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https://www.readbyqxmd.com/read/28101219/n-terminal-truncated-carboxypeptidase-e-expression-is-associated-with-poor-prognosis-of-lung-adenocarcinoma
#1
Jing Sun, Dawei Meng, Li Li, Xin Tian, Yunji Jia, Hongyue Wang, Huihui Yu, Tiemin Sun, Aibing Qu, Hui Shen, Jimin Bao, Guirong Zhang
Lung cancer is a malignant tumor with high morbidity and mortality rates. To date, no suitable molecular diagnostic tool to predict disease recurrence and metastasis has been identified. The current study aimed to evaluate the potential of N-terminal truncated carboxypeptidase E (CPEΔN) to predict the recurrence and metastasis of lung adenocarcinoma. Western blotting revealed the co-expression of CPE and CPEΔN in the surgically collected pathological and pericarcinoma tissues tissues of 62.1% (59/95) lung adenocarcinoma patients...
December 2016: Oncology Letters
https://www.readbyqxmd.com/read/28097494/establishment-and-characterization-of-a-heart-derived-cell-line-from-goldfish-carassius-auratus
#2
Hongli Jing, Xiangmei Lin, Lipu Xu, Longying Gao, Min Zhang, Na Wang, Shaoqiang Wu
The goldfish Carassius auratus, a freshwater fish in the family Cyprinidae, was one of the earliest fish to be domesticated for ornamental purposes. A cell line was established from goldfish heart (GH) tissue to create a biological monitoring tool for viral diseases. The GH cell line was optimally maintained at 25 °C in M199 medium supplemented with 10-20% fetal bovine serum. A chromosomal analysis indicated that the cell line remained diploid, with a mean chromosomal count of 100. In viral inoculation assays, significant cytopathic effects (CPEs) were caused by epizootic hematopoietic necrosis virus (EHNV), Andrias davidianus iridovirus (ADIV), and Bohle iridovirus (BIV) infections in the fish cells and the viral titers (average value) of EHNV, ADIV, and BIV in GH cells reached 10(5...
January 18, 2017: Fish Physiology and Biochemistry
https://www.readbyqxmd.com/read/28095794/development-of-an-algorithm-for-phenotypic-screening-of-carbapenemase-producing-enterobacteriaceae-in-the-routine-laboratory
#3
Jérôme Robert, Alix Pantel, Audrey Merens, Elodie Meiller, Jean-Philippe Lavigne, Marie-Hélène Nicolas-Chanoine
BACKGROUND: Carbapenemase-producing Enterobacteriaceae (CPE) are difficult to identify among carbapenem non-susceptible Enterobacteriaceae (NSE). We designed phenotypic strategies giving priority to high sensitivity for screening putative CPE before further testing. METHODS: Presence of carbapenemase-encoding genes in ertapenem NSE (MIC > 0.5 mg/l) consecutively isolated in 80 French laboratories between November 2011 and April 2012 was determined by the Check-MDR-CT103 array method...
January 17, 2017: BMC Infectious Diseases
https://www.readbyqxmd.com/read/28092655/circadian-and-upr-dependent-control-of-cpeb4-mediates-a-translational-response-to-counteract-hepatic-steatosis-under-er-stress
#4
Carlos Maillo, Judit Martín, David Sebastián, Maribel Hernández-Alvarez, Mar García-Rocha, Oscar Reina, Antonio Zorzano, Mercedes Fernandez, Raúl Méndez
The cytoplasmic polyadenylation element-binding (CPEB) proteins regulate pre-mRNA processing and translation of CPE-containing mRNAs in early embryonic development and synaptic activity. However, specific functions in adult organisms are poorly understood. Here we show that CPEB4 is required for adaptation to high-fat-diet- and ageing-induced endoplasmic reticulum (ER) stress, and subsequent hepatosteatosis. Stress-activated liver CPEB4 expression is dual-mode regulated. First, Cpeb4 mRNA transcription is controlled by the circadian clock, and then its translation is regulated by the unfolded protein response (UPR) through upstream open reading frames within the 5'UTR...
January 16, 2017: Nature Cell Biology
https://www.readbyqxmd.com/read/28092604/replication-kinetics-of-neuropathogenic-and-non-neuropathogenic-equine-herpesvirus-type-1-ehv-1-strains-in-primary-murine-neurons-and-ed-cell-line
#5
J Cymerys, A Słońska, J Brzezicka, A Tucholska, A Chmielewska, J Rola, P Malik, M W Bańbura
Equine herpesvirus type 1 (EHV-1) causes respiratory infections, abortion and neurological disorders in horses. Molecular epidemiology studies have demonstrated that a single-point mutation in DNA polymerase gene, resulting in an amino acid variation (N752/D752), is significantly associated with the neuropathogenic potential of EHV-1 strains. The aim of the study was to elucidate if there are any differences between neuropathogenic (EHV-1 26) and non-neuropathogenic (Jan-E and Rac-H) EHV-1 strains in their ability to infect neuronal cells...
