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Bansal R, Bhojwani D, Sun BF, Sawardekar S, Wayne AS, Ouassil H, Gupte C, Marcelino C, Gonzalez Anaya MJ, Luna N, Peterson BS. Progression of brain injuries associated with methotrexate chemotherapy in childhood acute lymphoblastic leukemia. Pediatr Res 2024:10.1038/s41390-024-03351-9. [PMID: 38951657 DOI: 10.1038/s41390-024-03351-9] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/13/2023] [Revised: 01/18/2024] [Accepted: 06/07/2024] [Indexed: 07/03/2024]
Abstract
BACKGROUND Brain bases and progression of methotrexate-associated neurotoxicity and cognitive disturbances remain unknown. We tested whether brain abnormalities worsen in proportion to intrathecal methotrexate(IT-MTX) doses. METHODS In this prospective, longitudinal study, we recruited 19 patients with newly diagnosed acute lymphoblastic leukemia 4-to-20 years of age and 20 matched controls. We collected MRI and neuropsychological assessments at a pre-methotrexate baseline and at week 9, week 22, and year 1 during treatment. RESULTS Patients had baseline abnormalities in cortical and subcortical gray matter(GM), white matter(WM) volumes and microstructure, regional cerebral blood flow, and neuronal density. Abnormalities of GM, blood flow, and metabolites worsened in direct proportions to IT-MTX doses. WM abnormalities persisted until week 22 but normalized by year 1. Brain injuries were localized to dorsal and ventral attentional and frontoparietal cognitive networks. Patients had cognitive deficits at baseline that persisted at 1-year follow-up. CONCLUSIONS Baseline abnormalities are likely a consequence of neuroinflammation and oxidative stress. Baseline abnormalities in WM microstructure and volumes, and blood flow persisted until week 22 but normalized by year 1, likely due to treatment and its effects on reducing inflammation. The cytotoxic effects of IT-MTX, however, likely contributed to continued, progressive cortical thinning and reductions in neuronal density, thereby contributing to enduring cognitive deficits. IMPACT Brain abnormalities at a pre-methotrexate baseline likely are due to acute illness. The cytotoxic effects of intrathecal MTX contribute to progressive cortical thinning, reductions in neuronal density, and enduring cognitive deficits. Baseline white matter abnormalities may have normalized via methotrexate treatment and decreasing neuroinflammation. Corticosteroid and leucovorin conferred neuroprotective effects. Our findings suggest that the administration of neuroprotective and anti-inflammatory agents should be considered even earlier than they are currently administered. The neuroprotective effects of leucovorin suggest that strategies may be developed that extend the duration of this intervention or adapt it for use in standard risk patients.
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Affiliation(s)
- Ravi Bansal
- Department of Psychiatry, Keck School of Medicine, University of Southern California, Los Angeles, CA, USA.
- Institute for the Developing Mind, Children's Hospital Los Angeles, Los Angeles, CA, USA.
| | - Deepa Bhojwani
- Cancer and Blood Disease Institute, Children's Hospital Los Angeles, Norris Comprehensive Cancer Center and Keck School of Medicine, University of Southern California, Los Angeles, CA, USA
| | - Bernice F Sun
- Institute for the Developing Mind, Children's Hospital Los Angeles, Los Angeles, CA, USA
| | - Siddhant Sawardekar
- Institute for the Developing Mind, Children's Hospital Los Angeles, Los Angeles, CA, USA
| | - Alan S Wayne
- Cancer and Blood Disease Institute, Children's Hospital Los Angeles, Norris Comprehensive Cancer Center and Keck School of Medicine, University of Southern California, Los Angeles, CA, USA
| | - Hannah Ouassil
- College of Letters, Arts and Sciences, University of Southern California, Los Angeles, CA, USA
| | - Chaitanya Gupte
- Institute for the Developing Mind, Children's Hospital Los Angeles, Los Angeles, CA, USA
| | - Courtney Marcelino
- Institute for the Developing Mind, Children's Hospital Los Angeles, Los Angeles, CA, USA
| | - Maria J Gonzalez Anaya
- Institute for the Developing Mind, Children's Hospital Los Angeles, Los Angeles, CA, USA
| | - Natalia Luna
- Institute for the Developing Mind, Children's Hospital Los Angeles, Los Angeles, CA, USA
| | - Bradley S Peterson
- Department of Psychiatry, Keck School of Medicine, University of Southern California, Los Angeles, CA, USA
- Institute for the Developing Mind, Children's Hospital Los Angeles, Los Angeles, CA, USA
