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Acute lymphoblastic leukemia

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https://www.readbyqxmd.com/read/27906481/experience-and-nursing-needs-of-school-age-children-undergoing-lumbar-puncture-during-the-treatment-of-acute-lymphoblastic-leukemia-a-descriptive-and-qualitative-study
#1
Anwei Xie, Yuying Shan, Mei E Niu, Yi Chen, Xiya Wang
AIMS AND OBJECTIVES: To describe experiences and nursing needs of school-age Chinese children undergoing lumbar puncture for the treatment of acute lymphoblastic leukemia (ALL). BACKGROUND: Lumbar puncture is an invasive procedure, causing psychological changes and physical discomfort in patients. In a previous study, it was proved that distraction intervention, such as music therapy, relieves pain and anxiety. There is limited evidence regarding the experience and needs of school-age children during lumbar puncture after being diagnosed with acute lymphoblastic leukemia...
December 1, 2016: Journal of Clinical Nursing
https://www.readbyqxmd.com/read/27904561/analysis-of-outcomes-and-prognostic-factors-of-acute-lymphoblastic-leukemia-patients-treated-by-mcp841-protocol-a-regional-cancer-center-experience
#2
Akhil Kapoor, Ashok Kalwar, Narender Kumar, Mukesh Kumar Singhal, Surender Beniwal, Harvindra Singh Kumar
BACKGROUND: A dramatic improvement in the survival of acute lymphoblastic leukemia (ALL) patients in the last three decades has been observed. MCP 841 protocol is an old but effective tool with tolerable toxicities. The objective of this study was to estimate the relapse-free survival of ALL patients treated uniformly with MCP 841 protocol on the basis of various prognostic factors. MATERIALS AND METHODS: The study design was retrospective and it was conducted in a regional cancer center of Northwest India...
2016: Journal of Research in Medical Sciences: the Official Journal of Isfahan University of Medical Sciences
https://www.readbyqxmd.com/read/27903673/combining-anti-mir-155-with-chemotherapy-for-the-treatment-of-lung-cancers
#3
Katrien Van Roosbroeck, Francesca Fanini, Tetsuro Setoyama, Cristina Ivan, Cristian Rodriguez-Aguayo, Enrique Fuentes-Mattei, Lianchun Xiao, Ivan Vannini, Roxana Redis, Lucilla D'Abundo, Xinna Zhang, Milena S Nicoloso, Simona Rossi, Vianey Gonzalez-Villasana, Rajesha Rupaimoole, Manuela Ferracin, Fortunato Morabito, Antonino Neri, Peter Ruvolo, Vivian R Ruvolo, Chad V Pecot, Dino Amadori, Lynne Aruzzo, Steliana Calin, Xuemei Wang, M James You, Alessandra Ferrajoli, Robert Z Orlowski, William Plunkett, Tara Lichtenberg, Ramana V Davuluri, Ioana Berindan-Neagoe, Massimo Negrini, Ignacio I Wistuba, Kantarjian Hagop, Anil K Sood, Gabriel Lopez-Berestein, Michael J Keating, Muller Fabbri, George A Calin
Purpose The oncogenic miR-155 is upregulated in many human cancers and its expression is increased in more aggressive and therapy resistant tumors, but the molecular mechanisms underlying miR-155-induced therapy resistance are not fully understood. The main objectives of this study were to determine the role of miR-155 in resistance to chemotherapy and to evaluate anti-miR-155 treatment to chemosensitize tumors. Experimental Design We performed in vitro studies on cell lines to investigate the role of miR-155 in therapy resistance...
