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Leukemia in children

J W Zhang, Q Zeng, L Zhao, M Zhang, L Zhang, Q Gu
Objective: To investigate the association between parental environmental risk factors exposure and the risk for childhood acute lymphoblastic leukemia (ALL). Methods: A total of 179 ALL children cases were selected in Tianjin Blood Disease Hospital and 136 healthy children matched by age, gender and living place were selected in 2015 for a case control study. The data were analyzed with univariate and multivariate non conditional logistic regression models. Results: The results of multivariate logistic regression analysis indicated that sex, history of abortion, exposure in a smoking environment during pregnancy, catching a cold, taking antipyretic analgesics, maternal exposure to air purifying agent, father' s occupational exposure to petroleum products and home decoration during pregnancy were associated with the risk of childhood ALL (P<0...
October 10, 2016: Zhonghua Liu Xing Bing Xue za Zhi, Zhonghua Liuxingbingxue Zazhi
Charlotte V Cox, Paraskevi Diamanti, John P Moppett, Allison Blair
A significant number of children with T-lineage acute lymphoblastic leukemia (T-ALL) fail to respond to therapy and experience early relapse. CD99 has been shown to be overexpressed on T-ALL cells and is considered to be a reliable detector of the disease. However, the relevance of CD99 overexpression in ALL has not been investigated in a functional context. The aim of this study was to investigate the functional capacity of CD99+ cells in childhood ALL and determine the suitability of CD99 as a therapeutic target...
2016: PloS One
Weiguo Cao, Changhong Liang, Yungan Gen, Chen Wang, Cailei Zhao, Longwei Sun
PURPOSE: We aimed to determine whether diffusion-weighted imaging (DWI) with apparent diffusion coefficient (ADC) measurement can detect skull bone marrow infiltration in newly diagnosed acute lymphoblastic leukemia (ALL) children before therapy and normalization in complete remission after treatment. METHODS: Fifty-one newly diagnosed acute lymphoblastic leukemia (ALL) patients and 30 healthy age-matched subjects were included. Cranial magnetic resonance imaging (MRI) scans were reviewed, and skull marrow ADC values were compared before treatment and in complete remission after therapy...
October 20, 2016: Diagnostic and Interventional Radiology: Official Journal of the Turkish Society of Radiology
Amita Trehan, Deepak Bansal, Neelam Varma, Ajay Vora
BACKGROUND: The outcome of malignancies in low- and middle-income countries (LMICs) is hampered owing to numerous factors. Current protocols are complex, demanding supportive care, often not optimally available. We de-escalated the UKALL 2003 protocol to improve the outcome of acute lymphoblastic leukemia (ALL) at our center. METHODS: In 2007-2009, children were treated as per the UKALL 2003 protocol (protocol 1). In 2010 and 2011, a modified version of the UKALL 2003 (protocol 2) was followed...
October 20, 2016: Pediatric Blood & Cancer
Xavier Thomas, Caroline Le Jeune
Advances in acute lymphocytic leukemia (ALL) therapy has led to long-term survival rates in children. However, only 30%-40% of adults achieve long-term disease-free survival. After relapse, the outcome of salvage chemotherapy is very disappointing with less than 10% of long survival. Novel agents are therefore desperately required to improve response rates and survival, but also the quality of life of patients. Areas covered. The following review is a comprehensive summary of various novel options reported over the past few years in the therapeutic area of adult ALL...
October 19, 2016: Expert Opinion on Pharmacotherapy
Marcin Braun, Agata Pastorczak, Wojciech Fendler, Joanna Madzio, Bartlomiej Tomasik, Joanna Taha, Marta Bielska, Lukasz Sedek, Tomasz Szczepanski, Michal Matysiak, Katarzyna Derwich, Monika Lejman, Jerzy Kowalczyk, Bernarda Kazanowska, Wanda Badowska, Jan Styczynski, Nina Irga-Jaworska, Joanna Trelinska, Beata Zalewska-Szewczyk, Filip Pierlejewski, Iwona Wlodarska, Wojciech Młynarski
The inactivation of tumor suppressor genes located within 9p21 locus (CDKN2A, CDKN2B) occurs in up to 30% of children with B-cell precursor acute lymphoblastic leukemia (BCP-ALL), but its independent prognostic significance remains controversial. In order to investigate the prognostic impact of deletions and promoter methylation within 9p21, 641 children with newly diagnosed BCP-ALL using methylation specific multiplex ligation-dependent probe amplification (MS-MLPA) were investigated. A total of 169 (26.4%) microdeletions in 9p21 were detected, of which 71 were homozygous...
October 18, 2016: Leukemia & Lymphoma
Lotte Møller Smedegaard, Anja Poulsen, Ines Ackerl Kristensen, Susanne Rosthøj, Kjeld Schmiegelow, Ulrikka Nygaard
BACKGROUND: Varicella-zoster virus (VZV) can be fatal or cause severe complications in children with acute lymphoblastic leukemia (ALL). This analysis set out to investigate the morbidity and mortality of VZV vaccination without interruption of maintenance therapy in children with ALL. METHODS: Files of 73 seronegative children with ALL were examined for data regarding VZV vaccination and infection, and long-term seroconversion was measured. Criteria before VZV vaccination were (1) seronegative, (2) in complete remission, (3) age ≥ 1...