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Cranial MRI in Childhood Acute Leukemia during Treatment and Follow-Up Including the Impact of Intrathecal MTX-A Single-Center Study and Review of the Literature. Cancers (Basel) 2022; 14:cancers14194688. [PMID: 36230611 PMCID: PMC9563423 DOI: 10.3390/cancers14194688] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/22/2022] [Revised: 09/15/2022] [Accepted: 09/22/2022] [Indexed: 11/28/2022] Open
Abstract
Due to high survival rates, long-term sequelae, especially neurotoxicity, need to be considered in childhood acute leukemias. In this retrospective analysis of morphologic changes of the brain in children treated for acute leukemias, we included 94 patients (77 ALL, 17 AML; 51 male, 43 female; median age: 5 years) from a single center. We analyzed 170 cranial MRI scans (T2, FLAIR axial) for morphologic alterations of the brain and variations of the ventricular width (GDAH). In addition, the corresponding literature was reviewed. More than 50% of all patients showed cerebral pathomorphologies (CP). They were seen more often in children with ALL (55.8%), ≤ 6 years of age (60.8%), in relapse (58.8%) or after CNS irradiation (75.0%) and included white matter changes, brain atrophy, sinus vein thrombosis and ischemic events. GDAH significantly enlarged mainly in children up to 6 years, with relapse, high-risk leukemias or ALL patients. However, GDAH can normalize again. The number of intrathecal Methotrexate applications (≤12 vs. >12) showed no correlation to morphologic alterations besides a significant increase in GDAH (−0.3 vs. 0.9 mm) between the first and last follow-up MRI in ALL patients receiving >12 ith. MTX applications. The role of ith. MTX on CP needs to be further investigated and correlated to the neurocognitive outcome of children with acute leukemias.
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Daetwyler E, Bargetzi M, Otth M, Scheinemann K. Late effects of high-dose methotrexate treatment in childhood cancer survivors-a systematic review. BMC Cancer 2022; 22:267. [PMID: 35287628 PMCID: PMC8919635 DOI: 10.1186/s12885-021-09145-0] [Citation(s) in RCA: 11] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/28/2021] [Accepted: 12/23/2021] [Indexed: 01/06/2023] Open
Abstract
BACKGROUND High-dose methotrexate (HD-MTX) is used in the treatment of different childhood cancers, including leukemia, the most common cancer type and is commonly defined as an intravenous dose of at least 1 g/m2 body surface area per application. A systematic review on late effects on different organs due to HD-MTX is lacking. METHOD We conducted a systematic literature search in PubMed, including studies published in English or German between 1985 and 2020. The population of each study had to consist of at least 75% childhood cancer survivors (CCSs) who had completed the cancer treatment at least twelve months before late effects were assessed and who had received HD-MTX. The literature search was not restricted to specific cancer diagnosis or organ systems at risk for late effects. We excluded case reports, case series, commentaries, editorial letters, poster abstracts, narrative reviews and studies only reporting prevalence of late effects. We followed PRISMA guidelines, assessed the quality of the eligible studies according to GRADE criteria and registered the protocol on PROSPERO (ID: CRD42020212262). RESULTS We included 15 out of 1731 identified studies. Most studies included CCSs diagnosed with acute lymphoblastic leukemia (n = 12). The included studies investigated late effects of HD-MTX on central nervous system (n = 10), renal (n = 2) and bone health (n = 3). Nine studies showed adverse outcomes in neuropsychological testing in exposed compared to non-exposed CCSs, healthy controls or reference values. No study revealed lower bone density or worse renal function in exposed CCSs. As a limitation, the overall quality of the studies per organ system was low to very low, mainly due to selection bias, missing adjustment for important confounders and low precision. CONCLUSIONS CCSs treated with HD-MTX might benefit from neuropsychological testing, to intervene early in case of abnormal results. Methodological shortcomings and heterogeneity of the tests used made it impossible to determine the most appropriate test. Based on the few studies on renal function and bone health, regular screening for dysfunction seems not to be justified. Only screening for neurocognitive late effects is warranted in CCSs treated with HD-MTX.
