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Ozkan B, Altuner Torun Y, Karakukcu C, Celik B. Soluble Receptor for Advanced Glycation End Products (sRAGE) Level and Its Prognostic Significance in Children with Acute Lymphoblastic Leukemia. CHILDREN (BASEL, SWITZERLAND) 2024; 11:176. [PMID: 38397288 PMCID: PMC10887301 DOI: 10.3390/children11020176] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/11/2024] [Revised: 01/23/2024] [Accepted: 01/27/2024] [Indexed: 02/25/2024]
Abstract
Acute lymphoblastic leukemias are the most common malignancies in childhood. Although its etiology is still unclear, it is thought that disorders in oxidative stress metabolism may contribute to leukemogenesis. Advanced glycation end products (AGEs) are formed as a result of the non-enzymatic binding of sugars to biomolecules. Oxidation reactions are triggered through AGE-Receptor (RAGE) interaction, resulting in the formation of reactive oxygen species. These can play crucial roles in cancer pathogenesis and leukemogenesis. It is thought that sRAGE (soluble RAGE) is the end product of glycation and circulates freely in the circulation by binding to RAGE ligands. We investigate novel leukemia biomarkers and focus on soluble RAGE (sRAGE) for acute lymphoblastic leukemia (ALL) diagnosis and prognosis. Thirty children (1-17 years) diagnosed with ALL were included in the study. Patients were divided into standard, medium, and high risk groups according to the Berlin-Frankfurt-Münster (BFM) treatment protocol. Patients were evaluated twice; at the time of diagnosis and at the sixth month of remission. sRAGE and blood parameters were compared with healthy controls (n = 30, 1-17 years). The sRAGE levels in ALL patients at diagnosis (138.7 ± 177.3 pg/mL) were found to be significantly higher than they were during the sixth month of remission (17.6 ± 21.1 pg/mL) and in healthy controls (22.2 ± 23.7 pg/mL). The cut-off value of the sRAGE level for the diagnosis of ALL was found to be 45 pg/mL in ROC analysis (sensitivity: 73.3%, specificity: 86.7%, AUC: 0.681). At the same time, the sRAGE level was found to be significantly higher in T-ALL patients (490.9 ± 236.9 pg/mL) than in B-ALL patients (84.5 ± 82.7 pg/mL). No significant difference was found in terms of the sRAGE level between standard (45.8± 33.1 pg/mL), medium (212 ± 222.1 pg/mL), and high (143.9 ± 111.5 pg/mL) risk group ALL patients classified according to the BFM protocol. Despite the fact that this was a small, single-center study, our findings highlight the potential use of sRAGE as a biomarker for diagnosing ALL and assessing response to treatment.
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Affiliation(s)
- Busra Ozkan
- Department of Pediatrics, Beylikduzu Public Hospital, Istanbul 34500, Turkey
| | - Yasemin Altuner Torun
- The Faculty of Medicine, Department of Child Hematology and Oncology, Istinye University, Istanbul 34510, Turkey
| | - Cigdem Karakukcu
- The Faculty of Medicine, Department of Biochemistry, Erciyes University, Kayseri 38039, Turkey
| | - Binnaz Celik
- Department of Pediatrics, Kayseri City Education and Research Hospital, Kayseri 38080, Turkey
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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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Prieto-Bermejo R, Romo-González M, Pérez-Fernández A, Ijurko C, Hernández-Hernández Á. Reactive oxygen species in haematopoiesis: leukaemic cells take a walk on the wild side. JOURNAL OF EXPERIMENTAL & CLINICAL CANCER RESEARCH : CR 2018; 37:125. [PMID: 29940987 PMCID: PMC6019308 DOI: 10.1186/s13046-018-0797-0] [Citation(s) in RCA: 76] [Impact Index Per Article: 12.7] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 04/11/2018] [Accepted: 06/15/2018] [Indexed: 02/08/2023]
Abstract
Oxidative stress is related to ageing and degenerative diseases, including cancer. However, a moderate amount of reactive oxygen species (ROS) is required for the regulation of cellular signalling and gene expression. A low level of ROS is important for maintaining quiescence and the differentiation potential of haematopoietic stem cells (HSCs), whereas the level of ROS increases during haematopoietic differentiation; thus, suggesting the importance of redox signalling in haematopoiesis. Here, we will analyse the importance of ROS for haematopoiesis and include evidence showing that cells from leukaemia patients live under oxidative stress. The potential sources of ROS will be described. Finally, the level of oxidative stress in leukaemic cells can also be harnessed for therapeutic purposes. In this regard, the reliance of front-line anti-leukaemia chemotherapeutics on increased levels of ROS for their mechanism of action, as well as the active search for novel compounds that modulate the redox state of leukaemic cells, will be analysed.