December 1, 2016: Polish Journal of Veterinary Sciences
https://www.readbyqxmd.com/read/28083031/outcome-after-surgical-repair-of-partial-anomalous-pulmonary-venous-connection
#6
Tariq Waqar, Zubair Ahmad Ansari, Mirza Ahmad Raza Baig
OBJECTIVE: To review the operative results of 55 cases of partial anomalous pulmonary venous connection (PAPVC). METHODS: This retrospective case series of 55 cases of PAPVC operated from January 2011 to June 2016 at CPE Institute of cardiology, Multan. Baseline characteristics of patients, their operative findings and results were retrieved from the hospital record. RESULTS: Operation for PAPVC was performed in 55 patients. Patient's age varied from 3-28 years (mean 12...
November 2016: Pakistan Journal of Medical Sciences Quarterly
https://www.readbyqxmd.com/read/28082164/a-neutralization-assay-with-a-severe-fever-with-thrombocytopenia-syndrome-virus-strain-that-makes-plaques-in-inoculated-cells
#7
Satoshi Taniguchi, Aiko Fukuma, Hideki Tani, Shuetsu Fukushi, Masayuki Saijo, Masayuki Shimojima
Severe fever with thrombocytopenia syndrome (SFTS) is a recently-discovered, potentially fatal infectious disease caused by SFTS virus (SFTSV). Due to the inability of SFTSV to make clear cytopathic effects (CPE) in cell culture, titration and neutralization assays of the virus require immunostaining of inoculated cells; consequently, the assays are time-consuming and expensive. In this report, we demonstrate the use of a highly-passaged SFTSV strain, p50-2, in a neutralization assay, which made clear plaques in inoculated Vero cells under neutral red staining...
January 9, 2017: Journal of Virological Methods
https://www.readbyqxmd.com/read/28081706/berberine-inhibits-enterovirus-71-replication-by-downregulating-the-mek-erk-signaling-pathway-and-autophagy
#8
Huiqiang Wang, Ke Li, Linlin Ma, Shuo Wu, Jin Hu, Haiyan Yan, Jiandong Jiang, Yuhuan Li
BACKGROUND: The MEK-ERK signaling pathway and autophagy play an important role for enterovirus71(EV71) replication. Inhibition of MEK-ERK signaling pathway and autophagy is shown to impair EV71 replication. Berberine (BBR), an isoquinoline alkaloid isolated from Berberis vulgaris L., has been reported to have ability to regulate this signaling pathway and autophagy. Herein, we want to determine whether berberine can inhibit EV71 infection by downregulating the MEK/ERK signaling pathway and autophagy...
January 11, 2017: Virology Journal
https://www.readbyqxmd.com/read/28078557/cost-effectiveness-analysis-of-universal-screening-for-carbapenemase-producing-enterobacteriaceae-in-hospital-inpatients
#9
L Lapointe-Shaw, T Voruganti, P Kohler, H-H Thein, B Sander, A McGeer
The purpose of this study was to assess the cost-effectiveness of screening all hospital inpatients for carbapenemase-producing Enterobacteriaceae (CPE) at the time of hospital admission, compared to not screening, from a US hospital perspective. We used a linked transmission/Markov model to compare outcomes for a typical hospitalized medical patient, from a community with a colonization prevalence of 0.05%. Outcomes were number of colonized patients, CPE-related clinical infections and deaths, expected quality-adjusted life years (QALYs), cost, and the incremental cost-effectiveness ratio (ICER)...
January 11, 2017: European Journal of Clinical Microbiology & Infectious Diseases
https://www.readbyqxmd.com/read/28077701/a-comparison-of-eleven-phenotypic-assays-for-the-accurate-detection-of-carbapenemase-producing-enterobacteriaceae
#10
Pranita D Tamma, Belita N A Opene, Andrew Gluck, Krizia K Chambers, Karen C Carroll, Patricia J Simner
BACKGROUND: Early identification of carbapenemase-producing Enterobacteriaceae (CPE) is essential to prevent their dissemination within healthcare settings. Our objective was to evaluate the accuracy of 11 phenotypic assays for the detection of CPE. METHODS: Two collections of carbapenem-resistant Enterobacteriaceae (CRE) isolates were evaluated including 191 retrospective isolates (122 CP-CRE and 69 non-CP isolates) as well as 45 prospective clinical isolates (15 CP-CRE and 30 non-CP-CRE) obtained over a 3-month period...