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Affiliation(s)
- Eveline Daetwyler
- Department of Medical Oncology, University Hospital Basel, Basel, Switzerland.,Faculty of Medicine, University of Basel, Basel, Switzerland
| | - Mario Bargetzi
- Faculty of Medicine, University of Basel, Basel, Switzerland.,Division of Hematology/Oncology, University Medical Clinic, Kantonsspital Aarau, Aarau, Switzerland
| | - Maria Otth
- Division of Hematology-Oncology, Department of Pediatrics, Kantonsspital Aarau AG, Tellstrasse 25, CH-5001, Aarau, Switzerland. .,Department of Oncology, Hematology, Immunology, Stem Cell Transplantation and Somatic Gene Therapy, University Children's Hospital Zurich - Eleonore Foundation, Zurich, Switzerland.
| | - Katrin Scheinemann
- Faculty of Medicine, University of Basel, Basel, Switzerland.,Division of Hematology-Oncology, Department of Pediatrics, Kantonsspital Aarau AG, Tellstrasse 25, CH-5001, Aarau, Switzerland.,Department of Pediatrics, McMaster Children's Hospital and McMaster University, Hamilton, Canada
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Xu LH, Geng X, Liao N, Yang LH, Mai HR, Wan WQ, Huang LB, Zheng MC, Tian C, Chen HQ, Chen QW, Long XJ, Zhen ZJ, Liu RY, Li QR, Wu BY, Wang LN, Kong XL, Chen GH, Fang JP, Li Y. Prognostic significance of CNSL at diagnosis of childhood B-cell acute lymphoblastic leukemia: A report from the South China Children's Leukemia Group. Front Oncol 2022; 12:943761. [PMID: 36033509 PMCID: PMC9399517 DOI: 10.3389/fonc.2022.943761] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/14/2022] [Accepted: 07/20/2022] [Indexed: 02/05/2023] Open
Abstract
OBJECTIVES The prognostic significance of acute lymphoblastic leukemia (ALL) patients with central nervous system leukemia (CNSL) at diagnosis is controversial. We aimed to determine the impact of CNSL at diagnosis on the clinical outcomes of childhood B-cell ALL in the South China Children's Leukemia Group (SCCLG). METHODS A total of 1,872 childhood patients were recruited for the study between October 2016 and July 2021. The diagnosis of CNSL depends on primary cytological examination of cerebrospinal fluid, clinical manifestations, and imaging manifestations. Patients with CNSL at diagnosis received two additional courses of intrathecal triple injections during induction. RESULTS The frequency of CNLS at the diagnosis of B-cell ALL was 3.6%. Patients with CNSL at diagnosis had a significantly higher mean presenting leukocyte count (P = 0.002) and poorer treatment response (P <0.05) compared with non-CNSL patients. Moreover, CNSL status was associated with worse 3-year event-free survival (P = 0.030) and a higher risk of 3-year cumulative incidence of relapse (P = 0.008), while no impact was observed on 3-year overall survival (P = 0.837). Multivariate analysis revealed that CNSL status at diagnosis was an independent predictor with a higher cumulative incidence of relapse (hazard ratio = 2.809, P = 0.016). CONCLUSION CNSL status remains an adverse prognostic factor in childhood B-cell ALL, indicating that additional augmentation of CNS-directed therapy is warranted for patients with CNSL at diagnosis.
