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https://www.readbyqxmd.com/read/28644949/hematopoietic-cell-transplantation-for-acute-lymphoblastic-leukemia-in-adult-patients
#1
REVIEW
Riad El Fakih, Syed Ahmed, Feras Alfraih, Amr Hanbali
Acute lymphoblastic leukemia (ALL) consists of precursor B ALL or T ALL phenotypes. In the pediatric population, ALL patients enjoy an 80% long-term survival with the current pediatric chemotherapy protocols as compared with 50% long-term survival in the adult population. In adults, complete remission rates are similar to those of pediatric patients; however, long-term survival is much lower with the majority of deaths attributable to relapsed disease. Postremission consolidation strategies in adults include chemotherapy, autologous, or allogeneic transplant...
June 15, 2017: Hematology/oncology and Stem Cell Therapy
https://www.readbyqxmd.com/read/28644853/the-novel-phospholipid-mimetic-kpc34-is-highly-active-against-preclinical-models-of-philadelphia-chromosome-positive-acute-lymphoblastic-leukemia
#2
Peter M Alexander, David L Caudell, Gregory L Kucera, Kristin M Pladna, Timothy S Pardee
Philadelphia chromosome positive B cell acute lymphoblastic leukemia (Ph+ ALL) is an aggressive cancer of the bone marrow. The addition of tyrosine kinase inhibitors (TKIs) has improved outcomes but many patients still suffer relapse and novel therapeutic agents are needed. KPC34 is an orally available, novel phospholipid conjugate of gemcitabine, rationally designed to overcome multiple mechanisms of resistance, inhibit the classical and novel isoforms of protein kinase C, is able to cross the blood brain barrier and is orally bioavailable...
2017: PloS One
https://www.readbyqxmd.com/read/28644306/the-associations-of-height-for-age-weight-for-age-and-weight-for-height-with-pediatric-acute-lymphoblastic-leukemia
#3
Jeremy M Schraw, Ann T Henson, Michael E Scheurer, Michele R Forman
Height at diagnosis has been analyzed in connection with acute lymphoblastic leukemia (ALL). Most prior studies have compared cases to national reference data derived from previous birth cohorts. Our objective was to determine the association of height-for-age Z score (HAZ) at time of diagnosis with the odds ratio (OR) of ALL in a case-control study (N=498) with a contemporaneous population of age-matched, sex-matched, and ethnicity-matched controls. We hypothesized that cases would have greater mean HAZ at time of diagnosis/interview, after adjustment for weight-for-age (WAZ) and weight-for-height (WHZ)...
July 2017: Journal of Pediatric Hematology/oncology
https://www.readbyqxmd.com/read/28644144/meta-analysis-of-the-clinical-characteristics-and-prognostic-relevance-of-notch1-and-fbxw7-mutation-in-t-cell-acute-lymphoblastic-leukemia
#4
Rong-Bin Liu, Jian-Gui Guo, Tian-Ze Liu, Cheng-Cheng Guo, Xin-Xiang Fan, Xiao Zhang, Xiu-Yu Cai, Wei-Han Hu
The NOTCH1 signaling pathway is crucial for T-cell development, and NOTCH1 and/or FBXW7 mutations are frequently detected in T-cell acute lymphoblastic leukemia (T-ALL). We performed a systematic review and meta-analysis of 18 randomized controlled trials (RCTs) to assess the prognostic impact of mutations in the NOTCH1 pathway. After retrieving relevant articles from PubMed, EMBASE, and the Cochrane Library, we investigated overall survival (OS) and event-free survival (EFS) with hazard ratios (HRs) using fixed-effects or random-effects models and conducted subgroup analyses based on population and mutation status...