January 11, 2017: Journal of Clinical Microbiology
https://www.readbyqxmd.com/read/28073969/characterization-of-carbapenemase-producing-enterobacteriaceae-in-the-west-midlands-region-of-england-2007-14
#11
Jacqueline Findlay, Katie L Hopkins, Adela Alvarez-Buylla, Daniéle Meunier, Nazim Mustafa, Robert Hill, Rachel Pike, Li-Xu McCrae, Peter M Hawkey, Neil Woodford
OBJECTIVES: Carbapenemase-producing Enterobacteriaceae (CPE) have been increasingly reported in the UK since 2003. We analysed patient and isolate data for CPE confirmed by the national reference laboratory from laboratories in the West Midlands region from November 2007 to December 2014. METHODS: MICs were determined by BSAC agar dilution methodology and isolates exhibiting resistance to one or more carbapenems were screened for carbapenemase genes by PCR. Plasmid analyses were performed after electro-transformation of carbapenemase-encoding plasmids...
January 10, 2017: Journal of Antimicrobial Chemotherapy
https://www.readbyqxmd.com/read/28062388/netf-producing-clostridium-perfringens-clonality-and-plasmid-pathogenicity-loci-analysis
#12
Iman Mehdizadeh Gohari, Andrew M Kropinski, Scott J Weese, Ashley E Whitehead, Valeria R Parreira, Patrick Boerlin, John F Prescott
Clostridium perfringens is an important cause of foal necrotizing enteritis and canine acute hemorrhagic diarrhea. A major virulence determinant of the strains associated with these diseases appears to be a beta-sheet pore-forming toxin, NetF, encoded within a pathogenicity locus (NetF locus) on a large tcp-conjugative plasmid. Strains producing NetF also produce the putative toxin NetE, encoded within the same pathogenicity locus, as well as CPE enterotoxin and CPB2 on a second plasmid, and sometimes the putative toxin NetG within a pathogenicity locus (NetG locus) on another separate large conjugative plasmid...
January 3, 2017: Infection, Genetics and Evolution
https://www.readbyqxmd.com/read/28053225/the-v-atpase-is-expressed-in-the-choroid-plexus-and-mediates-camp-induced-intracellular-ph-alterations
#13
Henriette L Christensen, Teodor G Păunescu, Vladimir Matchkov, Dagne Barbuskaite, Dennis Brown, Helle H Damkier, Jeppe Praetorius
The cerebrospinal fluid (CSF) pH influences brain interstitial pH and, therefore, brain function. We hypothesized that the choroid plexus epithelium (CPE) expresses the vacuolar H(+)-ATPase (V-ATPase) as an acid extrusion mechanism in the luminal membrane to counteract detrimental elevations in CSF pH. The expression of mRNA corresponding to several V-ATPase subunits was demonstrated by RT-PCR analysis of CPE cells (CPECs) isolated by fluorescence-activated cell sorting. Immunofluorescence and electron microscopy localized the V-ATPase primarily in intracellular vesicles with only a minor fraction in the luminal microvillus area...
January 2017: Physiological Reports
https://www.readbyqxmd.com/read/28052992/cody-promotes-sporulation-and-enterotoxin-production-by-clostridium-perfringens-type-a-strain-sm101
#14
Jihong Li, John C Freedman, Daniel R Evans, Bruce A McClane
Clostridium perfringens type D strains cause enterotoxemia and enteritis in livestock via epsilon toxin production. In type D strain CN3718, CodY was previously shown to increase epsilon toxin production and repress sporulation. C. perfringens type A strains producing enterotoxin (CPE) cause human food poisoning and antibiotic-associated diarrhea. Sporulation is critical for C. perfringens type A food poisoning since spores contribute to transmission and resistance in the harsh food environment and sporulation is essential for CPE production...
January 4, 2017: Infection and Immunity
https://www.readbyqxmd.com/read/28051352/antisense-oligonucleotides-targeting-raf-1-block-japanese-encephalitis-virus-in-vitro-and-in-vivo
#15
Li Zhang, Qingjun Li, Xiaoran Ding, Bo Zhang, Qiling Zhang, Xinyan Qu, Yujia Huo, Jing Yang, Shengqi Wang
Japanese encephalitis virus (JEV) infections represent a major health concern in Southeast Asia since no effective treatments are available. Recently, several reports have demonstrated that inhibition of certain host cell proteins prevents viral infection. Raf-1 kinase is a central component of many signaling pathways involved in normal cell growth and oncogenic transformation, and Ras/Raf/ERK signaling activation has been observed during viral infections (including JEV infection). In this study, Raf-1 was confirmed to be upregulated by JEV infection, which suggested that Raf-1 might be important for JEV infection and might be a target for novel anti-JEV drugs...