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Affiliation(s)
- Lu-Hong Xu
- Department of Pediatric Hematology/Oncology, Children’s Medical Center, Sun Yat-sen Memorial Hospital, Sun Yat-sen University, Guangzhou, China
- Guangdong Provincial Key Laboratory of Malignant Tumor Epigenetics and Gene Regulation, Sun Yat-sen Memorial Hospital, Sun Yat-sen University, Guangzhou, China
| | - Xu Geng
- Department of Pediatric Hematology/Oncology, Children’s Medical Center, Sun Yat-sen Memorial Hospital, Sun Yat-sen University, Guangzhou, China
- Guangdong Provincial Key Laboratory of Malignant Tumor Epigenetics and Gene Regulation, Sun Yat-sen Memorial Hospital, Sun Yat-sen University, Guangzhou, China
| | - Ning Liao
- Department of Pediatrics, The First Affiliated Hospital of Guangxi Medical University, Nanning, China
| | - Li-Hua Yang
- Department of Pediatric Hematology, Zhujiang Hospital, Southern Medical University, Guangzhou, China
| | - Hui-Rong Mai
- Department of Hematology and Oncology, Shenzhen Children’s Hospital, Shenzhen, China
| | - Wu-Qing Wan
- Department of Pediatrics, The Second Xiangya Hospital of Central South University, Changsha, China
| | - Li-Bin Huang
- Department of Pediatrics, The First Affiliated Hospital, Sun Yat-sen University, Guangzhou, China
| | - Min-Cui Zheng
- Department of Hematology, Hunan Children’s Hospital, Changsha, China
| | - Chuan Tian
- Department of Pediatrics, Affiliated Hospital of Guangdong Medical University, Zhanjiang, China
| | - Hui-Qin Chen
- Department of Pediatrics, The Third Affiliated Hospital, Sun Yat-sen University, Guangzhou, China
| | - Qi-Wen Chen
- Department of Pediatrics, The First Affiliated Hospital of Nanchang University, Nanchang, China
| | - Xing-Jiang Long
- Department of Pediatrics, Liuzhou People’s Hospital, Liuzhou, China
| | - Zi-Jun Zhen
- Department of Pediatric Oncology, Sun Yat-sen University Cancer Center, Guangzhou, China
| | - Ri-Yang Liu
- Department of Pediatrics, Huizhou Central People’s Hospital, Huizhou, China
| | - Qiao-Ru Li
- Department of Pediatrics, Zhongshan People’s Hospital, Zhongshan, China
| | - Bei-Yan Wu
- Department of Pediatrics, The First Affiliated Hospital of Shantou University Medical College, Shantou, China
| | - Li-Na Wang
- Department of Pediatrics, Guangzhou First People’s Hospital, Guangzhou, China
| | - Xian-Ling Kong
- Department of Pediatrics, Boai Hospital of Zhongshan, Zhongshan, China
| | - Guo-Hua Chen
- Department of Pediatrics, Huizhou First People’s Hospital, Huizhou, China
| | - Jian-Pei Fang
- Department of Pediatric Hematology/Oncology, Children’s Medical Center, Sun Yat-sen Memorial Hospital, Sun Yat-sen University, Guangzhou, China
- Guangdong Provincial Key Laboratory of Malignant Tumor Epigenetics and Gene Regulation, Sun Yat-sen Memorial Hospital, Sun Yat-sen University, Guangzhou, China
| | - Yang Li
- Department of Pediatric Hematology/Oncology, Children’s Medical Center, Sun Yat-sen Memorial Hospital, Sun Yat-sen University, Guangzhou, China
- Guangdong Provincial Key Laboratory of Malignant Tumor Epigenetics and Gene Regulation, Sun Yat-sen Memorial Hospital, Sun Yat-sen University, Guangzhou, China
- *Correspondence: Yang Li,
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Gandy K, Scoggins MA, Jacola LM, Litten M, Reddick WE, Krull KR. Structural and Functional Brain Imaging in Long-Term Survivors of Childhood Acute Lymphoblastic Leukemia Treated With Chemotherapy: A Systematic Review. JNCI Cancer Spectr 2021; 5:pkab069. [PMID: 34514328 PMCID: PMC8421809 DOI: 10.1093/jncics/pkab069] [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: 02/12/2021] [Revised: 05/19/2021] [Accepted: 08/11/2021] [Indexed: 12/20/2022] Open
Abstract
Background The effect of chemotherapy on brain development in long-term survivors of pediatric acute lymphoblastic leukemia (ALL) was systematically reviewed. Methods A systematic search of Pubmed, Scopus, and PsycINFO databases was conducted to identify articles published between January 2000 and February 2020 that implemented magnetic resonance imaging to assess brain structure and function in pediatric ALL survivors (diagnosed younger than 21 years of age). The review included articles that were published on children diagnosed with ALL between 0 and 21 years of age and treated with chemotherapy-only protocols. Articles meeting the inclusion criteria described survivors on average of 5 years or more from diagnosis and were peer-reviewed articles and original studies. Results The search yielded 1975 articles with 23 articles meeting inclusion criteria. The review revealed that survivors had statistically significant alterations in brain anatomy, most commonly a smaller hippocampus and impaired microstructural white matter integrity in frontal brain regions. Survivors also had impaired brain function including lower brain network efficiency and altered resting state connectivity. Survivors also displayed widespread reductions in brain activation (ie, frontal, temporal, parietal brain regions) during cognitive tasks. Conclusion Although the neurotoxic effects of cancer treatment are reduced in the absence of cranial radiation, survivors treated on chemotherapy-only protocols still display long-term alterations in brain structure and function, which contribute to lifelong neurocognitive late effects.
