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Childhood leukemia

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https://www.readbyqxmd.com/read/29773592/investigating-chemoresistance-to-improve-sensitivity-of-childhood-t-cell-acute-lymphoblastic-leukemia-to-parthenolide
#1
Benjamin C Ede, Rafal R Asmaro, John P Moppett, Paraskevi Diamanti, Allison Blair
Current therapies for childhood T cell acute lymphoblastic leukemia have increased survival rates to above 85% in developed countries. Unfortunately, some patients fail to respond to therapy and many suffer from serious side effects, highlighting the need to investigate other agents to treat this disease. Parthenolide, a nuclear factor kappa B inhibitor and reactive oxygen species inducer, has been shown to have excellent anti-cancer activity in pediatric leukemia xenografts, with minimal effects on normal hemopoietic cells...
May 17, 2018: Haematologica
https://www.readbyqxmd.com/read/29772082/child-symptoms-parent-behaviors-and-family-strain-in-long-term-survivors-of-childhood-acute-lymphoblastic-leukemia
#2
I-Chan Huang, Tara M Brinkman, Larry Mullins, Ching-Hon Pui, Leslie L Robison, Melissa M Hudson, Kevin R Krull
BACKGROUND: How family environment and parental factors affect health status and symptoms in childhood cancer survivors is understudied. We examined the influence of family cohesion, parent distress, and overprotection on child symptom burden and health-related quality of life (HRQOL) and family strain in survivors of childhood acute lymphoblastic leukemia (ALL). METHODS: Parents of 213 children treated with chemotherapy-only completed a survey when survivors were at least five-years post-diagnosis...
May 17, 2018: Psycho-oncology
https://www.readbyqxmd.com/read/29764581/-clinical-application-of-minimal-residual-disease-detection-in-childhood-acute-leukemia
#3
Yan-Qin Cheng, Xiao-Wen Zhai
In recent years, great progress has been made in the treatment outcome of childhood acute leukemia with the improvement of chemotherapy regimens and the introduction of risk-stratified therapy; however, minimal residual disease (MRD) is still a difficult problem which affects the prognosis of acute leukemia. MRD influences the selection of chemotherapy regimens and recurrence risk stratification, and meanwhile, it can be used for prognostic prediction. At present, flow cytometry and polymerase chain reaction are mainly used for MRD detection...
May 2018: Zhongguo Dang Dai Er Ke za Zhi, Chinese Journal of Contemporary Pediatrics
https://www.readbyqxmd.com/read/29764159/emerging-role-of-immunotherapy-for-childhood-cancers
#4
Rupert Handgretinger, Patrick Schlegel
Recent developments in cell and gene therapy have a great impact on the new therapeutic approaches in pediatric cancers. Monoclonal antibodies for neuroblastoma and bispecific antibodies for leukemia have induced significant clinical responses for otherwise chemorefractory patients. Moreover, cellular therapeutic approaches including chimeric antigen receptor (CAR) T-cells as well as natural killer (NK) cells have the potential to cure patients with so far incurable malignancies and are the basis for future new therapies for pediatric cancer...
April 2018: Chinese Clinical Oncology
https://www.readbyqxmd.com/read/29763621/it-s-all-in-the-family-ikzf1-and-hereditary-leukemia
#5
Junne Kamihara, Akiko Shimamura
IKZF1 plays an essential role in lymphopoiesis, and somatic IKZF1 variants in acute lymphoblastic leukemia (ALL) are associated with poor prognosis. In this issue of Cancer Cell, Churchman et al. add to the list of leukemia predisposition genes with the identification and characterization of germline IKZF1 variants in childhood ALL.
