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Little MP, Mai JZ, Fang M, Chernyavskiy P, Kennerley V, Cahoon EK, Cockburn MG, Kendall GM, Kimlin MG. Solar ultraviolet radiation exposure, and incidence of childhood acute lymphocytic leukaemia and non-Hodgkin lymphoma in a US population-based dataset. Br J Cancer 2024; 130:1441-1452. [PMID: 38424165 PMCID: PMC11059281 DOI: 10.1038/s41416-024-02629-3] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/04/2023] [Revised: 02/14/2024] [Accepted: 02/15/2024] [Indexed: 03/02/2024] Open
Abstract
BACKGROUND Acute lymphocytic leukaemia (ALL) and non-Hodgkin lymphoma (NHL) are among the commonest types of childhood cancer. Some previous studies suggested that elevated ultraviolet radiation (UVR) exposures increase ALL risk; many more indicate NHL risk is reduced. METHODS We assessed age<20 ALL/NHL incidence in Surveillance, Epidemiology and End Results data using AVGLO-derived UVR irradiance/cumulative radiant exposure measures, using quasi-likelihood models accounting for underdispersion, adjusted for age, sex, racial/ethnic group and other county-level socioeconomic variables. RESULTS There were 30,349 cases of ALL and 8062 of NHL, with significant increasing trends of ALL with UVR irradiance (relative risk (RR) = 1.200/mW/cm2 (95% CI 1.060, 1.359, p = 0.0040)), but significant decreasing trends for NHL (RR = 0.646/mW/cm2 (95% CI 0.512, 0.816, p = 0.0002)). There was a borderline-significant increasing trend of ALL with UVR cumulative radiant exposure (RR = 1.444/MJ/cm2 (95% CI 0.949, 2.197, p = 0.0865)), and significant decreasing trends for NHL (RR = 0.284/MJ/cm2 (95% CI 0.166, 0.485, p < 0.0001)). ALL and NHL trend RR is substantially increased among those aged 0-3. All-age trend RRs are most extreme (increasing for ALL, decreasing for NHL) for Hispanics for both UVR measures. CONCLUSIONS Our more novel finding, of excess UVR-related ALL risk, is consistent with some previous studies, but is not clear-cut, and in need of replication.
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Affiliation(s)
- Mark P Little
- Radiation Epidemiology Branch, Division of Cancer Epidemiology and Genetics, National Cancer Institute, NIH, DHHS, Bethesda, MD, 20892-9778, USA.
- Faculty of Health and Life Sciences, Oxford Brookes University, Headington Campus, Oxford, OX3 0BP, UK.
| | - Jim Z Mai
- Radiation Epidemiology Branch, Division of Cancer Epidemiology and Genetics, National Cancer Institute, NIH, DHHS, Bethesda, MD, 20892-9778, USA
| | - Michelle Fang
- Radiation Epidemiology Branch, Division of Cancer Epidemiology and Genetics, National Cancer Institute, NIH, DHHS, Bethesda, MD, 20892-9778, USA
| | - Pavel Chernyavskiy
- Department of Public Health Sciences, University of Virginia School of Medicine, Charlottesville, VA, 22908-0717, USA
| | - Victoria Kennerley
- Biostatistics Branch, Division of Cancer Epidemiology and Genetics, National Cancer Institute, NIH, DHHS, Bethesda, MD, 20892-9778, USA
| | - Elizabeth K Cahoon
- Radiation Epidemiology Branch, Division of Cancer Epidemiology and Genetics, National Cancer Institute, NIH, DHHS, Bethesda, MD, 20892-9778, USA
| | - Myles G Cockburn
- Department of Preventive Medicine, Keck School of Medicine, University of Southern California, Los Angeles, CA, USA
| | - Gerald M Kendall
- Cancer Epidemiology Unit, University of Oxford, Richard Doll Building, Old Road Campus, Headington, Oxford, OX3 7LF, UK
| | - Michael G Kimlin
- Institute of Evidence Based Medicine, Bond University, Robina, Gold Coast, QLD, 4226, Australia
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Atre T, Farrokhi A, Jo S, Salitra S, Duque-Afonso J, Cleary ML, Rolf N, Reid GSD. Age and ligand specificity influence the outcome of pathogen engagement on preleukemic and leukemic B-cell precursor populations. Blood Adv 2023; 7:7087-7099. [PMID: 37824841 PMCID: PMC10694525 DOI: 10.1182/bloodadvances.2023010782] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/25/2023] [Revised: 10/02/2023] [Accepted: 10/02/2023] [Indexed: 10/14/2023] Open
Abstract
Common infections have long been proposed to play a role in the development of pediatric B-cell acute lymphoblastic leukemia (B-ALL). However, epidemiologic studies report contradictory effects of infection exposure on subsequent B-ALL risk, and no specific pathogen has been definitively linked to the disease. A unifying mechanism to explain the divergent outcomes could inform disease prevention strategies. We previously reported that the pattern recognition receptor (PRR) ligand Poly(I:C) exerted effects on B-ALL cells that were distinct from those observed with other nucleic acid-based PRR ligands. Here, using multiple double-stranded RNA (dsRNA) moieties, we show that the overall outcome of exposure to Poly(I:C) reflects the balance of opposing responses induced by its ligation to endosomal and cytoplasmic receptors. This PRR response biology is shared between mouse and human B-ALL and can increase leukemia-initiating cell burden in vivo during the preleukemia phase of B-ALL, primarily through tumor necrosis factor α signaling. The age of the responding immune system further influences the impact of dsRNA exposure on B-ALL cells in both mouse and human settings. Overall, our study demonstrates that potentially proleukemic and antileukemic effects can each be generated by the stimulation of pathogen recognition pathways and indicates a mechanistic explanation for the contrasting epidemiologic associations reported for infection exposure and B-ALL.
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Affiliation(s)
- Tanmaya Atre
- Michael Cuccione Childhood Cancer Research Program, BC Children’s Hospital Research Institute, Vancouver, Canada
| | - Ali Farrokhi
- Michael Cuccione Childhood Cancer Research Program, BC Children’s Hospital Research Institute, Vancouver, Canada
| | - Sumin Jo
- Michael Cuccione Childhood Cancer Research Program, BC Children’s Hospital Research Institute, Vancouver, Canada
| | - Samuel Salitra
- Michael Cuccione Childhood Cancer Research Program, BC Children’s Hospital Research Institute, Vancouver, Canada
| | - Jesus Duque-Afonso
- Department of Pathology, School of Medicine, Stanford University, Stanford, CA
| | - Michael L. Cleary
- Department of Pathology, School of Medicine, Stanford University, Stanford, CA
| | - Nina Rolf
- Michael Cuccione Childhood Cancer Research Program, BC Children’s Hospital Research Institute, Vancouver, Canada
- Department of Pediatrics, University of British Columbia, Vancouver, Canada
| | - Gregor S. D. Reid
- Michael Cuccione Childhood Cancer Research Program, BC Children’s Hospital Research Institute, Vancouver, Canada
- Department of Pediatrics, University of British Columbia, Vancouver, Canada
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3
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Roman E, Kane E, Smith A, Howell D, Sheridan R, Simpson J, Bonaventure A, Kinsey S. Cohort profile: the United Kingdom Childhood Cancer Study (UKCCS) - a UK-wide population-based study examining the health of cancer survivors. BMJ Open 2023; 13:e073712. [PMID: 37977872 PMCID: PMC10660444 DOI: 10.1136/bmjopen-2023-073712] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/14/2023] [Accepted: 10/25/2023] [Indexed: 11/19/2023] Open
Abstract
PURPOSE The United Kingdom Childhood Cancer Study's (UKCCS's) matched cohort was established to examine the longer term morbidity and mortality of individuals previously diagnosed with cancer before 15 years of age, comparing future healthcare patterns in 5-year cancer survivors to baseline activity seen in age- and sex-matched individuals from the general population. PARTICIPANTS Predicated on a national childhood cancer case-control study conducted in the early 1990s (4430 cases, 9753 controls) in England, Scotland and Wales, the case population comprises 3125 cancer survivors (>5 years), and the control population 7156 age- and sex-matched individuals from the general population who did not have cancer as a child. Participants are now being followed up via linkage to national administrative healthcare databases (deaths, cancers and secondary care hospital activity). FINDINGS TO DATE Enabling the creation of cohorts with minimal selection bias and loss to follow-up, the original case-control study registered all newly diagnosed cases of childhood cancer and their corresponding controls, regardless of their family's participation. Early findings based on the registered case population found marked survival variations with age and sex across subtypes and differences with deprivation among acute lymphoblastic leukaemia (ALL) survivors. More recently, comparing the health-activity patterns of the case and control populations revealed that survivors of childhood ALL experienced excess outpatient and inpatient activity across their teenage/young adult years. Adding to increased risks of cancer and death and involving most clinical specialties, excesses were not related to routine follow-up monitoring and showed no signs of diminishing over time. FUTURE PLANS With annual linkage updates, the UKCCS's maturing population-based matched cohorts provide the foundation for tracking the health of individuals through their lifetime. Comparing the experience of childhood cancer survivors to that of unaffected general-population counterparts, this will include examining subsequent morbidity and mortality, secondary care hospital activity and the impact of deprivation on longer term outcomes.
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Affiliation(s)
- Eve Roman
- Department of Health Sciences, University of York, York, North Yorkshire, UK
| | - Eleanor Kane
- Department of Health Sciences, University of York, York, North Yorkshire, UK
| | - Alexandra Smith
- Department of Health Sciences, University of York, York, North Yorkshire, UK
| | - Debra Howell
- Department of Health Sciences, University of York, York, North Yorkshire, UK
| | - Rebecca Sheridan
- Department of Health Sciences, University of York, York, North Yorkshire, UK
| | - Jill Simpson
- Department of Health Sciences, University of York, York, North Yorkshire, UK
| | - Audrey Bonaventure
- INSERM, Université Paris Cité and Université Sorbonne Paris Nord, Paris, Île-de-France, France
| | - Sally Kinsey
- Paediatric Haematology, Leeds Children's Hospital, Leeds, West Yorkshire, UK
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Feng Q, Zhou M, Li S, Morimoto L, Hansen H, Myint SS, Wang R, Metayer C, Kang A, Fear AL, Pappas D, Erlich H, Hollenbach JA, Mancuso N, Trachtenberg E, de Smith AJ, Ma X, Wiemels JL. Interaction between maternal killer immunoglobulin-like receptors and offspring HLAs and susceptibility of childhood ALL. Blood Adv 2022; 6:3756-3766. [PMID: 35500222 PMCID: PMC9631572 DOI: 10.1182/bloodadvances.2021006821] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/15/2021] [Accepted: 04/08/2022] [Indexed: 11/20/2022] Open
Abstract
Acute lymphoblastic leukemia (ALL) in children is associated with a distinct neonatal cytokine profile. The basis of this neonatal immune phenotype is unknown but potentially related to maternal-fetal immune receptor interactions. We conducted a case-control study of 226 case child-mother pairs and 404 control child-mother pairs to evaluate the role of interaction between HLA genotypes in the offspring and maternal killer immunoglobulin-like receptor (KIR) genotypes in the etiology of childhood ALL, while considering potential mediation by neonatal cytokines and the immune-modulating enzyme arginase-II (ARG-II). We observed different associations between offspring HLA-maternal KIR activating profiles and the risk of ALL in different predicted genetic ancestry groups. For instance, in Latino subjects who experience the highest risk of childhood leukemia, activating profiles were significantly associated with a lower risk of childhood ALL (odds ratio [OR] = 0.59; 95% confidence interval [CI], 0.49-0.71) and a higher level of ARG-II at birth (coefficient = 0.13; 95% CI, 0.04-0.22). HLA-KIR activating profiles were also associated with a lower risk of ALL in non-Latino Asians (OR = 0.63; 95% CI, 0.38-1.01), although they had a lower tumor necrosis factor-α level (coefficient = -0.27; 95% CI, -0.49 to -0.06). Among non-Latino White subjects, no significant association was observed between offspring HLA-maternal KIR interaction and ALL risk or cytokine levels. The current study reports the association between offspring HLA-maternal KIR interaction and the development of childhood ALL with variation by predicted genetic ancestry. We also observed some associations between activating profiles and immune factors related to cytokine control; however, cytokines did not demonstrate causal mediation of the activating profiles on ALL risk.
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Affiliation(s)
- Qianxi Feng
- Center for Genetic Epidemiology, Department of Population and Public Health Sciences, University of Southern California, Los Angeles, CA
| | - Mi Zhou
- Department of Laboratory Medicine, University of California, San Francisco, CA
| | - Shaobo Li
- Center for Genetic Epidemiology, Department of Population and Public Health Sciences, University of Southern California, Los Angeles, CA
| | - Libby Morimoto
- School of Public Health, University of California, Berkeley, CA
| | - Helen Hansen
- Department of Neurosurgery, University of California, San Francisco, CA
| | - Swe Swe Myint
- Center for Genetic Epidemiology, Department of Population and Public Health Sciences, University of Southern California, Los Angeles, CA
| | - Rong Wang
- Department of Chronic Disease Epidemiology, Yale School of Public Health, Yale University, New Haven, CT
| | | | - Alice Kang
- School of Public Health, University of California, Berkeley, CA
| | - Anna Lisa Fear
- Children’s Hospital Oakland Research Institute, Oakland, CA; and
| | - Derek Pappas
- Children’s Hospital Oakland Research Institute, Oakland, CA; and
| | - Henry Erlich
- Children’s Hospital Oakland Research Institute, Oakland, CA; and
| | - Jill A. Hollenbach
- Department of Neurology and Department of Epidemiology and Biostatistics, University of California, San Francisco, CA
| | - Nicholas Mancuso
- Center for Genetic Epidemiology, Department of Population and Public Health Sciences, University of Southern California, Los Angeles, CA
| | | | - Adam J. de Smith
- Center for Genetic Epidemiology, Department of Population and Public Health Sciences, University of Southern California, Los Angeles, CA
| | - Xiaomei Ma
- Department of Chronic Disease Epidemiology, Yale School of Public Health, Yale University, New Haven, CT
| | - Joseph L. Wiemels
- Center for Genetic Epidemiology, Department of Population and Public Health Sciences, University of Southern California, Los Angeles, CA
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Gong QQ, Quan DD, Guo C, Zhang C, Zhang ZJ. Association between maternal breastfeeding and risk of systemic neoplasms of offspring. Ital J Pediatr 2022; 48:98. [PMID: 35710389 PMCID: PMC9205047 DOI: 10.1186/s13052-022-01292-9] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/11/2021] [Accepted: 06/05/2022] [Indexed: 12/24/2022] Open
Abstract
Background Breastfeeding might prevent childhood cancer by stimulating the immune system. Methods The following databases, including PubMed, Embase, and Cochrane Library, were searched from inception to January 10, 2021. Results In dose-dependent manner, there was a statistically significant inverse association between any breastfeeding and the incidence of childhood cancer. There was no evidence that breastfeeding was inversely related to childhood cancer of the skeletal, reproductive, or sensory systems. However, breastfeeding was inversely associated with the incidence of hematological malignancies and cancers of the nervous and urinary systems. Among hematological malignancies, the relationship was significant for acute lymphocytic leukemia (ALL) and acute myeloid leukemia (AML), but not for acute non-lymphocytic leukemia (ANLL), Hodgkin’s lymphoma (HL), or non-HL. Conclusions The evidences demonstrated that breastfeeding have a potential protective role in preventing selective childhood cancer growth, especially for ALL, AML, cancer of nervous and urinary systems. This study recommended that breastfeeding be extended for as long as possible or maintained for at least 6 months to prevent selective childhood cancer growth. Supplementary Information The online version contains supplementary material available at 10.1186/s13052-022-01292-9.