June 19, 2017: Oncotarget
https://www.readbyqxmd.com/read/28644129/anti-cd47-antibodies-induce-phagocytosis-of-live-malignant-b-cells-by-macrophages-via-the-fc-domain-resulting-in-cell-death-by-phagoptosis
#5
Lucy E Métayer, Anna Vilalta, G A Amos Burke, Guy C Brown
When expressed on the surface of cells, CD47 inhibits phagocytosis of these cells by phagocytes. Most human cancers overexpress CD47, and antibodies to CD47 have shown a remarkable ability to clear a range of cancers in animal models. However, the mechanism by which these antibodies cause cancer cell death is unclear. We find that CD47 is expressed on the surface of three B-cell lines from human malignancies: 697 (pre-B-ALL lymphoblasts), Ramos and DG-75 (both mature B-cells, Burkitt's lymphoma), and anti-CD47 antibodies greatly increase the phagocytosis of all three cell line by macrophages...
June 15, 2017: Oncotarget
https://www.readbyqxmd.com/read/28643723/management-of-a-case-of-candida-albicans-endogenous-endophthalmitis-with-intravitreal-caspofungin
#6
Harshali Manish Yadav, Boben Thomas, Cherian Thampy, Tandava Krishnan Panaknti
We report a case of Candida albicans endogenous endophthalmitis treated with intravitreal caspofungin. The patient was a known case of acute lymphoblastic leukemia on chemotherapy and presented to us with features suggestive of endogenous endophthalmitis. He was treated initially with intravenous (IV) caspofungin and intravitreal amphotericin B. Patients condition worsened after IV caspofungin was replaced by amphotericin B necessitating a core vitrectomy. The patient was given the option of off-label caspofungin intravitreal injection for which the patient consented...
June 2017: Indian Journal of Ophthalmology
https://www.readbyqxmd.com/read/28642445/identification-of-a-cytogenetic-and-molecular-subgroup-of-acute-myeloid-leukemias-showing-sensitivity-to-l-asparaginase
#7
Salvatore Nicola Bertuccio, Salvatore Serravalle, Annalisa Astolfi, Annalisa Lonetti, Valentina Indio, Anna Leszl, Andrea Pession, Fraia Melchionda
L-Asparaginase (L-Asp) is an enzyme that catalyzes the hydrolysis of L-asparagine to L-aspartic acid, and its depletion induces leukemic cell death. L-Asp is an important component of treatment regimens for Acute Lymphoblastic Leukemia (ALL). Sensitivity to L-Asp is due to the absence of L-Asparagine synthetase (ASNS), the enzyme that catalyzes the biosynthesis of L-asparagine. ASNS gene is located on 7q21.3, and its increased expression in ALLs correlates with L-Asp resistance. Chromosome 7 monosomy (-7) is a recurrent aberration in myeloid disorders, particularly in adverse-risk Acute Myeloid Leukemias (AMLs) and therapy-related myeloid neoplasms (t-MN), that leads to a significant downregulation of the deleted genes, including ASNS...
June 19, 2017: Oncotarget
https://www.readbyqxmd.com/read/28641661/-clinical-and-pathologic-features-of-myeloid-sarcoma
#8
Ya-Jun Jiang, Hong-Xia Wang, Wan-Chuan Zhuang, Hao Chen, Chang Zhang, Xiu-Mei Li, Gui-Hua Zhu, Yao He
OBJECTIVE: To explore the clinicopathologic features, differential diagnosis and therapy of myeloid sarcoma. METHODS: The clinical data including clinical manifestations, laboratorial tests, histopathologicical examination, immunohistochemistry and clinical prognosis of 10 patients with myeloid sarcoma were analyzed retrospectively. Among 10 patients, 5 male and 5 female, aged 23 to 71 years old (median = 36 years). RESULTS: 2 cases of myeloid sarcoma were secondary from chronic myeloid leukemia, and 1 cases of myeloid sarcoma occurred after the allogeneic hematopoietic stem cell transplantation due to acute myeloid leukemia, and the others lacked the anamnesis of malignancies...