May 14, 2018: Cancer Cell
https://www.readbyqxmd.com/read/29762237/growth-plate-suppression-in-an-adolescent-patient-with-acute-lymphoblastic-leukemia-after-treatment
#6
Ekaterina Tiktinsky, Daniel Levin, Sophia Lantsberg, Joseph Kapelushnik
Osteotoxic effect is a common adverse effect of chemotherapy for childhood acute lymphoblastic leukemia. The pathophysiology of impaired bone growth is multifactorial and can affect both osteoblast and osteoclast function. Significant contribution in affecting skeletal metabolism belongs to high-dose corticosteroid treatment. We present the case of a 12-year-old adolescent girl who was treated for high-risk pro-B acute lymphoblastic leukemia. The Tc-MDP bone scan, as a sensitive indicator of osteoblastic activity, shows that growth plate inhibition after intensive treatment may be temporary and reversible...
May 14, 2018: Clinical Nuclear Medicine
https://www.readbyqxmd.com/read/29761423/advanced-parental-age-as-risk-factor-for-childhood-acute-lymphoblastic-leukemia-results-from-studies-of-the-childhood-leukemia-international-consortium
#7
Eleni Th Petridou, Marios K Georgakis, Friederike Erdmann, Xiaomei Ma, Julia E Heck, Anssi Auvinen, Beth A Mueller, Logan G Spector, Eve Roman, Catherine Metayer, Corrado Magnani, Maria S Pombo-de-Oliveira, Sameera Ezzat, Michael E Scheurer, Ana Maria Mora, John D Dockerty, Johnni Hansen, Alice Y Kang, Rong Wang, David R Doody, Eleanor Kane, Waffa M Rashed, Nick Dessypris, Joachim Schüz, Claire Infante-Rivard, Alkistis Skalkidou
Advanced parental age has been associated with adverse health effects in the offspring including childhood (0-14 years) acute lymphoblastic leukemia (ALL), as reported in our meta-analysis of published studies. We aimed to further explore the association using primary data from 16 studies participating in the Childhood Leukemia International Consortium. Data were contributed by 11 case-control (CC) studies (7919 cases and 12,942 controls recruited via interviews) and five nested case-control (NCC) studies (8801 cases and 29,690 controls identified through record linkage of population-based health registries) with variable enrollment periods (1968-2015)...
May 14, 2018: European Journal of Epidemiology
https://www.readbyqxmd.com/read/29759551/genomics-and-pharmacogenomics-of-pediatric-acute-lymphoblastic-leukemia
#8
REVIEW
Chuan Wu, Wei Li
Acute lymphoblastic leukaemia (ALL) is a prevalent form of pediatric cancer that accounts for 70-80% of all leukemias. Genome-based analysis, exome sequencing, transcriptomics and proteomics have provided insight into genetic classification of ALL and helped identify novel subtypes of the disease. B and T cell-based ALL are two well-characterized genomic subtypes, significantly marked by bone marrow disorders, along with mutations in trisomy 21 and T53. The other ALLs include Early T-cell precursor ALL, Philadelphia chromosome-like ALL, Down syndrome-associated ALL and Relapsed ALL...
June 2018: Critical Reviews in Oncology/hematology
https://www.readbyqxmd.com/read/29754509/-new-and-traditional-directions-in-the-biology-and-management-of-childhood-acute-lymphoblastic-leukemia
#9
Bálint Egyed, Gábor Kovács, Nóra Kutszegi, Andrea Rzepiel, Judit Csányiné Sági, Dániel János Erdélyi, Judit Müller, Ágnes Félné Semsei
Owing to clinical trials and improvement over the past few decades, the majority of children with acute lymphoblastic leukemia (ALL) survive by first-line chemotherapy and combat with the problems of returning to community. However, many patients may have severe acute or late therapeutic side effects, and the survival rate in some groups (e.g., patients with MLL rearrangements, hypodiploidy, IKZF1 mutation or early precursor T cell phenotype) is far behind the average. Innovative strategies in medical attendance provide better clinical outcomes for them: complete gene diagnostics, molecularly targeted anticancer treatment, immuno-oncology and immune cell therapy...
