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https://www.readbyqxmd.com/read/28726692/chemical-speciation-of-trace-metals-in-the-industrial-sludge-of-dhaka-city-bangladesh
#1
Md Saiful Islam, Md Habibullah Al-Mamun, Ye Feng, Masahiro Tokumura, Shigeki Masunaga
The objective of this study was to assess total concentration and chemical fractionation of trace metals in the industrial wastewater and sludge collected from seven different types of industries in Dhaka City, Bangladesh. The sludge from industries is either dumped on landfills or reused as secondary resources in order to preserve natural resources. Metals were analyzed using inductively coupled plasma mass spectrometry (ICP-MS). The ranges of Cr, Ni, Cu, As, Cd, and Pb in the sludges were 1.4-9,470, 4.8-994, 12...
July 2017: Water Science and Technology: a Journal of the International Association on Water Pollution Research
https://www.readbyqxmd.com/read/28726645/chronic-myeloid-leukemia-expected-relapse-s-clinical-laboratory-indexes
#2
T Kirtava, D Ghirdaladze, T Vatsadze
Today Chronic Myeloid Leukemia (CML) relapse's final assessment and monitoring in the whole world is implemented by BCR-ABL gene quantitative detection - during the polymerase chain reaction (by PSR means). Implementation of this monitoring materially and technically is not often available and remission during years is being assessed using monthly clinical-laboratory data. Proceeding from this, the goal of our work was to find the clinical-laboratory features, indicating the expected relapse and require the urgent molecular research carry out...
June 2017: Georgian Medical News
https://www.readbyqxmd.com/read/28726241/investigating-the-role-of-the-igf-axis-as-a-predictor-of-biochemical-recurrence-in-prostate-cancer-patients-post-surgery
#3
Kieran J Breen, Amanda O'Neill, Lisa Murphy, Yue Fan, Susie Boyce, Noel Fitzgerald, Emma Dorris, Lauren Brady, Stephen P Finn, Brian D Hayes, Ann Treacy, Ciara Barrett, Mardiana Abdul Aziz, Elaine W Kay, John M Fitzpatrick, R William G Watson
BACKGROUND: Between 20% and 35% of prostate cancer (PCa) patients who undergo treatment with curative intent (ie, surgery or radiation therapy) for localized disease will experience biochemical recurrence (BCR). Alterations in the insulin-like growth factor (IGF) axis and PTEN expression have been implicated in the development and progression of several human tumors including PCa. We examined the expression of the insulin receptor (INSR), IGF-1 receptor (IGF-1R), PTEN, and AKT in radical prostatectomy tissue of patients who developed BCR post-surgery...
July 20, 2017: Prostate
https://www.readbyqxmd.com/read/28725583/positron-emission-tomography-pet-in-primary-prostate-cancer-staging-and-risk-assessment
#4
REVIEW
Sandra Bednarova, Maria L Lindenberg, Maria Vinsensia, Chiara Zuiani, Peter L Choyke, Baris Turkbey
Prostate cancer (PCa) is one of the few neoplasms that are not well served by 18F-Fluorodeoxyglucose (FDG) positron emission tomography (PET). As a result, a number of PET tracers have been developed to target particular biological features of PCa. Such agents can be used for diagnosis, staging, identification of biochemical recurrence (BCR) and evaluation of metastatic disease. Here, we focus on primary disease and local staging. To date, magnetic resonance imaging (MRI) has proven superior to PET in the imaging of primary PCa...
June 2017: Translational Andrology and Urology
https://www.readbyqxmd.com/read/28723518/mid-term-outcomes-following-salvage-lymph-node-dissection-for-prostate-cancer-nodal-recurrence-status-post-radical-prostatectomy
#5
Fabio Zattoni, Avinash Nehra, Christopher R Murphy, Laureano Rangel, Lance Mynderse, Val Lowe, Eugene Kwon, R Jeffrey Karnes
BACKGROUND: Patients with oligometastatic prostate cancer lymph node recurrence can be treated with many options including salvage lymph node dissection (sLND). OBJECTIVE: Evaluation of outcomes of sLND and identification of clinicopathologic features in predicting further biochemical and radiological relapse after sLND for prostate cancer. DESIGN, SETTING, AND PARTICIPANTS: Between November 1, 2009 and March 31, 2015, 117 patients with biochemical recurrence (BCR) after radical prostatectomy (RP) underwent sLND by a single surgeon after a standardized 11C-choline positron emission tomography/computed tomography...