June 2017: Zhongguo Shi Yan Xue Ye Xue za Zhi
https://www.readbyqxmd.com/read/28641656/-effect-of-human-umbilical-cord-blood-derived-mesenchymal-stem-cells-on-the-proliferation-and-apoptosis-of-leukemic-cells-and-its-mechanism
#9
Ming-Ying Li, Chun-Ting Zhao, Bo-Li Cui, Shao-Ling Wu, Xiao-Dan Liu, Zhan Su, Tian-Lan Li, Ling-Jie Sun, Wei Wang, Xiao-Yan Ju
OBJECTIVE: To investigate the effects of human umbilical cord blood-derived mesenchymal stem cells(HUCMSC) on the leukemic cell line HL-60 and acute lymphoblastic leukemia cell line Jurkat as well as the role of CXCL12/CXCR4. METHODS: HL-60 cells and Jurkat cells were co-cultured with human umbilical cord blood mesenchymal stem cell (HUCMSC), and the model was treated with G-CSF, AMD3100 and their combination. The cell viability and cell cycle were measured by Cell Counting Kit-8 (CCK-8), the apoptosis and the cell-cycle analysis were assessed by flow cytometry with the Annexin V/PI double staining...
June 2017: Zhongguo Shi Yan Xue Ye Xue za Zhi
https://www.readbyqxmd.com/read/28641635/-application-of-mir-182-for-determination-of-glucocorticoid-resistant-patients-with-lymphoid-malignancy
#10
Ying-Wei Hu, Shi-Yu Chen, Yan-Hui Xie
OBJECTIVE: To validate the clinical relationship between miR-182 and glucocorticoid-resistance in patients with lymphoid malignancy. METHODS: Real-time quantitative PCR(qRT-PCR) was employed to detect the expression of miR-182 in lymphoma patients (68 cases, the specimens indluded bone marrow of 20 cases, and plasma of 48 cases), multiple myeloma patients (24 cases, the specimens included bone marrow of 14 cases and plasma of 10 cases), ALL patients (3 cases, specimen was plasma of 3 cases) and non-lymphotic system disorder patients (18 cases, specimens included bone marrow of 8 cases and plasma of 10 cases)...
June 2017: Zhongguo Shi Yan Xue Ye Xue za Zhi
https://www.readbyqxmd.com/read/28641630/-sdf-1%C3%AE-cxcr4-mediated-drug-resistance-can-be-reversed-by-ibrutinib-in-acute-lymphoblastic-leukemia
#11
Yuan-Yuan Hu, Shan-Dong Tao, Jing-Jing Ma, Li-Tao Zhou, Yue Chen, Liang Yu
OBJECTIVE: To explore the effect of Ibrutinib on the chemoresistance mediated by SDF-1α/CXCR4 axis in ALL cells. METHODS: Flow cytometry was used to detect the apoptosis of cell line and expression of surface membrane CXCR4, Western blot was used to determine the expression level of CXCR4, ERK and Bcl-xL proteins, qPCR was used to assay the mRNA level of CXCR4. RESULTS: Ibrutinib enhanced the apoptosis induced by adriamycin(ADR) (17.100±4...
June 2017: Zhongguo Shi Yan Xue Ye Xue za Zhi
https://www.readbyqxmd.com/read/28641626/-clinical-significance-of-minimal-residual-disease-in-risk-stratification-and-prognosis-of-childhood-b-lineage-acute-lymphoblastic-leukemia
#12
Fen-Yan An, Shu-Hong Zhang, Ling-Jun Kong, Ying Liang, Ji-Xin Xu, Hai-Long He, Yi-Huai Chai, Wen-Li Zhao
OBJECTIVE: To explore clinical significance of monitoring the level of minimal residual disease (MRD) at different time point in the risk stratification and prognosis of Childhood B-lineage Acute Lymphoblastic Leukemia. METHODS: Three hundred and eighty cases of children's B-ALL from Augest 2008 to January 2013 in our hospital were enrolled in this study. MRD levels were detected at day 15, day 33 and week 12 after initial chemotherapy. The event-free survival(EFS) and overall survival (OS) were measured on the basis of MRD levels at different stages of chemotherapy and were compared by Kaplan Meier analyses...
