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https://www.readbyqxmd.com/read/29228501/hcv-clearance-by-direct-acting-antiviral-treatments-reverses-insulin-resistance-in-chronic-hepatitis-c-patients
#1
Luigi E Adinolfi, Riccardo Nevola, Barbara Guerrera, Giovanni D'Alterio, Aldo Marrone, Mauro Giordano, Luca Rinaldi
BACKGROUND AND AIM: Chronic hepatitis C (HCV), particularly genotype 1, is associated with insulin resistance (IR) and diabetes. We evaluated the impact of HCV clearance by all-oral direct-acting antiviral (DAAs) treatments on IR and glycemic control. METHODS: Included in this prospective case-control study were 133 consecutive HCV-genotype 1 patients with advance liver fibrosis (F3-F4) without type 2 diabetes. Sixty-eight treated with DAAs and 65 untreated. Liver fibrosis was assessed by transient elastography...
December 11, 2017: Journal of Gastroenterology and Hepatology
https://www.readbyqxmd.com/read/29228469/simultaneous-determination-of-etonogestrel-and-ethinyl-estradiol-in-human-plasma-by-uplc-ms-ms-and-its-pharmacokinetic-study
#2
Sneha G Nair, Daxesh P Patel, Frank J Gonzalez, Bhargav M Patel, Puran Singhal, Darshan V Chaudhary
A selective, sensitive and rapid ultra-performance liquid chromatography tandem mass spectrometry method was developed and validated for the simultaneous determination of etonogestrel (ENG) and ethinyl estradiol (EE) in human plasma. The analytes and their deuterated internal standard, ENG-d7 and EE-d4 were extracted from plasma samples by solid phase extraction on HyperSep™ Retain PEP Cartridges. The chromatographic analysis was performed on ACQUITY UPLC HSS Cyano column, 100 A° (50 mm × 2.1 mm, 1.8 μm) column using gradient mobile phase, acetonitrile and 2...
December 11, 2017: Biomedical Chromatography: BMC
https://www.readbyqxmd.com/read/29228468/characterization-of-forsythoside-a-metabolites-in-rats-by-a-combination-of-uhplc-ltq-orbitrap-mass-spectrometer-with-multiple-data-processing-techniques
#3
Fei Wang, Guang-Shang Cao, Yun Li, Lu-Lu Xu, Zhi-Bin Wang, Ying Liu, Jian-Qiu Lu, Jia-Yu Zhang
Forsythoside A (FTA), the main active constituent isolated from Fructus Forsythiae, has various biological functions including anti-oxidant, anti-viral and anti-microbial activities. However, while researches on FTA have been mainly focused on the treatment of diseases on material basis, FTA metabolites in vivo have not been comprehensively evaluated. Here, a rapid and sensitive method using UHPLC-LTQ-Orbitrap mass spectrometer with multiple data processing techniques including high-resolution extracted ion chromatograms (HREICs), multiple mass defect filters (MMDFs) and diagnostic product ions (DPIs) was developed for screening and identification of FTA metabolites in rats...
December 11, 2017: Biomedical Chromatography: BMC
https://www.readbyqxmd.com/read/29228450/mir-21-enhanced-glioma-cells-resistance-to-carmustine-via-decreasing-spry2-expression
#4
G-B Wang, J-H Liu, J Hu, K Xue
OBJECTIVE: Gliomas are accompanied with high mortality owning to their invasive peculiarity and vulnerability to drug resistance. miR-21 is a vital oncogenic miRNA that regulates drug resistance of tumor cells. This study aims to elucidate the function of miR-21 in human glioma cells resistant to carmustine (BCNU) and to demonstrate the underlying molecular mechanism. MATERIALS AND METHODS: BCNU-sensitive cells (SWOZ2 cells) were transfected with miR-21 agomir and negative control, and BCNU-resistance cells (SWOZ2-BCNU cells) were transfected with miR-21 antagomir and negative control...
