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Chao AS, Chao A, Lai CH, Lin CY, Yang LY, Chang SC, Wu RC. Comparison of immediate germline sequencing and multi-step screening for Lynch syndrome detection in high-risk endometrial and colorectal cancer patients. J Gynecol Oncol 2024; 35:e5. [PMID: 37743058 PMCID: PMC10792205 DOI: 10.3802/jgo.2024.35.e5] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/13/2023] [Revised: 07/08/2023] [Accepted: 08/13/2023] [Indexed: 09/26/2023] Open
Abstract
OBJECTIVE Lynch syndrome (LS) is a hereditary cancer predisposition syndrome with a significantly increased risk of colorectal and endometrial cancers. Current standard practice involves universal screening for LS in patients with newly diagnosed colorectal or endometrial cancer using a multi-step screening protocol (MSP). However, MSP may not always accurately identify LS cases. To address this limitation, we compared the diagnostic performance of immediate germline sequencing (IGS) with MSP in a high-risk group. METHODS A total of 31 Taiwanese women with synchronous or metachronous endometrial and colorectal malignancies underwent MSP which included immunohistochemical staining of DNA mismatch repair (MMR) proteins, MLH1 promoter hypermethylation analysis, and germline sequencing to identify pathogenic variants. All patients who were excluded during MSP received germline sequencing for MMR genes to simulate IGS for the detection of LS. RESULTS Our findings indicate that IGS surpassed MSP in terms of diagnostic yield (29.0% vs. 19.4%, respectively) and sensitivity (90% vs. 60%, respectively). Specifically, IGS successfully identified nine LS cases, which is 50% more than the number detected through MSP. Additionally, germline methylation analysis revealed one more LS case with constitutional MLH1 promoter hypermethylation, bringing the total LS cases to ten (32.3%). Intriguingly, we observed no significant differences in clinical characteristics or overall survival between patients with and without LS in our cohort. CONCLUSION Our study suggests that IGS may potentially offer a more effective approach compared to MSP in identifying LS among high-risk patients. This advantage is evident when patients have been pre-selected utilizing specific clinical criteria.
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Affiliation(s)
- An-Shine Chao
- Department of Obstetrics and Gynecology, New Taipei Municipal Tu Cheng Hospital, New Taipei City, Taiwan
- Department of Obstetrics and Gynecology, Linkou Chang Gung Memorial Hospital and Chang Gung University, College of Medicine, Taoyuan, Taiwan
| | - Angel Chao
- Department of Obstetrics and Gynecology, Linkou Chang Gung Memorial Hospital and Chang Gung University, College of Medicine, Taoyuan, Taiwan
- Gynecologic Cancer Research Center, Linkou Chang Gung Memorial Hospital, Taoyuan, Taiwan
| | - Chyong-Huey Lai
- Department of Obstetrics and Gynecology, Linkou Chang Gung Memorial Hospital and Chang Gung University, College of Medicine, Taoyuan, Taiwan
- Gynecologic Cancer Research Center, Linkou Chang Gung Memorial Hospital, Taoyuan, Taiwan
| | - Chiao-Yun Lin
- Department of Obstetrics and Gynecology, Linkou Chang Gung Memorial Hospital and Chang Gung University, College of Medicine, Taoyuan, Taiwan
- Gynecologic Cancer Research Center, Linkou Chang Gung Memorial Hospital, Taoyuan, Taiwan
| | - Lan-Yan Yang
- Biostatistics Unit, Clinical Trial Center, Linkou Chang Gung Memorial Hospital, Taoyuan, Taiwan
| | - Shih-Cheng Chang
- Department of Laboratory Medicine, Chang Gung Memorial Hospital, Taoyuan, Taiwan
| | - Ren-Chin Wu
- Gynecologic Cancer Research Center, Linkou Chang Gung Memorial Hospital, Taoyuan, Taiwan
- Department of Pathology, Chang Gung Memorial Hospital Linkou Medical Center and Chang Gung University College of Medicine, Taoyuan, Taiwan.
