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https://www.readbyqxmd.com/read/28219126/-clinical-significance-of-hypermethylation-of-dlc-1-gene-in-myelodysplastic-syndrome-patients-and-effects-of-decitabine-on-dlc-1-gene-expression
#1
H Y Fu, H R Zhou, J G Yan, C J Chen, J Z Shen
Objective: To detect the methylation status of DLC-1 gene in the patients with myelodysplastic syndrome(MDS), the effect of abnormal methylation of DLC-1 gene on the expression of DLC-1 gene, the clinical significance of methylation of DLC-1 gene in MDS patients, and the effect of decitabine on DLC-1 gene expression. Methods: A total of 43 MDS patients were treated in Fujian Medical University Union Hospital from 2013 to 2015. Methylation status of DLC-1 gene in MDS patients were detected by the methylation specific PCR(MSP)...
February 14, 2017: Zhonghua Yi Xue za Zhi [Chinese medical journal]
https://www.readbyqxmd.com/read/28215872/detection-of-specific-antibodies-in-cats-infected-with-the-lung-nematode-aelurostrongylus-abstrusus
#2
Eva-Maria Zottler, Christina Strube, Manuela Schnyder
Feline aelurostrongylosis, caused by the metastrongylid nematode Aelurostrongylus abstrusus, is an underestimated respiratory parasitosis. Its diagnosis currently mainly relies on the isolation of first stage larvae from fresh faecal samples. The aim of our study was to develop a serological test for the detection of specific antibodies against A. abstrusus by ELISA. We used recombinant major sperm protein (MSP) of the bovine lungworm Dictyocaulus viviparus as detection antigen and evaluated two different ELISA plates (Maxisorp and Immobilizer™ Amino-plate, Nunc Roskilde, Denmark) with two different enzyme systems [alkaline phosphatase (AP) and horseradish peroxidase (HRP)]...
February 15, 2017: Veterinary Parasitology
https://www.readbyqxmd.com/read/28212317/an-auction-based-spectrum-leasing-mechanism-for-mobile-macro-femtocell-networks-of-iot
#3
Xin Chen, Lei Xing, Tie Qiu, Zhuo Li
The Internet of Things (IoT) is a vision of the upcoming society. It can provide pervasive communication between two or more entities using 4G-LTE (Long Term Evolution) communication technology. In 4G-LTE networks, there are two important problems: helping manage the spectrum demands of IoT devices and achieving much more revenue with the limited resource. This paper proposes a pricing framework to investigate the spectrum leasing in mobile heterogeneous networks with single macrocell and multiple femtocells...
February 16, 2017: Sensors
https://www.readbyqxmd.com/read/28209423/constitutive-increases-in-amygdalar-corticotropin-releasing-factor-and-fatty-acid-amide-hydrolase-drive-an-anxious-phenotype
#4
Luis A Natividad, Matthew W Buczynski, Melissa A Herman, Dean Kirson, Christopher S Oleata, Cristina Irimia, Ilham Polis, Roberto Ciccocioppo, Marisa Roberto, Loren H Parsons
BACKGROUND: Corticotropin-releasing factor (CRF) mediates anxiogenic responses by activating CRF type 1 (CRF1) receptors in limbic brain regions. Anxiety is further modulated by the endogenous cannabinoid (eCB) system that attenuates the synaptic effects of stress. In the amygdala, acute stress activates the enzymatic clearance of the eCB N-arachidonoylethanolamine via fatty acid amide hydrolase (FAAH), although it is unclear whether chronic dysregulation of CRF systems induces maladaptive changes in amygdalar eCB signaling...
January 13, 2017: Biological Psychiatry
https://www.readbyqxmd.com/read/28202027/a-novel-pfs38-protein-complex-on-the-surface-of-plasmodium-falciparum-blood-stage-merozoites
#5
Gourab Paul, Arunaditya Deshmukh, Inderjeet Kaur, Sumit Rathore, Surbhi Dabral, Ashutosh Panda, Susheel Kumar Singh, Asif Mohmmed, Michael Theisen, Pawan Malhotra
BACKGROUND: The Plasmodium genome encodes for a number of 6-Cys proteins that contain a module of six cysteine residues forming three intramolecular disulphide bonds. These proteins have been well characterized at transmission as well as hepatic stages of the parasite life cycle. In the present study, a large complex of 6-Cys proteins: Pfs41, Pfs38 and Pfs12 and three other merozoite surface proteins: Glutamate-rich protein (GLURP), SERA5 and MSP-1 were identified on the Plasmodium falciparum merozoite surface...
