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https://www.readbyqxmd.com/read/28813645/lat-is-essential-for-the-mast-cell-stabilising-effect-of-thga-in-ige-mediated-mast-cell-activation
#1
Ji Wei Tan, Daud Ahmad Israf, Nur Fariesha Md Hashim, Yoke Kqueen Cheah, Hanis Hazeera Harith, Khozirah Shaari, Chau Ling Tham
Mast cells play a central role in the pathogenesis of allergic reaction. Activation of mast cells by antigens is strictly dependent on the influx of extracellular calcium that involves a complex interaction between signalling molecules located within the cells. We have previously reported that tHGA, an active compound originally isolated from a local shrub known as Melicope ptelefolia, prevented IgE-mediated mast cell activation and passive systemic anaphylaxis by suppressing the release of interleukin-4 (IL-4) and tumour necrosis factor (TNF)-α from activated rat basophilic leukaemia (RBL)-2H3 cells...
August 13, 2017: Biochemical Pharmacology
https://www.readbyqxmd.com/read/28813436/enhancement-of-the-production-of-l-glutaminase-an-anticancer-enzyme-from-aeromonas-veronii-by-adaptive-and-induced-mutation-techniques
#2
S Aravinth Vijay Jesuraj, Md Moklesur Rahman Sarker, Long Chiau Ming, S Marylin Jeya Praya, M Ravikumar, Wong Tin Wui
Microbial anti-cancer enzymes have been proven to be effective and economical agents for cancer treatment. Aeromonas veronii has been identified as a microorganism with the potential to produce L-glutaminase, an anticancer agent effective against acute lymphocytic leukaemia. In this study, a selective medium of Aeromonas veronii was used to culture the microorganism. Strain improvement was done by adaptive and induced mutational techniques. A selective minimal agar media was incorporated for the growth of the strain which further supports adaptive mutation...
2017: PloS One
https://www.readbyqxmd.com/read/28812013/intelligent-techniques-using-molecular-data-analysis-in-leukaemia-an-opportunity-for-personalized-medicine-support-system
#3
REVIEW
Haneen Banjar, David Adelson, Fred Brown, Naeem Chaudhri
The use of intelligent techniques in medicine has brought a ray of hope in terms of treating leukaemia patients. Personalized treatment uses patient's genetic profile to select a mode of treatment. This process makes use of molecular technology and machine learning, to determine the most suitable approach to treating a leukaemia patient. Until now, no reviews have been published from a computational perspective concerning the development of personalized medicine intelligent techniques for leukaemia patients using molecular data analysis...
2017: BioMed Research International
https://www.readbyqxmd.com/read/28811618/assessment-of-the-role-of-ageing-and-non-ageing-factors-in-death-from-non-communicable-diseases-based-on-a-cumulative-frequency-model
#4
Liu Hui
To quantify the effects of ageing and non-ageing factors, a characterization of the effects of ageing, genetic, and exogenous variables on 12 major non-communicable diseases was evaluated using a model assessing cumulative frequency of death and survival by age group from dead and surviving populations based on mortality statistics. Indices (0-1) of the roles of ageing (ARD), genetics (GRD) and exogenous (ERD) variables in deaths due to disease were established, and the sum of ARD, GRD and ERD was 1 (value of each indices was <1)...
August 15, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28807628/vertebral-alveolar-echinococcosis-a-case-report-systematic-analysis-and-review-of-the-literature
#5
REVIEW
Thomas Raphael Meinel, Bruno Gottstein, Vanessa Geib, Marius Johann Keel, Ruggero Biral, Markus Mohaupt, Jan Brügger
Alveolar echinococcosis caused by Echinococcus multilocularis is an infrequent zoonosis with a high degree of disability, morbidity, and mortality, especially in disease clusters of the northern hemisphere. The diagnosis is complicated by extended incubation time, diverse clinical manifestations, and mimicking of differential diagnoses. The primary organ affected is the liver, but extrahepatic disease is possible, with vertebral involvement in only a few dozen cases described worldwide. Although vertebral alveolar echinococcosis seems to be rare, it might be under diagnosed, and it might be seen more often as the number of people with immunocompromised conditions increases...
