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acute lymphoblastic leukemia -L3 type

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https://www.readbyqxmd.com/read/28934678/establishment-of-cell-line-with-nk-nkt-phenotype-from-myeloid-nk-cell-acute-leukemia
#1
A Darji, N Desai, R Modi, B Khamar, S Rajkumar
Acute Myeloid Leukemia (AML) is the most common malignancy in adults with a 5-year survival rate of 27% of the total affected population. For effective treatment and new drug discovery, cell lines are considered as a very important tool. Here we report an establishment of a continuous human cell line AML-004 with a hypo-diploid chromosome 44 and presence of both NK/NKT phenotypes. The cell line was isolated from the blood sample of myeloid NK cell acute leukemia patients and extensively characterized by flow cytometery, morphology, and cytogentic analysis...
September 13, 2017: Leukemia Research
https://www.readbyqxmd.com/read/28927044/isolation-and-characterization-of-adult-mammary-stem-cells-from-breast-cancer-adjacent-tissues
#2
Ai-Ping Shi, Zhi-Min Fan, Ke-Wei Ma, Yan-Fang Jiang, Lei Wang, Ke-Wei Zhang, Shi-Bo Fu, Ning Xu, Zhi-Ru Zhang
Normal adult mammary stem cells (AMSCs) are promising sources for breast reconstruction, particularly following the resection of breast tumors. However, carcinogenic events can potentially convert normal AMSCs to cancer stem cells, posing a safety concern for the use of AMSCs for clinical tissue regeneration. In the present study, AMSCs and autologous primary breast cancer cells were isolated and compared for their ability to differentiate, their gene expression profile, and their potential to form tumors in vivo...
September 2017: Oncology Letters
https://www.readbyqxmd.com/read/28920465/fish-oil-derived-eicosapentaenoic-acid-decreases-survivin-expression-and-induces-wt-p53-accumulation-with-caspase-3-activation-in-acute-lymphoblastic-leukemia-cells
#3
M R Sam, M Esmaeillou, S Sam, M A Shokrgozar
BACKGROUND: Defects in modulating wild-type (wt) p53 and survivin are associated with a resistant disease in acute lymphoblastic leukemia (ALL). Yet, no wt-p53 and survivin modulating drugs have been approved for clinical application in ALL. Here, we investigated if in vitro eicosapentaenoic acid (EPA) concentrations equal to human plasma levels are able to target wt-p53 and survivin. METHODS: Wt-p53 Molt-4 cells (ALL cell line) were treated with 50, 100, 150, and 200 µM of EPA after which cell number, viability, proliferation rate, survivin expression, wt-p53 accumulation, caspase-3 activation, and apoptosis were evaluated...
January 1, 2017: Human & Experimental Toxicology
https://www.readbyqxmd.com/read/28910269/rates-and-trends-of-pediatric-acute-lymphoblastic-leukemia-united-states-2001-2014
#4
David A Siegel, S Jane Henley, Jun Li, Lori A Pollack, Elizabeth A Van Dyne, Arica White
Acute lymphoblastic leukemia (ALL) is the most prevalent cancer among children and adolescents in the United States, representing 20% of all cancers diagnosed in persons aged <20 years, or >3,000 new cases each year (1). Past studies reported increasing trends of ALL overall and among Hispanics, but these represented ≤28% of the U.S. population and did not provide state-based estimates (1-3). To describe U.S. ALL incidence rates and trends among persons aged <20 years during 2001-2014, CDC analyzed rigorous data (based on established publication criteria) from the United States Cancer Statistics data set, which includes incidence data on approximately 15,000 new cases per year of all types of invasive cancer among children and adolescents aged <20 years (4)...
