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https://www.readbyqxmd.com/read/29126409/genomic-determinants-of-long-term-cardiometabolic-complications-in-childhood-acute-lymphoblastic-leukemia-survivors
#1
Jade England, Simon Drouin, Patrick Beaulieu, Pascal St-Onge, Maja Krajinovic, Caroline Laverdière, Emile Levy, Valérie Marcil, Daniel Sinnett
BACKGROUND: While cure rates for childhood acute lymphoblastic leukemia (cALL) now exceed 80%, over 60% of survivors will face treatment-related long-term sequelae, including cardiometabolic complications such as obesity, insulin resistance, dyslipidemia and hypertension. Although genetic susceptibility contributes to the development of these problems, there are very few studies that have so far addressed this issue in a cALL survivorship context. METHODS: In this study, we aimed at evaluating the associations between common and rare genetic variants and long-term cardiometabolic complications in survivors of cALL...
November 10, 2017: BMC Cancer
https://www.readbyqxmd.com/read/29126055/estrogen-responsive-gene-networks-in-the-teleost-liver-what-are-the-key-molecular-indicators
#2
April Feswick, Kelly R Munkittrick, Christopher J Martyniuk
An overarching goal of environmental genomics is to leverage sensitive suites of markers that are robust and reliable to assess biological responses in a range of species inhabiting variable environments. The objective of this study was to identify core groups of transcripts and molecular signaling pathways that respond to 17alpha-ethylinestadiol (EE2), a ubiquitous estrogenic contaminant, using transcriptome datasets generated from six independent laboratories. We sought to determine which biomarkers and gene networks were those most robust and reliably detected in multiple laboratories...
October 31, 2017: Environmental Toxicology and Pharmacology
https://www.readbyqxmd.com/read/29095384/hyperglycemic-hyperosmolar-state-during-induction-chemotherapy-for-acute-lymphoblastic-leukemia
#3
Randall Yimbong Chan, Ankit V K Shah, Keith E Lewis, Jeffrey L Johnson, Paola Sequeira, Cynthia H Ho
We present the case of a 16-year-old boy who presented with fatigue, polyuria, and polydipsia while on chemotherapy for his relapsed acute lymphoblastic leukemia (ALL). Blood gas examination confirmed the diagnosis of hyperosmolar hyperglycemic state. The etiology for his hyperglycemia was most likely a result of oral glucocorticoid therapy combined with asparaginase therapy-both are a cornerstone of induction chemotherapy for ALL. The patient was aggressively rehydrated with saline, and medications were administered to correct his hyperkalemia...
October 31, 2017: Pediatric Emergency Care
https://www.readbyqxmd.com/read/29026839/missing-the-benefit-of-metformin-in-acute-myeloid-leukemia-a-problem-of-contrast
#4
Alice C Ceacareanu, George K Nimako, Zachary A P Wintrob
OBJECTIVE: To evaluate whether metformin's cancer-related benefits reported in patients with solid tumors (ST) are also present in acute myeloid leukemia (AML) patients. METHODS: Baseline demographic and clinical history for all diabetes mellitus patients newly diagnosed with AML or cancer of the breast, ovary, prostate, gastrointestinal tract, lung, or kidney at Roswell Park Cancer Institute in Buffalo, NY (January 2003-December 2010, n = 924) was collected. Overall survival (OS) and disease-free survival (DFS) were assessed by Kaplan-Meier (KM) analysis and Cox proportional hazards regression (hazard ratio [HR])...
July 2017: Journal of Research in Pharmacy Practice
https://www.readbyqxmd.com/read/29021621/protein-interaction-network-of-alternatively-spliced-nudcd1-isoforms
#5
Patrick Asselin-Mullen, Anaïs Chauvin, Marie-Line Dubois, Romain Drissi, Dominique Lévesque, François-Michel Boisvert
NudCD1, also known as CML66 or OVA66, is a protein initially identified as overexpressed in patients with chronic myelogenous leukemia. The mRNA of NudCD1 is expressed in heart and testis of normal tissues, and is overexpressed in several cancers. Previous studies have shown that the expression level of the protein correlates with tumoral phenotype, possibly interacting upstream of the Insulin Growth Factor - 1 Receptor (IGF-1R). The gene encoding the NudCD1 protein consists of 12 exons that can be alternative spliced, leading to the expression of three different isoforms...
