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Prathipati P, Pathania AS, Chaturvedi NK, Gupta SC, Byrareddy SN, Coulter DW, Challagundla KB. SAP30, an oncogenic driver of progression, poor survival, and drug resistance in neuroblastoma. MOLECULAR THERAPY. NUCLEIC ACIDS 2024; 35:101543. [PMID: 38817681 PMCID: PMC11137595 DOI: 10.1016/j.omtn.2022.03.014] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 08/27/2021] [Accepted: 03/18/2022] [Indexed: 06/01/2024]
Abstract
Neuroblastoma is the most devastating extracranial solid malignancy in children. Despite an intense treatment regimen, the prognosis for high-risk neuroblastoma patients remains poor, with less than 40% survival. So far, MYCN amplification status is considered the most prognostic factor but corresponds to only ∼25% of neuroblastoma patients. Therefore, it is essential to identify a better prognosis and therapy response marker in neuroblastoma patients. We applied robust bioinformatic data mining tools, such as weighted gene co-expression network analysis, cisTarget, and single-cell regulatory network inference and clustering on two neuroblastoma patient datasets. We found Sin3A-associated protein 30 (SAP30), a driver transcription factor positively associated with high-risk, progression, stage 4, and poor survival in neuroblastoma patient cohorts. Tumors of high-risk neuroblastoma patients and relapse-specific patient-derived xenografts showed higher SAP30 levels. The advanced pharmacogenomic analysis and CRISPR-Cas9 screens indicated that SAP30 essentiality is associated with cisplatin resistance and further showed higher levels in cisplatin-resistant patient-derived xenograft tumor cell lines. Silencing of SAP30 induced cell death in vitro and led to a reduced tumor burden and size in vivo. Altogether, these results indicate that SAP30 is a better prognostic and cisplatin-resistance marker and thus a potential drug target in high-risk neuroblastoma.
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Affiliation(s)
- Philip Prathipati
- Laboratory of Bioinformatics, National Institutes of Biomedical Innovation, Health and Nutrition, 7-6-8 Saito-Asagi, Ibaraki City, Osaka 567-0085, Japan
| | - Anup S. Pathania
- Department of Biochemistry and Molecular Biology & Fred and Pamela Buffett Cancer Center, University of Nebraska Medical Center, Omaha, NE 68198, USA
| | - Nagendra K. Chaturvedi
- Department of Pediatrics, Division of Hematology/Oncology, University of Nebraska Medical Center, Omaha, NE 68198, USA
| | - Subash C. Gupta
- Department of Biochemistry, Institute of Science, Banaras Hindu University, Varanasi, Uttar Pradesh 221005, India
| | - Siddappa N. Byrareddy
- Department of Biochemistry and Molecular Biology & Fred and Pamela Buffett Cancer Center, University of Nebraska Medical Center, Omaha, NE 68198, USA
- Department of Pharmacology and Experimental Neuroscience, University of Nebraska Medical Center, Omaha, NE 68198, USA
| | - Don W. Coulter
- Department of Pediatrics, Division of Hematology/Oncology, University of Nebraska Medical Center, Omaha, NE 68198, USA
| | - Kishore B. Challagundla
- Department of Biochemistry and Molecular Biology & Fred and Pamela Buffett Cancer Center, University of Nebraska Medical Center, Omaha, NE 68198, USA
- The Child Health Research Institute, University of Nebraska Medical Center, Omaha, NE 68198, USA
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Mullen CJR, Barr RD, Franco EL. Timeliness of diagnosis and treatment: the challenge of childhood cancers. Br J Cancer 2021; 125:1612-1620. [PMID: 34471259 PMCID: PMC8651632 DOI: 10.1038/s41416-021-01533-4] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/20/2021] [Revised: 08/04/2021] [Accepted: 08/19/2021] [Indexed: 02/07/2023] Open
Abstract
Cancer represents an important cause of disease-related death in children worldwide. Improved treatment and understanding of the ways in which cancer manifests has allowed for a greater prospect of survival in children of all ages. However, variation in childhood cancer experience exists based on factors at the individual, community and systems levels. Throughout the cancer care continuum these factors may influence the access and timeliness of care a child receives, leading to delays in diagnosis and treatment. The pejorative designation 'delay in diagnosis and treatment' is better characterised as lag time, representing an interval that is thought to influence survival and overall outcome. In recent decades, work has been done to expedite early childhood cancer diagnosis through the creation of screening and education-based programmes. Although systematic cancer screening in children poses risks and fails to achieve the goal of early diagnosis, a case has been made for risk-based surveillance that has been shown to improve outcome and reduce occurrence of advanced stage disease in targeted populations. The components of lag time are examined separately and individually. This review highlights the challenges of early diagnosis in childhood cancers and describes important contributors in the cancer care continuum.
