1
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Wang H, Yu C, Ding H, Zhang L, Chen X, He L. Computed Tomography-Based Radiomics Signature for Predicting Segmental Chromosomal Aberrations at 1p36 and 11q23 in Pediatric Neuroblastoma. J Comput Assist Tomogr 2024; 48:472-479. [PMID: 38013242 DOI: 10.1097/rct.0000000000001564] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2023]
Abstract
OBJECTIVE This study aimed to develop and assess the precision of a radiomics signature based on computed tomography imaging for predicting segmental chromosomal aberrations (SCAs) status at 1p36 and 11q23 in neuroblastoma. METHODS Eighty-seven pediatric patients diagnosed with neuroblastoma and with confirmed genetic testing for SCAs status at 1p36 and 11q23 were enrolled and randomly stratified into a training set and a test set. Radiomics features were extracted from 3-phase computed tomography images and analyzed using various statistical methods. An optimal set of radiomics features was selected using a least absolute shrinkage and selection operator regression model to calculate the radiomics score for each patient. The radiomics signature was validated using receiver operating characteristic curves to obtain the area under the curve and 95% confidence interval (CI). RESULTS Eight radiomics features were carefully selected and used to compute the radiomics score, which demonstrated a statistically significant distinction between the SCAs and non-SCAs groups in both sets. The radiomics signature achieved an area under the curve of 0.869 (95% CI, 0.788-0.943) and 0.883 (95% CI, 0.753-0.978) in the training and test sets, respectively. The accuracy of the radiomics signature was 0.817 and 0.778 in the training and test sets, respectively. The Hosmer-Lemeshow test confirmed that the radiomics signature was well calibrated. CONCLUSIONS Computed tomography-based radiomics signature has the potential to predict SCAs at 1p36 and 11q23 in neuroblastoma.
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Affiliation(s)
- Haoru Wang
- From the Department of Radiology, Children's Hospital of Chongqing Medical University, National Clinical Research Center for Child Health and Disorders, Ministry of Education Key Laboratory of Child Development and Disorders, Chongqing Key Laboratory of Pediatrics, Chongqing, China
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2
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Magnier O, Chabre O, Schiff I, Sartelet H, Combaret V, Roux J, Sturm N, Berthozat C, Pavillet J, Plantaz D. Management of a Composite Pheochromocytoma (Pheochromocytoma/Neuroblastoma) in Adult Patient Recurring After Several Years: A Complex Case Report. J Adolesc Young Adult Oncol 2023; 12:604-610. [PMID: 36169643 DOI: 10.1089/jayao.2022.0059] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
Abstract
Pheochromocytoma/neuroblastoma composite tumors are rare entities for which little is known. We report an atypical case of a 39-year-old man with secondary bone locations of a composite tumor, 7 years after resection of adrenal neuroblastoma, with constitutional alteration of SWI/SNF-related, matrix-associated, actin-dependent regulator of chromatin, subfamily A, member 4 whose role is unknown. The diagnosis of a peripheral neuroblastic tumor in adulthood is difficult and even more so when it is a composite tumor. In the absence of a standard of care, management is varied and discussions about treatment modalities for these patients are complex.
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Affiliation(s)
- Orlane Magnier
- Department of Medical Oncology, Cancer and Blood Diseases, Grenoble Alpes University Hospital, Grenoble, France
| | - Olivier Chabre
- Department of Endocrinology, Grenoble Alpes University Hospital, Grenoble, France
| | - Isabelle Schiff
- Department of Pediatric Onco-Immuno-Hematology, Grenoble Alpes University Hospital, Grenoble, France
| | - Hervé Sartelet
- Department of Pathology, Grenoble Alpes University Hospital, Grenoble, France
- Department of Biopathology, Nancy University Hospital, University of Lorraine, Nancy, France
| | - Valérie Combaret
- Translational Research Laboratory, Léon Bérard Centre, Lyon, France
| | - Julie Roux
- Department of Nuclear Medicine, Grenoble Alpes University Hospital, Grenoble, France
| | - Nathalie Sturm
- Department of Biopathology, Grenoble Alpes University Hospital, Grenoble, France
| | - Claudine Berthozat
- Department of Medical Oncology, Cancer and Blood Diseases, Grenoble Alpes University Hospital, Grenoble, France
| | - Julien Pavillet
- Department of Medical Oncology, Cancer and Blood Diseases, Grenoble Alpes University Hospital, Grenoble, France
| | - Dominique Plantaz
- Department of Pediatric Onco-Immuno-Hematology, Grenoble Alpes University Hospital, Grenoble, France
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3
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Paolini L, Hussain S, Galardy PJ. Chromosome instability in neuroblastoma: A pathway to aggressive disease. Front Oncol 2022; 12:988972. [PMID: 36338721 PMCID: PMC9633097 DOI: 10.3389/fonc.2022.988972] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/07/2022] [Accepted: 10/03/2022] [Indexed: 11/15/2023] Open
Abstract
For over 100-years, genomic instability has been investigated as a central player in the pathogenesis of human cancer. Conceptually, genomic instability includes an array of alterations from small deletions/insertions to whole chromosome alterations, referred to as chromosome instability. Chromosome instability has a paradoxical impact in cancer. In most instances, the introduction of chromosome instability has a negative impact on cellular fitness whereas in cancer it is usually associated with a worse prognosis. One exception is the case of neuroblastoma, the most common solid tumor outside of the brain in children. Neuroblastoma tumors have two distinct patterns of genome instability: whole-chromosome aneuploidy, which is associated with a better prognosis, or segmental chromosomal alterations, which is a potent negative prognostic factor. Through a computational screen, we found that low levels of the de- ubiquitinating enzyme USP24 have a highly significant negative impact on survival in neuroblastoma. At the molecular level, USP24 loss leads to destabilization of the microtubule assembly factor CRMP2 - producing mitotic errors and leading to chromosome missegregation and whole-chromosome aneuploidy. This apparent paradox may be reconciled through a model in which whole chromosome aneuploidy leads to the subsequent development of segmental chromosome alterations. Here we review the mechanisms behind chromosome instability and the evidence for the progressive development of segmental alterations from existing numerical aneuploidy in support of a multi-step model of neuroblastoma progression.
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Affiliation(s)
- Lucia Paolini
- Department of Pediatrics, University of Milano-Bicocca, San Gerardo Hospital, Monza, MI, Italy
- Department of Pediatric and Adolescent Medicine, Mayo Clinic, Rochester, MN, United States
| | - Sajjad Hussain
- Department of Pediatric and Adolescent Medicine, Mayo Clinic, Rochester, MN, United States
| | - Paul J. Galardy
- Department of Pediatric and Adolescent Medicine, Mayo Clinic, Rochester, MN, United States
- Division of Pediatric Hematology-Oncology, Mayo Clinic, Rochester, MN, United States
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4
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Keller KM, Eleveld TF, Schild L, van den Handel K, van den Boogaard M, Amo-Addae V, Eising S, Ober K, Koopmans B, Looijenga L, Tytgat GA, Ylstra B, Molenaar JJ, Dolman MEM, van Hooff SR. Chromosome 11q loss and MYCN amplification demonstrate synthetic lethality with checkpoint kinase 1 inhibition in neuroblastoma. Front Oncol 2022; 12:929123. [PMID: 36237330 PMCID: PMC9552537 DOI: 10.3389/fonc.2022.929123] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/26/2022] [Accepted: 08/26/2022] [Indexed: 11/13/2022] Open
Abstract
Neuroblastoma is the most common extracranial solid tumor found in children and despite intense multi-modal therapeutic approaches, low overall survival rates of high-risk patients persist. Tumors with heterozygous loss of chromosome 11q and MYCN amplification are two genetically distinct subsets of neuroblastoma that are associated with poor patient outcome. Using an isogenic 11q deleted model system and high-throughput drug screening, we identify checkpoint kinase 1 (CHK1) as a potential therapeutic target for 11q deleted neuroblastoma. Further investigation reveals MYCN amplification as a possible additional biomarker for CHK1 inhibition, independent of 11q loss. Overall, our study highlights the potential power of studying chromosomal aberrations to guide preclinical development of novel drug targets and combinations. Additionally, our study builds on the growing evidence that DNA damage repair and replication stress response pathways offer therapeutic vulnerabilities for the treatment of neuroblastoma.
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Affiliation(s)
- Kaylee M. Keller
- Department of Research, Princess Máxima Center for Pediatric Oncology, Utrecht, Netherlands
| | - Thomas F. Eleveld
- Department of Research, Princess Máxima Center for Pediatric Oncology, Utrecht, Netherlands
| | - Linda Schild
- Department of Research, Princess Máxima Center for Pediatric Oncology, Utrecht, Netherlands
| | - Kim van den Handel
- Department of Research, Princess Máxima Center for Pediatric Oncology, Utrecht, Netherlands
| | | | - Vicky Amo-Addae
- Department of Research, Princess Máxima Center for Pediatric Oncology, Utrecht, Netherlands
| | - Selma Eising
- Department of Research, Princess Máxima Center for Pediatric Oncology, Utrecht, Netherlands
| | - Kimberley Ober
- Department of Research, Princess Máxima Center for Pediatric Oncology, Utrecht, Netherlands
| | - Bianca Koopmans
- Department of Research, Princess Máxima Center for Pediatric Oncology, Utrecht, Netherlands
| | - Leendert Looijenga
- Department of Research, Princess Máxima Center for Pediatric Oncology, Utrecht, Netherlands
| | - Godelieve A.M. Tytgat
- Department of Research, Princess Máxima Center for Pediatric Oncology, Utrecht, Netherlands
| | - Bauke Ylstra
- Department of Pathology, Cancer Center Amsterdam, Amsterdam UMC, Vrije Universiteit, Amsterdam, Netherlands
| | - Jan J. Molenaar
- Department of Research, Princess Máxima Center for Pediatric Oncology, Utrecht, Netherlands
- Department of Pharmaceutical Sciences, University Utrecht, Utrecht, Netherlands
- *Correspondence: Jan J. Molenaar,
| | - M. Emmy M. Dolman
- Department of Research, Princess Máxima Center for Pediatric Oncology, Utrecht, Netherlands
- Children’s Cancer Institute, Lowy Cancer Centre, UNSW Sydney, Kensington, NSW, Australia
- School of Women’s and Children’s Health, Faculty of Medicine, UNSW Sydney, Kensington, NSW, Australia
| | - Sander R. van Hooff
- Department of Research, Princess Máxima Center for Pediatric Oncology, Utrecht, Netherlands
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5
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Decaesteker B, Durinck K, Van Roy N, De Wilde B, Van Neste C, Van Haver S, Roberts S, De Preter K, Vermeirssen V, Speleman F. From DNA Copy Number Gains and Tumor Dependencies to Novel Therapeutic Targets for High-Risk Neuroblastoma. J Pers Med 2021; 11:1286. [PMID: 34945759 PMCID: PMC8707517 DOI: 10.3390/jpm11121286] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/11/2021] [Revised: 11/19/2021] [Accepted: 11/20/2021] [Indexed: 12/15/2022] Open
Abstract
Neuroblastoma is a pediatric tumor arising from the sympatho-adrenal lineage and a worldwide leading cause of childhood cancer-related deaths. About half of high-risk patients die from the disease while survivors suffer from multiple therapy-related side-effects. While neuroblastomas present with a low mutational burden, focal and large segmental DNA copy number aberrations are highly recurrent and associated with poor survival. It can be assumed that the affected chromosomal regions contain critical genes implicated in neuroblastoma biology and behavior. More specifically, evidence has emerged that several of these genes are implicated in tumor dependencies thus potentially providing novel therapeutic entry points. In this review, we briefly review the current status of recurrent DNA copy number aberrations in neuroblastoma and provide an overview of the genes affected by these genomic variants for which a direct role in neuroblastoma has been established. Several of these genes are implicated in networks that positively regulate MYCN expression or stability as well as cell cycle control and apoptosis. Finally, we summarize alternative approaches to identify and prioritize candidate copy-number driven dependency genes for neuroblastoma offering novel therapeutic opportunities.
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Grants
- P30 CA008748 NCI NIH HHS
- G087221N, G.0507.12, G049720N,12U4718N, 11C3921N, 11J8313N, 12B5313N, 1514215N, 1197617N,1238420N, 12Q8322N, 3F018519, 12N6917N Fund for Scientific Research Flanders
- 2018-087, 2018-125, 2020-112 Belgian Foundation against Cancer
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Affiliation(s)
- Bieke Decaesteker
- Department for Biomolecular Medicine, Ghent University, Medical Research Building (MRB1), Corneel Heymanslaan 10, B-9000 Ghent, Belgium; (B.D.); (K.D.); (N.V.R.); (B.D.W.); (C.V.N.); (S.V.H.); (K.D.P.); (V.V.)
| | - Kaat Durinck
- Department for Biomolecular Medicine, Ghent University, Medical Research Building (MRB1), Corneel Heymanslaan 10, B-9000 Ghent, Belgium; (B.D.); (K.D.); (N.V.R.); (B.D.W.); (C.V.N.); (S.V.H.); (K.D.P.); (V.V.)
| | - Nadine Van Roy
- Department for Biomolecular Medicine, Ghent University, Medical Research Building (MRB1), Corneel Heymanslaan 10, B-9000 Ghent, Belgium; (B.D.); (K.D.); (N.V.R.); (B.D.W.); (C.V.N.); (S.V.H.); (K.D.P.); (V.V.)
| | - Bram De Wilde
- Department for Biomolecular Medicine, Ghent University, Medical Research Building (MRB1), Corneel Heymanslaan 10, B-9000 Ghent, Belgium; (B.D.); (K.D.); (N.V.R.); (B.D.W.); (C.V.N.); (S.V.H.); (K.D.P.); (V.V.)