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Fatemi N, Tu SJ, Chung CC, Moghadam PK, Mojarad EN, Sadeghi A, Totonchi M, Aghdaei HA, Chang JG. Whole exome sequencing identifies MAP3K1, MSH2, and MLH1 as potential cancer-predisposing genes in familial early-onset colorectal cancer. Kaohsiung J Med Sci 2023; 39:896-903. [PMID: 37314251 DOI: 10.1002/kjm2.12715] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/20/2023] [Revised: 05/01/2023] [Accepted: 05/21/2023] [Indexed: 06/15/2023] Open
Abstract
The incidence of early-onset colorectal cancer (CRC), which affects people under 50, is increasing for unknown reasons. Additionally, no underlying genetic cause is found in 20%-30% of patients suspected of having familial CRC syndrome. Whole exome sequencing (WES) has generated evidence for new genes associated with CRC susceptibility, but many patients remain undiagnosed. This study applied WES in five early-onset CRC patients from three unrelated families to identify novel genetic variants that could be linked to rapid disease development. Furthermore, the candidate variants were validated using Sanger sequencing. Two heterozygote variations, c.1077-2A>G and c.199G>A, were found in the MSH2 and the MLH1 genes, respectively. Sanger sequencing analysis confirmed that these (likely) pathogenic mutations segregated in all the affected families' members. In addition, we identified a rare heterozygote variant (c.175C>T) with suspected pathogenic potential in the MAP3K1 gene; formally the variant is of uncertain significance (VUS). Our findings support the hypothesis that CRC onset may be oligogenic and molecularly heterogeneous. Larger and more robust studies are needed to understand the genetic basis of early-onset CRC development, combined with novel functional analyses and omics approaches.
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Affiliation(s)
- Nayeralsadat Fatemi
- Basic and Molecular Epidemiology of Gastrointestinal Disorders Research Center, Research Institute for Gastroenterology and Liver Diseases, Shahid Beheshti University of Medical Sciences, Tehran, Iran
| | - Siang-Jyun Tu
- Center for Precision Medicine, China Medical University Hospital, Taichung, Taiwan
| | - Chin-Chun Chung
- Center for Precision Medicine, China Medical University Hospital, Taichung, Taiwan
| | - Pardis Ketabi Moghadam
- Gastroenterology and Liver Diseases Research Center, Research Institute for Gastroenterology and Liver Diseases, Shahid Beheshti University of Medical Sciences, Tehran, Iran
| | - Ehsan Nazemalhosseini Mojarad
- Gastroenterology and Liver Diseases Research Center, Research Institute for Gastroenterology and Liver Diseases, Shahid Beheshti University of Medical Sciences, Tehran, Iran
| | - Amir Sadeghi
- Gastroenterology and Liver Diseases Research Center, Research Institute for Gastroenterology and Liver Diseases, Shahid Beheshti University of Medical Sciences, Tehran, Iran
| | - Mehdi Totonchi
- Basic and Molecular Epidemiology of Gastrointestinal Disorders Research Center, Research Institute for Gastroenterology and Liver Diseases, Shahid Beheshti University of Medical Sciences, Tehran, Iran
- Department of Genetics, Reproductive Biomedicine Research Center, Royan Institute for Reproductive Biomedicine, ACECR, Tehran, Iran
| | - Hamid Asadzadeh Aghdaei
- Basic and Molecular Epidemiology of Gastrointestinal Disorders Research Center, Research Institute for Gastroenterology and Liver Diseases, Shahid Beheshti University of Medical Sciences, Tehran, Iran
| | - Jan-Gowth Chang
- Center for Precision Medicine, China Medical University Hospital, Taichung, Taiwan
- Department of Bioinformatics and Medical Engineering, Asia University, Taichung, Taiwan
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Barbirou M, Miller AA, Mezlini A, Bouhaouala-Zahar B, Tonellato PJ. Variant Characterization of a Representative Large Pedigree Suggests "Variant Risk Clusters" Convey Varying Predisposition of Risk to Lynch Syndrome. Cancers (Basel) 2023; 15:4074. [PMID: 37627102 PMCID: PMC10452890 DOI: 10.3390/cancers15164074] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/15/2023] [Revised: 08/09/2023] [Accepted: 08/10/2023] [Indexed: 08/27/2023] Open
Abstract
Recently, worldwide incidences of young adult aggressive colorectal cancer (CRC) have rapidly increased. Of these incidences diagnosed as familial Lynch syndrome (LS) CRC, outcomes are extremely poor. In this study, we seek novel familial germline variants from a large pedigree Tunisian family with 12 LS-affected individuals to identify putative germline variants associated with varying risk of LS. Whole-genome sequencing analysis was performed to identify known and novel germline variants shared between affected and non-affected pedigree members. SNPs, indels, and structural variants (SVs) were computationally identified, and their oncological influence was predicted using the Genetic Association of Complex Diseases and Disorders, OncoKB, and My Cancer Genome databases. Of 94 germline familial variants identified with predicted functional impact, 37 SNPs/indels were detected in 28 genes, 2 of which (MLH1 and PRH1-TAS2R14) have known association with CRC and 4 others (PPP1R13B, LAMA5, FTO, and NLRP14) have known association with non-CRC cancers. In addition, 48 of 57 identified SVs overlap with 43 genes. Three of these genes (RELN, IRS2, and FOXP1) have a known association with non-CRC digestive cancers and one (RRAS2) has a known association with non-CRC cancer. Our study identified 83 novel, predicted functionally impactful germline variants grouped in three "variant risk clusters" shared in three familiarly associated LS groups (high, intermediate and low risk). This variant characterization study demonstrates that large pedigree investigations provide important evidence supporting the hypothesis that different "variant risk clusters" can convey different mechanisms of risk and oncogenesis of LS-CRC even within the same pedigree.
