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Ikonomidou C. Cerebrospinal Fluid Biomarkers in Childhood Leukemias. Cancers (Basel) 2021; 13:cancers13030438. [PMID: 33498882 PMCID: PMC7866046 DOI: 10.3390/cancers13030438] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/23/2020] [Revised: 01/19/2021] [Accepted: 01/20/2021] [Indexed: 02/06/2023] Open
Abstract
Involvement of the central nervous system (CNS) in childhood leukemias remains a major cause of treatment failures. Analysis of the cerebrospinal fluid constitutes the most important diagnostic pillar in the detection of CNS leukemia and relies primarily on cytological and flow-cytometry studies. With increasing survival rates, it has become clear that treatments for pediatric leukemias pose a toll on the developing brain, as they may cause acute toxicities and persistent neurocognitive deficits. Preclinical research has demonstrated that established and newer therapies can injure and even destroy neuronal and glial cells in the brain. Both passive and active cell death forms can result from DNA damage, oxidative stress, cytokine release, and acceleration of cell aging. In addition, chemotherapy agents may impair neurogenesis as well as the function, formation, and plasticity of synapses. Clinical studies show that neurocognitive toxicity of chemotherapy is greatest in younger children. This raises concerns that, in addition to injury, chemotherapy may also disrupt crucial developmental events resulting in impairment of the formation and efficiency of neuronal networks. This review presents an overview of studies demonstrating that cerebrospinal fluid biomarkers can be utilized in tracing both CNS disease and neurotoxicity of administered treatments in childhood leukemias.
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Affiliation(s)
- Chrysanthy Ikonomidou
- Department of Neurology, University of Wisconsin Madison, 1685 Highland Avenue, Madison, WI 53705, USA
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2
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Hooke MC, Hatch D, Hockenberry MJ, Whitman S, Moore I, Montgomery D, Marano K, Mitby P, Scheurer ME, Taylor O, Pan W. The Longitudinal Parallel Process Analysis of Biomarkers of Oxidative Stress, Symptom Clusters, and Cognitive Function in Children With Leukemia. J Pediatr Oncol Nurs 2020; 37:244-254. [PMID: 32141369 DOI: 10.1177/1043454220909785] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/22/2023] Open
Abstract
Background: During treatment for acute lymphoblastic leukemia (ALL), children report co-occurring symptoms of fatigue, sleep disturbance, pain, nausea, and depression as a symptom cluster. Central nervous system-directed ALL therapies also put children at risk for cognitive impairments. Cancer therapies can cause an increase in oxidative stress, which may contribute to treatment-related symptoms. This study examined the longitudinal relationships between biomarkers of oxidative stress in the cerebrospinal fluid, the Childhood Cancer Symptom Cluster-Leukemia (CCSC-L), and cognition, in children over the first year of ALL treatment. Methods: Glutathione (GSH) biomarkers of oxidative stress were measured in cerebrospinal fluid collected during treatment lumbar punctures. GSH biomarkers, symptoms, and cognitive function of 132 children aged 3 to 18 years were evaluated at four time points during the first year of leukemia treatment. Participants, 7 years and older, completed self-report measures, and parents reported for younger children. Cognitive function measurements for all participants were completed by parents. A longitudinal parallel-process model was used to explore the influence of the initial measurement and the subsequent change over four time points of the GSH biomarkers on the CCSC-L and cognition. Results: GSH biomarkers increased over the four time points indicating decreasing oxidative stress. When GSH biomarkers were higher (less oxidative stress) at the initial measurement, the CCSC-L severity was lower, cognition was better, and cognition improved over the four measurements. Screening children for high levels of oxidative stress would be a foundation for future intervention studies to address symptom distress and cognitive impairments.