December 2016: European Urology Focus
https://www.readbyqxmd.com/read/28722170/activation-of-the-b-cell-receptor-successively-activates-nf-%C3%AE%C2%BAb-and-stat3-in-chronic-lymphocytic-leukemia-cells
#6
Uri Rozovski, David M Harris, Ping Li, Zhiming Liu, Preetesh Jain, Ivo Veletic, Alessandra Ferrajoli, Jan Burger, Philip Thompson, Nitin Jain, William Wierda, Michael J Keating, Zeev Estrov
In chronic lymphocytic leukemia (CLL) cells, both interleukin-6 (IL-6) and the B-cell receptor (BCR) activate Janus kinase 2 (JAK2) and induce the phosphorylation of signal transduction and activator of transcription 3 (STAT3) on tyrosine 705 residues. However, whereas IL-6 phosphorylates STAT3 within 15 minutes, stimulation of the BCR with anti-immunoglobulin M (IgM) antibodies phosphorylates STAT3 in 2-4 hours. Here we show that this process takes longer because it requires transcriptional activity of NF-κB...
July 19, 2017: International Journal of Cancer. Journal International du Cancer
https://www.readbyqxmd.com/read/28719608/cholesterol-esterification-inhibition-and-imatinib-treatment-synergistically-inhibit-growth-of-bcr-abl-mutation-independent-resistant-chronic-myelogenous-leukemia
#7
Shovik Bandyopadhyay, Junjie Li, Elie Traer, Jeffrey W Tyner, Amy Zhou, Stephen T Oh, Ji-Xin Cheng
Since the advent of tyrosine kinase inhibitors (TKIs) such as imatinib, nilotinib, and dasatinib, chronic myelogenous leukemia (CML) prognosis has improved greatly. However, ~30-40% of patients develop resistance to imatinib therapy. Although most resistance is caused by mutations in the BCR-ABL kinase domain, 50-85% of these patients develop resistance in the absence of new mutations. In these cases, targeting other pathways may be needed to regain clinical response. Using label-free Raman spectromicroscopy, we evaluated a number of leukemia cell lines and discovered an aberrant accumulation of cholesteryl ester (CE) in CML, which was found to be a result of BCR-ABL kinase activity...
2017: PloS One
https://www.readbyqxmd.com/read/28718465/structure-and-molecular-packing-in-smectic-bcr-and-ad-phases-of-schiff-base-liquid-crystal-compounds-through-the-analyses-of-layer-spacing-entropy-and-crystal-structure
#8
Yasuhisa Yamamura, Takahito Murakoshi, Sakiko Iwagaki, Natalia Osiecka, Hideki Saitoh, Mafumi Hishida, Zbigniew Galewski, Maria Massalska-Arodź, Kazuya Saito
Single-crystal structural analyses and heat capacity measurements were performed on two Schiff base liquid crystal compounds, 5CBAA (4-chlorobenzylidene-4'-pentyloxyaniline) and 5ABCA (4-pentyloxybenzylidene-4'-chloroaniline). The alkyloxy-chain of a 5CBAA molecule was conformationally ordered in the crystal at room temperature. While that of 5ABCA was partially disordered in the room temperature phase but ordered in a low-temperature phase at 100 K. The structural phase transition involving the disordering of the conformation was observed at 107 K in the heat capacity of 5ABCA...
July 18, 2017: Physical Chemistry Chemical Physics: PCCP
https://www.readbyqxmd.com/read/28716125/mercury-alters-endogenous-phosphorylation-profiles-of-syk-in-murine-b-cells
#9
Joseph A Caruso, Nicholas Carruthers, Namhee Shin, Randal Gill, Paul M Stemmer, Allen Rosenspire
BACKGROUND: Epidemiological evidence and animal models suggest that exposure to low and non-neurotoxic concentrations of mercury may contribute to idiosyncratic autoimmune disease. Since defects in function and signaling in B cells are often associated with autoimmunity, we investigated whether mercury exposure might alter B cell responsiveness to self-antigens by interfering with B cell receptor (BCR) signal transduction. In this study we determined the effects of mercury on the protein tyrosine kinase SYK, a critical protein involved in regulation of the BCR signaling pathway...
July 17, 2017: BMC Immunology
https://www.readbyqxmd.com/read/28715941/moderate-anemia-at-diagnosis-is-an-independent-prognostic-marker-of-the-eutos-sokal-and-hasford-scores-for-survival-and-treatment-response-in-chronic-phase-chronic-myeloid-leukemia-patients-with-frontline-imatinib
#10
Po-Shen Ko, Yuan-Bin Yu, Yao-Chung Liu, Yi-Tsui Wu, Man-Hsin Hung, Jyh-Pyng Gau, Chia-Jen Liu, Liang-Tsai Hsiao, Po-Min Chen, Tzeon-Jye Chiou, Chun-Yu Liu, Jin-Hwang Liu
OBJECTIVES: We aimed to examine the prognostic value of anemia for the diagnosis of chronic myeloid leukemia in the chronic phase (CML-CP) receiving imatinib. METHODS: One hundred fifty-four CML-CP patients were enrolled. The influences of moderate anemia with hemoglobin (Hb) < 10 g/dl, four scoring systems and the early molecular response at three months (BCR-ABL ≤ 10%; 3M-EMR) on the achievement of a deep molecular response (DMR, MR4.5), progression-free survival (PFS), event-free survival (EFS) and overall survival (OS) were compared...
