DOI: 10.1002/mgg3.1864] [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] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/25/2021] [Revised: 11/15/2021] [Accepted: 12/17/2021] [Indexed: 11/17/2022] Open
Abstract
Background In addition to patient‐related systemic factors directing the immune response, the pathomechanisms of appendicitis (AP) might also include insufficient drainage leading to inflammation caused by decreased peristalsis. Genetic predisposition accounts for 30%–50% of AP. M. Hirschsprung (HSCR), also characterized by disturbed peristalsis, is associated with variants in the RET proto‐oncogene. We thus hypothesized that RET variants contribute to the etiology of AP. Methods DNA from paraffin‐embedded appendices and clinical data of 264 children were analyzed for the RET c.135A>G variant (rs1800858, NC_000010.11:g.43100520A>G). In 46 patients with gangrenous or perforated AP (GAP), peripheral blood DNA was used for RET sequencing. Results Germline mutations were found in 13% of GAP, whereas no RET mutations were found in controls besides the benign variant p.Tyr791Phe (NC_000010.11:g.43118460A>T). In GAP, the polymorphic G‐allele in rs2435352 (NC_000010.11:g.43105241A>G) in intron 4 was underrepresented (p = 0.0317). Conclusion Our results suggest an impact of the RET proto‐oncogene in the etiology of AP. Mutations were similar to patients with HSCR but no clinical features of HSCR were observed. The pathological phenotypes in both populations might thus represent a multigenic etiology including RET germline mutations with phenotypic heterogeneity and incomplete penetrance.
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Affiliation(s)
- Jurek Schultz
- Department of Pediatric Surgery, University of Technology Dresden, Dresden, Germany
| | - Ines Freibothe
- Department of Pediatric Surgery, University of Technology Dresden, Dresden, Germany
| | - Michael Haase
- Department of Pediatric Surgery, University of Technology Dresden, Dresden, Germany
| | - Patrick Glatte
- Department of Pediatric Surgery, University of Technology Dresden, Dresden, Germany
| | - Gustavo Barreton
- Institute of Pathology, University of Technology Dresden, Dresden, Germany
| | - Andreas Ziegler
- Medizincampus Davos, Davos, Switzerland.,School of Mathematics, Statistics and Computer Science, Pietermaritzburg, South Africa.,University Heart Center Hamburg, University Medical Center Hamburg-Eppendorf, Hamburg, Germany
| | - Heike Görgens
- Department of Surgical Research, University of Technology Dresden, Dresden, Germany
| | - Guido Fitze
- Department of Pediatric Surgery, University of Technology Dresden, Dresden, Germany
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2
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Bucksch K, Zachariae S, Ahadova A, Aretz S, Büttner R, Görgens H, Holinski-Feder E, Hüneburg R, Kloor M, von Knebel Doeberitz M, Ladigan-Badura S, Moeslein G, Morak M, Nattermann J, Nguyen HP, Perne C, Redler S, Schmetz A, Steinke-Lange V, Surowy H, Vangala DB, Weitz J, Loeffler M, Engel C. Adenoma and colorectal cancer risks in Lynch syndrome, Lynch-like syndrome and familial colorectal cancer type X. Int J Cancer 2022; 150:56-66. [PMID: 34469588 DOI: 10.1002/ijc.33790] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [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: 02/10/2021] [Revised: 07/01/2021] [Accepted: 07/16/2021] [Indexed: 01/02/2023]
Abstract
Lynch syndrome (LS), Lynch-like syndrome (LLS) and familial colorectal cancer type X (FCCX) are different entities of familial cancer predisposition leading to an increased risk of colorectal cancer (CRC). The aim of this prospective study was to characterise and to compare the risks for adenoma and CRC in these three risk groups. Data was taken from the registry of the German Consortium for Familial Intestinal Cancer. Patients were prospectively followed up in an intensified colonoscopic surveillance programme that included annual examinations. Cumulative risks for adenoma and CRC were calculated separately for LS, LLS and FCCX, and then for males and females. Multivariate Cox regression was used to analyse the independent contributions of risk group, mismatch repair gene (within LS), sex and previous adenoma. The study population comprised 1448 individuals (103 FCCX, 481 LLS and 864 LS). The risks were similar for colorectal adenomas, but different for first and metachronous CRC between the three risk groups. CRC risk was highest in LS, followed by LLS and lowest in FCCX. Male sex and a prevalent adenoma in the index colonoscopy were associated with a higher risk for incident adenoma and CRC. In patients with LS, CRC risks were particularly higher in female MSH2 than MLH1 carriers. Our study may support the development of risk-adapted surveillance policies in LS, LLS and FCCX.
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Affiliation(s)
- Karolin Bucksch
- Institute for Medical Informatics, Statistics and Epidemiology (IMISE), University of Leipzig, Leipzig, Germany
| | - Silke Zachariae
- Institute for Medical Informatics, Statistics and Epidemiology (IMISE), University of Leipzig, Leipzig, Germany
| | - Aysel Ahadova
- Department of Applied Tumour Biology, Institute of Pathology, University Hospital Heidelberg, Heidelberg, Germany.,Cooperation Unit Applied Tumour Biology, German Cancer Research Center (DKFZ), Heidelberg, Germany
| | - Stefan Aretz
- Institute of Human Genetics, Medical Faculty, University of Bonn, Bonn, Germany.,National Center for Hereditary Tumor Syndromes, University Hospital Bonn, Bonn, Germany
| | | | | | - Elke Holinski-Feder
- Medizinische Klinik und Poliklinik IV, Campus Innenstadt, Klinikum der Universität München, Munich, Germany.,MGZ-Medical Genetics Center, Munich, Germany
| | - Robert Hüneburg
- Department of Internal Medicine I, University Hospital Bonn, Bonn, Germany.,National Center for Hereditary Tumour Syndromes, University Hospital Bonn, Bonn, Germany
| | - Matthias Kloor
- Department of Applied Tumour Biology, Institute of Pathology, University Hospital Heidelberg, Heidelberg, Germany.,Cooperation Unit Applied Tumour Biology, German Cancer Research Center (DKFZ), Heidelberg, Germany
| | - Magnus von Knebel Doeberitz
- Department of Applied Tumour Biology, Institute of Pathology, University Hospital Heidelberg, Heidelberg, Germany.,Cooperation Unit Applied Tumour Biology, German Cancer Research Center (DKFZ), Heidelberg, Germany
| | | | - Gabriela Moeslein
- Ev. Bethesda Krankenhaus Duisburg, Center for Hereditary Tumors, Duisburg, Germany
| | - Monika Morak
- Medizinische Klinik und Poliklinik IV, Campus Innenstadt, Klinikum der Universität München, Munich, Germany.,MGZ-Medical Genetics Center, Munich, Germany
| | - Jacob Nattermann
- Department of Internal Medicine I, University Hospital Bonn, Bonn, Germany
| | - Huu Phuc Nguyen
- Department of Human Genetics, Medical Faculty, Ruhr-University Bochum, Bochum, Germany
| | - Claudia Perne
- Institute of Human Genetics, Medical Faculty, University of Bonn, Bonn, Germany.,National Center for Hereditary Tumor Syndromes, University Hospital Bonn, Bonn, Germany
| | - Silke Redler
- Institute of Human Genetics, Medical Faculty and University Hospital Düsseldorf, Heinrich-Heine-University, Düsseldorf, Germany
| | - Ariane Schmetz
- Institute of Human Genetics, Medical Faculty and University Hospital Düsseldorf, Heinrich-Heine-University, Düsseldorf, Germany
| | - Verena Steinke-Lange
- Medizinische Klinik und Poliklinik IV, Campus Innenstadt, Klinikum der Universität München, Munich, Germany.,MGZ-Medical Genetics Center, Munich, Germany
| | - Harald Surowy
- Institute of Human Genetics, Medical Faculty and University Hospital Düsseldorf, Heinrich-Heine-University, Düsseldorf, Germany
| | - Deepak B Vangala
- Department of Medicine, Knappschaftskrankenhaus, Ruhr-University Bochum, Bochum, Germany
| | - Jürgen Weitz
- Department of Surgery, TU Dresden, Dresden, Germany
| | - Markus Loeffler
- Institute for Medical Informatics, Statistics and Epidemiology (IMISE), University of Leipzig, Leipzig, Germany
| | - Christoph Engel
- Institute for Medical Informatics, Statistics and Epidemiology (IMISE), University of Leipzig, Leipzig, Germany
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3
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Dominguez-Valentin M, Plazzer JP, Sampson JR, Engel C, Aretz S, Jenkins MA, Sunde L, Bernstein I, Capella G, Balaguer F, Macrae F, Winship IM, Thomas H, Evans DG, Burn J, Greenblatt M, de Vos tot Nederveen Cappel WH, Sijmons RH, Nielsen M, Bertario L, Bonanni B, Tibiletti MG, Cavestro GM, Lindblom A, Valle AD, Lopez-Kostner F, Alvarez K, Gluck N, Katz L, Heinimann K, Vaccaro CA, Nakken S, Hovig E, Green K, Lalloo F, Hill J, Vasen HFA, Perne C, Büttner R, Görgens H, Holinski-Feder E, Morak M, Holzapfel S, Hüneburg R, von Knebel Doeberitz M, Loeffler M, Rahner N, Weitz J, Steinke-Lange V, Schmiegel W, Vangala D, Crosbie EJ, Pineda M, Navarro M, Brunet J, Moreira L, Sánchez A, Serra-Burriel M, Mints M, Kariv R, Rosner G, Piñero TA, Pavicic WH, Kalfayan P, Broeke SWT, Mecklin JP, Pylvänäinen K, Renkonen-Sinisalo L, Lepistö A, Peltomäki P, Hopper JL, Win AK, Buchanan DD, Lindor NM, Gallinger S, Marchand LL, Newcomb PA, Figueiredo JC, Thibodeau SN, Therkildsen C, Hansen TVO, Lindberg L, Rødland EA, Neffa F, Esperon P, Tjandra D, Möslein G, Seppälä TT, Møller P. No Difference in Penetrance between Truncating and Missense/Aberrant Splicing Pathogenic Variants in MLH1 and MSH2: A Prospective Lynch Syndrome Database Study. J Clin Med 2021; 10:jcm10132856. [PMID: 34203177 PMCID: PMC8269121 DOI: 10.3390/jcm10132856] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/24/2021] [Revised: 06/15/2021] [Accepted: 06/16/2021] [Indexed: 12/31/2022] Open
Abstract
Background. Lynch syndrome is the most common genetic predisposition for hereditary cancer. Carriers of pathogenic changes in mismatch repair (MMR) genes have an increased risk of developing colorectal (CRC), endometrial, ovarian, urinary tract, prostate, and other cancers, depending on which gene is malfunctioning. In Lynch syndrome, differences in cancer incidence (penetrance) according to the gene involved have led to the stratification of cancer surveillance. By contrast, any differences in penetrance determined by the type of pathogenic variant remain unknown. Objective. To determine cumulative incidences of cancer in carriers of truncating and missense or aberrant splicing pathogenic variants of the MLH1 and MSH2 genes. Methods. Carriers of pathogenic variants of MLH1 (path_MLH1) and MSH2 (path_MSH2) genes filed in the Prospective Lynch Syndrome Database (PLSD) were categorized as truncating or missense/aberrant splicing according to the InSiGHT criteria for pathogenicity. Results. Among 5199 carriers, 1045 had missense or aberrant splicing variants, and 3930 had truncating variants. Prospective observation years for the two groups were 8205 and 34,141 years, respectively, after which there were no significant differences in incidences for cancer overall or for colorectal cancer or endometrial cancers separately. Conclusion. Truncating and missense or aberrant splicing pathogenic variants were associated with similar average cumulative incidences of cancer in carriers of path MLH1 and path_MSH2.
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Affiliation(s)
- Mev Dominguez-Valentin
- Department of Tumor Biology, Institute of Cancer Research, The Norwegian Radium Hospital, 0379 Oslo, Norway; (S.N.); (E.H.); (E.A.R.); (P.M.)
- European Hereditary Tumour Group (EHTG), c/o Lindsays, Caledonian Exchange 19A Canning Street, Edinburgh EH3 8HE, UK; (J.R.S.); (C.E.); (G.C.); (J.B.); (R.H.S.); (J.-P.M.); (G.M.); (T.T.S.)
- The International Society for Gastrointestinal Hereditary Tumours (InSiGHT), The Polyposis Registry, St Mark’s Hospital, Watford Road, Harrow, Middlesex HA1 3UJ, UK; (J.-P.P.); (F.M.); (E.H.-F.)
- Correspondence:
| | - John-Paul Plazzer
- The International Society for Gastrointestinal Hereditary Tumours (InSiGHT), The Polyposis Registry, St Mark’s Hospital, Watford Road, Harrow, Middlesex HA1 3UJ, UK; (J.-P.P.); (F.M.); (E.H.-F.)
- Department of Medicine, Colorectal Medicine and Genetics, The Royal Melbourne Hospital, Melbourne, VIC 3050, Australia;
| | - Julian R. Sampson
- European Hereditary Tumour Group (EHTG), c/o Lindsays, Caledonian Exchange 19A Canning Street, Edinburgh EH3 8HE, UK; (J.R.S.); (C.E.); (G.C.); (J.B.); (R.H.S.); (J.-P.M.); (G.M.); (T.T.S.)
- Institute of Medical Genetics, Division of Cancer and Genetics, Cardiff University School of Medicine, Heath Park, Cardiff CF14 4XN, UK
| | - Christoph Engel
- European Hereditary Tumour Group (EHTG), c/o Lindsays, Caledonian Exchange 19A Canning Street, Edinburgh EH3 8HE, UK; (J.R.S.); (C.E.); (G.C.); (J.B.); (R.H.S.); (J.-P.M.); (G.M.); (T.T.S.)
- Institute for Medical Informatics, Statistics and Epidemiology, University of Leipzig, 04107 Leipzig, Germany;
| | - Stefan Aretz
- Institute of Human Genetics, National Center for Hereditary Tumor Syndromes, Medical Faculty, University Hospital Bonn, University of Bonn, 53127 Bonn, Germany; (S.A.); (C.P.); (S.H.)
| | - Mark A. Jenkins
- Melbourne School of Population and Global Health, Centre for Epidemiology and Biostatistics, The University of Melbourne, Parkville, VIC 3010, Australia; (M.A.J.); (J.L.H.); (A.K.W.)
| | - Lone Sunde
- Department of Clinical Genetics, Aalborg University Hospital, 9000 Aalborg, Denmark;
- Department of Biomedicine, Aarhus University, DK-8000 Aarhus, Denmark
| | - Inge Bernstein
- Department of Surgical Gastroenterology, Aalborg University Hospital, Aalborg University, 9100 Aalborg, Denmark;
- Department of Clinical Medicine, Aalborg University Hospital, Aalborg University, 9100 Aalborg, Denmark
| | - Gabriel Capella
- European Hereditary Tumour Group (EHTG), c/o Lindsays, Caledonian Exchange 19A Canning Street, Edinburgh EH3 8HE, UK; (J.R.S.); (C.E.); (G.C.); (J.B.); (R.H.S.); (J.-P.M.); (G.M.); (T.T.S.)
- The International Society for Gastrointestinal Hereditary Tumours (InSiGHT), The Polyposis Registry, St Mark’s Hospital, Watford Road, Harrow, Middlesex HA1 3UJ, UK; (J.-P.P.); (F.M.); (E.H.-F.)
- Hereditary Cancer Program, Institut Català d’Oncologia-IDIBELL, L, Hospitalet de Llobregat, 08908 Barcelona, Spain; (M.P.); (M.N.); (J.B.)
| | - Francesc Balaguer
- Gastroenterology Department, Hospital Clínic de Barcelona, Centro de Investigación Biomédica en Red de Enfermedades Hepáticas y Digestivas (CIBERehd), Institut d’Investigacions Biomediques August Pi i Sunyer (IDIBAPS), Universitat de Barcelona, 08036 Barcelona, Spain; (F.B.); (L.M.); (A.S.)
| | - Finlay Macrae
- The International Society for Gastrointestinal Hereditary Tumours (InSiGHT), The Polyposis Registry, St Mark’s Hospital, Watford Road, Harrow, Middlesex HA1 3UJ, UK; (J.-P.P.); (F.M.); (E.H.-F.)
- Department of Medicine, Colorectal Medicine and Genetics, The Royal Melbourne Hospital, Melbourne, VIC 3050, Australia;
| | - Ingrid M. Winship
- Department of Genomic Medicine, Royal Melbourne Hospital, University of Melbourne, Melbourne, VIC 3052, Australia;
- Department of Medicine, Royal Melbourne Hospital, University of Melbourne, Melbourne, VIC 3052, Australia
| | - Huw Thomas
- Department of Surgery and Cancer, St Mark’s Hospital, Imperial College London, London HA1 3UJ, UK;
| | - Dafydd Gareth Evans
- Manchester Centre for Genomic Medicine, Manchester University NHS Foundation Trust, Manchester M13 9WL, UK; (D.G.E.); (K.G.); (F.L.)
| | - John Burn
- European Hereditary Tumour Group (EHTG), c/o Lindsays, Caledonian Exchange 19A Canning Street, Edinburgh EH3 8HE, UK; (J.R.S.); (C.E.); (G.C.); (J.B.); (R.H.S.); (J.-P.M.); (G.M.); (T.T.S.)
- The International Society for Gastrointestinal Hereditary Tumours (InSiGHT), The Polyposis Registry, St Mark’s Hospital, Watford Road, Harrow, Middlesex HA1 3UJ, UK; (J.-P.P.); (F.M.); (E.H.-F.)