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Affiliation(s)
- Callum J R Mullen
- Division of Cancer Epidemiology, McGill University, Montréal, QC, Canada
| | - Ronald D Barr
- Department of Pediatrics, McMaster University, Hamilton, ON, Canada
| | - Eduardo L Franco
- Division of Cancer Epidemiology, McGill University, Montréal, QC, Canada.
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Borni M, Znazen M, Mdhaffar N, Boudawara MZ. A rare case of pediatric primary central nervous system differentiating neuroblastoma: an unusual and rare intracranial primitive neuroectodermal tumor (a case report). Pan Afr Med J 2021; 40:33. [PMID: 34795814 PMCID: PMC8571934 DOI: 10.11604/pamj.2021.40.33.30587] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/29/2021] [Accepted: 08/10/2021] [Indexed: 11/23/2022] Open
Abstract
Neuroblastoma represents the most common solid extracranial tumor in children under 5, accounting for 8% to 10% of all childhood cancers. Primary central nervous system (CNS) neuroblastomas are a very rare location and only few cases are available in the literature. It was first described in 1973 by Hart and Earl as supratentorial primitive neuroectodermal tumors. Clinical presentation is highly variable and depends on the initial location of the tumor. Regarding imaging, primary brain neuroblastoma shows no pathognomonic appearance on brain computed tomography (CT) whether or not enhanced or magnetic resonance imaging (MRI). There were no standard guidelines available for the adjuvant treatment in case of primary CNS neuroblastoma. Surgery remains the main and the first tool toward these lesions. Radiotherapy associated or not to chemotherapy is offered based on patient´s age. Here, the authors report a new pediatric case of primitive central nervous system neuroblastoma revealed by an intracranial hypertension syndrome and confirmed by both histopathological and immunohistochemistry study after a gross total surgical excision. The postoperative course was uneventful and the child had good recovery.
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Affiliation(s)
- Mehdi Borni
- Department of Neurosurgery, University Hospital Center Habib Bourguiba, Sfax, Tunisia
| | - Mohamed Znazen
- Department of Neurosurgery, University Hospital Center Habib Bourguiba, Sfax, Tunisia
| | - Najiba Mdhaffar
- Department of General Medicine, Regional Hospital of Jebeniana, Sfax, Tunisia
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Jatoi I, Anderson WF, Miller AB, Brawley OW. The history of cancer screening. Curr Probl Surg 2019; 56:138-163. [PMID: 30922446 DOI: 10.1067/j.cpsurg.2018.12.006] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/17/2018] [Accepted: 12/31/2018] [Indexed: 12/23/2022]
Affiliation(s)
- Ismail Jatoi
- Division of Surgical Oncology, Dale H. Dorn Endowed Chair in Surgery, University of Texas Health Science Center, San Antonio, TX.