August 11, 2017: Lancet Infectious Diseases
https://www.readbyqxmd.com/read/28802171/parental-occupational-exposure-to-benzene-and-the-risk-of-childhood-cancer-a-census-based-cohort-study
#6
Ben Daniel Spycher, Judith Eva Lupatsch, Anke Huss, Johannes Rischewski, Christina Schindera, Adrian Spoerri, Roel Vermeulen, Claudia Elisabeth Kuehni
BACKGROUND: Previous studies on occupational exposures in parents and cancer risks in their children support a link between solvents and paints with childhood leukaemia. Few studies have focused specifically on benzene. OBJECTIVES: To examine whether parental occupational exposure to benzene is associated with an increased cancer risk in a census-based cohort of children. METHODS: From a census-based cohort study in Switzerland, we included children aged <16years at national censuses (1990, 2000)...
August 9, 2017: Environment International
https://www.readbyqxmd.com/read/28801389/the-role-of-rehabilitation-measures-in-reintegration-of-children-with-brain-tumours-or-leukaemia-and-their-families-after-completion-of-cancer-treatment-a-study-protocol
#7
Mona Leandra Peikert, Laura Inhestern, Corinna Bergelt
INTRODUCTION: For ill children as well as for their parents and siblings, childhood cancer poses a major challenge. Little is known about the reintegration into daily life of childhood cancer survivors and their families. The aim of this prospective observational study is to further the understanding of the role of rehabilitation measures in the reintegration process of childhood leukaemia or brain tumour survivors and their family members after the end of cancer treatment. METHODS AND ANALYSIS: This prospective observational study consists of three study arms: a quantitative study in cooperation with three German paediatric oncological study registries (study arm 1), a quantitative study in cooperation with a rehabilitation clinic that offers a family-oriented paediatric oncological rehabilitation programme (study arm 2) and a qualitative study at 12-month follow-up including families from the study arms 1 and 2 (study arm 3)...
August 11, 2017: BMJ Open
https://www.readbyqxmd.com/read/28801348/incidental-detection-of-germline-variants-of-potential-clinical-significance-by-massively-parallel-sequencing-in-haematological-malignancies
#8
Costas K Yannakou, Kate Jones, Georgina L Ryland, Ella R Thompson, Gareth Reid, Michelle McBean, Alison Trainer, David Westerman, Piers Blombery
Massively parallel sequencing (MPS) technology has become routinely available for diagnosis, prognostication and therapeutic decision-making in haematological malignancies. However, increased throughput and wider coverage of genes can have unintended consequences. Germline variants of potential clinical significance (GVPCSs) detected during cancer testing may have implications for patients and families beyond the biological evaluation of a specific tumour. 721 reports generated from MPS panels used in the routine testing of myeloid and lymphoid malignancies were reviewed and variants within genes of potential germline relevance (TP53, RUNX1, GATA2 and WT1 in all contexts and CBL, KRAS and NRAS in the setting of juvenile myelomonocytic leukaemia) were analysed...
August 11, 2017: Journal of Clinical Pathology
https://www.readbyqxmd.com/read/28801332/acute-myeloid-leukaemia-masquerading-as-a-primary-cns-tumour
#9
Branko Cuglievan, Brian A Menegaz, Sofia Garces, Michael E Rytting
In children with newly diagnosed acute myeloid leukaemia (AML), myeloid sarcomas (MS) of the central nervous system (CNS) are rare. Since MS involving the CNS are potentially curable, timely recognition is paramount. Establishing a diagnosis may be problematic as they can easily mimic primary CNS neoplasms. We report the case of a 5-year-old boy with AML with t(8;21)(q22;q22) rearrangement who presented with a massive intracranial MS and rapid clinical deterioration suggestive of a meningioma or a primitive neuroectodermal tumour...
August 11, 2017: BMJ Case Reports
https://www.readbyqxmd.com/read/28800491/survival-for-patients-with-rare-haematologic-malignancies-changes-in-the-early-21st-century
#10
Dianne Pulte, Janick Weberpals, Lina Jansen, Sabine Luttmann, Bernd Holleczek, Alice Nennecke, Meike Ressing, Alexander Katalinic, Hermann Brenner
INTRODUCTION: Population-level survival has improved for common haematologic malignancies in the early 21st century. However, relatively few population-level data are available for rare haematologic malignancies. METHODS: Data were extracted from 12 cancer registries in Germany and the Surveillance, Epidemiology and End Results database in the United States (US). Cases of haematologic malignancies with an incidence of less than 1 per 100,000 were selected for analysis...