- Department of Internal Medicine and Pediatrics, Ghent University Hospital, Corneel Heymanslaan 10, B-9000 Ghent, Belgium
| | - Christophe Van Neste
- Department for Biomolecular Medicine, Ghent University, Medical Research Building (MRB1), Corneel Heymanslaan 10, B-9000 Ghent, Belgium; (B.D.); (K.D.); (N.V.R.); (B.D.W.); (C.V.N.); (S.V.H.); (K.D.P.); (V.V.)
| | - Stéphane Van Haver
- Department for Biomolecular Medicine, Ghent University, Medical Research Building (MRB1), Corneel Heymanslaan 10, B-9000 Ghent, Belgium; (B.D.); (K.D.); (N.V.R.); (B.D.W.); (C.V.N.); (S.V.H.); (K.D.P.); (V.V.)
| | - Stephen Roberts
- Department of Pediatrics, Memorial Sloan Kettering Cancer Center, New York, NY 10065, USA;
| | - Katleen De Preter
- Department for Biomolecular Medicine, Ghent University, Medical Research Building (MRB1), Corneel Heymanslaan 10, B-9000 Ghent, Belgium; (B.D.); (K.D.); (N.V.R.); (B.D.W.); (C.V.N.); (S.V.H.); (K.D.P.); (V.V.)
| | - Vanessa Vermeirssen
- Department for Biomolecular Medicine, Ghent University, Medical Research Building (MRB1), Corneel Heymanslaan 10, B-9000 Ghent, Belgium; (B.D.); (K.D.); (N.V.R.); (B.D.W.); (C.V.N.); (S.V.H.); (K.D.P.); (V.V.)
- Department of Biomedical Molecular Biology, Ghent University, Technologiepark 71, B-9052 Zwijnaarde, Belgium
| | - Frank Speleman
- Department for Biomolecular Medicine, Ghent University, Medical Research Building (MRB1), Corneel Heymanslaan 10, B-9000 Ghent, Belgium; (B.D.); (K.D.); (N.V.R.); (B.D.W.); (C.V.N.); (S.V.H.); (K.D.P.); (V.V.)
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6
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Chromosome Imbalances in Neuroblastoma-Recent Molecular Insight into Chromosome 1p-deletion, 2p-gain, and 11q-deletion Identifies New Friends and Foes for the Future. Cancers (Basel) 2021; 13:cancers13235897. [PMID: 34885007 PMCID: PMC8657310 DOI: 10.3390/cancers13235897] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/01/2021] [Revised: 11/19/2021] [Accepted: 11/22/2021] [Indexed: 12/13/2022] Open
Abstract
Simple Summary Neuroblastoma is a pediatric cancer that arises in the sympathetic nervous system. High-risk neuroblastoma is clinically challenging and identification of novel therapies, particularly those that offer a reduction in morbidity for these patients, is a high priority. Combining genetic analyses with investigation of molecular mechanisms, while considering recent advances in our understanding of key developmental events, provides avenues for future treatment. Here we review and highlight several recently published articles that address novel molecular mechanisms arising from chromosome 1p, 2p, and 11q aberrations, which likely contribute to high-risk neuroblastoma, and discusses their potential impact on treatment options. Abstract Neuroblastoma is the most common extracranial solid pediatric tumor, with around 15% childhood cancer-related mortality. High-risk neuroblastomas exhibit a range of genetic, morphological, and clinical heterogeneities, which add complexity to diagnosis and treatment with existing modalities. Identification of novel therapies is a high priority in high-risk neuroblastoma, and the combination of genetic analysis with increased mechanistic understanding—including identification of key signaling and developmental events—provides optimism for the future. This focused review highlights several recent findings concerning chromosomes 1p, 2p, and 11q, which link genetic aberrations with aberrant molecular signaling output. These novel molecular insights contribute important knowledge towards more effective treatment strategies for neuroblastoma.
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7
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Rezaei O, Honarmand Tamizkar K, Hajiesmaeili M, Taheri M, Ghafouri-Fard S. Non-Coding RNAs Participate in the Pathogenesis of Neuroblastoma. Front Oncol 2021; 11:617362. [PMID: 33718173 PMCID: PMC7945591 DOI: 10.3389/fonc.2021.617362] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/26/2020] [Accepted: 01/11/2021] [Indexed: 12/11/2022] Open
Abstract
Neuroblastoma is one of the utmost frequent neoplasms during the first year of life. This pediatric cancer is believed to be originated during the embryonic life from the neural crest cells. Previous studies have detected several types of chromosomal aberrations in this tumor. More recent studies have emphasized on expression profiling of neuroblastoma samples to identify the dysregulated genes in this type of cancer. Non-coding RNAs are among the mostly dysregulated genes in this type of cancer. Such dysregulation has been associated with a number of chromosomal aberrations that are frequently detected in neuroblastoma. In this study, we explain the role of non-coding transcripts in the malignant transformation in neuroblastoma and their role as biomarkers for this pediatric cancer.
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Affiliation(s)
- Omidvar Rezaei
- Skull Base Research Center, Loghman Hakim Hospital, Shahid Beheshti University of Medical Sciences, Tehran, Iran
| | | | - Mohammadreza Hajiesmaeili
- Skull Base Research Center, Loghman Hakim Hospital, Shahid Beheshti University of Medical Sciences, Tehran, Iran
| | - Mohammad Taheri
- Urogenital Stem Cell Research Center, Shahid Beheshti University of Medical Sciences, Tehran, Iran
| | - Soudeh Ghafouri-Fard
- Department of Medical Genetics, Shahid Beheshti University of Medical Sciences, Tehran, Iran
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8
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Ambros IM, Tonini GP, Pötschger U, Gross N, Mosseri V, Beiske K, Berbegall AP, Bénard J, Bown N, Caron H, Combaret V, Couturier J, Defferrari R, Delattre O, Jeison M, Kogner P, Lunec J, Marques B, Martinsson T, Mazzocco K, Noguera R, Schleiermacher G, Valent A, Van Roy N, Villamon E, Janousek D, Pribill I, Glogova E, Attiyeh EF, Hogarty MD, Monclair TF, Holmes K, Valteau-Couanet D, Castel V, Tweddle DA, Park JR, Cohn S, Ladenstein R, Beck-Popovic M, De Bernardi B, Michon J, Pearson ADJ, Ambros PF. Age Dependency of the Prognostic Impact of Tumor Genomics in Localized Resectable MYCN-Nonamplified Neuroblastomas. Report From the SIOPEN Biology Group on the LNESG Trials and a COG Validation Group. J Clin Oncol 2020; 38:3685-3697. [PMID: 32903140 PMCID: PMC7605396 DOI: 10.1200/jco.18.02132] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022] Open
Abstract
For localized, resectable neuroblastoma without MYCN amplification, surgery only is recommended even if incomplete. However, it is not known whether the genomic background of these tumors may influence outcome.
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Affiliation(s)
- Inge M Ambros
- Children's Cancer Research Institute, St Anna Kinderkrebsforschung, Vienna, Austria
| | - Gian-Paolo Tonini
- Paediatric Research Institute, Fondazione Città della Speranza, Neuroblastoma Laboratory, Padua, Italy
| | - Ulrike Pötschger
- Children's Cancer Research Institute, St Anna Kinderkrebsforschung, Vienna, Austria
| | - Nicole Gross
- Pediatric Oncology Research, Department of Pediatrics, University Hospital, Lausanne, Switzerland
| | | | - Klaus Beiske
- Department of Pathology, Oslo University Hospital Rikshospitalet, Oslo, Norway
| | - Ana P Berbegall
- Department of Pathology, Medical School, University of Valencia-Fundación de Investigación del Hospital Clínico Universitario de Valencia, Valencia, Spain.,Centro de Investigación Biomédica en Red de Cáncer, Madrid, Spain
| | - Jean Bénard
- Département de Biologie et de Pathologie Médicales, Service de Pathologie Moléculaire, Institut Gustave Roussy, Villejuif, France
| | - Nick Bown
- Northern Genetics Service, Newcastle upon Tyne, United Kingdom
| | - Huib Caron
- Department of Pediatric Oncology, Emma Children's Hospital, Academic Medical Center, Amsterdam, the Netherlands
| | - Valérie Combaret
- Centre Léon Bérard, Laboratoire de Recherche Translationnelle, Lyon, France
| | - Jerome Couturier
- Unité de Génétique Somatique et Cytogénétique, Institut Curie, Paris, France
| | | | - Olivier Delattre
- INSERM U830, Laboratoire de Génétique et Biologie des Cancers, Paris, France
| | - Marta Jeison
- Ca-Cytogenetic Laboratory, Pediatric Hematology Oncology Department, Schneider Children's Medical Center of Israel, Petah Tikvah, Israel
| | - Per Kogner
- Childhood Cancer Research Unit, Karolinska Institutet, Astrid Lindgren Children's Hospital, Stockholm, Sweden
| | - John Lunec
- Biosciences Institute, Newcastle University, Newcastle upon Tyne, United Kingdom
| | - Barbara Marques
- Centro de Genética Humana, Instituto Nacional de Saude doutor Ricardo Jorge, Lisbon, Portugal
| | - Tommy Martinsson
- Department of Clinical Genetics, Institute of Biomedicine, University of Gothenburg, Sahlgrenska University Hospital, Göteborg, Sweden
| | - Katia Mazzocco
- Department of Pathology, Istituto G. Gaslini, Genoa, Italy
| | - Rosa Noguera
- Department of Pathology, Medical School, University of Valencia-Fundación de Investigación del Hospital Clínico Universitario de Valencia, Valencia, Spain.,Centro de Investigación Biomédica en Red de Cáncer, Madrid, Spain
| | - Gudrun Schleiermacher
- INSERM U830, Laboratoire de Génétique et Biologie des Cancers, Paris, France.,Département de Pédiatrie, Institut Curie, Paris, France
| | - Alexander Valent
- Département de Biologie et de Pathologie Médicales, Service de Pathologie Moléculaire, Institut Gustave Roussy, Villejuif, France
| | - Nadine Van Roy
- Center for Medical Genetics, Ghent University Hospital, Ghent, Belgium
| | - Eva Villamon
- Department of Pathology, Medical School, University of Valencia-Fundación de Investigación del Hospital Clínico Universitario de Valencia, Valencia, Spain.,Centro de Investigación Biomédica en Red de Cáncer, Madrid, Spain
| | - Dasa Janousek
- Children's Cancer Research Institute, St Anna Kinderkrebsforschung, Vienna, Austria
| | - Ingrid Pribill
- Children's Cancer Research Institute, St Anna Kinderkrebsforschung, Vienna, Austria
| | - Evgenia Glogova
- Children's Cancer Research Institute, St Anna Kinderkrebsforschung, Vienna, Austria
| | - Edward F Attiyeh
- Division of Oncology, The Children's Hospital of Philadelphia, Philadelphia, PA
| | - Michael D Hogarty
- Division of Oncology, The Children's Hospital of Philadelphia, Philadelphia, PA
| | - Tom F Monclair
- Section for Paediatric Surgery, Division of Surgery, Rikshospitalet University Hospital, Oslo, Norway
| | - Keith Holmes
- Department of Paediatric Surgery, St George's Hospital, London, UK
| | | | - Victoria Castel
- Unidad de Oncologia Pediatrica Hospital Universitario La Fe, Valencia, Spain
| | - Deborah A Tweddle
- Wolfson Childhood Cancer Research Centre, Translational and Clinical Research Institute, Newcastle University, Newcastle upon Tyne, United Kingdom
| | - Julie R Park
- Seattle Children's Hospital and University of Washington School of Medicine, Seattle, WA
| | - Sue Cohn
- Department of Pediatrics, The University of Chicago, Chicago, IL
| | - Ruth Ladenstein
- Children's Cancer Research Institute, St Anna Kinderkrebsforschung, Vienna, Austria.,Department of Pediatrics, Medical University of Vienna, Vienna, Austria
| | - Maja Beck-Popovic
- Pediatric Hematology Oncology Unit, University Hospital of Lausanne, Lausanne, Switzerland
| | - Bruno De Bernardi
- Department of Paediatric Haematology and Oncology, Giannina Gaslini Children's Hospital, Genova, Italy
| | - Jean Michon
- Département de Pédiatrie, Institut Curie, Paris, France
| | - Andrew D J Pearson
- Institute of Cancer Research, Royal Marsden Hospital, Sutton, Surrey, United Kingdom
| | - Peter F Ambros
- Children's Cancer Research Institute, St Anna Kinderkrebsforschung, Vienna, Austria.,Department of Pediatrics, Medical University of Vienna, Vienna, Austria
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9
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Ornell KJ, Coburn JM. Developing preclinical models of neuroblastoma: driving therapeutic testing. BMC Biomed Eng 2019; 1:33. [PMID: 32903387 PMCID: PMC7422585 DOI: 10.1186/s42490-019-0034-8] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/09/2019] [Accepted: 11/19/2019] [Indexed: 12/14/2022] Open
Abstract
Despite advances in cancer therapeutics, particularly in the area of immuno-oncology, successful treatment of neuroblastoma (NB) remains a challenge. NB is the most common cancer in infants under 1 year of age, and accounts for approximately 10% of all pediatric cancers. Currently, children with high-risk NB exhibit a survival rate of 40–50%. The heterogeneous nature of NB makes development of effective therapeutic strategies challenging. Many preclinical models attempt to mimic the tumor phenotype and tumor microenvironment. In vivo mouse models, in the form of genetic, syngeneic, and xenograft mice, are advantageous as they replicated the complex tumor-stroma interactions and represent the gold standard for preclinical therapeutic testing. Traditional in vitro models, while high throughput, exhibit many limitations. The emergence of new tissue engineered models has the potential to bridge the gap between in vitro and in vivo models for therapeutic testing. Therapeutics continue to evolve from traditional cytotoxic chemotherapies to biologically targeted therapies. These therapeutics act on both the tumor cells and other cells within the tumor microenvironment, making development of preclinical models that accurately reflect tumor heterogeneity more important than ever. In this review, we will discuss current in vitro and in vivo preclinical testing models, and their potential applications to therapeutic development.