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Affiliation(s)
- Qin-Qin Gong
- Center of Women's Health Sciences, Taihe Hospital, Hubei University of Medicine, Shiyan, 442000, China
| | - Dan-Dan Quan
- Department of Obstetrics and Gynecology, The People's Hospital of China Three Gorges University, The First Hospital of Yichang, Yichang, 443000, China
| | - Chong Guo
- Department of Gynaecology and Obstetrics, Taihe Hospital, Hubei University of Medicine, Shiyan, 442000, China
| | - Chao Zhang
- Center for Evidence-Based Medicine and Clinical Research, Taihe Hospital, Hubei University of Medicine, No.32, South Renmin Road, Shiyan, 442000, China.
| | - Zhi-Jun Zhang
- Center for Reproductive Medicine, Taihe Hospital, Hubei University of Medicine, No.32, South Renmin Road, Shiyan, 442000, China.
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6
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Elevated blood MxA protein levels in children with newly diagnosed B-ALL: A prospective case-control study. JOURNAL OF SURGERY AND MEDICINE 2022. [DOI: 10.28982/josam.1033655] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/14/2022] Open
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7
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Decreased IL-10 accelerates B-cell leukemia/lymphoma in a mouse model of pediatric lymphoid leukemia. Blood Adv 2021; 6:854-865. [PMID: 34727170 PMCID: PMC8945291 DOI: 10.1182/bloodadvances.2021005522] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/14/2021] [Accepted: 10/04/2021] [Indexed: 11/25/2022] Open
Abstract
B-cell deficiency and DNA damage in the bone marrow of Il10−/− mice are associated with inflammation and mitigated by antibiotics. In ETV6-RUNX1+Cdkn2a−/− mice, low IL-10 accelerates the development of B-cell leukemia/lymphoma in a dose-dependent manner.
Exposures to a wide repertoire of common childhood infections and strong inflammatory responses to those infections are associated with the risk of pediatric B-cell acute lymphoblastic leukemia (B-ALL) in opposing directions. Neonatal inflammatory markers are also related to risk by unknown mechanism(s). Here, we demonstrate that interleukin-10 (IL-10) deficiency, which is associated with childhood B-ALL, indirectly impairs B lymphopoiesis and increases B-cell DNA damage in association with a module of 6 proinflammatory/myeloid-associated cytokines (IL-1α, IL-6, IL-12p40, IL-13, macrophage inflammatory protein-1β/CCL4, and granulocyte colony-stimulating factor). Importantly, antibiotics attenuated inflammation and B-cell defects in preleukemic Cdkn2a−/−Il10−/− mice. In an ETV6-RUNX1+ (E6R1+) Cdkn2a−/− mouse model of B-ALL, decreased levels of IL-10 accelerated B-cell neoplasms in a dose-dependent manner and altered the mutational profile of these neoplasms. Our results illuminate a mechanism through which a low level of IL-10 can create a risk for leukemic transformation and support developing evidence that microbial dysbiosis contributes to pediatric B-ALL.
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Cobaleda C, Vicente-Dueñas C, Sanchez-Garcia I. Infectious triggers and novel therapeutic opportunities in childhood B cell leukaemia. Nat Rev Immunol 2021; 21:570-581. [PMID: 33558682 DOI: 10.1038/s41577-021-00505-2] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 01/08/2021] [Indexed: 01/30/2023]
Abstract
B cell acute lymphoblastic leukaemia (B-ALL) is the most common form of childhood cancer. Although treatment has advanced remarkably in the past 50 years, it still fails in ~20% of patients. Recent studies revealed that more than 5% of healthy newborns carry preleukaemic clones that originate in utero, but only a small percentage of these carriers will progress to overt B-ALL. The drivers of progression are unclear, but B-ALL incidence seems to be increasing in parallel with the adoption of modern lifestyles. Emerging evidence shows that a major driver for the conversion from the preleukaemic state to the B-ALL state is exposure to immune stressors, such as infection. Here, we discuss our current understanding of the environmental triggers and genetic predispositions that may lead to B-ALL, highlighting lessons from epidemiology, the clinic and animal models, and identifying priority areas for future research.
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Affiliation(s)
- Cesar Cobaleda
- Immune System Development and Function Unit, Centro de Biología Molecular Severo Ochoa, CSIC and Universidad Autónoma de Madrid, Madrid, Spain.
| | | | - Isidro Sanchez-Garcia
- Institute for Biomedical Research of Salamanca (IBSAL), Salamanca, Spain. .,Experimental Therapeutics and Translational Oncology Program, Instituto de Biología Molecular y Celular del Cáncer, CSIC and Universidad de Salamanca, Salamanca, Spain.
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9
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Infections and the development of childhood acute lymphoblastic leukemia: a population-based study. Eur J Cancer Prev 2021; 29:538-545. [PMID: 32032155 DOI: 10.1097/cej.0000000000000564] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
Abstract
An infectious trigger for childhood acute lymphoblastic leukemia is hypothesized and we assessed the association between the rate, type, and critical exposure period for infections and the development of acute lymphoblastic leukemia. We conducted a matched case-control study using administrative databases to evaluate the association between the rate of infections and childhood acute lymphoblastic leukemia diagnosed between the ages of 2-14 years from Ontario, Canada and we used a validated approach to measure infections. In 1600 cases of acute lymphoblastic leukemia, and 16 000 matched cancer-free controls aged 2-14 years, having >2 infections/year increased the odds of childhood acute lymphoblastic leukemia by 43% (odds ratio = 1.43, 95% confidence interval 1.13-1.81) compared to children with ≤0.25 infections/year. Having >2 respiratory infections/year increased odds of acute lymphoblastic leukemia by 28% (odds ratio =1.28, 95% confidence interval 1.05-1.57) compared to children with ≤0.25 respiratory infections/year. Having an invasive infection increased the odds of acute lymphoblastic leukemia by 72% (odds ratio =1.72, 95% confidence interval 1.31-2.26). Having an infection between the age of 1-1.5 years increased the odds of acute lymphoblastic leukemia by 20% (odds ratio = 1.20, 95% confidence interval 1.04-1.39). Having more infections increased the odds of developing childhood acute lymphoblastic leukemia and having an infection between the ages of 1-1.5 years increased the odds of childhood acute lymphoblastic leukemia.
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10
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Broccia G, Carter J, Ozsin-Ozler C, Meloni F, Pilia I, Satta G, Murgia G, Campagna M, Cocco P. Haemolymphatic cancer among children in Sardinia, Italy: 1974-2003 incidence. BMJ Open 2020; 10:e037163. [PMID: 33148724 PMCID: PMC7640504 DOI: 10.1136/bmjopen-2020-037163] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/23/2022] Open
Abstract
OBJECTIVES To explore the time trend and geographical distribution of childhood leukaemia incidence over the territory of the Italian region of Sardinia. SETTING All hospitals departments, diagnostic centres and social security agencies in Sardinia were regularly screened in 1974-2003 to identify, register and review the diagnoses of incident cases of haematological malignancies (HM). PARTICIPANTS The whole child population aged 0-14 resident in Sardinia. PRIMARY AND SECONDARY OUTCOME MEASURES Incidence and time trend of childhood HM and childhood acute lymphoblastic leukaemia (ALL) over the study period, and use of Bayesian methods to plot the probability of areas with excess incidence on the regional map. RESULTS Overall, 675 HM cases, including 378 ALL cases, occurred among children aged 0-14 years resident in Sardinia in 1974-2003, with an incidence rate of 6.97×10-5 (95% CI 6.47 to 7.51) and 3.85×10-5 (95% CI 3.48 to 4.26), respectively. Incidence of HM and ALL showed an upward trend along the study period especially among females. Three communes out of the 356 existing in 1974, namely Ittiri, Villa San Pietro and Carbonia, stand out as areas with excess incidence of HM and ALL in particular and another, Carloforte, for ALL only. CONCLUSIONS Our results might serve as convincing arguments for extending the coverage of routine cancer registration over the whole Sardinian population, while prompting further research on the genetic and environmental determinants in the areas at risk.
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Affiliation(s)
- Giorgio Broccia
- Department of Haematology and Bone Marrow Transplants, Oncologico A. Businco Hospital, Cagliari, Italy
| | - Jonathan Carter
- School of Energy, Construction, Coventry University, Coventry, UK
| | - Cansu Ozsin-Ozler
- Faculty of Dentistry, Department of Paediatric Dentistry, Hacettepe University, Ankara, Turkey
| | - Federico Meloni
- Department of Medical Sciences and Public Health, University of Cagliari, Cagliari, Italy
| | - Ilaria Pilia
- Department of Medical Sciences and Public Health, University of Cagliari, Cagliari, Italy
| | - Giannina Satta
- Department of Medical Sciences and Public Health, University of Cagliari, Cagliari, Italy
| | - Giulio Murgia
- Department of Paediatric Oncohaematology, Microcitemico Hospital, Cagliari, Sardegna, Italy
| | - Marcello Campagna
- Department of Medical Sciences and Public Health, University of Cagliari, Cagliari, Italy
| | - Pierluigi Cocco
- Department of Medical Sciences and Public Health, University of Cagliari, Cagliari, Italy
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Morimoto LM, Kwan ML, Deosaransingh K, Munneke JR, Kang AY, Quesenberry C, Kogan S, de Smith AJ, Metayer C, Wiemels JL. History of Early Childhood Infections and Acute Lymphoblastic Leukemia Risk Among Children in a US Integrated Health-Care System. Am J Epidemiol 2020; 189:1076-1085. [PMID: 32322901 DOI: 10.1093/aje/kwaa062] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/12/2019] [Revised: 12/20/2019] [Accepted: 04/14/2020] [Indexed: 01/03/2023] Open
Abstract
Surrogate measures of infectious exposures have been consistently associated with lower childhood acute lymphoblastic leukemia (ALL) risk. However, recent reports have suggested that physician-diagnosed early-life infections increase ALL risk, thereby raising the possibility that stronger responses to infections might promote risk. We examined whether medically diagnosed infections were related to childhood ALL risk in an integrated health-care system in the United States. Cases of ALL (n = 435) diagnosed between 1994-2014 among children aged 0-14 years, along with matched controls (n = 2,170), were identified at Kaiser Permanente Northern California. Conditional logistic regression was used to estimate risk of ALL associated with history of infections during first year of life and across the lifetime (up to diagnosis). History of infection during first year of life was not associated with ALL risk (odds ratio (OR) = 0.85, 95% confidence interval (CI): 0.60, 1.21). However, infections with at least 1 medication prescribed (i.e., more "severe" infections) were inversely associated with risk (OR = 0.42, 95% CI: 0.20, 0.88). Similar associations were observed when the exposure window was expanded to include medication-prescribed infections throughout the subjects' lifetime (OR = 0.52, 95% CI: 0.32, 0.85).
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12
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Yang TO, Huang KYA, Chen MH, Chen PC, Huang WT. Time-dependent associations between presentation-based infections and subsequent risk of childhood immune cell malignancies. Cancer Epidemiol 2020; 67:101767. [PMID: 32679480 DOI: 10.1016/j.canep.2020.101767] [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] [Received: 04/07/2020] [Revised: 05/29/2020] [Accepted: 06/13/2020] [Indexed: 11/18/2022]
Abstract
BACKGROUND Infection is hypothesised as a contributory cause of childhood immune cell malignancies. Although some have reported associations between individual infections and immune cell malignancies, some could be spurious due to infections caused by malignancies that were already active prior to diagnosis. METHODS Identified from Taiwan Cancer Registry, ∼3000 children with four commonest immune cell malignancies diagnosed during 2001-2015 at age 1-20 years were identified and matched with 1:10 controls. Using logistic regression, we estimated the time-specific case-versus-control odds ratios of seven common infection presentations in their health records. We also compared recorded unexplained lymph nodes between cases and controls to explore for how long malignancy may be active prior to diagnosis. RESULTS Unexplained lymph nodes were increasingly recorded months before the diagnosis of childhood leukaemias and years before the diagnosis of childhood lymphomas. When using p < 0.01 as a guide, large case-control differences in infection records were found mostly within 0-2 months prior to the diagnosis (15 out of 28 comparisons). Changes in odds ratios within 3-35 months (2 out of 28 comparisons) and case-control differences beyond 36+ months prior to diagnosis (7 out of 28 comparisons) was relatively small (∼10 % difference in leukaemias). Statistical power varied according to incidence of malignancy, incidence of infection records, and the age distribution. CONCLUSION Immune cell malignancies were likely to be active some time before the diagnosis. Previous studies using conventional population-based methods may not be able to distinguish any small causal link between infection and immune cell malignancies from spurious associations.