May 2018: Orvosi Hetilap
https://www.readbyqxmd.com/read/29748606/cd47-ligation-induced-cell-death-in-t-acute-lymphoblastic-leukemia
#10
Pascal Leclair, Chi-Chao Liu, Mahdis Monajemi, Gregor S Reid, Laura M Sly, Chinten James Lim
CD47 is a cell-surface marker well recognized for its anti-phagocytic functions. As such, an emerging avenue for targeted cancer therapies involves neutralizing the anti-phagocytic function using monoclonal antibodies (mAbs) to enhance tumour cell immunogenicity. A lesser known consequence of CD47 receptor ligation is the direct induction of tumour cell death. While several mAbs and their derivatives with this property have been studied, the best characterized is the commercially available mAb B6H12, which requires immobilization for induction of cell death...
May 10, 2018: Cell Death & Disease
https://www.readbyqxmd.com/read/29742278/conditional-relative-survival-among-long-term-survivors-of-adolescent-and-young-adult-cancers
#11
Chelsea Anderson, Andrew B Smitherman, Hazel B Nichols
BACKGROUND: Many studies have examined long-term outcomes after childhood cancer, but few address outcomes for adolescent and young adult (AYA; those aged 15-39 years) cancer survivors. Conditional survival reflects changing mortality risk with time since cancer diagnosis and is a useful measure for planning long-term follow-up care. METHODS: Using the Surveillance, Epidemiology, and End Results registry 9 database, the authors identified a cohort of AYA patients diagnosed with a first malignant cancer between 1973 and 2009 and followed through 2014...
May 9, 2018: Cancer
https://www.readbyqxmd.com/read/29741262/evaluation-of-minimal-residual-disease-in-childhood-all
#12
REVIEW
Marie C Béné, Marion Eveillard
Childhood acute lymphoblastic leukemia is one of the most frequent cancers of that age range. Tremendous progress has been achieved in the treatment of these diseases, and increasing numbers of patients are actually cured and live normal lives thereafter. The treatment however remains a complex and serious ordeal. Although statistics are more than encouraging, the specific care of any given patient must be considered with a personalized approach. Among modern tools of disease monitoring, minimal residual disease assessment has earned increasing appeal and now tends to be rather dubbed "measurable" residual disease as the major goal of therapy was the complete eradication of the pathological clone...
May 2018: International Journal of Laboratory Hematology
https://www.readbyqxmd.com/read/29734249/endoglin-is-highly-expressed-in-human-mast-cells
#13
Suéllen Trentin Brum, Ana Paula Demasi, Rafael Fantelli Stelini, Maria Letícia Cintra, Vera Cavalcanti de Araujo, Andresa Borges Soares
Endoglin, known to be expressed in proliferating vessels, is of worth when evaluating microvessel density as a prognostic factor in many types of malignancies, including some subtypes of leukemia cells. In childhood acute lymphoblastic leukemia, endoglin is associated with adverse outcome. In bone marrow, endoglin identifies the repopulating hematopoietic stem cells. Mast cells are a component of normal tissue and play an important role in the regulation of several processes, including inflammation and neoplasia...
May 4, 2018: Applied Immunohistochemistry & Molecular Morphology: AIMM
https://www.readbyqxmd.com/read/29732956/the-search-for-balance-prolonged-uncertainty-in-parent-blogs-of-childhood-cancer
#14
Catherine McGeehin Heilferty
Illness blogs are the online narrative expression of the experience of illness and its treatment. The purpose of the present research was to explore, describe, and analyze blog narratives created by parents during their child's cancer experience in the hope that knowledge generated would amplify the voices of these vulnerable families. The study aimed to answer this question: What themes are evident in illness blogs created by a parent when a child has cancer? The purposive sample of 14 parent blogs included publicly accessible, English language narratives that contained descriptions of life with a child who had undergone treatment for acute lymphocytic leukemia (ALL; five blogs analyzed) or neuroblastoma (nine blogs analyzed) in the previous 5 years or who was currently undergoing treatment for these types of cancer...