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Affiliation(s)
- Kimberly J Ornell
- Department of Biomedical Engineering, Worcester Polytechnic Institute, 100 Institute Road, Worcester, MA 01605 USA
| | - Jeannine M Coburn
- Department of Biomedical Engineering, Worcester Polytechnic Institute, 100 Institute Road, Worcester, MA 01605 USA
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10
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Zammit V, Baron B, Ayers D. MiRNA Influences in Neuroblast Modulation: An Introspective Analysis. Genes (Basel) 2018; 9:genes9010026. [PMID: 29315268 PMCID: PMC5793179 DOI: 10.3390/genes9010026] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/02/2017] [Revised: 12/22/2017] [Accepted: 12/29/2017] [Indexed: 02/07/2023] Open
Abstract
Neuroblastoma (NB) is the most common occurring solid paediatric cancer in children under the age of five years. Whether of familial or sporadic origin, chromosome abnormalities contribute to the development of NB and cause dysregulation of microRNAs (miRNAs). MiRNAs are small non-coding, single stranded RNAs that target messenger RNAs at the post-transcriptional levels by repressing translation within all facets of human physiology. Such gene 'silencing' activities by miRNAs allows the development of regulatory feedback loops affecting multiple functions within the cell, including the possible differentiation of neural stem cell (NSC) lineage selection. Neurogenesis includes stages of self-renewal and fate specification of NSCs, migration and maturation of young neurones, and functional integration of new neurones into the neural circuitry, all of which are regulated by miRNAs. The role of miRNAs and their interaction in cellular processes are recognised aspects of cancer genetics, and miRNAs are currently employed as biomarkers for prognosis and tumour characterisation in multiple cancer models. Consequently, thorough understanding of the mechanisms of how these miRNAs interplay at the transcriptomic level will definitely lead to the development of novel, bespoke and efficient therapeutic measures, with this review focusing on the influences of miRNAs on neuroblast modulations leading to neuroblastoma.
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Affiliation(s)
- Vanessa Zammit
- National Blood Transfusion Service, St. Luke's Hospital, PTA1010 G'Mangia, Malta.
- School of Biomedical Science and Physiology, University of Wolverhampton, Wolverhampton WV1 1LY, UK.
| | - Byron Baron
- Centre for Molecular Medicine and Biobanking, Faculty of Medicine and Surgery, University of Malta, MSD2080 Msida, Malta.
| | - Duncan Ayers
- Centre for Molecular Medicine and Biobanking, Faculty of Medicine and Surgery, University of Malta, MSD2080 Msida, Malta.
- School of Health Sciences, Faculty of Biology, Medicine and Health, The University of Manchester, Manchester M13 9PL, UK.
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11
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Campbell K, Gastier-Foster JM, Mann M, Naranjo AH, Van Ryn C, Bagatell R, Matthay KK, London WB, Irwin MS, Shimada H, Granger MM, Hogarty MD, Park JR, DuBois SG. Association of MYCN copy number with clinical features, tumor biology, and outcomes in neuroblastoma: A report from the Children's Oncology Group. Cancer 2017; 123:4224-4235. [PMID: 28696504 DOI: 10.1002/cncr.30873] [Citation(s) in RCA: 77] [Impact Index Per Article: 11.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/22/2017] [Revised: 05/11/2017] [Accepted: 06/12/2017] [Indexed: 12/23/2022]
Abstract
BACKGROUND High-level MYCN amplification (MNA) is associated with poor outcome and unfavorable clinical and biological features in patients with neuroblastoma. To the authors' knowledge, less is known regarding these associations in patients with low-level MYCN copy number increases. METHODS In this retrospective study, the authors classified patients has having tumors with MYCN wild-type tumors, MYCN gain (2-4-fold increase in MYCN signal compared with the reference probe), or MNA (>4-fold increase). Tests of trend were used to investigate ordered associations between MYCN copy number category and features of interest. Log-rank tests and Cox models compared event-free survival and overall survival by subgroup. RESULTS Among 4672 patients, 3694 (79.1%) had MYCN wild-type tumors, 133 (2.8%) had MYCN gain, and 845 (18.1%) had MNA. For each clinical/biological feature, the percentage of patients with an unfavorable feature was lowest in the MYCN wild-type category, intermediate in the MYCN gain category, and highest in the MNA category (P<.0001), except for 11q aberration, for which the highest rates were in the MYCN gain category. Patients with MYCN gain had inferior event-free survival and overall survival compared with those with MYCN wild-type. Among patients with high-risk disease, MYCN gain was associated with the lowest response rate after chemotherapy. Patients with non-stage 4 disease (according to the International Neuroblastoma Staging System) and patients with non-high-risk disease with MYCN gain had a significantly increased risk for death, a finding confirmed on multivariable testing. CONCLUSIONS Increasing MYCN copy number is associated with an increasingly higher rate of unfavorable clinical/biological features, with 11q aberration being an exception. Patients with MYCN gain appear to have inferior outcomes, especially in otherwise more favorable groups. Cancer 2017;123:4224-4235. © 2017 American Cancer Society.
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Affiliation(s)
- Kevin Campbell
- Dana-Farber/Boston Children's Cancer and Blood Disorders Center, Harvard Medical School, Boston, Massachusetts
| | - Julie M Gastier-Foster
- Institute for Genomic Medicine, Nationwide Children's Hospital, Columbus, Ohio.,Department of Pathology, The Ohio State University College of Medicine, Columbus, Ohio.,Department of Pediatrics, The Ohio State University College of Medicine, Columbus, Ohio
| | - Meegan Mann
- Institute for Genomic Medicine, Nationwide Children's Hospital, Columbus, Ohio
| | - Arlene H Naranjo
- Children's Oncology Group Statistics and Data Center, University of Florida, Gainesville, Florida
| | - Collin Van Ryn
- Children's Oncology Group Statistics and Data Center, University of Florida, Gainesville, Florida
| | - Rochelle Bagatell
- Department of Pediatrics, Children's Hospital of Philadelphia, Perelman School of Medicine at the University of Pennsylvania, Philadelphia, Pennsylvania
| | - Katherine K Matthay
- Department of Pediatrics, University of California at San Francisco Benioff Children's Hospital, University of California at San Francisco School of Medicine, San Francisco, California
| | - Wendy B London
- Dana-Farber/Boston Children's Cancer and Blood Disorders Center, Harvard Medical School, Boston, Massachusetts
| | - Meredith S Irwin
- Department of Pediatrics, The Hospital for Sick Children, Toronto, Ontario, Canada
| | - Hiroyuki Shimada
- Department of Pathology, Children's Hospital of Los Angeles, Los Angeles, California
| | - M Meaghan Granger
- Department of Hematology/Oncology, Cook Children's Hospital, Fort Worth, Texas
| | - Michael D Hogarty
- Department of Pediatrics, Children's Hospital of Philadelphia, Perelman School of Medicine at the University of Pennsylvania, Philadelphia, Pennsylvania
| | - Julie R Park
- Department of Pediatrics, Seattle Children's Hospital, University of Washington, Seattle, Washington
| | - Steven G DuBois
- Dana-Farber/Boston Children's Cancer and Blood Disorders Center, Harvard Medical School, Boston, Massachusetts
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12
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Mlakar V, Jurkovic Mlakar S, Lopez G, Maris JM, Ansari M, Gumy-Pause F. 11q deletion in neuroblastoma: a review of biological and clinical implications. Mol Cancer 2017; 16:114. [PMID: 28662712 PMCID: PMC5492892 DOI: 10.1186/s12943-017-0686-8] [Citation(s) in RCA: 87] [Impact Index Per Article: 12.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/15/2017] [Accepted: 06/25/2017] [Indexed: 12/12/2022] Open
Abstract
Deletion of the long arm of chromosome 11 (11q deletion) is one of the most frequent events that occur during the development of aggressive neuroblastoma. Clinically, 11q deletion is associated with higher disease stage and decreased survival probability. During the last 25 years, extensive efforts have been invested to identify the precise frequency of 11q aberrations in neuroblastoma, the recurrently involved genes, and to understand the molecular mechanisms of 11q deletion, but definitive answers are still unclear. In this review, it is our intent to compile and review the evidence acquired to date on 11q deletion in neuroblastoma.
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Affiliation(s)
- Vid Mlakar
- CANSEARCH Research Laboratory, Geneva University Medical School, Avenue de la Roseraie 64, 1205, Geneva, Switzerland
| | - Simona Jurkovic Mlakar
- CANSEARCH Research Laboratory, Geneva University Medical School, Avenue de la Roseraie 64, 1205, Geneva, Switzerland
| | - Gonzalo Lopez
- Division of Oncology and Center for Childhood Cancer Research, Children's Hospital of Philadelphia, Philadelphia, PA, USA
| | - John M Maris
- Division of Oncology and Center for Childhood Cancer Research, Children's Hospital of Philadelphia, Philadelphia, PA, USA.,Department of Pediatrics, Perelman School of Medicine at the University of Pennsylvania, Philadelphia, PA, USA
| | - Marc Ansari
- CANSEARCH Research Laboratory, Geneva University Medical School, Avenue de la Roseraie 64, 1205, Geneva, Switzerland.,Department of Pediatrics, Onco-Hematology Unit, Geneva University Hospitals, Rue Willy-Donzé 6, 1205, Geneva, Switzerland
| | - Fabienne Gumy-Pause
- CANSEARCH Research Laboratory, Geneva University Medical School, Avenue de la Roseraie 64, 1205, Geneva, Switzerland. .,Department of Pediatrics, Onco-Hematology Unit, Geneva University Hospitals, Rue Willy-Donzé 6, 1205, Geneva, Switzerland.
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13
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Thompson D, Vo KT, London WB, Fischer M, Ambros PF, Nakagawara A, Brodeur GM, Matthay KK, DuBois SG. Identification of patient subgroups with markedly disparate rates of MYCN amplification in neuroblastoma: A report from the International Neuroblastoma Risk Group project. Cancer 2015; 122:935-45. [PMID: 26709890 DOI: 10.1002/cncr.29848] [Citation(s) in RCA: 51] [Impact Index Per Article: 5.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/20/2015] [Revised: 10/17/2015] [Accepted: 11/17/2015] [Indexed: 11/07/2022]
Abstract
BACKGROUND MYCN gene amplification (MNA) is a hallmark of aggressive neuroblastoma. This study was performed to determine univariate and multivariate predictors of tumor MNA. METHODS Data from the International Neuroblastoma Risk Group were analyzed for a subset of 7102 patients with known MYCN status. Chi-square testing and logistic regression were used to identify univariate and multivariate predictors of MYCN status. Recursive partitioning was used to identify groups of patients with maximal differences in rates of MNA. RESULTS All clinical features (age ≥ 18 months, high ferritin levels, high lactate dehydrogenase [LDH] levels, International Neuroblastoma Staging System stage 4, and adrenal sites) and pathological/biological features (DNA index ≤ 1, high mitosis-karyorrhexis index [MKI], undifferentiated/poorly differentiated grade, unfavorable histology according to the International Neuroblastoma Pathology Classification, and segmental chromosomal aberrations [SCAs]) were significantly associated with MNA. LDH (odds ratio [OR], 8.4; P < .001) and chromosomal 1p loss of heterozygosity (OR, 19.8; P < .001) were the clinical and biological variables, respectively, most strongly associated with MNA. In logistic regression, all variables except chromosome 17q aberration and pooled SCAs were independently predictive of MNA. Recursive partitioning identified subgroups with disparate rates of MNA, including subgroups with 85.7% MNA (patients with high LDH levels who had poorly differentiated adrenal tumors with chromosome 1p deletion) and 0.6% MNA (localized tumors having hyperdiploidy and low MKIs and lacking chromosome 1p aberrations). CONCLUSIONS MNA is strongly associated with other clinical and biological variables in neuroblastoma. Recursive partitioning has identified subgroups of neuroblastoma patients with highly disparate rates of MNA. These findings can be used to inform investigations of molecular mechanisms of MNA.