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Affiliation(s)
- TienYu Owen Yang
- Nuffield Department of Population Health, University of Oxford, Richard Doll Building, Old Road Campus, Oxford OX3 7LF, UK.
| | - Kuan-Ying Arthur Huang
- Division of Pediatric Infectious Diseases, Department of Pediatrics, Chang Gung Memorial Hospital and School of Medicine, Chang Gung University, Guishan District, Taoyuan City, 333, Taiwan
| | - Mei-Huei Chen
- Institute of Population Health Sciences, Taiwan National Health Research Institutes, No. 35, Keyan Road, Zhunan Township, Miaoli County, 350, Taiwan; Department of Pediatrics, National Taiwan University College of Medicine and Hospital, No. 1, Section 1, Ren'ai Road, Zhongzheng District, Taipei City, 100, Taiwan
| | - Pau-Chung Chen
- Institute of Environmental and Occupational Health Sciences, National Taiwan University College of Public Health, National Taiwan University College of Public Health, No. 17, Xuzhou Road, Zhongzheng District, Taipei City, 100, Taiwan; Department of Public Health, National Taiwan University College of Public Health, No. 17, Xuzhou Road, Zhongzheng District, Taipei City, 100, Taiwan; Department of Environmental and Occupational Medicine, National Taiwan University Hospital and National Taiwan University College of Medicine, No. 1, Section 1, Ren'ai Road, Zhongzheng District, Taipei City, 100, Taiwan
| | - Wan-Ting Huang
- Taiwan Centers for Disease Control, No. 6, Linsen South Road, Zhongzheng District, Taipei City, 100, Taiwan
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13
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Yang X, Wu X, Fang N, Liu X, Liu X, Yang L, Huang K, Luo A, Cai M, Wu F, Jiang H, Xu L. FOXO3 gene polymorphisms influence the risk of acute lymphoblastic leukemia in Chinese children. J Cell Biochem 2019; 121:2019-2026. [PMID: 31691337 DOI: 10.1002/jcb.29436] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/06/2019] [Accepted: 10/10/2019] [Indexed: 12/22/2022]
Abstract
Acute lymphoblastic leukemia (ALL) is the most frequently diagnosed cancer in children and single-nucleotide polymorphisms (SNPs) in certain genes influence risk of ALL. Although FOXO3 had been demonstrated to be involved leukemia, the role of FOXO3 polymorphisms was still not clear. In the present study, we explored the association of FOXO3 SNPs with ALL risk in Chinese children. We genotyped four polymorphisms (rs17069665 A>G, rs4945816 T>C, rs4946936 C>T, and rs9400241 A>C) of FOXO3 in 425 ALL cases and 1339 health controls. The associations were estimated by odds ratios (ORs) with their 95% confidence intervals (CIs). Further analyses were performed to explore associations of rs17069665 and rs9400241 with ALL susceptibility in terms of age, gender, immunophenotype, minimal residual disease (MRD), and other clinical characteristics. We found rs17069665 related to the increased ALL risk (OR = 1.76; 95% CI = 1.02-3.04), rs9400241 related to decreased ALL risk (OR = 0.80; 95% CI = 0.64-0.99). The effects of rs17069665 on ALL risk were more predominant in males and children < 10 years, and patients with lower rates of platelet or neutrophil. As for rs9400241, the effects were more predominant in children < 10 years, and in patients with pre B ALL, positive MRD, anemia, or hepatomegaly. In conclusion, FOXO3 gene polymorphisms influence the risk of ALL in children and might be a potential biomarker for ALL susceptibility.
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Affiliation(s)
- Xu Yang
- Department of Hematology, Guangzhou Women and Children's Medical Center, Guangzhou Medical University, Guangzhou, Guangdong, China
| | - Xuedong Wu
- Department of Pediatrics, Nanfang Hospital, Guangzhou, Guangdong, China
| | - Na Fang
- Guangdong Provincial Bioengineering Institute (Guangzhou Sugarcane Industry Research Institute), Guangzhou, Guangdong, China
| | - Xiaoping Liu
- Department of Hematology, Guangzhou Women and Children's Medical Center, Guangzhou Medical University, Guangzhou, Guangdong, China
| | - Xiaodan Liu
- Division of Birth Cohort Study, Guangzhou Women and Children's Medical Center, Guangzhou Medical University, Guangzhou, Guangdong, China
| | - Lihua Yang
- Pediatric Center of Zhujiang Hospital, Southern Medical University, Guangzhou, Guangdong, China
| | - Ke Huang
- Department of Pediatrics, The Second Affiliated Hospital of Sun Yat-Sen University (Sun Yat-sen Memorial Hospital), Guangzhou, Guangdong, China
| | - Ailing Luo
- Department of Hematology, Guangzhou Women and Children's Medical Center, Guangzhou Medical University, Guangzhou, Guangdong, China
| | - Mansi Cai
- Department of Hematology, Guangzhou Women and Children's Medical Center, Guangzhou Medical University, Guangzhou, Guangdong, China
| | - Fan Wu
- Department of Hematology, Guangzhou Women and Children's Medical Center, Guangzhou Medical University, Guangzhou, Guangdong, China
| | - Hua Jiang
- Department of Hematology, Guangzhou Women and Children's Medical Center, Guangzhou Medical University, Guangzhou, Guangdong, China
| | - Ling Xu
- Department of Hematology, Guangzhou Women and Children's Medical Center, Guangzhou Medical University, Guangzhou, Guangdong, China
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14
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Nielsen AB, Zhou M, de Smith AJ, Wang R, McCoy L, Hansen H, Morimoto L, Grønbæk K, Johansen C, Kogan SC, Metayer C, Bracci PM, Ma X, Wiemels JL. Increased neonatal level of arginase 2 in cases of childhood acute lymphoblastic leukemia implicates immunosuppression in the etiology. Haematologica 2019; 104:e514-e516. [PMID: 30923090 PMCID: PMC6821599 DOI: 10.3324/haematol.2019.216465] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/07/2023] Open
Affiliation(s)
- Amalie B Nielsen
- Department of Epidemiology and Biostatistics, University of California San Francisco, CA, USA
- Department of Hematology, Rigshospitalet, Biotech Research and Innovation Centre, BRIC, Faculty of Health and Medical Sciences, University of Copenhagen, Copenhagen, Denmark
| | - Mi Zhou
- Department of Epidemiology and Biostatistics, University of California San Francisco, CA, USA
| | - Adam J de Smith
- Department of Epidemiology and Biostatistics, University of California San Francisco, CA, USA
- Center for Genetic Epidemiology, Keck School of Medicine, University of Southern California, CA, USA
| | - Rong Wang
- Department of Chronic Disease Epidemiology, School of Public Health, Yale University, CT, USA
| | - Lucie McCoy
- Department of Neurosurgery, University of California San Francisco, CA, USA
- Division of Epidemiology, School of Public Health, University of California Berkeley, CA, USA
| | - Helen Hansen
- Department of Neurosurgery, University of California San Francisco, CA, USA
| | - Libby Morimoto
- Division of Epidemiology, School of Public Health, University of California Berkeley, CA, USA
| | - Kirsten Grønbæk
- Department of Hematology, Rigshospitalet, Biotech Research and Innovation Centre, BRIC, Faculty of Health and Medical Sciences, University of Copenhagen, Copenhagen, Denmark
| | - Christoffer Johansen
- Department of Hematology, Rigshospitalet, Biotech Research and Innovation Centre, BRIC, Faculty of Health and Medical Sciences, University of Copenhagen, Copenhagen, Denmark
| | - Scott C Kogan
- Department of Laboratory Medicine, University of California San Francisco, CA, USA
| | - Catherine Metayer
- Division of Epidemiology, School of Public Health, University of California Berkeley, CA, USA
| | - Paige M Bracci
- Department of Epidemiology and Biostatistics, University of California San Francisco, CA, USA
| | - Xiaomei Ma
- Department of Chronic Disease Epidemiology, School of Public Health, Yale University, CT, USA
| | - Joseph L Wiemels
- Department of Epidemiology and Biostatistics, University of California San Francisco, CA, USA
- Center for Genetic Epidemiology, Keck School of Medicine, University of Southern California, CA, USA
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15
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Søegaard SH, Rostgaard K, Skogstrand K, Wiemels JL, Schmiegelow K, Hjalgrim H. Neonatal Inflammatory Markers Are Associated with Childhood B-cell Precursor Acute Lymphoblastic Leukemia. Cancer Res 2019; 78:5458-5463. [PMID: 30217873 DOI: 10.1158/0008-5472.can-18-0831] [Citation(s) in RCA: 36] [Impact Index Per Article: 7.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/21/2018] [Revised: 05/24/2018] [Accepted: 07/05/2018] [Indexed: 12/25/2022]
Abstract
It has been proposed that children with acute lymphoblastic leukemia (ALL) are born with a dysregulated immune function that together with postnatal environmental exposures causes childhood ALL. Despite its importance for the understanding of ALL etiology, this hypothesis has been inadequately explored. In a population-based case-control study, we measured the concentrations of 10 cytokines and other inflammatory markers on neonatal dried blood spots from 178 children who at ages 1 to 9 years were diagnosed with B-cell precursor ALL and 178 matched controls. Through linkage with Danish nationwide registers, we also assessed whether neonatal inflammatory markers were associated with previously demonstrated risk factors for childhood ALL. Children who developed B-cell precursor ALL had significantly lower neonatal concentrations of IL8, soluble IL6 receptor (sIL6R) α, TGFβ1, monocyte chemotactic protein (MCP)-1, and C-reactive protein (CRP) and higher concentrations of IL6, IL17, and IL18 compared with matched controls. Concentrations of IL10 were below the detection level for both patients and controls. Birth order (IL18 and CRP), gestational age (sIL6Rα, TGFβ1, and CRP), and sex (sIL6Rα, IL8, and CRP), but not maternal age, infections during pregnancy, birth weight nor mode of delivery were significantly associated with the neonatal concentrations of inflammatory markers. Our findings support the hypothesis that children who later develop B-cell precursor ALL are born with a dysregulated immune function.Significance: Children who develop acute lymphoblastic leukemia are immunologically distinct at birth and could potentially react abnormally to infections in early childhood. Cancer Res; 78(18); 5458-63. ©2018 AACR.
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Affiliation(s)
- Signe Holst Søegaard
- Department of Epidemiology Research, Statens Serum Institut, Copenhagen, Denmark.
| | - Klaus Rostgaard
- Department of Epidemiology Research, Statens Serum Institut, Copenhagen, Denmark
| | - Kristin Skogstrand
- Danish Centre for Neonatal Screening, Department for Congenital Disorders, Statens Serum Institut, Copenhagen, Denmark
| | - Joseph Leo Wiemels
- Department of Preventative Medicine, University of Southern California, Los Angeles
| | - Kjeld Schmiegelow
- Department of Pediatrics and Adolescent Medicine, University Hospital Rigshospitalet, Copenhagen, Denmark.,Institute of Clinical Medicine, Faculty of Medicine, University of Copenhagen, Copenhagen, Denmark
| | - Henrik Hjalgrim
- Department of Epidemiology Research, Statens Serum Institut, Copenhagen, Denmark.,Department of Hematology, University Hospital Rigshospitalet, Copenhagen, Denmark
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16
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Wiemels JL, Talbäck M, Francis S, Feychting M. Early Infection with Cytomegalovirus and Risk of Childhood Hematologic Malignancies. Cancer Epidemiol Biomarkers Prev 2019; 28:1024-1027. [PMID: 30996022 DOI: 10.1158/1055-9965.epi-19-0044] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/10/2019] [Revised: 02/05/2019] [Accepted: 03/12/2019] [Indexed: 11/16/2022] Open
Abstract
BACKGROUND Congenital cytomegalovirus (CMV) infection was recently identified as a risk factor for childhood acute lymphocytic leukemia by detecting the presence of CMV sequences in neonatal blood spots. In this study, we asked whether clinically apparent CMV infection could be identified prior to hematologic malignancy, using high-quality Swedish population-based registries. METHODS CMV infection was identified with appropriate ICD-9 or ICD-10 codes in the Patient and Medical Birth Registries, and childhood malignancies below the age of 15 years were identified in the Cancer Registry, among 2,782,507 children born in Sweden 1987 to 2014. RESULTS Observing all CMV infections registered earlier than 6 months prior to malignancy diagnosis, an increased HR of CMV-related infections, adjusting for congenital malformations, deformations, and chromosome abnormalities, was detected for hematologic malignancies [HR, 11.2; 95% confidence interval (CI), 5.8-21.5], but not for central nervous system tumors. CONCLUSIONS Higher CMV incidence was detected for children ostensibly exposed through maternal CMV infection during pregnancy with the index child. IMPACT The data are compatible with a congenital infection of CMV leading to increased risk of childhood hematologic malignancies, but not tumors of the central nervous system, although a cautious interpretation is warranted because of the small numbers.
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Affiliation(s)
- Joseph L Wiemels
- Center for Genetic Epidemiology, Department of Preventive Medicine, University of Southern California Keck School of Medicine, Los Angeles, California.
| | - Mats Talbäck
- Unit of Epidemiology, Institute of Environmental Medicine, Karolinska Institutet, Stockholm, Sweden
| | - Stephen Francis
- Department of Epidemiology, School of Community Health Sciences, University of Nevada Reno, Reno, Nevada
| | - Maria Feychting
- Unit of Epidemiology, Institute of Environmental Medicine, Karolinska Institutet, Stockholm, Sweden
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17
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Vijayakrishnan J, Studd J, Broderick P, Kinnersley B, Holroyd A, Law PJ, Kumar R, Allan JM, Harrison CJ, Moorman AV, Vora A, Roman E, Rachakonda S, Kinsey SE, Sheridan E, Thompson PD, Irving JA, Koehler R, Hoffmann P, Nöthen MM, Heilmann-Heimbach S, Jöckel KH, Easton DF, Pharaoh PDP, Dunning AM, Peto J, Canzian F, Swerdlow A, Eeles RA, Kote-Jarai ZS, Muir K, Pashayan N, Greaves M, Zimmerman M, Bartram CR, Schrappe M, Stanulla M, Hemminki K, Houlston RS. Genome-wide association study identifies susceptibility loci for B-cell childhood acute lymphoblastic leukemia. Nat Commun 2018; 9:1340. [PMID: 29632299 PMCID: PMC5890276 DOI: 10.1038/s41467-018-03178-z] [Citation(s) in RCA: 54] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/20/2017] [Accepted: 01/25/2018] [Indexed: 01/19/2023] Open
Abstract
Genome-wide association studies (GWAS) have advanced our understanding of susceptibility to B-cell precursor acute lymphoblastic leukemia (BCP-ALL); however, much of the heritable risk remains unidentified. Here, we perform a GWAS and conduct a meta-analysis with two existing GWAS, totaling 2442 cases and 14,609 controls. We identify risk loci for BCP-ALL at 8q24.21 (rs28665337, P = 3.86 × 10-9, odds ratio (OR) = 1.34) and for ETV6-RUNX1 fusion-positive BCP-ALL at 2q22.3 (rs17481869, P = 3.20 × 10-8, OR = 2.14). Our findings provide further insights into genetic susceptibility to ALL and its biology.