May 1, 2018: Journal of Family Nursing
https://www.readbyqxmd.com/read/29728694/outcome-of-children-with-multiply-relapsed-b-cell-acute-lymphoblastic-leukemia-a-therapeutic-advances-in-childhood-leukemia-lymphoma-study
#15
Weili Sun, Jemily Malvar, Richard Sposto, Anupam Verma, Jennifer J Wilkes, Robyn Dennis, Kenneth Heym, Theodore W Laetsch, Melissa Widener, Susan R Rheingold, Javier Oesterheld, Nobuko Hijiya, Maria Luisa Sulis, Van Huynh, Andrew E Place, Henrique Bittencourt, Raymond Hutchinson, Yoav Messinger, Bill Chang, Yousif Matloub, David S Ziegler, Rebecca Gardner, Todd Cooper, Francesco Ceppi, Michelle Hermiston, Luciano Dalla-Pozza, Kirk R Schultz, Paul Gaynon, Alan S Wayne, James A Whitlock
The survival of pediatric patients with multiply relapsed and/or refractory (R/R) B-cell acute lymphoblastic leukemia has historically been very poor; however, data are limited in the current era. We conducted a retrospective study to determine the outcome of multiply R/R childhood B-ALL treated at 24 TACL institutions between 2005 and 2013. Patient information, treatment, and response were collected. Prognostic factors influencing the complete remission (CR) rate and event-free survival (EFS) were analyzed...
March 15, 2018: Leukemia: Official Journal of the Leukemia Society of America, Leukemia Research Fund, U.K
https://www.readbyqxmd.com/read/29727043/efficacy-and-safety-of-recombinant-e-coli-asparaginase-in-children-with-previously-untreated-acute-lymphoblastic-leukemia-a-randomized-multicenter-study-of-the-dutch-childhood-oncology-group
#16
Inge M van der Sluis, Hester de Groot-Kruseman, Maroeska Te Loo, Wim J E Tissing, Cor van den Bos, Gertjan J L Kaspers, Marc Bierings, Wouter J W Kollen, Thorsten König, Uwe Pichlmeier, Hans-Jürgen Kühnel, Rob Pieters
BACKGROUND: The efficacy and safety of recombinant Escherichia coli-asparaginase (rASNase) was compared to native E.coli asparaginase (Asparaginase medac). METHODS: One hundred and ninety-nine children with newly diagnosed acute lymphoblastic leukemia were randomized to receive one of both agents at a dose of 5,000 U/m² during induction (eight doses) and 10,000 U/m² during the postinduction phase (only high-risk patients; standard- and medium-risk patients received pegaspargase)...
May 4, 2018: Pediatric Blood & Cancer
https://www.readbyqxmd.com/read/29726059/two-novel-fusion-genes-aif1l-etv6-and-abl1-aif1l-result-together-with-etv6-abl1-from-a-single-chromosomal-rearrangement-in-acute-lymphoblastic-leukemia-with-prenatal-origin
#17
Julius Lukes, Eliska Potuckova, Lucie Sramkova, Jan Stary, Julia Starkova, Jan Trka, Felix Votava, Jan Zuna, Marketa Zaliova
Fusion genes resulting from chromosomal rearrangements represent a hallmark of childhood acute lymphoblastic leukemia (ALL). Unlike more common fusion genes generated via simple reciprocal chromosomal translocations, formation of the ETV6-ABL1 fusion gene requires 3 DNA breaks and usually results from an interchromosomal insertion. We report a child with ALL in which a single interchromosomal insertion led to the formation of ETV6-ABL1 and two novel fusion genes: AIF1L-ETV6 and ABL1-AIF1L. We demonstrate the prenatal origin of this complex chromosomal rearrangement, which apparently initiated the leukemogenic process, by successful backtracking of the ETV6-ABL1 fusion into the patient's archived neonatal blood...