October 11, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28927270/proteomic-analysis-of-peripheral-blood-mononuclear-cells-after-a-high-fat-high-carbohydrate-meal-with-orange-juice
#6
Daniela F S Chaves, Paulo C Carvalho, Elisa Brasili, Marcelo M Rogero, Neuza A Hassimotto, Jolene K Diedrich, James J Moresco, John R Yates, Franco M Lajolo
Oxidative stress and inflammation play a role in the physiopathology of insulin resistance, diabetes and cardiovascular disease. A single high-fat, high-carbohydrate (HFHC) meal induces an increase in inflammatory and oxidative stress markers in peripheral blood mononuclear cells (PBMC). Previous studies have shown that orange juice is able to prevent this response by inhibiting toll like receptors (TLR) expression and endotoxemia. Our goal was to study the proteome response in PBMC after the consumption of a HFHC meal consumed with water, orange juice or an isocaloric beverage (water with glucose)...
October 20, 2017: Journal of Proteome Research
https://www.readbyqxmd.com/read/28900314/evaluation-of-metabolic-syndrome-and-related-factors-in-children-affected-by-acute-lymphoblastic-leukemia
#7
Soheila Zareifar, Sezaneh Haghpanah, Eslam Shorafa, Nader Shakibazad, Zohreh Karamizadeh
INTRODUCTION: Obesity is among the medical problems in survivors of childhood acute lymphoblastic leukemia (ALL). These patients are at risk of metabolic syndrome (MS). The present study aimed to follow the patients with ALL regarding the incidence of MS. PATIENTS AND METHODS: This study was conducted on all patients who referred to the oncology clinic from July 2012 to July 2013. The exclusion criteria of the study were ALL relapse, secondary malignancy, hypothyroidism, Down syndrome, and below 2 years of age...
April 2017: Indian Journal of Medical and Paediatric Oncology
https://www.readbyqxmd.com/read/28865476/inhibition-of-hypothalamic-leukemia-inhibitory-factor-exacerbates-diet-induced-obesity-phenotype
#8
Milena Fioravante, Bruna Bombassaro, Albina F Ramalho, Nathalia R Dragano, Joseane Morari, Carina Solon, Natalia Tobar, Celso D Ramos, Licio A Velloso
BACKGROUND: The consumption of large amounts of dietary fats can trigger an inflammatory response in the hypothalamus and contribute to the dysfunctional control of caloric intake and energy expenditure commonly present in obesity. The objective of this study was to identify chemokine-related transcripts that could be involved in the early stages of diet-induced hypothalamic inflammation. METHODS: We used immunoblot, PCR array, real-time PCR, immunofluorescence staining, glucose and insulin tolerance tests, and determination of general metabolic parameters to evaluate markers of inflammation, body mass variation, and glucose tolerance in mice fed a high-fat diet...
September 2, 2017: Journal of Neuroinflammation
https://www.readbyqxmd.com/read/28864815/eltrombopag-a-powerful-chelator-of-cellular-or-extracellular-iron-iii-alone-or-combined-with-a-second-chelator
#9
Evangelia Vlachodimitropoulou, Yu-Lin Chen, Maciej Garbowski, Pimpisid Koonyosying, Bethan Psaila, Martha Sola-Visner, Nichola Cooper, Robert Hider, John Porter
Eltrombopag (ELT) is a thrombopoietin receptor agonist reported to decrease labile iron in leukemia cells. Here we examine the previously undescribed iron(III)-coordinating and cellular iron-mobilizing properties of ELT. We find a high binding constant for iron(III) (log β2=35). Clinically achievable concentrations (1 µM) progressively mobilized cellular iron from hepatocyte, cardiomyocyte, and pancreatic cell lines, rapidly decreasing intracellular reactive oxygen species (ROS) and also restoring insulin secretion in pancreatic cells...
October 26, 2017: Blood
https://www.readbyqxmd.com/read/28757432/genetic-risk-of-prediabetes-and-diabetes-development-in-chronic-myeloid-leukemia-patients-treated-with-nilotinib
#10
Bruno Martino, Corrado Mammì, Claudia Labate, Silvia Rodi, Domenica Ielo, Manuela Priolo, Maurizio Postorino, Giovanni Tripepi, Francesca Ronco, Carmelo Laganà, Caterina Musolino, Marianna Greco, Giorgio La Nasa, Giovanni Caocci
Impaired fasting glucose and type 2 diabetes represent adverse events in patients with chronic myeloid leukemia (CML) treated with the second generation tyrosine kinase inhibitor nilotinib. An unweighted genetic risk score (uGRS) for the prediction of insulin resistance, consisting of 10 multiple single-nucleotide polymorphisms, has been proposed. We evaluated uGRS predictivity in 61 CML patients treated with nilotinib. Patients were genotyped for IRS1, GRB14, ARL15, PPARG, PEPD, ANKRD55/MAP3K1, PDGFC, LYPLAL1, RSPO3, and FAM13A1 genes...