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Affiliation(s)
- Mouadh Barbirou
- Circulating Tumor Cell Core Laboratory, Population Science Division, Medical Oncology Department, Medical College, Sidney Kimmel Cancer Center, Thomas Jefferson University, Philadelphia, PA 19107, USA;
- Center for Biomedical Informatics, Department of Health Management and Informatics, School of Medicine, University of Missouri, Columbia, MI 65211, USA;
- Medical School, University of Tunis El Manar, Tunis 1068, Tunisia;
| | - Amanda A. Miller
- Circulating Tumor Cell Core Laboratory, Population Science Division, Medical Oncology Department, Medical College, Sidney Kimmel Cancer Center, Thomas Jefferson University, Philadelphia, PA 19107, USA;
- Center for Biomedical Informatics, Department of Health Management and Informatics, School of Medicine, University of Missouri, Columbia, MI 65211, USA;
| | - Amel Mezlini
- Medical Oncology Division, Salah Azeiz Oncology Institute, University of Tunis El Manar, Tunis 1068, Tunisia;
| | - Balkiss Bouhaouala-Zahar
- Medical School, University of Tunis El Manar, Tunis 1068, Tunisia;
- Laboratory of Venoms and Therapeutic Biomolecules, LR16IPT08 Institute Pasteur of Tunis, University of Tunis El Manar, Tunis 1068, Tunisia
| | - Peter J. Tonellato
- Center for Biomedical Informatics, Department of Health Management and Informatics, School of Medicine, University of Missouri, Columbia, MI 65211, USA;
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Kumar K, Kumar S, Datta K, Fornace AJ, Suman S. High-LET-Radiation-Induced Persistent DNA Damage Response Signaling and Gastrointestinal Cancer Development. Curr Oncol 2023; 30:5497-5514. [PMID: 37366899 DOI: 10.3390/curroncol30060416] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/03/2023] [Revised: 06/05/2023] [Accepted: 06/06/2023] [Indexed: 06/28/2023] Open
Abstract
Ionizing radiation (IR) dose, dose rate, and linear energy transfer (LET) determine cellular DNA damage quality and quantity. High-LET heavy ions are prevalent in the deep space environment and can deposit a much greater fraction of total energy in a shorter distance within a cell, causing extensive DNA damage relative to the same dose of low-LET photon radiation. Based on the DNA damage tolerance of a cell, cellular responses are initiated for recovery, cell death, senescence, or proliferation, which are determined through a concerted action of signaling networks classified as DNA damage response (DDR) signaling. The IR-induced DDR initiates cell cycle arrest to repair damaged DNA. When DNA damage is beyond the cellular repair capacity, the DDR for cell death is initiated. An alternative DDR-associated anti-proliferative pathway is the onset of cellular senescence with persistent cell cycle arrest, which is primarily a defense mechanism against oncogenesis. Ongoing DNA damage accumulation below the cell death threshold but above the senescence threshold, along with persistent SASP signaling after chronic exposure to space radiation, pose an increased risk of tumorigenesis in the proliferative gastrointestinal (GI) epithelium, where a subset of IR-induced senescent cells can acquire a senescence-associated secretory phenotype (SASP) and potentially drive oncogenic signaling in nearby bystander cells. Moreover, DDR alterations could result in both somatic gene mutations as well as activation of the pro-inflammatory, pro-oncogenic SASP signaling known to accelerate adenoma-to-carcinoma progression during radiation-induced GI cancer development. In this review, we describe the complex interplay between persistent DNA damage, DDR, cellular senescence, and SASP-associated pro-inflammatory oncogenic signaling in the context of GI carcinogenesis.