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Affiliation(s)
- Jayaram Vijayakrishnan
- Division of Genetics and Epidemiology, The Institute of Cancer Research, Sutton, Surrey, SM2 5NG, UK
| | - James Studd
- Division of Genetics and Epidemiology, The Institute of Cancer Research, Sutton, Surrey, SM2 5NG, UK
| | - Peter Broderick
- Division of Genetics and Epidemiology, The Institute of Cancer Research, Sutton, Surrey, SM2 5NG, UK
| | - Ben Kinnersley
- Division of Genetics and Epidemiology, The Institute of Cancer Research, Sutton, Surrey, SM2 5NG, UK
| | - Amy Holroyd
- Division of Genetics and Epidemiology, The Institute of Cancer Research, Sutton, Surrey, SM2 5NG, UK
| | - Philip J Law
- Division of Genetics and Epidemiology, The Institute of Cancer Research, Sutton, Surrey, SM2 5NG, UK
| | - Rajiv Kumar
- Division of Molecular Genetic Epidemiology, German Cancer Research Centre, 69120, Heidelberg, Germany
| | - James M Allan
- Northern Institute for Cancer Research, Newcastle University, Newcastle upon Tyne, NE2 4HH, UK
| | - Christine J Harrison
- Wolfson Childhood Cancer Research Centre, Northern Institute for Cancer Research, Newcastle University, Newcastle upon Tyne, NE1 7RU, UK
| | - Anthony V Moorman
- Wolfson Childhood Cancer Research Centre, Northern Institute for Cancer Research, Newcastle University, Newcastle upon Tyne, NE1 7RU, UK
| | - Ajay Vora
- Department of Haematology, Great Ormond Street Hospital, London, WC1N 3JH, UK
| | - Eve Roman
- Department of Health Sciences, University of York, York, YO10 5DD, UK
| | | | - Sally E Kinsey
- Department of Paediatric and Adolescent Haematology and Oncology, Leeds General Infirmary, Leeds, LS1 3EX, UK
| | - Eamonn Sheridan
- Medical Genetics Research Group, Leeds Institute of Molecular Medicine, University of Leeds, Leeds, LS9 7TF, UK
| | - Pamela D Thompson
- Paediatric and Familial Cancer Research Group, Institute of Cancer Sciences, St. Mary's Hospital, Manchester, M13 9WL, UK
| | - Julie A Irving
- Northern Institute for Cancer Research, Newcastle University, Newcastle upon Tyne, NE2 4HH, UK
| | - Rolf Koehler
- Department of Human Genetics, Institute of Human Genetics, University of Heidelberg, 69120, Heidelberg, Germany
| | - Per Hoffmann
- Department of Genomics, Institute of Human Genetics, Life & Brain Centre, University of Bonn, D-53012, Bonn, Germany
- Department of Biomedicine, Human Genomics Research Group, University Hospital and University of Basel, 4031, Basel, Switzerland
| | - Markus M Nöthen
- Department of Genomics, Institute of Human Genetics, Life & Brain Centre, University of Bonn, D-53012, Bonn, Germany
| | - Stefanie Heilmann-Heimbach
- Department of Genomics, Institute of Human Genetics, Life & Brain Centre, University of Bonn, D-53012, Bonn, Germany
| | - Karl-Heinz Jöckel
- Institute for Medical Informatics, Biometry and Epidemiology, University Hospital Essen, University of Duisburg-Essen, 45147, Essen, Germany
| | - Douglas F Easton
- Department of Oncology, Centre for Cancer Genetic Epidemiology, University of Cambridge, Cambridge, CB1 8RN, UK
- Department of Public Health and Primary Care, Centre for Cancer Genetic Epidemiology, University of Cambridge, Cambridge, CB1 8RN, UK
| | - Paul D P Pharaoh
- Department of Oncology, Centre for Cancer Genetic Epidemiology, University of Cambridge, Cambridge, CB1 8RN, UK
- Department of Public Health and Primary Care, Centre for Cancer Genetic Epidemiology, University of Cambridge, Cambridge, CB1 8RN, UK
| | - Alison M Dunning
- Department of Oncology, Centre for Cancer Genetic Epidemiology, University of Cambridge, Strangeways Laboratory, Cambridge, CB1 8RN, UK
| | - Julian Peto
- Department of Non-Communicable Disease Epidemiology, London School of Hygiene and Tropical Medicine, London, WC1E 7HT, UK
| | - Frederico Canzian
- Genomic Epidemiology Group, German Cancer Research Center (DKFZ), 69120, Heidelberg, Germany
| | - Anthony Swerdlow
- Division of Genetics and Epidemiology, The Institute of Cancer Research, Sutton, Surrey, SM2 5NG, UK
- Division of Breast Cancer Research, The Institute of Cancer Research, London, SW7 3RP, UK
| | - Rosalind A Eeles
- Division of Genetics and Epidemiology, The Institute of Cancer Research, Sutton, Surrey, SM2 5NG, UK
- Royal Marsden NHS Foundation Trust, London, SW3 6JJ, UK
| | - ZSofia Kote-Jarai
- Division of Genetics and Epidemiology, The Institute of Cancer Research, Sutton, Surrey, SM2 5NG, UK
| | - Kenneth Muir
- Institute of Population Health, University of Manchester, Manchester, M13 9PL, UK
- Warwick Medical School, University of Warwick, Coventry, CV4 7AL, UK
| | - Nora Pashayan
- Department of Public Health and Primary Care, Centre for Cancer Genetic Epidemiology, University of Cambridge, Cambridge, CB1 8RN, UK
- Department of Applied Health Research, University College London, London, WC1E 7HB, UK
| | - Mel Greaves
- Centre for Evolution and Cancer, Institute of Cancer Research, Sutton, Surrey, SM2 5NG, UK
| | - Martin Zimmerman
- Department of Paediatric Haematology and Oncology, Hannover Medical School, 30625, Hannover, Germany
| | - Claus R Bartram
- Department of Human Genetics, Institute of Human Genetics, University of Heidelberg, 69120, Heidelberg, Germany
| | - Martin Schrappe
- General Paediatrics, University Hospital Schleswig-Holstein, 24105, Kiel, Germany
| | - Martin Stanulla
- Department of Paediatric Haematology and Oncology, Hannover Medical School, 30625, Hannover, Germany
| | - Kari Hemminki
- Division of Molecular Genetic Epidemiology, German Cancer Research Centre, 69120, Heidelberg, Germany
- Center for Primary Health Care Research, Lund University, 221 00, Lund, Sweden
| | - Richard S Houlston
- Division of Genetics and Epidemiology, The Institute of Cancer Research, Sutton, Surrey, SM2 5NG, UK.
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18
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Wiemels JL, Walsh KM, de Smith AJ, Metayer C, Gonseth S, Hansen HM, Francis SS, Ojha J, Smirnov I, Barcellos L, Xiao X, Morimoto L, McKean-Cowdin R, Wang R, Yu H, Hoh J, DeWan AT, Ma X. GWAS in childhood acute lymphoblastic leukemia reveals novel genetic associations at chromosomes 17q12 and 8q24.21. Nat Commun 2018; 9:286. [PMID: 29348612 PMCID: PMC5773513 DOI: 10.1038/s41467-017-02596-9] [Citation(s) in RCA: 69] [Impact Index Per Article: 11.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/15/2017] [Accepted: 12/13/2017] [Indexed: 01/07/2023] Open
Abstract
Childhood acute lymphoblastic leukemia (ALL) (age 0-14 years) is 20% more common in Latino Americans than non-Latino whites. We conduct a genome-wide association study in a large sample of 3263 Californian children with ALL (including 1949 of Latino heritage) and 3506 controls matched on month and year of birth, sex, and ethnicity, and an additional 12,471 controls from the Kaiser Resource for Genetic Epidemiology Research on Aging Cohort. Replication of the strongest genetic associations is performed in two independent datasets from the Children's Oncology Group and the California Childhood Leukemia Study. Here we identify new risk loci on 17q12 near IKZF3/ZPBP2/GSDMB/ORMDL3, a locus encompassing a transcription factor important for lymphocyte development (IKZF3), and at an 8q24 region known for structural contacts with the MYC oncogene. These new risk loci may impact gene expression via local (four 17q12 genes) or long-range (8q24) interactions, affecting function of well-characterized hematopoietic and growth-regulation pathways.
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Affiliation(s)
- Joseph L Wiemels
- Department of Epidemiology and Biostatistics, University of California San Francisco, 1450 3rd Street, San Francisco, CA, 94158, USA.
- Department of Neurological Surgery, University of California San Francisco, 1450 3rd Street, San Francisco, CA, 94158, USA.
- Institute for Human Genetics, University of California San Francisco, 1450 3rd Street, San Francisco, CA, 94158, USA.
- Department of Preventative Medicine, University of Southern California, SSB 318D 2001 N. Soto Street, Los Angeles, CA, 90033, USA.
| | - Kyle M Walsh
- Department of Epidemiology and Biostatistics, University of California San Francisco, 1450 3rd Street, San Francisco, CA, 94158, USA
- Department of Neurological Surgery, University of California San Francisco, 1450 3rd Street, San Francisco, CA, 94158, USA
| | - Adam J de Smith
- Department of Epidemiology and Biostatistics, University of California San Francisco, 1450 3rd Street, San Francisco, CA, 94158, USA
| | - Catherine Metayer
- School of Public Health, University of California Berkeley, 1950 University Avenue, Suite 460, Berkeley, CA, 94720, USA
| | - Semira Gonseth
- Department of Epidemiology and Biostatistics, University of California San Francisco, 1450 3rd Street, San Francisco, CA, 94158, USA
- Department of Preventative Medicine, University of Southern California, SSB 318D 2001 N. Soto Street, Los Angeles, CA, 90033, USA
| | - Helen M Hansen
- Department of Neurological Surgery, University of California San Francisco, 1450 3rd Street, San Francisco, CA, 94158, USA
| | - Stephen S Francis
- Department of Epidemiology and Biostatistics, University of California San Francisco, 1450 3rd Street, San Francisco, CA, 94158, USA
- Department of Epidemiology, School of Community Health Sciences, University of Nevada Reno, 1664 N. Virginia Street, Reno, NV, 89557, USA
| | - Juhi Ojha
- Department of Epidemiology and Biostatistics, University of California San Francisco, 1450 3rd Street, San Francisco, CA, 94158, USA
| | - Ivan Smirnov
- Department of Neurological Surgery, University of California San Francisco, 1450 3rd Street, San Francisco, CA, 94158, USA
| | - Lisa Barcellos
- School of Public Health, University of California Berkeley, 1950 University Avenue, Suite 460, Berkeley, CA, 94720, USA
| | - Xiaorong Xiao
- School of Public Health, University of California Berkeley, 1950 University Avenue, Suite 460, Berkeley, CA, 94720, USA
| | - Libby Morimoto
- School of Public Health, University of California Berkeley, 1950 University Avenue, Suite 460, Berkeley, CA, 94720, USA
| | - Roberta McKean-Cowdin
- Department of Preventative Medicine, University of Southern California, SSB 318D 2001 N. Soto Street, Los Angeles, CA, 90033, USA
| | - Rong Wang
- Department of Chronic Diseases Epidemiology, School of Public Health, Yale University, 60 College Street, New Haven, CT, 06520, USA
| | - Herbert Yu
- University of Hawaii Cancer Center, 701 Ilalo Street, Honolulu, HI, 96813, USA
| | - Josephine Hoh
- Department of Chronic Diseases Epidemiology, School of Public Health, Yale University, 60 College Street, New Haven, CT, 06520, USA
| | - Andrew T DeWan
- Department of Chronic Diseases Epidemiology, School of Public Health, Yale University, 60 College Street, New Haven, CT, 06520, USA
| | - Xiaomei Ma
- Department of Chronic Diseases Epidemiology, School of Public Health, Yale University, 60 College Street, New Haven, CT, 06520, USA.
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19
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Hwee J, Tait C, Sung L, Kwong JC, Sutradhar R, Pole JD. A systematic review and meta-analysis of the association between childhood infections and the risk of childhood acute lymphoblastic leukaemia. Br J Cancer 2017; 118:127-137. [PMID: 29065105 PMCID: PMC5765221 DOI: 10.1038/bjc.2017.360] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/23/2017] [Revised: 09/19/2017] [Accepted: 09/21/2017] [Indexed: 01/02/2023] Open
Abstract
Background: To determine whether childhood infections were associated with the development of childhood acute lymphoblastic leukaemia (ALL). Methods: We included studies that assessed any infection in childhood prior to the diagnosis of ALL in children aged 0–19 years compared to children without cancer. The primary analysis synthesised any infection against the odds of ALL, and secondary analyses assessed the frequency, severity, timing of infections, and specific infectious agents against the odds of ALL. Subgroup analyses by data source were investigated. Results: In our primary analysis of 12 496 children with ALL and 2 356 288 children without ALL from 38 studies, we found that any infection was not associated with ALL (odds ratio (OR)=1.10, 95% CI: 0.95–1.28). Among studies with laboratory-confirmed infections, the presence of infections increased the odds of ALL by 2.4-fold (OR=2.42, 95% CI: 1.54–3.82). Frequency, severity, and timing of infection were not associated with ALL. Conclusions: The hypothesis put forward by Greaves and others about an infectious aetiology are neither confirmed nor refuted and the overall evidence remains inadequate for good judgement. The qualitative difference in the subgroup effects require further study, and future research will need to address the challenges in measuring infectious exposures.
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Affiliation(s)
- Jeremiah Hwee
- Dalla Lana School of Public Health, University of Toronto, Health Sciences Building, 155 College Street, Toronto, ON, Canada
| | - Christopher Tait
- Dalla Lana School of Public Health, University of Toronto, Health Sciences Building, 155 College Street, Toronto, ON, Canada
| | - Lillian Sung
- Division of Haematology/Oncology, Department of Pediatrics, The Hospital for Sick Children, 555 University Avenue, Toronto, ON, Canada.,Program in Child Health Evaluative Sciences, The Hospital for Sick Children, Peter Gilgan Centre for Research and Learning, 686 Bay Street, Toronto, ON, Canada.,Institute of Health Policy, Management and Evaluation, University of Toronto, Health Sciences Building, 155 College Street, Toronto, ON, Canada
| | - Jeffrey C Kwong
- Dalla Lana School of Public Health, University of Toronto, Health Sciences Building, 155 College Street, Toronto, ON, Canada.,Institute for Clinical Evaluative Sciences, 2075 Bayview Avenue, Toronto, ON, Canada.,Department of Family and Community Medicine, University of Toronto, Toronto, ON Canada.,Public Health Ontario, Toronto, ON, Canada.,Toronto Western Family Health Team, University Health Network, Toronto, ON, Canada
| | - Rinku Sutradhar
- Dalla Lana School of Public Health, University of Toronto, Health Sciences Building, 155 College Street, Toronto, ON, Canada.,Institute for Clinical Evaluative Sciences, 2075 Bayview Avenue, Toronto, ON, Canada
| | - Jason D Pole
- Dalla Lana School of Public Health, University of Toronto, Health Sciences Building, 155 College Street, Toronto, ON, Canada.,Pediatric Oncology Group of Ontario, 480 University Avenue, Suite 1014, Toronto, ON, Canada
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20
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Jacqueline C, Tasiemski A, Sorci G, Ujvari B, Maachi F, Missé D, Renaud F, Ewald P, Thomas F, Roche B. Infections and cancer: the "fifty shades of immunity" hypothesis. BMC Cancer 2017; 17:257. [PMID: 28403812 PMCID: PMC5389015 DOI: 10.1186/s12885-017-3234-4] [Citation(s) in RCA: 42] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/05/2016] [Accepted: 03/24/2017] [Indexed: 12/15/2022] Open
Abstract
BACKGROUND Since the beginning of the twentieth century, infection has emerged as a fundamental aspect of cancer causation with a growing number of pathogens recognized as oncogenic. Meanwhile, oncolytic viruses have also attracted considerable interest as possible agents of tumor destruction. DISCUSSION Lost in the dichotomy between oncogenic and oncolytic agents, the indirect influence of infectious organisms on carcinogenesis has been largely unexplored. We describe the various ways - from functional aspects to evolutionary considerations such as modernity mismatches - by which infectious organisms could interfere with oncogenic processes through immunity. Finally, we discuss how acknowledging these interactions might impact public health approaches and suggest new guidelines for therapeutic and preventive strategies both at individual and population levels. Infectious organisms, that are not oncogenic neither oncolytic, may play a significant role in carcinogenesis, suggesting the need to increase our knowledge about immune interactions between infections and cancer.