- Faculty of Medical Sciences, Newcastle University, Newcastle upon Tyne NE1 7RU, UK
| | - Marc Greenblatt
- Larner College of Medicine, University of Vermont, Burlington, VT 05405, USA;
| | | | - Rolf H. Sijmons
- European Hereditary Tumour Group (EHTG), c/o Lindsays, Caledonian Exchange 19A Canning Street, Edinburgh EH3 8HE, UK; (J.R.S.); (C.E.); (G.C.); (J.B.); (R.H.S.); (J.-P.M.); (G.M.); (T.T.S.)
- The International Society for Gastrointestinal Hereditary Tumours (InSiGHT), The Polyposis Registry, St Mark’s Hospital, Watford Road, Harrow, Middlesex HA1 3UJ, UK; (J.-P.P.); (F.M.); (E.H.-F.)
- Department of Genetics, University Medical Center Groningen, University of Groningen, 9713GZ Groningen, The Netherlands
| | - Maartje Nielsen
- Department of Clinical Genetics, Leids Universitair Medisch Centrum, 2300RC Leiden, The Netherlands; (M.N.); (S.W.t.B.)
| | - Lucio Bertario
- Division of Cancer Prevention and Genetics, IEO, European Institute of Oncology, Fondazione IRCCS Istituto Nazionale dei Tumori, IRCCS, 20141 Milan, Italy;
| | - Bernardo Bonanni
- Division of Cancer Prevention and Genetics, IEO, European Institute of Oncology, IRCCS, 20141 Milan, Italy;
| | - Maria Grazia Tibiletti
- Ospedale di Circolo ASST Settelaghi, Centro di Ricerca Tumori Eredo-Familiari, Università dell’Insubria, 21100 Varese, Italy;
| | - Giulia Martina Cavestro
- Gastroenterology and Gastrointestinal Endoscopy Unit, San Raffaele Scientific Institute, Vita-Salute San Raffaele University, 20132 Milan, Italy;
| | - Annika Lindblom
- Department of Molecular Medicine and Surgery, Karolinska Institutet, 171 76 Stockholm, Sweden;
| | - Adriana Della Valle
- Grupo Colaborativo Uruguayo, Investigación de Afecciones Oncológicas Hereditarias (GCU), Hospital Fuerzas Armadas, Montevideo 11600, Uruguay; (A.D.V.); (F.N.); (P.E.)
| | - Francisco Lopez-Kostner
- Programa Cáncer Heredo Familiar, Clínica Universidad de los Andes, Santiago 7550000, Chile; (F.L.-K.); (K.A.)
| | - Karin Alvarez
- Programa Cáncer Heredo Familiar, Clínica Universidad de los Andes, Santiago 7550000, Chile; (F.L.-K.); (K.A.)
| | - Nathan Gluck
- Department of Gastroenterology, Sackler Faculty of Medicine, Tel-Aviv Sourasky Medical Center, Tel-Aviv University, Tel-Aviv 64259, Israel; (N.G.); (R.K.); (G.R.)
| | - Lior Katz
- The Department of Gastroenterology, Gastro-Oncology Unit, High Risk and GI Cancer Prevention Clinic, Sheba Medical Center, Sheba 91120, Israel;
| | - Karl Heinimann
- Medical Genetics, Institute for Medical Genetics and Pathology, University Hospital Basel, 4031 Basel, Switzerland;
| | - Carlos A. Vaccaro
- Hereditary Cancer Program (PROCANHE), Hospital Italiano de Buenos Aires, Buenos Aires C1199ABB, Argentina; (C.A.V.); (T.A.P.); (W.H.P.); (P.K.)
- Instituto de Medicina Traslacional e Ingenieria Biomedica (IMTIB), CONICET IU, Hospital Italiano de Buenos Aires, Buenos Aires C1199ABB, Argentina
| | - Sigve Nakken
- Department of Tumor Biology, Institute of Cancer Research, The Norwegian Radium Hospital, 0379 Oslo, Norway; (S.N.); (E.H.); (E.A.R.); (P.M.)
- Centre for Cancer Cell Reprogramming (CanCell), Institute of Clinical Medicine, Faculty of Medicine, University of Oslo, 4950 Oslo, Norway
| | - Eivind Hovig
- Department of Tumor Biology, Institute of Cancer Research, The Norwegian Radium Hospital, 0379 Oslo, Norway; (S.N.); (E.H.); (E.A.R.); (P.M.)
- Department of Informatics, Centre for Bioinformatics, University of Oslo, 0316 Oslo, Norway
| | - Kate Green
- Manchester Centre for Genomic Medicine, Manchester University NHS Foundation Trust, Manchester M13 9WL, UK; (D.G.E.); (K.G.); (F.L.)
| | - Fiona Lalloo
- Manchester Centre for Genomic Medicine, Manchester University NHS Foundation Trust, Manchester M13 9WL, UK; (D.G.E.); (K.G.); (F.L.)
| | - James Hill
- Department of Surgery, Central Manchester University Hospitals NHS, Foundation Trust, University of Manchester, London M13 9WL, UK;
| | - Hans F. A. Vasen
- Department of Gastroenterology and Hepatology, Leiden University Medical Centre, 2333 Leiden, The Netherlands;
| | - Claudia Perne
- Institute of Human Genetics, National Center for Hereditary Tumor Syndromes, Medical Faculty, University Hospital Bonn, University of Bonn, 53127 Bonn, Germany; (S.A.); (C.P.); (S.H.)
| | - Reinhard Büttner
- Institute of Pathology, University of Cologne, 50937 Cologne, Germany;
| | - Heike Görgens
- Department of Surgery, Technische Universität Dresden, 01062 Dresden, Germany; (H.G.); (J.W.)
| | - Elke Holinski-Feder
- The International Society for Gastrointestinal Hereditary Tumours (InSiGHT), The Polyposis Registry, St Mark’s Hospital, Watford Road, Harrow, Middlesex HA1 3UJ, UK; (J.-P.P.); (F.M.); (E.H.-F.)
- Campus Innenstadt, Medizinische Klinik und Poliklinik IV, Klinikum der Universität München, 80336 Munich, Germany; (M.M.); (V.S.-L.)
- Center of Medical Genetics, 80335 Munich, Germany
| | - Monika Morak
- Campus Innenstadt, Medizinische Klinik und Poliklinik IV, Klinikum der Universität München, 80336 Munich, Germany; (M.M.); (V.S.-L.)
- Center of Medical Genetics, 80335 Munich, Germany
| | - Stefanie Holzapfel
- Institute of Human Genetics, National Center for Hereditary Tumor Syndromes, Medical Faculty, University Hospital Bonn, University of Bonn, 53127 Bonn, Germany; (S.A.); (C.P.); (S.H.)
| | - Robert Hüneburg
- Department of Internal Medicine, University Hospital Bonn, 53127 Bonn, Germany;
| | - Magnus von Knebel Doeberitz
- Department of Applied Tumour Biology, Institute of Pathology, University Hospital Heidelberg, 69120 Heidelberg, Germany;
- Cooperation Unit Applied Tumour Biology, German Cancer Research Center (DKFZ), 69120 Heidelberg, Germany
| | - Markus Loeffler
- Institute for Medical Informatics, Statistics and Epidemiology, University of Leipzig, 04107 Leipzig, Germany;
| | - Nils Rahner
- Medical School, Institute of Human Genetics, Heinrich-Heine-University, 40225 Dusseldorf, Germany;
| | - Jürgen Weitz
- Department of Surgery, Technische Universität Dresden, 01062 Dresden, Germany; (H.G.); (J.W.)
| | - Verena Steinke-Lange
- Campus Innenstadt, Medizinische Klinik und Poliklinik IV, Klinikum der Universität München, 80336 Munich, Germany; (M.M.); (V.S.-L.)
- Center of Medical Genetics, 80335 Munich, Germany
| | - Wolff Schmiegel
- Department of Medicine, Knappschaftskrankenhaus, Ruhr-University Bochum, D-44789 Bochum, Germany; (W.S.); (D.V.)
| | - Deepak Vangala
- Department of Medicine, Knappschaftskrankenhaus, Ruhr-University Bochum, D-44789 Bochum, Germany; (W.S.); (D.V.)
| | - Emma J. Crosbie
- Gynaecological Oncology Research Group, Manchester University NHS Foundation Trust, Manchester, UK and Division of Cancer Sciences, University of Manchester, Manchester M20 4GJ, UK;
| | - Marta Pineda
- Hereditary Cancer Program, Institut Català d’Oncologia-IDIBELL, L, Hospitalet de Llobregat, 08908 Barcelona, Spain; (M.P.); (M.N.); (J.B.)
| | - Matilde Navarro
- Hereditary Cancer Program, Institut Català d’Oncologia-IDIBELL, L, Hospitalet de Llobregat, 08908 Barcelona, Spain; (M.P.); (M.N.); (J.B.)
| | - Joan Brunet
- Hereditary Cancer Program, Institut Català d’Oncologia-IDIBELL, L, Hospitalet de Llobregat, 08908 Barcelona, Spain; (M.P.); (M.N.); (J.B.)
| | - Leticia Moreira
- Gastroenterology Department, Hospital Clínic de Barcelona, Centro de Investigación Biomédica en Red de Enfermedades Hepáticas y Digestivas (CIBERehd), Institut d’Investigacions Biomediques August Pi i Sunyer (IDIBAPS), Universitat de Barcelona, 08036 Barcelona, Spain; (F.B.); (L.M.); (A.S.)
| | - Ariadna Sánchez
- Gastroenterology Department, Hospital Clínic de Barcelona, Centro de Investigación Biomédica en Red de Enfermedades Hepáticas y Digestivas (CIBERehd), Institut d’Investigacions Biomediques August Pi i Sunyer (IDIBAPS), Universitat de Barcelona, 08036 Barcelona, Spain; (F.B.); (L.M.); (A.S.)
| | - Miquel Serra-Burriel
- Centre de Recerca en Economia i Salut (CRES-UPF), Universitat de Barcelona, 08002 Barcelona, Spain;
| | - Miriam Mints
- Division of Obstetrics and Gyneacology, Department of Women’s and Children’s Health, Karolinska Institutet, Karolinska University Hospital, Solna, 171 77 Stockholm, Sweden;
| | - Revital Kariv
- Department of Gastroenterology, Sackler Faculty of Medicine, Tel-Aviv Sourasky Medical Center, Tel-Aviv University, Tel-Aviv 64259, Israel; (N.G.); (R.K.); (G.R.)
| | - Guy Rosner
- Department of Gastroenterology, Sackler Faculty of Medicine, Tel-Aviv Sourasky Medical Center, Tel-Aviv University, Tel-Aviv 64259, Israel; (N.G.); (R.K.); (G.R.)
| | - Tamara Alejandra Piñero
- Hereditary Cancer Program (PROCANHE), Hospital Italiano de Buenos Aires, Buenos Aires C1199ABB, Argentina; (C.A.V.); (T.A.P.); (W.H.P.); (P.K.)
- Instituto de Medicina Traslacional e Ingenieria Biomedica (IMTIB), CONICET IU, Hospital Italiano de Buenos Aires, Buenos Aires C1199ABB, Argentina
| | - Walter Hernán Pavicic
- Hereditary Cancer Program (PROCANHE), Hospital Italiano de Buenos Aires, Buenos Aires C1199ABB, Argentina; (C.A.V.); (T.A.P.); (W.H.P.); (P.K.)
- Instituto de Medicina Traslacional e Ingenieria Biomedica (IMTIB), CONICET IU, Hospital Italiano de Buenos Aires, Buenos Aires C1199ABB, Argentina
| | - Pablo Kalfayan
- Hereditary Cancer Program (PROCANHE), Hospital Italiano de Buenos Aires, Buenos Aires C1199ABB, Argentina; (C.A.V.); (T.A.P.); (W.H.P.); (P.K.)
| | - Sanne W. ten Broeke
- Department of Clinical Genetics, Leids Universitair Medisch Centrum, 2300RC Leiden, The Netherlands; (M.N.); (S.W.t.B.)
| | - Jukka-Pekka Mecklin
- European Hereditary Tumour Group (EHTG), c/o Lindsays, Caledonian Exchange 19A Canning Street, Edinburgh EH3 8HE, UK; (J.R.S.); (C.E.); (G.C.); (J.B.); (R.H.S.); (J.-P.M.); (G.M.); (T.T.S.)
- The International Society for Gastrointestinal Hereditary Tumours (InSiGHT), The Polyposis Registry, St Mark’s Hospital, Watford Road, Harrow, Middlesex HA1 3UJ, UK; (J.-P.P.); (F.M.); (E.H.-F.)
- Departments of Surgery, Central Finland Hospital Nova, University of Jyväskylä, 40620 Jyväskylä, Finland
| | - Kirsi Pylvänäinen
- Department of Education and Science, Sport and Health Sciences, Central Finland Hospital Nova, University of Jyväskylä, FI-40014 Jyväskylä, Finland;
| | - Laura Renkonen-Sinisalo
- Applied Tumour Genomics Research Program, University of Helsinki, 00014 Helsinki, Finland; (L.R.-S.); (A.L.)
- Department of Gastrointestinal Surgery, Helsinki University Central Hospital, University of Helsinki, 00280 Helsinki, Finland
| | - Anna Lepistö
- Applied Tumour Genomics Research Program, University of Helsinki, 00014 Helsinki, Finland; (L.R.-S.); (A.L.)
- Department of Gastrointestinal Surgery, Helsinki University Central Hospital, University of Helsinki, 00280 Helsinki, Finland
| | - Päivi Peltomäki
- Department of Medical and Clinical Genetics, University of Helsinki, 00014 Helsinki, Finland;
| | - John L. Hopper
- Melbourne School of Population and Global Health, Centre for Epidemiology and Biostatistics, The University of Melbourne, Parkville, VIC 3010, Australia; (M.A.J.); (J.L.H.); (A.K.W.)
| | - Aung Ko Win
- Melbourne School of Population and Global Health, Centre for Epidemiology and Biostatistics, The University of Melbourne, Parkville, VIC 3010, Australia; (M.A.J.); (J.L.H.); (A.K.W.)
| | - Daniel D. Buchanan
- Centre for Cancer Research, Faculty of Medicine, Dentistry and Health Sciences, University of Melbourne, Melbourne, VIC 3010, Australia;
- Colorectal Oncogenomics Group, Department of Clinical Pathology, The University of Melbourne, Parkville, VIC 3010, Australia
- Genomic Medicine and Family Cancer Clinic, Royal Melbourne Hospital, Parkville, VIC 3010, Australia
| | - Noralane M. Lindor
- Department of Health Science Research, Mayo Clinic Arizona, Phoenix, AZ 85054, USA;
| | - Steven Gallinger
- Lunenfeld-Tanenbaum Research Institute, Mount Sinai Hospital, University of Toronto, Toronto, ON M5G 1X5, Canada;
| | | | - Polly A. Newcomb
- Public Health Sciences Division, Fred Hutchinson Cancer Research Center, Seattle, WA 98109-1024, USA;
| | | | - Stephen N. Thibodeau
- Department of Laboratory Medicine and Pathology, Mayo Clinic, Rochester, MN 55905, USA;
| | - Christina Therkildsen
- The Danish HNPCC Register, Clinical Research Centre, Copenhagen University Hospital, 2560 Hvidovre, Denmark;
| | - Thomas V. O. Hansen
- Department of Clinical Genetics, Rigshospitalet, Copenhagen University Hospital, 2100 Copenhagen, Denmark;
| | - Lars Lindberg
- Gastro Unit, Copenhagen University Hospital, 2560 Hvidovre, Denmark;
| | - Einar Andreas Rødland
- Department of Tumor Biology, Institute of Cancer Research, The Norwegian Radium Hospital, 0379 Oslo, Norway; (S.N.); (E.H.); (E.A.R.); (P.M.)
| | - Florencia Neffa
- Grupo Colaborativo Uruguayo, Investigación de Afecciones Oncológicas Hereditarias (GCU), Hospital Fuerzas Armadas, Montevideo 11600, Uruguay; (A.D.V.); (F.N.); (P.E.)
| | - Patricia Esperon
- Grupo Colaborativo Uruguayo, Investigación de Afecciones Oncológicas Hereditarias (GCU), Hospital Fuerzas Armadas, Montevideo 11600, Uruguay; (A.D.V.); (F.N.); (P.E.)
| | - Douglas Tjandra
- Department of Medicine, Colorectal Medicine and Genetics, The Royal Melbourne Hospital, Melbourne, VIC 3050, Australia;
- Department of Medicine, Royal Melbourne Hospital, University of Melbourne, Melbourne, VIC 3052, Australia
| | - Gabriela Möslein
- European Hereditary Tumour Group (EHTG), c/o Lindsays, Caledonian Exchange 19A Canning Street, Edinburgh EH3 8HE, UK; (J.R.S.); (C.E.); (G.C.); (J.B.); (R.H.S.); (J.-P.M.); (G.M.); (T.T.S.)
- The International Society for Gastrointestinal Hereditary Tumours (InSiGHT), The Polyposis Registry, St Mark’s Hospital, Watford Road, Harrow, Middlesex HA1 3UJ, UK; (J.-P.P.); (F.M.); (E.H.-F.)
- Surgical Center for Hereditary Tumors, Ev. Bethesda Khs Duisburg, University Witten-Herdecke, 58448 Herdecke, Germany
| | - Toni T. Seppälä
- European Hereditary Tumour Group (EHTG), c/o Lindsays, Caledonian Exchange 19A Canning Street, Edinburgh EH3 8HE, UK; (J.R.S.); (C.E.); (G.C.); (J.B.); (R.H.S.); (J.-P.M.); (G.M.); (T.T.S.)