| | - William F Anderson
- National Institutes of Health/National Cancer Institute, Division of Cancer Epidemiology and Genetics, Bethesda, MA
| | - Anthony B Miller
- Dalla Lana School of Public Health, University of Toronto, Toronto, Ontario, Canada
| | - Otis W Brawley
- Michael Bloomberg Distinguished Professor of Oncology and Public Health, Johns Hopkins University, Baltimore, MA
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Neuroblastoma: clinical and biological approach to risk stratification and treatment. Cell Tissue Res 2018; 372:195-209. [PMID: 29572647 DOI: 10.1007/s00441-018-2821-2] [Citation(s) in RCA: 143] [Impact Index Per Article: 23.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/17/2017] [Accepted: 02/28/2018] [Indexed: 01/15/2023]
Abstract
Neuroblastoma is the most common extra-cranial solid tumor of childhood and the most common in the first year of life. It is a unique malignancy in that infants often present with either localized or metastatic disease that can spontaneously regress without intervention while older children can succumb to the disease after months to years of arduous therapy. Given this wide range of outcomes, the International Neuroblastoma Risk Group was created to stratify patients based on presenting characteristics and tumor biology in order to guide intensity of treatment strategies. The goal has been to decrease therapy for low-risk patients to avoid long-term complications while augmenting and targeting therapies for high-risk patients to improve overall survival. The international risk stratification depends on age, stage, histology, MYCN gene amplification status, tumor cell ploidy and segmental chromosomal abnormalities. Treatment for asymptomatic low-risk patients with an estimated survival of > 98% is often observation or surgical resection alone, whereas intermediate-risk patients with an estimated survival of > 90% require moderate doses of response-adjusted chemotherapy along with resection. High-risk patients undergo multiple cycles of combination chemotherapy before surgery, followed by consolidation with myeloablative autologous hematopoietic stem cell transplantation and local radiation and finally immunotherapy with differentiation therapy as maintenance phase. With this approach, outcome for patients with neuroblastoma has improved, as the field continues to expand efforts in more targeted therapies for high-risk patients.
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Abstract
Neuroblastoma is the most common extracranial solid tumour occurring in childhood and has a diverse clinical presentation and course depending on the tumour biology. Unique features of these neuroendocrine tumours are the early age of onset, the high frequency of metastatic disease at diagnosis and the tendency for spontaneous regression of tumours in infancy. The most malignant tumours have amplification of the MYCN oncogene (encoding a transcription factor), which is usually associated with poor survival, even in localized disease. Although transgenic mouse models have shown that MYCN overexpression can be a tumour-initiating factor, many other cooperating genes and tumour suppressor genes are still under investigation and might also have a role in tumour development. Segmental chromosome alterations are frequent in neuroblastoma and are associated with worse outcome. The rare familial neuroblastomas are usually associated with germline mutations in ALK, which is mutated in 10-15% of primary tumours, and provides a potential therapeutic target. Risk-stratified therapy has facilitated the reduction of therapy for children with low-risk and intermediate-risk disease. Advances in therapy for patients with high-risk disease include intensive induction chemotherapy and myeloablative chemotherapy, followed by the treatment of minimal residual disease using differentiation therapy and immunotherapy; these have improved 5-year overall survival to 50%. Currently, new approaches targeting the noradrenaline transporter, genetic pathways and the tumour microenvironment hold promise for further improvements in survival and long-term quality of life.
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Spix C, Berthold F, Hero B, Michaelis J, Schilling FH. Correction factors for self-selection when evaluating screening programmes. J Med Screen 2015. [DOI: 10.1177/0969141315597959] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
Abstract
Objective In screening programmes there is recognized bias introduced through participant self-selection (the healthy screenee bias). Methods used to evaluate screening programmes include Intention-to-screen, per-protocol, and the “post hoc” approach in which, after introducing screening for everyone, the only evaluation option is participants versus non-participants. All methods are prone to bias through self-selection. We present an overview of approaches to correct for this bias. Methods We considered four methods to quantify and correct for self-selection bias. Simple calculations revealed that these corrections are actually all identical, and can be converted into each other. Based on this, correction factors for further situations and measures were derived. The application of these correction factors requires a number of assumptions. Results Using as an example the German Neuroblastoma Screening Study, no relevant reduction in mortality or stage 4 incidence due to screening was observed. The largest bias (in favour of screening) was observed when comparing participants with non-participants. Conclusions Correcting for bias is particularly necessary when using the post hoc evaluation approach, however, in this situation not all required data are available. External data or further assumptions may be required for estimation.