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Affiliation(s)
- Kellen Gandy
- Department of Epidemiology and Cancer Control, St. Jude's Children's Research Hospital, Memphis, TN, USA
| | - Matthew A Scoggins
- Department of Diagnostic Imaging, St. Jude's Children's Research Hospital, Memphis, TN, USA
| | - Lisa M Jacola
- Department of Psychology, St. Jude's Children's Research Hospital, Memphis, TN, USA
| | - Molly Litten
- Department of Epidemiology and Cancer Control, St. Jude's Children's Research Hospital, Memphis, TN, USA
| | - Wilburn E Reddick
- Department of Diagnostic Imaging, St. Jude's Children's Research Hospital, Memphis, TN, USA
| | - Kevin R Krull
- Department of Epidemiology and Cancer Control, St. Jude's Children's Research Hospital, Memphis, TN, USA
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Genetics and Epigenetics of One-Carbon Metabolism Pathway in Autism Spectrum Disorder: A Sex-Specific Brain Epigenome? Genes (Basel) 2021; 12:genes12050782. [PMID: 34065323 PMCID: PMC8161134 DOI: 10.3390/genes12050782] [Citation(s) in RCA: 21] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/26/2021] [Revised: 05/08/2021] [Accepted: 05/17/2021] [Indexed: 12/11/2022] Open
Abstract
Autism spectrum disorder (ASD) is a complex neurodevelopmental condition affecting behavior and communication, presenting with extremely different clinical phenotypes and features. ASD etiology is composite and multifaceted with several causes and risk factors responsible for different individual disease pathophysiological processes and clinical phenotypes. From a genetic and epigenetic side, several candidate genes have been reported as potentially linked to ASD, which can be detected in about 10–25% of patients. Folate gene polymorphisms have been previously associated with other psychiatric and neurodegenerative diseases, mainly focused on gene variants in the DHFR gene (5q14.1; rs70991108, 19bp ins/del), MTHFR gene (1p36.22; rs1801133, C677T and rs1801131, A1298C), and CBS gene (21q22.3; rs876657421, 844ins68). Of note, their roles have been scarcely investigated from a sex/gender viewpoint, though ASD is characterized by a strong sex gap in onset-risk and progression. The aim of the present review is to point out the molecular mechanisms related to intracellular folate recycling affecting in turn remethylation and transsulfuration pathways having potential effects on ASD. Brain epigenome during fetal life necessarily reflects the sex-dependent different imprint of the genome-environment interactions which effects are difficult to decrypt. We here will focus on the DHFR, MTHFR and CBS gene-triad by dissecting their roles in a sex-oriented view, primarily to bring new perspectives in ASD epigenetics.
