Genome wide screening of loss of heterozygosity in human midgut carcinoid tumors with fluorescent technique [Elektronische Ressource] / von Ruth Mari Caroline Löllgen

Löllgen

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Aus der Klinik für Innere Medizin der Medizinischen Fakultät Charité der Humboldt-Universität zu Berlin Dissertation GENOME-WIDE SCREENING OF LOSS OF HETEROZYGOSITY IN HUMAN MIDGUT CARCINOID TUMORS WITH FLUORESCENT TECHNIQUE Zur Erlangung des akademischen Grades Doctor medicinae (Dr. med.) vorgelegt der Medizinischen Fakultät Charité der Humboldt-Universität zu Berlin von Ruth Mari Caroline Löllgen aus Düsseldorf Dekan: Prof. Dr. med. Joachim W. Dudenhausen Gutachter: 1. Prof. Dr. med. Wiedenmann 2. Prof. Dr. med. Zeitz 3. Prof. Dr. med. Arnold Datum der Promotion: 14. Juni 2004 Table of contents Widmung.................................................................................................................................... 5 Vorwort.............. 8 1 Zusammenfassung.................................................................................................. 9 1.1 Hintergrund 9 1.2 Methoden 9 1.3 Ergebnis 9 1.4 Diskussion 9 2 Abstract ................................................................................................................. 10 2.1 Background 10 2.2 Methods 10 2.3 Results 10 2.4 Conclusions 10 3 Introduction .......................................................................................................... 11 3.1 Carcinoid tumors 11 3.1.1 Features regarding the different carcinoid subgroups ........................

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• Gesundheit

Informations

• Publié par: humboldt-universitat_zu_berlin
• Publié le: 01 janvier 2004
• Nombre de lectures: 22
• Langue: Deutsch

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Aus der Klinik für Innere Medizin der Medizinischen Fakultät Charité der Humboldt-Universität zu Berlin

Dissertation

GENOME-WIDE SCREENING OF LOSS OF HETEROZYGOSITY IN HUMAN MIDGUT CARCINOID TUMORS WITH FLUORESCENT TECHNIQUE

Zur Erlangung des akademischen Grades Doctor medicinae (Dr. med.)

vorgelegt der Medizinischen Fakultät Charité der Humboldt-Universität zu Berlin 

von Ruth Mari Caroline Löllgen aus Düsseldorf

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Dekan: Prof. Dr. med. Joachim W. Dudenhausen

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Gutachter: 1. Prof. Dr. med. Wiedenmann

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 2. Prof. Dr. med. Zeitz

 3. Prof. Dr. med. Arnold

Datum der Promotion: 14. Juni 2004  

 Table of contents Widmung.................................................................................................................................... 5  Vorwort ...................................................................................................................................... 8  1  Zusammenfassung.................................................................................................. 9  1.1  Hintergrund 9  1.2  Methoden 9  1.3  Ergebnis 9  1.4  Diskussion 9  2  Abstract ................................................................................................................. 10  2.1  Background 10  2.2  Methods 10  2.3  Results 10  2.4  Conclusions 10  3  Introduction .......................................................................................................... 11  3.1   11Carcinoid tumors  3.1.1  Features regarding the different carcinoid subgroups ....................................... 13  3.1.2  Midgut carcinoids ................................................................................................. 13  3.2  The carcinoid syndrome 15  3.3  Diagnosis 15  3.3.1  Hormones.............................................................................................................. 16  3.3.2  Histopathology ...................................................................................................... 16  3.3.3   16Radiological and radionuclear examinations .....................................................  3.4  Treatment 17  3.4.1  Medical treatment of metastatic carcinoid tumors.............................................. 17  3.4.2  Chemotherapy....................................................................................................... 17  3.4.3  Surgery .................................................................................................................. 18  3.4.4   ............................................................................................ 18Hepatic embolization  3.4.5  adR................................qure fiobl acyenR( noita.....)AF.....18................................  3.4.6  Cryosurgery........................................................................................................... 18  3.4.7  Heart valve surgery............................................................................................... 18  3.5   19Survival and prognosis  3.6  Multiple Endocrine Neoplasia (MEN) 19  3.6.1  Clinical features.................................................................................................... 19  3.7  Endocrine pancreas tumors (EPT) 20  3.7.1  Clinical features.................................................................................................... 20  4   21TUMOR BIOLOGY.............................................................................................. 

4.1   21The cell cycle  4.2   21Cancer genes  4.3  Knudson´s two-hit hypothesis about neoplasia 23  4.4  DNA repair 23  4.5  - Expression of a tumor suppressor geneDefinition of LOH  24  5   24GENETIC FEATURES OF ENDOCRINE TUMORS ......................................  5.1  MEN 24  5.2  EPT 25  5.3   25Midgut Carcinoid Tumors  6  AIMS OF THE INVESTIGATION ..................................................................... 26  7   26PATIENTS AND TUMORS.................................................................................  8  METHODS ........................................................................................................... 27  8.1  The Polymerase Chain Reaction 27  8.2  The restriction to PCR sensitivity: Genotyping errors caused bytaqDNA polymerase 28  8.3   29DNA extraction and PCR amplification  8.4  LOH screening 30  9  RESULTS ............................................................................................................. 34  10  DISCUSSION ....................................................................................................... 36  List of Tables 48  List of Figures 48  Acknowledgements .................................................................................................................. 49  Lebenslauf ............................................................................................................................... 50  Eidestattliche Erklärung ......................................................................................................... 53  

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