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Affiliation(s)
- Claudia Spix
- University Medical Center Mainz, IMBEI, German Childhood Cancer Registry, Mainz, Germany
| | - Frank Berthold
- University Children’s Hospital, Pediatric Oncology/Hematology, Koeln, Germany
| | - Barbara Hero
- University Children’s Hospital, Pediatric Oncology/Hematology, Koeln, Germany
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Steliarova-Foucher E, Stiller C, Colombet M, Kaatsch P, Zanetti R, Peris-Bonet R. Registration of childhood cancer: Moving towards pan-European coverage? Eur J Cancer 2015; 51:1064-79. [PMID: 25899984 DOI: 10.1016/j.ejca.2015.03.009] [Citation(s) in RCA: 20] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/15/2014] [Revised: 03/04/2015] [Accepted: 03/09/2015] [Indexed: 11/29/2022]
Abstract
Cancer is relatively rare in childhood, but it contributes considerably to childhood mortality, years of life lost per person and late effects in survivors. Large populations need to be covered to set up meaningful studies of these rare conditions. Cancer registries ensure cancer surveillance, thus providing the basis for research as well as policy decisions. In this paper we examine coverage of childhood population by cancer registries in Europe and encourage national cancer registration. Over 200 cancer registries in various stages of development were identified as collecting data on childhood cancer patients in Europe. They cover 52% of the childhood population in the World Health Organisation (WHO) European region and 83% in the European Union (EU). More than 80% of this coverage is ensured by nationwide data collection, which is ongoing in 29 European countries. Overall coverage of the childhood population could increase to around 98%, if the recently established cancer registries start producing results and others improve their quality and dissemination plans. Paediatric cancer registries are being established with increasing frequency even in the areas covered by general cancer registries, and they tend to be national. Compared with regional registration, national cancer registries are more cost-effective, record larger number of cases, they can achieve higher completeness, less biased incidence and survival estimates and they are conditioned for national and international research. National registration of childhood cancer should be the rule in Europe, so that accurate regional, nation-wide and international statistics can provide solid baselines for research, clinical practice and public health policy. Governmental support and stakeholders' involvement are indispensable to guarantee optimal data quality and completeness.
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Affiliation(s)
- Eva Steliarova-Foucher
- Section of Cancer Surveillance, International Agency for Research on Cancer, Lyon, France.
| | - Charles Stiller
- Childhood Cancer Research Group, University of Oxford, Oxford, UK
| | - Murielle Colombet
- Section of Cancer Surveillance, International Agency for Research on Cancer, Lyon, France
| | - Peter Kaatsch
- German Childhood Cancer Registry, University Medical Centre, Mainz, Germany
| | - Roberto Zanetti
- Piedmont Cancer Registry, Centre for Cancer Prevention, Torino, Italy
| | - Rafael Peris-Bonet
- Spanish Registry of Childhood Tumours (RETI-SEHOP), University of Valencia, Valencia, Spain
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Zhu Y, Li Y, Haraguchi S, Yu M, Ohira M, Ozaki T, Nakagawa A, Ushijima T, Isogai E, Koseki H, Nakamura Y, Kong C, Mehlen P, Arakawa H, Nakagawara A. Dependence receptor UNC5D mediates nerve growth factor depletion-induced neuroblastoma regression. J Clin Invest 2013; 123:2935-47. [PMID: 23778138 DOI: 10.1172/jci65988] [Citation(s) in RCA: 38] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/25/2012] [Accepted: 04/25/2013] [Indexed: 12/13/2022] Open
Abstract
Spontaneous regression of neuroblastoma (NB) resembles the developmentally regulated programmed cell death (PCD) of sympathetic neurons. Regressing tumor cells express high levels of the nerve growth factor (NGF) receptors TRKA and p75NTR and are dependent on NGF for survival; however, the underlying molecular mechanism remains elusive. Here, we show that UNC5D, a dependence receptor that is directly targeted by p53 family members, is highly expressed in favorable NBs. NGF withdrawal strongly upregulated UNC5D, E2F1, and p53 in human primary favorable NBs. The induced UNC5D was cleaved by caspases 2/3, and the released intracellular fragment translocated into the nucleus and interacted with E2F1 to selectively transactivate the proapoptotic target gene. The cleavage of UNC5D and its induction of apoptosis were strongly inhibited by addition of netrin-1. Unc5d(-/-) mice consistently exhibited a significant increase in dorsal root ganglia neurons and resistance to NGF depletion-induced apoptosis in sympathetic neurons compared with wild-type cells. Our data suggest that UNC5D forms a positive feedback loop with p53 and E2F1 to promote NGF dependence-mediated PCD during NB regression.