- The International Society for Gastrointestinal Hereditary Tumours (InSiGHT), The Polyposis Registry, St Mark’s Hospital, Watford Road, Harrow, Middlesex HA1 3UJ, UK; (J.-P.P.); (F.M.); (E.H.-F.)
- Department of Gastrointestinal Surgery, Helsinki University Central Hospital, University of Helsinki, 00280 Helsinki, Finland
- Department of Surgical Oncology, Johns Hopkins Hospital, Baltimore, MA 21287, USA
| | - Pål Møller
- Department of Tumor Biology, Institute of Cancer Research, The Norwegian Radium Hospital, 0379 Oslo, Norway; (S.N.); (E.H.); (E.A.R.); (P.M.)
- European Hereditary Tumour Group (EHTG), c/o Lindsays, Caledonian Exchange 19A Canning Street, Edinburgh EH3 8HE, UK; (J.R.S.); (C.E.); (G.C.); (J.B.); (R.H.S.); (J.-P.M.); (G.M.); (T.T.S.)
- The International Society for Gastrointestinal Hereditary Tumours (InSiGHT), The Polyposis Registry, St Mark’s Hospital, Watford Road, Harrow, Middlesex HA1 3UJ, UK; (J.-P.P.); (F.M.); (E.H.-F.)
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Seppälä TT, Dominguez-Valentin M, Crosbie EJ, Engel C, Aretz S, Macrae F, Winship I, Capella G, Thomas H, Hovig E, Nielsen M, Sijmons RH, Bertario L, Bonanni B, Tibiletti MG, Cavestro GM, Mints M, Gluck N, Katz L, Heinimann K, Vaccaro CA, Green K, Lalloo F, Hill J, Schmiegel W, Vangala D, Perne C, Strauß HG, Tecklenburg J, Holinski-Feder E, Steinke-Lange V, Mecklin JP, Plazzer JP, Pineda M, Navarro M, Vida JB, Kariv R, Rosner G, Piñero TA, Pavicic W, Kalfayan P, Ten Broeke SW, Jenkins MA, Sunde L, Bernstein I, Burn J, Greenblatt M, de Vos Tot Nederveen Cappel WH, Della Valle A, Lopez-Koestner F, Alvarez K, Büttner R, Görgens H, Morak M, Holzapfel S, Hüneburg R, von Knebel Doeberitz M, Loeffler M, Redler S, Weitz J, Pylvänäinen K, Renkonen-Sinisalo L, Lepistö A, Hopper JL, Win AK, Lindor NM, Gallinger S, Le Marchand L, Newcomb PA, Figueiredo JC, Thibodeau SN, Therkildsen C, Wadt KAW, Mourits MJE, Ketabi Z, Denton OG, Rødland EA, Vasen H, Neffa F, Esperon P, Tjandra D, Möslein G, Rokkones E, Sampson JR, Evans DG, Møller P. Uptake of hysterectomy and bilateral salpingo-oophorectomy in carriers of pathogenic mismatch repair variants: a Prospective Lynch Syndrome Database report. Eur J Cancer 2021; 148:124-133. [PMID: 33743481 PMCID: PMC8916840 DOI: 10.1016/j.ejca.2021.02.022] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/19/2020] [Revised: 02/08/2021] [Accepted: 02/15/2021] [Indexed: 12/14/2022]
Abstract
Purpose: This study aimed to report the uptake of hysterectomy and/or bilateral salpingo-oophorectomy (BSO) to prevent gynaecological cancers (risk-reducing surgery [RRS]) in carriers of pathogenic MMR (path_MMR) variants. Methods: The Prospective Lynch Syndrome Database (PLSD) was used to investigate RRS by a cross-sectional study in 2292 female path_MMR carriers aged 30–69 years. Results: Overall, 144, 79, and 517 carriers underwent risk-reducing hysterectomy, BSO, or both combined, respectively. Two-thirds of procedures before 50 years of age were combined hysterectomy and BSO, and 81% of all procedures included BSO. Risk-reducing hysterectomy was performed before age 50 years in 28%, 25%, 15%, and 9%, and BSO in 26%, 25%, 14% and 13% of path_MLH1, path_MSH2, path_MSH6, and path_PMS2 carriers, respectively. Before 50 years of age, 107 of 188 (57%) BSO and 126 of 204 (62%) hysterectomies were performed in women without any prior cancer, and only 5% (20/392) were performed simultaneously with colorectal cancer (CRC) surgery. Conclusion: Uptake of RRS before 50 years of age was low, and RRS was rarely undertaken in association with surgical treatment of CRC. Uptake of RRS aligned poorly with gene- and age-associated risk estimates for endometrial or ovarian cancer that were published recently from PLSD and did not correspond well with current clinical guidelines. The reasons should be clarified. Decision-making on opting for or against RRS and its timing should be better aligned with predicted risk and mortality for endometrial and ovarian cancer in Lynch syndrome to improve outcomes.
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Affiliation(s)
- Toni T Seppälä
- Department of Gastrointestinal Surgery, Helsinki University Central Hospital, University of Helsinki, Helsinki, Finland; Department of Surgical Oncology, Johns Hopkins Hospital, Baltimore, MD, USA; The International Society for Gastrointestinal Hereditary Tumours (InSiGHT), The Polyposis Registry, St Mark's Hospital, Watford Road, Harrow, Middlesex, HA1 3UJ, UK; European Hereditary Tumour Group (EHTG), C/o Lindsays, Caledonian Exchange, 19A Canning Street, Edinburgh, EH3 8HE, United Kingdom.
| | - Mev Dominguez-Valentin
- Department of Tumor Biology, Institute of Cancer Research, The Norwegian Radium Hospital, Oslo, Norway; The International Society for Gastrointestinal Hereditary Tumours (InSiGHT), The Polyposis Registry, St Mark's Hospital, Watford Road, Harrow, Middlesex, HA1 3UJ, UK; European Hereditary Tumour Group (EHTG), C/o Lindsays, Caledonian Exchange, 19A Canning Street, Edinburgh, EH3 8HE, United Kingdom
| | - Emma J Crosbie
- Division of Cancer Sciences, Faculty of Biology, Medicine and Health, University of Manchester and St Mary's Hospital, Manchester, UK; Directorate of Gynaecology, Manchester University, NHS Foundation Trust, Manchester, M13 9WL, UK
| | - Christoph Engel
- Institute for Medical Informatics, Statistics and Epidemiology, University of Leipzig, Leipzig, Germany; The International Society for Gastrointestinal Hereditary Tumours (InSiGHT), The Polyposis Registry, St Mark's Hospital, Watford Road, Harrow, Middlesex, HA1 3UJ, UK
| | - Stefan Aretz
- Institute of Human Genetics, Medical Faculty, University of Bonn, Bonn, Germany; National Center for Hereditary Tumor Syndromes, University Hospital Bonn, Germany
| | - Finlay Macrae
- Colorectal Medicine and Genetics, The Royal Melbourne Hospital, Melbourne, Australia; Department of Medicine, Melbourne University, Melbourne, Australia; The International Society for Gastrointestinal Hereditary Tumours (InSiGHT), The Polyposis Registry, St Mark's Hospital, Watford Road, Harrow, Middlesex, HA1 3UJ, UK
| | - Ingrid Winship
- Colorectal Medicine and Genetics, The Royal Melbourne Hospital, Melbourne, Australia; Department of Medicine, Melbourne University, Melbourne, Australia
| | - Gabriel Capella
- Hereditary Cancer Program, Institut Catal. D'Oncologia-IDIBELL Institut D'Investigació Biomèdica de Bellvitge, L'Hospitalet de Llobregat, Barcelona, Spain; The International Society for Gastrointestinal Hereditary Tumours (InSiGHT), The Polyposis Registry, St Mark's Hospital, Watford Road, Harrow, Middlesex, HA1 3UJ, UK; European Hereditary Tumour Group (EHTG), C/o Lindsays, Caledonian Exchange, 19A Canning Street, Edinburgh, EH3 8HE, United Kingdom
| | - Huw Thomas
- St Mark's Hospital, Department of Surgery and Cancer, Imperial College London, London, UK
| | - Eivind Hovig
- Department of Tumor Biology, Institute of Cancer Research, The Norwegian Radium Hospital, Oslo, Norway; Department of Informatics, University of Oslo, Oslo, Norway
| | - Maartje Nielsen
- Department of Clinical Genetics, Leids Universitair Medisch Centrum, Leiden, Netherlands
| | - Rolf H Sijmons
- Department of Genetics, University of Groningen, University Medical Center Groningen, Groningen, the Netherlands; The International Society for Gastrointestinal Hereditary Tumours (InSiGHT), The Polyposis Registry, St Mark's Hospital, Watford Road, Harrow, Middlesex, HA1 3UJ, UK; European Hereditary Tumour Group (EHTG), C/o Lindsays, Caledonian Exchange, 19A Canning Street, Edinburgh, EH3 8HE, United Kingdom
| | - Lucio Bertario
- Division of Cancer Prevention and Genetics, IEO, European Institute of Oncology IRCCS, Milan, Italy; Fondazione IRCCS Istituto Nazionale Dei Tumori, Milan, Italy
| | - Bernardo Bonanni
- Division of Cancer Prevention and Genetics, IEO, European Institute of Oncology IRCCS, Milan, Italy
| | - Maria G Tibiletti
- Ospedale di Circolo ASST Settelaghi, Centro di Ricerca Tumori Eredo-familiari, Università Dell'Insubria, Varese, Italy
| | - Giulia M Cavestro
- Gastroenterology and Gastrointestinal Endoscopy Unit, Vita-Salute San Raffaele University, San Raffaele Scientific Institute, Milan, Italy
| | - Miriam Mints
- Department of Women's and Children's Health, Division of Obstetrics and Gyneacology, Karolinska Institutet, Karolinska University Hospital, Solna, Stockholm, Sweden
| | - Nathan Gluck
- Tel-Aviv Sourasky Medical Center, Research Center for Digestive Disorders and Liver Diseases; Department of Gastroenterology, Tel-Aviv Sourasky Medical Center and Sackler Faculty of Medicine, Tel-Aviv University, Israel
| | - Lior Katz
- High Risk and GI Cancer Prevention Clinic, Gatro-Oncology Unit, The Department of Gastroenterology, Sheba Medical Center, Israel
| | - Karl Heinimann
- Medical Genetics, Institute for Medical Genetics and Pathology, University Hospital Basel, Switzerland
| | - Carlos A Vaccaro
- Hereditary Cancer Program (PROCANHE) Hospital Italiano de Buenos Aires, Buenos Aires, Argentina; Instituto de Medicina Traslacional e Ingenieria Biomedica (IMTIB), Argentina
| | - Kate Green
- Manchester Centre for Genomic Medicine, Manchester University Hospitals NHS Foundation Trust, Manchester, UK
| | - Fiona Lalloo
- Manchester Centre for Genomic Medicine, Manchester University Hospitals NHS Foundation Trust, Manchester, UK
| | - James Hill
- Department of Surgery, Manchester University Hospitals NHS Foundation Trust and University of Manchester, Manchester, UK
| | - Wolff Schmiegel
- Department of Medicine, Knappschaftskrankenhaus, Ruhr-University Bochum, Bochum, Germany
| | - Deepak Vangala
- Department of Medicine, Knappschaftskrankenhaus, Ruhr-University Bochum, Bochum, Germany
| | - Claudia Perne
- Institute of Human Genetics, Medical Faculty, University of Bonn, Bonn, Germany; National Center for Hereditary Tumor Syndromes, University Hospital Bonn, Germany
| | - Hans-Georg Strauß
- Department of Gynaecology, University Clinics, Martin-Luther University, Halle-Wittenberg, Germany
| | | | - Elke Holinski-Feder
- Medizinische Klinik und Poliklinik IV, Campus Innenstadt, Klinikum der Universität München, Munich, Germany; MGZ- Medical Genetics Center, Munich, Germany; The International Society for Gastrointestinal Hereditary Tumours (InSiGHT), The Polyposis Registry, St Mark's Hospital, Watford Road, Harrow, Middlesex, HA1 3UJ, UK; European Hereditary Tumour Group (EHTG), C/o Lindsays, Caledonian Exchange, 19A Canning Street, Edinburgh, EH3 8HE, United Kingdom
| | - Verena Steinke-Lange
- Medizinische Klinik und Poliklinik IV, Campus Innenstadt, Klinikum der Universität München, Munich, Germany; MGZ- Medical Genetics Center, Munich, Germany
| | - Jukka-Pekka Mecklin
- Faculty of Sport and Health Sciences, University of Jyväskylä, Jyväskylä, Finland & Department of Surgery, Central Finland Health Care District, Jyväskylä, Finland; The International Society for Gastrointestinal Hereditary Tumours (InSiGHT), The Polyposis Registry, St Mark's Hospital, Watford Road, Harrow, Middlesex, HA1 3UJ, UK; European Hereditary Tumour Group (EHTG), C/o Lindsays, Caledonian Exchange, 19A Canning Street, Edinburgh, EH3 8HE, United Kingdom
| | - John-Paul Plazzer
- The Royal Melbourne Hospital, Melbourne, Australia; The International Society for Gastrointestinal Hereditary Tumours (InSiGHT), The Polyposis Registry, St Mark's Hospital, Watford Road, Harrow, Middlesex, HA1 3UJ, UK
| | - Marta Pineda
- Hereditary Cancer Program, Institut Català D'Oncologia-IDIBELL, L'Hospitalet de Llobregat, Barcelona, Spain
| | - Matilde Navarro
- Hereditary Cancer Program, Institut Català D'Oncologia-IDIBELL, L'Hospitalet de Llobregat, Barcelona, Spain
| | - Joan B Vida
- Hereditary Cancer Program, Institut Català D'Oncologia-IDIBELL, L'Hospitalet de Llobregat, Barcelona, Spain
| | - Revital Kariv
- Department of Gastroenterology, Tel-Aviv Sourasky Medical Center and Sackler Faculty of Medicine, Tel-Aviv University, Israel
| | - Guy Rosner
- Department of Gastroenterology, Tel-Aviv Sourasky Medical Center and Sackler Faculty of Medicine, Tel-Aviv University, Israel
| | - Tamara A Piñero
- Instituto de Medicina Traslacional e Ingenieria Biomedica (IMTIB), Argentina
| | - Walter Pavicic
- Instituto de Medicina Traslacional e Ingenieria Biomedica (IMTIB), Argentina
| | - Pablo Kalfayan
- Instituto de Medicina Traslacional e Ingenieria Biomedica (IMTIB), Argentina
| | - Sanne W Ten Broeke
- Department of Genetics, University of Groningen, University Medical Center Groningen, Groningen, the Netherlands
| | - Mark A Jenkins
- Centre for Epidemiology and Biostatistics, Melbourne School of Population and Global Health, The University of Melbourne, Parkville, Victoria, Australia
| | - Lone Sunde
- Department of Clinical Genetics, Aalborg University Hospital, Aarhus, Denmark; Department of Biomedicine, Aarhus University, Aarhus, Denmark
| | - Inge Bernstein
- Department of Surgical Gastroenterology, Aalborg University Hospital, Aalborg, Denmark; Faculty of Clinical Medicine, Aalborg University, Aalborg, Denmark
| | - John Burn
- Faculty of Medical Sciences, Newcastle University, Newcastle Upon Tyne, UK; The International Society for Gastrointestinal Hereditary Tumours (InSiGHT), The Polyposis Registry, St Mark's Hospital, Watford Road, Harrow, Middlesex, HA1 3UJ, UK; European Hereditary Tumour Group (EHTG), C/o Lindsays, Caledonian Exchange, 19A Canning Street, Edinburgh, EH3 8HE, United Kingdom
| | - Marc Greenblatt
- University of Vermont, Larner College of Medicine, Burlington, VT 05405, USA
| | | | - Adriana Della Valle
- Grupo Colaborativo Uruguayo, Investigación de Afecciones Oncológicas Hereditarias (GCU), Hospital Fuerzas Armadas, Montevideo, Uruguay
| | - Francisco Lopez-Koestner
- Lab. Oncología y Genética Molecular, Unidad de Coloproctología Clínica Las Condes, Santiago, Chile
| | - Karin Alvarez
- Lab. Oncología y Genética Molecular, Unidad de Coloproctología Clínica Las Condes, Santiago, Chile
| | | | - Heike Görgens
- Department of Surgery, Technische Universität Dresden, Dresden, Germany
| | - Monika Morak
- Medizinische Klinik und Poliklinik IV, Campus Innenstadt, Klinikum der Universität München, Munich, Germany; MGZ- Medical Genetics Center, Munich, Germany
| | | | - Robert Hüneburg
- Department of Internal Medicine I, University Hospital Bonn, Bonn, Germany
| | - Magnus von Knebel Doeberitz
- Department of Applied Tumour Biology, Institute of Pathology, University Hospital Heidelberg, Heidelberg, Germany; Cooperation Unit Applied Tumour Biology, German Cancer Research Center (DKFZ), Heidelberg, Germany
| | - Markus Loeffler
- Institute for Medical Informatics, Statistics and Epidemiology, University of Leipzig, Leipzig, Germany
| | - Silke Redler
- Heinrich-Heine-University, Medical Faculty, Institute of Human Genetics, Düsseldorf, Germany
| | - Jürgen Weitz
- Department of Surgery, Technische Universität Dresden, Dresden, Germany
| | - Kirsi Pylvänäinen
- Department of Education and Science, Central Finland Health Care District, Jyväskylä, Finland
| | - Laura Renkonen-Sinisalo
- Department of Gastrointestinal Surgery, Helsinki University Central Hospital, Applied Tumour Genomics Research Program, University of Helsinki, Helsinki, Finland
| | - Anna Lepistö
- Department of Gastrointestinal Surgery, Helsinki University Central Hospital, Applied Tumour Genomics Research Program, University of Helsinki, Helsinki, Finland
| | - John L Hopper
- Centre for Epidemiology and Biostatistics, Melbourne School of Population and Global Health, The University of Melbourne, Parkville, Victoria, Australia
| | - Aung K Win
- Centre for Epidemiology and Biostatistics, Melbourne School of Population and Global Health, The University of Melbourne, Parkville, Victoria, Australia; University of Melbourne Centre for Cancer Research, Victorian Comprehensive Cancer Centre, Melbourne, VIC, 3010, Australia; Genetic Medicine, Royal Melbourne Hospital, Parkville, VIC, 3050, Australia
| | | | - Steven Gallinger
- Lunenfeld Tanenbaum Research Institute, Mount Sinai Hospital, University of Toronto
| | | | - Polly A Newcomb
- Public Health Sciences Division, Fred Hutchinson Cancer Research Center, Seattle, WA, 98109-1024, USA
| | - Jane C Figueiredo
- Public Health Sciences Division, Fred Hutchinson Cancer Research Center, Seattle, WA, 98109-1024, USA
| | - Stephen N Thibodeau
- Department of Laboratory Medicine and Pathology, Mayo Clinic, Rochester, MN, 55905, USA
| | - Christina Therkildsen
- The Danish HNPCC Register, Clinical Research Centre, Copenhagen University Hospital, Hvidovre, Denmark
| | - Karin A W Wadt
- Department of Clinical Genetics, Copenhagen University Hospital, Rigshospitalet, Denmark
| | - Marian J E Mourits
- Department of Gynaecologic Oncology, University of Groningen, University Medical Center Groningen, Groningen, the Netherlands
| | - Zohreh Ketabi
- Dept. of Obstetrics and Gynaecology, Copenhagen University Hospital, Rigshospitalet, Denmark
| | - Oliver G Denton
- Institute of Medical Genetics, Division of Cancer and Genetics, Cardiff University School of Medicine, Cardiff, UK
| | - Einar A Rødland
- Department of Tumor Biology, Institute of Cancer Research, The Norwegian Radium Hospital, Oslo, Norway