July 18, 2017: Current Medical Research and Opinion
https://www.readbyqxmd.com/read/28710251/role-for-zap-70-signaling-in-the-differential-effector-functions-of-rituximab-and-obinutuzumab-ga101-in-chronic-lymphocytic-leukemia-b-cells
#11
Sladjana Skopelja-Gardner, Jonathan D Jones, B JoNell Hamilton, Alexey V Danilov, William F C Rigby
Rituximab (RTX) has been the hallmark anti-CD20 mAb for the treatment of B cell neoplasms, including B cell chronic lymphocytic leukemia (B-CLL). Recently, a novel humanized anti-CD20 mAb obinutuzumab (GA101) has been implemented as first-line CLL therapy. Treatment of CLL patients with RTX is associated with CD20 loss via an FcγR-mediated process, trogocytosis. RTX-induced trogocytosis has been characterized as both the means of resistance to therapy, via loss of cell surface target proteins (antigenic modulation), as well as a process that alters B cell phenotype and function...
July 14, 2017: Journal of Immunology: Official Journal of the American Association of Immunologists
https://www.readbyqxmd.com/read/28709888/biopsy-detected-gleason-pattern-5-is-associated-with-recurrence-metastasis-and-mortality-in-a-cohort-of-men-with-high-risk-prostate-cancer
#12
Sean P Stroup, Daniel M Moreira, Zinan Chen, Lauren Howard, Jonathan H Berger, Martha K Terris, William J Aronson, Matthew R Cooperberg, Christopher L Amling, Christopher J Kane, Stephen J Freedland
PURPOSE: To evaluate the relative risk of biochemical recurrence (BCR), metastasis, and death from prostate cancer contributed by biopsy Gleason pattern 5 among high-risk men with Gleason 8-10 disease in the Shared Equal Access Regional Cancer Hospital (SEARCH) cohort. PATIENTS AND METHODS: Men with biopsy Gleason sum 8-10 prostate cancer treated with radical prostatectomy were evaluated. The cohort was divided: Gleason 4+4 vs. those with any pattern 5 (i.e., Gleason 3+5, 5+3, 4+5, 5+4, and 5+5)...
July 11, 2017: Journal of Urology
https://www.readbyqxmd.com/read/28709134/bcr-abl1-like-acute-lymphoblastic-leukaemia-from-bench-to-bedside
#13
REVIEW
Judith M Boer, Monique L den Boer
Acute lymphoblastic leukaemia (ALL) occurs in approximately 1:1500 children and is less frequently found in adults. The most common immunophenotype of ALL is the B cell lineage and within B cell precursor ALL, specific genetic aberrations define subtypes with distinct biological and clinical characteristics. With more advanced genetic analysis methods such as whole genome and transcriptome sequencing, novel genetic subtypes have recently been discovered. One novel class of genetic aberrations comprises tyrosine kinase-activating lesions, including translocations and rearrangements of tyrosine kinase and cytokine receptor genes...
July 11, 2017: European Journal of Cancer
https://www.readbyqxmd.com/read/28708130/clinical-and-prognostic-significance-of-e1a2-bcr-abl1-transcript-subtype-in-chronic-myeloid-leukemia
#14
Z Gong, L J Medeiros, J E Cortes, L Zheng, J D Khoury, W Wang, G Tang, S Loghavi, R Luthra, W Yang, H M Kantarjian, S Hu
No abstract text is available yet for this article.
July 14, 2017: Blood Cancer Journal
https://www.readbyqxmd.com/read/28707321/expansion-of-bcr-abl1-cells-requires-pak2-but-not-pak1
#15
Leo Edlinger, Angelika Berger-Becvar, Ingeborg Menzl, Gregor Hoermann, Georg Greiner, Eva Grundschober, Zsuzsanna Bago-Horvath, Wael Al-Zoughbi, Gerald Hoefler, Christine Brostjan, Lars Gille, Richard Moriggl, Andreas Spittler, Veronika Sexl, Andrea Hoelbl-Kovacic
The p21-activated kinases (PAKs) are key nodes in oncogenic signalling pathways controlling growth, survival, and motility of cancer cells. Their activity is increased in many human cancers and is associated with poor prognosis. To date, PAK deregulation has mainly been studied in solid tumours, where PAK1 and PAK4 are the main isoforms deregulated. We show that PAK1 and PAK2 are the critical isoforms in a BCR/ABL1(+) haematopoietic malignancy. In suspension, leukaemic cells deficient for PAK1 and PAK2 undergo apoptosis, while the loss of either protein is well tolerated...