November 2016: Pediatric Infectious Disease Journal
Yu Mi Seo, Seok Hwang-Bo, Seong Koo Kim, Seung Beom Han, Nack-Gyun Chung, Jin Han Kang
BACKGROUND: Although adenovirus (ADV) infection usually causes self-limiting respiratory disorders in immune competent children; severe and systemic ADV infection in children undergoing chemotherapy for leukemia has been continuously reported. Nevertheless, there has been no consensus on risk factors and treatment strategies for severe ADV infection in children undergoing chemotherapy. CASE SUMMARY: We report a case of a 15-year-old boy with a fatal systemic ADV infection...
October 2016: Medicine (Baltimore)
Mervi Taskinen, Trausti Oskarsson, Mette Levinsen, Matteo Bottai, Marit Hellebostad, Olafur Gisli Jonsson, Päivi Lähteenmäki, Kjeld Schmiegelow, Mats Heyman
BACKGROUND: Central nervous system irradiation (CNS-RT) has played a central role in the cure of acute lymphoblastic leukemia (ALL), but due to the risk of long-term toxicity, it is now considered a less-favorable method of CNS-directed therapy. PROCEDURES: Retrospectively, we estimated the effect of CNS involvement and CNS-RT on events and overall survival (OS) in 835 children treated for high-risk ALL in the Nordic Society of Paediatric Haematology and Oncology (NOPHO) ALL-92 and ALL-2000 trials...
October 17, 2016: Pediatric Blood & Cancer
Anita F Oliveira, Aline Tansini, Daniel O Vidal, Luiz F Lopes, Konradin Metze, Irene Lorand-Metze
BACKGROUND: Immunophenotyping of bone marrow (BM) hemopoietic precursors is useful for diagnosis of adult myelodysplastic syndrome (MDS), but data concerning pediatric patients are limited. We analyzed immunophenotypic features of BM cells at diagnosis of children who were referred to the Brazilian Pediatric Cooperative Group of Myelodysplastic Syndromes. METHODS: Diagnosis was based on clinical information, peripheral blood counts, BM cytology and cytogenetics...
October 17, 2016: Pediatric Blood & Cancer
Marina Kunstreich, Sebastian Kummer, Hans-Juergen Laws, Arndt Borkhardt, Michaela Kuhlen
The morbidity and toxicity associated with current intensive treatment protocols for acute lymphoblastic leukemia in childhood become even more important as the vast majority of children can be cured and become long-term survivors. Osteonecrosis is one of the most common therapy-related and debilitating side effects of anti-leukemic treatment and can adversely affect long-term quality of life. Incidence and risk factors vary substantially between study groups and therapeutic regimens. We therefore analyzed 22 clinical trials of childhood acute lymphoblastic leukemia in terms of osteonecrosis incidence and risk factors...
October 14, 2016: Haematologica
M-W Jin, S-M Xu, Q An, P Wang
OBJECTIVE: Leukemia is the most common cancer of childhood, with AML, CML, ALL and CLL being the most common. Environmental and genetic factors have been studied extensively in children with childhood leukemia. Other factors, such as the prenatal parental use of controlled substances, have not been investigated to the same degree. We review what is currently known about environmental and parental factors and the occurrence of leukemia in children. MATERIALS AND METHODS: Electronic databases were searched for studies correlated pediatric leukemia with (1) ionizing radiation; (2) benzene; (3) parental drug use (4) parental alcohol use; (5) genetic factors...
September 2016: European Review for Medical and Pharmacological Sciences
E Waanders, B Scheijen, M C J Jongmans, H Venselaar, S V van Reijmersdal, A H A van Dijk, A Pastorczak, R D A Weren, C E van der Schoot, M van de Vorst, E Sonneveld, N Hoogerbrugge, V H J van der Velden, B Gruhn, P M Hoogerbrugge, J J M van Dongen, A G van Kessel, F N van Leeuwen, R P Kuiper
The contribution of genetic predisposing factors to the development of pediatric acute lymphoblastic leukemia (ALL), the most frequently diagnosed cancer in childhood, has not been fully elucidated. Children presenting with multiple de novo leukemias are more likely to suffer from genetic predisposition. Here, we selected five of these patients and analyzed the mutational spectrum of normal and malignant tissues. In two patients, we identified germline mutations in TYK2, a member of the JAK tyrosine kinase family...
October 13, 2016: Leukemia: Official Journal of the Leukemia Society of America, Leukemia Research Fund, U.K
A Dong, Y Y Wu, Y L Rao, W Li, R Tao, J Yan
No abstract text is available yet for this article.