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Affiliation(s)
- Kamendra Kumar
- Department of Oncology, Lombardi Comprehensive Cancer Center, Georgetown University Medical Center, Washington, DC 20057, USA
| | - Santosh Kumar
- Department of Oncology, Lombardi Comprehensive Cancer Center, Georgetown University Medical Center, Washington, DC 20057, USA
| | - Kamal Datta
- Department of Oncology, Lombardi Comprehensive Cancer Center, Georgetown University Medical Center, Washington, DC 20057, USA
- Department of Biochemistry and Molecular & Cellular Biology and Department of Oncology, Georgetown University Medical Center, Washington, DC 20057, USA
| | - Albert J Fornace
- Department of Oncology, Lombardi Comprehensive Cancer Center, Georgetown University Medical Center, Washington, DC 20057, USA
- Department of Biochemistry and Molecular & Cellular Biology and Department of Oncology, Georgetown University Medical Center, Washington, DC 20057, USA
| | - Shubhankar Suman
- Department of Oncology, Lombardi Comprehensive Cancer Center, Georgetown University Medical Center, Washington, DC 20057, USA
- Department of Biochemistry and Molecular & Cellular Biology and Department of Oncology, Georgetown University Medical Center, Washington, DC 20057, USA
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7
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Cavestro GM, Mannucci A, Balaguer F, Hampel H, Kupfer SS, Repici A, Sartore-Bianchi A, Seppälä TT, Valentini V, Boland CR, Brand RE, Buffart TE, Burke CA, Caccialanza R, Cannizzaro R, Cascinu S, Cercek A, Crosbie EJ, Danese S, Dekker E, Daca-Alvarez M, Deni F, Dominguez-Valentin M, Eng C, Goel A, Guillem JG, Houwen BBSL, Kahi C, Kalady MF, Kastrinos F, Kühn F, Laghi L, Latchford A, Liska D, Lynch P, Malesci A, Mauri G, Meldolesi E, Møller P, Monahan KJ, Möslein G, Murphy CC, Nass K, Ng K, Oliani C, Papaleo E, Patel SG, Puzzono M, Remo A, Ricciardiello L, Ripamonti CI, Siena S, Singh SK, Stadler ZK, Stanich PP, Syngal S, Turi S, Urso ED, Valle L, Vanni VS, Vilar E, Vitellaro M, You YQN, Yurgelun MB, Zuppardo RA, Stoffel EM. Delphi Initiative for Early-Onset Colorectal Cancer (DIRECt) International Management Guidelines. Clin Gastroenterol Hepatol 2023; 21:581-603.e33. [PMID: 36549470 PMCID: PMC11207185 DOI: 10.1016/j.cgh.2022.12.006] [Citation(s) in RCA: 13] [Impact Index Per Article: 13.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/21/2022] [Revised: 12/01/2022] [Accepted: 12/01/2022] [Indexed: 12/24/2022]
Abstract
BACKGROUND & AIMS Patients with early-onset colorectal cancer (eoCRC) are managed according to guidelines that are not age-specific. A multidisciplinary international group (DIRECt), composed of 69 experts, was convened to develop the first evidence-based consensus recommendations for eoCRC. METHODS After reviewing the published literature, a Delphi methodology was used to draft and respond to clinically relevant questions. Each statement underwent 3 rounds of voting and reached a consensus level of agreement of ≥80%. RESULTS The DIRECt group produced 31 statements in 7 areas of interest: diagnosis, risk factors, genetics, pathology-oncology, endoscopy, therapy, and supportive care. There was strong consensus that all individuals younger than 50 should undergo CRC risk stratification and prompt symptom assessment. All newly diagnosed eoCRC patients should receive germline genetic testing, ideally before surgery. On the basis of current evidence, endoscopic, surgical, and oncologic treatment of eoCRC should not differ from later-onset CRC, except for individuals with pathogenic or likely pathogenic germline variants. The evidence on chemotherapy is not sufficient to recommend changes to established therapeutic protocols. Fertility preservation and sexual health are important to address in eoCRC survivors. The DIRECt group highlighted areas with knowledge gaps that should be prioritized in future research efforts, including age at first screening for the general population, use of fecal immunochemical tests, chemotherapy, endoscopic therapy, and post-treatment surveillance for eoCRC patients. CONCLUSIONS The DIRECt group produced the first consensus recommendations on eoCRC. All statements should be considered together with the accompanying comments and literature reviews. We highlighted areas where research should be prioritized. These guidelines represent a useful tool for clinicians caring for patients with eoCRC.