November 2017: Experimental Hematology
https://www.readbyqxmd.com/read/28656082/mir-570-inhibits-cell-proliferation-and-glucose-metabolism-by-targeting-irs1-and-irs2-in-human-chronic-myelogenous-leukemia
#11
Hong Zhao, Fei Liu, Ruichun Jia, Huiying Chang, Haixia Li, Meijuan Miao, Hui Wang, Zhiping Yang
OBJECTIVES: Chronic myelogenous leukemia (CML) is a chronic myeloproliferative disorder characterized by the accumulation of myeloid cells with a chromosomal translocation known as the Philadelphia chromosome. In this study, we investigated the roles of miR-570 in CML development. MATERIALS AND METHODS: Expression of miR-570 in CML samples and cell lines was determined by qRT-PCR. Glucose uptake and ATP concentration detection assays were used to analyze cell glucose metabolism...
May 2017: Iranian Journal of Basic Medical Sciences
https://www.readbyqxmd.com/read/28559116/uterine-er%C3%AE-epigenetic-modifications-are-induced-by-the-endocrine-disruptor-endosulfan-in-female-rats-with-impaired-fertility
#12
María M Milesi, Jorgelina Varayoud, Jorge G Ramos, Enrique H Luque
High ERα activity may disrupt the window of uterine receptivity, causing defective implantation. We investigated whether implantation failures prompted by endosulfan are associated with aberrant ERα uterine expression and DNA methylation status during the pre-implantation period. ERα-dependent target genes that play a crucial role in the uterine receptivity for embryo attachment and implantation were also investigated. Newborn female rats received corn oil (vehicle, Control), 6 μg/kg/d of endosulfan (Endo6) or 600 μg/kg/d of endosulfan (Endo600) on postnatal days (PND) 1, 3, 5, and 7...
October 15, 2017: Molecular and Cellular Endocrinology
https://www.readbyqxmd.com/read/28549065/c-elegans-daf-16-foxo-interacts-with-tgf-%C3%A3-bmp-signaling-to-induce-germline-tumor-formation-via-mtorc1-activation
#13
Wenjing Qi, Yijian Yan, Dietmar Pfeifer, Erika Donner V Gromoff, Yimin Wang, Wolfgang Maier, Ralf Baumeister
Activation of the FOXO transcription factor DAF-16 by reduced insulin/IGF signaling (IIS) is considered to be beneficial in C. elegans due to its ability to extend lifespan and to enhance stress resistance. In the germline, cell-autonomous DAF-16 activity prevents stem cell proliferation, thus acting tumor-suppressive. In contrast, hypodermal DAF-16 causes a tumorous germline phenotype characterized by hyperproliferation of the germline stem cells and rupture of the adjacent basement membrane. Here we show that cross-talk between DAF-16 and the transforming growth factor ß (TGFß)/bone morphogenic protein (BMP) signaling pathway causes germline hyperplasia and results in disruption of the basement membrane...
May 2017: PLoS Genetics
https://www.readbyqxmd.com/read/28396530/downregulation-of-plzf-gene-ameliorates-metabolic-and-cardiac-traits-in-the-spontaneously-hypertensive-rat
#14
František Liška, Vladimír Landa, Václav Zídek, Petr Mlejnek, Jan Šilhavý, Miroslava Šimáková, Hynek Strnad, Jaroslava Trnovská, Vojtěch Škop, Ludmila Kazdová, Colby G Starker, Daniel F Voytas, Zsuzsanna Izsvák, Massimiliano Mancini, Ondřej Šeda, Vladimír Křen, Michal Pravenec
The spontaneously hypertensive rat (SHR), one of the most widely used model of essential hypertension, is predisposed to left ventricular hypertrophy, myocardial fibrosis, and metabolic disturbances. Recently, quantitative trait loci influencing blood pressure, left ventricular mass, and heart interstitial fibrosis were genetically isolated within a minimal congenic subline that contains only 7 genes, including mutant Plzf (promyelocytic leukemia zinc finger) candidate gene. To identify Plzf as a quantitative trait gene, we targeted Plzf in the SHR using the transcription activator-like effector nuclease technique and obtained SHR line harboring targeted Plzf gene with a premature stop codon...
June 2017: Hypertension
https://www.readbyqxmd.com/read/28371314/temporary-resolution-of-insulin-requirement-in-acquired-partial-lipodystrophy-associated-with-chronic-graft-versus-host-disease
#15
Leslie Kimura, Griselda Alvarez, Ning Li, Anna Pawlikowska-Haddal, Theodore B Moore, Jacqueline Casillas, Kuk-Wha Lee
This is a case presentation describing a high insulin requirement that suddenly resolved in a patient with acute lymphoblastic leukemia treated with stem cell transplantation complicated by chronic graft-versus-host disease. The patient was diagnosed with acquired partial lipodystrophy that did not require alternative therapies such as leptin or insulin-like growth factor 1.