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Zając-Spychała O, Pawlak MA, Karmelita-Katulska K, Pilarczyk J, Jończyk-Potoczna K, Przepióra A, Derwich K, Pieczonka A, Wachowiak J. Long-term brain status and cognitive impairment in children treated for high-risk acute lymphoblastic leukemia with and without allogeneic hematopoietic stem cell transplantation: A single-center study. Pediatr Blood Cancer 2020; 67:e28224. [PMID: 32196935 DOI: 10.1002/pbc.28224] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/07/2019] [Revised: 01/05/2020] [Accepted: 01/26/2020] [Indexed: 11/06/2022]
Abstract
AIM The aim of the study was to assess long-term consequences of central nervous system (CNS) prophylaxis in patients with high-risk ALL (HR-ALL) treated according to ALL IC-BFM 2002 and to compare observed abnormalities in patients who underwent allogeneic hematopoietic stem cell transplantation (allo-HSCT) with those who received only prophylactic CNS irradiation (12 Gy) and with control group. PATIENTS AND METHODS We studied 29 patients with HR-ALL in CR1 after treatment according to protocol ALL IC-BFM 2002 (14 with allo-HSCT conditioned with fractionated total body irradiation [FTBI] and 15 without HSCT) and 16 children with newly diagnosed ALL (control group). The median time from therapy completion to evaluation was 5 years. To assess brain status, volumetric T1-weighted sequences of magnetic resonance imaging were used. Neuropsychological assessment based on battery neuropsychological tests. RESULTS Transplanted patients had significantly lower volumes of white and gray matter (P = .048 and P < .001) and also of subcortical structures, including the thalamus (P < .001), the hippocampus (P = .007), the putamen (P = .011), the globus pallidus (P = .001), and the accumbens (P < .001). In addition, these patients had generally lower cognitive performance, especially in vocabulary (P = .011), visuospatial ability (P = .047), executive functions and attention (P = .034; P = .002; P = .048), and processing speed (P = .049 and P = .037). The thalamus volume is correlated with neuropsychological performance in verbal functions (P < .001), executive functions (P < .001 and P = .024), and processing speed (P < .001). CONCLUSIONS In pediatric patients treated for ALL, FTBI-based preparative regimen preceding allo-HSCT causes reduction of subcortical structure volumes and decline in cognitive performance. The observed long-term structural and functional CNS sequelae are significantly more pronounced in transplanted HR-ALL patients than in those treated with prophylactic CNS- radiotherapy only.
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Affiliation(s)
- Olga Zając-Spychała
- Department of Pediatric Oncology, Hematology and Transplantology, Poznan University of Medical Sciences, Poznań, Poland
| | - Mikolaj A Pawlak
- Department of Neurology and Cerebrovascular Disorders, Poznan University of Medical Sciences, Poznań, Poland
| | | | - Jakub Pilarczyk
- Department of Pediatric Oncology, Hematology and Transplantology, Poznan University of Medical Sciences, Poznań, Poland
| | | | - Agnieszka Przepióra
- Department of Pediatric Radiology, Poznan University of Medical Sciences, Poznań, Poland
| | - Katarzyna Derwich
- Department of Pediatric Oncology, Hematology and Transplantology, Poznan University of Medical Sciences, Poznań, Poland
| | - Anna Pieczonka
- Department of Pediatric Oncology, Hematology and Transplantology, Poznan University of Medical Sciences, Poznań, Poland
| | - Jacek Wachowiak
- Department of Pediatric Oncology, Hematology and Transplantology, Poznan University of Medical Sciences, Poznań, Poland
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Development and Validation of a Hydrophilic Interaction Liquid Chromatography Tandem Mass Spectrometry Method for the Determination of Asparagine in Human Serum. Int J Anal Chem 2020; 2020:6980392. [PMID: 32180807 PMCID: PMC7064832 DOI: 10.1155/2020/6980392] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/08/2019] [Revised: 11/13/2019] [Accepted: 11/27/2019] [Indexed: 12/03/2022] Open
Abstract
L-Asparagine (ASN) is the catalyze substrate of L-asparaginase (ASNase), which is an important drug for acute lymphoblastic leukemia (ALL) patients. The ASN level is found to be closely associated with the effectiveness of ASNase treatment. In this study, a hydrophilic interaction liquid chromatography tandem mass spectrometry (HILIC-MS/MS) method was developed for the determination of ASN in the human serum using a stable isotope-labeled internal standard (ASN-D3). Serum samples were prepared by a one-step precipitation procedure using methanol and separated by an Agilent HILIC Plus column with the mobile phase of methanol-water (95 : 5, v/v, containing 5 mM ammonium formate and 0.1% formic acid), at a constant flow rate of 0.3 mL/min. Mass spectrometric analysis was conducted using multiple-reaction monitoring in the positive electrospray ionization mode. Serum ASN concentrations were determined over a linear calibration curve range of 2–200 μM, with acceptable accuracies and precisions. The validated HILIC-MS/MS method was successfully applied to the quantification of ASN levels in the serum from patients with ALL. Collectively, the research may shed new light on an alternative rapid, simple, and convenient quantitative method for determination of serum ASN in ALL patients treated with ASNase.