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Affiliation(s)
- Giulia Martina Cavestro
- Gastroenterology and Gastrointestinal Endoscopy Unit, Vita-Salute San Raffaele University, IRCCS San Raffaele Scientific Institute, Milan, Italy.
| | - Alessandro Mannucci
- Gastroenterology and Gastrointestinal Endoscopy Unit, Vita-Salute San Raffaele University, IRCCS San Raffaele Scientific Institute, Milan, Italy
| | - Francesc Balaguer
- Department of Gastroenterology, Hospital Clínic de Barcelona, Institut d'Investigacions Biomèdiques August Pi i Sunyer (IDIBAPS), Barcelona, Spain; Centro de Investigación Biomédica en Red de Enfermedades Hepáticas y Digestivas (CIBERehd), University of Barcelona, Barcelona, Spain
| | - Heather Hampel
- Department of Medical Oncology & Therapeutics Research, City of Hope National Medical Center, Duarte, California
| | - Sonia S Kupfer
- Department of Medicine, Section of Gastroenterology, Hepatology, and Nutrition, University of Chicago Medicine, Chicago, Illinois
| | - Alessandro Repici
- Gastrointestinal Endoscopy Unit, Humanitas University, Humanitas Research Hospital, Rozzano, Italy
| | - Andrea Sartore-Bianchi
- Department of Oncology and Hemato-Oncology, Università degli Studi di Milano, and Department of Hematology Oncology, and Molecular Medicine, Grande Ospedale Metropolitano Niguarda, Milan, Italy
| | - Toni T Seppälä
- Faculty of Medicine and Medical Technology, University of Tampere and TAYS Cancer Centre, Arvo Ylpön katu, Tampere, Finland; Unit of Gastroenterological Surgery, Tampere University Hospital, Elämänaukio, Tampere, Finland; Applied Tumor Genomics Research Program and Department of Surgery, Helsinki University and Helsinki University Hospital, Helsinki, Finland
| | - Vincenzo Valentini
- Department of Radiology, Radiation Oncology and Hematology, Università Cattolica del Sacro Cuore di Roma, Fondazione Policlinico Universitario A. Gemelli - IRCCS, Rome, Italy
| | - Clement Richard Boland
- Department of Medicine, Division of Gastroenterology, University of California San Diego, San Diego, California
| | - Randall E Brand
- Division of Gastroenterology, Hepatology & Nutrition, University of Pittsburgh, Pittsburgh, Pennsylvania
| | - Tineke E Buffart
- Department of Medical Oncology. Amsterdam UMC, Location de Boelelaan, Amsterdam, The Netherlands
| | - Carol A Burke
- Department of Gastroenterology, Hepatology and Nutrition, Cleveland Clinic, Cleveland, Ohio
| | - Riccardo Caccialanza
- Clinical Nutrition and Dietetics Unit, Fondazione IRCCS Policlinico San Matteo, Pavia, Italy
| | - Renato Cannizzaro
- SOC Gastroenterologia Oncologica e Sperimentale Centro di Riferimento Oncologico di Aviano (CRO) IRCCS 33081, Aviano, Italy
| | - Stefano Cascinu
- Oncology Department, Vita-Salute San Raffaele University, IRCCS San Raffaele Scientific Institute, Milan, Italy
| | - Andrea Cercek
- Department of Medicine, Memorial Sloan Kettering Cancer Center, New York, New York
| | - Emma J Crosbie
- Division of Cancer Sciences, Faculty of Biology, Medicine and Health, University of Manchester, St Mary's Hospital, Manchester, United Kingdom; Division of Gynaecology, St Mary's Hospital, Manchester University NHS Foundation Trust, Manchester Academic Health Science Centre, Manchester, United Kingdom
| | - Silvio Danese
- Gastroenterology and Gastrointestinal Endoscopy Unit, Vita-Salute San Raffaele University, IRCCS San Raffaele Scientific Institute, Milan, Italy
| | - Evelien Dekker
- Department of Gastroenterology and Hepatology, Amsterdam University Medical Centers, University of Amsterdam, Amsterdam, the Netherlands
| | - Maria Daca-Alvarez