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Affiliation(s)
- Rodrigo Prieto-Bermejo
- Department of Biochemistry and Molecular Biology, University of Salamanca, Lab. 122, Edificio Departamental, Plaza Doctores de la Reina s/n, 37007, Salamanca, Spain.,IBSAL (Instituto de investigación Biomédica de Salamanca), Salamanca, Spain
| | - Marta Romo-González
- Department of Biochemistry and Molecular Biology, University of Salamanca, Lab. 122, Edificio Departamental, Plaza Doctores de la Reina s/n, 37007, Salamanca, Spain.,IBSAL (Instituto de investigación Biomédica de Salamanca), Salamanca, Spain
| | - Alejandro Pérez-Fernández
- Department of Biochemistry and Molecular Biology, University of Salamanca, Lab. 122, Edificio Departamental, Plaza Doctores de la Reina s/n, 37007, Salamanca, Spain.,IBSAL (Instituto de investigación Biomédica de Salamanca), Salamanca, Spain
| | - Carla Ijurko
- Department of Biochemistry and Molecular Biology, University of Salamanca, Lab. 122, Edificio Departamental, Plaza Doctores de la Reina s/n, 37007, Salamanca, Spain.,IBSAL (Instituto de investigación Biomédica de Salamanca), Salamanca, Spain
| | - Ángel Hernández-Hernández
- Department of Biochemistry and Molecular Biology, University of Salamanca, Lab. 122, Edificio Departamental, Plaza Doctores de la Reina s/n, 37007, Salamanca, Spain. .,IBSAL (Instituto de investigación Biomédica de Salamanca), Salamanca, Spain.
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Hernández-González O, Ortiz-Zamudio JJ, Rodríguez-Pinal CJ, Alvarado-Morales I, Martínez-Jiménez VDC, Salazar-González RA, Correa-González LC, Gómez R, Portales-Pérez DP, Milán-Segovia RDC. Genetic polymorphisms of arylamine N-acetyltransferases 1 and 2 and the likelihood of developing pediatric acute lymphoblastic leukemia. Leuk Lymphoma 2017; 59:1968-1975. [DOI: 10.1080/10428194.2017.1406090] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/18/2022]
Affiliation(s)
- Oswaldo Hernández-González
- Laboratorio de Biofarmacia y Farmacocinética, Facultad de Ciencias Químicas, Universidad Autónoma de San Luis Potosí, San Luis Potosí, SLP, México
| | | | - Cristian Jazmín Rodríguez-Pinal
- Laboratorio de Biofarmacia y Farmacocinética, Facultad de Ciencias Químicas, Universidad Autónoma de San Luis Potosí, San Luis Potosí, SLP, México
| | - Ildemar Alvarado-Morales
- Laboratorio de Biofarmacia y Farmacocinética, Facultad de Ciencias Químicas, Universidad Autónoma de San Luis Potosí, San Luis Potosí, SLP, México
| | - Verónica del Carmen Martínez-Jiménez
- Laboratorio de Biofarmacia y Farmacocinética, Facultad de Ciencias Químicas, Universidad Autónoma de San Luis Potosí, San Luis Potosí, SLP, México
| | - Raúl Alejandro Salazar-González
- Laboratorio de Biofarmacia y Farmacocinética, Facultad de Ciencias Químicas, Universidad Autónoma de San Luis Potosí, San Luis Potosí, SLP, México
| | | | - Rocío Gómez
- Departamento de Toxicología, Cinvestav-IPN, Ciudad de México, México
| | - Diana Patricia Portales-Pérez
- Laboratorio de Biofarmacia y Farmacocinética, Facultad de Ciencias Químicas, Universidad Autónoma de San Luis Potosí, San Luis Potosí, SLP, México
| | - Rosa del Carmen Milán-Segovia
- Laboratorio de Biofarmacia y Farmacocinética, Facultad de Ciencias Químicas, Universidad Autónoma de San Luis Potosí, San Luis Potosí, SLP, México
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Karalexi MA, Dessypris N, Skalkidou A, Biniaris-Georgallis SI, Kalogirou ΕΙ, Thomopoulos TP, Herlenius E, Spector LG, Loutradis D, Chrousos GP, Petridou ET. Maternal fetal loss history and increased acute leukemia subtype risk in subsequent offspring: a systematic review and meta-analysis. Cancer Causes Control 2017; 28:599-624. [PMID: 28401353 DOI: 10.1007/s10552-017-0890-2] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/21/2016] [Accepted: 03/25/2017] [Indexed: 10/19/2022]
Abstract
PURPOSE History of fetal loss including miscarriage and stillbirth has been inconsistently associated with childhood (0-14 years) leukemia in subsequent offspring. A quantitative synthesis of the inconclusive literature by leukemia subtype was therefore conducted. METHODS Eligible studies (N = 32) were identified through the screening of over 3500 publications. Random-effects meta-analyses were conducted on the association of miscarriage/stillbirth history with overall (AL; 18,868 cases/35,685 controls), acute lymphoblastic (ALL; 16,150 cases/38,655 controls), and myeloid (AML; 3042 cases/32,997 controls) leukemia. Sensitivity and subgroup analyses by age and ALL subtype, as well as meta-regression were undertaken. RESULTS Fetal loss history was associated with increased AL risk [Odds Ratio (OR) 1.10, 95% Confidence Intervals (CI) 1.04-1.18]. The positive association was seen for ALL (OR 1.12, 95%CI 1.05-1.19) and for AML (OR 1.13, 95%CI 0.91-1.41); for the latter the OR increased in sensitivity analyses. Notably, stillbirth history was significantly linked to ALL risk (OR 1.33, 95%CI 1.02-1.74), but not AML. By contrast, the association of ALL and AML with previous miscarriage reached marginal significance. The association of miscarriage history was strongest in infant ALL (OR 2.34, 95%CI 1.19-4.60). CONCLUSIONS In this meta-analysis involving >50,000 children, we found noteworthy associations by indices of fetal loss, age at diagnosis, and leukemia type; namely, of stillbirth with ALL and miscarriage history with infant ALL. Elucidation of plausible underlying mechanisms may provide insight into leukemia pathogenesis and indicate monitoring interventions prior to and during pregnancy.