September 15, 2017: MMWR. Morbidity and Mortality Weekly Report
https://www.readbyqxmd.com/read/28906324/pediatric-blastic-plasmacytoid-dendritic-cell-neoplasm-a-systematic-literature-review
#5
Marie Jeong-Min Kim, Ahmed Nasr, Bilaal Kabir, Joseph de Nanassy, Ken Tang, Danielle Menzies-Toman, Donna Johnston, Dina El Demellawy
Blastic plasmacytoid dendritic cell neoplasm (BPDCN) is a rare aggressive hematologic malignancy characterized by frequent skin involvement that most commonly affects older patients. BPDCN is known to have a poor prognosis. Our objective was to assess if outcome and disease prognosis were independently influenced by age when evaluated with clinical presentation, sex, and treatment regimens. We conducted a systematic review to identify BPDCN cases, to compare pediatric BPDCN cases with adult cases. A total of 125 publications were identified detailing 356 cases...
September 12, 2017: Journal of Pediatric Hematology/oncology
https://www.readbyqxmd.com/read/28903549/nudt15-variants-cause-hematopoietic-toxicity-with-low-6-tgn-levels-in-children-with-acute-lymphoblastic-leukemia
#6
Eun Sang Yi, Young Bae Choi, Rihwa Choi, Na Hee Lee, Ji Won Lee, Keon Hee Yoo, Ki Woong Sung, Soo-Youn Lee, Hong Hoe Koo
Purpose: We aimed to identify the impact of NUDT15 variants on thiopurine intolerance and 6-thioguanine nucleotide (6-TGN) levels in Korean children with acute lymphoblastic leukemia (ALL). Materials and Methods: Genotyping of NUDT15 was tested in 258 patients with ALL registered at Samsung Medical Center. Patients were classified into normal-activity (wild-type), intermediate-activity (heterozygous variant), and low-activity groups (homozygous or compound heterozygous variant)...
September 13, 2017: Cancer Research and Treatment: Official Journal of Korean Cancer Association
https://www.readbyqxmd.com/read/28890617/prevalence-of-oral-complications-occurring-in-a-population-of-pediatric-cancer-patients-receiving-chemotherapy
#7
Kapil Gandhi, Geetika Datta, Shilpa Ahuja, Tanvi Saxena, Ankush G Datta
Multiagent chemotherapy, radiotherapy, or a combination of both are the contemporary methods of cancer treatment. With medical advancements, though cure rates have increased considerably, focus is now shifted to the potential early and late complications of the same. The aim of this study was to assess the early oral complications in pediatric patients receiving chemotherapy. Sixty-two children with cancer undergoing chemotherapy with the mean age of 7.42 ± 3.6 years were included in the study. The various types of malignancies and oral problems during chemotherapy were recorded in the subjects...
April 2017: International Journal of Clinical Pediatric Dentistry
https://www.readbyqxmd.com/read/28866095/differential-expression-of-muc4-gpr110-and-il2ra-defines-two-groups-of-crlf2-rearranged-acute-lymphoblastic-leukemia-patients-with-distinct-secondary-lesions
#8
Teresa Sadras, Susan L Heatley, Chung H Kok, Phuong Dang, Kate M Galbraith, Barbara J McClure, Walter Muskovic, Nicola C Venn, Sarah Moore, Michael Osborn, Tamas Revesz, Andrew S Moore, Timothy P Hughes, David Yeung, Rosemary Sutton, Deborah L White
CRLF2-rearrangements (CRLF2-r) occur frequently in Ph-like B-ALL, a high-risk ALL sub-type characterized by a signaling profile similar to Ph + ALL, however accumulating evidence indicates genetic heterogeneity within CRLF2-r ALL. We performed thorough genomic characterization of 35 CRLF2-r cases (P2RY8-CRLF2 n = 18; IGH-CRLF2 n = 17). Activating JAK2 mutations were present in 34% of patients, and a CRLF2-F232C mutation was identified in an additional 17%. IKZF1 deletions were detected in 63% of cases...