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Affiliation(s)
- Daria Thompson
- Department of Pediatrics, Benioff Children's Hospital, University of California San Francisco School of Medicine, San Francisco, California
| | - Kieuhoa T Vo
- Department of Pediatrics, Benioff Children's Hospital, University of California San Francisco School of Medicine, San Francisco, California
| | - Wendy B London
- Dana-Farber Children's Hospital Cancer and Blood Disorders Center, Harvard Medical School, Boston, Massachusetts
| | - Matthias Fischer
- Department of Pediatric Oncology, Children's Hospital and Center for Molecular Medicine Cologne, University of Cologne, Cologne, Germany
| | - Peter F Ambros
- Children's Cancer Research Institute, St. Anne Kinderkrebsforschung, Vienna, Austria
| | - Akira Nakagawara
- Department of Biochemistry, Chiba Cancer Center Research Institute and Chiba University, Chiba, Japan
| | - Garrett M Brodeur
- Department of Pediatrics, Children's Hospital of Philadelphia and Perelman School of Medicine, University of Pennsylvania, Philadelphia, Pennsylvania
| | - Katherine K Matthay
- Department of Pediatrics, Benioff Children's Hospital, University of California San Francisco School of Medicine, San Francisco, California
| | - Steven G DuBois
- Department of Pediatrics, Benioff Children's Hospital, University of California San Francisco School of Medicine, San Francisco, California
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14
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[Childhood cancer: progress but prognosis still very unequal. Example of Retinoblastoma and high-risk Neuroblastoma]. Bull Cancer 2014; 101:250-7. [PMID: 24691189 DOI: 10.1684/bdc.2014.1904] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022]
Abstract
Children suffering with cancer have a higher probability of cure than adult. Since the 1950's, high cure rates have been achieved following remarkable progress in the overall care of these children. Not only children are more often "cured" than during the past century but they are probably "better cured" with the hope of experiencing less late effects. Nevertheless, there are still large disparities related to tumor diagnosis and regional area on the globe. If retinoblastoma is now cured in about 100% of the cases in industrialized countries, a different figure is seen unfortunately in economically disadvantaged countries. Not only is access to primary care lower, but also ophthalmologic techniques and available cancer treatments are less effective. Nowadays, such high cure rates observed for children with retinoblastoma are not the rule for all children with cancer. For example, despite considerable progress with new innovative treatments, the cure rate of children with metastatic neuroblastoma does not exceed 40%.
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15
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Molecular oncology of neuroblastoma. Mol Oncol 2013. [DOI: 10.1017/cbo9781139046947.060] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022] Open
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16
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Bate-Eya LT, Ebus ME, Koster J, den Hartog IJM, Zwijnenburg DA, Schild L, van der Ploeg I, Dolman MEM, Caron HN, Versteeg R, Molenaar JJ. Newly-derived neuroblastoma cell lines propagated in serum-free media recapitulate the genotype and phenotype of primary neuroblastoma tumours. Eur J Cancer 2013; 50:628-37. [PMID: 24321263 DOI: 10.1016/j.ejca.2013.11.015] [Citation(s) in RCA: 51] [Impact Index Per Article: 4.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/22/2013] [Revised: 10/10/2013] [Accepted: 11/13/2013] [Indexed: 10/25/2022]
Abstract
Recently protocols have been devised for the culturing of cell lines from fresh tumours under serum-free conditions in defined neural stem cell medium. These cells, frequently called tumour initiating cells (TICs) closely retained characteristics of the tumours of origin. We report the isolation of eight newly-derived neuroblastoma TICs from six primary neuroblastoma tumours and two bone marrow metastases. The primary tumours from which these TICs were generated have previously been fully typed by whole genome sequencing (WGS). Array comparative genomic hybridisation (aCGH) analysis showed that TIC lines retained essential characteristics of the primary tumours and exhibited typical neuroblastoma chromosomal aberrations such as MYCN amplification, gain of chromosome 17q and deletion of 1p36. Protein analysis showed expression for neuroblastoma markers MYCN, NCAM, CHGA, DBH and TH while haematopoietic markers CD19 and CD11b were absent. We analysed the growth characteristics and confirmed tumour-forming potential using sphere-forming assays, subcutaneous and orthotopic injection of these cells into immune-compromised mice. Affymetrix mRNA expression profiling of TIC line xenografts showed an expression pattern more closely mimicking primary tumours compared to xenografts from classical cell lines. This establishes that these neuroblastoma TICs cultured under serum-free conditions are relevant and useful neuroblastoma tumour models.
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Affiliation(s)
- Laurel T Bate-Eya
- Department of Oncogenomics, Academic Medical Center, University of Amsterdam, Meibergdreef 15, PO Box 22700, 1105 AZ Amsterdam, The Netherlands
| | - Marli E Ebus
- Department of Oncogenomics, Academic Medical Center, University of Amsterdam, Meibergdreef 15, PO Box 22700, 1105 AZ Amsterdam, The Netherlands
| | - Jan Koster
- Department of Oncogenomics, Academic Medical Center, University of Amsterdam, Meibergdreef 15, PO Box 22700, 1105 AZ Amsterdam, The Netherlands
| | - Ilona J M den Hartog
- Department of Oncogenomics, Academic Medical Center, University of Amsterdam, Meibergdreef 15, PO Box 22700, 1105 AZ Amsterdam, The Netherlands
| | - Danny A Zwijnenburg
- Department of Oncogenomics, Academic Medical Center, University of Amsterdam, Meibergdreef 15, PO Box 22700, 1105 AZ Amsterdam, The Netherlands
| | - Linda Schild
- Department of Oncogenomics, Academic Medical Center, University of Amsterdam, Meibergdreef 15, PO Box 22700, 1105 AZ Amsterdam, The Netherlands
| | - Ida van der Ploeg
- Department of Oncogenomics, Academic Medical Center, University of Amsterdam, Meibergdreef 15, PO Box 22700, 1105 AZ Amsterdam, The Netherlands
| | - M Emmy M Dolman
- Department of Oncogenomics, Academic Medical Center, University of Amsterdam, Meibergdreef 15, PO Box 22700, 1105 AZ Amsterdam, The Netherlands
| | - Huib N Caron
- Department of Paediatric Oncology, Academic Medical Center, University of Amsterdam, Meibergdreef 15, PO Box 22700, 1105 AZ Amsterdam, The Netherlands
| | - Rogier Versteeg
- Department of Oncogenomics, Academic Medical Center, University of Amsterdam, Meibergdreef 15, PO Box 22700, 1105 AZ Amsterdam, The Netherlands
| | - Jan J Molenaar
- Department of Oncogenomics, Academic Medical Center, University of Amsterdam, Meibergdreef 15, PO Box 22700, 1105 AZ Amsterdam, The Netherlands.
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17
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Duijkers FAM, Meijerink JPP, Pieters R, van Noesel MM. Downregulation of Axl in non-MYCN amplified neuroblastoma cell lines reduces migration. Gene 2013; 521:62-8. [PMID: 23523856 DOI: 10.1016/j.gene.2013.03.029] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/01/2013] [Accepted: 03/07/2013] [Indexed: 12/14/2022]
Abstract
Neuroblastomas (NBL) are common pediatric solid tumors with a variable clinical course. At diagnosis half of all neuroblastoma patients presents with metastatic disease. The mechanisms of metastasis are largely unknown. Gene expression profiles (HU133plus2.0 arrays, Affymetrix) of 17 NBL and 5 peripheral neuro-ectodermal cell lines were used to identify a subgroup of non-MYCN amplified (non-NMA) NBL cell lines with a distinct gene expression profile and characterized by high expression of AXL. Axl is a tyrosine kinase receptor which plays a role in the metastatic process of several types of cancer. We hypothesized that Axl contributes to the metastasizing potential of non-NMA NBL and tested if AXL silencing diminishes malignant properties of high Axl expressing cell lines. AXL was silenced in two non-NMA NBL cell lines by using a lentiviral shRNA construct that was able to transduce these cell lines with more than 90% infection efficiency. Axl mRNA and protein level were efficiently knocked-down resulting in a decrease of migration of Axl positive cell lines GI-M-EN and SH-EP-2, and decreased invasion of GI-M-EN. Morphologically, Axl knockdown induced more rounded cells with a loss of contact. Intracellularly, we observed induction of stress fibers (immunofluorescence F-actin). These changes in cytoskeleton were associated with decreased migration, but were not accompanied by changes in genes involved in epithelial to mesenchymal transition such as CDH2, VIM or MMP9. No effects were observed for cell proliferation, apoptosis or downstream pathways. In conclusion, AXL is identified as a possible mediator of NBL metastasis.
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Affiliation(s)
- Floor A M Duijkers
- Department of Pediatric Oncology-Hematology, Erasmus MC-Sophia Children's Hospital, Dr. Molewaterplein 60, 3015 GJ Rotterdam, The Netherlands
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18
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Domingo-Fernandez R, Watters K, Piskareva O, Stallings RL, Bray I. The role of genetic and epigenetic alterations in neuroblastoma disease pathogenesis. Pediatr Surg Int 2013; 29:101-19. [PMID: 23274701 PMCID: PMC3557462 DOI: 10.1007/s00383-012-3239-7] [Citation(s) in RCA: 43] [Impact Index Per Article: 3.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Accepted: 12/12/2012] [Indexed: 12/11/2022]
Abstract
Neuroblastoma is a highly heterogeneous tumor accounting for 15 % of all pediatric cancer deaths. Clinical behavior ranges from the spontaneous regression of localized, asymptomatic tumors, as well as metastasized tumors in infants, to rapid progression and resistance to therapy. Genomic amplification of the MYCN oncogene has been used to predict outcome in neuroblastoma for over 30 years, however, recent methodological advances including miRNA and mRNA profiling, comparative genomic hybridization (array-CGH), and whole-genome sequencing have enabled the detailed analysis of the neuroblastoma genome, leading to the identification of new prognostic markers and better patient stratification. In this review, we will describe the main genetic factors responsible for these diverse clinical phenotypes in neuroblastoma, the chronology of their discovery, and the impact on patient prognosis.
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Affiliation(s)
- Raquel Domingo-Fernandez
- Department of Cancer Genetics, Royal College of Surgeons in Ireland, Dublin, Ireland,Children’s Research Centre, Our Lady’s Children’s Hospital, Crumlin, Dublin, Ireland
| | - Karen Watters
- Department of Cancer Genetics, Royal College of Surgeons in Ireland, Dublin, Ireland,Children’s Research Centre, Our Lady’s Children’s Hospital, Crumlin, Dublin, Ireland
| | - Olga Piskareva
- Department of Cancer Genetics, Royal College of Surgeons in Ireland, Dublin, Ireland,Children’s Research Centre, Our Lady’s Children’s Hospital, Crumlin, Dublin, Ireland
| | - Raymond L. Stallings
- Department of Cancer Genetics, Royal College of Surgeons in Ireland, Dublin, Ireland,Children’s Research Centre, Our Lady’s Children’s Hospital, Crumlin, Dublin, Ireland
| | - Isabella Bray
- Department of Cancer Genetics, Royal College of Surgeons in Ireland, Dublin, Ireland,Children’s Research Centre, Our Lady’s Children’s Hospital, Crumlin, Dublin, Ireland
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19
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Wojtalla A, Salm F, Christiansen DG, Cremona T, Cwiek P, Shalaby T, Gross N, Grotzer MA, Arcaro A. Novel agents targeting the IGF-1R/PI3K pathway impair cell proliferation and survival in subsets of medulloblastoma and neuroblastoma. PLoS One 2012; 7:e47109. [PMID: 23056595 PMCID: PMC3466180 DOI: 10.1371/journal.pone.0047109] [Citation(s) in RCA: 20] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/10/2012] [Accepted: 09/10/2012] [Indexed: 12/31/2022] Open
Abstract
The receptor tyrosine kinase (RTK)/phosphoinositide 3-kinase (PI3K) pathway is fundamental for cancer cell proliferation and is known to be frequently altered and activated in neoplasia, including embryonal tumors. Based on the high frequency of alterations, targeting components of the PI3K signaling pathway is considered to be a promising therapeutic approach for cancer treatment. Here, we have investigated the potential of targeting the axis of the insulin-like growth factor-1 receptor (IGF-1R) and PI3K signaling in two common cancers of childhood: neuroblastoma, the most common extracranial tumor in children and medulloblastoma, the most frequent malignant childhood brain tumor. By treating neuroblastoma and medulloblastoma cells with R1507, a specific humanized monoclonal antibody against the IGF-1R, we could observe cell line-specific responses and in some cases a strong decrease in cell proliferation. In contrast, targeting the PI3K p110α with the specific inhibitor PIK75 resulted in broad anti-proliferative effects in a panel of neuro- and medulloblastoma cell lines. Additionally, sensitization to commonly used chemotherapeutic agents occurred in neuroblastoma cells upon treatment with R1507 or PIK75. Furthermore, by studying the expression and phosphorylation state of IGF-1R/PI3K downstream signaling targets we found down-regulated signaling pathway activation. In addition, apoptosis occurred in embryonal tumor cells after treatment with PIK75 or R1507. Together, our studies demonstrate the potential of targeting the IGF-1R/PI3K signaling axis in embryonal tumors. Hopefully, this knowledge will contribute to the development of urgently required new targeted therapies for embryonal tumors.