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Affiliation(s)
- Mary C Hooke
- University of Minnesota, Minneapolis, MN, USA
- Children's Minnesota Cancer and Blood Disorders Program, Minneapolis, MN, USA
| | | | - Marilyn J Hockenberry
- Children's Minnesota Cancer and Blood Disorders Program, Minneapolis, MN, USA
- Texas Children's Cancer and Hematology Centers/Baylor College of Medicine, Houston, TX, USA
| | | | - Ida Moore
- University of Arizona, Tucson, AZ, USA
| | | | | | - Pauline Mitby
- Children's Minnesota Cancer and Blood Disorders Program, Minneapolis, MN, USA
| | - Michael E Scheurer
- Texas Children's Cancer and Hematology Centers/Baylor College of Medicine, Houston, TX, USA
| | - Olga Taylor
- Texas Children's Cancer and Hematology Centers/Baylor College of Medicine, Houston, TX, USA
| | - Wei Pan
- Duke University, Durham, NC, USA
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Abstract
Survival rates of children with cancer are steadily increasing. This urges our attention to neurocognitive and psychiatric outcomes, as these can markedly influence the quality of life of these children. Neurobehavioral morbidity in childhood cancer survivors affects diverse aspects of cognitive function, which can include attention, memory, processing speed, intellect, academic achievement, and emotional health. Reasons for neurobehavioral morbidity are multiple with one major contributor being chemotherapy-induced central nervous system (CNS) toxicity. Clinical studies investigating the effects of chemotherapy on the CNS in children with cancer have reported causative associations with the development of leukoencephalopathies as well as smaller regional grey and white matter volumes, which have been found to correlate with neurocognitive deficits.Preclinical work has provided compelling evidence that chemotherapy drugs are potent neuro- and gliotoxins in vitro and in vivo and can cause brain injury via excitotoxic and apoptotic mechanisms. Furthermore, chemotherapy triggers DNA (deoxyribonucleic acid) damage directly or through increased oxidative stress. It can shorten telomeres and accelerate cell aging, cause cytokine deregulation, inhibit hippocampal neurogenesis, and reduce brain vascularization and blood flow. These mechanisms, when allowed to operate on the developing brain of a child, have high potential to not only cause brain injury, but also alter crucial developmental events, such as myelination, synaptogenesis, neurogenesis, cortical thinning, and formation of neuronal networks.This short review summarizes key publications describing neurotoxicity of chemotherapy in pediatric cancers and potential underlying pathomechanisms.
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Affiliation(s)
- Chrysanthy Ikonomidou
- Department of Neurology, Section of Child Neurology, University of Wisconsin Madison, Madison, WI, 53705, USA.
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Boesen MS, Jensen PEH, Magyari M, Born AP, Uldall PV, Blinkenberg M, Sellebjerg F. Increased cerebrospinal fluid chitinase 3-like 1 and neurofilament light chain in pediatric acquired demyelinating syndromes. Mult Scler Relat Disord 2018; 24:175-183. [PMID: 30055504 DOI: 10.1016/j.msard.2018.05.017] [Citation(s) in RCA: 15] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/05/2018] [Revised: 05/22/2018] [Accepted: 05/27/2018] [Indexed: 11/17/2022]
Abstract
BACKGROUND Chitinase 3-like 1 (CHI3L1), neurofilament light chain (NFL) and oligoclonal bands (OCB) in cerebrospinal fluid are associated with central nervous system demyelination in adults. CHI3L1 and OCB are markers of central nervous system inflammation, whereas NFL is a marker of white-matter axonal injury. The aim was to examine whether CHI3L1 and NFL in cerebrospinal fluid are associated with acquired demyelinating syndromes at disease onset in a pediatric population. METHODS Children (<18 years) referred to hospital for possible neuroinflammatory disease were retrospectively included from 2010 to 2016. Case ascertainment was by review of medical records. NFL and CHI3L1 were measured by enzyme-linked immunosorbent assays. Endpoints were differences in concentrations of cerebrospinal fluid NFL and CHI3L1. RESULTS We included 193 children who all underwent cerebrospinal fluid OCB examination as part of their diagnostic work-up and classified these children into 5 groups: acquired demyelinating syndromes (n = 33), normal diagnostic work-up (n = 36), inflammatory neurological disease (n = 50), other neurological disease (n = 55), and systemic inflammatory diseases (n = 19). NFL and CHI3L1 in cerebrospinal fluid differed significantly between the five groups (p = 0.0001). CHI3L1 was significantly higher in acquired demyelinating syndromes than in all other groups, and NFL was significantly higher in acquired demyelinating syndromes than in the other groups except systemic inflammatory disease. Children with acute disseminated encephalomyelitis had significantly higher concentrations of CHI3L1 than did children with multiple sclerosis. CONCLUSION We provide class II evidence that CHI3L1 and NFL are associated with pediatric acquired demyelinating syndromes. CHI3L1 may help distinguishing between acute disseminated encephalomyelitis and multiple sclerosis, but this needs further confirmation.