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Affiliation(s)
- M A Karalexi
- Department of Hygiene, Epidemiology and Medical Statistics, School of Medicine, University of Athens, 75 Mikras Asias Str, 11527, Athens, Greece
| | - N Dessypris
- Department of Hygiene, Epidemiology and Medical Statistics, School of Medicine, University of Athens, 75 Mikras Asias Str, 11527, Athens, Greece
| | - A Skalkidou
- Department of Women's and Children's Health, Uppsala University, Uppsala, Sweden
| | - S -I Biniaris-Georgallis
- Department of Hygiene, Epidemiology and Medical Statistics, School of Medicine, University of Athens, 75 Mikras Asias Str, 11527, Athens, Greece
| | - Ε Ι Kalogirou
- Department of Hygiene, Epidemiology and Medical Statistics, School of Medicine, University of Athens, 75 Mikras Asias Str, 11527, Athens, Greece
| | - T P Thomopoulos
- Department of Hygiene, Epidemiology and Medical Statistics, School of Medicine, University of Athens, 75 Mikras Asias Str, 11527, Athens, Greece
| | - E Herlenius
- Department of Women's and Children׳s Health, Karolinska Institutet and Karolinska University Hospital, 17176, Stockholm, Sweden
| | - L G Spector
- Division of Pediatric Epidemiology and Clinical Research, Department of Pediatrics, University of Minnesota, Minneapolis, MN, USA
| | - D Loutradis
- First Department of Obstetrics and Gynecology of the University of Athens, Alexandra Hospital, Athens, Greece
| | - G P Chrousos
- First Department of Pediatrics, University of Athens, Medical School, Aghia Sophia Children's Hospital, Athens, Greece
| | - E Th Petridou
- Department of Hygiene, Epidemiology and Medical Statistics, School of Medicine, University of Athens, 75 Mikras Asias Str, 11527, Athens, Greece.
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Lymphohematopoietic cancers induced by chemicals and other agents and their implications for risk evaluation: An overview. MUTATION RESEARCH-REVIEWS IN MUTATION RESEARCH 2014; 761:40-64. [PMID: 24731989 DOI: 10.1016/j.mrrev.2014.04.001] [Citation(s) in RCA: 26] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/05/2013] [Revised: 04/02/2014] [Accepted: 04/03/2014] [Indexed: 12/13/2022]
Abstract
Lymphohematopoietic neoplasia are one of the most common types of cancer induced by therapeutic and environmental agents. Of the more than 100 human carcinogens identified by the International Agency for Research on Cancer, approximately 25% induce leukemias or lymphomas. The objective of this review is to provide an introduction into the origins and mechanisms underlying lymphohematopoietic cancers induced by xenobiotics in humans with an emphasis on acute myeloid leukemia, and discuss the implications of this information for risk assessment. Among the agents causing lymphohematopoietic cancers, a number of patterns were observed. Most physical and chemical leukemia-inducing agents such as the therapeutic alkylating agents, topoisomerase II inhibitors, and ionizing radiation induce mainly acute myeloid leukemia through DNA-damaging mechanisms that result in either gene or chromosomal mutations. In contrast, biological agents and a few immunosuppressive chemicals induce primarily lymphoid neoplasms through mechanisms that involve alterations in immune response. Among the environmental agents examined, benzene was clearly associated with acute myeloid leukemia in humans, with increasing but still limited evidence for an association with lymphoid neoplasms. Ethylene oxide and 1,3-butadiene were linked primarily to lymphoid cancers. Although the association between formaldehyde and leukemia remains controversial, several recent evaluations have indicated a potential link between formaldehyde and acute myeloid leukemia. The four environmental agents examined in detail were all genotoxic, inducing gene mutations, chromosomal alterations, and/or micronuclei in vivo. Although it is clear that rapid progress has been made in recent years in our understanding of leukemogenesis, many questions remain for future research regarding chemically induced leukemias and lymphomas, including the mechanisms by which the environmental agents reviewed here induce these diseases and the risks associated with exposures to such agents.