November 2017: European Review for Medical and Pharmacological Sciences
https://www.readbyqxmd.com/read/29228449/igfbp2-induces-spry1-expression-via-nf-%C3%AE%C2%BAb-signaling-pathway-in-glioblastoma-multiforme-gbm
#5
Z-S Yuan, Y Cao, Z-Y Li
OBJECTIVE: Gliomas are accompanied with high mortality owning to their invasive peculiarity and vulnerability to drug resistance. miR-21 is a vital oncogenic miRNA that regulates drug resistance of tumor cells. This study aims to elucidate the function of miR-21 in human glioma cells resistant to carmustine (BCNU) and to demonstrate the underlying molecular mechanism. MATERIALS AND METHODS: BCNU-sensitive cells (SWOZ2 cells) were transfected with miR-21 agomir and negative control, and BCNU-resistance cells (SWOZ2-BCNU cells) were transfected with miR-21 antagomir and negative control...
November 2017: European Review for Medical and Pharmacological Sciences
https://www.readbyqxmd.com/read/29228429/peripheral-blood-cd8-t-cell-profiles-in-patients-with-psoriatic-arthritis-a-cross-sectional-case-control-study
#6
E Colombo, G Galleri, G L Erre, C Piras, G Biondi, L Taras, A Zinellu, A A Mangoni, R Manetti, M Montesu, G Passiu
OBJECTIVE: While CD4+ T-cells are traditionally regarded as the main pathogenic T-cell subpopulation in psoriatic arthritis (PsA), the role of circulating CD8+ T-cells remains poorly characterized. We evaluated the differential representation of CD8+ T-cell subpopulations in peripheral blood (PB) of PsA patients. PATIENTS AND METHODS: CD8+IL-17+, CD8+IFNγ+ and CD8+IL-17-IL-22+ T-cells were evaluated by flow-cytometry in 25 consecutive PsA patients, 7 rheumatoid arthritis (RA) patients, 16 patients with psoriasis, and 26 healthy controls (HC)...
November 2017: European Review for Medical and Pharmacological Sciences
https://www.readbyqxmd.com/read/29228411/management-of-breast-cancer-in-adjuvant-chemotherapy-settings-in-the-kanagawa-breast-oncology-group
#7
Mayako Terao, Naoki Niikura, Yasuhiro Suzuki, Norihiko Sengoku, Hitoshi Arioka, Takashi Ishikawa, Koichiro Tsugawa, Yutaka Tokuda
OBJECTIVE: Many different options for adjuvant chemotherapy are recommended in guidelines for the treatment of breast cancer. Therapeutic strategies vary among physicians. The major goals for this project were to gain a better understanding of how biomarkers are integrated into practice and how physicians select adjuvant chemotherapy. METHODS: We assembled a questionnaire with 23 example scenarios of breast cancer cases, including 6 items relevant to postoperative adjuvant therapy...
December 20, 2017: Tokai Journal of Experimental and Clinical Medicine
https://www.readbyqxmd.com/read/29228372/a-novel-tomographic-imaging-probe-for-rapid-diagnosis-of-fungal-keratitis
#8
Min Hee Lee, Gregory Wiedman, Steven Park, Arkady Mustaev, Yanan Zhao, David S Perlin
Fungal keratitis is a leading cause of ocular morbidity and blindness in developing countries. Diagnosing fungal keratitis currently relies on a comparative evaluation of corneal biopsy or scraping using a direct microscopy and culture results. These methods not only carry the risk of developing complications due to the invasive tissue sampling but also are largely limited by diagnostic speed and accuracy, making it difficult to initiate timely appropriate antifungal therapy. Therefore, rapid and noninvasive diagnostic tools are a pressing need for improved outcomes for fungal keratitis...