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Affiliation(s)
| | - Poul Erik Hyldgaard Jensen
- Danish Multiple Sclerosis Center, Department of Neurology, Rigshospitalet, Copenhagen University Hospital, Denmark
| | - Melinda Magyari
- The Danish Multiple Sclerosis Registry, Department of Neurology, Rigshospitalet, Copenhagen University Hospital, Denmark; Danish Multiple Sclerosis Center, Department of Neurology, Rigshospitalet, Copenhagen University Hospital, Denmark
| | - Alfred Peter Born
- Department of Pediatrics, Rigshospitalet, Copenhagen University Hospital, Denmark
| | - Peter Vilhelm Uldall
- Department of Pediatrics, Rigshospitalet, Copenhagen University Hospital, Denmark
| | - Morten Blinkenberg
- Danish Multiple Sclerosis Center, Department of Neurology, Rigshospitalet, Copenhagen University Hospital, Denmark
| | - Finn Sellebjerg
- Danish Multiple Sclerosis Center, Department of Neurology, Rigshospitalet, Copenhagen University Hospital, Denmark
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Imashuku S, Arceci RJ. Strategies for the Prevention of Central Nervous System Complications in Patients with Langerhans Cell Histiocytosis. Hematol Oncol Clin North Am 2015; 29:875-93. [DOI: 10.1016/j.hoc.2015.06.006] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/30/2022]
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Cheung YT, Krull KR. Neurocognitive outcomes in long-term survivors of childhood acute lymphoblastic leukemia treated on contemporary treatment protocols: A systematic review. Neurosci Biobehav Rev 2015; 53:108-20. [PMID: 25857254 PMCID: PMC4425605 DOI: 10.1016/j.neubiorev.2015.03.016] [Citation(s) in RCA: 126] [Impact Index Per Article: 14.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/21/2015] [Revised: 03/06/2015] [Accepted: 03/13/2015] [Indexed: 01/13/2023]
Abstract
The intensified administration of chemotherapeutic drugs has gradually replaced cranial radiation therapy (CRT) for the treatment of childhood acute lymphoblastic leukemia (ALL). While CRT is often implicated in neurocognitive impairment in ALL survivors, there is a paucity of the literature that evaluates the persistence of neurocognitive deficits in long-term survivors of pediatric ALL who were treated with contemporary chemotherapy-only protocols. Results from this systematic review concurred to the probable cognitive-sparing effect of chemotherapy-based protocols over CRT in long-term survivors. However, coupled with multiple intrinsic and extrinsic factors, survivors who received chemotherapy treatment still suffered from apparent cognitive impairment, particularly in the attention and executive function domains. Notably, there is evidence to suggest that the late neurotoxic effect of methotrexate on survivors' neurocognitive performance may be dose-related. This review also recommends future pharmacokinetic, neuroimaging and genetic studies to illuminate the multifactorial nature of this subject matter and discusses the potential value of neurochemical, physiological, inflammatory and genetic markers for the prediction of susceptibility to neurocognitive impairment in long-term survivors of childhood ALL.
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Affiliation(s)
- Yin Ting Cheung
- Epidemiology and Cancer Control, St. Jude Children's Research Hospital, USA
| | - Kevin R Krull
- Epidemiology and Cancer Control, St. Jude Children's Research Hospital, USA.