November 30, 2016: Clinical Cancer Research: An Official Journal of the American Association for Cancer Research
https://www.readbyqxmd.com/read/27903646/whole-transcriptome-sequencing-identified-a-distinct-subtype-of-acute-lymphoblastic-leukemia-with-predominant-genomic-abnormalities-of-ep300-and-crebbp
#4
Maoxiang Qian, Hui Zhang, Shirley Kow-Yin Kham, Shuguang Liu, Chuang Jiang, Xujie Zhao, Yi Lu, Charnise Goodings, Ting-Nien Lin, Ranran Zhang, Takaya Moriyama, Zhaohong Yin, Zhenhua Li, Thuan Chong Quah, Hany Ariffin, Ah Moy Tan, Shuhong Shen, Deepa Bhojwani, Shaoyan Hu, Suning Chen, Huyong Zheng, Ching-Hon Pui, Allen Eng-Juh Yeoh, Jun J Yang
Chromosomal translocations are a genomic hallmark of many hematologic malignancies. Often as initiating events, these structural abnormalities result in fusion proteins involving transcription factors important for hematopoietic differentiation and/or signaling molecules regulating cell proliferation and cell cycle. In contrast, epigenetic regulator genes are more frequently targeted by somatic sequence mutations, possibly as secondary events to further potentiate leukemogenesis. Through comprehensive whole transcriptome sequencing of 231 children with acute lymphoblastic leukemia (ALL), we identified 58 putative functional and predominant fusion genes in 54...
November 30, 2016: Genome Research
https://www.readbyqxmd.com/read/27903530/near-haploid-and-low-hypodiploid-acute-lymphoblastic-leukemia-two-distinct-subtypes-but-consistently-poor-prognosis
#5
Setareh Safavi, Kajsa Paulsson
Hypodiploidy <40 chromosomes is an uncommon genetic feature of acute lymphoblastic leukemia (ALL) in both children and adults. It has long been clear by cytogenetic analyses, and recently confirmed by mutational profiling, that these cases may be further subdivided into two subtypes: near-haploid ALL with 24-30 chromosomes and low hypodiploid ALL with 31-39 chromosomes. Both groups are associated with a very poor prognosis and these patients are among those who could benefit most from novel treatments.
November 30, 2016: Blood
https://www.readbyqxmd.com/read/27903527/standardized-flow-cytometry-for-highly-sensitive-mrd-measurements-in-b-cell-acute-lymphoblastic-leukemia
#6
Prisca Theunissen, Ester Mejstrikova, Lukasz Sedek, Alita J van der Sluijs-Gelling, Giuseppe Gaipa, Marius Bartels, Elaine Sobral da Costa, Michaela Kotrov Aacute, Michaela Novakova, Edwin Sonneveld, Chiara Buracchi, Paola Bonaccorso, Elen Oliviera, Jeroen G Te Marvelde, Tomasz Szczepanski, Ludovic Lhermitte, Ondrej Hrusak, Quentin Lecrevisse, Georgiana Emilia Grigore, Eva Fronkov Aacute, Jan Trka, Monika Brüggemann, Alberto Orfao, Jacques J M van Dongen, Vincent H J van der Velden
A fully-standardized EuroFlow 8-color antibody panel and laboratory procedure was stepwise designed to measure minimal residual disease (MRD) in B-cell precursor (BCP) acute lymphoblastic leukemia (ALL) patients with a sensitivity of ≤10(-5), comparable to real-time quantitative (RQ)-PCR-based MRD detection via antigen-receptor rearrangements. Leukocyte markers and the corresponding antibodies and fluorochromes were selected based on their contribution in separating BCP-ALL cells from normal/regenerating BCP cells in multidimensional principal component analyses...
November 30, 2016: Blood
https://www.readbyqxmd.com/read/27902457/tfdp3-confers-chemoresistance-in-minimal-residual-disease-within-childhood-t-cell-acute-lymphoblastic-leukemia
#7
Ming Chu, Kailin Yin, Yujun Dong, Pingzhang Wang, Yun Xue, Peng Zhou, Yuqi Wang, Yuedan Wang
Acquired drug resistance in childhood T-cell acute lymphoblastic leukemia (T-ALL) remains a significant clinical problem. In this study, a novel gene therapy target for childhood T-ALL to overcome chemoresistance was discovered: TFDP3 increased in the minimal residual disease (MRD) positive childhood T-ALL patients. Then, we established a preclinical model of resistance to induction therapy to examine the functional relevance of TFDP3 to chemoresistance in MRD derived from Jurkat/E6-1. Jurkat xenografts in NOD/SCID mice were exposed to a four drug combination (VXLD) of vincristine (VCR), dexamethasone (DEX), L-asparaginase (L-asp) and daunorubicin (DNR)...
