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https://www.readbyqxmd.com/read/28633480/a-prospective-examination-of-circulating-tumor-cell-profiles-in-non-small-cell-lung-cancer-molecular-subgroups
#1
C R Lindsay, V Faugeroux, S Michiels, E Pailler, F Facchinetti, D Ou, M V Bluthgen, C Pannet, M Ngo-Camus, G Bescher, C Caramella, F Billiot, J Remon, D Planchard, J-C Soria, B Besse, F Farace
Background: We report the first study examining the clinical, numerical and biological properties of circulating tumor cells (CTCs) according to molecular subtypes of non-small cell lung cancer (NSCLC). Patients and Methods: 125 patients with treatment-naïve stage IIIb-IV NSCLC were prospectively recruited for CellSearch analysis. Anti-vimentin antibody was included for examination of CTCs to assess their mesenchymal character. Associations of total CTCs and vimentin-positive (vim +) CTCs with clinical characteristics, tumor genotype and survival were assessed...
June 19, 2017: Annals of Oncology: Official Journal of the European Society for Medical Oncology
https://www.readbyqxmd.com/read/28630686/fecal-carriage-of-extended-spectrum-%C3%AE-lactamase-and-carbapenemase-producing-enterobacteriaceae-in-egyptian-patients-with-community-onset-gastrointestinal-complaints-a-hospital-based-cross-sectional-study
#2
H M Abdallah, N Alnaiemi, E A Reuland, B B Wintermans, A Koek, A M Abdelwahab, A Samy, K W Abdelsalam, C M J E Vandenbroucke-Grauls
OBJECTIVES: The aim of this study was to determine the prevalence of extended-spectrum β-lactamase (ESBL) and carbapenemase production among Enterobacteriaceae isolated from ambulatory patients with gastrointestinal complaints admitted to El-Ahrar General Hospital, Zagazig, Egypt in the period between January 2013 and May 2013. METHODS: One hundred and thirteen Enterobacteriaceae isolates were recovered from 100 consecutive Egyptian patients with community-onset gastrointestinal complaints...
2017: Antimicrobial Resistance and Infection Control
https://www.readbyqxmd.com/read/28630192/in-vitro-activity-of-aztreonam-avibactam-against-enterobacteriaceae-and-pseudomonas-aeruginosa-isolated-by-clinical-laboratories-in-40-countries-from-2012-to-2015
#3
James A Karlowsky, Krystyna M Kazmierczak, Boudewijn L M de Jonge, Meredith A Hackel, Daniel F Sahm, Patricia A Bradford
The combination of the monobactam, aztreonam, and the non-β-lactam β-lactamase inhibitor, avibactam, is currently in clinical development for the treatment of serious infections caused by metallo-β-lactamase (MBL)-producing Enterobacteriaceae, a difficult to treat subtype of carbapenem-resistant Enterobacteriaceae for which therapeutic options are currently very limited. The present study tested clinically significant isolates of Enterobacteriaceae (n=51,352) and Pseudomonas aeruginosa (n=11,842) collected from hospitalized patients in 208 medical center laboratories from 40 countries from 2012 to 2015 for in vitro susceptibility to aztreonam-avibactam, aztreonam, and comparator antimicrobial agents using standard broth microdilution methodology...
June 19, 2017: Antimicrobial Agents and Chemotherapy
https://www.readbyqxmd.com/read/28629798/proteomic-analysis-of-mesenchymal-to-schwann-cell-transdifferentiation
#4
Anup D Sharma, Jayme Wiederin, Metin Uz, Pawel Ciborowski, Surya K Mallapragada, Howard E Gendelman, Donald S Sakaguchi
While transplantation of Schwann cells facilitates axon regeneration, remyelination and repair after peripheral nerve injury clinical use is limited by cell bioavailability. We posit that such limitation in cell access can be overcome by the use of autologous bone-marrow derived mesenchymal stem cells (MSCs). As MSCs can transdifferentiate to Schwann cell-phenotypes and accelerate nerve regeneration we undertook proteomic evaluation of the cells to uncover the protein contents that affects Schwann cell formulation...