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Affiliation(s)
- Yuyan Zhu
- Division of Biochemistry and Innovative Cancer Therapeutics and Children's Cancer Research Center, Chiba Cancer Center Research Institute, Chiba, Japan
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Childhood cancer risk from conventional radiographic examinations for selected referral criteria: results from a large cohort study. AJR Am J Roentgenol 2011; 197:217-23. [PMID: 21701033 DOI: 10.2214/ajr.10.4979] [Citation(s) in RCA: 26] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/18/2022]
Abstract
OBJECTIVE Little is known about the long-term effects of exposure to diagnostic ionizing radiation in childhood. Current estimates are made with models derived mainly from studies of atomic bomb survivors, a population that differs from today's patients in many respects. MATERIALS AND METHODS We analyzed the cancer incidence among children who underwent diagnostic x-ray exposures between 1976 and 2003 in a large German university hospital. We reconstructed individual radiation doses for each examination and sorted results by groups of referral criteria for all cancers combined, solid tumors, and leukemia and lymphoma combined. RESULTS A total of 68 incidence cancer cases between 1980 and 2006 were identified in a 78,527-patient cohort in the German childhood cancer registry: 28 leukemia, nine lymphoma, six tumors of the CNS, and 25 other tumors. The standardized incidence ratio for all cancers was 0.97 (95% CI, 0.75-1.23). Dose-response relations were analyzed by multivariable Poisson regression. Although the cancer incidence risk differed by initial referral criterion for radiographic examination, a positive dose-response relation was observed in five patients with endocrine or metabolic disease. CONCLUSION Overall, we observed no increase in cancer risk among children and youths with very low radiation doses from diagnostic radiation, which is compatible with model calculations. The growing use of CT warrants further studies to assess associated cancer risk. Our work is an early contribution of epidemiologic data for quantifying these risks among young patients.
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Moore A, Enquobahrie DA. Paternal occupational exposure to pesticides and risk of neuroblastoma among children: a meta-analysis. Cancer Causes Control 2011; 22:1529-36. [DOI: 10.1007/s10552-011-9829-1] [Citation(s) in RCA: 10] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/24/2011] [Accepted: 08/04/2011] [Indexed: 11/29/2022]
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Hammer GP, Seidenbusch MC, Schneider K, Regulla DF, Zeeb H, Spix C, Blettner M. A cohort study of childhood cancer incidence after postnatal diagnostic X-ray exposure. Radiat Res 2009; 171:504-12. [PMID: 19397451 DOI: 10.1667/rr1575.1] [Citation(s) in RCA: 42] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/03/2022]
Abstract
Ionizing radiation is an established cause of cancer, yet little is known about the health effects of doses from diagnostic examinations in children. The risk of childhood cancer was studied in a cohort of 92.957 children who had been examined with diagnostic X rays in a large German hospital during 1976-2003. Radiation doses were reconstructed using the individual dose area product and other exposure parameters, together with conversion coefficients developed specifically for the medical devices and standards used at the radiology department. Newly diagnosed cancers occurring between 1980 and 2006 were determined through record linkage to the German Childhood Cancer Registry. The median radiation dose was 7 microSv. Eight-seven incident cases were found in the cohort: 33 leukemia, 13 lymphoma, 10 central nervous system tumors, and 31 other tumors. The standardized incidence ratio (SIR) for all cancers was 0.99 (95% CI: 0.79-1.22). No trend in the incidence of total cancer, leukemia or solid tumors with increasing radiation dose was observed in the SIR analysis or in the multivariate Poisson regression. Risk did not differ significantly in girls and boys. Overall, while no increase in cancer risk with diagnostic radiation was observed, the results are compatible with a broad range of risk estimates.
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Affiliation(s)
- Gaël P Hammer
- Institute for Medical Biostatistics, Epidemiology and Informatics (IMBEI), Johannes Gutenberg-University, Mainz, Germany.
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Abstract
Neuroblastoma is the most common tumour in children less than 1 year of age. The goal of this review was to summarise the existing epidemiological research on risk factors for neuroblastoma. A comprehensive search of the literature was undertaken using PubMed for epidemiological studies on neuroblastoma risk factors. We ascertained 47 articles which examined the risk factors. Ten studies employed population-based case-control designs; six were hospital-based case-control studies; two were cohort studies; and five employed ecological designs. Studies ranged in size from 42 to 538 cases. Three studies showed evidence of an increased risk of disease with use of alcohol during pregnancy (OR range 1.1, 12.0). Protective effects were seen with maternal vitamin intake during pregnancy (OR range 0.5, 0.7) in two studies, while risk of disease increased with maternal intake of diuretics (OR range 1.2, 5.8) in three studies. Three studies reported a decrease in risk for children with a history of allergic disease prior to neuroblastoma diagnosis (OR range 0.2, 0.4). The rarity of neuroblastoma makes this disease particularly challenging to study epidemiologically. We review the methodological limitations of prior research and make suggestions for further areas of study.