| | - Hans Vasen
- Department of Gastroenterology and Hepatology, Leiden University Medical Centre, Leiden, the Netherlands
| | - Florencia Neffa
- Lab. Oncología y Genética Molecular, Unidad de Coloproctología Clínica Las Condes, Santiago, Chile
| | - Patricia Esperon
- Lab. Oncología y Genética Molecular, Unidad de Coloproctología Clínica Las Condes, Santiago, Chile
| | - Douglas Tjandra
- Colorectal Medicine and Genetics, The Royal Melbourne Hospital, Melbourne, Australia
| | - Gabriela Möslein
- Department of Surgery, Ev. Krankenhaus Bethesda Hospital, Duisburg, Germany; The International Society for Gastrointestinal Hereditary Tumours (InSiGHT), The Polyposis Registry, St Mark's Hospital, Watford Road, Harrow, Middlesex, HA1 3UJ, UK; European Hereditary Tumour Group (EHTG), C/o Lindsays, Caledonian Exchange, 19A Canning Street, Edinburgh, EH3 8HE, United Kingdom
| | - Erik Rokkones
- Department of Gynaecological Oncology, Division of Cancer Medicine, The Norwegian Radium Hospital, Oslo, Norway
| | - Julian R Sampson
- Institute of Medical Genetics, Division of Cancer and Genetics, Cardiff University School of Medicine, Cardiff, UK; The International Society for Gastrointestinal Hereditary Tumours (InSiGHT), The Polyposis Registry, St Mark's Hospital, Watford Road, Harrow, Middlesex, HA1 3UJ, UK; European Hereditary Tumour Group (EHTG), C/o Lindsays, Caledonian Exchange, 19A Canning Street, Edinburgh, EH3 8HE, United Kingdom
| | - D G Evans
- Division of Evolution and Genomic Medicine, University of Manchester, Manchester, UK; Manchester Centre for Genomic Medicine, Manchester University NHS Foundation Trust, Manchester Academic Health Science Centre, Manchester, UK
| | - Pål Møller
- Department of Tumor Biology, Institute of Cancer Research, The Norwegian Radium Hospital, Oslo, Norway; The International Society for Gastrointestinal Hereditary Tumours (InSiGHT), The Polyposis Registry, St Mark's Hospital, Watford Road, Harrow, Middlesex, HA1 3UJ, UK; European Hereditary Tumour Group (EHTG), C/o Lindsays, Caledonian Exchange, 19A Canning Street, Edinburgh, EH3 8HE, United Kingdom
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5
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Dominguez-Valentin M, Crosbie EJ, Engel C, Aretz S, Macrae F, Winship I, Capella G, Thomas H, Nakken S, Hovig E, Nielsen M, Sijmons RH, Bertario L, Bonanni B, Tibiletti MG, Cavestro GM, Mints M, Gluck N, Katz L, Heinimann K, Vaccaro CA, Green K, Lalloo F, Hill J, Schmiegel W, Vangala D, Perne C, Strauß HG, Tecklenburg J, Holinski-Feder E, Steinke-Lange V, Mecklin JP, Plazzer JP, Pineda M, Navarro M, Vidal JB, Kariv R, Rosner G, Piñero TA, Gonzalez ML, Kalfayan P, Ryan N, Ten Broeke SW, Jenkins MA, Sunde L, Bernstein I, Burn J, Greenblatt M, de Vos Tot Nederveen Cappel WH, Della Valle A, Lopez-Koestner F, Alvarez K, Büttner R, Görgens H, Morak M, Holzapfel S, Hüneburg R, von Knebel Doeberitz M, Loeffler M, Rahner N, Weitz J, Pylvänäinen K, Renkonen-Sinisalo L, Lepistö A, Auranen A, Hopper JL, Win AK, Haile RW, Lindor NM, Gallinger S, Le Marchand L, Newcomb PA, Figueiredo JC, Thibodeau SN, Therkildsen C, Okkels H, Ketabi Z, Denton OG, Rødland EA, Vasen H, Neffa F, Esperon P, Tjandra D, Möslein G, Sampson JR, Evans DG, Seppälä TT, Møller P. Risk-reducing hysterectomy and bilateral salpingo-oophorectomy in female heterozygotes of pathogenic mismatch repair variants: a Prospective Lynch Syndrome Database report. Genet Med 2020; 23:705-712. [PMID: 33257847 PMCID: PMC8026395 DOI: 10.1038/s41436-020-01029-1] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/02/2020] [Accepted: 10/21/2020] [Indexed: 11/09/2022] Open
Abstract
PURPOSE To determine impact of risk-reducing hysterectomy and bilateral salpingo-oophorectomy (BSO) on gynecological cancer incidence and death in heterozygotes of pathogenic MMR (path_MMR) variants. METHODS The Prospective Lynch Syndrome Database was used to investigate the effects of gynecological risk-reducing surgery (RRS) at different ages. RESULTS Risk-reducing hysterectomy at 25 years of age prevents endometrial cancer before 50 years in 15%, 18%, 13%, and 0% of path_MLH1, path_MSH2, path_MSH6, and path_PMS2 heterozygotes and death in 2%, 2%, 1%, and 0%, respectively. Risk-reducing BSO at 25 years of age prevents ovarian cancer before 50 years in 6%, 11%, 2%, and 0% and death in 1%, 2%, 0%, and 0%, respectively. Risk-reducing hysterectomy at 40 years prevents endometrial cancer by 50 years in 13%, 16%, 11%, and 0% and death in 1%, 2%, 1%, and 0%, respectively. BSO at 40 years prevents ovarian cancer before 50 years in 4%, 8%, 0%, and 0%, and death in 1%, 1%, 0%, and 0%, respectively. CONCLUSION Little benefit is gained by performing RRS before 40 years of age and premenopausal BSO in path_MSH6 and path_PMS2 heterozygotes has no measurable benefit for mortality. These findings may aid decision making for women with LS who are considering RRS.
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Affiliation(s)
- Mev Dominguez-Valentin
- Department of Department of Tumor Biology, Institute of Cancer Research, The Norwegian Radium Hospital, Oslo, Norway.
| | - Emma J Crosbie
- Division of Cancer Sciences, Faculty of Biology, Medicine and Health, University of Manchester and St Mary's Hospital, Manchester, UK. .,Directorate of Gynaecology, Manchester University NHS Foundation Trust, Manchester, UK.
| | - Christoph Engel
- Institute for Medical Informatics, Statistics and Epidemiology, University of Leipzig, Leipzig, Germany
| | - Stefan Aretz
- Institute of Human Genetics, University of Bonn, Bonn, Germany.,National Center for Hereditary Tumor Syndromes, University Hospital Bonn, Bonn, Germany
| | - Finlay Macrae
- Colorectal Medicine and Genetics, The Royal Melbourne Hospital, Melbourne, Australia.,Department of Medicine, Melbourne University, Melbourne, Australia
| | - Ingrid Winship
- Colorectal Medicine and Genetics, The Royal Melbourne Hospital, Melbourne, Australia.,Department of Medicine, Melbourne University, Melbourne, Australia
| | - Gabriel Capella
- Hereditary Cancer Program, Institut Catal. d'Oncologia-IDIBELL, L'Hospitalet de Llobregat, Barcelona, Spain
| | - Huw Thomas
- St Mark's Hospital, Department of Surgery and Cancer, Imperial College London, London, UK
| | - Sigve Nakken
- Department of Department of Tumor Biology, Institute of Cancer Research, The Norwegian Radium Hospital, Oslo, Norway.,Centre for Cancer Cell Reprogramming, Institute of Clinical Medicine, Faculty of Medicine, University of Oslo, Oslo, Norway
| | - Eivind Hovig
- Department of Department of Tumor Biology, Institute of Cancer Research, The Norwegian Radium Hospital, Oslo, Norway.,Department of Informatics, University of Oslo, Oslo, Norway
| | | | - Rolf H Sijmons
- Department of Genetics, University of Groningen, University Medical Center Groningen, Groningen, The Netherlands
| | - Lucio Bertario
- IEO, European Institute of Oncology IRCCS, Milan, Italy.,Fondazione IRCCS Istituto Nazionale dei Tumori, Milan, Italy
| | | | - Maria Grazia Tibiletti
- Ospedale di Circolo ASST Settelaghi, Centro di Ricerca tumori eredo-familiari, Università dell'Insubria, Varese, Italy
| | - Giulia Martina Cavestro
- Gastroenterology and Gastrointestinal Endoscopy Unit, Vita-Salute San Raffaele University, San Raffaele Scientific Institute, Milan, Italy
| | - Miriam Mints
- Department of Women's and Children's health, Division of Obstetrics and Gyneacology, Karolinska Institutet, Karolinska University Hospital, Solna, Stockholm, Sweden
| | - Nathan Gluck
- Tel-Aviv Sourasky Medical Center, Research Center for Digestive Disorders and Liver Diseases, Tel-Aviv, Israel.,Department of Gastroenterology, Tel-Aviv Sourasky Medical Center and Sackler Faculty of Medicine, Tel-Aviv University, Tel-Aviv, Israel
| | - Lior Katz
- High Risk and GI Cancer prevention Clinic, Gastro-Oncology Unit, The Department of Gastroenterology, Sheba Medical Center, Tel-Aviv, Israel
| | - Karl Heinimann
- Medical Genetics, Institute for Medical Genetics and Pathology, University Hospital Basel, Basel, Switzerland
| | - Carlos A Vaccaro
- Hereditary Cancer Program (PROCANHE) Hospital Italiano de Buenos Aires, Buenos Aires, Argentina.,Instituto de Ciencias Básicas y Medicina Experimental (ICBME)-Instituto Universitario (IU)-Hospital, Buenos Aires, Argentina
| | - Kate Green
- Manchester Centre for Genomic Medicine, Manchester University Hospitals NHS Foundation Trust, Manchester, UK
| | - Fiona Lalloo
- Manchester Centre for Genomic Medicine, Manchester University Hospitals NHS Foundation Trust, Manchester, UK
| | - James Hill
- Department of Surgery, Manchester University Hospitals NHS Foundation Trust and University of Manchester, Manchester, UK
| | - Wolff Schmiegel
- Department of Medicine, Knappschaftskrankenhaus, Ruhr-University Bochum, Bochum, Germany
| | - Deepak Vangala
- Department of Medicine, Knappschaftskrankenhaus, Ruhr-University Bochum, Bochum, Germany
| | - Claudia Perne
- Institute of Human Genetics, University of Bonn, Bonn, Germany.,National Center for Hereditary Tumor Syndromes, University Hospital Bonn, Bonn, Germany
| | - Hans-Georg Strauß
- Department of Gynaecology, University Clinics, Martin-Luther University, Halle-Wittenberg, Germany
| | | | - Elke Holinski-Feder
- Medizinische Klinik und Poliklinik IV, Campus Innenstadt, Klinikum der Universität München, Munich, Germany.,MGZ Medical Genetics Center, Munich, Germany
| | - Verena Steinke-Lange
- Medizinische Klinik und Poliklinik IV, Campus Innenstadt, Klinikum der Universität München, Munich, Germany.,MGZ Medical Genetics Center, Munich, Germany
| | - Jukka-Pekka Mecklin
- Faculty of Sport and Health Sciences, University of Jyväskylä, Jyväskylä, Finland.,Department of Surgery, Central Finland Health Care District, Jyväskylä, Finland
| | | | - Marta Pineda
- Hereditary Cancer Program, Institut Català d'Oncologia-IDIBELL, L'Hospitalet de Llobregat, Barcelona, Spain
| | - Matilde Navarro
- Hereditary Cancer Program, Institut Català d'Oncologia-IDIBELL, L'Hospitalet de Llobregat, Barcelona, Spain
| | - Joan Brunet Vidal
- Hereditary Cancer Program, Institut Català d'Oncologia-IDIBELL, L'Hospitalet de Llobregat, Barcelona, Spain
| | - Revital Kariv
- Department of Gastroenterology, Tel-Aviv Sourasky Medical Center and Sackler Faculty of Medicine, Tel-Aviv University, Tel-Aviv, Israel
| | - Guy Rosner
- Department of Gastroenterology, Tel-Aviv Sourasky Medical Center and Sackler Faculty of Medicine, Tel-Aviv University, Tel-Aviv, Israel
| | - Tamara Alejandra Piñero
- Instituto de Ciencias Básicas y Medicina Experimental (ICBME)-Instituto Universitario (IU)-Hospital, Buenos Aires, Argentina
| | - María Laura Gonzalez
- Instituto de Ciencias Básicas y Medicina Experimental (ICBME)-Instituto Universitario (IU)-Hospital, Buenos Aires, Argentina
| | - Pablo Kalfayan
- Instituto de Ciencias Básicas y Medicina Experimental (ICBME)-Instituto Universitario (IU)-Hospital, Buenos Aires, Argentina
| | - Neil Ryan
- Division of Cancer Sciences, Faculty of Biology, Medicine and Health, University of Manchester and St Mary's Hospital, Manchester, UK
| | - Sanne W Ten Broeke
- Department of Genetics, University of Groningen, University Medical Center Groningen, Groningen, The Netherlands
| | - Mark A Jenkins
- Centre for Epidemiology and Biostatistics, Melbourne School of Population and Global Health, The University of Melbourne, Parkville, VIC, Australia
| | - Lone Sunde
- Department of Clinical Genetics, Aalborg University Hospital, Aalborg, Denmark.,Department of Biomedicine, Aarhus University, Aarhus, Denmark
| | - Inge Bernstein
- Department of Surgical Gastroenterology, Aalborg University Hospital, Aalborg, Denmark.,Department of Clinical Medicine, Aalborg University, Aalborg, Denmark
| | - John Burn
- Faculty of Medical Sciences, Newcastle University, Newcastle upon Tyne, UK
| | - Marc Greenblatt
- University of Vermont, Larner College of Medicine, Burlington, VT 05405, USA
| | | | - Adriana Della Valle
- Grupo Colaborativo Uruguayo, Investigación de Afecciones Oncológicas Hereditarias (GCU), Hospital Fuerzas Armadas, Montevideo, Uruguay
| | - Francisco Lopez-Koestner
- Lab. Oncología y Genética Molecular, Unidad de coloproctología Clínica Las Condes, Santiago, Chile
| | - Karin Alvarez
- Lab. Oncología y Genética Molecular, Unidad de coloproctología Clínica Las Condes, Santiago, Chile
| | | | - Heike Görgens
- Department of Surgery, Technische Universität Dresden, Dresden, Germany
| | - Monika Morak
- Medizinische Klinik und Poliklinik IV, Campus Innenstadt, Klinikum der Universität München, Munich, Germany.,MGZ Medical Genetics Center, Munich, Germany
| | - Stefanie Holzapfel
- National Center for Hereditary Tumor Syndromes, University Hospital Bonn, Bonn, Germany.,Department of Internal Medicine I, University Hospital Bonn; National Center for Hereditary Tumor Syndromes, University Hospital Bonn, Bonn, Germany
| | - Robert Hüneburg
- National Center for Hereditary Tumor Syndromes, University Hospital Bonn, Bonn, Germany.,Department of Internal Medicine I, University Hospital Bonn; National Center for Hereditary Tumor Syndromes, University Hospital Bonn, Bonn, Germany
| | - Magnus von Knebel Doeberitz
- Department of Applied Tumour Biology, Institute of Pathology, University Hospital Heidelberg, Heidelberg, Germany.,Cooperation Unit Applied Tumour Biology, German Cancer Research Center (DKFZ), Heidelberg, Germany
| | - Markus Loeffler
- Institute for Medical Informatics, Statistics and Epidemiology, University of Leipzig, Leipzig, Germany
| | - Nils Rahner
- Institute of Human Genetics, Medical School, Heinrich Heine University, Duesseldorf, Germany
| | - Jürgen Weitz
- Department of Surgery, Technische Universität Dresden, Dresden, Germany
| | - Kirsi Pylvänäinen
- Department of Education and Science, Central Finland Health Care District, yväskylä, Finland
| | - Laura Renkonen-Sinisalo
- Department of Obstetrics and Gynecology and Tays Cancer Centre, Tampere University Hospital and Tampere University, Tampere, Finland
| | - Anna Lepistö
- Department of Gastrointestinal Surgery, Helsinki University Central Hospital, Applied Tumour Genomics Research Program, University of Helsinki, Helsinki, Finland
| | - Annika Auranen
- Department of Obstetrics and Gynecology and Tays Cancer Centre, Tampere University Hospital and Tampere University, Tampere, Finland
| | - John L Hopper
- Department of Health Science Research, Mayo Clinic Arizona, Phoenix, AZ, USA
| | - Aung Ko Win
- Centre for Epidemiology and Biostatistics, Melbourne School of Population and Global Health, The University of Melbourne, Parkville, VIC, Australia
| | - Robert W Haile
- Department of Medicine, Division of Oncology, Stanford Cancer Institute, Stanford University, Stanford, USA
| | - Noralane M Lindor
- Department of Health Science Research, Mayo Clinic Arizona, Phoenix, AZ, USA
| | - Steven Gallinger
- Lunenfeld Tanenbaum Research Institute, Mount Sinai Hospital, University of Toronto, Toronto, ON, Canada
| | | | - Polly A Newcomb
- Public Health Sciences Division, Fred Hutchinson Cancer Research Center, Seattle, WA, USA
| | - Jane C Figueiredo
- Public Health Sciences Division, Fred Hutchinson Cancer Research Center, Seattle, WA, USA
| | - Stephen N Thibodeau
- Department of Laboratory Medicine and Pathology, Mayo Clinic, Rochester, MN, USA
| | - Christina Therkildsen
- The Danish HNPCC register, Clinical Research Centre, Copenhagen University Hospital, Hvidovre, Denmark
| | - Henrik Okkels
- Department of Molecular Diagnostics, Aalborg University Hospital, Aalborg, Denmark
| | - Zohreh Ketabi
- Dept. of Obstetrics and Gynaecology, Copenhagen University Hospital, Rigshospitalet, Denmark
| | - Oliver G Denton
- Institute of Medical Genetics, Division of Cancer and Genetics, Cardiff University School of Medicine, Cardiff, UK
| | - Einar Andreas Rødland
- Department of Department of Tumor Biology, Institute of Cancer Research, The Norwegian Radium Hospital, Oslo, Norway
| | - Hans Vasen
- Department of Gastroenterology and Hepatology, Leiden University Medical Centre, Leiden, The Netherlands
| | - Florencia Neffa
- Institute of Pathology, University of Cologne, Cologne, Germany
| | | | - Douglas Tjandra
- Colorectal Medicine and Genetics, The Royal Melbourne Hospital, Melborne, Australia.,Department of Medicine, Melbourne University, Melborne, Australia
| | - Gabriela Möslein
- Surgical Center for Hereditary Tumors, Ev. Bethesda Khs Duisburg, University Witten-Herdecke, Herdecke, Germany
| | - Julian R Sampson
- Institute of Medical Genetics, Division of Cancer and Genetics, Cardiff University School of Medicine, Cardiff, UK
| | - D Gareth Evans
- Division of Evolution and Genomic Medicine, University of Manchester, Manchester, UK.,Manchester Centre for Genomic Medicine, Manchester University NHS Foundation Trust, Manchester Academic Health Science Centre, Manchester, UK
| | - Toni T Seppälä
- Department of Gastrointestinal Surgery, Helsinki University Central Hospital, University of Helsinki, Helsinki, Finland.,Department of Surgical Oncology, Johns Hopkins Hospital, Baltimore, MD, USA
| | - Pål Møller
- Department of Department of Tumor Biology, Institute of Cancer Research, The Norwegian Radium Hospital, Oslo, Norway.