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Almondes KGDS, de Oliveira TF, Siviero-Miachon AA, Lee MLDM, Rondó PHDC, Loureiro APDM, Spinola-Castro AM, Cozzolino SMF. Selenium inadequacy is not associated with oxidative stress in child and adolescent acute lymphocytic leukemia survivors. Nutrition 2013; 30:563-8. [PMID: 24698347 DOI: 10.1016/j.nut.2013.10.012] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/20/2013] [Revised: 08/26/2013] [Accepted: 10/28/2013] [Indexed: 11/27/2022]
Abstract
OBJECTIVE Acute lymphocytic leukemia (ALL) and its subsequent treatment may provoke increased oxidative stress. The aim of this study was to investigate the antioxidant status of children and adolescents who had received ALL therapy, and to test the hypothesis that selenium (Se) inadequacy is correlated with reduced defenses against oxidative stress in this population. METHODS This case-control study involved 24 patients between ages 5 and 13 y who had been treated successfully for ALL (ALL group) and 60 children of similar age and socioeconomic background with no clinical history of leukemia (control group). Dietary intake of Se was evaluated by the 24-h recall method, and the concentrations of Se in plasma, erythrocytes, and urine determined. Antioxidant status was assessed by analysis of the oxidative stress markers, namely, superoxide dismutase (SOD), glutathione peroxidase (GPx), malondialdehyde (MDA), α-tocopherol, and 8-oxo-deoxyguanosine (8-oxo-dG). RESULTS There were no between-group differences with respect to plasma (P = 0.122), erythrocyte (P = 0.202), urinary (P = 0.608), or dietary (P = 0.757) levels of Se. GPx activity was significantly (P < 0.001) reduced in the ALL group compared with the control group, whereas SOD activity and MDA concentrations were similar. The concentrations of α-tocopherol and 8-oxo-dG were significantly increased in the ALL group compared with the control group (P < 0.001 and P = 0.031, respectively). CONCLUSION All participants were Se inadequate, but such inadequacy was not correlated with reduced defenses against oxidative stress. However, individuals of the ALL group were with increased oxidative stress compared with the control group, possibly due to previous disease and to intensive polychemotherapy.
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Affiliation(s)
| | - Tiago Franco de Oliveira
- Departamento de Análises Clínicas e Toxicológicas, Faculdade de Ciências Farmacêuticas, Universidade de São Paulo, São Paulo, Brazil
| | | | | | | | - Ana Paula de Melo Loureiro
- Departamento de Análises Clínicas e Toxicológicas, Faculdade de Ciências Farmacêuticas, Universidade de São Paulo, São Paulo, Brazil
| | - Angela Maria Spinola-Castro
- Divisão de Endocrinologia Pediátrica, Departamento de Pediatria, Universidade Federal de São Paulo, São Paulo, Brazil
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Murphy MH. Health promotion in adolescent and young adult cancer survivors: mobilizing compliance in a multifaceted risk profile. J Pediatr Oncol Nurs 2013; 30:139-52. [PMID: 23625640 DOI: 10.1177/1043454213486194] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/09/2023] Open
Abstract
With rising cure rates of childhood cancer, nurse practitioners have an increased chance of encountering a large survivor cohort in practice. A variety of late effects programs exist; however, funding is limited for these programs and is not accessible for all patients. Primary providers may increasingly act as a medical home for childhood cancer survivors (CCS). Understanding the inherent risks of cytotoxic treatment and the progressive consequences of late effects is vital to limit morbidity and mortality. Adolescent and young adult survivors (AYA) are particularly apt to make health behavior decisions that create risks for comorbidities. Developmentally appropriate experimentation with drug, alcohol, or tobacco use and increased ultraviolet ray exposure intensifies the risk for secondary malignancies and novel diseases. The paucity of evidence-based surveillance guidelines and survivor-specific health promotion programs cumulatively widen the gap in noncompliance and misinformation. This article overviews the risk profile of CCS. It explores health practices, as well as emerging health promotion techniques, within the AYA survivor population and the role nurse practitioners have in enhancing health maintenance.