August 7, 2017: European Journal of Cancer
https://www.readbyqxmd.com/read/28799176/the-molecular-mechanism-behind-resistance-of-the-kinase-flt3-to-the-inhibitor-quizartinib
#11
Ran Friedman
Fms-like tyrosine kinase 3 (FLT3) is a receptor tyrosine kinase that is a drug target for leukaemias. Several potent inhibitors of FLT3 exists, and bind to the inactive form of the enzyme. Unfortunately, resistance due to mutations in the kinase domain of FLT3 limits the therapeutic effects of these inhibitors. As in many other cases, it is not straightforward to explain why certain mutations lead to drug resistance. Extensive fully-atomistic molecular dynamics (MD) simulations of FLT3 were carried out with an inhibited form (FLT-quizartinib complex), a free (apo) form and an active conformation...
August 11, 2017: Proteins
https://www.readbyqxmd.com/read/28798814/editorial-childhood-cancer-in-sub-saharan-africa
#12
EDITORIAL
Donald Maxwell Parkin, Cristina Stefan
Measurement of incidence rates of childhood cancer in Africa is difficult. The study 'Cancer of Childhood in sub Saharan Africa' [Stefan C, Bray F, Ferlay J, Parkin DM and Liu B (2017) Cancer of Childhood in sub-Saharan Africaecancer11(755)] brings together results from 16 population-based registries which, as members of the African Cancer Registry Network (AFCRN), have been evaluated as achieving adequate coverage of their target population. The cancers are classified according to the third revision of the International Classification of Childhood Cancer (ICCC-3) and recorded rates in Africa are compared with those in childhood populations in the UK, France, and the USA...
2017: Ecancermedicalscience
https://www.readbyqxmd.com/read/28795412/severe-neurological-disorders-and-refractory-aspergillosis-in-an-adolescent-treated-by-vincristine-and-voriconazole
#13
Y Bennis, S Bodeau, A Lutun, A Gourmel, C Solas, S Quaranta, N Guillaume, T Chouaki, A-S Lemaire-Hurtel, K Masmoudi
WHAT IS KNOWN AND OBJECTIVE: Voriconazole and vincristine are major therapeutics in paediatric haematology. However, the risk-benefit ratio of the treatment of invasive aspergillosis with voriconazole in patients receiving vincristine-based chemotherapy remains unclear. CASE DESCRIPTION: We report severe peripheral and central neurological disorders in a 14-year-old girl with T-cell acute lymphoblastic leukaemia and pulmonary aspergillosis. The case describes a strong exacerbation by voriconazole of the vincristine-induced neuropathic pains...
August 10, 2017: Journal of Clinical Pharmacy and Therapeutics
https://www.readbyqxmd.com/read/28794865/recent-advances-in-acute-promyelocytic-leukaemia
#14
REVIEW
Chin-Hin Ng, Wee-Joo Chng
Acute promyelocytic leukaemia (APML) is a subtype of leukaemia arising from a distinct reciprocal translocation involving chromosomes 15 and 17, which results in the PML-RARA fusion gene. Over the past three decades, APML has been transformed from a highly fatal disease to a highly curable one. This drastic improvement is because of the introduction of a new treatment strategy with all-trans retinoic acid and, more recently, arsenic trioxide. The revolutionary treatment of APML has also paved the way for a new cancer treatment, which is genetically targeted therapy...
2017: F1000Research
https://www.readbyqxmd.com/read/28791527/impact-of-imatinib-on-the-fertility-of-male-patients-with-chronic-myelogenous-leukaemia-in-the-chronic-phase
#15
Xiaohui Chang, Lin Zhou, Xiaoxia Chen, Baoli Xu, Yubin Cheng, Shujun Sun, Meiyun Fang, Yang Xiang
BACKGROUND: Imatinib is a first-line tyrosine kinase inhibitor for treating chronic myelogenous leukaemia (CML) and has greatly improved the prognosis of this disease. An increasing number of CML patients of reproductive age are diagnosed each year, and the impact of imatinib on fertility is a major concern. Providing useful advice to these patients regarding the choice of their therapeutic treatment is very important. OBJECTIVE: This study examined the impact of imatinib on the fertility of male patients with CML in the chronic phase...
August 8, 2017: Targeted Oncology
https://www.readbyqxmd.com/read/28782216/temporal-changes-in-neutropenic-blood-culture-isolates-and-disease-associations-a-single-centre-series-of-1139-episodes
#16
Nathanael Lucas, Michael Humble, Dalice Sim, Michelle Balm, John Carter, Robert Weinkove
Neutropenic infections are life-threatening and require empiric antibiotic treatment. We examined 1139 blood culture isolates from our institution over a 36-year period from neutropenic patients to examine temporal trends and disease associations. Positive associations were found between viridans streptococci and acute myeloid leukaemia, coagulase negative staphylococci and acute lymphoblastic leukaemia and Pseudomonas aeruginosa and indolent B-cell malignancies.
