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childhood acute lymphoblastic leukemia

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https://www.readbyqxmd.com/read/28529312/prognostic-impact-of-ikzf1-deletions-in-association-with-vincristine-dexamethasone-pulses-during-maintenance-treatment-of-childhood-acute-lymphoblastic-leukemia-on-trial-all-bfm-95
#1
L Hinze, A Möricke, M Zimmermann, S Junk, G Cario, E Dagdan, C P Kratz, V Conter, M Schrappe, M Stanulla
Leukemia accepted article preview online, 22 May 2017. doi:10.1038/leu.2017.154.
May 22, 2017: Leukemia: Official Journal of the Leukemia Society of America, Leukemia Research Fund, U.K
https://www.readbyqxmd.com/read/28528709/association-between-the-killer-cell-immunoglobulin-like-receptor-a-haplotype-and-childhood-acute-lymphoblastic-leukemia
#2
Awad E Osman, Abdullah Aljuryan, Hanan Al-Harthi, Mai Almeshari
Killer immunoglobulin-like receptors (KIRs) have the ability to regulate Natural killer (NK) cell function through inhibition/activation mechanisms. Healthy human cells express HLA class I ligands on their surface, which are recognized by NK cells to avoid spontaneous cell destruction. The associations of KIRs and/or HLA class 1 ligands in leukemic patients have been studied in some populations, with some of these studies demonstrating an association of specific types with leukemia. KIRs and their corresponding HLA class 1 ligands were investigated in Saudi patients with ALL and AML and compared to healthy controls...
May 18, 2017: Human Immunology
https://www.readbyqxmd.com/read/28525903/polymorphisms-in-methotrexate-transporters-and-their-relationship-to-plasma-methotrexate-levels-toxicity-of-high-dose-methotrexate-and-outcome-of-pediatric-acute-lymphoblastic-leukemia
#3
Shu-Guang Liu, Chao Gao, Rui-Dong Zhang, Xiao-Xi Zhao, Lei Cui, Wei-Jing Li, Zhen-Ping Chen, Zhi-Xia Yue, Yuan-Yuan Zhang, Min-Yuan Wu, Jian-Xiang Wang, Zhi-Gang Li, Hu-Yong Zheng
High-dose methotrexate (HDMTX) plays an important role in the treatment of acute lymphoblastic leukemia (ALL) although there is great inter-patient variability in the efficacy and toxicity of MTX. The relationship between polymorphisms in genes encoding MTX transporters and MTX response is controversial. In the present study, 322 Chinese children with standard- and intermediate-risk ALL were genotyped for 12 polymorphisms. SLCO1B1 rs10841753 showed a significant association with plasma MTX levels at 48 h (P = 0...
May 10, 2017: Oncotarget
https://www.readbyqxmd.com/read/28523449/expression-of-coagulation-factor-xiii-subunit-a-correlates-with-outcome-in-childhood-acute-lymphoblastic-leukemia
#4
Bettina Kárai, Zsuzsanna Hevessy, Eszter Szánthó, László Csáthy, Anikó Ujfalusi, Katalin Gyurina, István Szegedi, János Kappelmayer, Csongor Kiss
Previously we identified B-cell lineage leukemic lymphoblasts as a new expression site for subunit A of blood coagulation factor XIII (FXIII-A). On the basis of FXIII-A expression, various subgroups of B-cell precursor acute lymphoblastic leukemia (BCP-ALL) can be identified. Fifty-five children with BCP-ALL were included in the study. Bone marrow samples were obtained by aspiration and the presence of FXIII-A was detected by flow cytometry. G-banding and fluorescent in situ hybridization was performed according to standard procedures...
May 18, 2017: Pathology Oncology Research: POR
https://www.readbyqxmd.com/read/28512555/assessment-of-obesity-and-hepatic-late-adverse-effects-in-the-egyptian-survivors-of-pediatric-acute-lymphoblastic-leukemia-a-single-center-study
#5
Farida H El-Rashedy, Mahmoud A El-Hawy, Sally M El Hefnawy, Mona M Mohammed
BACKGROUND: Childhood acute lymphoblastic leukemia (ALL) with current cure rates reaching 80% emphasizes the necessity to determine treatment-related long-term effects. The aim of this study is to estimate the prevalence of overweight, obesity, and hepatic late adverse effects in a cohort of ALL survivors treated at the Hematology and Oncology Unit, Pediatrics Department, Menoufia University, Egypt. METHODS: In this case-control study, height, weight, and body mass index (BMI) were assessed for 35 pediatric ALL survivors and 35 healthy children...