February 16, 2017: Malaria Journal
https://www.readbyqxmd.com/read/28195093/molecular-identification-of-candida-species-isolated-from-cases-of-neonatal-candidemia-using-polymerase-chain-reaction-restriction-fragment-length-polymorphism-in-a-tertiary-care-hospital
#6
Akeela Fatima, Gulnaz Bashir, Tehmeena Wani, Abiroo Jan, Amrish Kohli, Mosin S Khan
CONTEXT: Candida spp. is an emerging cause of bloodstream infections worldwide. Delay in speciation of Candida isolates by conventional methods and resistance to antifungal drugs in various Candida species are responsible for the increase in morbidity and mortality due to candidemia. Hence, the rapid identification of Candida isolates is very important for the proper management of patients with candidemia. AIMS: The aim was to re-evaluate the identification of various Candida spp...
January 2017: Indian Journal of Pathology & Microbiology
https://www.readbyqxmd.com/read/28192434/adverse-effects-of-mefloquine-for-the-treatment-of-uncomplicated-malaria-in-thailand-a-pooled-analysis-of-19-850-individual-patients
#7
Sue J Lee, Feiko O Ter Kuile, Ric N Price, Christine Luxemburger, François Nosten
Mefloquine (MQ) has been used for the treatment of malaria since the mid-1980s, first as monotherapy or as fixed combination with sulfadoxine-pyrimethamine (MSP) and since the mid-1990s in combination with artesunate. There is a renewed interested in MQ as part of a triple therapy for the treatment of multi-drug resistance P. falciparum malaria. The widespread use of MQ beyond south-East Asia has been constrained by reports of poor tolerability. Here we present the side effect profile of MQ for the treatment of uncomplicated malaria on the Thai-Myanmar/Cambodia borders...
2017: PloS One
https://www.readbyqxmd.com/read/28185970/risk-factors-for-hemorrhagic-transformation-following-intravenous-thrombolysis-in-acute-cerebral-infarction-a-retrospective-single-center-study
#8
Xiahong Xu, Changsong Li, Ting Wan, Xiaobo Gu, Wenxia Zhu, Junjie Hao, Huan Bao, Lian Zuo, Hui Hu, Gang Li
OBJECTIVE: To investigate the risk factors for the hemorrhagic transformation (HT) following intravenous thrombolysis using a recombinant tissue plasminogen activator (r-tPA) in acute cerebral infarction. METHODS: Acute cerebral infarction patients receiving r-tPA thrombolysis in Shanghai Eastern Hospital were retrospectively studied. Based upon the cranial CT or MRI examination, after the intravenous thrombolysis, the patients were divided into two groups: HT group and non-HT group...
February 6, 2017: World Neurosurgery
https://www.readbyqxmd.com/read/28161886/phase-1-study-of-narnatumab-an-anti-ron-receptor-monoclonal-antibody-in-patients-with-advanced-solid-tumors
#9
Patricia M LoRusso, Mrinal Gounder, Shadia I Jalal, Valérie André, Siva Rama Prasad Kambhampati, Nick Loizos, Jennifer Hall, Timothy R Holzer, Aejaz Nasir, Jan Cosaert, John Kauh, E Gabriela Chiorean
Purpose Macrophage-stimulating 1-receptor (RON) is expressed on macrophages, epithelial cells, and a variety of tumors. Narnatumab (IMC-RON8; LY3012219) is a neutralizing monoclonal antibody that blocks RON binding to its ligand, macrophage-stimulating protein (MSP). This study assessed safety, maximum tolerated dose (MTD), pharmacokinetics, pharmacodynamics, and efficacy of narnatumab in patients with advanced solid tumors. Methods Narnatumab was administered intravenously weekly at 5, 10, 15, or 20 mg/kg or every 2 weeks at 15, 20, 30, or 40 mg/kg in 4-week cycles...
February 4, 2017: Investigational New Drugs
https://www.readbyqxmd.com/read/28126497/acute-effects-of-multisite-biventricular-pacing-on-dyssynchrony-and-hemodynamics-in-canines-with-heart-failure
#10
Qiong Qiu, Li Yang, Jing-Ting Mai, Ying Yang, Yong Xie, Yang-Xin Chen, Jing-Feng Wang
BACKGROUND: Multisite biventricular pacing(MSP) has been proposed as an alternative strategy to improve the efficiency of conventional biventricular pacing(BVP), but its utility remains unclear. This study sought to investigate whether MSP induced better synchrony and hemodynamic effects in canines with heart failure. METHODS AND RESULTS: After 3 weeks' rapid right ventricular pacing(RVP), 7 canines were sutured with 4 left ventricular(LV) leads on anterior, lateral, posterior and apical wall, and followed by MSP and BVP...