November 26, 2016: Oncotarget
https://www.readbyqxmd.com/read/27899971/the-targetable-role-of-herpes-virus-associated-ubiquitin-specific-protease-hausp-in-p190-bcr-abl-leukemia
#8
Giovanna Carrà, Cristina Panuzzo, Sabrina Crivellaro, Deborah Morena, Riccardo Taulli, Angelo Guerrasio, Giuseppe Saglio, Alessandro Morotti
Philadelphia chromosome-positive (Ph(+)) acute lymphoblastic leukemia (ALL) is driven by the p190 breakpoint cluster region (BCR)-ABL isoform. Although effectively targeted by BCR-ABL tyrosine kinase inhibitors (TKIs), ALL is associated with a less effective response to TKIs compared with chronic myeloid leukemia. Therefore, the identification of additional genes required for ALL maintenance may provide possible therapeutic targets to aid the eradication of this cancer. The present study demonstrated that p190 BCR-ABL is able to interact with the deubiquitinase herpesvirus-associated ubiquitin-specific protease (HAUSP), which in turn affects p53 protein stability...
November 2016: Oncology Letters
https://www.readbyqxmd.com/read/27899822/mir-150-exerts-antileukemia-activity-in-vitro-and-in-vivo-through-regulating-genes-in-multiple-pathways
#9
Zhi Hong Fang, Si Li Wang, Jin Tao Zhao, Zhi Juan Lin, Lin Yan Chen, Rui Su, Si Ting Xie, Bing Z Carter, Bing Xu
MicroRNAs, a class of small noncoding RNAs, have been implicated to regulate gene expression in virtually all important biological processes. Although accumulating evidence demonstrates that miR-150, an important regulator in hematopoiesis, is deregulated in various types of hematopoietic malignancies, the precise mechanisms of miR-150 action are largely unknown. In this study, we found that miR-150 is downregulated in samples from patients with acute lymphoblastic leukemia, acute myeloid leukemia, and chronic myeloid leukemia, and normalized after patients achieved complete remission...
September 22, 2016: Cell Death & Disease
https://www.readbyqxmd.com/read/27899802/genomic-and-transcriptional-landscape-of-p2ry8-crlf2-positive-childhood-acute-lymphoblastic-leukemia
#10
C Vesely, C Frech, C Eckert, G Cario, A Mecklenbräuker, U Zur Stadt, K Nebral, F Kraler, S Fischer, A Attarbaschi, M Schuster, C Bock, H Cavé, A von Stackelberg, M Schrappe, M A Horstmann, G Mann, O A Haas, R Panzer-Grümayer
Children with P2RY8-CRLF2-positive ALL have an increased relapse risk. Their mutational and transcriptional landscape as well as the respective patterns at relapse remains largely elusive. We therefore performed an integrated analysis of whole-exome and RNA-sequencing in 41 major clone fusion-positive cases including 19 matched diagnosis/relapse pairs. We detected a variety of frequently subclonal and highly instable JAK/STAT but also RTK/Ras pathway activating mutations in 76% of cases at diagnosis and virtually all relapses...
November 30, 2016: Leukemia: Official Journal of the Leukemia Society of America, Leukemia Research Fund, U.K
https://www.readbyqxmd.com/read/27899526/dynamic-pre-bcr-homodimers-fine-tune-autonomous-survival-signals-in-b-cell-precursor-acute-lymphoblastic-leukemia
#11
M Frank Erasmus, Ksenia Matlawska-Wasowska, Ichiko Kinjyo, Avanika Mahajan, Stuart S Winter, Li Xu, Michael Horowitz, Diane S Lidke, Bridget S Wilson
The pre-B cell receptor (pre-BCR) is an immature form of the BCR critical for early B lymphocyte development. It is composed of the membrane-bound immunoglobulin (Ig) heavy chain, surrogate light chain components, and the signaling subunits Igα and Igβ. We developed monovalent quantum dot (QD)-labeled probes specific for Igβ to study the behavior of pre-BCRs engaged in autonomous, ligand-independent signaling in live B cells. Single-particle tracking revealed that QD-labeled pre-BCRs engaged in transient, but frequent, homotypic interactions...