2017: Mediterranean Journal of Hematology and Infectious Diseases
https://www.readbyqxmd.com/read/28508352/pediatric-precursor-b-acute-lymphoblastic-leukemia-are-t-helper-cells-the-missing-link-in-the-infectious-etiology-theory
#6
REVIEW
Simone Bürgler, David Nadal
Precursor B acute lymphoblastic leukemia (BCP-ALL), the most common childhood malignancy, arises from an expansion of malignant B cell precursors in the bone marrow. Epidemiological studies suggest that infections or immune responses to infections may promote such an expansion and thus BCP-ALL development. Nevertheless, a specific pathogen responsible for this process has not been identified. BCP-ALL cells critically depend on interactions with the bone marrow microenvironment. The bone marrow is also home to memory T helper (Th) cells that have previously expanded during an immune response in the periphery...
December 2017: Molecular and Cellular Pediatrics
https://www.readbyqxmd.com/read/28500740/children-with-low-risk-acute-lymphoblastic-leukemia-are-at-highest-risk-of-second-cancers
#7
Stine N Nielsen, Frank Eriksson, Susanne Rosthoej, Mette K Andersen, Erik Forestier, Henrik Hasle, Lisa L Hjalgrim, Ann Aasberg, Jonas Abrahamsson, Mats Heyman, Ólafur G Jónsson, Kaie Pruunsild, Goda E Vaitkeviciené, Kim Vettenranta, Kjeld Schmiegelow
BACKGROUND: The improved survival rates for childhood acute lymphoblastic leukemia (ALL) may be jeopardized by the development of a second cancer, which has been associated with thiopurine therapy. PROCEDURE: We retrospectively analyzed three sequential Nordic Society of Paediatric Haematology and Oncology's protocols characterized by increasing intensity of thiopurine-based maintenance therapy. We explored the risk of second cancer in relation to protocols, risk group, thiopurine methyltransferase (TPMT) activity, ALL high hyperdiploidy (HeH), and t(12;21)[ETV6/RUNX1]...
May 13, 2017: Pediatric Blood & Cancer
https://www.readbyqxmd.com/read/28486976/tropicall-study-thromboprophylaxis-in-children-treated-for-acute-lymphoblastic-leukemia-with-low-molecular-weight-heparin-a-multicenter-randomized-controlled-trial
#8
Irene L M Klaassen, Mandy N Lauw, Marianne D van de Wetering, Bart J Biemond, Saskia Middeldorp, Floor C H Abbink, Marc Bierings, D Maroeska M W Te Loo, Rob Pieters, Inge M van der Sluis, Wim J E Tissing, C Michel Zwaan, C Heleen van Ommen
BACKGROUND: Venous thromboembolism (VTE) is a common and severe complication during treatment of acute lymphoblastic leukemia (ALL). An important cause is the intensive use of asparaginase. Prospective cohort studies in which prophylactic low-molecular-weight heparin (LMWH) was used to prevent VTE showed lower VTE risk than in historic control cohorts, with a negligible bleeding risk. However, the efficacy of thromboprophylaxis with LMWH during ALL treatment has never been investigated in a randomized design...
May 10, 2017: BMC Pediatrics
https://www.readbyqxmd.com/read/28481918/confirmation-of-involvement-of-new-variants-at-cdkn2a-b-in-pediatric-acute-lymphoblastic-leukemia-susceptibility-in-the-spanish-population
#9
Angela Gutierrez-Camino, Idoia Martin-Guerrero, Nagore Garcia de Andoin, Ana Sastre, Ana Carbone Bañeres, Itziar Astigarraga, Aurora Navajas, Africa Garcia-Orad
The locus CDKN2A/B (9p21.3), which comprises the tumor suppressors genes CDKN2A and CDKN2B and the long noncoding RNA (lncRNA) known as ANRIL (or CDKN2B-AS), was associated with childhood acute lymphoblastic leukemia (ALL) susceptibility in several genome wide association studies (GWAS). However, the variants associated in the diverse studies were different. Recently, new and independent SNPs deregulating the locus function were also identified in association with ALL risk. This diversity in the results may be explained because different variants in each population could alter CDKN2A/B locus function through diverse mechanisms...