- Department of Gastroenterology, Hospital Clínic de Barcelona, Institut d'Investigacions Biomèdiques August Pi i Sunyer (IDIBAPS), Barcelona, Spain
| | - Francesco Deni
- Department of Anesthesia and Intensive Care, IRCCS San Raffaele Scientific Institute, Milan, Italy
| | - Mev Dominguez-Valentin
- Department of Tumor Biology, Institute of Cancer Research, The Norwegian Radium Hospital, Oslo, Norway
| | - Cathy Eng
- Department of Medicine, Division of Hematology and Oncology, Vanderbilt-Ingram Cancer Center, Nashville, Tennessee
| | - Ajay Goel
- Department of Molecular Diagnostics & Experimental Therapeutics, Beckman Research Institute of City of Hope Comprehensive Cancer Center, Duarte, California
| | - Josè G Guillem
- Department of Surgery and Lineberger Cancer Center, University of North Carolina at Chapel Hill, Chapel Hill, North Carolina
| | - Britt B S L Houwen
- Department of Gastroenterology and Hepatology, Amsterdam University Medical Centers, University of Amsterdam, Amsterdam, the Netherlands
| | - Charles Kahi
- Department of Medicine, Division of Gastroenterology and Hepatology, Indiana University School of Medicine, Indianapolis, Indiana
| | - Matthew F Kalady
- Department of Surgery, The Ohio State University Wexner Medical Center, Columbus, Ohio
| | - Fay Kastrinos
- Division of Digestive and Liver Diseases, Herbert Irving Comprehensive Cancer Center, Columbia University Irving Medical Center and the Vagelos College of Physicians and Surgeons, New York, New York
| | - Florian Kühn
- Department of General, Visceral and Transplant Surgery, Ludwig-Maximilians-University Munich, Munich, Germany
| | - Luigi Laghi
- Department of Medicine and Surgery, University of Parma, Parma, and Laboratory of Molecular Gastroenterology, IRCCS Humanitas Research Hospital, Rozzano-Milan, Italy
| | - Andrew Latchford
- Lynch Syndrome Clinic, Centre for Familial Intestinal Cancer, St Mark's Hospital, London North West University Healthcare NHS Trust, Harrow, United Kingdom
| | - David Liska
- Department of Colorectal Surgery and Edward J. DeBartolo Jr Family Center for Young-Onset Colorectal Cancer, Digestive Disease and Surgery Institute, Cleveland Clinic, Cleveland, Ohio
| | - Patrick Lynch
- Department of Gastroenterology, M. D. Anderson Cancer Center, Houston, Texas
| | - Alberto Malesci
- Gastroenterology and Gastrointestinal Endoscopy Unit, Vita-Salute San Raffaele University, IRCCS San Raffaele Scientific Institute, Milan, Italy
| | - Gianluca Mauri
- Department of Oncology and Hemato-Oncology, Università degli Studi di Milano, and Department of Hematology Oncology, and Molecular Medicine, Grande Ospedale Metropolitano Niguarda, Milan, Italy; IFOM ETS - The AIRC Institute of Molecular Oncology, Milan, Italy
| | - Elisa Meldolesi
- Department of Radiology, Radiation Oncology and Hematology, Università Cattolica del Sacro Cuore di Roma, Fondazione Policlinico Universitario A. Gemelli - IRCCS, Rome, Italy
| | - Pål Møller
- Department of Tumor Biology, Institute of Cancer Research, The Norwegian Radium Hospital, Oslo, Norway
| | - Kevin J Monahan
- Lynch Syndrome Clinic, Centre for Familial Intestinal Cancer, St Mark's Hospital, London North West University Healthcare NHS Trust, Harrow, United Kingdom; Faculty of Medicine, Department of Surgery & Cancer, Imperial College, London, United Kingdom
| | - Gabriela Möslein
- Surgical Center for Hereditary Tumors, Ev. BETHESDA Khs. Duisburg, Academic Hospital University of Düsseldorf, Düsseldorf, Germany
| | - Caitlin C Murphy
- School of Public Health, University of Texas Health Science Center at Houston, Houston, Texas
| | - Karlijn Nass