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Affiliation(s)
- Julia E Heck
- International Agency for Research on Cancer, 150 cours Albert Thomas, Lyon, France
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McLaughlin CC, Baptiste MS, Schymura MJ, Zdeb MS, Nasca PC. Perinatal risk factors for neuroblastoma. Cancer Causes Control 2008; 20:289-301. [PMID: 18941915 DOI: 10.1007/s10552-008-9243-5] [Citation(s) in RCA: 17] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/10/2008] [Accepted: 09/26/2008] [Indexed: 10/21/2022]
Abstract
Neuroblastoma is the most common cancer among infants, suggesting an etiologic role for prenatal factors. In this case-cohort study, neuroblastoma cases (n = 529) diagnosed between 1985 and 2001 were identified from the New York State Cancer Registry and were matched to the electronic birth records for 1983-2001 from New York State and New York City. Controls (n = 12,010) were selected from the same birth cohorts. Analysis was stratified by age at diagnosis, with one to six months (younger infants), seven to 18 months (older infants), and older than 18 months (older children) analyzed separately. Perinatal exposure data was obtained from the birth certificates. No risk factors were identified to be consistently associated with risk across all three age groups. Generally, more risk factors were identified as associated with neuroblastoma among younger infants relative to older ages, including high birth weight, heavier maternal gestational weight gain, maternal hypertension, older maternal age, ultrasound, and respiratory distress. Among older infants, low birth weight was associated with increased risk while heavier maternal gestational weight gain was protective. In the oldest age group, first born status, primary cesarean delivery, prolonged labor and premature rupture of the membranes were associated with increased risk.
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Affiliation(s)
- Colleen C McLaughlin
- New York State Department of Health, New York State Cancer Registry, Empire State Plaza, Albany, NY 12237, USA.
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Westermann F, Muth D, Benner A, Bauer T, Henrich KO, Oberthuer A, Brors B, Beissbarth T, Vandesompele J, Pattyn F, Hero B, König R, Fischer M, Schwab M. Distinct transcriptional MYCN/c-MYC activities are associated with spontaneous regression or malignant progression in neuroblastomas. Genome Biol 2008; 9:R150. [PMID: 18851746 PMCID: PMC2760877 DOI: 10.1186/gb-2008-9-10-r150] [Citation(s) in RCA: 186] [Impact Index Per Article: 11.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/06/2008] [Revised: 09/19/2008] [Accepted: 10/13/2008] [Indexed: 11/10/2022] Open
Abstract
Differences in MYCN/c-MYC target gene expression are associated with distinct neuroblastoma subtypes and clinical outcome. Background Amplified MYCN oncogene resulting in deregulated MYCN transcriptional activity is observed in 20% of neuroblastomas and identifies a highly aggressive subtype. In MYCN single-copy neuroblastomas, elevated MYCN mRNA and protein levels are paradoxically associated with a more favorable clinical phenotype, including disseminated tumors that subsequently regress spontaneously (stage 4s-non-amplified). In this study, we asked whether distinct transcriptional MYCN or c-MYC activities are associated with specific neuroblastoma phenotypes. Results We defined a core set of direct MYCN/c-MYC target genes by applying gene expression profiling and chromatin immunoprecipitation (ChIP, ChIP-chip) in neuroblastoma cells that allow conditional regulation of MYCN and c-MYC. Their transcript levels were analyzed in 251 primary neuroblastomas. Compared to localized-non-amplified neuroblastomas, MYCN/c-MYC target gene expression gradually increases from stage 4s-non-amplified through stage 4-non-amplified to MYCN amplified tumors. This was associated with MYCN activation in stage 4s-non-amplified and predominantly c-MYC activation in stage 4-non-amplified tumors. A defined set of MYCN/c-MYC target genes was induced in stage 4-non-amplified but not in stage 4s-non-amplified neuroblastomas. In line with this, high expression of a subset of MYCN/c-MYC target genes identifies a patient subtype with poor overall survival independent of the established risk markers amplified MYCN, disease stage, and age at diagnosis. Conclusions High MYCN/c-MYC target gene expression is a hallmark of malignant neuroblastoma progression, which is predominantly driven by c-MYC in stage 4-non-amplified tumors. In contrast, moderate MYCN function gain in stage 4s-non-amplified tumors induces only a restricted set of target genes that is still compatible with spontaneous regression.