2017: PloS One
https://www.readbyqxmd.com/read/28476198/copy-number-alterations-associated-with-acute-lymphoblastic-leukemia-in-mexican-children-a-report-from-the-mexican-inter-institutional-group-for-the-identification-of-the-causes-of-childhood-leukemia
#10
Beatriz Rosales-Rodríguez, Fernando Fernández-Ramírez, Juan Carlos Núñez-Enríquez, Ana Claudia Velázquez-Wong, Aurora Medina-Sansón, Elva Jiménez-Hernández, Janet Flores-Lujano, José Gabriel Peñaloza-González, Rosa Martha Espinosa-Elizondo, María Luisa Pérez-Saldívar, José Refugio Torres-Nava, Jorge Alfonso Martín-Trejo, Gabriela Bibiana Martínez-Morales, Vilma Carolina Bekker-Méndez, Juan Manuel Mejía-Aranguré, Haydee Rosas-Vargas
B-cell precursor acute lymphocytic leukemia (B-ALL) represents a worldwide public health issue. Particularly, Mexico is one of the countries with the highest incidence of ALL in children. Between the multiple factors involved in ALL etiology, genetic alterations are clearly one of the most relevant features. In this work, a group of 24 B-ALL patients, all negative for the four most frequent gene fusions (ETV6-RUNX1, BCR-ABL1, TCF3-PBX1 and MLL-AF4), were included in a high-resolution microarray analysis in order to evaluate genomic copy-number alterations (CNAs)...
November 2016: Archives of Medical Research
https://www.readbyqxmd.com/read/28476197/road-traffic-pollution-and-childhood-leukemia-a-nationwide-case-control-study-in-italy
#11
Corrado Magnani, Alessandra Ranucci, Chiara Badaloni, Giulia Cesaroni, Daniela Ferrante, Lucia Miligi, Stefano Mattioli, Roberto Rondelli, Luigi Bisanti, Paola Zambon, Santina Cannizzaro, Paola Michelozzi, Pierluigi Cocco, Egidio Celentano, Giorgio Assennato, Domenico Franco Merlo, Paola Mosciatti, Liliana Minelli, Marina Cuttini, Maria Valeria Torregrossa, Susanna Lagorio, Riccardo Haupt, Francesco Forastiere
BACKGROUND: The association of childhood leukemia with traffic pollution was considered in a number of studies from 1989 onwards, with results not entirely consistent and little information regarding subtypes. AIM OF THE STUDY: We used the data of the Italian SETIL case-control on childhood leukemia to explore the risk by leukemia subtypes associated to exposure to vehicular traffic. METHODS: We included in the analyses 648 cases of childhood leukemia (565 Acute lymphoblastic-ALL and 80 Acute non lymphoblastic-AnLL) and 980 controls...
November 2016: Archives of Medical Research
https://www.readbyqxmd.com/read/28476195/tobacco-smoke-and-ras-mutations-among-latino-and-non-latino-children-with-acute-lymphoblastic-leukemia
#12
Maneet Kaur, Adam J de Smith, Steve Selvin, Luoping Zhang, Marc Cunningham, Michelle W Kang, Helen M Hansen, Robert M Cooper, Roberta McKean-Cowdin, Joseph L Wiemels, Catherine Metayer
BACKGROUND AND AIMS: Childhood acute lymphoblastic leukemia (ALL) is a biologically heterogeneous disease, and mutations in the KRAS and NRAS oncogenes are present at diagnosis in about one-fifth of cases. Ras mutations were previously associated with environmental exposures in leukemias as well as in many other cancer types. This study examined whether Ras mutation could define a unique etiologic group of childhood ALL associated with tobacco smoke, a well-established mutagen and carcinogen...
