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https://www.readbyqxmd.com/read/28103932/biomarkers-of-extracellular-matrix-turnover-are-associated-with-emphysema-and-eosinophilic-bronchitis-in-copd
#1
Asger Reinstrup Bihlet, Morten Asser Karsdal, Jannie Marie Bülow Sand, Diana Julie Leeming, Mustimbo Roberts, Wendy White, Russell Bowler
BACKGROUND: Chronic obstructive pulmonary disease (COPD) is characterized by airflow obstruction and loss of lung tissue mainly consisting of extracellular matrix (ECM). Three of the main ECM components are type I collagen, the main constituent in the interstitial matrix, type VI collagen, and elastin, the signature protein of the lungs. During pathological remodeling driven by inflammatory cells and proteases, fragments of these proteins are released into the bloodstream, where they may serve as biomarkers for disease phenotypes...
January 19, 2017: Respiratory Research
https://www.readbyqxmd.com/read/28101536/host-range-restriction-of-insect-specific-flaviviruses-occurs-at-several-levels-of-the-viral-life-cycle
#2
Sandra Junglen, Marvin Korries, Wolfgang Grasse, Janett Wieseler, Anne Kopp, Kyra Hermanns, Moises León-Juárez, Christian Drosten, Beate Mareike Kümmerer
The genus Flavivirus contains emerging arthropod-borne viruses (arboviruses) infecting vertebrates, as well as insect-specific viruses (ISVs) (i.e., viruses whose host range is restricted to insects). ISVs are evolutionary precursors to arboviruses. Knowledge of the nature of the ISV infection block in vertebrates could identify functions necessary for the expansion of the host range toward vertebrates. Mapping of host restrictions by complementation of ISV and arbovirus genome functions could generate knowledge critical to predicting arbovirus emergence...
January 2017: MSphere
https://www.readbyqxmd.com/read/28100385/-phylogenetic-analysis-of-envelope-gene-of-dengue-virus-serotype-2-in-guangzhou-2001-2015
#3
Y Liu, L Y Jiang, L Luo, Y M Cao, Q L Jing, Z C Yang
Objective: To investigate the molecular characteristics of dengue virus serotype 2 (DENV2) in Guangzhou during 2001-2015, and analyze the E gene of the strains isolated, the phylogenetic tree and molecular clock were constructed to know about the evolution of the strains. Methods: The serum samples of the patients were detected by real time PCR, and positive samples were used to isolate dengue virus by using C6/36 cells. The E gene of the isolated strains were sequenced. The phylogenetic tree was constructed by using software Mega 4...
January 10, 2017: Zhonghua Liu Xing Bing Xue za Zhi, Zhonghua Liuxingbingxue Zazhi
https://www.readbyqxmd.com/read/28095493/thoracic-temporal-subtraction-three-dimensional-computed-tomography-3d-ct-screening-for-vertebral-metastases-of-primary-lung-cancers
#4
Shingo Iwano, Rintaro Ito, Hiroyasu Umakoshi, Takatoshi Karino, Tsutomu Inoue, Yuanzhong Li, Shinji Naganawa
PURPOSE: We developed an original, computer-aided diagnosis (CAD) software that subtracts the initial thoracic vertebral three-dimensional computed tomography (3D-CT) image from the follow-up 3D-CT image. The aim of this study was to investigate the efficacy of this CAD software during screening for vertebral metastases on follow-up CT images of primary lung cancer patients. MATERIALS AND METHODS: The interpretation experiment included 30 sets of follow-up CT scans in primary lung cancer patients and was performed by two readers (readers A and B), who each had 2...
2017: PloS One
https://www.readbyqxmd.com/read/28024458/advanced-chronic-venous-insufficiency
#5
Anahita Dua, Jennifer A Heller
INTRODUCTION: Intervention for advanced chronic venous insufficiency is considered an appropriate standard of care. However, outcomes vary among patients who present in advanced clinical stages of disease. The main objectives of this study were to determine whether racial disparity exists at initial presentation and response to intervention. METHODS: A retrospective database was created to include all radiofrequency ablation procedures performed by a single surgeon from January 14, 2009, through May 25, 2011...