June 2017: Zhongguo Shi Yan Xue Ye Xue za Zhi
https://www.readbyqxmd.com/read/28641623/-analysis-of-clinical-characteristics-and-therapeutic-efficacy-in-61-adult-patients-with-acute-lymphoblastic-leukemia
#13
Xiao-Ping Zhang, Bao-An Chen, Zheng Ge, Ran Liu, Xiao-Yan Ma, Chong Gao
OBJECTIVE: To investigate the clinical characteristics and curative effect in 61 adult patients with acute lymphoblastic leukemia (ALL). METHODS: The clinical data of 61 patients (≥15 years old) with ALL enrolled from January 2010 to December 2014 were studied retrospectively. The relationship between clinical characteristics and curative effect was analyzed. The univariate and multivariate analyses related with the overall survival (OS) and disease free survival (DFS) were conducted by using the method of COX regression analysis...
June 2017: Zhongguo Shi Yan Xue Ye Xue za Zhi
https://www.readbyqxmd.com/read/28641619/-correlation-between-dynamic-change-of-il-32-level-and-disease-development-in-acute-leukemia-patients
#14
Li-Gang Chen, Jia-Quan Guo, Dong-Dong Li
OBJECTIVE: To investigate the correlation between dynamic change of IL-32 level and disease development in the patients with acute leukemia(AL) and to explore its clinical significance. METHODS: The serum IL-32 levels and IL-32 mRNA expression in 82 cases of AL and 30 healthy persons were measured by ELISA and real-time PCR. RESULTS: Compared with healthy persons, the serum IL-32 protein level and IL-32 mRNA expression in AL, acute lymphoblastic leukemia(ALL) and acute non-lymphocytic leukemia(ANLL) groups all were significantly higher(P<0...
June 2017: Zhongguo Shi Yan Xue Ye Xue za Zhi
https://www.readbyqxmd.com/read/28641145/lack-of-association-between-deletion-polymorphism-of-bim-gene-and-in-vitro-drug-sensitivity-in-b-cell-precursor-acute-lymphoblastic-leukemia
#15
Meixian Huang, Kunio Miyake, Keiko Kagami, Masako Abe, Tamao Shinohara, Atsushi Watanabe, Shinpei Somazu, Hiroko Oshiro, Kumiko Goi, Hiroaki Goto, Masayoshi Minegishi, Shotaro Iwamoto, Nobutaka Kiyokawa, Kanji Sugita, Takeshi Inukai
A deletion polymorphism in the BIM gene was identified as an intrinsic mechanism for resistance to tyrosine kinase inhibitor in chronic myeloid leukemia patients in East Asia. BIM is also involved in the responses to glucocorticoid and chemotherapy in acute lymphoblastic leukemia (ALL), suggesting a possible association between deletion polymorphism of BIM and the chemosensitivity of ALL. Thus, we analyzed 72 B-cell precursor (BCP)-ALL cell lines established from Japanese patients. Indeed, higher BIM gene expression was associated with good in vitro sensitivities to glucocorticoid and chemotherapeutic agents used in induction therapy...
June 4, 2017: Leukemia Research
https://www.readbyqxmd.com/read/28640941/phox2b-reliably-distinguishes-neuroblastoma-among-small-round-blue-cell-tumors
#16
Yin P Hung, John P Lee, Andrew M Bellizzi, Jason L Hornick
AIMS: Neuroblastoma shows considerable histologic overlap with other small round blue cell tumors. PHOX2B, a transcription factor essential for autonomic nervous system development, has been reported as an immunohistochemical marker for neuroblastoma. The purpose of this study was to validate the specificity and diagnostic utility of PHOX2B for peripheral neuroblastic tumors. METHODS AND RESULTS: We evaluated 240 cases (133 in whole-tissue sections; 107 in tissue microarrays), including 76 peripheral neuroblastic tumors [median age 2 years; including 4 adults] and 164 other tumors: 44 Wilms tumors; 20 Ewing sarcomas; 10 each CIC-rearranged round cell sarcomas, poorly differentiated synovial sarcomas, lymphoblastic lymphomas, alveolar rhabdomyosarcomas, embryonal rhabdomyosarcomas, mesenchymal chondrosarcomas, Merkel cell carcinomas, olfactory neuroblastomas, and melanomas; 5 each NUT midline carcinomas and desmoplastic small round cell tumors...