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Treatment of acute lymphoblastic leukemia from traditional chinese medicine. EVIDENCE-BASED COMPLEMENTARY AND ALTERNATIVE MEDICINE 2014; 2014:601064. [PMID: 25136372 PMCID: PMC4055129 DOI: 10.1155/2014/601064] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 01/03/2014] [Accepted: 01/07/2014] [Indexed: 12/21/2022]
Abstract
Acute lymphoblastic leukemia (ALL) is a cancer that immature white blood cells continuously overproduce in the bone marrow. These cells crowd out normal cells in the bone marrow bringing damage and death. Methotrexate (MTX) is a drug used in the treatment of various cancer and autoimmune diseases. In particular, for the treatment of childhood acute lymphoblastic leukemia, it had significant effect. MTX competitively inhibits dihydrofolate reductase (DHFR), an enzyme that participates in the tetrahydrofolate synthesis so as to inhibit purine synthesis. In addition, its downstream metabolite methotrexate polyglutamates (MTX-PGs) inhibit the thymidylate synthase (TS). Therefore, MTX can inhibit the synthesis of DNA. However, MTX has cytotoxicity and neurotoxin may cause multiple organ injury and is potentially lethal. Thus, the lower toxicity drugs are necessary to be developed. Recently, diseases treatments with Traditional Chinese Medicine (TCM) as complements are getting more and more attention. In this study, we attempted to discover the compounds with drug-like potential for ALL treatment from the components in TCM. We applied virtual screen and QSAR models based on structure-based and ligand-based studies to identify the potential TCM component compounds. Our results show that the TCM compounds adenosine triphosphate, manninotriose, raffinose, and stachyose could have potential to improve the side effects of MTX for ALL treatment.
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Hockenberry MJ, Taylor OA, Gundy PM, Ross AK, Pasvogel A, Montgomery D, Ribbeck P, McCarthy K, Moore I. F2-isoprostanes: a measure of oxidative stress in children receiving treatment for leukemia. Biol Res Nurs 2013; 16:303-9. [PMID: 23956352 DOI: 10.1177/1099800413498507] [Citation(s) in RCA: 16] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
Abstract
Acute lymphoblastic leukemia (ALL) is the most prevalent and curable cancer among children and adolescents less than 15 years of age in the United States. Essential for cure of childhood ALL is prophylactic treatment of the central nervous system (CNS), with methotrexate (MTX) being the most widely used drug in this treatment. While CNS treatment has contributed to long-term disease-free survival, resulting declines in academic abilities have been reported. There is growing evidence that CNS treatment with MTX increases oxidative stress, a potential mechanism of CNS injury. This article reports changes in oxidative stress, measured by the biomarker F2-isoprostane (F2-IsoP), in the cerebrospinal fluid (CSF) in 47 children with ALL during the first 18 months of treatment. The number of CSF samples ranged from 5 to 14 during postinduction and from 1 to 9 during continuation. Total doses of intrathecal MTX during postinduction were significantly correlated with the mean and highest concentrations of F2-IsoP during postinduction and the mean concentration of F2-IsoP during continuation. F2-IsoP concentrations during postinduction and continuation were higher in children who received more than six doses of intrathecal MTX. New therapies for a highly curable disease such as childhood leukemia have the potential to be individualized in the future, requiring reliable molecular and biochemical markers, such as oxidative stress indicators. Innovative use of biomarkers has the potential to increase our understanding of treatment-related toxicities and associated symptoms and to inform future therapeutic approaches for optimizing cure and quality of life among children with leukemia.
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Affiliation(s)
| | | | | | - Adam K Ross
- University of Arizona College of Nursing, Tucson, AZ, USA
| | - Alice Pasvogel
- University of Arizona College of Nursing, Tucson, AZ, USA
| | - David Montgomery
- University of Arizona College of Nursing and Research Service, Southern Arizona VA Health Care System, Tucson, AZ, USA
| | | | | | - Ida Moore
- University of Arizona College of Nursing, Tucson, AZ, USA
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Shahim P, Månsson JE, Darin N, Zetterberg H, Mattsson N. Cerebrospinal fluid biomarkers in neurological diseases in children. Eur J Paediatr Neurol 2013; 17:7-13. [PMID: 23026858 DOI: 10.1016/j.ejpn.2012.09.005] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/20/2012] [Revised: 07/27/2012] [Accepted: 09/04/2012] [Indexed: 01/17/2023]
Abstract
Analysis of cerebrospinal fluid (CSF) biomarkers is an integral part of neurology. Basic CSF biomarkers, such as CSF/serum albumin ratio and CSF cell counts, have been used to diagnose inflammatory and infectious CNS disorders in adults and children for decades. During recent years, however, numerous biomarkers for neuronal and astroglial injury, as well as disease-specific protein inclusions, have been developed for neurodegenerative disorders in adults. The overall aim of this paper is to give an updated overview of some of these biomarkers with special focus on their possible relevance to neurological disorders in children and adolescents.