January 2017: Vascular and Endovascular Surgery
https://www.readbyqxmd.com/read/27936462/sinu-virus-a-novel-and-divergent-orthomyxovirus-related-to-members-of-the-genus-thogotovirus-isolated-from-mosquitoes-in-colombia
#6
María Angélica Contreras-Gutiérrez, Marcio R T Nunes, Hilda Guzman, Sandra Uribe, Juan Carlos Gallego Gómez, Juan David Suaza Vasco, Jedson F Cardoso, Vsevolod L Popov, Steven G Widen, Thomas G Wood, Nikos Vasilakis, Robert B Tesh
The genome and structural organization of a novel insect-specific orthomyxovirus, designated Sinu virus, is described. Sinu virus (SINUV) was isolated in cultures of C6/36 cells from a pool of mosquitoes collected in northwestern Colombia. The virus has six negative-sense ssRNA segments. Genetic analysis of each segment demonstrated the presence of six distinct ORFs encoding the following genes: PB2 (Segment 1), PB1, (Segment 2), PA protein (Segment 3), envelope GP gene (Segment 4), the NP (Segment 5), and M-like gene (Segment 6)...
January 15, 2017: Virology
https://www.readbyqxmd.com/read/27933454/improved-production-of-adipate-with-escherichia-coli-by-reversal-of-%C3%AE-oxidation
#7
Nicolai Kallscheuer, Jochem Gätgens, Marvin Lübcke, Jörg Pietruszka, Michael Bott, Tino Polen
The linear C6 dicarboxylic acid adipic acid is an important bulk chemical in the petrochemical industry as precursor of the polymer nylon-6,6-polyamide. In recent years, efforts were made towards the biotechnological production of adipate from renewable carbon sources using microbial cells. One strategy is to produce adipate via a reversed β-oxidation pathway. Hitherto, the adipate titers were very low due to limiting enzyme activities for this pathway. In most cases, the CoA intermediates are non-natural substrates for the tested enzymes and were therefore barely converted...
December 8, 2016: Applied Microbiology and Biotechnology
https://www.readbyqxmd.com/read/27911695/dengue-virus-isolation-in-mosquito-aedes-albopictus-captured-during-an-outbreak-in-tokyo-2014-by-a-method-relying-on-antibody-dependent-enhancement-mechanism-using-fc%C3%AE-r-expressing-bhk-cells
#8
Meng Ling Moi, Daisuke Kobayashi, Haruhiko Isawa, Toshinori Sasaki, Masayuki Saijo, Ichiro Kurane, Kyoko Sawabe, Tomohiko Takasaki
Dengue virus (DENV) isolation from mosquitoes is necessary for providing definitive evidence of virus circulation, and is critical for further virological characterization and determination of epidemiological characteristics. By using Aedes albopictus mosquitoes captured during an outbreak in Tokyo in 2014, we compared the DENV isolation rates of a conventional virus isolation method that uses C6/36 mosquito cells as assay cells with those of a virus isolation method that relies on an antibody-dependent enhancement (ADE) mechanism by using FcγR-expressing baby hamster kidney (BHK) cells and an antibody with ADE activity...
December 2016: Vector Borne and Zoonotic Diseases
https://www.readbyqxmd.com/read/27892796/using-a-divided-attention-stepping-accuracy-task-to-improve-balance-and-functional-outcomes-in-an-individual-with-incomplete-spinal-cord-injury-a-case-report
#9
Susan J Leach, Richard A Magill, Joyce R Maring
A spinal cord injury (SCI) frequently results in impaired balance, endurance, and strength with subsequent limitations in functional mobility and community participation. The purpose of this case report was to implement a training program for an individual with a chronic incomplete SCI using a novel divided-attention stepping accuracy task (DASAT) to determine if improvements could be made in impairments, activities, and participation. The client was a 51-year-old male with a motor incomplete C4 SCI sustained 4 years prior...
January 2017: Physiotherapy Theory and Practice
https://www.readbyqxmd.com/read/27863275/cytoarchitecture-of-zika-virus-infection-in-human-neuroblastoma-and-aedes-albopictus-cell-lines
#10
Danielle K Offerdahl, David W Dorward, Bryan T Hansen, Marshall E Bloom
The Zika virus (ZIKV) pandemic is a global concern due to its role in the development of congenital anomalies of the central nervous system. This mosquito-borne flavivirus alternates between mammalian and mosquito hosts, but information about the biogenesis of ZIKV is limited. Using a human neuroblastoma cell line (SK-N-SH) and an Aedes albopictus mosquito cell line (C6/36), we characterized ZIKV infection by immunofluorescence, transmission electron microscopy (TEM), and electron tomography (ET) to better understand infection in these disparate host cells...