November 29, 2016: Science Signaling
https://www.readbyqxmd.com/read/27899524/science-signaling-podcast-for-29-november-2016-pre-b-cell-receptor-signaling-in-leukemia
#12
Bridget S Wilson, Annalisa M VanHook
This Podcast features an interview with Bridget Wilson, author of a Research Article that appears in the 29 November 2016 issue of Science Signaling, about pre-B cell receptor (pre-BCR) signaling in B cell precursor acute lymphoblastic leukemia (BCP-ALL). Signaling through the pre-BCR, an immature form of the BCR, promotes the survival of B cell progenitors and has been implicated in the pathology of BCP-ALL. Erasmus et al found that pre-BCRs formed transient homomeric complexes that correlated with pro-survival signaling...
November 29, 2016: Science Signaling
https://www.readbyqxmd.com/read/27898077/corrigendum-recurrent-dux4-fusions-in-b-cell-acute-lymphoblastic-leukemia-of-adolescents-and-young-adults
#13
Takahiko Yasuda, Shinobu Tsuzuki, Masahito Kawazu, Fumihiko Hayakawa, Shinya Kojima, Toshihide Ueno, Naoto Imoto, Shinji Kohsaka, Akiko Kunita, Koichiro Doi, Toru Sakura, Toshiaki Yujiri, Eisei Kondo, Katsumichi Fujimaki, Yasunori Ueda, Yasutaka Aoyama, Shigeki Ohtake, Junko Takita, Eirin Sai, Masafumi Taniwaki, Mineo Kurokawa, Shinichi Morishita, Masashi Fukayama, Hitoshi Kiyoi, Yasushi Miyazaki, Tomoki Naoe, Hiroyuki Mano
No abstract text is available yet for this article.
November 29, 2016: Nature Genetics
https://www.readbyqxmd.com/read/27895788/effects-of-microrna-21-on-the-biological-functions-of-t-cell-acute-lymphoblastic-lymphoma-leukemia
#14
Cunzhen Shi, Xudong Zhang, Xin Li, Lei Zhang, Ling Li, Zhenchang Sun, Xiaorui Fu, Jingjing Wu, Yu Chang, Wencai Li, Qingjiang Chen, Mingzhi Zhang
Previous studies have demonstrated that microRNA-21 (miR-21) is an oncogene and is significantly upregulated in tumor tissue. However, its association with T-cell acute lymphoblastic lymphoma/leukemia (T-ALL) remains poorly understood. The aim of the present study was to investigate the effects of miR-21 on T-ALL cells by constructing Jurkat cells infected with recombinant adenovirus adv-miR-21 or adv-anti-miR-21. In addition, the target gene of miR-21 was identified by reverse transcription-quantitative polymerase chain reaction and western blotting...
November 2016: Oncology Letters
https://www.readbyqxmd.com/read/27895780/curcumin-potentiates-the-effect-of-chemotherapy-against-acute-lymphoblastic-leukemia-cells-via-downregulation-of-nf-%C3%AE%C2%BAb
#15
Helia Judith Pimentel-Gutiérrez, Lucina Bobadilla-Morales, César Cenobio Barba-Barba, Citlalli Ortega-De-La-Torre, Fernando Antonio Sánchez-Zubieta, Jorge Román Corona-Rivera, Betsy Annel González-Quezada, Juan S Armendáriz-Borunda, Rocío Silva-Cruz, Alfredo Corona-Rivera
Acute lymphoblastic leukemia (ALL) accounts for 30% of all pediatric cancers. Currently available treatments exhibit toxicity and certain patients may develop resistance. Thus, less toxic and chemoresistance-reversal agents are required. In the present study, the potential effect of curcumin, a component of Curcuma longa, as a pharmacological co-adjuvant of several chemotherapeutic agents against ALL, including prednisone, 6-mercaptopurine, dexamethasone, cyclophosphamide, l-asparaginase, vincristine, daunorubicin, doxorubicin, methotrexate and cytarabine, was investigated in the REH ALL cell line cultures treated in combination with chemotherapeutic agents and curcumin...