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Affiliation(s)
- Pashtun Shahim
- Clinical Neurochemistry Laboratory, Institute of Neuroscience and Physiology, Department of Neurochemistry, Sahlgrenska University Hospital/Mölndal, Göteborgsvägen 33, S-431 80 Mölndal, Sweden.
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10
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Serum neurofilament concentrations in children with prolonged febrile seizures. J Neurol Sci 2012; 321:39-42. [DOI: 10.1016/j.jns.2012.07.043] [Citation(s) in RCA: 20] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/16/2012] [Revised: 07/16/2012] [Accepted: 07/18/2012] [Indexed: 11/20/2022]
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Kuwata S, Senzaki H, Urushibara Y, Toriyama M, Kobayashi S, Hoshino K, Arakawa H, Tamura M. A case of acute encephalopathy with biphasic seizures and late reduced diffusion associated with Streptococcus pneumoniae meningoencephalitis. Brain Dev 2012; 34:529-32. [PMID: 21937175 DOI: 10.1016/j.braindev.2011.08.010] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/19/2011] [Revised: 08/26/2011] [Accepted: 08/26/2011] [Indexed: 11/25/2022]
Abstract
Acute encephalopathy with biphasic seizures and reduced diffusion (AESD) encompasses a group of encephalopathy characterized by biphasic seizures and disturbance of consciousness in the acute stage followed in the subacute stage by reduced diffusion in the subcortical white matter on magnetic resonance imaging. The etiology of AESD is viral infection and associated pathological changes. Here we report the first case of AESD caused by bacterial infection (Streptococcus pneumoniae meningitis) in a 1-year-old boy.
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Affiliation(s)
- Seiko Kuwata
- Department of Pediatrics, Saitama Medical University, Saitama, Japan
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Spasojević I. Free radicals and antioxidants at a glance using EPR spectroscopy. Crit Rev Clin Lab Sci 2011; 48:114-42. [DOI: 10.3109/10408363.2011.591772] [Citation(s) in RCA: 42] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/22/2022]
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Chiaretti A, Ruggiero A, Coccia P, Antonelli A, Pierri F, Barone G, Attinà G, Iuvone L, Maurizi P, Riccardi R. Expression of liquoral neuroprotection markers in children with acute lymphoblastic leukemia. Leuk Res 2011; 35:1467-71. [PMID: 21846577 DOI: 10.1016/j.leukres.2011.07.025] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/24/2011] [Revised: 06/20/2011] [Accepted: 07/25/2011] [Indexed: 10/16/2022]
Abstract
Brain damage related to intrathecal methotrexate in children with acute lymphoblastic leukemia (ALL) is still unclear. Neuroinflammatory mechanisms and intracerebral production of specific biomarkers, play a key role in determining neuroprotective mechanisms after brain injury. To determine whether the CSF concentrations of neuron-specific enolase (NSE), neurotrophic factors and doublecortin (DCX) are influenced by repeated intrathecal methotrexate administrations, we prospectively collected CSF samples from 10 children with ALL and 10 controls. Our results showed an increased expression of the liquoral markers. This up-regulation could be interpreted as a neuroprotective response of the brain against the neuronal damages induced by MTX.