July 14, 2017: British Journal of Haematology
https://www.readbyqxmd.com/read/28706179/nilotinib-induced-recurrent-gastric-polyps-case-report-and-review-of-literature
#16
Nancy Kassem, Omar M Ismail, Halima Elomri, Mohamad A Yassin
BACKGROUND Tyrosine kinase inhibitors (TKIs) are currently an important targeted drug class in the treatment of chronic myeloid leukemia (CML). Imatinib was the first approved TKI for CML in 2001. Nilotinib is a second-generation TKI, approved in 2007; it inhibits BCR-ABL, PDGFR, and c-KIT, and is 30 times more potent than imatinib. Tyrosine kinase enzymes are expressed in multiple tissues and are involved in several signaling pathways; they have been shown to have several off-target side effects. CASE REPORT We report a case of an elderly male with CML and no history of gastrointestinal diseases, treated with nilotinib, and developed recurrent gastric polyps after three years of treatment...
July 14, 2017: American Journal of Case Reports
https://www.readbyqxmd.com/read/28705801/the-mir-15-family-reinforces-the-transition-from-proliferation-to-differentiation-in-pre-b-cells
#17
Silke E Lindner, Michael Lohmüller, Bianka Kotkamp, Fabian Schuler, Zeynep Knust, Andreas Villunger, Sebastian Herzog
Precursor B lymphocytes expand upon expression of a pre-B cell receptor (pre-BCR), but then transit into a resting state in which immunoglobulin light chain gene recombination is initiated. This bi-phasic sequence is orchestrated by the IL-7 receptor (IL-7R) and pre-BCR signaling, respectively, but little is known about microRNAs fine-tuning these events. Here, we show that pre-B cells lacking miR-15 family functions exhibit prolonged proliferation due to aberrant expression of the target genes cyclin E1 and D3...
July 13, 2017: EMBO Reports
https://www.readbyqxmd.com/read/28704165/specific-monoclonal-antibody-against-bcr-abl-out-of-frame-alternative-proteins-as-diagnostic-tool-in-chronic-myelogenous-leukemia-patients
#18
Claudia Casnici, Katia Crotta, Gisella Volpe, Cristina Panuzzo, Donatella Lattuada, Giulia Mesiano, Giuseppe Saglio, Ornella Marelli
More recently, alternative splicing of specific genes are investigated for their therapeutic potential. In particular, we reported the existence of BCR-ABL alternative splicing isoforms, in about 80% of Philadelphia-positive patients, which lead to the expression of aberrant proteins. These fusion proteins are characterized by an orphan initial and correct Bcr portion attached to a 112 amino acid sequence, arising from the impairment in the reading frame (reading of ABL exon 4 and 5). We demonstrated that these Abl-out-of-frame (OOF) isoforms could have an immunological role with therapeutic implications...
July 13, 2017: Monoclonal Antibodies in Immunodiagnosis and Immunotherapy
https://www.readbyqxmd.com/read/28702412/megakaryocytic-morphology-in-janus-kinase-2-v617f-positive-myeloproliferative-neoplasm
#19
Shuchi Ghai, Sharada Rai
CONTEXT: Alterations in megakaryocyte morphology are the hallmark of myeloproliferative neoplasms (MPNs). These neoplasm are also associated with Janus kinase 2 (JAK2) V617F mutation in nearly 95% patients with polycythemia vera (PV), 40% patients of essential thrombocythemia (ET) and 50% patients of myelofibrosis (MF). The utility of megakaryocyte morphology in these disorders in correlation with JAK2 V617F remains unresolved. AIMS: The aim of the study was to assess the morphology of megakaryocytes in bone marrow aspirates (BMAs) and bone marrow biopsies of patients of BCR-ABL negative MPNs with JAK2 V617F mutation...
April 2017: South Asian Journal of Cancer
https://www.readbyqxmd.com/read/28700329/decreased-expression-of-mt1e-is-a-potential-biomarker-of-prostate-cancer-progression
#20
Rita Demidenko, Kristina Daniunaite, Arnas Bakavicius, Rasa Sabaliauskaite, Aiste Skeberdyte, Donatas Petroska, Arvydas Laurinavicius, Feliksas Jankevicius, Juozas R Lazutka, Sonata Jarmalaite
Differentiation of indolent and aggressive prostate carcinoma (PCa) at the time of diagnosis is currently one of the major challenges. This study aimed at identification of prognostic biomarkers to aid in predicting biochemical recurrence (BCR) of the disease. Microarray-based gene expression profiling in tissues of 8 BCR and 8 No-BCR cases revealed expression differences of 455 genes, most of which were down-regulated in BCR cases. Eleven genes were selected for validation by real-time PCR in the first PCa cohort (N = 55), while seven of them were further validated in the second, independent, PCa cohort (N = 53)...
June 27, 2017: Oncotarget
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