November 2016: Oncology Letters
https://www.readbyqxmd.com/read/27895713/coexistence-of-iamp21-and-etv6-runx1-fusion-in-an-adolescent-with-b-cell-acute-lymphoblastic-leukemia-literature-review-of-six-additional-cases
#16
Jun Gu, Alexandra Reynolds, Lianghua Fang, Corrie DeGraffenreid, Kenneth Sterns, Keyur P Patel, L Jeffrey Medeiros, Pei Lin, Xinyan Lu
BACKGROUND: Intrachromosomal amplification of chromosome 21 (iAMP21) results from breakage-fusion-bridge cycles and chromothripsis is a distinct marker of a subgroup of B cell acute lymphoblastic leukemia (B-ALL) cases associated with a poor prognosis. iAMP21 accounts for 2% of pediatric B-ALL and occurs predominantly in older children or adolescents. ETV6-RUNX1 fusion, resulting from t(12;21)(p13;q22), is associated with an excellent outcome in younger children with B-ALL. Coexistence of iAMP21 with ETV6-RUNX1 fusion is extremely rare with limited clinical information available...
2016: Molecular Cytogenetics
https://www.readbyqxmd.com/read/27894622/a-case-of-philadelphia-chromosome-positive-acute-lymphoblastic-leukemia-with-partial-trisomy-of-chromosome-1q-involving-chromosome-13-as-the-acceptor-a-novel-cytogenetic-finding
#17
Mohit Bharadwaj, Anurag Sharma, Rahul Katara, Dinesh Pradhan, Raman Arora, Reena Mittal, Sambit K Mohanty
The Philadelphia (Ph) chromosome is infrequently found in acute lymphoblastic leukemia and is associated with poor prognosis. We present a case of Ph chromosome positive B cell-acute lymphoblastic leukemia with the partial trisomy of chromosome 1q involving chromosome 13 as the acceptor which has never been reported in the English literature. Jumping translocation (JT) of chromosome 1 is rare and is associated with disease progression and poor prognosis. Herein, we report the first case of Ph chromosome positive B cell-acute lymphoblastic leukemia with coexisting jumping translocation of chromosome 1 leading to trisomy of chromosome 1q...
September 4, 2016: Pathology, Research and Practice
https://www.readbyqxmd.com/read/27894117/t-1-9-p34-q34-sfpq-abl1-fusion-in-a-patient-with-ph-like-common-b-cell-acute-lymphoblastic-leukemia
#18
Guangying Sheng, Zhao Zeng, Jinlan Pan, Qinrong Wang, Hong Yao, Lijun Wen, Liang Ma, Depei Wu, Suning Chen
No abstract text is available yet for this article.
November 29, 2016: Acta Haematologica
https://www.readbyqxmd.com/read/27894077/tyrosine-kinase-fusion-genes-in-pediatric-bcr-abl1-like-acute-lymphoblastic-leukemia
#19
Judith M Boer, Elisabeth M P Steeghs, João R M Marchante, Aurélie Boeree, James J Beaudoin, H Berna Beverloo, Roland P Kuiper, Gabriele Escherich, Vincent H J van der Velden, C Ellen van der Schoot, Hester A de Groot-Kruseman, Rob Pieters, Monique L den Boer
Approximately 15% of pediatric B cell precursor acute lymphoblastic leukemia (BCP-ALL) is characterized by gene expression similar to that of BCR-ABL1-positive disease and unfavorable prognosis. This BCR-ABL1-like subtype shows a high frequency of B-cell development gene aberrations and tyrosine kinase-activating lesions. To evaluate the clinical significance of tyrosine kinase gene fusions in children with BCP-ALL, we studied the frequency of recently identified tyrosine kinase fusions, associated genetic features, and prognosis in a representative Dutch/German cohort...
November 22, 2016: Oncotarget
https://www.readbyqxmd.com/read/27891349/unusual-presentation-of-acute-leukaemia-a-tripod-of-cases
#20
Manjari Kishore, Vijay Kumar, Sadhna Marwah, Abhay S Nigam
Acute Leukemia is one of the common haematological malignancies encountered with varied clinical and haematological presentation. In acute leukaemia, complications like bleeding and infection cause significant morbidity and mortality, thus overshadowing the thromboembolic events. Among the various malignant haematological disorders, the association of thromboembolic events is often noted with acute promyelocytic leukemia, though the overall frequency of such events remains very low. Acute Lymphoblastic Leukemia (ALL) is, however, more common than Acute non-lymphoblastic Leukaemia...
October 2016: Journal of Clinical and Diagnostic Research: JCDR
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