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Affiliation(s)
- Camille Jacqueline
- CREEC, 911 Avenue Agropolis, BP 64501, 34394 Montpellier Cedex 5, France
- MIVEGEC, UMR IRD/CNRS/UM 5290, 911 Avenue Agropolis, BP 64501, 34394 Montpellier Cedex 5, France
| | - Aurélie Tasiemski
- Unité d’Evolution, Ecologie et Paléontologie (EEP) Université de Lille 1 CNRS UMR 8198, groupe d’Ecoimmunologie des Annélides, 59655 Villeneuve-d’Ascqd’Ascq, France
| | - Gabriele Sorci
- BiogéoSciences, CNRS UMR 6282, Université de Bourgogne Franche-Comté, 6 Boulevard Gabriel, 21000 Dijon, France
| | - Beata Ujvari
- Centre for Integrative Ecology, School of Life and Environmental Sciences, Deakin University, Waurn Ponds, Vic Australia
| | - Fatima Maachi
- Laboratoire de Pathologie Oncologie Digestive, Institut Pasteur 1, Place Abou Kacem Ez-Zahraoui- B.P, 120, Casablanca, Morocco
| | - Dorothée Missé
- CREEC, 911 Avenue Agropolis, BP 64501, 34394 Montpellier Cedex 5, France
- MIVEGEC, UMR IRD/CNRS/UM 5290, 911 Avenue Agropolis, BP 64501, 34394 Montpellier Cedex 5, France
| | - François Renaud
- CREEC, 911 Avenue Agropolis, BP 64501, 34394 Montpellier Cedex 5, France
- MIVEGEC, UMR IRD/CNRS/UM 5290, 911 Avenue Agropolis, BP 64501, 34394 Montpellier Cedex 5, France
| | - Paul Ewald
- Department of Biology, University of Louisville, Louisville, KY 40292 USA
| | - Frédéric Thomas
- CREEC, 911 Avenue Agropolis, BP 64501, 34394 Montpellier Cedex 5, France
- MIVEGEC, UMR IRD/CNRS/UM 5290, 911 Avenue Agropolis, BP 64501, 34394 Montpellier Cedex 5, France
| | - Benjamin Roche
- CREEC, 911 Avenue Agropolis, BP 64501, 34394 Montpellier Cedex 5, France
- International Center for Mathematical and Computational Modeling of Complex Systems (UMI IRD/UPMC UMMISCO), 32 Avenue Henri Varagnat, 93143 Bondy Cedex, France
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21
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Vijayakrishnan J, Kumar R, Henrion MYR, Moorman AV, Rachakonda PS, Hosen I, da Silva Filho MI, Holroyd A, Dobbins SE, Koehler R, Thomsen H, Irving JA, Allan JM, Lightfoot T, Roman E, Kinsey SE, Sheridan E, Thompson PD, Hoffmann P, Nöthen MM, Heilmann-Heimbach S, Jöckel KH, Greaves M, Harrison CJ, Bartram CR, Schrappe M, Stanulla M, Hemminki K, Houlston RS. A genome-wide association study identifies risk loci for childhood acute lymphoblastic leukemia at 10q26.13 and 12q23.1. Leukemia 2017; 31:573-579. [PMID: 27694927 PMCID: PMC5336191 DOI: 10.1038/leu.2016.271] [Citation(s) in RCA: 63] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/13/2016] [Revised: 08/26/2016] [Accepted: 09/06/2016] [Indexed: 02/08/2023]
Abstract
Genome-wide association studies (GWASs) have shown that common genetic variation contributes to the heritable risk of childhood acute lymphoblastic leukemia (ALL). To identify new susceptibility loci for the largest subtype of ALL, B-cell precursor ALL (BCP-ALL), we conducted a meta-analysis of two GWASs with imputation using 1000 Genomes and UK10K Project data as reference (totaling 1658 cases and 7224 controls). After genotyping an additional 2525 cases and 3575 controls, we identify new susceptibility loci for BCP-ALL mapping to 10q26.13 (rs35837782, LHPP, P=1.38 × 10-11) and 12q23.1 (rs4762284, ELK3, P=8.41 × 10-9). We also provide confirmatory evidence for the existence of independent risk loci at 9p21.3, but show that the association marked by rs77728904 can be accounted for by linkage disequilibrium with the rare high-impact CDKN2A p.Ala148Thr variant rs3731249. Our data provide further insights into genetic susceptibility to ALL and its biology.
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Affiliation(s)
- J Vijayakrishnan
- Division of Genetics and Epidemiology, The Institute of Cancer Research, Sutton, UK
| | - R Kumar
- Division of Molecular Genetic Epidemiology, German Cancer Research Centre, Heidelberg, Germany
| | - M Y R Henrion
- Division of Genetics and Epidemiology, The Institute of Cancer Research, Sutton, UK
| | - A V Moorman
- Leukemia Research Group, Northern Institute for Cancer Research, Newcastle University, Newcastle upon Tyne, UK
| | - P S Rachakonda
- Division of Molecular Genetic Epidemiology, German Cancer Research Centre, Heidelberg, Germany
| | - I Hosen
- Division of Molecular Genetic Epidemiology, German Cancer Research Centre, Heidelberg, Germany
| | - M I da Silva Filho
- Division of Molecular Genetic Epidemiology, German Cancer Research Centre, Heidelberg, Germany
| | - A Holroyd
- Division of Genetics and Epidemiology, The Institute of Cancer Research, Sutton, UK
| | - S E Dobbins
- Division of Genetics and Epidemiology, The Institute of Cancer Research, Sutton, UK
| | - R Koehler
- Department of Human Genetics, Institute of Human Genetics, University of Heidelberg, Heidelberg, Germany
| | - H Thomsen
- Division of Molecular Genetic Epidemiology, German Cancer Research Centre, Heidelberg, Germany
| | - J A Irving
- Leukemia Research Group, Northern Institute for Cancer Research, Newcastle University, Newcastle upon Tyne, UK
| | - J M Allan
- Leukemia Research Group, Northern Institute for Cancer Research, Newcastle University, Newcastle upon Tyne, UK
| | - T Lightfoot
- Department of Health Sciences, Epidemiology and Cancer Statistics Group, University of York, York, UK
| | - E Roman
- Department of Health Sciences, Epidemiology and Cancer Statistics Group, University of York, York, UK
| | - S E Kinsey
- Department of Paediatric and Adolescent Haematology and Oncology, Leeds General Infirmary, Leeds, UK
| | - E Sheridan
- Medical Genetics Research Group, Leeds Institute of Biomedical & Clinical Sciences, University of Leeds, Leeds, UK
| | - P D Thompson
- Paediatric and Familial Cancer Research Group, Institute of Cancer Sciences, University of Manchester, St Mary's Hospital, Manchester, UK
| | - P Hoffmann
- Institute of Human Genetics, University of Bonn, Bonn, Germany
- Department of Biomedicine, Human Genomics Research Group, University Hospital Basel, Basel, Switzerland
| | - M M Nöthen
- Institute of Human Genetics, University of Bonn, Bonn, Germany
| | | | - K H Jöckel
- Institute for Medical Informatics, Biometry and Epidemiology, University Hospital Essen, Essen, Germany
| | - M Greaves
- Haemato-Oncology Research Unit, Division of Molecular Pathology, Institute of Cancer Research, Sutton, UK
| | - C J Harrison
- Leukemia Research Group, Northern Institute for Cancer Research, Newcastle University, Newcastle upon Tyne, UK
| | - C R Bartram
- Department of Human Genetics, Institute of Human Genetics, University of Heidelberg, Heidelberg, Germany
| | - M Schrappe
- General Paediatrics, University Hospital Schleswig-Holstein, Kiel, Germany
| | - M Stanulla
- Department of Paediatric Haematology and Oncology, Hannover Medical School, Hannover, Germany
| | - K Hemminki
- Division of Molecular Genetic Epidemiology, German Cancer Research Centre, Heidelberg, Germany
- Center for Primary Health Care Research, Lund University, Malmö, Sweden
| | - R S Houlston
- Division of Genetics and Epidemiology, The Institute of Cancer Research, Sutton, UK
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22
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In utero cytomegalovirus infection and development of childhood acute lymphoblastic leukemia. Blood 2016; 129:1680-1684. [PMID: 27979823 DOI: 10.1182/blood-2016-07-723148] [Citation(s) in RCA: 49] [Impact Index Per Article: 6.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/02/2016] [Accepted: 09/17/2016] [Indexed: 02/07/2023] Open
Abstract
It is widely suspected, yet controversial, that infection plays an etiologic role in the development of acute lymphoblastic leukemia (ALL), the most common childhood cancer and a disease with a confirmed prenatal origin in most cases. We investigated infections at diagnosis and then assessed the timing of infection at birth in children with ALL and age, gender, and ethnicity matched controls to identify potential causal initiating infections. Comprehensive untargeted virome and bacterial analyses of pretreatment bone marrow specimens (n = 127 ALL in comparison with 38 acute myeloid leukemia cases in a comparison group) revealed prevalent cytomegalovirus (CMV) infection at diagnosis in childhood ALL, demonstrating active viral transcription in leukemia blasts as well as intact virions in serum. Screening of newborn blood samples revealed a significantly higher prevalence of in utero CMV infection in ALL cases (n = 268) than healthy controls (n = 270) (odds ratio [OR], 3.71, confidence interval [CI], 1.56-7.92, P = .0016). Risk was more pronounced in Hispanics (OR=5.90, CI=1.89-25.96) than in non-Hispanic whites (OR=2.10 CI= 0.69-7.13). This is the first study to suggest that congenital CMV infection is a risk factor for childhood ALL and is more prominent in Hispanic children. Further investigation of CMV as an etiologic agent for ALL is warranted.
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23
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Fidanza M, Seif AE, DeMicco A, Rolf N, Jo S, Yin B, Li Y, Barrett DM, Duque-Afonso J, Cleary ML, Bassing CH, Grupp SA, Reid GSD. Inhibition of precursor B-cell malignancy progression by toll-like receptor ligand-induced immune responses. Leukemia 2016; 30:2116-2119. [PMID: 27220664 PMCID: PMC5053846 DOI: 10.1038/leu.2016.152] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
Affiliation(s)
- M Fidanza
- Michael Cuccione Childhood Cancer Research Program, Child and Family Research Institute, Vancouver, British Columbia, Canada
| | - A E Seif
- Center for Childhood Cancer Research, The Children's Hospital of Philadelphia, Philadelphia, PA, USA
- Department of Pediatrics, Division of Oncology, University of Pennsylvania, Philadelphia, PA, USA
- Abramson Family Cancer Research Institute, University of Pennsylvania, Philadelphia, PA, USA
| | - A DeMicco
- Center for Childhood Cancer Research, The Children's Hospital of Philadelphia, Philadelphia, PA, USA
- Abramson Family Cancer Research Institute, University of Pennsylvania, Philadelphia, PA, USA
- Department of Pathology and Laboratory Medicine, Division of Cancer Pathobiology, University of Pennsylvania, Philadelphia, PA, USA
| | - N Rolf
- Michael Cuccione Childhood Cancer Research Program, Child and Family Research Institute, Vancouver, British Columbia, Canada
- Department of Pediatrics, University of British Columbia, Vancouver, British Columbia, Canada
| | - S Jo
- Michael Cuccione Childhood Cancer Research Program, Child and Family Research Institute, Vancouver, British Columbia, Canada
| | - B Yin
- Center for Childhood Cancer Research, The Children's Hospital of Philadelphia, Philadelphia, PA, USA
- Abramson Family Cancer Research Institute, University of Pennsylvania, Philadelphia, PA, USA
- Department of Pathology and Laboratory Medicine, Division of Cancer Pathobiology, University of Pennsylvania, Philadelphia, PA, USA
| | - Y Li
- Center for Childhood Cancer Research, The Children's Hospital of Philadelphia, Philadelphia, PA, USA
- Department of Pediatrics, Division of Oncology, University of Pennsylvania, Philadelphia, PA, USA
- Center for Clinical Epidemiology and Biostatistics, University of Pennsylvania, Philadelphia, PA, USA
| | - D M Barrett
- Center for Childhood Cancer Research, The Children's Hospital of Philadelphia, Philadelphia, PA, USA
- Department of Pediatrics, Division of Oncology, University of Pennsylvania, Philadelphia, PA, USA
| | - J Duque-Afonso
- Department of Pathology, School of Medicine, Stanford University, Stanford, CA, USA
| | - M L Cleary
- Department of Pathology, School of Medicine, Stanford University, Stanford, CA, USA
| | - C H Bassing
- Center for Childhood Cancer Research, The Children's Hospital of Philadelphia, Philadelphia, PA, USA
- Abramson Family Cancer Research Institute, University of Pennsylvania, Philadelphia, PA, USA
- Department of Pathology and Laboratory Medicine, Division of Cancer Pathobiology, University of Pennsylvania, Philadelphia, PA, USA
| | - S A Grupp
- Center for Childhood Cancer Research, The Children's Hospital of Philadelphia, Philadelphia, PA, USA
- Department of Pediatrics, Division of Oncology, University of Pennsylvania, Philadelphia, PA, USA
- Abramson Family Cancer Research Institute, University of Pennsylvania, Philadelphia, PA, USA
| | - G S D Reid
- Michael Cuccione Childhood Cancer Research Program, Child and Family Research Institute, Vancouver, British Columbia, Canada
- Department of Pediatrics, University of British Columbia, Vancouver, British Columbia, Canada
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24
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Whitehead TP, Metayer C, Wiemels JL, Singer AW, Miller MD. Childhood Leukemia and Primary Prevention. Curr Probl Pediatr Adolesc Health Care 2016; 46:317-352. [PMID: 27968954 PMCID: PMC5161115 DOI: 10.1016/j.cppeds.2016.08.004] [Citation(s) in RCA: 71] [Impact Index Per Article: 8.9] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
Abstract
Leukemia is the most common pediatric cancer, affecting 3800 children per year in the United States. Its annual incidence has increased over the last decades, especially among Latinos. Although most children diagnosed with leukemia are now cured, many suffer long-term complications, and primary prevention efforts are urgently needed. The early onset of leukemia-usually before 5 years of age-and the presence at birth of "pre-leukemic" genetic signatures indicate that pre- and postnatal events are critical to the development of the disease. In contrast to most pediatric cancers, there is a growing body of literature-in the United States and internationally-that has implicated several environmental, infectious, and dietary risk factors in the etiology of childhood leukemia, mainly for acute lymphoblastic leukemia, the most common subtype. For example, exposures to pesticides, tobacco smoke, solvents, and traffic emissions have consistently demonstrated positive associations with the risk of developing childhood leukemia. In contrast, intake of vitamins and folate supplementation during the preconception period or pregnancy, breastfeeding, and exposure to routine childhood infections have been shown to reduce the risk of childhood leukemia. Some children may be especially vulnerable to these risk factors, as demonstrated by a disproportionate burden of childhood leukemia in the Latino population of California. The evidence supporting the associations between childhood leukemia and its risk factors-including pooled analyses from around the world and systematic reviews-is strong; however, the dissemination of this knowledge to clinicians has been limited. To protect children's health, it is prudent to initiate programs designed to alter exposure to well-established leukemia risk factors rather than to suspend judgment until no uncertainty remains. Primary prevention programs for childhood leukemia would also result in the significant co-benefits of reductions in other adverse health outcomes that are common in children, such as detriments to neurocognitive development.