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6
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Noack B, Görgens H, Hoffmann T, Fanghänel J, Kocher T, Eickholz P, Schackert HK. Novel Mutations in the Cathepsin C Gene in Patients with Pre-pubertal Aggressive Periodontitis and Papillon-Lefèvre Syndrome. J Dent Res 2016; 83:368-70. [PMID: 15111626 DOI: 10.1177/154405910408300503] [Citation(s) in RCA: 36] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/13/2023] Open
Abstract
Aggressive periodontitis (AP) in pre-pubertal children is often associated with genetic disorders like Papillon-Lefèvre syndrome (PLS). PLS is caused by mutations in the cathepsin C ( CTSC) gene. We report a novel CTSC mutation (c.566-572del) in an otherwise healthy AP child and two novel compound heterozygous mutations (c.947T>G, c.1268G>C) in a PLS patient. We conclude that at least a subset of pre-pubertal AP is due to CTSC mutations and therefore may be an allelic variant of PLS.
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7
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Schackert HK, Agha-Hosseini F, Görgens H, Jatzwauk M, von Kannen S, Noack B, Eckelt U, Hoffmann P, Shabestari SB, Mehdipour P. Complete homozygous deletion of CTSC in an Iranian family with Papillon-Lefèvre syndrome. Int J Dermatol 2014; 53:885-7. [PMID: 23556547 DOI: 10.1111/j.1365-4632.2012.05769.x] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/05/2023]
Affiliation(s)
- Hans K Schackert
- Department of Surgical Research, Technische Universität Dresden, Dresden, Germany
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8
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Steinke V, Holzapfel S, Loeffler M, Holinski-Feder E, Morak M, Schackert HK, Görgens H, Pox C, Royer-Pokora B, von Knebel-Doeberitz M, Büttner R, Propping P, Engel C. Evaluating the performance of clinical criteria for predicting mismatch repair gene mutations in Lynch syndrome: a comprehensive analysis of 3,671 families. Int J Cancer 2014; 135:69-77. [PMID: 24493211 DOI: 10.1002/ijc.28650] [Citation(s) in RCA: 28] [Impact Index Per Article: 2.8] [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: 03/10/2013] [Accepted: 10/30/2013] [Indexed: 12/15/2022]
Abstract
Carriers of mismatch repair (MMR) gene mutations have a high lifetime risk for colorectal and endometrial cancers, as well as other malignancies. As mutation analysis to detect these patients is expensive and time-consuming, clinical criteria and tumor-tissue analysis are widely used as pre-screening methods. The aim of our study was to evaluate the performance of commonly applied clinical criteria (the Amsterdam I and II Criteria, and the original and revised Bethesda Guidelines) and the results of tumor-tissue analysis in predicting MMR gene mutations. We analyzed 3,671 families from the German HNPCC Registry and divided them into nine mutually exclusive groups with different clinical criteria. A total of 680 families (18.5%) were found to have a pathogenic MMR gene mutation. Among all 1,284 families with microsatellite instability-high (MSI-H) colorectal cancer, the overall mutation detection rate was 53.0%. Mutation frequencies and their distribution between the four MMR genes differed significantly between clinical groups (p < 0.001). The highest frequencies were found in families fulfilling the Amsterdam Criteria (46.4%). Families with loss of MSH2 expression had higher mutation detection rates (69.5%) than families with loss of MLH1 expression (43.1%). MMR mutations were found significantly more often in families with at least one MSI-H small-bowel cancer (p < 0.001). No MMR mutations were found among patients under 40-years-old with only colorectal adenoma. Familial clustering of Lynch syndrome-related tumors, early age of onset, and familial occurrence of small-bowel cancer were clinically relevant predictors for Lynch syndrome.
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Affiliation(s)
- Verena Steinke
- Institute of Human Genetics, University of Bonn, Bonn, Germany
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9
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Rahner N, Brockschmidt FF, Steinke V, Kahl P, Becker T, Vasen HFA, Wijnen JT, Tops CJM, Holinski-Feder E, Ligtenberg MJL, Spruijt L, Görgens H, Stemmler S, Kloor M, Dietmaier W, Schumacher J, Nöthen MM, Propping P. Mutation and association analyses of the candidate genes ESR1, ESR2, MAX, PCNA, and KAT2A in patients with unexplained MSH2-deficient tumors. Fam Cancer 2011; 11:19-26. [PMID: 22086303 DOI: 10.1007/s10689-011-9489-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] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Abstract
Lynch syndrome (Hereditary non-polyposis colorectal cancer/HNPCC) is a cancer susceptibility syndrome which is caused by germline mutations in DNA mismatch repair (MMR) genes, in particular MLH1 and MSH2. A pathogenic germline mutation in the respective MMR gene is suggested by the finding of a loss of a mismatch repair protein in tumor tissue on immunohistochemical staining combined with an early age of onset and/or the familial occurrence of colorectal cancer. Pathogenic germline mutations are identifiable in around 60% of patients suspected of Lynch syndrome, depending on the familial occurrence. The aim of the present study was to identify novel susceptibility genes for Lynch syndrome. 64 Healthy controls and 64 Lynch syndrome patients with no pathogenic MSH2 mutation but a loss of MSH2 expression in their tumor tissue were screened for rare and disease causing germline mutations in the functional candidate genes ESR1, ESR2, MAX, PCNA, and KAT2A. Thirty variants were identified, and these were then genotyped in an independent sample of 36 mutation negative Lynch syndrome patients and 234 controls. Since a trend towards association was observed for KAT2A, an additional set of 21 tagging SNPs was analyzed at this locus in a final case-control sample of 142 mutation negative Lynch syndrome patients and 298 controls. The mutation analysis failed to reveal any rare disease-causing mutations. No association was found at the single-marker or haplotypic level for any common disease-modifying variant. The present results suggest that neither rare nor common genetic variants in ESR1, ESR2, MAX, PCNA, or KAT2A contribute to the development of Lynch syndrome.
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Affiliation(s)
- Nils Rahner
- Institute of Human Genetics, BMZ, University of Bonn, Sigmund-Freud-Strasse 25, 53127, Bonn, Germany.
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10
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Venkatachalam R, Verwiel ETP, Kamping EJ, Hoenselaar E, Görgens H, Schackert HK, van Krieken JHJM, Ligtenberg MJL, Hoogerbrugge N, van Kessel AG, Kuiper RP. Identification of candidate predisposing copy number variants in familial and early-onset colorectal cancer patients. Int J Cancer 2011; 129:1635-42. [PMID: 21128281 DOI: 10.1002/ijc.25821] [Citation(s) in RCA: 61] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/08/2010] [Accepted: 11/16/2010] [Indexed: 12/21/2022]
Abstract
In the majority of colorectal cancers (CRCs) under clinical suspicion for a hereditary cause, the disease-causing genetic factors are still to be discovered. To identify such genetic factors we stringently selected a discovery cohort of 41 CRC index patients with microsatellite-stable tumors. All patients were below 40 years of age at diagnosis and/or exhibited an overt family history. We employed genome-wide copy number profiling using high-resolution SNP arrays on germline DNA, which resulted in the identification of novel copy number variants (CNVs) in six patients (15%) encompassing, among others, the cadherin gene CDH18, the bone morphogenetic protein antagonist family gene GREM1, and the breakpoint cluster region gene BCR. In addition, two genomic deletions were encountered encompassing two microRNA genes, hsa-mir-491/KIAA1797 and hsa-mir-646/AK309218. None of these CNVs has previously been reported in relation to CRC predisposition in humans, nor were they encountered in large control cohorts (>1,600 unaffected individuals). Since several of these newly identified candidate genes may be functionally linked to CRC development, our results illustrate the potential of this approach for the identification of novel candidate genes involved in CRC predisposition.
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Affiliation(s)
- Ramprasath Venkatachalam
- Department of Human Genetics, Radboud University Nijmegen Medical Centre, Nijmegen, The Netherlands
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11
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Kern A, Görgens H, Dittert DD, Krüger S, Richter KK, Schackert HK, Saeger HD, Baretton G, Pistorius S. Mutational status of KIT and PDGFRA and expression of PDGFRA are not associated with prognosis after curative resection of primary gastrointestinal stromal tumors (GISTs). J Surg Oncol 2011; 104:59-65. [PMID: 21387320 DOI: 10.1002/jso.21905] [Citation(s) in RCA: 13] [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] [Received: 11/15/2010] [Accepted: 02/14/2011] [Indexed: 11/10/2022]
Abstract
BACKGROUND The aim of this study was to investigate if immunohistochemical expression and mutational status of KIT and PDGFRA in GISTs are associated with the clinical course and disease-free survival after curative resection of the primary tumor without adjuvant systemic therapy. METHODS Paraffin-embedded tumor sections of 95 GISTs were analyzed for KIT and PDGFRA expression by immunohistochemistry. PDGFRA expression was judged using a scoring system subdividing tumors in negative/weak and strong immunoreactivity groups. For mutation analysis, exons 9, 10, 11, 13, and 17 of KIT and exons 10, 12, 14, and 18 of PDGFRA were sequenced. RESULTS Of 95 R0-resected GISTs, 69% showed strong PDGFRA immunoreactivity. Gastric GISTs revealed a significantly higher rate of strong PDGFRA immunoreactivity (P = 0.01) and longer DFS (P = 0.015) than GISTs of the small intestine. KIT mutations were detected in 43 of 63 (68.3%) completely sequenced cases while PDGFRA mutations were identified in 6 cases (10%). In multivariate analysis, neither KIT/PDGFRA expression nor mutational status of KIT or PDGFRA were independent prognostic factors. Only mitotic rate predicted recurrence independently. CONCLUSION Our data do not support the notion that expression of PDGFRA or mutations in KIT or PDGFRA are independent prognostic factors after curative resection of primary GIST.
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Affiliation(s)
- Alexander Kern
- Department of Visceral, Thoracic and Vascular Surgery, Technische Universität Dresden, Dresden, Germany.
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12
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Huhn S, Ingelfinger D, Bermejo JL, Bevier M, Pardini B, Naccarati A, Steinke V, Rahner N, Holinski-Feder E, Morak M, Schackert HK, Görgens H, Pox CP, Goecke T, Kloor M, Loeffler M, Büttner R, Vodickova L, Novotny J, Demir K, Cruciat CM, Renneberg R, Huber W, Niehrs C, Boutros M, Propping P, Vodička P, Hemminki K, Försti A. Polymorphisms in CTNNBL1 in relation to colorectal cancer with evolutionary implications. Int J Mol Epidemiol Genet 2011; 2:36-50. [PMID: 21537400 PMCID: PMC3077237] [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] [Subscribe] [Scholar Register] [Received: 11/08/2010] [Accepted: 11/23/2010] [Indexed: 05/30/2023]
Abstract
Colorectal cancer (CRC) is a complex disease related to environmental and genetic risk factors. Several studies have shown that susceptibility to complex diseases can be mediated by ancestral alleles. Using RNAi screening, CTNNBL1 was identified as a putative regulator of the Wnt signaling pathway, which plays a key role in colorectal carcinogenesis. Recently, single nucleotide polymorphisms (SNPs) in CTNNBL1 have been associated with obesity, a known risk factor for CRC. We investigated whether genetic variation in CTNNBL1 affects susceptibility to CRC and tested for signals of recent selection. We applied a tagging SNP approach that cover all known common variation in CTNNBL1 (allele frequency >5%; r(2)>0.8). A case-control study was carried out using two well-characterized study populations: a hospital-based Czech population composed of 751 sporadic cases and 755 controls and a family/early onset-based German population (697 cases and 644 controls). Genotyping was performed using allele specific PCR based TaqMan® assays (Applied Biosystems, Weiterstadt, Germany). In the Czech cohort, containing sporadic cases, the ancestral alleles of three SNPs showed evidence of association with CRC: rs2344481 (OR 1.44, 95%CI 1.06-1.95, dominant model), rs2281148 (OR 0.59, 95%CI 0.36-0.96, dominant model) and rs2235460 (OR 1.38, 95%CI 1.01-1.89, AA vs. GG). The associations were less prominent in the family/early onset-based German cohort. Data derived from several databases and statistical tests consistently pointed to a likely shaping of CTNNBL1 by positive selection. Further studies are needed to identify the actual function of CTNNBL1 and to validate the association results in other populations.