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Irwin ME, Rivera-Del Valle N, Chandra J. Redox control of leukemia: from molecular mechanisms to therapeutic opportunities. Antioxid Redox Signal 2013; 18:1349-83. [PMID: 22900756 PMCID: PMC3584825 DOI: 10.1089/ars.2011.4258] [Citation(s) in RCA: 97] [Impact Index Per Article: 8.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/24/2022]
Abstract
Reactive oxygen species (ROS) play both positive and negative roles in the proliferation and survival of a cell. This dual nature has been exploited by leukemia cells to promote growth, survival, and genomic instability-some of the hallmarks of the cancer phenotype. In addition to altered ROS levels, many antioxidants are dysregulated in leukemia cells. Together, the production of ROS and the expression and activity of antioxidant enzymes make up the primary redox control of leukemia cells. By manipulating this system, leukemia cells gain proliferative and survival advantages, even in the face of therapeutic insults. Standard treatment options have improved leukemia patient survival rates in recent years, although relapse and the development of resistance are persistent challenges. Therapies targeting the redox environment show promise for these cases. This review highlights the molecular mechanisms that control the redox milieu of leukemia cells. In particular, ROS production by the mitochondrial electron transport chain, NADPH oxidase, xanthine oxidoreductase, and cytochrome P450 will be addressed. Expression and activation of antioxidant enzymes such as superoxide dismutase, catalase, heme oxygenase, glutathione, thioredoxin, and peroxiredoxin are perturbed in leukemia cells, and the functional consequences of these molecular alterations will be described. Lastly, we delve into how these pathways can be potentially exploited therapeutically to improve treatment regimens and promote better outcomes for leukemia patients.
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Affiliation(s)
- Mary E Irwin
- Department of Pediatrics Research, Children's Cancer Hospital, The University of Texas MD Anderson Cancer Center, Houston, Texas 77030, USA
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Akbayram S, Akgun C, Peker E, Bulut MD, Aktar F, Oner AF. T-cell lymphoblastic leukemia as a rare cause of bilateral nephromegaly. J Emerg Med 2012; 43:e65-6. [PMID: 22365528 DOI: 10.1016/j.jemermed.2011.07.035] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/03/2010] [Accepted: 07/27/2011] [Indexed: 10/28/2022]
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Raunig JM, Yamauchi Y, Ward MA, Collier AC. Assisted reproduction technologies alter steroid delivery to the mouse fetus during pregnancy. J Steroid Biochem Mol Biol 2011; 126:26-34. [PMID: 21193037 PMCID: PMC3114261 DOI: 10.1016/j.jsbmb.2010.12.012] [Citation(s) in RCA: 21] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/01/2010] [Revised: 12/16/2010] [Accepted: 12/17/2010] [Indexed: 11/20/2022]
Abstract
Assisted reproduction technologies (ART) include in vitro fertilization (IVF) and intracytoplasmic sperm injection (ICSI), and are common treatments for infertility. Although generally successful, ART warrant further investigations due to emerging perinatal issues, especially low birth weight. Herein we extend our previous work demonstrating higher steroid clearance in murine ART placentas by examining steroid biosynthesis and the directional flow of steroids in the maternal-placental-fetal units. The activities of the major steroidogenic enzymes 3β-hydroxysteroid dehydrogenase (3β-HSD) and cytochrome P450 17-αhydroxylase (CYP17) were assessed in maternal liver and ovaries and fetal livers as were levels of cholesterol, progesterone, estrone (E1), and estradiol (E2) in the maternal, placental and fetal units. No structural abnormalities were found in placentas from ART. Although ART increased 3β-HSD activity in maternal livers, there were no other changes in 3β-HSD- or CYP17-mediated steroidogenesis. Cholesterol levels were significantly lower in maternal livers of ICSI pregnancies and in placentas from both IVF and ICSI pregnancies but not altered in the fetal livers. Progesterone levels were higher in maternal and fetal livers in IVF and ICSI, respectively, but were significantly lowered in ICSI placentas, compared to normal fertilization. For estrogenic hormones, no differences in E1 or E2 levels were observed in maternal livers but ICSI significantly increased both E1 and E2 levels in placentas while both IVF and ICSI significantly lowered E1 but raised E2 levels in fetal livers. In summary, while steroid production was normal, steroid diffusion/flow from mother to fetus was altered in murine pregnancies conceived by ART. This appears to occur, at least in part; through placental mechanisms. Impaired cholesterol and steroid transfer may affect correct regulation of fetal growth and development.