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Affiliation(s)
- Todd P Whitehead
- Department of Epidemiology, School of Public Health, University of California, Berkeley, CA; Center for Integrative Research on Childhood Leukemia and the Environment, University of California, Berkeley, CA.
| | - Catherine Metayer
- Department of Epidemiology, School of Public Health, University of California, Berkeley, CA; Center for Integrative Research on Childhood Leukemia and the Environment, University of California, Berkeley, CA
| | - Joseph L Wiemels
- Center for Integrative Research on Childhood Leukemia and the Environment, University of California, Berkeley, CA; Department of Epidemiology and Biostatistics, School of Medicine, University of California, San Francisco, CA
| | - Amanda W Singer
- Department of Epidemiology, School of Public Health, University of California, Berkeley, CA
| | - Mark D Miller
- Center for Integrative Research on Childhood Leukemia and the Environment, University of California, Berkeley, CA; Western States Pediatric Environmental Health Specialty Unit, University of California, San Francisco, CA
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25
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Amitay EL, Dubnov Raz G, Keinan-Boker L. Breastfeeding, Other Early Life Exposures and Childhood Leukemia and Lymphoma. Nutr Cancer 2016; 68:968-77. [PMID: 27352124 DOI: 10.1080/01635581.2016.1190020] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/21/2022]
Abstract
Childhood cancer incidence increases and although rare, it is a leading cause of mortality. Leukemia and lymphoma comprise 40% of all cancers in children but little is known of their etiology. In this study, we examined the associations of breastfeeding and other early life exposures with childhood leukemia and lymphoma. A population-based case-control study carried out in 2011-2013 comprised mothers of 190 incidents (2005-2013) of leukemia/lymphoma cases aged 1-19 yr at diagnosis and 384 population-based controls. Interviews based on a computerized structured questionnaire were conducted with the mothers. Multivariate logistic regression models adjusted for potential confounders assessed the association between breastfeeding patterns and childhood leukemia/lymphoma. Ever breastfeeding category was associated with a 64% decreased risk for childhood leukemia/lymphoma lsqb;odds ratio (OR) = 0.36, 95% confidence interval (CI): 0.22, 0.60lrqb; and similar trends, with a dose-response effect, were observed for any breastfeeding (exclusive and/or partial) category for 6, 12, and 18+ mo. Other infant exposures associated with cancer risk were child iron supplementation (OR = 0.39, 95% CI: 0.26, 0.59), pet ownership (OR = 0.50, 95% CI: 0.33, 0.78), paternal smoking (OR = 1.93, 95% CI: 1.18, 3.15), and having older siblings (OR = 1.18, 95% CI: 1.05, 1.33). Breastfeeding-a controllable and modifiable exposure-is inversely associated with risk for childhood leukemia and lymphoma with a dose-response effect.
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Affiliation(s)
- Efrat Lev Amitay
- a School of Public Health , University of Haifa , Haifa , Israel
| | - Gal Dubnov Raz
- b Exercise, Lifestyle and Nutrition Clinic , The Edmond and Lily Safra Children's Hospital, Sheba Medical Center , Ramat Gan , Israel.,c Israel Center for Disease Control , Ministry of Health , Ramat Gan , Israel
| | - Lital Keinan-Boker
- c Israel Center for Disease Control , Ministry of Health , Ramat Gan , Israel.,d School of Public Health , Faculty of Social Welfare and Health Sciences, University of Haifa , Haifa , Israel
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26
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Wiemels J, Ma X. Stressful exit from the womb and risk of childhood leukaemia. LANCET HAEMATOLOGY 2016; 3:e155-6. [PMID: 27063969 DOI: 10.1016/s2352-3026(16)00019-3] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/25/2016] [Accepted: 01/26/2016] [Indexed: 01/28/2023]
Affiliation(s)
- Joseph Wiemels
- Department of Epidemiology and Biostatistics, University of California at San Francisco, San Francisco, CA 94158, USA.
| | - Xiaomei Ma
- Department of Chronic Disease Epidemiology, Yale School of Public Health, New Haven, CT, USA
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27
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Reported associations between asthma and acute lymphoblastic leukemia: insights from a hybrid simulation study. Eur J Epidemiol 2016; 31:593-602. [PMID: 26861154 DOI: 10.1007/s10654-016-0126-x] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/08/2015] [Accepted: 02/02/2016] [Indexed: 02/07/2023]
Abstract
Numerous studies have reported a protective association between asthma and acute lymphoblastic leukemia (ALL), but the causal structure of this association remains unclear. We present a hybrid simulation to examine the compatibility of this association with uncontrolled confounding by infection or another unmeasured factor. We generated a synthetic cohort using inputs on the interrelations of asthma, ALL, infections, and other suggested risk factors from the literature and the Danish National Birth Cohort. We computed odds ratios (ORs) between asthma and ALL in the synthetic cohort with and without adjustment for infections and other (including unmeasured) confounders. Only if infection was an extremely strong risk factor for asthma (OR of 10) and an extremely strong protective factor against ALL (OR of 0.1) was the asthma-ALL association compatible with the literature (OR of 0.78). Similarly, strong uncontrolled confounding by an unmeasured factor could downwardly bias the asthma-ALL association, but not enough to replicate findings in the literature. This investigation illustrates that the reported protective association between asthma and ALL is unlikely to be entirely due to uncontrolled confounding by infections or an unmeasured confounder alone. Simulation can be used to advance our understanding of risk factors for rare outcomes as demonstrated by this study.
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28
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New insights into childhood leukemia etiology. Eur J Epidemiol 2015; 30:1225-7. [PMID: 26686849 DOI: 10.1007/s10654-015-0115-5] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/14/2015] [Accepted: 12/18/2015] [Indexed: 10/22/2022]
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29
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Schüz J, Luta G, Erdmann F, Ferro G, Bautz A, Simony SB, Dalton SO, Lightfoot T, Winther JF. Birth order and risk of childhood cancer in the Danish birth cohort of 1973-2010. Cancer Causes Control 2015; 26:1575-82. [PMID: 26259524 DOI: 10.1007/s10552-015-0651-z] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/20/2015] [Accepted: 08/04/2015] [Indexed: 01/04/2023]
Abstract
PURPOSE Many studies have investigated the possible association between birth order and risk of childhood cancer, although the evidence to date has been inconsistent. Birth order has been used as a marker for various in utero or childhood exposures and is relatively straightforward to assess. METHODS Data were obtained on all children born in Denmark between 1973 and 2010, involving almost 2.5 million births and about 5,700 newly diagnosed childhood cancers before the age of 20 years. Data were analyzed using Poisson regression models. RESULTS We failed to observe associations between birth order and risk of any childhood cancer subtype, including acute lymphoblastic leukemia; all rate ratios were close to one. Further analyses stratified by birth cohort (those born between 1973 and 1990, and those born between 1991 and 2010) also failed to show any associations. Considering stillbirths and/or controlling for birth weight and parental age in the analyses had no effect on the results. Analyses by years of birth (those born between 1973 and 1990, and those born between 1991 and 2010) did not show any changes in the overall pattern of no association. CONCLUSIONS In this large cohort of all children born in Denmark over an almost 40-year period, we did not observe an association between birth order and the risk of childhood cancer.
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Affiliation(s)
- Joachim Schüz
- Section of Environment and Radiation, International Agency for Research on Cancer (IARC), 150 Cours Albert Thomas, 69372, Lyon, France.
| | - George Luta
- Department of Biostatistics, Bioinformatics and Biomathematics, Georgetown University, Washington, DC, USA
| | - Friederike Erdmann
- Section of Environment and Radiation, International Agency for Research on Cancer (IARC), 150 Cours Albert Thomas, 69372, Lyon, France
| | - Gilles Ferro
- Section of Environment and Radiation, International Agency for Research on Cancer (IARC), 150 Cours Albert Thomas, 69372, Lyon, France
| | - Andrea Bautz
- Survivorship Unit, Childhood Cancer Survivorship Research Group, Danish Cancer Society Research Center, Copenhagen, Denmark
| | - Sofie Bay Simony
- Survivorship Unit, Social Inequality in Survivorship Group, Danish Cancer Society Research Center, Copenhagen, Denmark
| | - Susanne Oksbjerg Dalton
- Survivorship Unit, Social Inequality in Survivorship Group, Danish Cancer Society Research Center, Copenhagen, Denmark
| | - Tracy Lightfoot
- Section of Environment and Radiation, International Agency for Research on Cancer (IARC), 150 Cours Albert Thomas, 69372, Lyon, France
- Epidemiology and Cancer Statistics Group, Department of Health Sciences, University of York, York, UK
| | - Jeanette Falck Winther
- Survivorship Unit, Childhood Cancer Survivorship Research Group, Danish Cancer Society Research Center, Copenhagen, Denmark
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30
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Martín-Lorenzo A, Hauer J, Vicente-Dueñas C, Auer F, González-Herrero I, García-Ramírez I, Ginzel S, Thiele R, Constantinescu SN, Bartenhagen C, Dugas M, Gombert M, Schäfer D, Blanco O, Mayado A, Orfao A, Alonso-López D, Rivas JDL, Cobaleda C, García-Cenador MB, García-Criado FJ, Sánchez-García I, Borkhardt A. Infection Exposure is a Causal Factor in B-cell Precursor Acute Lymphoblastic Leukemia as a Result of Pax5-Inherited Susceptibility. Cancer Discov 2015; 5:1328-43. [PMID: 26408659 DOI: 10.1158/2159-8290.cd-15-0892] [Citation(s) in RCA: 95] [Impact Index Per Article: 10.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/23/2015] [Accepted: 09/17/2015] [Indexed: 11/16/2022]
Abstract
UNLABELLED Earlier in the past century, infections were regarded as the most likely cause of childhood B-cell precursor acute lymphoblastic leukemia (pB-ALL). However, there is a lack of relevant biologic evidence supporting this hypothesis. We present in vivo genetic evidence mechanistically connecting inherited susceptibility to pB-ALL and postnatal infections by showing that pB-ALL was initiated in Pax5 heterozygous mice only when they were exposed to common pathogens. Strikingly, these murine pB-ALLs closely resemble the human disease. Tumor exome sequencing revealed activating somatic, nonsynonymous mutations of Jak3 as a second hit. Transplantation experiments and deep sequencing suggest that inactivating mutations in Pax5 promote leukemogenesis by creating an aberrant progenitor compartment that is susceptible to malignant transformation through accumulation of secondary Jak3 mutations. Thus, treatment of Pax5(+/-) leukemic cells with specific JAK1/3 inhibitors resulted in increased apoptosis. These results uncover the causal role of infection in pB-ALL development. SIGNIFICANCE These results demonstrate that delayed infection exposure is a causal factor in pB-ALL. Therefore, these findings have critical implications for the understanding of the pathogenesis of leukemia and for the development of novel therapies for this disease.
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Affiliation(s)
- Alberto Martín-Lorenzo
- Experimental Therapeutics and Translational Oncology Program, Instituto de Biología Molecular y Celular del Cáncer, CSIC/Universidad de Salamanca, Campus M. de Unamuno s/n, Salamanca, Spain. Institute of Biomedical Research of Salamanca (IBSAL), Salamanca, Spain
| | - Julia Hauer
- Department of Pediatric Oncology, Hematology and Clinical Immunology, Heinrich-Heine University Dusseldorf, Medical Faculty, Dusseldorf, Germany
| | - Carolina Vicente-Dueñas
- Experimental Therapeutics and Translational Oncology Program, Instituto de Biología Molecular y Celular del Cáncer, CSIC/Universidad de Salamanca, Campus M. de Unamuno s/n, Salamanca, Spain. Institute of Biomedical Research of Salamanca (IBSAL), Salamanca, Spain
| | - Franziska Auer
- Department of Pediatric Oncology, Hematology and Clinical Immunology, Heinrich-Heine University Dusseldorf, Medical Faculty, Dusseldorf, Germany
| | - Inés González-Herrero
- Experimental Therapeutics and Translational Oncology Program, Instituto de Biología Molecular y Celular del Cáncer, CSIC/Universidad de Salamanca, Campus M. de Unamuno s/n, Salamanca, Spain. Institute of Biomedical Research of Salamanca (IBSAL), Salamanca, Spain
| | - Idoia García-Ramírez
- Experimental Therapeutics and Translational Oncology Program, Instituto de Biología Molecular y Celular del Cáncer, CSIC/Universidad de Salamanca, Campus M. de Unamuno s/n, Salamanca, Spain. Institute of Biomedical Research of Salamanca (IBSAL), Salamanca, Spain
| | - Sebastian Ginzel
- Department of Pediatric Oncology, Hematology and Clinical Immunology, Heinrich-Heine University Dusseldorf, Medical Faculty, Dusseldorf, Germany. Department of Computer Science, Bonn-Rhein-Sieg University of Applied Sciences, Sankt Augustin, Germany
| | - Ralf Thiele
- Department of Computer Science, Bonn-Rhein-Sieg University of Applied Sciences, Sankt Augustin, Germany
| | - Stefan N Constantinescu
- Ludwig Institute for Cancer Research Brussels and Université catholique de Louvain, de Duve Institute, Brussels, Belgium
| | | | - Martin Dugas
- Institute of Medical Informatics, University of Muenster, Muenster, Germany
| | - Michael Gombert
- Department of Pediatric Oncology, Hematology and Clinical Immunology, Heinrich-Heine University Dusseldorf, Medical Faculty, Dusseldorf, Germany
| | - Daniel Schäfer
- Department of Pediatric Oncology, Hematology and Clinical Immunology, Heinrich-Heine University Dusseldorf, Medical Faculty, Dusseldorf, Germany
| | - Oscar Blanco
- Departamento de Anatomía Patológica, Universidad de Salamanca, Salamanca, Spain
| | - Andrea Mayado
- Servicio de Citometría and Departamento de Medicina, Universidad de Salamanca, Salamanca, Spain
| | - Alberto Orfao
- Servicio de Citometría and Departamento de Medicina, Universidad de Salamanca, Salamanca, Spain
| | - Diego Alonso-López
- Bioinformatics Unit, Cancer Research Center (CSIC-USAL), Salamanca, Spain
| | - Javier De Las Rivas
- Bioinformatics Unit, Cancer Research Center (CSIC-USAL), Salamanca, Spain. Bioinformatics and Functional Genomics Research Group, Cancer Research Center (CSIC-USAL), Salamanca, Spain
| | - César Cobaleda
- Centro de Biología Molecular Severo Ochoa; CSIC/Universidad Autónoma de Madrid; Campus de Cantoblanco, Madrid, Spain
| | | | | | - Isidro Sánchez-García
- Experimental Therapeutics and Translational Oncology Program, Instituto de Biología Molecular y Celular del Cáncer, CSIC/Universidad de Salamanca, Campus M. de Unamuno s/n, Salamanca, Spain. Institute of Biomedical Research of Salamanca (IBSAL), Salamanca, Spain.
| | - Arndt Borkhardt
- Department of Pediatric Oncology, Hematology and Clinical Immunology, Heinrich-Heine University Dusseldorf, Medical Faculty, Dusseldorf, Germany.