January 15, 2017: Virology
https://www.readbyqxmd.com/read/27843681/successful-surgical-strategy-for-a-cervical-hemangioblastoma-case-report
#11
Hideaki Imai, Kazuhiko Ishii, Hirotaka Chikuda, Junichi Ohya, Daichi Nakagawa, Tomomasa Kondo, Seiji Nomura, Masanori Yoshino, Satoru Miyawaki, Taichi Kin, Hirofumi Nakatomi, Nobuhito Saito
BACKGROUND: Hemangioblastomas are hypervascular lesions and hence their surgical management is challenging. In particular, if complete resection is to be attained, all feeding and draining vessels must be occluded. Although most intramedullary spinal cord tumors are treated utilizing a posterior approach, we describe an anterior surgical strategy for resection of an intramedullary cervical hemangioblastoma. CASE DESCRIPTION: A 36-year-old female with a spinal hemangioblastoma located in the anterior cervical spinal cord presented with a long-standing history of motor weakness of the right upper extremity...
2016: Surgical Neurology International
https://www.readbyqxmd.com/read/27793242/spinal-injection-of-local-anesthetic-during-cervical-facet-joint-injection
#12
Juan A Ramos
INTRODUCTION: Facet joint pain is a common source of non-radicular back pain worldwide. Non-surgical interventional modalities remain the mainstay in the treatment of facetogenic back pain and comprise the second most commonly performed interventional pain procedures in the USA. CASE: A 36 year-old man with chronic cervical pain secondary to C6-C7 facet arthrosis radiographically, underwent diagnostic local anesthetic bilateral facet joint injection under fluoroscopic guidance...
November 2016: Brazilian Journal of Anesthesiology
https://www.readbyqxmd.com/read/27714299/characterisation-of-6-dmatsmo-from-micromonospora-olivasterospora-leading-to-identification-of-the-divergence-in-enantioselectivity-regioselectivity-and-multiple-prenylation-of-tryptophan-prenyltransferases
#13
Julia Winkelblech, Xiulan Xie, Shu-Ming Li
Prenylated secondary metabolites including indole derivatives usually demonstrate improved biological and pharmacological activities, which make them promising candidates for drug discovery and development. The transfer reactions of a prenyl moiety from a prenyl donor, e.g. dimethylallyl diphosphate (DMAPP), to an acceptor is catalysed by prenyltransferases. One special group of such enzymes uses DMAPP and tryptophan as substrates with dimethylallyltryptophans as reaction products and functions therefore as dimethylallyltryptophan synthases (DMATSs)...
October 18, 2016: Organic & Biomolecular Chemistry
https://www.readbyqxmd.com/read/27671777/bustos-virus-a-new-member-of-the-negevirus-group-isolated-from-a-mansonia-mosquito-in-the-philippines
#14
Ryosuke Fujita, Ryusei Kuwata, Daisuke Kobayashi, Arlene Garcia Bertuso, Haruhiko Isawa, Kyoko Sawabe
We isolated two distinct viruses from mosquitoes collected in Bustos, Bulacan province, Philippines, in 2009. These viruses show rapid replication and strong cytopathic effects in mosquito C6/36 cells. Whole-genome analysis of these viruses demonstrated that both viruses belong to the negevirus group. One of the viruses, from Culex vishunui mosquitoes, is a new strain of Negev virus. The other virus, from a Mansonia sp. mosquito, is a new negevirus designated Bustos virus. Gene expression analysis of the Bustos virus revealed that infected cells contain viral subgenomic RNAs that probably include open reading frame (ORF) 2 or ORF3...
September 26, 2016: Archives of Virology
https://www.readbyqxmd.com/read/27639082/exenatide-improves-both-hepatic-and-adipose-tissue-insulin-resistance-a-dynamic-pet-study
#15
Amalia Gastaldelli, Melania Gaggini, Giuseppe Daniele, Demetrio Ciociaro, Eugenio Cersosimo, Devjit Tripathy, Curtis Triplitt, Peter Fox, Nicolas Musi, Ralph DeFronzo, Patricia Iozzo
: GLP-1 receptor agonists (GLP-1-RAs) act on multiple tissues, in addition to the pancreas. Recent studies suggest that GLP-1-RAs act on liver and adipose tissue to reduce insulin resistance (IR). Thus, we evaluated the acute effects of exenatide (EX) on hepatic (Hep-IR) and adipose (Adipo-IR) insulin resistance and glucose uptake. 15 male subjects (age=56±8 y, BMI=29±1 kg/m(2) , A1c=5.7±0.1%) were studied on two occasions, with a double blind subcutaneous injection of exenatide (5 mcg) or placebo (PLC) 30 min before a 75-gram oral glucose tolerance test (OGTT)...