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Affiliation(s)
- Antonio Chiaretti
- Department of Pediatric Neurosciences, Catholic University of Rome, Rome, Italy
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Savage WJ, Everett AD, Casella JF. Plasma glial fibrillary acidic protein levels in a child with sickle cell disease and stroke. Acta Haematol 2010; 125:103-6. [PMID: 21099215 DOI: 10.1159/000321791] [Citation(s) in RCA: 12] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/30/2010] [Accepted: 09/29/2010] [Indexed: 01/25/2023]
Abstract
A 12-year-old boy with HbSS sickle cell disease (SCD) was admitted with an acute febrile illness and developed overt stroke 3 days later. Plasma glial fibrillary acidic protein levels were elevated, as compared to pediatric controls, 32 h prior to the clinical diagnosis of stroke, peaked immediately prior to the exchange transfusion, and remained elevated 1 year later despite chronic transfusion therapy. Stroke in SCD can occur in the setting of acute illness, and a biomarker that could predict the onset and triage ill children to therapeutic intervention more quickly would be useful.
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Affiliation(s)
- William J Savage
- Division of Transfusion Medicine, Department of Pathology, Johns Hopkins University, Baltimore, MD, USA.
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Protas PT, Muszynska-Roslan K, Holownia A, Krawczuk-Rybak M, Braszko JJ. Cerebrospinal fluid oxidative stress during chemotherapy of acute lymphoblastic leukemia in children. Pediatr Hematol Oncol 2010; 27:306-13. [PMID: 20426521 DOI: 10.3109/08880011003639960] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/13/2022]
Abstract
In this study the authors addressed the question whether neurotoxicity due to the chemotherapy of acute lymphoblastic leukemia (ALL) is associated with cerebrospinal fluid (CSF) oxidative stress. Examination of 38 ALL patients revealed significant increases in 8-isoprostane concentration and important decreases in total antioxidative capacity of CSF during therapy. The mean 8-isoprostane level at diagnosis was 9.05 +/- 1.62 pg/mL, and no correlations with initial leukocytosis, organomegaly, and lactate dehydrogenase levels were noted. 8-Isoprostane concentrations were increased on the 59th day of treatment (mean level: 24.85 +/- 7.59 pg/mL [P < .01]) and remained elevated at 4 points of the consolidation phase (17.28 +/- 2.16 pg/mL [P < .05]; 22.72 +/- 6.04 pg/mL [P < .05]; 24.92 +/- 6.31 pg/mL [P < .01]; 32.32 +/- 7.94 pg/mL [P < .01]) as compared to their level at diagnosis. The mean total antioxidative capacity at diagnosis was 203.08 +/- 6.17 mumol/L and was remarkably decreased on the 59th day of treatment (189.76 +/- 1.9 mumol/L [P < .05]) and at one point of the consolidation phase (188.29 +/- 3.46 mumol/L [P < .05]) as compared to the level at diagnosis. This study indicates that neurotoxicity of standard ALL treatment may be related to oxidative stress.
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Affiliation(s)
- Piotr T Protas
- Departament of Clinical Pharmacology, Medical University of Bialystok, Bialystok, Poland.
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Gavhed D, Akefeldt SO, Osterlundh G, Laurencikas E, Hjorth L, Blennow K, Rosengren L, Henter JI. Biomarkers in the cerebrospinal fluid and neurodegeneration in Langerhans cell histiocytosis. Pediatr Blood Cancer 2009; 53:1264-70. [PMID: 19688833 DOI: 10.1002/pbc.22238] [Citation(s) in RCA: 16] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
Abstract
BACKGROUND Progressive neurodegeneration may result in potentially severe cognitive and motor dysfunctions as a complication of Langerhans cell histiocytosis (LCH), a suggested IL-17A-associated inflammatory condition. To detect this complication (CNS-LCH) early and to evaluate the potential efficacy of therapeutic interventions, biomarkers detecting and measuring ongoing neurodegeneration would be valuable. We evaluated cerebrospinal fluid (CSF) biomarkers of ongoing neurodegeneration in CNS-LCH patients. PROCEDURE Nine patients with endocrine, neuromotor, cognitive or/and behavioral abnormalities as well as neuroradiological evidence of CNS-LCH were evaluated 4-12 years after LCH diagnosis for CSF levels of neurofilament protein light chain (NF-L), glial fibrillary acid protein (GFAp), and total tau protein (TAU). Two patients were analyzed longitudinally. One hundred ten children with newly diagnosed acute lymphoblastic leukemia (ALL) served as controls. RESULTS NF-L, TAU, and GFAp levels were elevated in four, six, and eight of nine patients studied, respectively. NF-L (P < 0.001) and GFAp (P < 0.001) were higher in patients than in controls (TAU not analyzed in controls). The patient with most severe clinical and neuroradiological CNS-LCH displayed the highest levels of NF-L and GFAp whereas three patients without signs of systemic disease had low TAU levels and normal/slightly elevated NF-L. NF-L tended to be higher at radiological progression of neurodegeneration than at status quo (P = 0.07). Notably, we experienced frequent lumbar puncture complications in these patients. CONCLUSIONS CSF levels of NF-L, TAU, and GFAp appear to be elevated in CNS-LCH. It would be valuable if these markers were validated in order to serve as markers for early CNS-LCH, to monitor disease progression and to evaluate various treatment attempts for CNS-LCH.