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Affiliation(s)
- Stefanie Huhn
- Department of Molecular Genetic Epidemiology; German Cancer Research Center (DKFZ)Heidelberg; Germany
| | - Dierk Ingelfinger
- Division of Signaling and Functional Genomics; German Cancer Research Center (DKFZ) and University of HeidelbergGermany
| | - Justo Lorenzo Bermejo
- Department of Molecular Genetic Epidemiology; German Cancer Research Center (DKFZ)Heidelberg; Germany
- Institute of Medical Biometry and Informatics; University Hospital HeidelbergGermany
| | - Melanie Bevier
- Department of Molecular Genetic Epidemiology; German Cancer Research Center (DKFZ)Heidelberg; Germany
| | - Barbara Pardini
- Department of Molecular Biology of Cancer at the Institute of Experimental Medicine; Academy of Sciences of the Czech RepublicPrague; Czech Republic
| | - Alessio Naccarati
- Department of Molecular Biology of Cancer at the Institute of Experimental Medicine; Academy of Sciences of the Czech RepublicPrague; Czech Republic
| | - Verena Steinke
- Institute of Human Genetics; Rheinische Friedrich-Wilhelms-UniversitätBonn; Germany
| | - Nils Rahner
- Institute of Human Genetics; Rheinische Friedrich-Wilhelms-UniversitätBonn; Germany
| | - Elke Holinski-Feder
- Department of Internal Medicine, Campus Innenstadt; University Hospital of the Ludwig-Maximilians-University MunichGermany
| | - Monika Morak
- Department of Internal Medicine, Campus Innenstadt; University Hospital of the Ludwig-Maximilians-University MunichGermany
| | - Hans K Schackert
- Department of Surgical Research at the Universitätsklinikum Carl Gustav Carus; Technische Universität DresdenGermany
| | - Heike Görgens
- Department of Surgical Research at the Universitätsklinikum Carl Gustav Carus; Technische Universität DresdenGermany
| | - Christian P Pox
- Medical Department at the Knappschaftskrankenhaus Bochum; Ruhr University BochumGermany
| | - Timm Goecke
- Institute of Human Genetics and Anthropology; Heinrich-Heine-Universität DüsseldorfGermany
| | - Matthias Kloor
- Department of Applied Tumour Biology at the Institute of Pathology; Ruprecht-Karls-Universität HeidelbergGermany
| | - Markus Loeffler
- Faculty of Medicine, Institute of Medical Informatics, Statistics and Epidemiology; University of LeipzigGermany
| | - Reinhard Büttner
- Institute of Pathology; Rheinische Friedrich-Wilhelms-Universität BonnGermany
| | - Ludmila Vodickova
- Department of Molecular Biology of Cancer at the Institute of Experimental Medicine; Academy of Sciences of the Czech RepublicPrague; Czech Republic
- Department of Toxicogenomics; National Institute of Public HealthPrague; Czech Republic
| | - Jan Novotny
- Department of Oncology; General Teaching HospitalPrague; Czech Republic
| | - Kubilay Demir
- Division of Signaling and Functional Genomics; German Cancer Research Center (DKFZ) and University of HeidelbergGermany
| | - Cristina-Maria Cruciat
- Division of Molecular Embryology; German Cancer Research Center (DKFZ)Heidelberg; Germany
| | | | | | - Christof Niehrs
- Division of Molecular Embryology; German Cancer Research Center (DKFZ)Heidelberg; Germany
| | - Michael Boutros
- Division of Signaling and Functional Genomics; German Cancer Research Center (DKFZ) and University of HeidelbergGermany
| | - Peter Propping
- Institute of Human Genetics; Rheinische Friedrich-Wilhelms-UniversitätBonn; Germany
| | - Pavel Vodička
- Department of Molecular Biology of Cancer at the Institute of Experimental Medicine; Academy of Sciences of the Czech RepublicPrague; Czech Republic
| | - Kari Hemminki
- Department of Molecular Genetic Epidemiology; German Cancer Research Center (DKFZ)Heidelberg; Germany
- Center of Primary Health Care Research at the Clinical Research Center; Lund UniversityMalmö; Sweden
| | - Asta Försti
- Department of Molecular Genetic Epidemiology; German Cancer Research Center (DKFZ)Heidelberg; Germany
- Center of Primary Health Care Research at the Clinical Research Center; Lund UniversityMalmö; Sweden
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13
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Venkatachalam R, Ligtenberg MJL, Hoogerbrugge N, Schackert HK, Görgens H, Hahn MM, Kamping EJ, Vreede L, Hoenselaar E, van der Looij E, Goossens M, Churchman M, Carvajal-Carmona L, Tomlinson IPM, de Bruijn DRH, Van Kessel AG, Kuiper RP. Germline epigenetic silencing of the tumor suppressor gene PTPRJ in early-onset familial colorectal cancer. Gastroenterology 2010; 139:2221-4. [PMID: 21036128 DOI: 10.1053/j.gastro.2010.08.063] [Citation(s) in RCA: 41] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/20/2010] [Accepted: 08/26/2010] [Indexed: 01/05/2023]
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14
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Campa D, Pardini B, Naccarati A, Vodickova L, Novotny J, Steinke V, Rahner N, Holinski-Feder E, Morak M, Schackert HK, Görgens H, Kötting J, Betz B, Kloor M, Engel C, Büttner R, Propping P, Försti A, Hemminki K, Barale R, Vodicka P, Canzian F. Polymorphisms of genes coding for ghrelin and its receptor in relation to colorectal cancer risk: a two-step gene-wide case-control study. BMC Gastroenterol 2010; 10:112. [PMID: 20920174 PMCID: PMC2954942 DOI: 10.1186/1471-230x-10-112] [Citation(s) in RCA: 21] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/14/2010] [Accepted: 09/28/2010] [Indexed: 01/01/2023] Open
Abstract
Background Ghrelin, an endogenous ligand for the growth hormone secretagogue receptor (GHSR), has two major functions: the stimulation of the growth hormone production and the stimulation of food intake. Accumulating evidence also indicates a role of ghrelin in cancer development. Methods We conducted a case-control study to examine the association of common genetic variants in the genes coding for ghrelin (GHRL) and its receptor (GHSR) with colorectal cancer risk. Pairwise tagging was used to select the 11 polymorphisms included in the study. The selected polymorphisms were genotyped in 680 cases and 593 controls from the Czech Republic. Results We found two SNPs associated with lower risk of colorectal cancer, namely SNPs rs27647 and rs35683. We replicated the two hits, in additional 569 cases and 726 controls from Germany. Conclusion A joint analysis of the two populations indicated that the T allele of rs27647 SNP exerted a protective borderline effect (Ptrend = 0.004).
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Affiliation(s)
- Daniele Campa
- Genomic Epidemiology Group, German Cancer Research Center DKFZ, Im Neuenheimer Feld 280, D-69120 Heidelberg, Germany.
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15
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Balaz P, Plaschke J, Krüger S, Görgens H, Schackert HK. TCF-3, 4 protein expression correlates with beta-catenin expression in MSS and MSI-H colorectal cancer from HNPCC patients but not in sporadic colorectal cancers. Int J Colorectal Dis 2010; 25:931-9. [PMID: 20532534 DOI: 10.1007/s00384-010-0959-9] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Accepted: 05/21/2010] [Indexed: 02/04/2023]
Abstract
PURPOSE The beta-catenin-T-cell factor-4 (TCF-4) complex is the main control switch of cell proliferation and differentiation of normal and malignant intestinal cells. The aim of our study was to analyze the protein expression of components of the Wnt pathway in microsatellite stable (MSS) and highly unstable (MSI-H) sporadic and hereditary nonpolyposis colorectal cancer (HNPCC) in human colorectal cancers. METHODS Sixty seven colorectal tumors comprising of 15 sporadic MSS, 12 sporadic microsatellite instability colorectal tumors and 40 tumors from HNPCC patients, of which 20 were MSS and 20 MSI-H, were analyzed for the expression of APC, beta-catenin, and TCF-3, 4 proteins by immunohistochemistry. RESULTS We found a significant difference in cytoplasmic APC expression frequency between sporadic MSS (52%) and HNPCC tumors (78%), whereas no difference was detected between MSI-H and MSS or HNPCC tumors. All tumor groups showed a similar pattern of decreased membranous staining and increased cytoplasmic and nuclear staining for beta-catenin compared to normal cells. Moreover, the TCF-3, 4 protein expression was higher (43%) in HNPCC-associated MSS tumors compared to sporadic tumors (14%; analysis of variance (ANOVA) p < 0.05). For HNPCC tumors, the subcellular beta-catenin expression (membranous, cytoplasmic, and nuclear) correlated with the nuclear TCF-3, 4 signal in MSS tumors (Spearman correlation p < 0.0007) and MSI-H tumors (Spearman correlation p < 0.0001). CONCLUSION We have shown a previously unknown difference in TCF-3, 4 protein expression between sporadic and HNPCC MSS tumors. In addition, we found no difference in nuclear beta-catenin signal intensity, which may be caused by an alteration in Wnt pathway in MSS sporadic tumors by unknown mechanisms leading to lower TCF-3, 4 protein expression. This hypothesis has to be tested in future investigations.
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Affiliation(s)
- Peter Balaz
- Department of Surgical Research, Technische Universität Dresden, Dresden, Germany
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16
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Lascorz J, Försti A, Chen B, Buch S, Steinke V, Rahner N, Holinski-Feder E, Morak M, Schackert HK, Görgens H, Schulmann K, Goecke T, Kloor M, Engel C, Büttner R, Kunkel N, Weires M, Hoffmeister M, Pardini B, Naccarati A, Vodickova L, Novotny J, Schreiber S, Krawczak M, Bröring CD, Völzke H, Schafmayer C, Vodicka P, Chang-Claude J, Brenner H, Burwinkel B, Propping P, Hampe J, Hemminki K. Genome-wide association study for colorectal cancer identifies risk polymorphisms in German familial cases and implicates MAPK signalling pathways in disease susceptibility. Carcinogenesis 2010; 31:1612-9. [PMID: 20610541 DOI: 10.1093/carcin/bgq146] [Citation(s) in RCA: 45] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/22/2023] Open
Abstract
Genetic susceptibility accounts for approximately 35% of all colorectal cancer (CRC). Ten common low-risk variants contributing to CRC risk have been identified through genome-wide association studies (GWASs). In our GWAS, 610 664 genotyped single-nucleotide polymorphisms (SNPs) passed the quality control filtering in 371 German familial CRC patients and 1263 controls, and replication studies were conducted in four additional case-control sets (4915 cases and 5607 controls). Known risk loci at 8q24.21 and 11q23 were confirmed, and a previously unreported association, rs12701937, located between the genes GLI3 (GLI family zinc finger 3) and INHBA (inhibin, beta A) [P = 1.1 x 10(-3), odds ratio (OR) 1.14, 95% confidence interval (CI) 1.05-1.23, dominant model in the combined cohort], was identified. The association was stronger in familial cases compared with unselected cases (P = 2.0 x 10(-4), OR 1.36, 95% CI 1.16-1.60, dominant model). Two other unreported SNPs, rs6038071, 40 kb upstream of CSNK2A1 (casein kinase 2, alpha 1 polypeptide) and an intronic marker in MYO3A (myosin IIIA), rs11014993, associated with CRC only in the familial CRC cases (P = 2.5 x 10(-3), recessive model, and P = 2.7 x 10(-4), dominant model). Three software tools successfully pointed to the overrepresentation of genes related to the mitogen-activated protein kinase (MAPK) signalling pathways among the 1340 most strongly associated markers from the GWAS (allelic P value < 10(-3)). The risk of CRC increased significantly with an increasing number of risk alleles in seven genes involved in MAPK signalling events (P(trend) = 2.2 x 10(-16), OR(per allele) = 1.34, 95% CI 1.11-1.61).
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Affiliation(s)
- Jesús Lascorz
- Division of Molecular Genetic Epidemiology, German Cancer Research Center (DKFZ), Heidelberg 69120, Germany.
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17
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Serra A, Görgens H, Alhadad K, Fitze G, Schackert HK. Analysis of RET, ZEB2, EDN3 and GDNF Genomic Rearrangements in Central Congenital Hyperventilation Syndrome Patients by Multiplex Ligation-dependent Probe Amplification. Ann Hum Genet 2010; 74:369-74. [DOI: 10.1111/j.1469-1809.2010.00577.x] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022]
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18
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Engel C, Rahner N, Schulmann K, Holinski-Feder E, Goecke TO, Schackert HK, Kloor M, Steinke V, Vogelsang H, Möslein G, Görgens H, Dechant S, von Knebel Doeberitz M, Rüschoff J, Friedrichs N, Büttner R, Loeffler M, Propping P, Schmiegel W. Efficacy of annual colonoscopic surveillance in individuals with hereditary nonpolyposis colorectal cancer. Clin Gastroenterol Hepatol 2010; 8:174-82. [PMID: 19835992 DOI: 10.1016/j.cgh.2009.10.003] [Citation(s) in RCA: 135] [Impact Index Per Article: 9.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/21/2009] [Revised: 10/02/2009] [Accepted: 10/02/2009] [Indexed: 02/07/2023]
Abstract
BACKGROUND & AIMS Individuals with hereditary nonpolyposis colorectal cancer (HNPCC; Lynch syndrome) have a high risk for developing colorectal cancer (CRC). We evaluated the efficacy of annual surveillance colonoscopies to detect adenomas and CRCs. METHODS In a prospective, multicenter cohort study, 1126 individuals underwent 3474 colonoscopies. We considered individuals from 3 groups of HNPCC families: those with a pathogenic germline mutation in a mismatch repair gene (MUT group), those without a mutation but with microsatellite instability (MSI group), and those who fulfilled the Amsterdam criteria without microsatellite instability (MSS group). RESULTS Compliance to annual intervals was good, with 81% of colonoscopies completed within 15 months. Ninety-nine CRC events were observed in 90 patients. Seventeen CRCs (17%) were detected through symptoms (8 before baseline colonoscopy, 8 at intervals >15 months to the preceding colonoscopy, and 1 interval cancer). Only 2 of 43 CRCs detected by follow-up colonoscopy were regionally advanced. Tumor stages were significantly lower among CRCs detected by follow-up colonoscopies compared with CRCs detected by symptoms (P = .01). Cumulative CRC risk at the age of 60 years was similar in the MUT and MSI groups (23.0% combined; 95% confidence interval [CI], 14.8%-31.2%) but considerably lower in the MSS group (1.8%; 95% CI, 0.0%-5.1%). Adenomas at baseline colonoscopy predicted an earlier occurrence of subsequent adenoma (hazard ratio, 2.6; 95% CI, 1.7-4.0) and CRC (hazard ratio, 3.9; 95% CI, 1.7-8.5), providing information about interindividual heterogeneity of adenomas and kinetics of CRC formation. CONCLUSIONS Annual colonoscopic surveillance is recommended for individuals with HNPCC. Less intense surveillance might be appropriate for MSS families.
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Affiliation(s)
- Christoph Engel
- Institute of Medical Informatics, Statistics and Epidemiology, University of Leipzig, Leipzig, Germany.
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Noack B, Görgens H, Lorenz K, Schackert HK, Hoffmann T. TLR4 and IL-18 gene variants in chronic periodontitis: impact on disease susceptibility and severity. Immunol Invest 2009; 38:297-310. [PMID: 19811440 DOI: 10.1080/08820130902846290] [Citation(s) in RCA: 15] [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: 12/12/2022]
Abstract
The aim of the study was to assess whether genotypes in the Toll-like receptor 4 gene and in the promoter of the interleukin-18 gene are associated with the susceptibility to chronic periodontitis. 108 chronic periodontitis patients and 76 controls were genotyped for c.896A>G/1196C>T (TLR4 gene) and for c.-368G>C/ c.-838C>A (IL-18 promoter). There were no significant differences in genotype and allele distributions between the study groups. Periodontitis severity in patients with TLR4 c.896AG/1196CT genotype was significantly higher than wildtype carriers. The percentage of teeth with clinical attachment loss > or = 5 mm was 77.3% and 58.8%, respectively (p < or = 0.006, t-test). All subjects were further classified into carriers and non-carriers of at least one variant of each gene. A logistic regression analysis adjusted for gender, smoking, and age showed no association between gene variant carrier status and periodontitis (OR = 1.98, 95% CI 0.61-6.39). The results did not show that IL-18 and TLR4 variants have an effect on the susceptibility to chronic periodontitis. Considering the low number of periodontitis patients carrying TLR4 variants (11%), a comparison of the periodontitis severity depending on the genotype has to be interpreted cautiously.
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Affiliation(s)
- Barbara Noack
- Department of Conservative Dentistry and Periodontology, Medical Faculty Carl Gustav Carus, TU Dresden, Dresden, Germany.
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20
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Serra A, Görgens H, Alhadad K, Ziegler A, Fitze G, Schackert HK. Analysis of RET, ZEB2, EDN3 and GDNF genomic rearrangements in 80 patients with Hirschsprung disease (using multiplex ligation-dependent probe amplification). Ann Hum Genet 2009; 73:147-51. [PMID: 19183406 DOI: 10.1111/j.1469-1809.2008.00503.x] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/27/2022]
Abstract
Hirschsprung disease (HSCR) is transmitted in a complex pattern of inheritance and is mostly associated with variants in the RET proto-oncogene. However, RET mutations are only identified in 15-20% of sporadic HSCR cases and solely in 50% of the familial cases. Since genomic rearrangements in particularly sensitive areas of the RET proto-oncogene and/or associated genes may account for the HSCR phenotype in patients without other detectable RET variants, the aim of the present study was to identify rearrangements in the coding sequence of RET as well as in three HSCR-associated genes (ZEB2, EDN3 and GDNF) in HSCR patients by using Multiplex Ligation-dependent Probe Amplification (MLPA). We have screened 80 HSCR patients for genomic rearrangements in RET, ZEB2, EDN3 and GDNF and did not identify any deletion or amplification in these four genes in all patients. We conclude that genomic rearrangements in RET are rare and were not responsible for the HSCR phenotype in individuals without identifiable germline RET variants in our group of patients, yet this possibility cannot be excluded altogether because the confidence to identify variation in at least two percent of the individuals was only 95%.
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Affiliation(s)
- A Serra
- Departments of Pediatric Surgery and Surgical Research, Technische Universität Dresden, Fetscherstrasse 74, Dresden, Germany.
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21
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Abstract
AIM We aimed to assess the association of different genotypes with increased aggressive periodontitis susceptibility by studying functional relevant variants in the pathogen-recognition receptor Toll-like receptor 4 (TLR4) and variants in the promoter region of the pro-inflammatory cytokine interleukin-18 (IL-18). MATERIAL AND METHODS One hundred and eleven patients with aggressive periodontitis and 80 periodontally healthy controls were genotyped for four functional variants in the TLR4 gene (c.896A>G and c.1196C>T) and in the IL-18 promoter (c.-368G>C and c.-838C>A). The genotype and allele frequencies, as well as the frequency of combined genotypes were compared between study groups. RESULTS There were no statistical differences in genotype and allele frequencies within the four variants between the groups. All study subjects were further classified into carriers and non-carriers of at least one variant of both genes. The logistic regression analysis adjusted for gender and smoking showed no association between carrier status of at least one variant of both genes and periodontal status (OR=1.41, 95% CI: 0.43-4.70). CONCLUSIONS Our results reject the hypothesis that functionally relevant IL-18 and TLR4 gene mutations have a major effect on aggressive periodontitis susceptibility alone or in combination.