December 8, 2017: Medical Mycology: Official Publication of the International Society for Human and Animal Mycology
https://www.readbyqxmd.com/read/29228360/dissecting-the-rootstock-control-of-scion-transpiration-using-model-assisted-analyses-in-grapevine
#9
Anthony Peccoux, Brian Loveys, Junqi Zhu, Gregory A Gambetta, Serge Delrot, Philippe Vivin, Hans R Schultz, Nathalie Ollat, Zhanwu Dai
How rootstocks contribute to the control of scion transpiration under drought is poorly understood. We investigated the role of root characteristics, hydraulic conductance and chemical signals (abscisic acid, ABA) in the response of stomatal conductance (gs) and transpiration (E) to drought in Cabernet Sauvignon (Vitis vinifera) grafted onto drought-sensitive (Vitis riparia) and drought-tolerant (Vitis berlandieri × Vitis rupestris 110R) rootstocks. All combinations showed a concomitant reduction in gs and E, and an increase in xylem sap ABA concentration during the drought cycle...
December 8, 2017: Tree Physiology
https://www.readbyqxmd.com/read/29228348/flaxseed-supplementation-on-glucose-control-and-insulin-sensitivity-a-systematic-review-and-meta-analysis-of-25-randomized-placebo-controlled-trials
#10
Mohsen Mohammadi-Sartang, Zahra Sohrabi, Reza Barati-Boldaji, Hamidreza Raeisi-Dehkordi, Zohreh Mazloom
Context: The results of human clinical trials investigating the effects of flaxseed on glucose control and insulin sensitivity are inconsistent. Objective: The present study aimed to systematically review and analyze randomized controlled trials assessing the effects of flaxseed consumption on glycemic control. Data Sources: PubMed, Medline via Ovid, SCOPUS, EMBASE, and ISI Web of Sciences databases were searched up to November 2016. Study Selection: Clinical trials in which flaxseed or its products were administered as an intervention were included...
December 8, 2017: Nutrition Reviews
https://www.readbyqxmd.com/read/29228323/evaluation-of-a-genus-specific-elisa-and-a-commercial-aspergillus-western-blot-igg%C3%A2-immunoblot-kit-for-the-diagnosis-of-aspergillosis-in-common-bottlenose-dolphins-tursiops-truncatus
#11
Guillaume Desoubeaux, Carolina Le-Bert, Vanessa Fravel, Tonya Clauss, Alexa J Delaune, Jeny Soto, Eric D Jensen, Jennifer E Flower, Randall Wells, Gregory D Bossart, Carolyn Cray
Aspergillosis is a fungal infection with high mortality and morbidity rates. As in humans, its definitive diagnosis is difficult in animals, and thus new laboratory tools are required to overcome the diagnostic limitations due to low specificity and lack of standardization. In this study of common bottlenose dolphins (Tursiops truncatus), we evaluated the diagnostic performance of a new commercial immunoblot kit that had been initially developed for the serologic diagnosis of chronic aspergillosis in humans...
December 8, 2017: Medical Mycology: Official Publication of the International Society for Human and Animal Mycology
https://www.readbyqxmd.com/read/29228313/transfusion-of-red-blood-cells-in-coronary-surgery-is-there-an-effect-on-long-term-mortality-when-adjusting-for-risk-factors-and-postoperative-complications
#12
Long Tran, Guri Greiff, Hilde Pleym, Alexander Wahba, Roar Stenseth, Vibeke Videm
OBJECTIVES: The aim of this study was to compare long-term mortality in patients undergoing primary isolated coronary artery bypass grafting who received ≥1 units of red blood cells (RBCs) or no RBCs. We hypothesized that a possible difference in long-term mortality was due to preoperative morbidity and/or postoperative morbidity. METHODS: This prospective cohort study, part of the Cardiac Surgery Outcome Study (CaSOS) at St. Olavs University Hospital, Trondheim, Norway, included patients operated on from 2000 through 2014 (n = 4014) and excluded those with large intra- or postoperative blood loss or 30-day mortality...