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Affiliation(s)
- Anna Wojtalla
- Division of Pediatric Hematology/Oncology, Department of Clinical Research, University of Bern, Bern, Switzerland
| | - Fabiana Salm
- Division of Pediatric Hematology/Oncology, Department of Clinical Research, University of Bern, Bern, Switzerland
| | - Ditte G. Christiansen
- Division of Pediatric Hematology/Oncology, Department of Clinical Research, University of Bern, Bern, Switzerland
| | - Tiziana Cremona
- Department of Oncology, University Children's Hospital Zurich, Zurich, Switzerland
| | - Paulina Cwiek
- Division of Pediatric Hematology/Oncology, Department of Clinical Research, University of Bern, Bern, Switzerland
| | - Tarek Shalaby
- Department of Oncology, University Children's Hospital Zurich, Zurich, Switzerland
| | - Nicole Gross
- Department of Pediatrics, Pediatric Oncology Research, University Hospital CHUV, Lausanne, Switzerland
| | - Michael A. Grotzer
- Department of Oncology, University Children's Hospital Zurich, Zurich, Switzerland
| | - Alexandre Arcaro
- Division of Pediatric Hematology/Oncology, Department of Clinical Research, University of Bern, Bern, Switzerland
- * E-mail:
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20
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Asgharzadeh S, Salo JA, Ji L, Oberthuer A, Fischer M, Berthold F, Hadjidaniel M, Liu CWY, Metelitsa LS, Pique-Regi R, Wakamatsu P, Villablanca JG, Kreissman SG, Matthay KK, Shimada H, London WB, Sposto R, Seeger RC. Clinical significance of tumor-associated inflammatory cells in metastatic neuroblastoma. J Clin Oncol 2012; 30:3525-32. [PMID: 22927533 DOI: 10.1200/jco.2011.40.9169] [Citation(s) in RCA: 207] [Impact Index Per Article: 17.3] [Reference Citation Analysis] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022] Open
Abstract
PURPOSE Children diagnosed at age ≥ 18 months with metastatic MYCN-nonamplified neuroblastoma (NBL-NA) are at high risk for disease relapse, whereas those diagnosed at age < 18 months are nearly always cured. In this study, we investigated the hypothesis that expression of genes related to tumor-associated inflammatory cells correlates with the observed differences in survival by age at diagnosis and contributes to a prognostic signature. METHODS Tumor-associated macrophages (TAMs) in localized and metastatic neuroblastomas (n = 71) were assessed by immunohistochemistry. Expression of 44 genes representing tumor and inflammatory cells was quantified in 133 metastatic NBL-NAs to assess age-dependent expression and to develop a logistic regression model to provide low- and high-risk scores for predicting progression-free survival (PFS). Tumors from high-risk patients enrolled onto two additional studies (n = 91) served as independent validation cohorts. RESULTS Metastatic neuroblastomas had higher infiltration of TAMs than locoregional tumors, and metastatic tumors diagnosed in patients at age ≥ 18 months had higher expression of inflammation-related genes than those in patients diagnosed at age < 18 months. Expression of genes representing TAMs (CD33/CD16/IL6R/IL10/FCGR3) contributed to 25% of the accuracy of a novel 14-gene tumor classification score. PFS at 5 years for children diagnosed at age ≥ 18 months with NBL-NA with a low- versus high-risk score was 47% versus 12%, 57% versus 8%, and 50% versus 20% in three independent clinical trials, respectively. CONCLUSION These data suggest that interactions between tumor and inflammatory cells may contribute to the clinical metastatic neuroblastoma phenotype, improve prognostication, and reveal novel therapeutic targets.
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21
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Jeison M, Yaniv I, Ash S. Genetic stratification of neuroblastoma for treatment tailoring. Future Oncol 2012; 7:1087-99. [PMID: 21919696 DOI: 10.2217/fon.11.87] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022] Open
Abstract
Neuroblastoma is the most common extracranial tumor of childhood. The clinical behavior is variable, ranging from spontaneous regression to fatal progression despite aggressive therapy. The most highly statistically significant and clinically relevant factors that are currently used for classification include stage, age, histopathologic category, MYCN oncogene status, chromosome 11q status and DNA ploidy. These genetic markers were analyzed separately by classical methods until recently: mainly fluorescence in situ hybridization or loss of heterozygosity. The development of genome-wide techniques such as comparative genomic hybridization, array comparative genomic hybridization and single nucleotide polymorphism allows the analysis of copy number variations through the whole genome in one step. This enabled the investigators to refine different genetic subtypes for the better comprehension of neuroblastoma tumor behavior and reach the conclusion that these data together with a genomic profile based on gene expression should be included in future treatment stratification.
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Affiliation(s)
- Marta Jeison
- Department of Pediatric Hematology-Oncology, Schneider Children's Medical Center of Israel, Petach Tikva, Israel
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22
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Neuroblastoma genetics and phenotype: a tale of heterogeneity. Semin Cancer Biol 2011; 21:238-44. [PMID: 21839839 DOI: 10.1016/j.semcancer.2011.07.003] [Citation(s) in RCA: 21] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/18/2011] [Accepted: 07/13/2011] [Indexed: 12/31/2022]
Abstract
Cancer is a complex disease driven by multiple genetic and epigenetic alterations. Understanding the (epi-)genetic changes and consequent deregulation of regulatory networks controlling the various normal critical cellular phenotypes that are perturbed in cancer cells can provide clues to new therapeutic opportunities. Moreover, such insights into the molecular pathology of a given cancer type can offer clinical relevant genetic markers or molecular signatures for assessment of prognosis and response to therapy, and prediction of risk for relapse. Therefore, as for many other tumour entities, neuroblastoma (NB) has been the subject of intensive ongoing genomic research. Here we will summarize the current state-of-the-art of these studies with focus on genome wide DNA copy number and gene expression analyses in relation to the relevance for present and future clinical management of NB patients.
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Øra I, Eggert A. Progress in treatment and risk stratification of neuroblastoma: impact on future clinical and basic research. Semin Cancer Biol 2011; 21:217-28. [PMID: 21798350 DOI: 10.1016/j.semcancer.2011.07.002] [Citation(s) in RCA: 58] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/19/2011] [Accepted: 07/11/2011] [Indexed: 01/10/2023]
Abstract
Close international collaboration between pediatric oncologists has led to marked improvements in the cure of patients, seen as a long-term overall survival rate of about 80%. Despite this progress, neuroblastoma remains a challenging disease for both clinicians and researchers. Major clinical problems include lack of acceptable cure rates in high-risk neuroblastoma and potential overtreatment of subsets of patients at low and intermediate risk of the disease. Many years of intensive international cooperation have recently led to a promising joint effort to further improve risk classification for treatment stratification, the new International Neuroblastoma Risk Group Classification System. This approach will facilitate comparison of the results of clinical trials performed by different international collaborative groups. This, in turn, should accelerate refinement of risk stratification and thereby aid selection of appropriate therapies for individual patients. To be able to identify new therapeutic modalities, it will be necessary to elucidate the pathogenesis of the different subtypes of neuroblastoma. Basic and translational research have provided new tools for molecular characterization of blood and tumor samples including high-throughput technologies for analysis of DNA, mRNAs, microRNAs and other non-coding RNAs, as well as proteins and epigenetic markers. Most of these studies are array-based in design. In neuroblastoma research they aim to refine risk group stratification through incorporation of molecular tumor fingerprints and also to enable personalized treatment modalities by describing the underlying pathogenesis and aberrant signaling pathways in individual tumors. To make optimal use of these new technologies for the benefit of the patient, it is crucial to have a systematic and detailed documentation of both clinical and molecular data from diagnosis through treatment to follow-up. Close collaboration between clinicians and basic scientists will provide access to combined clinical and molecular data sets and will create more efficient steps in response to the remaining treatment challenges. This review describes the current efforts and trends in neuroblastoma research from a clinical perspective in order to highlight the urgent clinical problems we must address together with basic researchers.
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Affiliation(s)
- Ingrid Øra
- Department of Pediatric Oncology and Hematology, Skåne University Hospital, Lund University, Lund, Sweden.
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Deyell RJ, Attiyeh EF. Advances in the understanding of constitutional and somatic genomic alterations in neuroblastoma. Cancer Genet 2011; 204:113-21. [PMID: 21504710 DOI: 10.1016/j.cancergen.2011.03.001] [Citation(s) in RCA: 41] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/28/2011] [Revised: 03/01/2011] [Accepted: 03/03/2011] [Indexed: 01/30/2023]
Abstract
Advances in the field of genomics have led to multiple recent discoveries in the understanding of genetic predisposition and molecular pathogenesis of the childhood cancer neuroblastoma. Neuroblastoma is the most common extracranial solid tumor of childhood and is responsible for 10% of childhood cancer related mortality. The genetic etiology of rare families with hereditary neuroblastoma is now largely understood, with the majority having activating mutations in the anaplastic lymphoma kinase (ALK) gene. Genome-wide association studies have identified multiple common, low penetrance genetic polymorphisms that are associated with a predisposition to sporadic neuroblastoma, and these associations are disease phenotype specific. While many of the discoveries related to variations in the host genome that predispose to neuroblastoma are recent, there is a long and robust history of investigation of tumor cell genomics, leading to the identification of multiple biomarkers of tumor aggressiveness. Current patient risk stratification algorithms utilize key genomic features for therapy assignment. Microarray-based tumor DNA and RNA profiling techniques and next generation sequencing efforts may further refine these risk groups and identify new tractable therapeutic targets. Moving forward, integrative genomics efforts will be needed to discover how the interaction of germline genetic variations influence oncogenesis in neuroblastoma-both initiation and progression. In this review, we summarize the recent advances in the understanding of germline predisposition and molecular pathogenesis of neuroblastoma.
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Affiliation(s)
- Rebecca J Deyell
- Division of Oncology, Children's Hospital of Philadelphia, Department of Pediatrics, University of Pennsylvania School of Medicine, USA
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Afanasyeva EA, Mestdagh P, Kumps C, Vandesompele J, Ehemann V, Theissen J, Fischer M, Zapatka M, Brors B, Savelyeva L, Sagulenko V, Speleman F, Schwab M, Westermann F. MicroRNA miR-885-5p targets CDK2 and MCM5, activates p53 and inhibits proliferation and survival. Cell Death Differ 2011; 18:974-84. [PMID: 21233845 PMCID: PMC3131937 DOI: 10.1038/cdd.2010.164] [Citation(s) in RCA: 119] [Impact Index Per Article: 9.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/26/2010] [Revised: 10/28/2010] [Accepted: 11/02/2010] [Indexed: 12/19/2022] Open
Abstract
Several microRNA (miRNA) loci are found within genomic regions frequently deleted in primary neuroblastoma, including miR-885-5p at 3p25.3. In this study, we demonstrate that miR-885-5p is downregulated on loss of 3p25.3 region in neuroblastoma. Experimentally enforced miR-885-5p expression in neuroblastoma cell lines inhibits proliferation triggering cell cycle arrest, senescence and/or apoptosis. miR-885-5p leads to the accumulation of p53 protein and activates the p53 pathway, resulting in upregulation of p53 targets. Enforced miR-885-5p expression consistently leads to downregulation of cyclin-dependent kinase (CDK2) and mini-chromosome maintenance protein (MCM5). Both genes are targeted by miR-885-5p via predicted binding sites within the 3'-untranslated regions (UTRs) of CDK2 and MCM5. Transcript profiling after miR-885-5p introduction in neuroblastoma cells reveals alterations in expression of multiple genes, including several p53 target genes and a number of factors involved in p53 pathway activity. Taken together, these data provide evidence that miR-885-5p has a tumor suppressive role in neuroblastoma interfering with cell cycle progression and cell survival.