August 2017: Internal Medicine Journal
https://www.readbyqxmd.com/read/28782144/syndrome-of-inappropriate-antidiuretic-hormone-secretion-from-concomitant-use-of-itraconazole-and-vindesine
#17
H Zhou, L Li, Y Zhou, Y Han
WHAT IS KNOWN AND OBJECTIVE: Several studies have reported that itraconazole-induced inhibition of vincristine (VCR) metabolism might result in neurological impairment and syndrome of inappropriate antidiuretic hormone (SIADH). However, there are few reports concerning adverse drug reactions (ADRs) resulting from concomitant use of vindesine (VDS) and itraconazole. Here, we report the first case of adverse drug interactions (ADIs) between itraconazole and VDS in a Chinese child with acute lymphocytic leukaemia (ALL)...
August 6, 2017: Journal of Clinical Pharmacy and Therapeutics
https://www.readbyqxmd.com/read/28781815/preliminary-data-on-microrna-expression-profiles-in-a-group-of-south-african-patients-diagnosed-with-chronic-myeloid-leukaemia
#18
Andrea Prinsloo, Roger Pool, Chantal Van Niekerk
Micro-ribonucleic acids (miRNAs) are small functional non-coding RNAs that downregulate gene expression at the post-transcriptional level. Abnormal expression of specific miRNAs has been recorded in chronic lymphocytic leukaemia, other non-Hodgkin B-cell lymphomas, lung cancer and chronic myeloid leukaemia (CML). The aim of this study was to compare miRNA expression profiles among patients with newly diagnosed CML, those on established therapy with imatinib mesylate, and healthy individuals. The expression of 88 miRNAs was evaluated in a total of nine samples divided into three groups: Group 1 comprised three samples collected from newly diagnosed CML patients; group 2 consisted of three samples collected from patients on therapy; the remaining three samples were collected from healthy volunteers (control group)...
September 2017: Molecular and Clinical Oncology
https://www.readbyqxmd.com/read/28774190/isolation-and-antiproliferative-activity-of-chemical-constituents-from-asystasia-buettneri-lindau
#19
Abdulmumeen A Hamid, Olapeju O Aiyelaagbe, Arvind S Negi, Suaib Luqman, Fatima Kaneez
N-hexane and methanol extracts of Asystasia buettneri Lindau aerial parts exhibited antiproliferative activity on leukaemia blood carcinoma, K-562. Hexadecane (1), 1,3-propan-2-ol (9Z,12'Z,15″Z)-bis(doeicos-9,12,15-trienoate) (2), hydrocarbon, 2,3,3,10,23-pentamethyl tetraeicos-10,13,16-trien-1-ol (3), hexadecanoic acid (4) and taraxerol (5) were isolated from n-hexane extract; stigmasterol (6) and (Z)-9-octadecenoic acid (7) were isolated from ethyl acetate extract; while unsaturated hydrocarbons, octadecene (8), 8-methyl tetradec-6-ene (9) and 19-methyl eicos-1-ene (10), fatty acids, (Z)-5-hexadecenoic acid (11), 11,22-dimethyl ethyltrieicos-11-enoate (12) and taraxasterol (13) were isolated from methanol extract of the plant...
August 3, 2017: Natural Product Research
https://www.readbyqxmd.com/read/28771672/med12-mutations-and-notch-signalling-in-chronic-lymphocytic-leukaemia
#20
Bian Wu, Mikołaj Słabicki, Leopold Sellner, Sascha Dietrich, Xiyang Liu, Alexander Jethwa, Jennifer Hüllein, Tatjana Walther, Lena Wagner, Zhiqin Huang, Marc Zapatka, Thorsten Zenz
Mutations in the N-terminus of MED12 protein occur at high frequency in uterine leiomyomas and breast fibroepithelial tumours, and are frequently found in chronic lymphocytic leukaemia (CLL). MED12 mutations have been previously linked to aberrant Cyclin C-CDK8 kinase activity, but the exact oncogenic function in CLL is unknown. Here, we characterized MED12 mutations in CLL and identified recurrent mutations in 13 out of 188 CLL patients (6·9%), which clustered in the N-terminus. MED12 mutations were associated with unmutated IGHV (P = 0·024)...
August 2, 2017: British Journal of Haematology
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