September 17, 2016: Hepatology: Official Journal of the American Association for the Study of Liver Diseases
https://www.readbyqxmd.com/read/27604771/anabolic-sensitivity-of-postprandial-muscle-protein-synthesis-to-the-ingestion-of-a-protein-dense-food-is-reduced-in-overweight-and-obese-young-adults
#16
Joseph W Beals, Richard A Sukiennik, Julian Nallabelli, Russell S Emmons, Stephan van Vliet, Justin R Young, Alexander V Ulanov, Zhong Li, Scott A Paluska, Michael De Lisio, Nicholas A Burd
BACKGROUND: Excess body fat diminishes muscle protein synthesis rates in response to hyperinsulinemic-hyperaminoacidemic clamps. However, muscle protein synthetic responses after the ingestion of a protein-dense food source across a range of body mass indexes (BMIs) have not been compared. OBJECTIVE: We compared the myofibrillar protein synthetic response and underlying nutrient-sensing mechanisms after the ingestion of lean pork between obese, overweight, and healthy-weight adults...
October 2016: American Journal of Clinical Nutrition
https://www.readbyqxmd.com/read/27581122/ultrastructure-of-zika-virus-particles-in-cell-cultures
#17
Debora Ferreira Barreto-Vieira, Ortrud Monika Barth, Marcos Alexandre Nunes da Silva, Carolina Cardoso Santos, Aline da Silva Santos, Joaquim Batista F, Ana Maria Bispo de Filippis
Zika virus (ZIKV) has infected thousands of Brazilian people and spread to other American countries since 2015. The introduction of ZIKV brought a strong impact to public health in Brazil. It is of utmost importance to identify a susceptible cell line that will enable the isolation and identification of the virus from patient samples, viral mass production, and testing of drug and vaccine candidates. Besides real-time reverse transcriptase polymerase chain reaction diagnosis for detecting the viral genome, virus isolation in cell lines was useful in order to study the structure of the viral particle and its behaviour inside cells...
August 2016: Memórias do Instituto Oswaldo Cruz
https://www.readbyqxmd.com/read/27555485/optimal-cervical-screw-insertion-angle-determined-by-means-of-computed-tomography-scans-pre-and-postoperatively
#18
Masashi Uehara, Jun Takahashi, Shota Ikegami, Hiroyuki Hashidate, Shugo Kuraishi, Masayuki Shimizu, Toshimasa Futatsugi, Hiroki Oba, Keijiro Mukaiyama, Nobuhide Ogihara, Hiroki Hirabayashi, Hiroyuki Kato
BACKGROUND CONTEXT: Cervical pedicle screw (CPS) insertion is technically demanding and carries a risk of serious neurovascular complications when screws perforate. To avoid such serious risks, we currently perform CPS insertion using a computed tomography (CT)-guided navigation system. However, there remains a low probability of screw perforation during CPS insertion that is affected by factors such as CPS insertion angle and anatomical pedicle transverse angle (PTA). PURPOSE: This study aimed to understand the perforation tendencies of CPS insertion angles in relation to anatomical PTA...
August 20, 2016: Spine Journal: Official Journal of the North American Spine Society
https://www.readbyqxmd.com/read/27514512/impact-of-dengue-virus-denv-co-infection-on-clinical-manifestations-disease-severity-and-laboratory-parameters
#19
Amreeta Dhanoa, Sharifah Syed Hassan, Chin Fang Ngim, Chun Fatt Lau, Teik Seng Chan, Nur Amelia Azreen Adnan, Wilhelm Wei Han Eng, Han Ming Gan, Ganeswrie Rajasekaram
BACKGROUND: The co-circulation of 4 DENV serotypes in geographically expanding area, has resulted in increasing occurrence of DENV co-infections. However, studies assessing the clinical impact of DENV co-infections have been scarce and have involved small number of patients. This study explores the impact of DENV co-infection on clinical manifestations and laboratory parameters. METHODS: This retrospective study involved consecutive hospitalized patients with non-structural protein 1 (NS1) antigen positivity during an outbreak (Jan to April 2014)...
August 11, 2016: BMC Infectious Diseases
https://www.readbyqxmd.com/read/27502418/identification-of-aacasps7-an-effector-caspase-in-aedes-albopictus
#20
Lingyan Feng, Hao Liu, Xiaomei Li, Jialu Qiao, Shengya Wang, Deyin Guo, Qingzhen Liu
Aedes albopictus mosquito is a vector of various arboviruses and is becoming a significant threat to public health due to its rapid global expansion. Several reports suggest that apoptosis could be a factor limiting arbovirus infection in mosquitoes. Thus, it is significant to identify apoptosis pathway and study the correlation between apoptosis and virus infection in mosquitoes. Apoptosis is a type of programmed cell death that plays a vital role in immunity, development, and tissue homeostasis. Caspases are a family of conserved proteases playing important roles in apoptosis...
November 15, 2016: Gene
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