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Affiliation(s)
- Barbara Noack
- Department of Conservative Dentistry, Medical Faculty Carl Gustav Carus, TU Dresden, Germany.
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22
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Schulte TL, Liljenqvist U, Görgens H, Hackenberg L, Bullmann V, Tinschert S. Hemihyperplasia-multiple lipomatosis syndrome (HHML): a challenge in spinal care. Acta Orthop Belg 2008; 74:714-719. [PMID: 19058713] [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: 05/27/2023]
Abstract
A 15-year-old girl developed a progressive paraparesis over a period of six months, secondary to spinal cord compression by a lipomatous mass and anomalies of the vertebral column. Clinically, a right hemihyperplasia affecting the trunk and lower limb was evident, as well as a right convex lumbar scoliosis. CT and MRI demonstrated severe spinal cord compression resulting from intraspinal lipomatosis, overgrowth of right facet joints (T8 to L5), and kyphoscoliosis. Surgical decompression was undertaken. A lumbar scoliosis of 48 degrees was partially corrected by means of dual-rod instrumentation. The neurological deficit improved significantly, and ambulation was progressively restored. The patient carried the diagnosis of Proteus syndrome for several years, but reevaluation of clinical features prompted the diagnosis of Hemihyperplasia Multiple Lipomatosis syndrome (HHML). This rare sporadic disorder is often confused with Proteus syndrome. As in Proteus syndrome, spinal cord compression in patients with HHML can result from lipomatous infiltration and/or significant spinal abnormalities including kyphoscoliosis and overgrowth. HHML and Proteus syndrome are discussed and compared with special emphasis on spinal and orthopaedic pathologies.
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Affiliation(s)
- Tobias L Schulte
- Department of Orthopaedics, University Hospital, Albert Schweitzer Strasse 33, 48149 Münster, Germany.
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23
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Abstract
Cathepsin C ( CTSC) mutations are known to cause Papillon-Lefèvre syndrome. The aim of this study was to examine the association of CTSC genotype with susceptibility to non-syndromic aggressive periodontitis. The CTSC gene was analyzed in 110 persons with generalized aggressive periodontitis in comparison with 78 control individuals, after identifying different variants in a cohort of 100 persons. Five out of 19 discovered variants were included in this association study, representing 5 single-nucleotide polymorphism groups in tight linkage disequilibrium. The relevance of genotypes on enzyme function was examined. The carrier frequency of the missense variant p.I453V was significantly increased in persons with disease compared with healthy control individuals (17.3% vs. 6.4%, p < 0.05). CTSC activity in leukocytes from individuals harboring this variant was significantly reduced (119.8 ΔOD/min*105 cells, 95% confidence interval 17.4–174.9, p = 0.018). No influence of promoter variants was found on mRNA expression. The results support the hypothesis that CTSC gene variants contribute to increased susceptibility in generalized aggressive periodontitis.
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Affiliation(s)
- B. Noack
- Department of Conservative Dentistry,
- Department of Surgical Research, and
- Institute of Physiological Chemistry, Dresden University of Technology, Medical Faculty, Fetscherstrasse 74, 01307, Dresden, Germany
- Department of Periodontology, Ernst Moritz Arndt University, Greifswald, Germany; and
- Institute of Medical Biometry and Statistics, University at Lübeck, Germany
| | - H. Görgens
- Department of Conservative Dentistry,
- Department of Surgical Research, and
- Institute of Physiological Chemistry, Dresden University of Technology, Medical Faculty, Fetscherstrasse 74, 01307, Dresden, Germany
- Department of Periodontology, Ernst Moritz Arndt University, Greifswald, Germany; and
- Institute of Medical Biometry and Statistics, University at Lübeck, Germany
| | - U. Hempel
- Department of Conservative Dentistry,
- Department of Surgical Research, and
- Institute of Physiological Chemistry, Dresden University of Technology, Medical Faculty, Fetscherstrasse 74, 01307, Dresden, Germany
- Department of Periodontology, Ernst Moritz Arndt University, Greifswald, Germany; and
- Institute of Medical Biometry and Statistics, University at Lübeck, Germany
| | - J. Fanghänel
- Department of Conservative Dentistry,
- Department of Surgical Research, and
- Institute of Physiological Chemistry, Dresden University of Technology, Medical Faculty, Fetscherstrasse 74, 01307, Dresden, Germany
- Department of Periodontology, Ernst Moritz Arndt University, Greifswald, Germany; and
- Institute of Medical Biometry and Statistics, University at Lübeck, Germany
| | - Th. Hoffmann
- Department of Conservative Dentistry,
- Department of Surgical Research, and
- Institute of Physiological Chemistry, Dresden University of Technology, Medical Faculty, Fetscherstrasse 74, 01307, Dresden, Germany
- Department of Periodontology, Ernst Moritz Arndt University, Greifswald, Germany; and
- Institute of Medical Biometry and Statistics, University at Lübeck, Germany
| | - A. Ziegler
- Department of Conservative Dentistry,
- Department of Surgical Research, and
- Institute of Physiological Chemistry, Dresden University of Technology, Medical Faculty, Fetscherstrasse 74, 01307, Dresden, Germany
- Department of Periodontology, Ernst Moritz Arndt University, Greifswald, Germany; and
- Institute of Medical Biometry and Statistics, University at Lübeck, Germany
| | - H.K. Schackert
- Department of Conservative Dentistry,
- Department of Surgical Research, and
- Institute of Physiological Chemistry, Dresden University of Technology, Medical Faculty, Fetscherstrasse 74, 01307, Dresden, Germany
- Department of Periodontology, Ernst Moritz Arndt University, Greifswald, Germany; and
- Institute of Medical Biometry and Statistics, University at Lübeck, Germany
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24
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Noack B, Görgens H, Schacher B, Puklo M, Eickholz P, Hoffmann T, Schackert HK. Functional Cathepsin C mutations cause different Papillon-Lefèvre syndrome phenotypes. J Clin Periodontol 2008; 35:311-6. [PMID: 18294227 DOI: 10.1111/j.1600-051x.2008.01201.x] [Citation(s) in RCA: 27] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Abstract
AIM The autosomal-recessive Papillon-Lefèvre syndrome (PLS) is characterized by severe aggressive periodontitis, combined with palmoplantar hyperkeratosis, and is caused by mutations in the Cathepsin C (CTSC) gene. This study aimed to identify CTSC mutations in different PLS phenotypes, including atypical forms and isolated pre-pubertal aggressive periodontitis (PAP). MATERIAL AND METHODS Thirteen families with different phenotypes were analysed by direct sequencing of the entire coding region and the regulatory regions of CTSC. The function of novel mutations was tested with enzyme activity measurements. RESULTS In 11 of 13 families, 12 different pathogenic CTSC mutations were found in 10 typical PLS patients, three atypical cases and one PAP patient. Out of four novel mutations, three result in protein truncation and are thus considered to be pathogenic. The homozygous c.854C>T nucleotide exchange (p.P285L) was associated with an almost complete loss of enzyme activity. The observed phenotypic heterogeneity could not be associated with specific genotypes. CONCLUSIONS The phenotypic variability of the PLS associated with an identical genetic background may reflect the influence of additional genetic or environmental factors on disease characteristics. CTSC mutation analyses should be considered for differential diagnosis in all children suffering from severe aggressive periodontitis.
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Affiliation(s)
- Barbara Noack
- Department of Conservative Dentistry, University Hospital Carl Gustav Carus, TU Dresden, Germany.
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25
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Krüger S, Kinzel M, Walldorf C, Gottschling S, Bier A, Tinschert S, von Stackelberg A, Henn W, Görgens H, Boue S, Kölble K, Büttner R, Schackert HK. Homozygous PMS2 germline mutations in two families with early-onset haematological malignancy, brain tumours, HNPCC-associated tumours, and signs of neurofibromatosis type 1. Eur J Hum Genet 2007; 16:62-72. [PMID: 17851451 DOI: 10.1038/sj.ejhg.5201923] [Citation(s) in RCA: 67] [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: 12/23/2022] Open
Abstract
Heterozygous germline mutations in mismatch repair (MMR) genes MLH1, PMS2, MSH2, and MSH6 cause Lynch syndrome. New studies have indicated that biallelic mutations lead to a distinctive syndrome, childhood cancer syndrome (CCS), with haematological malignancies and tumours of brain and bowel early in childhood, often associated with signs of neurofibromatosis type 1. We provide further evidence for CCS reporting on six children from two consanguineous families carrying homozygous PMS2 germline mutations. In family 1, all four children had the homozygous p.I590Xfs mutation. Two had a glioblastoma at the age of 6 years and one of them had three additional Lynch-syndrome associated tumours at 15. Another sibling suffered from a glioblastoma at age 9, and the fourth sibling had infantile myofibromatosis at 1. In family 2, two of four siblings were homozygous for the p.G271V mutation. One had two colorectal cancers diagnosed at ages 13 and 14, the other had a Non-Hodgkin's lymphoma and a colorectal cancer at ages 10 and 11, respectively. All children with malignancies had multiple café-au-lait spots. After reviewing published cases of biallelic MMR gene mutations, we provide a concise description of CCS, revealing similarities in age distribution with carriers of heterozygous MMR gene mutations.
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Affiliation(s)
- Stefan Krüger
- Department of Surgical Research, Dresden University of Technology, Dresden, Germany.
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Krüger S, Engel C, Bier A, Silber AS, Görgens H, Mangold E, Pagenstecher C, Holinski-Feder E, von Knebel Doeberitz M, Royer-Pokora B, Dechant S, Pox C, Rahner N, Müller A, Schackert HK. The additive effect of p53 Arg72Pro and RNASEL Arg462Gln genotypes on age of disease onset in Lynch syndrome patients with pathogenic germline mutations in MSH2 or MLH1. Cancer Lett 2007; 252:55-64. [PMID: 17224235 DOI: 10.1016/j.canlet.2006.12.006] [Citation(s) in RCA: 22] [Impact Index Per Article: 1.3] [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: 10/09/2006] [Revised: 12/01/2006] [Accepted: 12/04/2006] [Indexed: 01/28/2023]
Abstract
p53 and the prostate-cancer-susceptibility gene RNASEL are tumour suppressor genes involved in apoptosis. We have previously reported that the common, functionally different variants Arg72Pro in p53 and Arg462Gln in RNASEL are associated with the age of disease onset of colorectal cancer in Lynch syndrome patients. To assess the combined effect of both variants, we screened 246 unrelated Lynch syndrome patients with a pathogenic germline mutation either in MSH2 (n=138) or in MLH1 (n=108) and colorectal cancer as first tumour, and 245 healthy controls. The global log rank test revealed significant differences in the age of disease onset for the genotypes of each variant (p=0.0176 for p53 and p=0.0358 for RNASEL) and for the combined genotypes of both variants (p=0.0174). The highest difference in median age of disease onset was seen between homozygotes for the wild-types in both genes (42years [range 22-75]) and homozygotes for the variant alleles in both genes (30years [range 26-47]). A multivariate Cox regression model indicated that only the p53 and RNASEL genotypes had a significant influence on age of disease onset (p=0.016 for p53 and p=0.014 for RNASEL) in an additive mode of inheritance, and that the effects of both variants are purely additive, which supports the notion that the p53 and RNaseL pathways do not interact. These findings may be relevant for preventive strategies in Lynch syndrome.
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Affiliation(s)
- Stefan Krüger
- Department of Surgical Research, Dresden University of Technology, D-01307 Dresden, Germany.
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Görgens H, Müller A, Krüger S, Kuhlisch E, König IR, Ziegler A, Schackert HK, Eckelt U. Analysis of the base excision repair genes MTH1, OGG1 and MUTYH in patients with squamous oral carcinomas. Oral Oncol 2007; 43:791-5. [PMID: 17207658 DOI: 10.1016/j.oraloncology.2006.10.004] [Citation(s) in RCA: 23] [Impact Index Per Article: 1.4] [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: 08/01/2006] [Revised: 10/10/2006] [Accepted: 10/10/2006] [Indexed: 02/08/2023]
Abstract
A number of environmental factors, such as tobacco and alcohol, have been implicated, through oxidative DNA damage, in the development of squamous cell carcinomas of the head and neck (SCCHN). Several pathways are involved in the repair of DNA lesions caused by oxidative stress, such as the base excision repair system (BER), which repairs mutation involving 8-oxoguanine and comprises the MUTYH, OGG1 and MTH1 genes. We analysed 29 patients, assessing germline polymorphisms or mutations in these genes by complete genomic sequencing of exons and adjacent intronic regions. Thirty healthy blood donors served as controls. No pathogenic germline mutations were identified. We found common and rare new variants in the coding and adjacent intronic regions. In summary, our data do not support a major role for MUTYH, OGG1 and MTH1 variants in the etiology of sporadic squamous oral/oropharyngeal carcinomas. This does not exclude the involvement of the three BER genes in the tumorigenesis of SCCHN through other mechanisms such as promotor hypermethylation, genomic rearrangements or mutations involving regulatory sequences.
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Affiliation(s)
- Heike Görgens
- Department of Surgical Research, Technische Universität Dresden, D-01307 Dresden, Germany
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Abstract
OBJECTIVE The CARD15 gene encodes a protein that acts as an intracellular receptor of bacterial products, thus playing an important role in the innate immune response. Recently, CARD15 gene variants have been identified as a cause of increased susceptibility to Crohn's disease. The present study aimed to examine a potential association of CARD15 gene variants with aggressive periodontitis susceptibility. MATERIAL AND METHODS The three main known CARD15 gene variants (p.R702W, p.G908R, and p.L1007fsX1008) were analysed by direct sequencing of exon 4, 8, and 11 of the gene in a total of 86 generalized aggressive periodontitis patients in comparison with 67 healthy controls. RESULTS The mutant allele frequencies of the CARD15 variants were low in the generalized aggressive periodontitis group as well as in the control group and not significantly different (R702W: 3.5% versus 5.2%; G908R: 1.7% versus 1.5%; L1007fsX1008: 5.2% versus 4.5%). Two rare variants (A755V and R791Q), previously described only in patients with other inflammatory diseases, were observed in three patients having aggressive periodontitis but not in controls. CONCLUSIONS Unlike in Crohn's disease, our results did not show an association between the three main CARD15 mutations and aggressive periodontitis. The role of rare variants remains unclear.
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Affiliation(s)
- B Noack
- Department of Conservative Dentistry, University Hospital Carl Gustav Carus, Dresden University of Technology, Dreseden, Germany.
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Görgens H, Krüger S, Kuhlisch E, Pagenstecher C, Höhl R, Schackert HK, Müller A. Microsatellite stable colorectal cancers in clinically suspected hereditary nonpolyposis colorectal cancer patients without vertical transmission of disease are unlikely to be caused by biallelic germline mutations in MYH. J Mol Diagn 2006; 8:178-82. [PMID: 16645203 PMCID: PMC1867585 DOI: 10.2353/jmoldx.2006.050119] [Citation(s) in RCA: 14] [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: 01/04/2023] Open
Abstract
Microsatellite analysis and immunohistochemistry are commonly used initial screening tests for hereditary nonpolyposis colorectal cancer. However, tumors in roughly one-half of the patients fulfilling the Bethesda guidelines are microsatellite stable. In addition, normal mismatch repair protein expression in these tumors suggests that a defect in the mismatch repair system is unlikely. Because biallelic MYH mutations occur in patients with both high and low numbers of adenomas, we hypothesized that MYH is involved in the tumorigenesis of microsatellite stable colorectal cancers in patients without vertical transmission of disease and who fulfill the Bethesda guidelines. MYH was analyzed in 50 cancer patients and 116 healthy controls by complete genomic DNA sequencing. No biallelic germline mutations were identified. One patient was a heterozygous carrier for the p.G382D missense mutation, and another patient was a heterozygous carrier for the novel missense mutation p.Q484H. We identified six common variants, three in the coding region (p.V22M, p.Q324H, and p.S501F) and three in adjacent intronic regions (c.157+30A>G, c.462+35G>A, and c.1435-40G>C). In summary, biallelic germline mutations of MYH are unlikely to cause colorectal cancer in patients sharing clinical features with hereditary nonpolyposis colorectal cancer families without mismatch repair defect and therefore cannot fill the molecular diagnostic gap in this subgroup of Bethesda-positive patients.