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Affiliation(s)
- Jefferey M. Raunig
- Department of Tropical Medicine, Medical Microbiology and Pharmacology, John A. Burns School of Medicine, University of Hawaii Manoa, Honolulu, HI 96813
- Institute for Biogenesis Research, John A. Burns School of Medicine, University of Hawaii Manoa, Honolulu, HI 96813
| | - Yasuhiro Yamauchi
- Institute for Biogenesis Research, John A. Burns School of Medicine, University of Hawaii Manoa, Honolulu, HI 96813
| | - Monika A. Ward
- Institute for Biogenesis Research, John A. Burns School of Medicine, University of Hawaii Manoa, Honolulu, HI 96813
| | - Abby C. Collier
- Department of Tropical Medicine, Medical Microbiology and Pharmacology, John A. Burns School of Medicine, University of Hawaii Manoa, Honolulu, HI 96813
- Institute for Biogenesis Research, John A. Burns School of Medicine, University of Hawaii Manoa, Honolulu, HI 96813
- Contact: Abby C. Collier JABSOM Biosciences 320, 651 Ilalo St Honolulu, HI 96813 Phone: 808-692-1613 Fax 808-692-1979
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Vaitkevičienė G, Forestier E, Hellebostad M, Heyman M, Jonsson OG, Lähteenmäki PM, Rosthoej S, Söderhäll S, Schmiegelow K. High white blood cell count at diagnosis of childhood acute lymphoblastic leukaemia: biological background and prognostic impact. Results from the NOPHO ALL-92 and ALL-2000 studies. Eur J Haematol 2010; 86:38-46. [DOI: 10.1111/j.1600-0609.2010.01522.x] [Citation(s) in RCA: 32] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
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Association between the methylenetetrahydrofolate reductase polymorphisms and risk of acute lymphoblastic leukemia in Serbian children. J Pediatr Hematol Oncol 2010; 32:e148-50. [PMID: 20445408 DOI: 10.1097/mph.0b013e3181cbd252] [Citation(s) in RCA: 19] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
Abstract
Methylenetetrahydrofolate reductase (MTHFR) regulates the metabolism of folate and methionine, essential components of DNA synthesis and methylation. Polymorphisms in the MTHFR gene have been associated with susceptibility to some types of cancer. We investigated a possible association of MTHFR polymorphisms (677C>T and 1298A>C) and increased risk for acute lymphoblastic leukemia in 78 affected children. The frequencies of both MTHFR 677 genotypes and alleles were significantly different between patients and controls. A significant association between CT/TT individuals and reduced risk of acute lymphoblastic leukemia was found. The odds ratios were 0.53 (95% confidence interval, 032-0.89) and 0.30 (95% confidence interval, 0.12-0.81). Polymorphism 1298 did not show statistical difference between patients and controls.
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Han S, Lee KM, Park SK, Lee JE, Ahn HS, Shin HY, Kang HJ, Koo HH, Seo JJ, Choi JE, Ahn YO, Kang D. Genome-wide association study of childhood acute lymphoblastic leukemia in Korea. Leuk Res 2010; 34:1271-4. [PMID: 20189245 DOI: 10.1016/j.leukres.2010.02.001] [Citation(s) in RCA: 42] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/16/2009] [Revised: 01/20/2010] [Accepted: 02/01/2010] [Indexed: 02/01/2023]
Abstract
We conducted a genome-wide association study of childhood acute lymphoblastic leukemia (ALL) in a case-control study conducted in Korea. Incident childhood ALL cases (n=50) and non-cancer controls (n=50) frequency-matched to cases by age and sex, recruited from three teaching hospitals in Seoul between 2003 and 2008, were genotyped using Affymetrix SNP Array 6.0 platform. ALL risks were estimated as odds ratios (ORs) and 95% confidence intervals (CIs) adjusted for age and birth weight. The false discovery rate (FDR) was used for adjusting multiple tests. Of these 1 million SNPs, six SNPs in 4 genes (HAO1 rs6140264, EPB41L2 rs9388856, rs9388857, rs1360756, C2orf3 12105972, MAN2A1 rs3776932) were strongly associated with childhood ALL risk (P(dominant)<or=0.0001 and P(trend)<0.006). These SNPs remained significant after FDR adjustment (FDR value <0.2). Our genome-wide association study in Korea children identified a few genetic variations as potential susceptibility markers for ALL, warranting further replication studies among various ethnic groups.