November 2016: Archives of Medical Research
https://www.readbyqxmd.com/read/28476194/results-of-treating-childhood-acute-lymphoblastic-leukemia-in-a-low-middle-income-country-10%C3%A2-year-experience-in-northeast-mexico
#13
José C Jaime-Pérez, Olga Nidia López-Razo, Gisela García-Arellano, Mónica Andrea Pinzón-Uresti, Raúl A Jiménez-Castillo, Oscar González-Llano, David Gómez-Almaguer
BACKGROUND AND AIMS: In high-income countries, treatment protocols for acute lymphoblastic leukemia (ALL) in children lead to a 5-year overall survival (OS) approaching 90%. There is scarce information on protocols and results of therapy from low-middle income countries (LMIC). We documented the results of treating children with ALL with two protocols in consecutive 5-year periods at a reference center in northeast Mexico. PATIENTS AND METHODS: Children ≤16 years of age diagnosed with ALL treated with two protocols were studied...
November 2016: Archives of Medical Research
https://www.readbyqxmd.com/read/28476192/gene-expression-profiling-of-acute-lymphoblastic-leukemia-in-children-with%C3%A2-very-early-relapse
#14
Juan Carlos Núñez-Enríquez, Diego Alberto Bárcenas-López, Alfredo Hidalgo-Miranda, Elva Jiménez-Hernández, Vilma Carolina Bekker-Méndez, Janet Flores-Lujano, Karina Anastacia Solis-Labastida, Gabriela Bibiana Martínez-Morales, Fausto Sánchez-Muñoz, Laura Eugenia Espinoza-Hernández, Martha Margarita Velázquez-Aviña, Laura Elizabeth Merino-Pasaye, Alejandra Jimena García Velázquez, María Luisa Pérez-Saldívar, Raúl Mojica-Espinoza, Julián Ramírez-Bello, Silvia Jiménez-Morales, Juan Manuel Mejía-Aranguré
BACKGROUND AND AIMS: Acute lymphoblastic leukemia (ALL) is the most common childhood cancer worldwide. Mexican patients have high mortality rates, low frequency of good prognosis biomarkers (i.e., ETV6-RUNX1) and a high proportion is classified at the time of diagnosis with a high risk to relapse according to clinical features. In addition, very early relapses are more frequently observed than in other populations. The aim of the study was to identify new potential biomarkers associated with very early relapse in Mexican ALL children through transcriptome analysis...
November 2016: Archives of Medical Research
https://www.readbyqxmd.com/read/28476190/arid5b-cebpe-and-pip4k2a-germline-genetic-polymorphisms-and-risk-of-childhood-acute-lymphoblastic-leukemia-in-mexican-patients-a%C3%A2-migiccl-study
#15
Vilma Carolina Bekker-Méndez, Juan Carlos Núñez-Enríquez, José Luis Torres Escalante, Enrique Alvarez-Olmos, Pablo Miguel González-Montalvoc, Elva Jiménez-Hernández, Aurora Medina Sansón, Yelda A Leal, María Teresa Ramos-Cervantes, Francisco Xavier Guerra-Castillo, Mónica Patricia Ortiz-Maganda, Janet Flores-Lujano, Maria Luisa Pérez-Saldivar, Martha Margarita Velazquez-Aviña, Victoria Bolea-Murga, José Refugio Torres-Nava, Raquel Amador-Sanchez, Karina Anastacia Solis-Labastida, Julian Rámirez-Bello, José Manuel Fragoso, Juan Manuel Mejía-Aranguré
BACKGROUND AND AIMS: Childhood acute lymphoblastic leukemia (ALL) is the leading cause of childhood cancer-related deaths worldwide. Multiples studies have shown that ALL seems to be originated by an interaction between environmental and genetic susceptibility factors. The ARID5B polymorphisms are among the most reproducible ALL associated-risk alleles in different populations. The aim of the present study was to examine the contribution of ARID5B, CEBPE, and PIP4K2 risk alleles for the development of ALL in children from Mexico City and Yucatan, Mexico...
November 2016: Archives of Medical Research
https://www.readbyqxmd.com/read/28469402/integrative-analysis-of-microrna-mediated-gene-signatures-and-pathways-modulating-white-blood-cell-count-in-childhood-acute-lymphoblastic-leukemia
#16
Ritika Ramani, Gail Megason, Jason Schallheim, Cynthia Karlson, Vani Vijayakumar, Srinivasan Vijayakumar, Chindo Hicks
MicroRNAs (miRNAs) regulate the expression of protein-coding genes and represent potential biomarkers for childhood acute lymphoblastic leukemia (ALL). However, information linking miRNAs with their messenger RNA (mRNA) target genes modulating white blood cell (WBC) count is lacking. Here, we analyzed miRNAs and gene expression data from pediatric patients with ALL to identify a signature of miRNAs involved in ALL and their mRNA target genes, molecular networks, and biological pathways modulating WBC. We discovered a signature of miRNAs differentially expressed in ALL and a signature of mRNA target genes distinguishing patients with high WBC from patients with low WBC...