June 22, 2017: Histopathology
https://www.readbyqxmd.com/read/28638725/administration-of-a-vasoactive-intestinal-peptide-antagonist-enhances-the-autologous-anti-leukemia-t-cell-response-in-murine-models-of-acute-leukemia
#17
Christopher T Petersen, Jian-Ming Li, Edmund K Waller
Vasoactive intestinal peptide (VIP) is a neuroendocrine peptide hormone that has potent anti-inflammatory activities. VIP signaling through its receptor VPAC1 on T cells leads to reduced proliferation and a reduction in pro-inflammatory cytokine secretion. We report here that inhibition of the VIP pathway with a peptide antagonist significantly enhances a T-cell-dependent, autologous anti-leukemia response in murine models of acute myeloid leukemia and T lymphoblastic leukemia. Subcutaneous administration of the VIP antagonist, VIPhyb, resulted in reduced tumor burden and significantly enhanced survival (30-50% survival) over vehicle-treated controls (0-20% survival)...
2017: Oncoimmunology
https://www.readbyqxmd.com/read/28637877/ex-vivoexpanded-adaptive-nk-cells-effectively-kill-primary-acute-lymphoblastic-leukemia-cells
#18
Lisa L Liu, Vivien Beziat, Vincent Oei Yi Sheng, Aline Pfefferle, Marie Schaffer, Soren Lehmann, Eva Hellstrom-Lindberg, Stefan Soderhall, Mats Heyman, Dan Grander, Karl-Johan Malmberg
Manipulation of human NK cell repertoires promises more effective strategies for NK cell-based cancer immunotherapy. A subset of highly differentiated NK cells, termed adaptive NK cells, expands naturally in vivo in response to human cytomegalovirus (HCMV) infection, carries unique repertoires of inhibitory killer cell immunoglobulin-like receptors (KIRs), and displays strong cytotoxicity against tumor cells. Here, we established a robust and scalable protocol for ex vivo generation and expansion of adaptive NK cells for cell therapy against pediatric acute lymphoblastic leukemia (ALL)...
June 21, 2017: Cancer Immunology Research
https://www.readbyqxmd.com/read/28637661/the-full-transforming-capacity-of-mll-af4-is-interlinked-with-lymphoid-lineage-commitment
#19
Shan Lin, Roger T Luo, Mahesh Shrestha, Michael J Thirman, James C Mulloy
Chromosome rearrangements involving mixed-lineage leukemia gene (MLL) create MLL-fusion proteins, which could drive both acute lymphoblastic and myeloid leukemia (ALL and AML). The lineage decision of MLL-fusion leukemia is influenced by the fusion partner and microenvironment. To investigate the interplay of fusion proteins and microenvironment in lineage choice, we transplanted human hematopoietic stem and progenitor cells (HSPC) expressing MLL-AF9 or MLL-Af4 into immunodeficient NSGS mice, which strongly promote myeloid development...
June 21, 2017: Blood
https://www.readbyqxmd.com/read/28637620/runx1-deficiency-familial-platelet-disorder-with-predisposition-to-myeloid-leukemia-fpdmm
#20
REVIEW
Brigitte Schlegelberger, Paula G Heller
In this review, we discuss disease-causing alterations of RUNT-related transcription factor 1 (RUNX1), a master regulator of hematopoietic differentiation. Familial platelet disorder with predisposition to myeloid leukemia (FPDMM) typically presents with (1) mild to moderate thrombocytopenia with normal-sized platelets; (2) functional platelets defects leading to prolonged bleeding; and (3) an increased risk to develop myelodysplastic syndromes (MDS), acute myeloid leukemia (AML), or T-cell acute lymphoblastic leukemia (T-ALL)...
April 2017: Seminars in Hematology
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