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Affiliation(s)
- E A Afanasyeva
- Department of Tumor Genetics, B030, German Cancer Research Center, Im Neuenheimer Feld 280, Heidelberg, Germany
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Les altérations génétiques dans le neuroblastome et leur apport pour la prise en charge thérapeutique. Bull Cancer 2011; 98:477-88. [DOI: 10.1684/bdc.2011.1364] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022]
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Parodi F, Passoni L, Massimo L, Luksch R, Gambini C, Rossi E, Zuffardi O, Pistoia V, Pezzolo A. Identification of novel prognostic markers in relapsing localized resectable neuroblastoma. OMICS-A JOURNAL OF INTEGRATIVE BIOLOGY 2011; 15:113-21. [PMID: 21319993 DOI: 10.1089/omi.2010.0085] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/12/2022]
Abstract
Patients with localized resectable neuroblastoma (NB) generally have an excellent prognosis and can be treated by surgery alone, but approximately 10% of them develop local recurrences or metastatic progression. The known predictive risk factors are important for the identification of localized resectable NB patients at risk of relapse and/or progression, who may benefit from early and aggressive treatment. These factors, however, identify only a subset of patients at risk, and the search for novel prognostic markers is warranted. This review focuses on the recent advances in the identification of new prognostic markers. Recently we addressed the search of novel genetic prognostic markers in a selected cohort of patients with stroma-poor localized resectable NB who underwent disease relapse or progression (group 1) or complete remission (group 2). High-resolution array-comparative genomic hybridization (CGH) DNA copy-number analysis technology was used. Chromosome 1p36.22p36.32 loss and 1q22qter gain, detected almost exclusively in group 1 patients, were significantly associated with poor event-free survival (EFS). Increasing evidence points to anaplastic lymphoma kinase (ALK) as a fundamental oncogene associated with NB. The immunohistochemical analysis of sporadic NB localized resectable primary tumors (stage 1-2) showed a correlation between aberrant ALK level of expression and tumor progression and clinical outcome. Moreover, other factors that might influence the clinical behavior of these tumors will be reviewed.
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Affiliation(s)
- Federica Parodi
- Laboratory of Oncology, IRCCS G.Gaslini Hospital, Genova, Italy
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Stallings RL, Foley NH, Bryan K, Buckley PG, Bray I. Therapeutic targeting of miRNAs in neuroblastoma. Expert Opin Ther Targets 2010; 14:951-62. [PMID: 20658962 DOI: 10.1517/14728222.2010.510136] [Citation(s) in RCA: 32] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/16/2022]
Abstract
IMPORTANCE OF THE FIELD Neuroblastomas arise from precursor cells of the sympathetic nervous system and are noted for highly heterogeneous clinical behavior. These tumors currently account for approximately 15% of all childhood cancer related deaths in spite of intensive multimodal chemotherapy and are a major problem in pediatric oncology. The identification of novel therapeutic targets is urgently required to reduce patient morbidity. AREAS COVERED IN THIS REVIEW The purpose of this article is to review and synthesize all of the rapidly expanding evidence for the contribution of microRNAs (miRNAs) in neuroblastoma aggressive disease pathogenesis, along with the prospect of using small RNAs as therapeutics. WHAT THE READER WILL GAIN The reader will obtain insight on the miRNAs that are dysregulated in neuroblastoma along with potential therapeutic strategies and the most promising targets. TAKE HOME MESSAGE A number of miRNAs which are associated with aggressive disease pathogenesis in neuroblastoma patients have been demonstrated to contribute in major ways to cell proliferation rates, apoptosis, differentiation, invasiveness and tumor growth in vitro and in vivo. Directly or indirectly interfering with the function of these miRNAs may prove to be an important and novel form of therapy.
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Schleiermacher G, Janoueix-Lerosey I, Ribeiro A, Klijanienko J, Couturier J, Pierron G, Mosseri V, Valent A, Auger N, Plantaz D, Rubie H, Valteau-Couanet D, Bourdeaut F, Combaret V, Bergeron C, Michon J, Delattre O. Accumulation of segmental alterations determines progression in neuroblastoma. J Clin Oncol 2010; 28:3122-30. [PMID: 20516441 DOI: 10.1200/jco.2009.26.7955] [Citation(s) in RCA: 123] [Impact Index Per Article: 8.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/16/2022] Open
Abstract
PURPOSE Neuroblastoma is characterized by two distinct types of genetic profiles, consisting of either numerical or segmental chromosome alterations. The latter are associated with a higher risk of relapse, even when occurring together with numerical alterations. We explored the role of segmental alterations in tumor progression and the possibility of evolution from indolent to aggressive genomic types. PATIENTS AND METHODS Array-based comparative genomic hybridization data of 394 neuroblastoma samples were analyzed and linked to clinical data. RESULTS Integration of ploidy and genomic data indicated that pseudotriploid tumors with mixed numerical and segmental profiles may be derived from pseudotriploid tumors with numerical alterations only. This was confirmed by the analysis of paired samples, at diagnosis and at relapse, as in tumors with a purely numerical profile at diagnosis additional segmental alterations at relapse were frequently observed. New segmental alterations at relapse were also seen in patients with segmental alterations at diagnosis. This was not linked to secondary effects of cytotoxic treatments since it occurred even in patients treated with surgery alone. A higher number of chromosome breakpoints were correlated with advanced age at diagnosis, advanced stage of disease, with a higher risk of relapse, and a poorer outcome. CONCLUSION These data provide further evidence of the role of segmental alterations, suggesting that tumor progression is linked to the accumulation of segmental alterations in neuroblastoma. This possibility of genomic evolution should be taken into account in treatment strategies of low- and intermediate-risk neuroblastoma and should warrant biologic reinvestigation at the time of relapse.
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Affiliation(s)
- Gudrun Schleiermacher
- L'Institut National de la Santé et de la Recherche Médicale U830, Institut Curie, 26 rue d'Ulm, 75248 Paris Cedex 05, France
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Buckley PG, Alcock L, Bryan K, Bray I, Schulte JH, Schramm A, Eggert A, Mestdagh P, De Preter K, Vandesompele J, Speleman F, Stallings RL. Chromosomal and microRNA expression patterns reveal biologically distinct subgroups of 11q- neuroblastoma. Clin Cancer Res 2010; 16:2971-8. [PMID: 20406844 DOI: 10.1158/1078-0432.ccr-09-3215] [Citation(s) in RCA: 64] [Impact Index Per Article: 4.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
Abstract
PURPOSE The purpose of this study was to further define the biology of the 11q- neuroblastoma tumor subgroup by the integration of array-based comparative genomic hybridization with microRNA (miRNA) expression profiling data to determine if improved patient stratification is possible. EXPERIMENTAL DESIGN A set of primary neuroblastoma (n = 160), which was broadly representative of all genetic subtypes, was analyzed by array-based comparative genomic hybridization and for the expression of 430 miRNAs. A 15-miRNA expression signature previously shown to be predictive of clinical outcome was used to analyze an independent cohort of 11q- tumors (n = 37). RESULTS Loss of 4p and gain of 7q occurred at a significantly higher frequency in the 11q- tumors, further defining the genetic characteristics of this subtype. The 11q- tumors could be split into two subgroups using a miRNA expression survival signature that differed significantly in clinical outcome and the overall frequency of large-scale genomic imbalances, with the poor survival subgroup having significantly more imbalances. miRNAs from the expression signature, which were upregulated in unfavorable tumors, were predicted to target downregulated genes from a published mRNA expression classifier of clinical outcome at a higher-than-expected frequency, indicating the miRNAs might contribute to the regulation of genes within the signature. CONCLUSION We show that two distinct biological subtypes of neuroblastoma with loss of 11q occur, which differ in their miRNA expression profiles, frequency of segmental imbalances, and clinical outcome. A miRNA expression signature, combined with an analysis of segmental imbalances, provides greater prediction of event-free survival and overall survival outcomes than 11q status by itself, improving patient stratification.
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Affiliation(s)
- Patrick G Buckley
- Department of Cancer Genetics, Royal College of Surgeons in Ireland, Dublin, Ireland
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Jeison M, Ash S, Halevy-Berko G, Mardoukh J, Luria D, Avigad S, Feinberg-Gorenshtein G, Goshen Y, Hertzel G, Kapelushnik J, Ben Barak A, Attias D, Steinberg R, Stein J, Stark B, Yaniv I. 2p24 Gain region harboring MYCN gene compared with MYCN amplified and nonamplified neuroblastoma: biological and clinical characteristics. THE AMERICAN JOURNAL OF PATHOLOGY 2010; 176:2616-25. [PMID: 20395439 DOI: 10.2353/ajpath.2010.090624] [Citation(s) in RCA: 21] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/29/2023]
Abstract
Although the role of MYCN amplification in neuroblastoma is well established, the biological and clinical characteristics of the 2p gain region harboring the MYCN gene remain unclear. The aim of this study was to compare the biological and clinical characteristics of these tumors with MYCN amplified and nonamplified neuroblastoma and to determine their impact on disease outcome. Samples from 177 patients were analyzed by fluorescence in situ hybridization, including MYCN, 1p, 17q, and 11q regions; 2p gain was identified in 25 patients, MYCN amplification in 31, and no amplification in 121 patients. Patients with 2p gain had a significantly worse 5-year event-free survival rate than patients with no MYCN amplified (P < 0.001), and an intermediate 5-year overall survival rate difference existed between the MYCN amplified tumors (P = 0.025) and nonamplified (P = 0.003) groups. All of the 2p gain samples were associated with segmental and/or numerical alterations in the other tested regions. The presence of segmental alterations with or without MYCN amplification was recently found to be the strongest predictor of relapse in a multivariate analysis. The results of the present study suggest that the determination of MYCN gene copy number relative to chromosome 2, when evaluating MYCN status at diagnosis, may help to reveal the underlying genetic pattern of these tumors and better understand their clinical behavior.
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Affiliation(s)
- Marta Jeison
- Ca-Cytogenetic Lab, Schneider Children's Medical Center of Israel, Kaplan St. 14, 49202 Petah Tikva, Israel.
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Janoueix-Lerosey I, Schleiermacher G, Delattre O. Molecular pathogenesis of peripheral neuroblastic tumors. Oncogene 2010; 29:1566-79. [PMID: 20101209 DOI: 10.1038/onc.2009.518] [Citation(s) in RCA: 76] [Impact Index Per Article: 5.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
Abstract
Neuroblastoma (NB) is an embryonal cancer of the sympathetic nervous system observed in early childhood, characterized by a broad spectrum of clinical behaviors, ranging from spontaneous regression to fatal outcome despite aggressive therapies. NB accounts for 8-10% of pediatric cancers and 15% of the deaths attributable to malignant conditions in children. Interestingly, NB may occur in various contexts, being mostly sporadic but also familial or syndromic. This review focuses on recent advances in the identification of the genes and mechanisms implicated in NB pathogenesis. Although the extensive characterization of the genomic aberrations recurrently observed in sporadic NBs provides important insights into the understanding of the clinical heterogeneity of this neoplasm, analysis of familial and syndromic cases also unravels essential clues on the genetic bases of NB. Recently, the ALK gene emerged as an important NB gene, being implicated both in sporadic and familial cases. The identification of gene expression signatures associated with patient's outcome points out the potential of using gene expression profiling to improve clinical management of patients suffering from NB. Finally, based on recent observations integrating genomic analyses, biological data and clinical information, we discuss possible evolution/progression schemes in NB.
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Affiliation(s)
- I Janoueix-Lerosey
- INSERM U830, Laboratoire de Génétique et Biologie des Cancers, Institut Curie, Paris Cedex 05, France.
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Van Roy N, De Preter K, Hoebeeck J, Van Maerken T, Pattyn F, Mestdagh P, Vermeulen J, Vandesompele J, Speleman F. The emerging molecular pathogenesis of neuroblastoma: implications for improved risk assessment and targeted therapy. Genome Med 2009; 1:74. [PMID: 19638189 PMCID: PMC2717400 DOI: 10.1186/gm74] [Citation(s) in RCA: 28] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022] Open
Abstract
Neuroblastoma is one of the most common solid tumors of childhood, arising from immature sympathetic nervous system cells. The clinical course of patients with neuroblastoma is highly variable, ranging from spontaneous regression to widespread metastatic disease. Although the outcome for children with cancer has improved considerably during the past decades, the prognosis of children with aggressive neuroblastoma remains dismal. The clinical heterogeneity of neuroblastoma mirrors the biological and genetic heterogeneity of these tumors. Ploidy and MYCN amplification have been used as genetic markers for risk stratification and therapeutic decision making, and, more recently, gene expression profiling and genome-wide DNA copy number analysis have come into the picture as sensitive and specific tools for assessing prognosis. The applica tion of new genetic tools also led to the discovery of an important familial neuroblastoma cancer gene, ALK, which is mutated in approximately 8% of sporadic tumors, and genome-wide association studies have unveiled loci with risk alleles for neuroblastoma development. For some of the genomic regions that are deleted in some neuroblastomas, on 1p, 3p and 11q, candidate tumor suppressor genes have been identified. In addition, evidence has emerged for the contribution of epigenetic disturbances in neuroblastoma oncogenesis. As in other cancer entities, altered microRNA expression is also being recognized as an important player in neuroblastoma. The recent successes in unraveling the genetic basis of neuroblastoma are now opening opportunities for development of targeted therapies.