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Del Risco Kollerud R, Blaasaas KG, Claussen B. Poverty and the risk of leukemia and cancer in the central nervous system in children: A cohort study in a high-income country. Scand J Public Health 2015; 43:736-43. [PMID: 26088131 DOI: 10.1177/1403494815590499] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 05/16/2015] [Indexed: 01/06/2023]
Abstract
AIMS The association between childhood cancer and socioeconomic status is inconclusive. Family income has seldom been included in large population-based studies, and the specific contributions of it remain unknown. METHODS A total of 712,674 children born between 1967 and 2009 in the Oslo region were included. Of these, 864 were diagnosed with leukemia or cancer in the central nervous system before the age of 15 years. The association between poverty and childhood leukemia or brain cancer was analyzed using logistic regression and Cox proportional hazards models. Family income was stratified according to poverty lines. Parents' educational level and several perinatal variables were also examined. RESULTS Family poverty during the first 2 years of life was associated with lymphoid leukemia before the age of 15 years: odds ratio 1.72, 95% confidence interval 1.11-2.64. In the same age group we found a significant dose response, with a 21% increased risk of lymphoid leukemia with increasing poverty. The risk for intracranial and intraspinal embryonal tumors in the whole study period was lower for children in the middle family income category. For astrocytomas there was a more than 70% increased risk in the medium income category when analyzing the two first years of life. The observed increase was reduced when all years each child contributed to the study were included. The risk of cancer in the central nervous system overall was 20% higher in the medium income category compared to the high-income category. CONCLUSIONS Being born into a household of low family income the first 2 years of life was found to be a risk factor for development of lymphoid leukemia. For astrocytomas we observed an increased risk among children born into the medium income category throughout the first two years of life.
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Skibola CF, Slager SL, Berndt SI, Lightfoot T, Sampson JN, Morton LM, Weisenburger DD. Medical history, lifestyle, family history, and occupational risk factors for adult acute lymphocytic leukemia: the InterLymph Non-Hodgkin Lymphoma Subtypes Project. J Natl Cancer Inst Monogr 2015; 2014:125-9. [PMID: 25174033 DOI: 10.1093/jncimonographs/lgu009] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/22/2023] Open
Abstract
BACKGROUND Acute lymphoblastic leukemia/lymphoma (ALL) in adults is a rare malignancy with a poor clinical outcome, and few reported etiologic risk factors. METHODS We performed an exploratory pooled study of 152 ALL cases and 23096 controls from 16 case-control studies to investigate the role of medical history, lifestyle, family history, and occupational risk factors and risk of ALL. Age- race/ethnicity-, sex-, and study-adjusted odds ratios (ORs) and 95% confidence intervals (CIs) were estimated using logistic regression. RESULTS An increased risk of ALL was found in those with a family history of a hematological malignancy (OR = 2.6, 95% CI = 1.22 to 5.54) and in leather (OR = 3.91, 95% CI = 1.35 to 11.35) and sewing/embroidery workers (OR = 2.92, 95% CI = 1.00 to 8.49). Consumers of alcohol had an increased risk of B-cell ALL (OR = 2.87, 95% CI = 1.18 to 6.95). CONCLUSIONS The small number of statistically significant risk factors identified out of the 112 variables examined could be chance findings and will require further replication to assess their role in the etiology of adult ALL.
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Affiliation(s)
- Christine F Skibola
- Department of Epidemiology, Comprehensive Cancer Center, University of Alabama, Birmingham, AL (CFS); Department of Health Sciences Research, Mayo Clinic, Rochester, MN (SLS); Division of Cancer Epidemiology and Genetics, National Cancer Institute, National Institutes of Health, Bethesda, MD (SIB, JNS, LMM); Epidemiology and Cancer Statistics Group, Department of Health Sciences, University of York, York, UK (TL); Department of Pathology, City of Hope National Medical Center, Duarte, CA (DDW).
| | - Susan L Slager
- Department of Epidemiology, Comprehensive Cancer Center, University of Alabama, Birmingham, AL (CFS); Department of Health Sciences Research, Mayo Clinic, Rochester, MN (SLS); Division of Cancer Epidemiology and Genetics, National Cancer Institute, National Institutes of Health, Bethesda, MD (SIB, JNS, LMM); Epidemiology and Cancer Statistics Group, Department of Health Sciences, University of York, York, UK (TL); Department of Pathology, City of Hope National Medical Center, Duarte, CA (DDW)
| | - Sonja I Berndt
- Department of Epidemiology, Comprehensive Cancer Center, University of Alabama, Birmingham, AL (CFS); Department of Health Sciences Research, Mayo Clinic, Rochester, MN (SLS); Division of Cancer Epidemiology and Genetics, National Cancer Institute, National Institutes of Health, Bethesda, MD (SIB, JNS, LMM); Epidemiology and Cancer Statistics Group, Department of Health Sciences, University of York, York, UK (TL); Department of Pathology, City of Hope National Medical Center, Duarte, CA (DDW)
| | - Tracy Lightfoot
- Department of Epidemiology, Comprehensive Cancer Center, University of Alabama, Birmingham, AL (CFS); Department of Health Sciences Research, Mayo Clinic, Rochester, MN (SLS); Division of Cancer Epidemiology and Genetics, National Cancer Institute, National Institutes of Health, Bethesda, MD (SIB, JNS, LMM); Epidemiology and Cancer Statistics Group, Department of Health Sciences, University of York, York, UK (TL); Department of Pathology, City of Hope National Medical Center, Duarte, CA (DDW)
| | - Joshua N Sampson
- Department of Epidemiology, Comprehensive Cancer Center, University of Alabama, Birmingham, AL (CFS); Department of Health Sciences Research, Mayo Clinic, Rochester, MN (SLS); Division of Cancer Epidemiology and Genetics, National Cancer Institute, National Institutes of Health, Bethesda, MD (SIB, JNS, LMM); Epidemiology and Cancer Statistics Group, Department of Health Sciences, University of York, York, UK (TL); Department of Pathology, City of Hope National Medical Center, Duarte, CA (DDW)
| | - Lindsay M Morton
- Department of Epidemiology, Comprehensive Cancer Center, University of Alabama, Birmingham, AL (CFS); Department of Health Sciences Research, Mayo Clinic, Rochester, MN (SLS); Division of Cancer Epidemiology and Genetics, National Cancer Institute, National Institutes of Health, Bethesda, MD (SIB, JNS, LMM); Epidemiology and Cancer Statistics Group, Department of Health Sciences, University of York, York, UK (TL); Department of Pathology, City of Hope National Medical Center, Duarte, CA (DDW)
| | - Dennis D Weisenburger
- Department of Epidemiology, Comprehensive Cancer Center, University of Alabama, Birmingham, AL (CFS); Department of Health Sciences Research, Mayo Clinic, Rochester, MN (SLS); Division of Cancer Epidemiology and Genetics, National Cancer Institute, National Institutes of Health, Bethesda, MD (SIB, JNS, LMM); Epidemiology and Cancer Statistics Group, Department of Health Sciences, University of York, York, UK (TL); Department of Pathology, City of Hope National Medical Center, Duarte, CA (DDW)
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Rudant J, Lightfoot T, Urayama KY, Petridou E, Dockerty JD, Magnani C, Milne E, Spector LG, Ashton LJ, Dessypris N, Kang AY, Miller M, Rondelli R, Simpson J, Stiakaki E, Orsi L, Roman E, Metayer C, Infante-Rivard C, Clavel J. Childhood acute lymphoblastic leukemia and indicators of early immune stimulation: a Childhood Leukemia International Consortium study. Am J Epidemiol 2015; 181:549-62. [PMID: 25731888 DOI: 10.1093/aje/kwu298] [Citation(s) in RCA: 75] [Impact Index Per Article: 8.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/06/2014] [Accepted: 09/29/2014] [Indexed: 01/04/2023] Open
Abstract
The associations between childhood acute lymphoblastic leukemia (ALL) and several proxies of early stimulation of the immune system, that is, day-care center attendance, birth order, maternally reported common infections in infancy, and breastfeeding, were investigated by using data from 11 case-control studies participating in the Childhood Leukemia International Consortium (enrollment period: 1980-2010). The sample included 7,399 ALL cases and 11,181 controls aged 2-14 years. The data were collected by questionnaires administered to the parents. Pooled odds ratios and 95% confidence intervals were estimated by unconditional logistic regression adjusted for age, sex, study, maternal education, and maternal age. Day-care center attendance in the first year of life was associated with a reduced risk of ALL (odds ratio = 0.77, 95% confidence interval: 0.71, 0.84), with a marked inverse trend with earlier age at start (P < 0.0001). An inverse association was also observed with breastfeeding duration of 6 months or more (odds ratio = 0.86, 95% confidence interval: 0.79, 0.94). No significant relationship with a history of common infections in infancy was observed even though the odds ratio was less than 1 for more than 3 infections. The findings of this large pooled analysis reinforce the hypothesis that day-care center attendance in infancy and prolonged breastfeeding are associated with a decreased risk of ALL.
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Rudant J, Orsi L, Bonaventure A, Goujon-Bellec S, Baruchel A, Petit A, Bertrand Y, Nelken B, Pasquet M, Michel G, Saumet L, Chastagner P, Ducassou S, Réguerre Y, Hémon D, Clavel J. ARID5B, IKZF1 and non-genetic factors in the etiology of childhood acute lymphoblastic leukemia: the ESCALE study. PLoS One 2015; 10:e0121348. [PMID: 25806972 PMCID: PMC4373901 DOI: 10.1371/journal.pone.0121348] [Citation(s) in RCA: 18] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/20/2014] [Accepted: 01/30/2015] [Indexed: 01/18/2023] Open
Abstract
Genome-wide association studies (GWAS) have identified that frequent polymorphisms in ARID5B and IKZF1, two genes involved in lymphoid differentiation, increase the risk of childhood acute lymphoblastic leukemia (ALL). These findings markedly modified the current field of research on the etiology of ALL. In this new context, the present exploratory study investigated the possible interactions between these at-risk alleles and the non-genetic suspected ALL risk factors that were of sufficient prevalence in the French ESCALE study: maternal use of home insecticides during pregnancy, preconception paternal smoking, and some proxies for early immune modulation, i.e. breastfeeding, history of common infections before age one year, and birth order. The analyses were based on 434 ALL cases and 442 controls of European origin, drawn from the nationwide population-based case-control study ESCALE. Information on non-genetic factors was obtained by standardized telephone interview. Interactions between rs10740055 in ARID5B or rs4132601 in IKZF1 and each of the suspected non-genetic factors were tested, with the SNPs coded as counts of minor alleles (trend variable). Statistical interactions were observed between rs4132601 and maternal insecticide use (p = 0.012), breastfeeding p = 0.017) and repeated early common infections (p = 0.0070), with allelic odds ratios (OR) which were only increased among the children not exposed to insecticides (OR = 1.8, 95%CI: 1.3, 2.4), those who had been breastfed (OR = 1.8, 95%CI: 1.3, 2.5) and those who had had repeated early common infections (OR = 2.4, 95%CI: 1.5, 3.8). The allelic ORs were close to one among children exposed to insecticides, who had not been breastfed and who had had no or few common infections. Repeated early common infections interacted with rs10740055 (p = 0.018) in the case-only design. Further studies are needed to evaluate whether these observations of a modification of the effect of the at-risk alleles by non-genetic factors are chance findings or reflect true underlying mechanisms.