June 16, 2017: Journal of Proteomics
https://www.readbyqxmd.com/read/28629038/electrospinning-of-pva-sericin-nanofiber-and-the-effect-on-epithelial-mesenchymal-transition-of-a549-cells
#5
Shanshan Yan, Xiuchun Li, Jing Dai, Yiqun Wang, Binbin Wang, Yi Lu, Jianlin Shi, Pengyu Huang, Jinkang Gong, Yuan Yao
This research aims to investigate the cell-nanomaterial interaction between epithelial-mesenchymal transition of A549 cell and electrospinning nanofibers composed of polyvinyl alcohol (PVA)/silk sericin (SS). The electrospinning of regenerated nanofiber was performed with water as a spinning solvent and glutaraldehyde as a chemical cross-linker. Solution concentration, applied voltage and spin distances as well as other parameters were optimized to generate fine nanofibers with smooth surface in good homogeneity...
October 1, 2017: Materials Science & Engineering. C, Materials for Biological Applications
https://www.readbyqxmd.com/read/28615267/the-novel-association-of-circulating-tumor-cells-and-circulating-megakaryocytes-with-prostate-cancer-prognosis
#6
Lei Xu, Xueying Mao, Tianyu Guo, Pui Ying Chan, Greg Shaw, John Hines, Elzbieta Stankiewicz, Yuqin Wang, R Tim D Oliver, Amar Sabri Ahmad, Daniel Berney, Jonathan Shamash, Yong-Jie Lu
To develop an approach for the investigation of different subtypes of circulating tumor cells (CTCs) and other cells to evaluate their potential prognostic value of prostate cancer.<br /><br />Experimental Design: Malignancy of CTCs undergoing epithelial to mesenchymal transition (EMT) was confirmed by repeated Fluorescence in situ hybridization. Subgroups of CTCs in 81 patients with prostate cancer (43 castration resistant and 38 untreated localized) were correlated to disease aggressiveness parameters...
June 14, 2017: Clinical Cancer Research: An Official Journal of the American Association for Cancer Research
https://www.readbyqxmd.com/read/28604100/molecular-epidemiology-of-carbapenem-resistant-acinetobacter-baumannii-in-greece-an-extended-review-2000-2015
#7
Theodoros Karampatakis, Charalampos Antachopoulos, Athanassios Tsakris, Emmanuel Roilides
Carbapenem-resistant Acinetobacter baumannii (CRAB) is endemic in Greece. CRAB initially emerged in 2000 and since then, carbapenemases still have a crucial role in CRAB appearance, except for a few cases resulting from efflux pump or outer-membrane protein mechanisms. OXA-type carbapenemases present the highest prevalence worldwide and bla OXA-23-like and bla OXA-58-like are the most important genes found; VIM-yielding CRAB have also been detected, while a single CRAB isolate producing NDM has quite recently emerged in Greece...
June 12, 2017: Future Microbiology
https://www.readbyqxmd.com/read/28602727/emergence-of-a-multidrug-resistant-citrobacter-freundii-of-sequence-type-8-harboring-an-unusual-vim-4-gene-cassette-in-poland
#8
Piotr Majewski, Piotr Wieczorek, Izabela Łapuć, Dominika Ojdana, Anna Sieńko, Paweł Sacha, Janusz Kłoczko, Elżbieta Tryniszewska
OBJECTIVES: The growing incidence of multidrug-resistant (MDR) bacteria is an emerging challenge in modern medicine. The utility of carbapenems, which are considered 'last-line' agents, is being diminished by the growing incidence of various resistance mechanisms in Gram-negative bacteria. A molecular investigation was performed of an MDR carbapenem-resistant Citrobacter freundii of sequence type 8 (ST8) isolated from a hematology patient with acute myeloid leukemia. METHODS: Multilocus sequence typing and analysis of the nucleotide sequence of the class I integron were performed using PCR and Sanger sequencing...
June 16, 2017: International Journal of Infectious Diseases: IJID
https://www.readbyqxmd.com/read/28602293/impact-of-addition-sheet-like-cobalt-in-ionic-liquids-mixture-to-detect-oxygen
#9
Ying Liu, Jingyuan Liu, Hao Qin, Qi Liu, Zhanshuang Li, Rongrong Chen, Rumin Li, Hongquan Zhang, Jun Wang
The incorporation of 1-alkyl-3-methylimidazolium hexafluorophosphate (AMIMPF6) and 1-vinlyimidazole (VIM) firstly served as electrolyte for oxygen sensor, which remarkably promoted response current. Moreover, the sheet-like structure of cobalt was deposited onto the surface of C@TiC nanowire (Co/C), which endowed the imidazole-based ionic liquid electrolyte with plentiful active sites and fast electron transfer rate for oxygen reduction reaction. There was little literature about the integration of AMIMPF6, VIM and Co/C as the electrolyte for oxygen sensor...