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Zhou C, Zhuang Y, Lin X, Michelson AD, Zhang A. Changes in neurocognitive function and central nervous system structure in childhood acute lymphoblastic leukaemia survivors after treatment: a meta-analysis. Br J Haematol 2019; 188:945-961. [PMID: 31823355 DOI: 10.1111/bjh.16279] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/19/2019] [Accepted: 09/18/2019] [Indexed: 12/25/2022]
Abstract
Acute lymphoblastic leukaemia (ALL) is the most common malignancy in children. Although the survival rate has increased dramatically over the last decades, patients struggle with the adverse side effects of treatment. Treatment for ALL includes chemotherapy and irradiation - both of which are linked to cognitive impairments and alterations in central nervous system (CNS) structure and function detected by neuroimaging and in neurocognitive studies. The present article is a meta-analysis of the existing evidence for the mechanisms underlying changes in the CNS and neurocognitive function in ALL survivors after treatment. We found that compared with controls, ALL survivors develop: (i) cognitive sequelae in intelligence, academics, attention, memory, processing speed and executive function domains; (ii) decreased grey and white matter volume in cortical and several subcortical brain regions, with functional changes particularly in frontal regions and the hippocampus; (iii) neurocognitive impairments related to CNS changes; and (iv) reduction, but not resolution, of late neurocognitive sequelae in patients in whom prophylactic irradiation was replaced by systemic/intrathecal chemotherapy. Continued work with advanced functional magnetic resonance imaging techniques will hopefully allow the detection of early CNS changes as biomarkers to help guide early diagnosis and intervention for neurocognitive defects in patients with childhood ALL.
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Affiliation(s)
- Chendan Zhou
- Department of Pediatrics, Qilu Hospital, Shandong University, Jinan, Shandong, China
| | - Yong Zhuang
- Department of Pediatrics, Qilu Hospital, Shandong University, Jinan, Shandong, China
| | - Xingjie Lin
- Department of Pediatrics, Qilu Hospital, Shandong University, Jinan, Shandong, China
| | - Alan D Michelson
- Dana-Farber/Boston Children's Cancer and Blood Disorders Center, Harvard Medical School, Boston, MA, USA
| | - Aijun Zhang
- Department of Pediatrics, Qilu Hospital, Shandong University, Jinan, Shandong, China.,Dana-Farber/Boston Children's Cancer and Blood Disorders Center, Harvard Medical School, Boston, MA, USA
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Huynh-Le MP, Karunamuni R, Moiseenko V, Farid N, McDonald CR, Hattangadi-Gluth JA, Seibert TM. Dose-dependent atrophy of the amygdala after radiotherapy. Radiother Oncol 2019; 136:44-49. [PMID: 31015128 PMCID: PMC7041546 DOI: 10.1016/j.radonc.2019.03.024] [Citation(s) in RCA: 28] [Impact Index Per Article: 5.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/11/2019] [Revised: 03/20/2019] [Accepted: 03/26/2019] [Indexed: 01/27/2023]
Abstract
BACKGROUND AND PURPOSE The amygdalae are deep brain nuclei critical to emotional processing and the creation and storage of memory. It is not known whether the amygdalae are affected by brain radiotherapy (RT). We sought to quantify dose-dependent amygdala change one year after brain RT. MATERIALS AND METHODS 52 patients with primary brain tumors were retrospectively identified. Study patients underwent high-resolution, volumetric magnetic resonance imaging before RT and 1 year afterward. Images were processed using FDA-cleared software for automated segmentation of amygdala volume. Tumor, surgical changes, and segmentation errors were manually censored. Mean amygdala RT dose was tested for correlation with amygdala volume change 1 year after RT via the Pearson correlation coefficient. A linear mixed-effects model was constructed to evaluate potential predictors of amygdala volume change, including age, tumor hemisphere, sex, seizure history, and bevacizumab treatment during the study period. As 51 of 52 patients received chemotherapy, possible chemotherapy effects could not be studied. A two-tailed p-value <0.05 was considered statistically significant. RESULTS Mean amygdala RT dose (r = -0.28, p = 0.01) was significantly correlated with volume loss. On multivariable analysis, the only significant predictor of amygdala atrophy was radiation dose. The final linear mixed-effects model estimated amygdala volume loss of 0.17% for every 1 Gy increase in mean amygdala RT dose (p = 0.008). CONCLUSIONS The amygdala demonstrates dose-dependent atrophy one year after radiotherapy for brain tumors. Amygdala atrophy may mediate neuropsychological effects seen after brain RT.