January 23, 2017: Journal of Cardiac Failure
https://www.readbyqxmd.com/read/28121474/elevated-levels-of-dna-methylation-at-the-oprm1-promoter-region-in-men-with-opioid-use-disorder
#11
Ghasem Ebrahimi, Gholamreza Asadikaram, Hamed Akbari, Mohammad Hadi Nematollahi, Moslem Abolhassani, Gholamabbas Shahabinejad, Leyla Khodadadnejad, Mohammad Hashemi
BACKGROUND: The mu-opioid receptor, encoded by mu-opioid receptor gene (OPRM1), has an important role in the development of addiction to opioids. Its aberrant reduction on the cell membrane is responsible, at least in part, for tolerance and physical dependence. OBJECTIVES: The present study was designed to identify the relationship between opium consumption and epigenetic mechanisms involved in opium addiction. METHODS: Genomic DNA was extracted from the peripheral blood of 66 men with opium use disorder and 57 healthy men as a control group...
January 25, 2017: American Journal of Drug and Alcohol Abuse
https://www.readbyqxmd.com/read/28103905/spatio-temporal-analysis-of-the-genetic-diversity-and-complexity-of-plasmodium-falciparum-infections-in-kedougou-southeastern-senegal
#12
Makhtar Niang, Laty G Thiam, Cheikh Loucoubar, Abdourahmane Sow, Bacary D Sadio, Mawlouth Diallo, Amadou A Sall, Aissatou Toure-Balde
BACKGROUND: Genetic analyses of the malaria parasite population and its temporal and spatial dynamics could provide an assessment of the effectiveness of disease control strategies. The genetic diversity of Plasmodium falciparum has been poorly documented in Senegal, and limited data are available from the Kedougou Region. This study examines the spatial and temporal variation of the genetic diversity and complexity of P. falciparum infections in acute febrile patients in Kedougou, southeastern Senegal...
January 19, 2017: Parasites & Vectors
https://www.readbyqxmd.com/read/28077587/malaria-parasitemia-and-parasite-density-in-antiretroviral-treated-hiv-infected-adults-following-discontinuation-of-cotrimoxazole-prophylaxis
#13
Ronald K Ottichilo, Christina S Polyak, Bernard Guyah, Benson Singa, Josphat Nyataya, Krista Yuhas, Grace John-Stewart, John N Waitumbi
BACKGROUND:  Cotrimoxazole (CTX) discontinuation increases malaria incidence in human immunodeficiency virus (HIV)-infected individuals. Rates, quantity, and timing of parasitemia rebound following CTX remain undefined. METHODS:  Serial specimens from a trial of HIV-infected individuals receiving antiretroviral treatment (ART) randomized to continue (the CTX arm) or discontinue (the STOP-CTX arm) were examined for malaria parasites by quantitative reverse transcription polymerase chain reaction (PCR)...
January 1, 2017: Journal of Infectious Diseases
https://www.readbyqxmd.com/read/28075501/a-recoverable-ruthenium-aqua-complex-supported-onto-silica-particles-an-efficient-epoxidation-catalyst
#14
M Isabel Romero, Ingrid Ferrer, Xavier Fontrodona, Anna Roig, Montserrat Rodríguez
The preparation and characterization of new complexes with a phosphonated trpy ligand (trpy-P-Et) and a bidentate pyridylpyrazole (pypz-Me) ligand, with formula [RuII(trpy-P-Et)(pypz-Me)X]n+ (X = Cl, n= 1, 2; X=H2O, n=2, 3) is described, together with the anchoring of 3 onto two types of supports: mesoporous silica particles (SP) and silica coated magnetic particles (MSP). The aqua complex 3 is easily obtained through reflux of 2 in water and displays a bielectronic Ru(IV/II) redox process. It has been anchored onto SP and MSP supports through two different synthetic strategies, yielding the heterogeneous systems SP@3 and MSP@3 that have been fully characterized by IR, UV-vis, SEM, CV and DPV...
January 11, 2017: Chemistry: a European Journal
https://www.readbyqxmd.com/read/28065415/two-sympatric-types-of-plasmodium-ovale-and-discrimination-by-molecular-methods
#15
REVIEW
Myo Thura Zaw, Zaw Lin
Plasmodium ovale is widely distributed in tropical countries, whereas it has not been reported in the Americas. It is not a problem globally because it is rarely detected by microscopy owing to low parasite density, which is a feature of clinical ovale malaria. P.o. curtisi and P.o. wallikeri are widespread in both Africa and Asia, and were known to be sympatric in many African countries and in southeast Asian countries. Small subunit ribosomal RNA (SSUrRNA) gene, cytochrome b (cytb) gene, and merozoite surface protein-1 (msp-1) gene were initially studied for molecular discrimination of P...