- Department of Gastroenterology and Hepatology, Amsterdam University Medical Centers, University of Amsterdam, Amsterdam, the Netherlands
| | - Kimmie Ng
- Young-Onset Colorectal Cancer Center, Dana-Farber Cancer Institute, Harvard Medical School, Boston, Massachusetts
| | - Cristina Oliani
- Medical Oncology, AULSS 5 Polesana, Santa Maria Della Misericordia Hospital, Rovigo, Italy
| | - Enrico Papaleo
- Centro Scienze della Natalità, Department of Obstetrics and Gynecology, IRCCS San Raffaele Scientific Institute, Milano, Italy
| | - Swati G Patel
- University of Colorado Anschutz Medical Center and Rocky Mountain Regional Veterans Affairs Medical Center, Aurora, Colorado
| | - Marta Puzzono
- Gastroenterology and Gastrointestinal Endoscopy Unit, Vita-Salute San Raffaele University, IRCCS San Raffaele Scientific Institute, Milan, Italy
| | - Andrea Remo
- Pathology Unit, Mater Salutis Hospital, ULSS9, Legnago, Verona, Italy
| | - Luigi Ricciardiello
- Department of Medical and Surgical Sciences, Universita degli Studi di Bologna, Bologna, Italy
| | - Carla Ida Ripamonti
- Department of Onco-Haematology, Fondazione IRCCS, Istituto Nazionale dei Tumori, Milan, Italy
| | - Salvatore Siena
- Department of Oncology and Hemato-Oncology, Università degli Studi di Milano, and Department of Hematology Oncology, and Molecular Medicine, Grande Ospedale Metropolitano Niguarda, Milan, Italy
| | - Satish K Singh
- Department of Medicine, Section of Gastroenterology, VA Boston Healthcare System and Boston University, Boston, Massachusetts
| | - Zsofia K Stadler
- Department of Medicine, Memorial Sloan Kettering Cancer Center, New York, New York
| | - Peter P Stanich
- Division of Gastroenterology, Hepatology and Nutrition, Department of Internal Medicine, The Ohio State University Wexner Medical Center, Columbus, Ohio
| | - Sapna Syngal
- Brigham and Women's Hospital, Harvard Medical School, Dana Farber Cancer Institute, Boston, Massachusetts
| | - Stefano Turi
- Department of Anesthesia and Intensive Care, IRCCS San Raffaele Scientific Institute, Milan, Italy
| | - Emanuele Damiano Urso
- Chirurgia Generale 3, Department of Surgical, Oncological and Gastroenterological Sciences (DiSCOG), University Hospital of Padova, Padova, Italy
| | - Laura Valle
- Hereditary Cancer Program, Catalan Institute of Oncology, Oncobell Program, Bellvitge Biomedical Research Center (IDIBELL), Hospitalet de Llobregat, Barcelona, Spain; Centro de Investigación Biomédica en Red en Cáncer (CIBERONC), Madrid, Spain
| | - Valeria Stella Vanni
- Centro Scienze della Natalità, Department of Obstetrics and Gynecology, IRCCS San Raffaele Scientific Institute, Milano, Italy
| | - Eduardo Vilar
- Department of Clinical Cancer Prevention, The University of Texas MD Anderson Cancer Center, Houston, Texas
| | - Marco Vitellaro
- Unit of Hereditary Digestive Tract Tumours, Department of Surgery, Fondazione IRCCS Istituto Nazionale dei Tumori, Milan, Italy
| | - Yi-Qian Nancy You
- Department of Colon & Rectal Surgery, Division of Surgery, The University of Texas MD Anderson Cancer Center, Houston, Texas
| | - Matthew B Yurgelun
- Brigham and Women's Hospital, Harvard Medical School, Dana Farber Cancer Institute, Boston, Massachusetts
| | - Raffaella Alessia Zuppardo
- Gastroenterology and Gastrointestinal Endoscopy Unit, Vita-Salute San Raffaele University, IRCCS San Raffaele Scientific Institute, Milan, Italy
| | - Elena M Stoffel
- Division of Gastroenterology and Hepatology, Department of Internal Medicine and Rogel Cancer Center, University of Michigan Medical School, Ann Arbor, Michigan
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