May 4, 2018: Genes, Chromosomes & Cancer
https://www.readbyqxmd.com/read/29721197/backtracked-analysis-of-preleukemic-fusion-genes-and-dna-repair-foci-in-umbilical-cord-blood-of-children-with-acute-leukemia
#18
Milan Škorvaga, Matúš Durdík, Pavol Košík, Eva Marková, Marek Holop, Miroslav Kubeš, Judita Puškáčová, Alexandra Kolenová, Igor Belyaev
The first event in origination of many childhood leukemias is a specific preleukemic fusion gene (PFG) that arises, often in utero, in hematopoietic stem/progenitor cells (HSPC) from misrepaired DNA double strand break (DSB). An immanently elevated level of DSB and impaired apoptosis may contribute to origination and persistence of PFG and donor cell-derived leukemia in recipients of allogeneic transplantation of umbilical cord blood (UCB). We investigated DSB, apoptosis and PFG in the backtracked UCB cells of leukemic patients...
April 10, 2018: Oncotarget
https://www.readbyqxmd.com/read/29720486/international-cooperative-study-identifies-treatment-strategy-in-childhood-ambiguous-lineage-leukemia
#19
Ondrej Hrusak, Valerie De Haas, Jitka Stancikova, Barbora Vakrmanova, Iveta Janotova, Ester Mejstrikova, Vaclav Capek, Jan Trka, Marketa Zaliova, Ales Luks, Kirsten Bleckmann, Anja Möricke, Julie Irving, Benigna Konatkowska, Thomas B Alexander, Hiroto Inaba, Kjeld Schmiegelow, Simone Stokley, Zuzana Zemanova, Anthony V Moorman, Jorge Gabriel Rossi, Maria Sara Felice, Luciano Dalla-Pozza, Jessa Morales, Michael Dworzak, Barbara Buldini, Giuseppe Basso, Myriam Campbell, Maria Elena Cabrera, Neda Marinov, Sarah Elitzur, Shai Izraeli, Drorit Luria, Tamar Feuerstein, Alexandra Kolenova, Peter Svec, Olena Kreminska, Karen R Rabin, Sophia Polychronopoulou, Elaine da Costa, Hanne Vibeke Marquart, Antonis Kattamis, Richard Ratei, Dirk Reinhardt, John K Choi, Martin Schrappe, Jan Stary
Despite attempts to improve the definitions of ambiguous leukemia (ALAL) during the last two decades, general therapy recommendations are missing. Herein, we report a large cohort of children with ALAL and propose a treatment strategy. A retrospective multinational study iBFM-AMBI2012 on 233 cases of pediatric ALAL patients is presented. Survival statistics were used to compare the prognosis of subsets and types of treatment. Five-year event-free survival (5yEFS) of patients with acute lymphoblastic leukemia (ALL)-type primary therapy (80±4%) was superior to that of children who received acute myeloid leukemia (AML)-type or combined-type treatments (36±7...
May 2, 2018: Blood
https://www.readbyqxmd.com/read/29720126/optimal-predictor-for-6-mercaptopurine-intolerance-in-chinese-children-with-acute-lymphoblastic-leukemia-nudt15-tpmt-or-itpa-genetic-variants
#20
Hong Zhou, Lei Li, Peng Yang, Lin Yang, Jin E Zheng, Ying Zhou, Yong Han
BACKGROUND: 6-mercaptopurine (6-MP) contributes substantially to remarkable improvement in the survival of childhood acute lymphoblastic leukemia (ALL) patients. However, 6-MP also has dose-limiting toxicities, particularly life-threatening myelosuppression, due to genetic polymorphisms in enzymes that metabolize 6-MP. Promising biomarkers for predicting 6-MP-induced leukopenia is still unclear in Chinese population. Here, we evaluated the associations of NUDT15, TPMT and ITPA genotypes with 6-MP intolerance in our cohort of childhood ALL patients...
May 2, 2018: BMC Cancer
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