2017: Biomarker Insights
https://www.readbyqxmd.com/read/28464174/inverse-correlation-of-lymphoid-leukemia-incidence-and-anemia-prevalence-among-preschool-children
#17
Frank D Groves
OBJECTIVE: The relation between the prevalence of anemia and incidence of childhood acute lymphoblastic leukemia was explored using international cross-sectional data as well as US time-series data. METHODS: Lymphoid leukemia incidence rates for various countries from the International Agency for Research on Cancer were regressed on anemia prevalence rates from the World Health Organization in a cross-sectional analysis. Four decades of acute lymphoblastic leukemia incidence (from the Surveillance, Epidemiology, and End Results Program cancer registries) and anemia prevalence (from the National Health and Nutrition Examination Survey) also were examined in a time-series analysis...
May 2017: Southern Medical Journal
https://www.readbyqxmd.com/read/28454370/methylation-of-cdkn2b-cpg-islands-is-associated-with-upregulated-telomerase-activity-in-children-with-acute-lymphoblastic-leukemia
#18
Qian Hu, Xiaowen Chen, Sixi Liu, Ruiqi Wen, Xiuli Yuan, Dandan Xu, Guosheng Liu, Feiqiu Wen
The aim of the present study was to investigate the association between methylation of cyclin-dependent kinase inhibitor 2B (CDKN2B) CpG islands and telomerase activity in children with acute lymphoblastic leukemia (ALL). A total of 72 children with ALL and 12 children with immune thrombocytopenia (ITP) were subjected to bone marrow aspiration and methylation-specific polymerase chain reaction analysis, and modified telomeric repeat amplification protocol assay analyses, to evaluate CDKN2B methylation and telomerase activity, respectively...
April 2017: Oncology Letters
https://www.readbyqxmd.com/read/28453181/understanding-predictors-of-continued-long-term-pediatric-cancer-care-across-the-region-a-report-from-the-consortium-for-new-england-childhood-cancer-survivors
#19
Jennifer J G Welch, Lisa B Kenney, Priya Hirway, G Naheed Usmani, Nina Kadan-Lottick, Satkiran S Grewal, Mary Huang, Heather Bradeen, Jeremy Ader, Lisa Diller, Cindy L Schwartz
BACKGROUND: Many survivors of childhood cancer do not receive recommended longitudinal oncology care. Factors present at the time of childhood cancer diagnosis may identify patients who are vulnerable to poor adherence to follow-up. METHODS: This cohort of survivors of acute lymphoblastic leukemia (ALL) diagnosed from 1996 to 1999 at seven Consortium for New England Childhood Cancer Survivors institutions was evaluated for attendance at oncology clinics at 5 and 10 years from diagnosis...
April 28, 2017: Pediatric Blood & Cancer
https://www.readbyqxmd.com/read/28452142/impact-of-sleep-fatigue-and-systemic-inflammation-on-neurocognitive-and-behavioral-outcomes-in-long-term-survivors-of-childhood-acute-lymphoblastic-leukemia
#20
Yin Ting Cheung, Tara M Brinkman, Daniel A Mulrooney, Yasmin Mzayek, Wei Liu, Pia Banerjee, Angela Panoskaltsis-Mortari, Deokumar Srivastava, Ching-Hon Pui, Leslie L Robison, Melissa M Hudson, Kevin R Krull
BACKGROUND: Long-term survivors of childhood acute lymphoblastic leukemia (ALL) are at risk for neurocognitive impairment, which may be associated with fatigue, sleep problems, systemic inflammation, and oxidative stress. We examined these associations among survivors of childhood ALL treated with chemotherapy only. METHODS: Survivors of childhood ALL (male, n = 35 and female, n = 35; mean age, 14.3 years [standard deviation, 4.7 years] and mean years from diagnosis, 7...
April 27, 2017: Cancer
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