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Affiliation(s)
- Désirée Gavhed
- Department of Woman and Child Health, Childhood Cancer Research Unit, Karolinska University Hospital, Karolinska Institutet, Stockholm, Sweden
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Nomura S, Miyasho T, Maeda N, Doh-ura K, Yokota H. Autoantibody to glial fibrillary acidic protein in the sera of cattle with bovine spongiform encephalopathy. Proteomics 2009; 9:4029-35. [DOI: 10.1002/pmic.200900066] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
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Abstract
As the cure rates for haematological malignancies have improved, the exploration of the balance between efficacy and side effects has become a major research target. The antifolate methotrexate is widely used in the treatment of acute lymphoblastic leukaemia, non-Hodgkin lymphoma, and osteosarcoma. Even when given identical methotrexate doses, patients vary significantly in their response and pattern of toxicities. This diversity can, to some extent, be linked to sequence variations in genes involved in drug absorption, metabolism, excretion, cellular transport, and effector targets or target pathways. In the coming years pharmacogenomics is expected to change our approaches to individualised therapy with methotrexate. However, genetic polymorphisms affect the pharmacokinetics and dynamics of all the drugs a patient receive as well as the normal tissues tolerance to a given drug exposure. Thus, although high-throughput techniques will allow mapping of tens of thousands of genetic polymorphisms in one run, it will be a major challenge to dissect out which of these have the strongest impact on efficacy and toxicity and hence should be the targets for intervention. This paper discusses the pharmacology of methotrexate and reviews studies on haematological malignancies that have attempted to predict the risk of toxicity by specific clinical or genetic features.
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Affiliation(s)
- Kjeld Schmiegelow
- The Faculty of Medicine, Institute of Gynaecology, Obstetrics and Paediatrics, University of Copenhagen, Copenhagen, Denmark.
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No role for cerebrospinal fluid myelin basic protein levels in patients treated for childhood acute lymphoblastic leukemia. J Pediatr Hematol Oncol 2009; 31:393-7. [PMID: 19648787 DOI: 10.1097/mph.0b013e31819d1807] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
Abstract
INTRODUCTION Central nervous system prophylaxis of childhood acute lymphoblastic leukemia has dropped rates of relapses but has been associated with neurotoxicity and imaging abnormalities. Predictors of neurotoxicity are lacking, because of inconsistency between clinical symptoms and imaging. Some have suggested that cerebrospinal fluid myelin basic protein (MBP) levels to be of potential interest. A retrospective analysis of MBP levels in correlation with clinical and radiologic data is presented. MATERIALS AND METHODS MBP levels obtained at the time of intrathecals, charts, and neuroradiology reports were retrospectively analyzed. Academic achievement data were obtained from phone contacts with patients and families. RESULTS We retrieved 1248 dosages of MBP in 83 patients, 381 neurologic examinations in 34 patients and 69 neuroradiologic investigations in 27 patients. Fifty-two patients had abnormal MBP levels. Radiologic anomalies were present in 47% of those investigated, 14% of them having school difficulties. Proportions of patients with school difficulties in the groups with abnormal MBP levels but no radiologic anomalies or with no radiologic investigations were 0% and 3%, respectively, which was lower than in the group of patients with normal MBP levels (100%, 22%, and 5%, respectively). DISCUSSION Notwithstanding the retrospective character of our study, we conclude that there is limited usefulness of systematic dosage of MBP as indicator of treatment-induced neurotoxicity in acute lymphoblastic leukemia patients.