September 1, 2017: Cancer Letters
https://www.readbyqxmd.com/read/28860001/immune-mediated-hematopoietic-failure-after-allogeneic-hematopoietic-stem-cell-transplantation-a-common-cause-of-late-graft-failure-in-patients-with-complete-donor-chimerism
#9
Kana Maruyama, Nobuyuki Aotsuka, Yoshihisa Kumano, Naoko Sato, Naomi Kawashima, Yoshiyuki Onda, Hiroyuki Maruyama, Takamasa Katagiri, Yoshitaka Zaimoku, Noriharu Nakagawa, Kazuyoshi Hosomichi, Seishi Ogawa, Shinji Nakao
Late graft failure (LGF) without evidence of residual recipient cells is a serious complication after allogeneic hematopoietic stem cell transplantation (allo-SCT) and often requires stem cell infusion from the same donor when the patient fails to respond to conventional therapies. We screened the peripheral blood (PB) of 14 patients who developed donor-type LGF at 2-132 months after allo-SCT for the presence of the markers for immune-mediated bone marrow (BM) failure. Increased glycosylphosphatidyl inositol-anchored protein-deficient (GPI-AP(-)) leukocytes, which accounted for 0...
August 28, 2017: Biology of Blood and Marrow Transplantation
https://www.readbyqxmd.com/read/28858758/livestock-and-poultry-density-and-childhood-cancer-incidence-in-nine-states-in-the-usa
#10
Benjamin J Booth, Rena R Jones, Mary E Turyk, Sally Freels, Deven M Patel, Leslie T Stayner, Mary H Ward
BACKGROUND: Parental occupational and childhood exposures to farm animals have been positively associated with childhood brain tumors, whereas associations with childhood leukemia are equivocal. The developing immune system may be influenced by allergen, virus, or other exposures from animal sources, which may contribute to childhood cancer incidence. METHODS: Incident cancers (acute lymphoblastic leukemia [ALL], acute myeloid leukemia [AML], central nervous system [CNS], peripheral nervous system [PNS]) for children aged 0-4 diagnosed between 2003 and 2008 were obtained from nine National Cancer Institute Surveillance, Epidemiology and End Results (SEER) registries and were linked to U...
August 28, 2017: Environmental Research
https://www.readbyqxmd.com/read/28836893/systemic-juvenile-xanthogranuloma-involving-the-bone-marrow-multiple-bones-and-the-skin-that-developed-during-treatment-of-acute-lymphoblastic-leukemia-in-remission-state
#11
Eunjae Cheon, Saemi Yang, Jae Ho Han, Kwang Chul Lee, Jun Eun Park
Juvenile xanthogranuloma (JXG) is a rare benign disorder classified as non-Langerhans cell histiocytosis, with unclear etiology and pathogenesis. JXG is generally characterized by solitary or multiple cutaneous nodules that resolve spontaneously over a few years. JXG rarely presents as extracutaneous lesions that progress to a symptomatic systemic disorder through multiple organ involvement. We encountered a systemic JXG case involving the bone marrow, multiple bones, and the skin during acute lymphoblastic leukemia treatment...
January 1, 2017: Pediatric and Developmental Pathology
https://www.readbyqxmd.com/read/28831147/how-does-the-l884p-mutation-confer-resistance-to-type-ii-inhibitors-of-jak2-kinase-a-comprehensive-molecular-modeling-study
#12
Xiaotian Kong, Huiyong Sun, Peichen Pan, Dan Li, Feng Zhu, Shan Chang, Lei Xu, Youyong Li, Tingjun Hou
Janus kinase 2 (JAK2) has been regarded as an essential target for the treatment of myeloproliferative neoplasms (MPNs). BBT594 and CHZ868, Type-II inhibitors of JAK2, illustrate satisfactory efficacy in preclinical MPNs and acute lymphoblastic leukemia (ALL) models. However, the L884P mutation of JAK2 abrogates the suppressive effects of BBT594 and CHZ868. In this study, conventional molecular dynamics (MD) simulations, umbrella sampling (US) simulations and MM/GBSA free energy calculations were employed to explore how the L884P mutation affects the binding of BBT594 and CHZ868 to JAK2 and uncover the resistance mechanism induced by the L884P mutation...