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Affiliation(s)
- Sohee Han
- Department of Preventive Medicine, Seoul National University College of Medicine, Seoul, Republic of Korea
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Doğan M, Bay A, Bora A, Açıkgöz M, Öner AF. Massively Enlarged Kidneys Due to
Leukemic Infiltration in
a Child. ELECTRONIC JOURNAL OF GENERAL MEDICINE 2010. [DOI: 10.29333/ejgm/82835] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
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Genetic susceptibility to childhood acute lymphoblastic leukemia shows protection in Malay boys: results from the Malaysia-Singapore ALL Study Group. Leuk Res 2009; 34:276-83. [PMID: 19651439 DOI: 10.1016/j.leukres.2009.07.003] [Citation(s) in RCA: 40] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/19/2009] [Revised: 06/22/2009] [Accepted: 07/02/2009] [Indexed: 11/22/2022]
Abstract
To study genetic epidemiology of childhood acute lymphoblastic leukemia (ALL) in the Chinese and Malays, we investigated 10 polymorphisms encoding carcinogen- or folate-metabolism and transport. Sex-adjusted analysis showed NQO1 609CT significantly protects against ALL, whilst MTHFR 677CT confers marginal protection. Interestingly, we observed that NQO1 609CT and MTHFR 1298 C-allele have greater genetic impact in boys than in girls. The combination of SLC19A1 80GA heterozygosity and 3'-TYMS -6bp/-6bp homozygous deletion is associated with reduced ALL risk in Malay boys. Our study has suggested the importance of gender and race in modulating ALL susceptibility via the folate metabolic pathway.
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Tower RL, Spector LG. The Epidemiology of Childhood Leukemia with a Focus on Birth Weight and Diet. Crit Rev Clin Lab Sci 2008; 44:203-42. [PMID: 17453918 DOI: 10.1080/10408360601147536] [Citation(s) in RCA: 44] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/23/2022]
Abstract
Leukemia is the most common childhood cancer and a major source of morbidity and mortality. The etiology of childhood leukemia remains largely unknown. Cytogenetic abnormalities determine disease subtypes, prognosis, clinical presentation, and course and may help in discovering etiological factors. Epidemiologic investigations of leukemia are complicated by many factors, including the rarity of the disease, necessitating careful study design. Two emerging areas of interest in leukemia etiology are birth weight and diet. High birth weight has been associated with increased risk of childhood leukemia. The biological mechanism behind this association may involve insulin-like growth factor I (IGF-I), which is associated with high birth weight. IGF-I may act by increasing the absolute number of stem cells available for transformation, stimulating the growth of cells that are already transformed, or a combination of effects. Diet has been linked with leukemia. Maternal dietary DNA topoisomerase II (DNAt2) inhibitor intake is associated with infant acute myeloid leukemia (AML) with the MLL gene translocation. Increased intake of fruits and vegetables has been associated with decreased leukemia risk and, relatedly, lack of maternal folate supplementation has been associated with increased childhood leukemia risk, possibly by causing DNA hypomethylation and increased DNA strand breaks. Methylenetetrahydrofolate reductase (MTHFR) gene polymorphisms modify this risk.
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Affiliation(s)
- Richard L Tower
- Department of Pediatrics, University of Minnesota, Minneapolis, Minnesota 55455, USA
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18
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Measurement of oxidative stress and antioxidant status in acute lymphoblastic leukemia patients. Clin Biochem 2008; 41:511-8. [PMID: 18313403 DOI: 10.1016/j.clinbiochem.2008.01.027] [Citation(s) in RCA: 97] [Impact Index Per Article: 6.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/01/2007] [Revised: 12/27/2007] [Accepted: 01/28/2008] [Indexed: 12/24/2022]
Abstract
OBJECTIVES To evaluate the oxidative status and antioxidant defense in patients with acute lymphoblastic leukemia (ALL). DESIGN AND METHODS We measured concentrations of plasmatic thiobarbituric acid reactive substances (TBARS), serum protein carbonylation, whole blood catalase (CAT) and superoxide dismutase (SOD) activities, as well as the plasmatic and erythrocyte thiol levels and serum vitamin E concentration. This study was performed on 80 children with ALL divided into 4 groups: just diagnosed, remission induction, remission maintenance and out-of-treatment. RESULTS TBARS levels and serum protein carbonylation were higher in ALL patients than in controls and reduced levels of antioxidants were found in these patients. CONCLUSION These findings may indicate a possible link between decreased antioxidants and increased levels of cells alterations due to oxidative damage, supporting the idea that there is a persistence of oxidative stress in acute lymphoblastic leukemia.