September 14, 2016: Zhonghua Xue Ye Xue za Zhi, Zhonghua Xueyexue Zazhi
Isabel de de la Fuente Garcia, Léna Coïc, Jean-Marie Leclerc, Caroline Laverdière, Céline Rousseau, Philippe Ovetchkine, Bruce Tapiéro
BACKGROUND: The objective of this retrospective study was to assess protection against vaccine preventable diseases (VPDs) in children treated for acute lymphoblastic leukemia (ALL). PROCEDURE: Clinical characteristics and vaccination records were collected. Antibodies against VPDs were measured after completion of chemotherapy and after a booster dose of vaccine. Immunization status of household members was evaluated. RESULTS: Sixty children were included...
October 8, 2016: Pediatric Blood & Cancer
Juan Han, Runming Jin, Meiling Zhang, Qing Guo, Fen Zhou
Ikaros isoform 6 (Ik6) is associated with a poor prognosis for children with acute lymphoblastic leukemia (ALL). Our previous study demonstrated that overexpression of Ik6 enhances proliferation and chemoresistance of leukemia cells, with a possible underlying mechanism that involves antiapoptosis. In the present study, we investigated whether Ik6 protects against apoptosis by regulating the Akt-FoxO1 pathway. Bone marrow samples from children with ALL were collected and evaluated. In Ik6(+) patients, the Akt-FoxO1 pathway was activated such that expression of phosphorylated Akt and FoxO1 was significantly increased, but that of Bim and p27 decreased...
October 5, 2016: Journal of Leukocyte Biology
Laurence Baranger, Wendy Cuccuini, Christine Lefebvre, Isabelle Luquet, Christine Perot, Isabelle Radford, Marina Lafage-Pochitaloff
Cytogenetic analyses (karyotype and, if necessary, appropriate complementary FISH analyses) are mandatory at diagnosis in acute lymphoblastic leukemia (ALL) as their results are taken into account in therapeutic protocols due to their diagnostic and prognostic values. In some cases, karyotype can be completed by other techniques (RT-PCR, RQ-PCR, DNA content, SNP-array, MLPA…) that can be equally or more informative than FISH. Here, we have tempted to establish guidelines concerning karyotype and FISH analyses according to the most recent data of the litterature which is reviewed here, completing the 2008 WHO classification with the recent new cytogenomic entities such as Ph-like ALL and indicating possible therapeutic implications...
October 1, 2016: Annales de Biologie Clinique
Heidrun Boztug, Nora Mühlegger, Ulrike Pötschger, Andishe Attarbaschi, Christina Peters, Georg Mann, Michael Dworzak
Intensive chemotherapy directed against acute myeloid leukemia of childhood is followed by profound neutropenia and high risk for bacterial and fungal infections, including viridans group streptococci as a common cause for gram-positive septicemia. Few retrospective studies have shown the efficacy of various antibiotic prophylactic regimens in children. We retrospectively studied 50 pediatric patients treated on the AML-BFM 2004 protocol between 2005 and 2015 at St. Anna Children's Hospital and assessed the effect of antibiotic prophylaxis on the frequency of febrile neutropenia and bacterial sepsis...
October 4, 2016: Annals of Hematology
M Kato, S Ishimaru, M Seki, K Yoshida, Y Shiraishi, K Chiba, N Kakiuchi, Y Sato, H Ueno, H Tanaka, T Inukai, D Tomizawa, D Hasegawa, T Osumi, Y Arakawa, T Aoki, M Okuya, K Kaizu, K Kato, Y Taneyama, H Goto, T Taki, M Takagi, M Sanada, K Koh, J Takita, S Miyano, S Ogawa, A Ohara, M Tsuchida, A Manabe
In the treatment of childhood acute lymphoblastic leukemia (ALL), excess shortening of maintenance therapy resulted in high relapse rate, as shown by our previous trial, TCCSG L92-13, in which maintenance therapy was terminated at one year from initiation of treatment. In this study, we aimed to confirm the long-term outcome of L92-13, and to identify who can or cannot be cured by shorter duration of maintenance therapy. To obtain sentinel cytogenetics information which had been missed before, we performed genetic analysis with genomic microarray and target intron-capture sequencing from diagnostic bone marrow smear...
October 4, 2016: Leukemia: Official Journal of the Leukemia Society of America, Leukemia Research Fund, U.K
Lauren K Williams, Maria C McCarthy, Kylie Burke, Vicki Anderson, Nicole Rinehart
PURPOSE: Child emotional and behavioral problems constitute significant sequelae of acute lymphoblastic leukemia (ALL) treatment. The aims of this study were to a) examine the feasibility, acceptability and satisfaction of a parenting intervention amongst parents of children with ALL and b) explore whether participation in a parenting intervention shows promise for improvements in child behavior. METHODS: 12 parents with a child aged between 2 and 8 years receiving maintenance phase treatment for ALL participated in a phase 2 randomized controlled trial comparing eight weeks of group online participation in Triple P: Positive Parenting Program with no intervention...
October 2016: European Journal of Oncology Nursing: the Official Journal of European Oncology Nursing Society
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