December 8, 2017: European Journal of Cardio-thoracic Surgery
https://www.readbyqxmd.com/read/29228297/density-dependence-landscape-and-weather-impacts-on-aquatic-aedes-japonicus-japonicus-diptera-culicidae-abundance-along-an-urban-altitudinal-gradient
#13
Luis Fernando Chaves, Kazuhiko Moji
The Asian Bush Mosquito, Aedes (Finlaya) japonicus japonicus (Theobald) is an important globally invasive mosquito species. In comparison with other major invasive mosquitoes, relatively little is known about Ae. j. japonicus population dynamics in the field. Here, we present results from a 54-biweek long study of Ae. j. japonicus abundance in ovitraps set across the altitudinal gradient of Mt. Konpira, Nagasaki, Japan. Spatially, we found that Ae. j. japonicus fourth instar larvae (Aj4il) were more abundant at the base and top of Mt...
December 8, 2017: Journal of Medical Entomology
https://www.readbyqxmd.com/read/29228265/complete-motif-analysis-of-sequence-requirements-for-translation-initiation-at-non-aug-start-codons
#14
Alexander J Diaz de Arce, William L Noderer, Clifford L Wang
The initiation of mRNA translation from start codons other than AUG was previously believed to be rare and of relatively low impact. More recently, evidence has suggested that as much as half of all translation initiation utilizes non-AUG start codons, codons that deviate from AUG by a single base. Furthermore, non-AUG start codons have been shown to be involved in regulation of expression and disease etiology. Yet the ability to gauge expression based on the sequence of a translation initiation site (start codon and its flanking bases) has been limited...
December 8, 2017: Nucleic Acids Research
https://www.readbyqxmd.com/read/29228249/autofluorescence-for-the-diagnosis-of-visceral-pleural-invasion-in-non-small-cell-lung-cancer
#15
Hiromitsu Takizawa, Kazuya Kondo, Naoya Kawakita, Mitsuhiro Tsuboi, Hiroaki Toba, Koichiro Kajiura, Yukikiyo Kawakami, Shoji Sakiyama, Akira Tangoku, Atsushi Morishita, Yasushi Nakagawa, Toshiyuki Hirose
OBJECTIVES: This study was conducted to evaluate the accuracy of autofluorescence as a mode of diagnosis for visceral pleural invasion of non-small-cell lung cancer compared with white-light by means of clinical questions to several thoracic surgeons. METHODS: Eight independent thoracic surgeons evaluated visceral pleural invasion in 25 cases of non-small-cell lung cancer attached to the visceral pleura on lung windows of preoperative computed tomography images...
December 8, 2017: European Journal of Cardio-thoracic Surgery
https://www.readbyqxmd.com/read/29228215/mitochondria-are-critical-for-bdnf-mediated-synaptic-and-vascular-plasticity-of-hippocampus-following-repeated-electroconvulsive-seizures
#16
Fenghua Chen, Maryam Ardalan, Betina Elfving, Gregers Wegener, Torsten M Madsen, Jens R Nyengaard
Background: Electroconvulsive therapy (ECT) is a fast acting and efficient treatment of depression used in the clinic. The underlying mechanism of its therapeutic effect is still unclear. However, recovery of synaptic connections and synaptic remodeling is thought to play a critical role for the clinical efficacy obtained from a rapid antidepressant response. Here, we investigated the relationship between, synaptic changes and concomitant non-neuronal changes in microvasculature and mitochondria, and it relationship to Brain-derived neurotrophic factor (BDNF) level changes after repeated electroconvulsive seizures (ECS), an animal model of ECT...