July 2017: Pediatric Blood & Cancer
https://www.readbyqxmd.com/read/28286608/meta-analysis-of-gene-expression-profiles-in-acute-promyelocytic-leukemia-reveals-involved-pathways
#16
Mahdi Jalili, Ali Salehzadeh-Yazdi, Saeed Mohammadi, Marjan Yaghmaie, Ardeshir Ghavamzadeh, Kamran Alimoghaddam
Background: Acute promyelocytic leukemia (APL) is a unique subtype of acute leukemia. APL is a curable disease; however, drug resistance, early mortality, disease relapse and treatment-related complications remain challenges in APL patient management. One issue underlying these challenges is that the molecular mechanisms of the disease are not sufficiently understood. Materials and Methods: In this study, we performed a meta-analysis of gene expression profiles derived from microarray experiments and explored the background of disease by functional and pathway analysis...
January 1, 2017: International Journal of Hematology-oncology and Stem Cell Research
https://www.readbyqxmd.com/read/28193268/adipokines-insulin-resistance-and-adiposity-as-a-predictors-of-metabolic-syndrome-in-child-survivors-of-lymphoma-and-acute-lymphoblastic-leukemia-of-a-developing-country
#17
Lourdes Barbosa-Cortés, Mardia López-Alarcón, Juan Manuel Mejía-Aranguré, Miguel Klünder-Klünder, María Del Carmen Rodríguez-Zepeda, Hugo Rivera-Márquez, Alan de la Vega-Martínez, Jorge Martin-Trejo, Juan Shum-Luis, Karina Solis-Labastida, Enrique López-Aguilar, Guadalupe Matute-González, Roberto Bernaldez-Rios
BACKGROUND: There is a growing body of evidence indicating that pediatric survivors of cancer are at a greater risk of developing metabolic syndrome. This study evaluated some probable predictors of metabolic syndrome (MS), such as leptin and adiponectin concentrations, the leptin/adiponectin ratio, insulin resistance, and adiposity, in a sample of child survivors of lymphoma and leukemia in Mexico City. METHODS: Fifty two children (leukemia n = 26, lymphoma n = 26), who were within the first 5 years after cessation of therapy, were considered as eligible to participate in the study...
February 13, 2017: BMC Cancer
https://www.readbyqxmd.com/read/28135283/the-spleen-is-an-ideal-site-for-inducing-transplanted-islet-graft-expansion-in-mice
#18
Takeshi Itoh, Hitomi Nishinakamura, Kenjiro Kumano, Hiroyuki Takahashi, Shohta Kodama
Alternative islet transplantation sites have the potential to reduce the marginal number of islets required to ameliorate hyperglycemia in recipients with diabetes. Previously, we reported that T cell leukemia homeobox 1 (Tlx1)+ stem cells in the spleen effectively regenerated into insulin-producing cells in the pancreas of non-obese diabetic mice with end-stage disease. Thus, we investigated the spleen as a potential alternative islet transplantation site. Streptozotocin-induced diabetic C57BL/6 mice received syngeneic islets into the portal vein (PV), beneath the kidney capsule (KC), or into the spleen (SP)...
2017: PloS One
https://www.readbyqxmd.com/read/28058528/prevalence-predictors-and-outcomes-of-steroid-induced-hyperglycemia-in-hospitalized-patients-with-hematologic-malignancies
#19
Sara J Healy, Haikady N Nagaraja, Dhuha Alwan, Kathleen M Dungan
To determine prevalence, predictors, and outcomes of steroid-induced hyperglycemia in hospitalized patients with hematologic malignancies METHODS: We performed retrospective analysis of patients who were hospitalized on any of the four hematology services or bone marrow transplant service and who received systemic steroids during a 2-month period. Mean glucoses for days 1-4 and maximum glucose were calculated and the total daily steroid dose was converted to equivalent dose of dexamethasone. Hyperglycemia was defined as any glucose >9...
April 2017: Endocrine
https://www.readbyqxmd.com/read/28000876/mir-196b-mir-1290-participate-in-the-antitumor-effect-of-resveratrol-via-regulation-of-igfbp3-expression-in-acute-lymphoblastic-leukemia
#20
Wei Zhou, Shunqing Wang, Yi Ying, Ruiqing Zhou, Ping Mao
MicroRNAs play critical roles in the progression of acute lymphoblastic leukemia (ALL). Previous studies have indicated that miR-196b and miR-1290 play critical roles in T-cell ALL (T-ALL) and B-cell ALL (B-ALL), respectively. Resveratrol, a natural edible polyphenolic phytoalexin, possesses certain anticancer activities. Nevertheless, the mechanism involved in the regulation of ALL by resveratrol is still poorly understood. The present study aimed to reveal the potential mechanism underlying the antitumor effect of resveratrol in ALL focusing on miRNAs...
February 2017: Oncology Reports
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