December 18, 2016: Journal of Microbiology, Immunology, and Infection, Wei Mian Yu Gan Ran za Zhi
https://www.readbyqxmd.com/read/28056297/-potential-mechanism-and-prognostic-value-of-promoter-methylation-of-prdm1-gene-in-diffuse-large-b-cell-lymphoma
#16
X Y Zhang, Z P Ma, W L Cui, R Chen, Abulajiang Glinaer, N Miao, X X Li
Objective: To investigate PRDM1 gene methylation status, immune classification and their prognostic significance in diffuse large B cell lymphoma (DLBCL). Methods: Immunohistochemical (IHC) staining for CD20, CD10, bcl-2, bcl-6, PRDM1/Blimp-1 and MUM1 was carried out in 100 cases of DLBCL specimens and 20 reactive lymphoid proliferation samples. All patients were classified into germinal center B cell-like (GCB) and activated B cell-like (ABC) subtype according to Hans' algorithmin. PRDM1 gene methylation was detected by methylation-specific PCR (MSP) and its relationship with clinicopathologic parameters was analyzed...
December 8, 2016: Zhonghua Bing Li Xue za Zhi Chinese Journal of Pathology
https://www.readbyqxmd.com/read/28003610/the-impact-of-gadolinium-based-contrast-agent-for-carbon-ion-radiotherapy
#17
Nao Mogi, Makoto Sakai, Ryosuke Okada, Yusuke Itabashi, Yasuhiro Fukushima, Yoshiki Kubota, Takayuki Sutou, Takashi Nakano, Tatsuya Ohno
PURPOSE: The contrast agent used in the diagnostic department has high atomic numbers and might influence dose deposition in the particle therapy. In particular, the influence of gadolinium-based (Gd) contrast agent on range in carbon ion radiotherapy has not yet been evaluated. For this reason, we avoid carbon treatment and planning computed tomography (CT) acquisition on days when the contrast-enhanced magnetic resonance image (MRI) is performed. In this study, we evaluated the time required for this beam range effect to vanish by evaluating the temporal changes in the CT values after an enhanced MRI as well as the stopping power of Gd solution...
2016: Nihon Hoshasen Gijutsu Gakkai Zasshi
https://www.readbyqxmd.com/read/28000556/therapeutic-approaches-blocking-glycan-synthesis-as-targeting-strategy-for-malaria
#18
Pollyanna Stephanie Gomes, Alexandre Morrot
Malaria annually infected million people around the world, especially in subtropical and tropical regions in the world. Thereby, the research effort is focused on new therapeutic targets to strike malaria, as drug resistance is one of the greatest challenges in malaria eradication. Carbohydrate recognition in Plasmodium-host interactions is one area for potential targets against disease. The glycan derivatives interfere with replication and invasion of Plasmodium falciparum. Sulfated glycosaminoglycans (GAGs) are known to block merozoite and sporozoite invasion...
December 20, 2016: Current Clinical Pharmacology
https://www.readbyqxmd.com/read/27998438/-inactivation-of-pms2-gene-by-promoter-methylation-in-nasopharyngeal-carcinoma
#19
H F Ni, B Jiang, Z Zhou, Y Li, X Y Yuan, X L Cao, G W Huang
Objective: To investigate the inactivation of PMS2 gene mediated by promoter methylation and its regulatory mechanism in nasopharyngeal carcinoma (NPC). Methods: Fifty-four NPC tissues, 16 normal nasopharyngeal epithelia (NNE), 5 NPC cell lines (CNE1, CNE2, TWO3, HNE1 and HONE1) and 1 normal nasopharyngeal epithelial cell line (NP69) were collected.Methylation-specific PCR (MSP) was used to detect the PMS2 promoter methylation, semi-quantitative reverse transcription PCR (qRT-PCR) was applied to determine its mRNA expression, and immunohistochemistry (IHC) was used to detect the protein expression of PMS2...
November 23, 2016: Zhonghua Zhong Liu za Zhi [Chinese Journal of Oncology]
https://www.readbyqxmd.com/read/27994181/high-cpg-island-methylation-of-p16-gene-and-loss-of-p16-protein-expression-associate-with-the-development-and-progression-of-tetralogy-of-fallot
#20
Si-Ju Gao, Gui-Fang Zhang, Rong-Peng Zhang
We examined CpG island methylation in p16 gene and its effect on p16 protein expression in tetralogy of Fallot (ToF) patients to explore its potential implications in the development and progression of ToF. The study subjects consisted of 75 healthy controls and 63 ToF patients recruited at Linyi People's Hospital between January 2012 and June 2014. The 4 mL of peripheral venous blood of each subject was obtained and saved in ethylene diamine tetraacetic acid (EDTA) tubes. Methylation-specific polymerase chain reaction (MSP) was employed to detect CpG island methylation in p16 promoter region andWestern blotting was used to detect p16 expression of all subjects...
December 2016: Journal of Genetics
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