August 22, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28821272/novel-immunotherapies-for-adult-patients-with-b-lineage-acute-lymphoblastic-leukemia
#13
REVIEW
Guoqing Wei, Jiasheng Wang, He Huang, Yanmin Zhao
The past decade witnessed the rapid development of adult B-lineage acute lymphoblastic leukemia (ALL) treatment. Beyond the development of chemotherapy regimens, immunotherapy is starting a new era with unprecedented complete remission (CR) rate. Targeting B-lineage-specific surface markers such as CD19, CD20, CD22, or CD52, immunotherapy has been demonstrating promising clinical results. Among the immunotherapeutic methods, naked monoclonal antibodies (mAbs), antibody-drug conjugate (ADC), bispecific T cell engager (BiTE), and chimeric antigen receptor (CAR) T cells are the main types...
August 18, 2017: Journal of Hematology & Oncology
https://www.readbyqxmd.com/read/28821159/inhibition-of-dna-pk-enhances-chemosensitivity-of-b-cell-precursor-acute-lymphoblastic-leukemia-cells-to-doxorubicin
#14
Fatemeh Alikarami, Majid Safa, Mohammad Faranoush, Parisa Hayat, Ahmad Kazemi
DNA damage repair pathways greatly affect the response to genotoxic drugs in cancer cells, so inhibition of such pathways could be a potentially useful strategy to enhance chemosensitivity. DNA-dependent protein kinase (DNA-PK) plays a crucial role in the repair of DNA double-strand breaks (DSBs) that are probably one of the most detrimental types of DNA damage. It has been shown that DNA-PK is highly expressed in B-cell precursor acute lymphoblastic leukemia (BCP-ALL) cells. Less well appreciated was the effect of DNA-PK inhibition on sensitivity of BCP-ALL cells to DNA-damaging agents...
October 2017: Biomedicine & Pharmacotherapy, Biomédecine & Pharmacothérapie
https://www.readbyqxmd.com/read/28818808/potent-induction-of-apoptosis-by-givinostat-in-bcr-abl1-positive-and-bcr-abl1-negative-precursor-b-cell-acute-lymphoblastic-leukemia-cell-lines
#15
Chenjiao Yao, Guojuan Zhang, Alison Walker, Kevin Y Zhao, Ying Li, Lei Lyu, Yan Tang, Peng Ru, Dan Jones, Weiqiang Zhao
We have previously shown that givinostat can induce potent apoptosis in the BCR-ABL1-positive, TP53-wild type B-cell acute lymphoblastic leukemia (B-ALL) cell line SUP-B15. We extend our studies here to two additional B-ALL cell lines, BCR-ABL1-negative CCRF-SB and p210 BCR-ABL1-positive NAML1. Givinostat induced significant cell growth inhibition in both cell lines, with an IC50 of 0.65±0.052μM and 0.25±0.028μM in CCRF-SB and NAML1, respectively. The key signal protein of the BCR-ABL1, Crk-L1, was significantly reduced by givinostat treatment in NAML1...
August 9, 2017: Leukemia Research
https://www.readbyqxmd.com/read/28810515/physcion-blocks-cell-cycle-and-induces-apoptosis-in-human-b-cell-precursor-acute-lymphoblastic-leukemia-cells-by-downregulating-hoxa5
#16
Fei Gao, Wenjun Liu, Qulian Guo, Yongqi Bai, Hong Yang, Hongying Chen
Acute lymphoblastic leukemia (ALL) presents the most common type of malignancy in children and ranks the third most common cancer in adults. This study is aimed to investigate the anti-leukemia activity of physcion in ALL. Our results have showed that physcion could significantly suppress cell growth, induce apoptosis and blocked cell cycle progression in vitro. Mechanistically, we found that physcion downregulated the expression of HOXA5, which is responsible for the anti-leukemia activity of physcion. To verify this finding, siRNA targeting HOXA5 and overexpressing plasmid were used to repress HOXA5 expression and introduce ectopic overexpression of HOXA5 in ALL cell lines, respectively...