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Affiliation(s)
- Minh-Phuong Huynh-Le
- Department of Radiation Medicine and Applied Sciences, University of California San Diego, La Jolla, CA, United States
| | - Roshan Karunamuni
- Department of Radiation Medicine and Applied Sciences, University of California San Diego, La Jolla, CA, United States
| | - Vitali Moiseenko
- Department of Radiation Medicine and Applied Sciences, University of California San Diego, La Jolla, CA, United States
| | - Nikdokht Farid
- Department of Radiology, University of California San Diego, La Jolla, CA, United States
| | - Carrie R McDonald
- Department of Radiation Medicine and Applied Sciences, University of California San Diego, La Jolla, CA, United States; Department of Psychiatry, University of California San Diego, La Jolla, CA, United States
| | - Jona A Hattangadi-Gluth
- Department of Radiation Medicine and Applied Sciences, University of California San Diego, La Jolla, CA, United States
| | - Tyler M Seibert
- Department of Radiation Medicine and Applied Sciences, University of California San Diego, La Jolla, CA, United States; Department of Bioengineering, University of California San Diego, La Jolla, CA, United States.
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Darling S, De Luca CR, Anderson V, McCarthy M, Hearps S, Seal M. Brain morphology and information processing at the completion of chemotherapy-only treatment for pediatric acute lymphoblastic leukemia. Dev Neurorehabil 2019; 22:293-302. [PMID: 29969366 DOI: 10.1080/17518423.2018.1492988] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/29/2022]
Abstract
Background: Approximately 50% of survivors of childhood acute lymphoblastic leukemia (ALL) demonstrate cognitive impairments. However, the trajectory of change and contributing neuropathology is unclear, limiting our ability to tailor intervention content and timing. This study aimed to explore information processing abilities and brain morphology early post-treatment for pediatric ALL. Procedure: Twenty-one children at the end of ALL treatment and 18 controls underwent neuropsychological assessment. A subset also completed structural magnetic resonance imaging. Results: A principal component analysis generated two cognitive factors: information processing capacity and information processing speed. Compared to control group, the ALL group displayed deficits in capacity, but not speed. No group differences were identified in morphology. No relationship was identified between capacity or speed and morphology. Conclusion: Early cognitive intervention should target information processing abilities using a system-wide approach. Future studies should employ alternative imaging techniques sensitive to white-matter microstructure when exploring pathology underlying information processing deficits.
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Affiliation(s)
- Simone Darling
- a Clinical Sciences , Murdoch Children's Research Institute , Parkville , Australia.,b Department of Paediatrics , University of Melbourne , Melbourne , Australia
| | - Cinzia Rachele De Luca
- a Clinical Sciences , Murdoch Children's Research Institute , Parkville , Australia.,c Children's Cancer Centre , The Royal Children's Hospital , Melbourne , Australia
| | - Vicki Anderson
- a Clinical Sciences , Murdoch Children's Research Institute , Parkville , Australia.,b Department of Paediatrics , University of Melbourne , Melbourne , Australia.,d Psychology Department , The Royal Children's Hospital , Melbourne , Australia
| | - Maria McCarthy
- a Clinical Sciences , Murdoch Children's Research Institute , Parkville , Australia.,c Children's Cancer Centre , The Royal Children's Hospital , Melbourne , Australia
| | - Stephen Hearps
- a Clinical Sciences , Murdoch Children's Research Institute , Parkville , Australia
| | - Marc Seal
- a Clinical Sciences , Murdoch Children's Research Institute , Parkville , Australia.,b Department of Paediatrics , University of Melbourne , Melbourne , Australia
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