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Wang ZH, Gao L, Li YY, Zhang Z, Yuan JM, Wang HW, Zhang L, Zhu L. Induction of apoptosis by buckwheat trypsin inhibitor in chronic myeloid leukemia K562 cells. Biol Pharm Bull 2007; 30:783-6. [PMID: 17409520 DOI: 10.1248/bpb.30.783] [Citation(s) in RCA: 18] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
Abstract
Buckwheat is an ancient and specialty grain in China. Due to its unique chemical and bio-activity components, buckwheat has been found to have many uses in food products and medicine. However, very little is known about the toxicity of protease inhibitors from buckwheat. Here, the possible effects of a recombinant buckwheat trypsin inhibitor (rBTI) on the induction of apoptosis of the human K562 cell line were investigated by MTT (3-[4,5-dimethylthiazol-2-yl]-2,5-diphenyltetrazolium bromide) assays and flow cytometric analysis. MTT assay showed that rBTI could specifically inhibit the growth of K562 cells in a dose-dependent manner, but there were minimal effects on normal human peripheral blood mononuclear cells (PBMCs). Furthermore, comparison the effects of rBTI on K562 cells with those of negative control (BSA and the complex of BSA and rBTI) revealed that rBTI was highly toxic to K562 cells, and BSA hardly had any inhibition on proliferation in K562 cells. The analysis of flow cytometric indicated that the apoptosis of K562 cells were 31.0%, 32.8%, 35.3% and 52.1% after treated by rBTI in range of 12.5-100 microg/ml, respectively. The results suggested that rBTI can induce apoptosis of K562 cells and that it might be a potential protein drug of the trypsin inhibitor family.
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Affiliation(s)
- Zhuan-Hua Wang
- Key Laboratory for Chemical Biology and Molecular Engineering of Ministry of Education, Institute of Biotechnology, Shanxi University, People's Republic of China.
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Abstract
It is becoming more evident that not only can drugs and environmental chemicals interfere with normal fetal development by causing structural malformations, such as limb defects, but that xenobiotic exposure during development can also cause biochemical and functional abnormalities that may ultimately lead to cancer later on in life. Fetal toxicity may be partly mediated by the embryonic bioactivation of xenobiotics to free radical intermediates that can lead to oxidative stress and potentially lead, in some cases, to carcinogenesis. Using a number of examples, this review will focus on the role of reactive oxygen species (ROS) in the mechanisms pertaining to in utero initiated cancers.
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Affiliation(s)
- Joanne Wan
- Department of Pharmacology and Toxicology, School of Environmental Studies, Queen's University, Kingston, Ontario, Canada
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Geens M, Van de Velde H, De Block G, Goossens E, Van Steirteghem A, Tournaye H. The efficiency of magnetic-activated cell sorting and fluorescence-activated cell sorting in the decontamination of testicular cell suspensions in cancer patients. Hum Reprod 2006; 22:733-42. [PMID: 17082221 DOI: 10.1093/humrep/del418] [Citation(s) in RCA: 86] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/15/2023] Open
Abstract
BACKGROUND Before clinical application, the feasibility and safety of autologous testicular stem cell transplantation should be explored. Apart from limitations in their numbers, spermatogonial stem cells may also be contaminated by malignant cells. Therefore, both enrichment and decontamination before transplantation may be necessary. This study aimed at evaluating the decontaminating potential of magnetic-activated cell sorting (MACS) and/or fluorescence-activated cell sorting (FACS) for both murine and human testicular cell suspensions. In the mouse, the effectiveness of the transplantation technique after cell sorting was also assessed. METHODS Murine testicular cells were contaminated with 5% EL4 cells. Fresh and frozen-thawed suspensions were sorted using MACS (CD49f (+)) and FACS (CD49f(+), H-2Kb(-)) and evaluated by FACS, cell culture and transplantation into W/W(v) mice. Human testicular cells were contaminated with 5 or 0.05% CCRF-SB (SB) cells. Frozen-thawed suspensions were sorted using FACS (HLA class I(-)) and evaluated by FACS, cell culture and PCR for the B-cell receptor. RESULTS In the mouse, the sorted fractions contained 0.39% H-2K(b)-positive and 76.55% CD49f-positive cells. After transplantation, 1 in 20 recipient mice developed a malignancy. In the human experiments, an average of 0.58% SB cells was detected after sorting. In only 1 of 11 samples, there were no SB cells observed. CONCLUSION MACS and/or FACS are insufficient for completely depleting testicular tissue of malignant cells. Although more research on alternative decontamination techniques is necessary, developing a reliable method to screen a priori testicular tissue for malignant cells may be equally important.
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Affiliation(s)
- M Geens
- Research Centre for Reproduction and Genetics, University Hospital and Medical School, Vrije Universiteit Brussel, Belgium.
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