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Affiliation(s)
- Nadine Van Roy
- Center for Medical Genetics, Ghent University Hospital, De Pintelaan 185, B-9000 Ghent, Belgium
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Hoebeeck J, De Wilde B, Michels E, Combaret V, Yigit N, De Smet E, Van Roy N, Stanbridge E, Ru N, Laureys G, De Paepe A, Speleman F, Vandesompele J. Chromosome 3p microsatellite allelotyping in neuroblastoma: a report on the technical hurdles. Cancer Invest 2009; 27:857-68. [PMID: 19544108 DOI: 10.1080/07357900902769731] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/20/2022]
Abstract
Pinpointing critical regions of recurrent loss may help localize tumor suppressor genes. To determine the regions of loss on chromosome 3p in neuroblastoma, we performed loss of heterozygosity analysis using 16 microsatellite markers in a series of 65 primary tumors and 29 neuroblastoma cell lines. In this study, we report the results and discuss the technical hurdles that we encountered during data generation and interpretation that are of relevance for current studies or tests employing microsatellites. To provide functional support for the implication of 3p tumor suppressor genes in this childhood malignancy, we performed a microcell-mediated chromosome 3 transfer in neuroblastoma cells.
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Stallings RL. MicroRNA involvement in the pathogenesis of neuroblastoma: potential for microRNA mediated therapeutics. Curr Pharm Des 2009; 15:456-62. [PMID: 19199973 DOI: 10.2174/138161209787315837] [Citation(s) in RCA: 64] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/07/2023]
Abstract
Neuroblastoma arises from precursor cells of the sympathetic nervous system and presently accounts for 15% of all childhood cancer deaths. These tumors display remarkable heterogeneity in clinical behavior, ranging from spontaneous regression to rapid progression and resistance to therapy. The clinical behavior of these tumors is associated with many factors, including patient age, histopathology and genetic abnormalities such as MYCN amplification. More recently, the dysregulation of some miRNAs, including the miR-17-5p-92 cluster and miR-34a, has been implicated in the pathobiology of neuroblastoma. MiR-17-5p-92 family members act in an oncogenic manner while miR-34a has tumor suppressor functions. The evidence for the contribution of miRNAs in the aggressive neuroblastoma phenotype is reviewed in this article, along with exciting possibilities for miRNA mediated therapeutics.
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Affiliation(s)
- R L Stallings
- Royal College of Surgeons and Children's Research Centre Our Lady's Children's Hospital, Dublin, Ireland.
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Janoueix-Lerosey I, Schleiermacher G, Michels E, Mosseri V, Ribeiro A, Lequin D, Vermeulen J, Couturier J, Peuchmaur M, Valent A, Plantaz D, Rubie H, Valteau-Couanet D, Thomas C, Combaret V, Rousseau R, Eggert A, Michon J, Speleman F, Delattre O. Overall genomic pattern is a predictor of outcome in neuroblastoma. J Clin Oncol 2009; 27:1026-33. [PMID: 19171713 DOI: 10.1200/jco.2008.16.0630] [Citation(s) in RCA: 256] [Impact Index Per Article: 17.1] [Reference Citation Analysis] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022] Open
Abstract
PURPOSE For a comprehensive overview of the genetic alterations of neuroblastoma, their association and clinical significance, we conducted a whole-genome DNA copy number analysis. PATIENTS AND METHODS A series of 493 neuroblastoma (NB) samples was investigated by array-based comparative genomic hybridization in two consecutive steps (224, then 269 patients). RESULTS Genomic analysis identified several types of profiles. Tumors presenting exclusively whole-chromosome copy number variations were associated with excellent survival. No disease-related death was observed in this group. In contrast, tumors with any type of segmental chromosome alterations characterized patients with a high risk of relapse. Patients with both numerical and segmental abnormalities clearly shared the higher risk of relapse of segmental-only patients. In a multivariate analysis, taking into account the genomic profile, but also previously described individual genetic and clinical markers with prognostic significance, the presence of segmental alterations with (HR, 7.3; 95% CI, 3.7 to 14.5; P < .001) or without MYCN amplification (HR, 4.5; 95% CI, 2.4 to 8.4; P < .001) was the strongest predictor of relapse; the other significant variables were age older than 18 months (HR, 1.8; 95% CI, 1.2 to 2.8; P = .004) and stage 4 (HR, 1.8; 95% CI, 1.2 to 2.7; P = .005). Finally, within tumors showing segmental alterations, stage 4, age, MYCN amplification, 1p and 11q deletions, and 1q gain were independent predictors of decreased overall survival. CONCLUSION The analysis of the overall genomic pattern, which probably unravels particular genomic instability mechanisms rather than the analysis of individual markers, is essential to predict relapse in NB patients. It adds critical prognostic information to conventional markers and should be included in future treatment stratification.
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Affiliation(s)
- Isabelle Janoueix-Lerosey
- INSERM U830, Laboratoire de Génétique et Biologie des Cancers, 26 rue d'Ulm, 75248 Paris Cedex 05, France.
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Bilke S, Chen QR, Wei JS, Khan J. Whole chromosome alterations predict survival in high-risk neuroblastoma without MYCN amplification. Clin Cancer Res 2008; 14:5540-7. [PMID: 18765546 DOI: 10.1158/1078-0432.ccr-07-4461] [Citation(s) in RCA: 14] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
Abstract
PURPOSE Patients with stage IV neuroblastoma over the age of 500 days without MYCN amplification have a survival rate of <30% and there are currently no reliable means of predicting which of these patients will survive or succumb to the disease. The goal of this study is to develop a DNA copy number-based prognostic profile for these patients. EXPERIMENTAL DESIGN We have used comparative genomic hybridization to identify genome copy number changes that can predict outcome in patients with stage IV neuroblastoma without MYCN amplification. RESULTS A strong correlation of patient survival with the presence of whole chromosome changes (WCC >or=2) was observed, even in the group of patients older than 500 days at time of diagnosis. This novel prognostic marker showed a significant dependence on the date of diagnosis; patients with WCC >or=2 diagnosed after 1998 had a significantly higher probability of survival compared with those diagnosed earlier. At the same time, no such time dependence was found among the samples with WCC <2, suggesting that medical progress patients in recent years has particularly benefited those patients with a stage IV non-MYCN-amplified disease if WCC >or=2 were present. CONCLUSIONS In this pilot study, we present a novel prognostic marker for survival of high-risk neuroblastoma patients over the age of 500 days without MYCN amplification and diagnosed after 1998. Further validation study is required to establish this risk stratification for these patients.
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Affiliation(s)
- Sven Bilke
- Oncogenomics Section, Pediatric Oncology Branch, Advanced Technology Center, National Cancer Institute, Gaithersburg, Maryland, USA
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Winter C, Pawel B, Seiser E, Zhao H, Raabe E, Wang Q, Judkins AR, Attiyeh E, Maris JM. Neural cell adhesion molecule (NCAM) isoform expression is associated with neuroblastoma differentiation status. Pediatr Blood Cancer 2008; 51:10-6. [PMID: 18213713 DOI: 10.1002/pbc.21475] [Citation(s) in RCA: 32] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
Abstract
BACKGROUND NCAM is a member of the immunoglobulin superfamily of cell adhesion molecules. While highly expressed on neuroblastoma cells, the relative contribution of the three major NCAM isoforms (120, 140, and 180 kDa) to neuroblastoma biology has not been investigated. METHODS NCAM protein expression was measured in a neuroblastic tumor tissue microarray (N = 185) by immunohistochemistry. Relative expression of NCAM mRNA isoforms was measured in a panel of 24 human neuroblastomas and compared to fetal and adult human brain using real-time quantitative PCR and Western blot analysis. Associations with clinical and tumor biological co-variates were performed. RESULTS NCAM protein was detected on all neuroblastic tumors and was highly expressed in all but 7/167 cases. The mRNA species predicted to encode the 120 kDa protein species was the most abundant isoform in adult brain, ganglioneuromas and ganglioneuroblastomas (P = 0.0007), but the mRNA predicted to encode the 180 kDa species was predominant in neuroblastomas (P = 0.043). Microdissected ganglion and neuroblast cells from human primary tumors confirmed these findings. CONCLUSION Ganglioneuromas and ganglioneuroblastomas express the adhesive 120 kDa NCAM isoform, while neuroblastomas preferentially express the 180 kDa isoform classically involved in cell motility. These data suggest a mechanism for the enhanced metastatic potential of undifferentiated neuroblastomas.
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Affiliation(s)
- Cynthia Winter
- Division of Oncology, Children's Hospital of Philadelphia and Department of Pediatrics, University of Pennsylvania School of Medicine, Philadelphia, Pennsylvania, USA
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Comparison of different techniques for the detection of genetic risk-identifying chromosomal gains and losses in neuroblastoma. Virchows Arch 2008; 453:47-55. [PMID: 18574593 DOI: 10.1007/s00428-008-0633-6] [Citation(s) in RCA: 15] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/04/2008] [Revised: 05/06/2008] [Accepted: 05/13/2008] [Indexed: 01/28/2023]
Abstract
Neuroblastoma (NB) is a pediatric neoplasia that shows complex combinations of acquired genetic aberrations. The specific genes and the molecular mechanisms responsible for development and progression of NB remain poorly understood. Our main objective is to compare the results obtained with different techniques for the detection of genomic data in 20 patients with NB using the information obtained to select the appropriate technique in routine analysis for the therapeutic stratification. The genetic methods used in this study are multiprobe fluorescence in situ hybridization (FISH) assay, metaphasic comparative genomic hybridization (mCGH), array comparative genomic hybridization (aCGH), and the multiplex ligation-dependent probe amplification (MLPA). Genomic copy number abnormalities were used to group the cases in four categories: MYCN amplification cases; 11q deletion tumors; cases with partial chromosome gains or losses and samples with entire chromosome alterations. The data obtained from the multigenomic techniques showed a high degree of concordance and our findings support the hypothesis that NB consists of biologically distinct subgroups that differ by genetic characteristics of prognostic relevance. FISH will be essential for the mandatory study of MYCN status. The use of MLPA as routine technique is an advantage procedure for detecting the implication of the common genetic alterations in NB.
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Michels E, Hoebeeck J, De Preter K, Schramm A, Brichard B, De Paepe A, Eggert A, Laureys G, Vandesompele J, Speleman F. CADM1 is a strong neuroblastoma candidate gene that maps within a 3.72 Mb critical region of loss on 11q23. BMC Cancer 2008; 8:173. [PMID: 18559103 PMCID: PMC2442116 DOI: 10.1186/1471-2407-8-173] [Citation(s) in RCA: 32] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/13/2007] [Accepted: 06/17/2008] [Indexed: 11/24/2022] Open
Abstract
Background Recurrent loss of part of the long arm of chromosome 11 is a well established hallmark of a subtype of aggressive neuroblastomas. Despite intensive mapping efforts to localize the culprit 11q tumour suppressor gene, this search has been unsuccessful thus far as no sufficiently small critical region could be delineated for selection of candidate genes. Methods To refine the critical region of 11q loss, the chromosome 11 status of 100 primary neuroblastoma tumours and 29 cell lines was analyzed using a BAC array containing a chromosome 11 tiling path. For the genes mapping within our refined region of loss, meta-analysis on published neuroblastoma mRNA gene expression datasets was performed for candidate gene selection. The DNA methylation status of the resulting candidate gene was determined using re-expression experiments by treatment of neuroblastoma cells with the demethylating agent 5-aza-2'-deoxycytidine and bisulphite sequencing. Results Two small critical regions of loss within 11q23 at chromosomal band 11q23.1-q23.2 (1.79 Mb) and 11q23.2-q23.3 (3.72 Mb) were identified. In a first step towards further selection of candidate neuroblastoma tumour suppressor genes, we performed a meta-analysis on published expression profiles of 692 neuroblastoma tumours. Integration of the resulting candidate gene list with expression data of neuroblastoma progenitor cells pinpointed CADM1 as a compelling candidate gene. Meta-analysis indicated that CADM1 expression has prognostic significance and differential expression for the gene was noted in unfavourable neuroblastoma versus normal neuroblasts. Methylation analysis provided no evidence for a two-hit mechanism in 11q deleted cell lines. Conclusion Our study puts CADM1 forward as a strong candidate neuroblastoma suppressor gene. Further functional studies are warranted to elucidate the role of CADM1 in neuroblastoma development and to investigate the possibility of CADM1 haploinsufficiency in neuroblastoma.
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Affiliation(s)
- Evi Michels
- Center for Medical Genetics, Ghent University Hospital, Ghent, Belgium.
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Michalowski MB, de Fraipont F, Plantaz D, Michelland S, Combaret V, Favrot MC. Methylation of tumor-suppressor genes in neuroblastoma: The RASSF1A gene is almost always methylated in primary tumors. Pediatr Blood Cancer 2008; 50:29-32. [PMID: 17570703 DOI: 10.1002/pbc.21279] [Citation(s) in RCA: 35] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/16/2023]
Abstract
BACKGROUND Currently, the best characterized genetic aberration in neuroblastoma (NB) is MYCN amplification, which has been clearly related to prognosis. In the present study, we investigated whether specific epigenetic alterations are associated with stage of disease. PROCEDURE Sixty-two NBs (45 primary tumors and 17 NBs at relapse) were studied in terms of the methylation status of 19 genes (p15INK4a, p16INK4a, p14ARF, APC, RB1, RASSF1A, BLU, FHIT, RARbeta, INI1, TIMP3, NF2, MGMT, DAPK, FLIP, ECAD, CASP8, and the receptors DcR1 and DcR2). RESULTS At diagnosis, we found hypermethylation of RASSF1A in 93% of these tumors, hypermethylation of TIMP3 in 51%, of CASP8 in 38%, of BLU in 34%, of DcR2 in 25%, and of DcR1 in 11%. All 17 tumors tested at relapse showed hypermethylation of RASSF1A (100%), while 10 showed hypermethylation of TIMP3 (59%), six of CASP8 (35%), five of DcR2 (29%), four of BLU (24%), and three of DcR1 (18%). Hypermethylation was related to clinical stage; NBs at stages 1, 2, and 4s were less frequently methylated than stages 3 and 4 disease (P = 0.002). CONCLUSION These results from our series indicate that hypermethylation of tumor-suppressor genes may be important in the development and evolution of NB. These epigenetic alterations could be used as a marker of the disease and genes regulating methylation should be considered as possible therapeutic targets in NB.