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Affiliation(s)
- Heike Görgens
- Department of Surgical Research, Universitätsklinikum Carl Gustav Carus, Dresden University of Technology, Dresden, Germany
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Pistorius S, Görgens H, Plaschke J, Hoehl R, Krüger S, Engel C, Saeger HD, Schackert HK. Genomic rearrangements in MSH2, MLH1 or MSH6 are rare in HNPCC patients carrying point mutations. Cancer Lett 2006; 248:89-95. [PMID: 16837128 DOI: 10.1016/j.canlet.2006.06.002] [Citation(s) in RCA: 17] [Impact Index Per Article: 0.9] [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: 04/03/2006] [Revised: 05/30/2006] [Accepted: 06/07/2006] [Indexed: 01/10/2023]
Abstract
Hereditary nonpolyposis colorectal cancer (HNPCC) is an autosomal dominant disease with high penetrance, caused by germline mutations in the mismatch repair (MMR) genes MLH1, MSH2, MSH6, PMS2 and MLH3. Most reported pathogenic mutations are point mutations, comprising single base substitutions, small insertions and deletions. In addition, genomic rearrangements, such as large deletions and duplications not detectable by PCR and Sanger sequencing, have been identified in a significant proportion of HNPCC families, which do not carry a pathogenic MMR gene point mutation. To clarify whether genomic rearrangements in MLH1, MSH2 or MSH6 also occur in patients carrying a point mutation, we subjected normal tissue DNA of 137 colorectal cancer (CRC) patients to multiplex ligation-dependent probe amplification (MLPA) analysis. Patients fulfilled the following pre-requisites: all patients met at least one criterion of the Bethesda guidelines and their tumors exhibited high microsatellite instability (MSI-H) and/or showed loss of expression of MLH1, MSH2 or MSH6 proteins. PCR amplification and Sanger sequencing of all exons of at least one MMR gene, whose protein expression had been lost in the tumor tissue, identified 52 index patients without a point mutation (Group 1), 71 index patients with a pathogenic point mutation in MLH1 (n=38) or MSH2 (n=22) or MSH6 (n=11) (Group 2) and 14 patients with an unclassified variant in MLH1 (n=9) or MSH2 (n=3) or MSH6 (n=2) (Group 3). In 13 of 52 patients of group 1 deletions of at least one exon were identified. In addition, in group 3 one EX1_15del in MLH1 was found. No genomic rearrangement was identified in group 2 patients. Genomic rearrangements represent a significant proportion of pathogenic mutations of MMR genes in HNPCC patients. However, genomic rearrangements are rare in patients carrying point mutations in MMR genes. These findings suggest the use of genomic rearrangement tests in addition to Sanger sequencing in HNPCC patients.
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Affiliation(s)
- Steffen Pistorius
- Department of Visceral, Thoracic and Vascular Surgery, Technische Universität Dresden, Fetscherstr. 74, 01307 Dresden, Germany.
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Pistorius S, Görgens H, Krüger S, Engel C, Mangold E, Pagenstecher C, Holinski-Feder E, Moeslein G, von Knebel Doeberitz M, Rüschoff J, Karner-Hanusch J, Saeger HD, Schackert HK. N-acetyltransferase (NAT) 2 acetylator status and age of onset in patients with hereditary nonpolyposis colorectal cancer (HNPCC). Cancer Lett 2005; 241:150-7. [PMID: 16337339 DOI: 10.1016/j.canlet.2005.10.018] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/08/2005] [Revised: 10/11/2005] [Accepted: 10/13/2005] [Indexed: 01/05/2023]
Abstract
N-acetyltransferase (NAT) 2 is an essential polymorphic enzyme involved in the metabolism of various xenobiotics, including potential carcinogens. The individual differences in the NAT2 metabolic capacity are caused by allelic variants of the NAT2 gene which are determined by a pattern of single nucleotide polymorphisms (SNPs) resulting in slow (SA), intermediate (IA) or rapid acetylator (RA) phenotypes. Highly penetrant germline mutations in mismatch repair (MMR) genes are the cause of the disease in hereditary nonpolyposis colorectal cancer (HNPCC). There is no strict correlation between the type of germline mutation in MMR genes and the HNPCC phenotype, but age of tumor onset (AO) in HNPCC has been associated at least in part with different variants in apoptosis-related genes. To clarify the potential modifying role of the NAT2 acetylator status in HNPCC, we performed a multicenter study in 226 individuals with colorectal cancer carrying exclusively pathogenic germline mutations in MSH2 or MLH1. We did not observe any significant difference in the NAT2 acetylator status frequency between HNPCC patients and 107 healthy controls (P=0.156), and between MLH1 and MSH2 mutation carriers (P=0.198). Multivariate Cox regression analysis revealed that male patients had a significantly increased risk to develop CRC compared to females during any interval (P=0.043), while the NAT2 acetylator status (P=0.447) and the mutated gene (MLH1 or MSH2) (P=0.236) were not risk factors for AO. The median AO in HNPCC patients was 39 years in patients with RA as well as with SA status (P=0.347). In MLH1 mutation carriers, the median AO was 38 years in RA and 36 years in SA status patients (P=0.901), whereas in MSH2 mutation carriers, the median AO was 39 years in RA and 42 years in SA status patients (P=0.163). Log-rank test revealed a significantly lower age of CRC onset in male compared to female HNPCC patients (P=0.0442). These data do not support the hypothesis that the NAT2 acetylatorship acts as a modifying factor on AO in HNPCC-associated CRC.
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Affiliation(s)
- Steffen Pistorius
- Department of Visceral, Thoracic and Vascular Surgery, University of Technology Dresden, Fetscherstr. 74, 01307 Dresden, Germany.
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Krüger S, Silber AS, Engel C, Görgens H, Mangold E, Pagenstecher C, Holinski-Feder E, von Knebel Doeberitz M, Moeslein G, Dietmaier W, Stemmler S, Friedl W, Rüschoff J, Schackert HK. Arg462Gln sequence variation in the prostate-cancer-susceptibility gene RNASEL and age of onset of hereditary non-polyposis colorectal cancer: a case-control study. Lancet Oncol 2005; 6:566-72. [PMID: 16054567 DOI: 10.1016/s1470-2045(05)70253-9] [Citation(s) in RCA: 43] [Impact Index Per Article: 2.3] [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: 01/18/2023]
Abstract
BACKGROUND RNASEL is thought to be a susceptibility gene for hereditary prostate cancer and encodes the endoribonuclease RNase L, which has a role in apoptosis and is a candidate tumour-suppressor protein. A common sequence variation in RNASEL, Arg462Gln, has been associated with hereditary and sporadic prostate cancer, and the Gln variant has about three-fold reduced RNase activity in vitro. In view of the association between the age of onset of hereditary non-polyposis colorectal cancer and functionally different variants of P53, which play a key part in the apoptotic pathway, we aimed to assess whether the Arg462Gln variation of RNASEL affects the age of onset of hereditary non-polyposis colorectal cancer. METHODS We screened 251 patients with hereditary non-polyposis colorectal cancer who were unrelated, had pathogenic germline mutations in MSH2 (n=141) or MLH1 (n=110), and had colorectal carcinoma as the first tumour, for variation at codon 462 of RNASEL and compared them with 439 healthy controls. FINDINGS The median age of onset was 40 years (range 17-75) for patients with an Arg/Arg genotype at codon 462, 37 years (13-69) for patients with an Arg/Gln genotype, and 34 years (20-49) for those with a Gln/Gln genotype (p=0.0198). Only the RNASEL genotype had a significant effect on age of onset (p=0.0062) in an additive mode of inheritance. Pair-wise comparisons between genotype groups showed that the two homozygous groups (ie, Arg/Arg vs Gln/Gln) differed significantly in age of disease onset (mean age difference 4.8 years [SD 1.7], p=0.0044). INTERPRETATION A sequence variation in the prostate-cancer-susceptibility gene RNASEL has a role in a different, unassociated malignant disease. Genotypes at RNASEL codon 462 are associated with age of onset of hereditary non-polyposis colorectal cancer in a dose-dependent way, and might have a role in preventive strategies for this disease.
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Affiliation(s)
- Stefan Krüger
- Department of Surgical Research, Dresden University of Technology, Dresden, Germany.
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Görgens H, Fitze G, Roesner D, Schackert HK. One-Step Analysis of Ten Functional Haplotype Combinations of the Basic RET Promoter with a LightCycler Assay. Clin Chem 2004; 50:1693-5. [PMID: 15265820 DOI: 10.1373/clinchem.2004.034165] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
Affiliation(s)
- Heike Görgens
- Department of Surgical Research, Universitätsklinikum Carl Gustav Carus, Dresden University of Technology, Germany
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Fitze G, Appelt H, König IR, Görgens H, Stein U, Walther W, Gossen M, Schreiber M, Ziegler A, Roesner D, Schackert HK. Functional haplotypes of the RET proto-oncogene promoter are associated with Hirschsprung disease (HSCR). Hum Mol Genet 2003; 12:3207-14. [PMID: 14600022 DOI: 10.1093/hmg/ddg354] [Citation(s) in RCA: 64] [Impact Index Per Article: 3.0] [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: 11/14/2022] Open
Abstract
The activation of the RET signaling pathway during embryogenesis is a crucial prerequisite for a directional migration of enteric nervous system progenitor cells. Loss-of-function germline mutations of the RET proto-oncogene are reported in familial and sporadic cases of Hirschsprung disease (HSCR) with a variable frequency. Furthermore, variants of several RET polymorphisms are over- or under-represented in HSCR populations. Specifically, the c.135A RET variant has been previously shown to be strongly associated with the HSCR phenotype. We have reported an HSCR-phenotype modifying effect of the RET c.135G>A polymorphism due to a within-gene interaction in patients harboring RET germline mutations, yet the function of the c.135G>A variant is unknown. The basic RET promoter region was investigated by DNA sequencing approach in 80 HSCR patients. Identified polymorphisms were genotyped in the HSCR and in a control population and haplotypes were reconstructed. The dual-luciferase assay was used to evaluate the activity of different RET promoter haplotypes. We demonstrate that variants of two RET promoter polymorphisms -5G>A and -1C>A from the transcription start site are associated with HSCR. Furthermore, the -5G>A polymorphism is in strong linkage disequilibrium with the c.135G>A polymorphism. The promoter haplotype -5/-1AC associated with HSCR has a significantly lower activity in an in vitro dual-luciferase expression assay compared with those haplotypes identified in the majority of normal controls. These data suggest a role for RET haplotypes containing the -5A promoter variant in the etiology of HSCR.
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Affiliation(s)
- Guido Fitze
- Department of Pediatric Surgery, University of Technology Dresden, Germany.
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Görgens H, Schwarz P, Schulze J, Schackert HK. LightCycler assay in the analysis of haplotypes of the type 2 diabetes susceptibility gene CAPN10. Clin Chem 2003; 49:1405-8. [PMID: 12881460 DOI: 10.1373/49.8.1405] [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: 12/23/2022]
Affiliation(s)
- Heike Görgens
- Department of Surgical Research, Universitätsklinikum Carl Gustav Carus-Dresden, University of Technology, Fetscherstrasse 74, D-01307 Dresden, Germany
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Hofmann W, Görgens H, John A, Horn D, Hüttner C, Arnold N, Scherneck S, Schackert HK. Screening for large rearrangements of the BRCA1 gene in German breast or ovarian cancer families using semi-quantitative multiplex PCR method. Hum Mutat 2003; 22:103-4. [PMID: 12815601 DOI: 10.1002/humu.9154] [Citation(s) in RCA: 26] [Impact Index Per Article: 1.2] [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: 11/08/2022]
Abstract
Since the identification of the breast and ovarian cancer susceptibility genes BRCA1 and BRCA2, a large number of different germline mutations in both genes have been found by conventional PCR-based mutation detection methods. Complex germline rearrangements such as those reported in the BRCA1 gene are often not detectable by these standard diagnostic techniques. To detect large deletions or duplications encompassing one or more exons of the BRCA1 gene and in order to estimate the frequency of BRCA1 rearrangements in German breast or ovarian cancer families, a semi-quantitative multiplex PCR method was developed and applied to DNA samples of patients from families negatively tested for disease causing mutations in the BRCA1 and BRCA2 coding regions by direct sequencing. Out of 59 families analysed, one family was found to carry a rearrangement in the BRCA1 gene (duplication of exon 13). The results indicate that the semi-quantitative multiplex PCR method is useful for the detection of large rearrangements in the BRCA1 gene and therefore represents an additional valuable tool for mutation analysis of BRCA1 and BRCA2.
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Affiliation(s)
- Wera Hofmann
- Department of Tumor Genetics, Max Delbrück Center for Molecular Medicine, Berlin, Germany.
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Krüger S, Plaschke J, Jeske B, Görgens H, Pistorius SR, Bier A, Kreuz FR, Theissig F, Aust DE, Saeger HD, Schackert HK. Identification of six novel MSH2 and MLH1 germline mutations in HNPCC. Hum Mutat 2003; 21:445-6. [PMID: 12655562 DOI: 10.1002/humu.9121] [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] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022]
Abstract
Germline mutations in mismatch repair genes are responsible for hereditary nonpolyposis colorectal cancer (HNPCC), the most common hereditary cancer-susceptibility syndrome. We report six novel germline mutations, three in MSH2 and three in MLH1. All but one mutation have been found in families fulfilling the criteria of the Bethesda guidelines; two of them additionally fulfilled the Amsterdam criteria. We identified two nonsense mutations in MSH2 (c.1764T>G [p.Y588X], c.2579C>A [p.S860X]), one duplication of four nucleotides causing premature stop codon (MLH1: c.821_824dupAAGC [p.A275fsX307]), one splice site mutation resulting in skipping of exon 8 from the MLH1 transcript (c.677+3A>G), one duplication of 18 nucleotides leading to duplication of six amino acids in the mismatch-binding domain of MSH2 (c.4_21dup [p.A2_E7dup) and one missense mutation in the PMS2 interaction domain of MLH1 (c.1756G>C [p.A586P]). The three latter mutations were not found in 73, 90 and 94 healthy control individuals, respectively. The corresponding tumors from all patients showed a high level of microsatellite instability (MSI-H). Immunohistochemistry (IH) revealed complete loss of expression of the affected protein in the tumor cells from the patients with the nonsense, splice-site and missense mutation. The tumor from the patient with the c.821_824dupAAGC mutation showed a reduced, rather than lost, expression of the MLH1-protein.
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Affiliation(s)
- Stefan Krüger
- Department of Surgical Research, Universitätsklinikum Carl Gustav Carus, University of Technology, Dresden, Germany.
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Hahn M, Wieland I, Koufaki ON, Görgens H, Sobottka SB, Schackert G, Schackert HK. Genetic alterations of the tumor suppressor gene PTEN/MMAC1 in human brain metastases. Clin Cancer Res 1999; 5:2431-7. [PMID: 10499615] [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: 02/14/2023]
Abstract
The high mutation rate in advanced brain tumors, recent functional studies, and the high frequency of mutations in prostate metastases all strongly suggest that PTEN/MMAC1 alterations are involved in the formation of metastases. We searched for genetic alterations in the PTEN/MMAC1 gene in 56 consecutive brain metastases from various primary tumors by loss of heterozygosity (LOH), direct sequence analysis, and differential PCR analysis. The highest LOH rates were detected in metastases deriving from lung (67%) and breast (64%) cancers. Three (25%) of the eight detected inactivating mutations (one nonsense mutation, one splice-site mutation, one 11-bp deletion, and five homozygous deletions) were found in metastases originating from 12 different lung carcinomas, suggesting that PTEN/MMAC1 alterations may play a role in the progression of this tumor. With the exception of lung carcinomas, our findings indicate that genetic abnormalities of the PTENM/MMAC1 gene are only involved in a relatively small subset of brain metastases. However, the discrepancy between the high overall LOH rate (50%) and the low frequency of PTEN/MMAC1 mutation detection rate (14%) suggests the presence of one or more additional tumor suppressor genes on chromosome 10q.
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Affiliation(s)
- M Hahn
- Department of Surgical Research, Technical University of Dresden, Germany.
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Mares J, Polanská V, Görgens H, Sedlácek Z, Maríková T, Bocek P, Kodet R, Schackert J, Goetz P. Oncogene amplification and expression in pediatric solid tumors. Neoplasma 1998; 45:123-7. [PMID: 9717522] [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: 02/08/2023]
Abstract
Oncogene amplification and expression and their mutual relationship was analyzed in 92 pediatric tumors by Southern and Northern blot hybridization with N-MYC, ERB A, ERB B, N-RAS and Shb probes. Amplification and overexpression was associated with more advanced clinical stages of tumor, especially in neuroblastomas, rhabdomyosarcomas and ganglioneuroblastomas. The most frequent alteration observed was N-MYC amplification together with overexpression. N-RAS amplification was not detected, while the overexpression of this oncogene was found in 3 cases. Neither amplification nor overexpression was revealed in any specimen of hepatoblastoma or hepatocellular carcinoma. We suggest that oncogenes overexpression provides more accurate prognostic information than amplification.
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Affiliation(s)
- J Mares
- Institute of Biology and Medical Genetics, 2nd Medical School, Charles' University, Prague, Czech Republic
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Goessl C, Plaschke J, Pistorius S, Hahn M, Frank S, Hampl M, Görgens H, Koch R, Saeger HD, Schackert HK. An intronic germline transition in the HNPCC gene hMSH2 is associated with sporadic colorectal cancer. Eur J Cancer 1997; 33:1869-74. [PMID: 9470849 DOI: 10.1016/s0959-8049(97)00219-0] [Citation(s) in RCA: 32] [Impact Index Per Article: 1.2] [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: 02/06/2023]
Abstract
The aim of this study was to determine whether an intronic germline substitution in the hereditary non-polyposis colorectal cancer (HNPCC) gene hMSH2 represents a genetic risk factor for sporadic CRC. Possible effects of this substitution were investigated by assessment of microsatellite instability and hMSH2 cDNA sequencing. Constitutional DNA from patients with sporadic CRC and healthy controls from the same region in Germany was analysed for the intronic germline T-->C transition six bases upstream of exon 13 of hMSH2. 29 of 106 patients (27%) were found to harbour the germline T-->C transition as opposed to only 13 of 125 controls (10%; P < 0.001; OR 3.2, CI 1.58-6.63). CRCs from patients with the substitution displayed neither clinical HNPCC-like features nor an increased rate of microsatellite instability. No abnormal cDNA sequence was found at the exon 12-13 border. These data suggest a 3.2-fold increased risk of sporadic CRC for individuals with the intronic hMSH2 transition. However, this substitution might not be pathogenic itself, but may be linked to a locus nearby that is.
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Affiliation(s)
- C Goessl
- Department of Surgery, Technical University of Dresden, Germany
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