December 8, 2017: International Journal of Neuropsychopharmacology
https://www.readbyqxmd.com/read/29228208/advances-in-serodiagnostic-testing-for-lyme-disease-are-at-hand
#17
John A Branda, Barbara A Body, Jeff Boyle, Bernard M Branson, Raymond J Dattwyler, Erol Fikrig, Noel J Gerald, Maria Gomes-Solecki, Martin Kintrup, Michel Ledizet, Andrew E Levin, Michael Lewinski, Lance A Liotta, Adriana Marques, Paul S Mead, Emmanuel F Mongodin, Segaran Pillai, Prasad Rao, William H Robinson, Kristian M Roth, Martin E Schriefer, Thomas Slezak, Jessica Snyder, Allen C Steere, Jan Witkowski, Susan J Wong, Steven E Schutzer
The cause of Lyme disease, Borrelia burgdorferi, was discovered in 1983. A 2-tiered testing protocol was established for serodiagnosis in 1994, involving an enzyme immunoassay (EIA) or indirect fluorescence antibody, followed (if reactive) by immunoglobulin M and immunoglobulin G Western immunoblots. These assays were prepared from whole-cell cultured B. burgdorferi, lacking key in vivo expressed antigens and expressing antigens that can bind non-Borrelia antibodies. Additional drawbacks, particular to the Western immunoblot component, include low sensitivity in early infection, technical complexity, and subjective interpretation when scored by visual examination...
December 7, 2017: Clinical Infectious Diseases: An Official Publication of the Infectious Diseases Society of America
https://www.readbyqxmd.com/read/29228204/decreased-resting-state-interhemispheric-functional-connectivity-correlated-with-neurocognitive-deficits-in-drug-naive-first-episode-adolescent-onset-schizophrenia
#18
Yi Liu, Yan Zhang, Luxian Lv, Feihu Hu, Renrong Wu, Jingping Zhao, Wenbin Guo
Background: Given that adolescence is a critical epoch in the onset of schizophrenia, studying aberrant brain changes in adolescent-onset schizophrenia (AOS), particularly in patients with drug-naive first-episode schizophrenia, is important to understand the biological mechanism of this disorder. Previous resting-state functional magnetic resonance imaging (fMRI) studies have shown abnormal functional connectivity in separate hemispheres in patients with adult-onset schizophrenia. Our aim to study AOS can provide clues for the early aetiology of schizophrenia...
November 7, 2017: International Journal of Neuropsychopharmacology
https://www.readbyqxmd.com/read/29228192/quantitative-analysis-of-o2-and-fe2-profiles-in-gradient-tubes-for-cultivation-of-microaerophilic-iron-ii-oxidizing-bacteria
#19
U Lueder, G Druschel, D Emerson, A Kappler, C Schmidt
The classical approach for cultivation of neutrophilic microaerophilic Fe(II)-oxidizing bacteria are agar-based gradient tubes where these bacteria find optimal growth conditions in opposing gradients of oxygen (O2) and dissolved Fe(II) (Fe2+). The goals of this study were to quantify the temporal development of O2 and Fe2+ concentrations over time, to compare abiotic and microbially-inoculated tubes, and to test the suitability of different Fe(II)-sources for cultivation of freshwater and marine microaerophilic Fe(II)-oxidizers...
December 5, 2017: FEMS Microbiology Ecology
https://www.readbyqxmd.com/read/29228191/frogs-find-rapidly-otus-with-galaxy-solution
#20
Frédéric Escudié, Lucas Auer, Maria Bernard, Mahendra Mariadassou, Laurent Cauquil, Katia Vidal, Sarah Maman, Guillermina Hernandez-Raquet, Sylvie Combes, Géraldine Pascal
Motivation: Metagenomics leads to major advances in microbial ecology and biologists need user friendly tools to analyze their data on their own. Results: This Galaxy-supported pipeline, called FROGS, is designed to analyze large sets of amplicon sequences and produce abundance tables of Operational Taxonomic Units (OTUs) and their taxonomic affiliation. The clustering uses Swarm. The chimera removal uses VSEARCH, combined with original cross-sample validation. The taxonomic affiliation returns an innovative multi-affiliation output to highlight databases conflicts and uncertainties...
December 7, 2017: Bioinformatics
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