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Michels E, Vandesompele J, De Preter K, Hoebeeck J, Vermeulen J, Schramm A, Molenaar JJ, Menten B, Marques B, Stallings RL, Combaret V, Devalck C, De Paepe A, Versteeg R, Eggert A, Laureys G, Van Roy N, Speleman F. ArrayCGH-based classification of neuroblastoma into genomic subgroups. Genes Chromosomes Cancer 2007; 46:1098-108. [PMID: 17823929 DOI: 10.1002/gcc.20496] [Citation(s) in RCA: 63] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022] Open
Abstract
High-resolution array comparative genomic hybridization (arrayCGH) profiling was performed on 75 primary tumors and 29 cell lines to gain further insight into the genetic heterogeneity of neuroblastoma and to refine genomic subclassification. Using a novel data-mining strategy, three major and two minor genomic subclasses were delineated. Eighty-three percent of tumors could be assigned to the three major genomic subclasses, corresponding to the three known clinically and biologically relevant subsets in neuroblastoma. The remaining subclasses represented (1) tumors with no/few copy number alterations or an atypical pattern of aberrations and (2) tumors with 11q13 amplification. Inspection of individual arrayCGH profiles showed that recurrent genomic imbalances were not exclusively associated with a specific subclass. Of particular notice were tumors with numerical imbalances typically observed in subtype 1 neuroblastoma, in association with genomic features of subtype 2A or 2B. A search for prognostically relevant genomic alterations disclosed 1q gain as a predictive marker for therapy failure within the group of subtype 2A and 2B tumors. In cell lines, a high incidence of 6q loss was observed, with a 3.87-5.32 Mb region of common loss within 6q25.1-6q25.2. Our study clearly illustrates the importance of genomic profiling in relation to tumor behavior in neuroblastoma. We propose that genome-wide assessment of copy number alterations should ideally be included in the genetic workup of neuroblastoma. Further multicentric studies on large tumor series are warranted in order to improve therapeutic stratification in conjunction with other features such as age at diagnosis, tumor stage, and gene expression signatures.
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Affiliation(s)
- Evi Michels
- Center for Medical Genetics, Ghent University Hospital, Ghent, Belgium
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Stallings R. Origin and functional significance of large-scale chromosomal imbalances in neuroblastoma. Cytogenet Genome Res 2007; 118:110-5. [DOI: 10.1159/000108291] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/29/2006] [Accepted: 12/20/2006] [Indexed: 11/19/2022] Open
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Spitz R, Hero B, Simon T, Berthold F. Loss in chromosome 11q identifies tumors with increased risk for metastatic relapses in localized and 4S neuroblastoma. Clin Cancer Res 2007; 12:3368-73. [PMID: 16740759 DOI: 10.1158/1078-0432.ccr-05-2495] [Citation(s) in RCA: 77] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
Abstract
PURPOSE To improve risk prediction in neuroblastoma and to specify the type of a possible relapse, alterations in the long arm of chromosome 11 were analyzed. EXPERIMENTAL DESIGN A representative cohort of 611 neuroblastomas was investigated for deletion events in distal chromosome 11q using interphase fluorescence in situ hybridization. RESULTS Alterations in 11q were found in 159 of 611 tumors in the whole cohort (26%) and were associated with stage 4 disease (P < 0.001) and age at diagnosis of >2.5 years (P < 0.001). Event-free survival and overall survival were significantly poorer for patients with 11q loss in the whole cohort (event-free survival and overall survival, P < 0.001) and in different subsets: neuroblastoma without MYCN amplification (MNA) (event-free survival and overall survival, P < 0.001), with MNA (event-free survival, P = 0.03; overall survival, P = 0.02), and MYCN-nonamplified stage 1, 2, 3, and 4S tumors with and without del 1p (event-free survival and overall survival, P < 0.001). In stage 4, the 11q status did not discriminate outcome. By multivariate analysis, the 11q status proved prognostic for event-free survival in the whole cohort (P = 0.008; hazard ratio, 1.573) and in the subgroup of stages 1, 2, 3, and 4S without MNA (P < 0.001; hazard ratio, 3.534). Moreover, 11q alterations were strongly correlated with the occurrence of metastatic relapses (P < 0.001). CONCLUSION In addition to the current risk stratification, the status of 11q enables the identification of patients with an increased risk for relapses in general and metastatic relapses in particular.
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Affiliation(s)
- Ruediger Spitz
- Authors' Affiliations: Department of Pediatric Oncology, University Children's Hospital, Köln, Germany.
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Abstract
The clinical hallmark of neuroblastoma is heterogeneity, with the likelihood of cure varying widely according to age at diagnosis, extent of disease, and tumour biology. A subset of tumours will undergo spontaneous regression while others show relentless progression. Around half of all cases are currently classified as high-risk for disease relapse, with overall survival rates less than 40% despite intensive multimodal therapy. This Seminar focuses on recent advances in our understanding of the biology of this complex paediatric solid tumour. We outline plans for the development of a uniform International Neuroblastoma Risk Group (INRG) classification system, and summarise strategies for risk-based therapies. We also update readers on new discoveries related to the underlying molecular pathogenesis of this tumour, with special emphasis on advances that are translatable to the clinic. Finally, we discuss new approaches to treatment, including recently discovered molecular targets that might provide more effective treatment strategies with the potential for less toxicity.
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Affiliation(s)
- John M Maris
- Children's Hospital of Philadelphia and University of Pennsylvania School of Medicine, Philadelphia, PA 19104-4318, USA.
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Schleiermacher G, Michon J, Huon I, d'Enghien CD, Klijanienko J, Brisse H, Ribeiro A, Mosseri V, Rubie H, Munzer C, Thomas C, Valteau-Couanet D, Auvrignon A, Plantaz D, Delattre O, Couturier J. Chromosomal CGH identifies patients with a higher risk of relapse in neuroblastoma without MYCN amplification. Br J Cancer 2007; 97:238-46. [PMID: 17579628 PMCID: PMC2360301 DOI: 10.1038/sj.bjc.6603820] [Citation(s) in RCA: 67] [Impact Index Per Article: 3.9] [Reference Citation Analysis] [Abstract] [MESH Headings] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022] Open
Abstract
Whereas neuroblastoma (NB) with MYCN amplification presents a poor prognosis, no single marker allows to reliably predict outcome in tumours without MYCN amplification. We report here an extensive analysis of 147 NB samples at diagnosis, without MYCN amplification, by chromosomal comparative genomic hybridisation (CGH), providing a comprehensive overview of their genomic imbalances. Comparative genomic hybridisation profiles showed gains or losses of entire chromosomes (type 1) in 71 cases, whereas partial chromosome gains or losses (type 2), including gain involving 17q were observed in 68 cases. Atypical profiles were present in eight cases. A type 1 profile was observed more frequently in localised disease (P<0.0001), and in patients of less than 12 months at diagnosis (P<0.0001). A type 2 genomic profile was associated with a higher risk of relapse in the overall population (log-rank test; P<0.0001), but also in the subgroup of patients with localised disease (log-rank test, P=0.007). In multivariate analysis, the genomic profile was the strongest independent prognostic factor. In conclusion, the genomic profile is of prognostic impact in patients without MYCN amplification, making it a help in the management of low-stage NB. Further studies using higher-resolution CGH are needed to better characterise atypical genomic alterations.
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Stallings RL. Are chromosomal imbalances important in cancer? Trends Genet 2007; 23:278-83. [PMID: 17400327 DOI: 10.1016/j.tig.2007.03.009] [Citation(s) in RCA: 16] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/18/2006] [Revised: 02/12/2007] [Accepted: 03/19/2007] [Indexed: 10/23/2022]
Abstract
Tumor-specific patterns of large-scale chromosomal imbalances characterize most forms of cancer. Based on evidence primarily from neuroblastomas, it can be argued that large-scale chromosomal imbalances are crucial for tumor pathogenesis and have an impact on the global transcriptional profile of cancer cells, and that some imbalances even initiate cancer. The genes and genetic pathways that have been dysregulated by such imbalances remain surprisingly elusive. Many genes are affected by the regions of gain and loss, and there are complex interactions and relationships that occur between these genes, hindering their identification. The study of untranslated RNA sequences, such as microRNAs, is in its infancy, and it is likely that such sequences are also dysregulated by chromosomal imbalance, contributing to pathogenesis.
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Affiliation(s)
- Raymond L Stallings
- Children's Cancer Research Institute and Department of Pediatrics, The University of Texas Health Science Center at San Antonio, 8403 Floyd Curl Drive, MC 7784, San Antonio, TX 78229-3900, USA.
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Chen Y, Stallings RL. Differential patterns of microRNA expression in neuroblastoma are correlated with prognosis, differentiation, and apoptosis. Cancer Res 2007; 67:976-83. [PMID: 17283129 DOI: 10.1158/0008-5472.can-06-3667] [Citation(s) in RCA: 275] [Impact Index Per Article: 16.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
Abstract
Neuroblastoma accounts for 15% of pediatric cancer deaths, and although a few protein-coding genes, such as MYCN, are involved with aggressive pathogenicity, the identification of novel biological targets for therapeutic intervention is still a necessary prerequisite for improving patient survival. Expression profiling of 157 microRNA (miRNA) loci in 35 primary neuroblastoma tumors indicates that 32 loci are differentially expressed in favorable and unfavorable tumor subtypes, indicating a potential role of miRNAs in neuroblastoma pathogenesis. Many of these loci are significantly underexpressed in tumors with MYCN amplification, which have particularly poor prognoses. Interestingly, we found that miRNA expression levels substantially change in a MYCN-amplified cell line following exposure to retinoic acid, a compound which is well known for causing reductions in MYCN expression and for inducing neuroblastoma cell lines to undergo neuronal differentiation. We also show that small interfering RNA inhibition of MYCN by itself causes similar alterations in the expression of miRNA loci. In vitro functional studies of one locus, miR-184, indicate that it plays a significant role in apoptosis. The association of experimentally induced alterations of miRNA expression in neuroblastoma cell lines with differentiation or apoptosis leads us to conclude that these loci play important roles in neuroblastoma pathogenesis. We further suggest that MYCN may mediate a tumorigenic effect, in part, through directly or indirectly regulating the expression of miRNAs that are involved with neural cell differentiation and/or apoptosis, warranting substantial further studies of miRNAs as potential therapeutic targets.
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Affiliation(s)
- Yongxin Chen
- Children's Cancer Research Institute and Department of Pediatrics, The University of Texas Health Science Center at San Antonio, 8403 Floyd Curl Drive, San Antonio, TX 78229, USA
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Hoebeeck J, Michels E, Menten B, Van Roy N, Eggert A, Schramm A, De Preter K, Yigit N, De Smet E, De Paepe A, Laureys G, Vandesompele J, Speleman F. High resolution tiling-path BAC array deletion mapping suggests commonly involved 3p21-p22 tumor suppressor genes in neuroblastoma and more frequent tumors. Int J Cancer 2007; 120:533-8. [PMID: 17096344 DOI: 10.1002/ijc.22326] [Citation(s) in RCA: 17] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
Abstract
The recurrent loss of 3p segments in neuroblastoma suggests the implication of 1 or more tumor suppressor genes but thus far few efforts have been made to pinpoint their detailed chromosomal position. To achieve this goal, array-based comparative genomic hybridization was performed on a panel of 23 neuroblastoma cell lines and 75 primary tumors using a tiling-path bacterial artificial chromosome array for chromosome 3p. A total of 45 chromosome 3 losses were detected, including whole chromosome losses, large terminal deletions and interstitial deletions. The latter, observed in cell lines as well as a number of distal deletions detected in primary tumors, allowed us to demarcate 3 minimal regions of loss of 3.6 Mb [3p21.31-p21.2, shortest regions of overlap (SRO)1], 1.4 Mb (3p22.3-3p22.2, SRO2) and 3.8 Mb (3p25.3-p25.1, SRO3) in size. The present data significantly extend previous findings and now firmly establish critical regions on 3p implicated in neuroblastoma. Interestingly, the 2 proximal regions coincide with previously defined SROs on 3p21.3 in more frequent tumors including lung and breast cancer. As such, similar tumor suppressor genes may play a critical role in development or progression of a variety of neoplasms, including neuroblastoma.
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Affiliation(s)
- Jasmien Hoebeeck
- Center for Medical Genetics, Ghent University Hospital, Ghent, Belgium
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