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Affiliation(s)
- Jérémie Rudant
- Institut national de la santé et de la recherche médicale (INSERM) U1153, Epidemiology and Biostatistics Sorbonne Paris Cité Center (CRESS), Epidemiology of childhood and adolescent cancers team (EPICEA), Villejuif, France
- Paris-Descartes University, UMRS-1153, Epidemiology and Biostatistics Sorbonne Paris Cité Center (CRESS), Paris, France
- French National Registry of Childhood Hematopoietic Malignancies (RNHE), Villejuif, France
- * E-mail:
| | - Laurent Orsi
- Institut national de la santé et de la recherche médicale (INSERM) U1153, Epidemiology and Biostatistics Sorbonne Paris Cité Center (CRESS), Epidemiology of childhood and adolescent cancers team (EPICEA), Villejuif, France
- Paris-Descartes University, UMRS-1153, Epidemiology and Biostatistics Sorbonne Paris Cité Center (CRESS), Paris, France
| | - Audrey Bonaventure
- Institut national de la santé et de la recherche médicale (INSERM) U1153, Epidemiology and Biostatistics Sorbonne Paris Cité Center (CRESS), Epidemiology of childhood and adolescent cancers team (EPICEA), Villejuif, France
- Paris-Descartes University, UMRS-1153, Epidemiology and Biostatistics Sorbonne Paris Cité Center (CRESS), Paris, France
| | - Stéphanie Goujon-Bellec
- Institut national de la santé et de la recherche médicale (INSERM) U1153, Epidemiology and Biostatistics Sorbonne Paris Cité Center (CRESS), Epidemiology of childhood and adolescent cancers team (EPICEA), Villejuif, France
- Paris-Descartes University, UMRS-1153, Epidemiology and Biostatistics Sorbonne Paris Cité Center (CRESS), Paris, France
- French National Registry of Childhood Hematopoietic Malignancies (RNHE), Villejuif, France
| | - André Baruchel
- Assistance Publique-Hôpitaux de Paris, Hôpital Robert Debré, Paris, France
- Université Paris Diderot-Paris 7, Sorbonne Paris Cité, Paris, France
| | - Arnaud Petit
- Assistance Publique-Hôpitaux de Paris, HUEP, Hôpital Trousseau, Paris, France
- Sorbonne Universités, UPMC Univ Paris 06, UMR S_938, Paris, France
| | - Yves Bertrand
- Institut d’Hémato-Oncologie Pédiatrique, Lyon, France
- Université Claude Bernard Lyon 1, Lyon, France
| | - Brigitte Nelken
- Pôle Enfant, CHRU, Lille, France
- Université Lille Nord de France, Lille, France
| | - Marlène Pasquet
- Hématologie pédiatrique, CHU Toulouse, INSERM U1037, Equipe 16, CRCT, Oncopôle, Toulouse, France
| | - Gérard Michel
- Department of Pediatric Hematology and Oncology, Timone Enfants Hospital, Marseille, France
- Aix-Marseille University, Marseille, France
| | - Laure Saumet
- Hôpital Arnaud de Villeneuve, Montpellier, France
| | | | | | | | - Denis Hémon
- Institut national de la santé et de la recherche médicale (INSERM) U1153, Epidemiology and Biostatistics Sorbonne Paris Cité Center (CRESS), Epidemiology of childhood and adolescent cancers team (EPICEA), Villejuif, France
- Paris-Descartes University, UMRS-1153, Epidemiology and Biostatistics Sorbonne Paris Cité Center (CRESS), Paris, France
| | - Jacqueline Clavel
- Institut national de la santé et de la recherche médicale (INSERM) U1153, Epidemiology and Biostatistics Sorbonne Paris Cité Center (CRESS), Epidemiology of childhood and adolescent cancers team (EPICEA), Villejuif, France
- Paris-Descartes University, UMRS-1153, Epidemiology and Biostatistics Sorbonne Paris Cité Center (CRESS), Paris, France
- French National Registry of Childhood Hematopoietic Malignancies (RNHE), Villejuif, France
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Ajrouche R, Rudant J, Orsi L, Petit A, Baruchel A, Lambilliotte A, Gambart M, Michel G, Bertrand Y, Ducassou S, Gandemer V, Paillard C, Saumet L, Blin N, Hémon D, Clavel J. Childhood acute lymphoblastic leukaemia and indicators of early immune stimulation: the Estelle study (SFCE). Br J Cancer 2015; 112:1017-26. [PMID: 25675150 PMCID: PMC4366894 DOI: 10.1038/bjc.2015.53] [Citation(s) in RCA: 37] [Impact Index Per Article: 4.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/06/2014] [Revised: 01/04/2015] [Accepted: 01/12/2015] [Indexed: 11/29/2022] Open
Abstract
Background: Factors related to early stimulation of the immune system (breastfeeding, proxies for exposure to infectious agents, normal delivery, and exposure to animals in early life) have been suggested to decrease the risk of childhood acute lymphoblastic leukaemia (ALL). Methods: The national registry-based case–control study, ESTELLE, was carried out in France in 2010–2011. Population controls were frequency matched with cases on age and gender. The participation rates were 93% for cases and 86% for controls. Data were obtained from structured telephone questionnaires administered to mothers. Odds ratios (OR) were estimated using unconditional regression models adjusted for age, gender, and potential confounders. Results: In all, 617 ALL and 1225 controls aged ⩾1 year were included. Inverse associations between ALL and early common infections (OR=0.8, 95% confidence interval (CI): 0.6, 1.0), non-first born (⩾3 vs 1; OR=0.7, 95% CI: 0.5, 1.0), attendance of a day-care centre before age 1 year (OR=0.7, 95% CI: 0.5, 1.0), breastfeeding (OR=0.8, 95% CI: 0.7, 1.0), and regular contact with pets (OR=0.8, 95% CI: 0.7, 1.0) in infancy were observed. Conclusions: The results support the hypothesis that conditions promoting the maturation of the immune system in infancy have a protective role with respect to ALL.
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Affiliation(s)
- R Ajrouche
- 1] Epidemiology of childhood and adolescent cancers, CRESS, INSERM U1153, Villejuif, France [2] Paris-Sud University, Le Kremlin Bicêtre, France
| | - J Rudant
- 1] Epidemiology of childhood and adolescent cancers, CRESS, INSERM U1153, Villejuif, France [2] Paris-Descartes University, Paris, France [3] RNHE-National Registry of Childhood Hematopoietic Malignancies, Villejuif, France
| | - L Orsi
- 1] Epidemiology of childhood and adolescent cancers, CRESS, INSERM U1153, Villejuif, France [2] Paris-Descartes University, Paris, France
| | - A Petit
- 1] AP-HP, Hôpital Armand Trousseau, Paris, France [2] Université Paris 6 Pierre et Marie Curie, Paris, France
| | - A Baruchel
- 1] AP-HP, Hôpital Robert Debré, Paris, France [2] Université Paris 7, Paris, France
| | | | - M Gambart
- Hôpital des Enfants, Toulouse, France
| | - G Michel
- AP-HM, Hôpital la Timone, Marseille, France
| | - Y Bertrand
- Institut d'Hématologie et d'Oncologie Pédiatrique, Lyon, France
| | - S Ducassou
- Hôpital Pellegrin Tripode, Bordeaux, France
| | | | - C Paillard
- Hôpital de Hautepierre, Strasbourg, France
| | - L Saumet
- Hôpital Arnaud de Villeneuve, Montpellier, France
| | - N Blin
- Hôpital Mère-Enfant, CHU-Nantes, Nantes, France
| | - D Hémon
- 1] Epidemiology of childhood and adolescent cancers, CRESS, INSERM U1153, Villejuif, France [2] Paris-Descartes University, Paris, France
| | - J Clavel
- 1] Epidemiology of childhood and adolescent cancers, CRESS, INSERM U1153, Villejuif, France [2] Paris-Descartes University, Paris, France [3] RNHE-National Registry of Childhood Hematopoietic Malignancies, Villejuif, France
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Mezei G, Sudan M, Izraeli S, Kheifets L. Epidemiology of childhood leukemia in the presence and absence of Down syndrome. Cancer Epidemiol 2014; 38:479-89. [DOI: 10.1016/j.canep.2014.07.006] [Citation(s) in RCA: 23] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/03/2014] [Revised: 07/10/2014] [Accepted: 07/11/2014] [Indexed: 02/05/2023]
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Laurier D, Grosche B, Auvinen A, Clavel J, Cobaleda C, Dehos A, Hornhardt S, Jacob S, Kaatsch P, Kosti O, Kuehni C, Lightfoot T, Spycher B, Van Nieuwenhuyse A, Wakeford R, Ziegelberger G. Childhood leukaemia risks: from unexplained findings near nuclear installations to recommendations for future research. JOURNAL OF RADIOLOGICAL PROTECTION : OFFICIAL JOURNAL OF THE SOCIETY FOR RADIOLOGICAL PROTECTION 2014; 34:R53-R68. [PMID: 24938793 DOI: 10.1088/0952-4746/34/3/r53] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/03/2023]
Abstract
Recent findings related to childhood leukaemia incidence near nuclear installations have raised questions which can be answered neither by current knowledge on radiation risk nor by other established risk factors. In 2012, a workshop was organised on this topic with two objectives: (a) review of results and discussion of methodological limitations of studies near nuclear installations; (b) identification of directions for future research into the causes and pathogenesis of childhood leukaemia. The workshop gathered 42 participants from different disciplines, extending widely outside of the radiation protection field. Regarding the proximity of nuclear installations, the need for continuous surveillance of childhood leukaemia incidence was highlighted, including a better characterisation of the local population. The creation of collaborative working groups was recommended for consistency in methodologies and the possibility of combining data for future analyses. Regarding the causes of childhood leukaemia, major fields of research were discussed (environmental risk factors, genetics, infections, immunity, stem cells, experimental research). The need for multidisciplinary collaboration in developing research activities was underlined, including the prevalence of potential predisposition markers and investigating further the infectious aetiology hypothesis. Animal studies and genetic/epigenetic approaches appear of great interest. Routes for future research were pointed out.
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Affiliation(s)
- D Laurier
- Institut de Radioprotection et de Sûreté Nucléaire (IRSN), BP 17, F-92262 Fontenay-aux-Roses Cedex, France
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Marcotte EL, Ritz B, Cockburn M, Yu F, Heck JE. Exposure to infections and risk of leukemia in young children. Cancer Epidemiol Biomarkers Prev 2014; 23:1195-203. [PMID: 24793957 DOI: 10.1158/1055-9965.epi-13-1330] [Citation(s) in RCA: 32] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022] Open
Abstract
BACKGROUND Epidemiologic studies indicate that infections in early childhood may protect against pediatric acute lymphoblastic leukemia (ALL). METHODS We identified 3,402 ALL cases among children 0 to 5 years of age using the California Cancer Registry. From California birth records we randomly selected controls in a 20:1 ratio and frequency matched them to cases by birth year. We investigated markers of exposure to infections, including month of birth, timing of birth in relation to influenza and respiratory syncytial virus (RSV) seasons, and birth order based on data from California birth certificates and national infection surveillance systems. RESULTS We observed an increased risk of ALL for spring and summer births, and for those first exposed to an influenza or RSV season at nine to twelve months of age compared with those exposed during the first three months of life, and this association was stronger among first born children [odds ratios (OR), 1.44 and 95% confidence intervals (CI), 1.13-1.82, for influenza exposure at nine to twelve months of age]. Decreased risk was observed with increasing birth order among non-Hispanic whites but not Hispanics (OR, 0.76 and 95% CI, 0.59-096, for fourth or higher birth order among whites). CONCLUSION Our results support the hypothesis that infections in early childhood decrease risk of ALL. IMPACT Our findings implicate early life exposure to infections as protective factors for ALL in young children.
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Affiliation(s)
- Erin L Marcotte
- Authors' Affiliations: Department of Pediatrics, Division of Epidemiology and Clinical Research, University of Minnesota, Minneapolis, Minnesota; Departments of
| | | | - Myles Cockburn
- Department of Preventive Medicine, Keck School of Medicine, University of Southern California, Los Angeles, California
| | - Fei Yu
- Biostatistics, Fielding School of Public Health, University of California; and
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Migliorini G, Fiege B, Hosking FJ, Ma Y, Kumar R, Sherborne AL, da Silva Filho MI, Vijayakrishnan J, Koehler R, Thomsen H, Irving JA, Allan JM, Lightfoot T, Roman E, Kinsey SE, Sheridan E, Thompson P, Hoffmann P, Nöthen MM, Mühleisen TW, Eisele L, Zimmermann M, Bartram CR, Schrappe M, Greaves M, Stanulla M, Hemminki K, Houlston RS. Variation at 10p12.2 and 10p14 influences risk of childhood B-cell acute lymphoblastic leukemia and phenotype. Blood 2013; 122:3298-307. [PMID: 23996088 DOI: 10.1182/blood-2013-03-491316] [Citation(s) in RCA: 118] [Impact Index Per Article: 10.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/08/2023] Open
Abstract
Acute lymphoblastic leukemia (ALL) is the major pediatric cancer diagnosed in economically developed countries with B-cell precursor (BCP)-ALL, accounting for approximately 70% of ALL. Recent genome-wide association studies (GWAS) have provided the first unambiguous evidence for common inherited susceptibility to BCP-ALL, identifying susceptibility loci at 7p12.2, 9p21.3, 10q21.2, and 14q11.2. To identify additional BCP-ALL susceptibility loci, we conducted a GWAS and performed a meta-analysis with a published GWAS totaling 1658 cases and 4723 controls, with validation in 1449 cases and 1488 controls. Combined analysis identified novel loci mapping to 10p12.2 (rs10828317, odds ratio [OR] = 1.23; P = 2.30 × 10(-9)) and 10p14 marked by rs3824662 (OR = 1.31; P = 8.62 × 10(-12)). The single nucleotide polymorphism rs10828317 is responsible for the N215S polymorphism in exon 7 of PIP4K2A, and rs3824662 localizes to intron 3 of the transcription factor and putative tumor suppressor gene GATA3. The rs10828317 association was shown to be specifically associated with hyperdiploid ALL, whereas the rs3824662-associated risk was confined to nonhyperdiploid non-TEL-AML1 + ALL. The risk allele of rs3824662 was correlated with older age at diagnosis (P < .001) and significantly worse event-free survivorship (P < .0001). These findings provide further insights into the genetic and biological basis of inherited genetic susceptibility to BCP-ALL and the influence of constitutional genotype on disease development.
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Affiliation(s)
- Gabriele Migliorini
- Division of Genetics and Epidemiology, Institute of Cancer Research, Sutton, Surrey, United Kingdom
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Urayama KY, Chokkalingam AP, Metayer C, Hansen H, May S, Ramsay P, Wiemels JL, Wiencke JK, Trachtenberg E, Thompson P, Ishida Y, Brennan P, Jolly KW, Termuhlen AM, Taylor M, Barcellos LF, Buffler PA. SNP association mapping across the extended major histocompatibility complex and risk of B-cell precursor acute lymphoblastic leukemia in children. PLoS One 2013; 8:e72557. [PMID: 23991122 PMCID: PMC3749982 DOI: 10.1371/journal.pone.0072557] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/26/2013] [Accepted: 07/12/2013] [Indexed: 02/01/2023] Open
Abstract
The extended major histocompatibility complex (xMHC) is the most gene-dense region of the genome and harbors a disproportionately large number of genes involved in immune function. The postulated role of infection in the causation of childhood B-cell precursor acute lymphoblastic leukemia (BCP-ALL) suggests that the xMHC may make an important contribution to the risk of this disease. We conducted association mapping across an approximately 4 megabase region of the xMHC using a validated panel of single nucleotide polymorphisms (SNPs) in childhood BCP-ALL cases (n=567) enrolled in the Northern California Childhood Leukemia Study (NCCLS) compared with population controls (n=892). Logistic regression analyses of 1,145 SNPs, adjusted for age, sex, and Hispanic ethnicity indicated potential associations between several SNPs and childhood BCP-ALL. After accounting for multiple comparisons, one of these included a statistically significant increased risk associated with rs9296068 (OR=1.40, 95% CI=1.19-1.66, corrected p=0.036), located in proximity to HLA-DOA. Sliding window haplotype analysis identified an additional locus located in the extended class I region in proximity to TRIM27 tagged by a haplotype comprising rs1237485, rs3118361, and rs2032502 (corrected global p=0.046). Our findings suggest that susceptibility to childhood BCP-ALL is influenced by genetic variation within the xMHC and indicate at least two important regions for future evaluation.
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Affiliation(s)
- Kevin Y Urayama
- School of Public Health, University of California, Berkeley, Berkeley, California, USA.
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Childhood acute lymphoblastic leukaemia and birthweight: Insights from a pooled analysis of case–control data from Germany, the United Kingdom and the United States. Eur J Cancer 2013; 49:1437-47. [DOI: 10.1016/j.ejca.2012.11.017] [Citation(s) in RCA: 26] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/23/2012] [Revised: 11/14/2012] [Accepted: 11/15/2012] [Indexed: 11/23/2022]
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