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Affiliation(s)
- Frank Westermann
- Department of Tumor Genetics, German Cancer Research Center, Im Neuenheimer Feld 280, Heidelberg, Germany.
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Abstract
We report a congenital neuroblastoma with findings at 17 weeks gestation that was managed expectantly; this represents the earliest reported finding of a congenital neuroblastoma we could find in the English literature.
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Steliarova-Foucher E, Kaatsch P, Lacour B, Pompe-Kirn V, Eser S, Miranda A, Danzon A, Ratiu A, Parkin DM. Quality, comparability and methods of analysis of data on childhood cancer in Europe (1978–1997): Report from the Automated Childhood Cancer Information System project. Eur J Cancer 2006; 42:1915-51. [PMID: 16919762 DOI: 10.1016/j.ejca.2006.05.007] [Citation(s) in RCA: 39] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/22/2006] [Accepted: 05/22/2006] [Indexed: 10/24/2022]
Abstract
In collaboration with 62 population-based cancer registries contributing to the Automated Childhood Cancer Information System (ACCIS), we built a database to study incidence and survival of children and adolescents with cancer in Europe. We describe the methods and evaluate the quality and internal comparability of the database, by geographical region, period of registration, type of registry and other characteristics. Data on 88,465 childhood and 15,369 adolescent tumours registered during 1978-1997 were available. Geographical differences in incidence are caused partly by differences in definition of eligible cases. The observed increase in incidence rates cannot be explained by biases due to the selection of datasets for analyses, and only partially by the registration of non-malignant or multiple primary tumours. Part of the observed differences in survival between the regions may be due to variable completeness of follow-up, but most is probably explained by resource availability and organisation of care. Further standardisation of data and collection of additional variables are required so that this study may continue to yield valuable results with reliable interpretation.
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Affiliation(s)
- E Steliarova-Foucher
- Descriptive Epidemiology Group, International Agency for Research on Cancer, 150 Cours Albert Thomas, 69372 Lyon Cedex 08, France.
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Krause A, Combaret V, Iacono I, Lacroix B, Compagnon C, Bergeron C, Valsesia-Wittmann S, Leissner P, Mougin B, Puisieux A. Genome-wide analysis of gene expression in neuroblastomas detected by mass screening. Cancer Lett 2004; 225:111-20. [PMID: 15922863 DOI: 10.1016/j.canlet.2004.10.035] [Citation(s) in RCA: 34] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/15/2004] [Revised: 10/20/2004] [Accepted: 10/24/2004] [Indexed: 11/27/2022]
Abstract
Neuroblastoma (NB) is the most common extracranial solid tumor of childhood and the third most common pediatric cancer. Although numerous factors including patient age, disease stage and genetic abnormalities have been shown to be predictive of outcome, the mechanisms responsible for the highly variable clinical behavior of this tumor remain largely unknown. In order to gain new insights into the biology of this tumor, we performed microarray analysis and compared the gene expression patterns of NB detected by mass screening, characterized by highly probable spontaneous regression, versus stage 4 NB with poor prognosis. The bioinformatics analysis revealed a set of 19 discriminatory genes that may play a significant role in the natural progression of the disease. Validation of these results and further mechanistic studies would shed new light on the biology of tumor progression, and provide new tools to predict clinical outcome in children with NB.
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Affiliation(s)
- Alexander Krause
- Human Genetics Department, bioMérieux SA, 69280 Marcy l'Etoile, France
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Affiliation(s)
- Brian H Kushner
- Department of Pediatrics, Memorial Sloan-Kettering Cancer Center, 1275 York Avenue, New York, New York 10021, USA.
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