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Subbaswamy A, Hsu AA, Weinstein S, Bell MJ. Correlation of cerebral Near-infrared spectroscopy (cNIRS) and neurological markers in critically ill children. Neurocrit Care 2009; 10:129-35. [PMID: 18592418 DOI: 10.1007/s12028-008-9122-7] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/21/2022]
Abstract
OBJECTIVE To correlate regional brain saturations (RSO(2)) measured by cerebral Near-infrared spectroscopy (cNIRS) with serological markers indicative of neurological injury (neuron-specific enolase (NSE) and S100beta). METHODS Children with at least one organ failure who were undergoing cNIRS monitoring were eligible for enrollment, while children with hyperbilirubinemia and cyanotic heart disease were excluded. Children were further analyzed based on the presence of an acute neurological injury (defined as hypoxic/ischemic injury after cardiac arrest, status epilepticus, meningitis, encephalopathy) as well as survival. RSO(2) was measured continuously (every 30 s) and averages were obtained at 6 h and 24 h epochs prior to serum collection (E6 and E24, respectively). Serum was collected for NSE and S100beta, which were both determined by ELISA. Serum from children undergoing evaluation for fever in the Emergency department served as serological controls. Correlations were determined using the Pearson Product Moment Correlations. RESULTS A total of 26 children underwent cNIRS monitoring for a total of 47 days. Overall NSE was greater in critically ill children compared to controls, as well as in all subsets of children analyzed (acute CNS injuries, no acute CNS injuries, survivors and non-survivors). S100beta tended to be greater in critically ill children, but this did not reach statistical significance. Average RSO(2) in E6 and E24 was 68.0% +/- 1.5 and 68.6% +/- 1.6, respectively, in a total of 131,036 measurements and E6 RSO(2) was strongly, negatively correlated with S100beta in children with acute neurological injuries. CONCLUSIONS This is the first study to correlate averaged RSO(2) measured by cNIRS with neurological injury markers in critically ill children. We believe that this data can be used to establish thresholds for RSO(2) that can be tested in future trials to determine if this technology is predictive of long-term neurological outcome.
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Affiliation(s)
- Anjali Subbaswamy
- Division of Critical Care Medicine, Children's National Medical Center, Washington, DC 20010, USA
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Matsushige T, Ichiyama T, Anlar B, Tohyama J, Nomura K, Yamashita Y, Furukawa S. CSF neurofilament and soluble TNF receptor 1 levels in subacute sclerosing panencephalitis. J Neuroimmunol 2008; 205:155-9. [PMID: 18945496 DOI: 10.1016/j.jneuroim.2008.09.011] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/20/2008] [Revised: 09/16/2008] [Accepted: 09/16/2008] [Indexed: 11/29/2022]
Abstract
Neurofilament (NF) is one of the major cytoskeleton proteins of neurons and sTNFR1 is thought to reflect the true biological activity of TNF-alpha. To evaluate the levels of the heavy subunit of neurofilament (NF-H) and soluble TNF receptor 1 (sTNFR1) in cerebrospinal fluid (CSF) as biomarkers of clinical severity of subacute sclerosing panencephalitis (SSPE), concentrations of NF-H and sTNFR1 in CSF of 34 patients with SSPE and in control subjects were measured by ELISA. The CSF NF-H levels were significantly higher in patients with SSPE than in controls (p<0.0001), and those in patients in Jabbour stage III were significantly higher than in patients in stage II (p=0.015). The CSF sTNFR1 levels in SSPE patients were significantly higher than those in controls (p=0.004), but there were no significant differences in CSF sTNFR1 levels between patients in Jabbour stages II and III. There was a significant correlation between CSF NF-H and sTNFR1 levels in patients with SSPE (p=0.011). We suggest that CSF NF-H levels can be used as a marker of development of neuronal degeneration in SSPE, and that TNF-alpha modifies the neurodestructive pathogenesis in SSPE.
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Affiliation(s)
- Takeshi Matsushige
- Department of Pediatrics, Yamaguchi University Graduate School of Medicine, Yamaguchi, Japan
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