January 4, 2017: Nucleic Acid Therapeutics
https://www.readbyqxmd.com/read/28047206/tu-h-campus-tep2-04-measurement-of-stereotactic-output-factors-with-dna-double-strand-breaks
#16
K Cline, M Obeidat, S Stathakis, C Kabat, M Markovic, N Papanikolaou, K Rasmussen, A Gutierrez, C Ha, S Lee, E Shim, N Kirby
PURPOSE: Radiotherapy treatment is specified by radiation dose prescriptions, but biological DNA damage actually controls treatment effectiveness. It is impractical to directly measure dose in the clinic, so we measure quantities, such as collected charge, and calculate the relationship to dose. At small fields, such as those in stereotactic radiosurgery (SRS), charged-particle equilibrium (CPE) breaks down and the accuracy of the measurement for delivered dose decreases. By measuring DNA double-strand breaks (DSB) directly, we believe treatment accuracy could improve by providing a more meaningful measurement...
June 2016: Medical Physics
https://www.readbyqxmd.com/read/28040515/cytotoxicity-and-antiviral-activity-of-electrochemical-synthesized-silver-nanoparticles-against-poliovirus
#17
Tran Quang Huy, Nguyen Thi Hien Thanh, Nguyen Thanh Thuy, Pham Van Chung, Pham Ngoc Hung, Anh-Tuan Le, Nguyen Thi Hong Hanh
Silver nanoparticles (AgNPs) have been proven to have noticeable cytotoxicity in vitro and antiviral activity against some types of enveloped viruses. This paper presents the cytotoxicity and antiviral activity of pure AgNPs synthesized by the electrochemical method, towards cell culture and poliovirus (a non-enveloped virus). Prepared AgNPs were characterized by ultraviolet-visible spectroscopy, energy-dispersive X-ray spectroscopy and transmission electron microscopy. Before incubation with poliovirus, different concentrations of AgNPs were added to human rhabdomyosarcoma (RD) cell monolayers seeded in 96 well plates for testing their cytotoxicity...
December 28, 2016: Journal of Virological Methods
https://www.readbyqxmd.com/read/28031608/introducing-objective-structured-practical-examination-as-a-method-of-learning-and-evaluation-for-undergraduate-pharmacology
#18
Kirti Vishwakarma, Mukesh Sharma, Prithpal Singh Matreja, Vishal Prakash Giri
OBJECTIVE: Assessment method can influence student learning. Use of objective structured practical examination (OSPE) has been reported in various institutes with great benefits. We evaluated OSPE for the assessment of practical skills in pharmacology examination for undergraduate medical students and compared it with conventional practical examination (CPE). MATERIALS AND METHODS: After sensitizing the 2(nd) year MBBS students to OSPE, the students were divided into four batches with twenty students in each batch...
October 2016: Indian Journal of Pharmacology
https://www.readbyqxmd.com/read/28024598/design-and-characterization-of-3d-hybrid-collagen-matrixes-as-a-dermal-substitute-in-skin-tissue-engineering
#19
Giriprasath Ramanathan, Sivakumar Singaravelu, Thangavelu Muthukumar, Sitalakshmi Thyagarajan, Paramasivan Thirumalai Perumal, Uma Tiruchirapalli Sivagnanam
The highly interconnected porous dressing material was fabricated with the utilization of novel collagen (COL-SPG) for the efficient healing of the wound. Herein, we report the fabrication of 3D collagen impregnated with bioactive extract (COL-SPG-CPE) to get rid of infection at the wound site. The resultant 3D collagen matrix was characterized physiochemically using Fourier transform infrared spectroscopy (FTIR), scanning electron microscopy (SEM) and mechanical property. The dressing substrate possesses the high swelling ability, increase in the porosity, in vitro enzymatic degradability and antibacterial property...
March 1, 2017: Materials Science & Engineering. C, Materials for Biological Applications
https://www.readbyqxmd.com/read/28012997/infectious-hematopoietic-necrosis-virus-ihnv-outbreak-in-farmed-rainbow-trout-in-iran-viral-isolation-pathological-findings-molecular-confirmation-and-genetic-analysis
#20
Sohrab Ahmadivand, Mehdi Soltani, Karim Mardani, Sara Shokrpoor, Reza Hassanzadeh, Mehran Ahmadpoor, Hooman Rahmati-Holasoo, Saeid Meshkini
Infectious hematopoietic necrosis virus (IHNV) is the etiological agent of a contagious disease (IHN) mainly in salmonid fish. In the present study, we isolated and identified IHNV in trout fry from Iranian trout farms with unexplained high mortality in 2016. The affected fry showed cumulative mortality of 90% with the gross pathological signs including exophthalmia and hemorrhage of the eye, skin darkening, abdominal distension, ulceration of the snout, and the visceral pallor and yellowish fluid in the intestine...
February 2, 2017: Virus Research
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