October 2017: Biomedicine & Pharmacotherapy, Biomédecine & Pharmacothérapie
https://www.readbyqxmd.com/read/28807161/phytochemical-modulation-of-apoptosis-and-autophagy-strategies-to-overcome-chemoresistance-in-leukemic-stem-cells-in-the-bone-marrow-microenvironment
#17
Helen C Owen, Sandra Appiah, Noor Hasan, Lucy Ghali, Ghada Elayat, Celia Bell
Advances in scientific research and targeted treatment regimes have improved survival rates for many cancers over the past few decades. However, for some types of leukemia, including acute lymphoblastic and acute myeloid leukemia, mortality rates have continued to rise, with chemoresistance in leukemic stem cells (LSCs) being a major contributing factor. Most cancer drug therapies act by inducing apoptosis in dividing cells but are ineffective in targeting quiescent LSCs. Niches in the bone marrow, known as leukemic niches, behave as "sanctuaries" where LSCs acquire drug resistance...
2017: International Review of Neurobiology
https://www.readbyqxmd.com/read/28801778/knockdown-of-eukaryotic-translation-initiation-factor-3-subunit-d-eif3d-inhibits-proliferation-of-acute-myeloid-leukemia-cells
#18
Guo-Zhen Liu, Ji-Zhu Liu, Xiao-Qing Li, Li Zhang, Shuang-Jing Li, Tai-Wu Xiao, Jing-Xia Wang, Guang-Yao Li, Yusen Liu
Various eukaryotic translation initiation factors (eIFs) have been implicated in carcinoma development. Eukaryotic translation initiation factor 3 subunit D (eIF3D) has recently been shown to regulate the growth of several types of human cancer cells. However, the function of eIF3D in acute myeloid leukemia (AML) remains unclear. In this study, we investigated the expression of eIF3D in three AML cell lines and a lymphoblast cell line, and found that eIF3D was expressed in all four leukemia cell lines. To explore the role of eIF3D in AML cell proliferation, lentivirus-mediated RNA interference was applied to knock down the expression of eIF3D in U937 cells...
August 12, 2017: Molecular and Cellular Biochemistry
https://www.readbyqxmd.com/read/28751893/patients-lacking-a-kir-ligand-of-hla-group-c1-or-c2-have-a-better-outcome-after-umbilical-cord-blood-transplantation
#19
Carmen Martínez-Losada, Carmen Martín, Rafael Gonzalez, Bárbara Manzanares, Estefania García-Torres, Concha Herrera
Donor natural killer (NK) cells can destroy residual leukemic cells after allogeneic hematopoietic stem cell transplantation. This effect is based on the interaction of killer-cell immunoglobulin-like receptors (KIR) of donor NK cells with ligands of the major histocompatibility complex found on the surface of the target cells. HLA-C1 subtypes provide the ligand for KIR2DL2 and KIR2DL3 and the HLA-C2 subtypes for KIR2DL1. We have studied the probability of relapse (PR) after single-unit unrelated cord blood transplantation (UCBT) in relation to the potential graft-vs...
2017: Frontiers in Immunology
https://www.readbyqxmd.com/read/28751559/loss-of-function-but-not-dominant-negative-intragenic-ikzf1-deletions-are-associated-with-an-adverse-prognosis-in-adult-bcr-abl-negative-acute-lymphoblastic-leukemia
#20
Benjamin Kobitzsch, Nicola Gökbuget, Stefan Schwartz, Richard Reinhardt, Monika Brüggemann, Andreas Viardot, Ralph Wäsch, Michael Starck, Eckhard Thiel, Dieter Hoelzer, Thomas Burmeister
Genetic alterations of the transcription factor IKZF1 ("IKAROS") are detected in around 15-30% of cases of BCR-ABL-negative B-cell precursor acute lymphoblastic leukemia (ALL). Different types of intragenic deletions have been observed, resulting in a functionally inactivated allele ("loss-of-function") or in "dominant-negative" isoforms. The prognostic impact of these alterations especially in adult acute lymphoblastic leukemia is not well defined. We analyzed 482 well-characterized cases of adult BCR-ABL-negative B-precursor acute lymphoblastic leukemia uniformly treated in the framework of the GMALL studies and detected IKZF1 alterations in 128 cases (27%)...
July 27, 2017: Haematologica
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