September 1, 2017: Talanta
https://www.readbyqxmd.com/read/28601875/activities-of-mscs-derived-from-transgenic-mice-seeded-on-adm-scaffolds-in-wound-healing-and-assessment-by-advanced-optical-techniques
#10
Ning Wang, Hanping Liu, Xuefeng Li, Qilei Zhang, Maosheng Chen, Ying Jin, Xiaoyuan Deng
BACKGROUND/AIMS: Bone marrow Mesenchymal stem cells (MSCs) are promising for promoting cutaneous wound healing through reinforcing cellular processes. We evaluated the effect of GFP-tagged MSCs transplantation on skin regeneration in excisional wounds in mice. METHODS: MSCs from GFP-labeled transgenic mice were co-cultured with acellular dermal matrix (ADM) scaffolds, and MSC-ADM scaffolds were transplanted into surgical skin wounds of BALB/c mice. After implantation, the survival and behavior of MSCs were examined by second harmonic generation and two-photon excitation fluorescence imaging, western blotting and DNA amplification and sequencing...
June 9, 2017: Cellular Physiology and Biochemistry
https://www.readbyqxmd.com/read/28593993/myc-activation-cooperates-with-vhl-and-ink4a-arf-loss-to-induce-clear-cell-renal-cell-carcinoma
#11
Sean T Bailey, Aleisha M Smith, Jordan Kardos, Sara E Wobker, Harper L Wilson, Bhavani Krishnan, Ryoichi Saito, Hyo Jin Lee, Jing Zhang, Samuel C Eaton, Lindsay A Williams, Ujjawal Manocha, Dorien J Peters, Xinchao Pan, Thomas J Carroll, Dean W Felsher, Vonn Walter, Qing Zhang, Joel S Parker, Jen Jen Yeh, Richard A Moffitt, Janet Y Leung, William Y Kim
Renal carcinoma is a common and aggressive malignancy whose histopathogenesis is incompletely understood and that is largely resistant to cytotoxic chemotherapy. We present two mouse models of kidney cancer that recapitulate the genomic alterations found in human papillary (pRCC) and clear cell RCC (ccRCC), the most common RCC subtypes. MYC activation results in highly penetrant pRCC tumours (MYC), while MYC activation, when combined with Vhl and Cdkn2a (Ink4a/Arf) deletion (VIM), produce kidney tumours that approximate human ccRCC...
June 8, 2017: Nature Communications
https://www.readbyqxmd.com/read/28592127/methylation-of-sox1-and-vim-promoters-in-serum-as-potential-biomarkers-for-hepatocellular-carcinoma
#12
X Y Liu, Y C Fan, S Gao, J Zhao, L Y Chen, F Li, K Wang
Aberrant methylation of tumor-related genes has been identified as a promising biomarker for hepatocellular carcinoma (HCC). This study aimed to investigate the diagnostic value of SRY (sex determining region Y)-box 1 (SOX1) and Vimentin (VIM) promoter methylation for HCC. The study included 360 subjects, 240 patients with HCC, 29 with liver cirrhosis (LC), 66 with chronic hepatitis B (CHB) and 25 healthy controls (HCs). The methylation status of SOX1 and VIM promoters in the serum was detected by methylation-specific polymerase chain reaction (MSP)...
June 8, 2017: Neoplasma
https://www.readbyqxmd.com/read/28592120/downregulated-vimentin-and-upregulated-e-cadherin-in-t1-stage-non-small-cell-lung-cancer-does-it-suggest-a-mesenchymal-epithelial-transition
#13
T Luo, L Wang, P Wu, W Gong, W Chen, H Zhao, Z Zheng
Lung cancer has been a major threat to human health worldwide. Vimentin (VIM) and E-cadherin (E-cad) are molecular markers that play important roles in epithelial-mesenchymal transition (EMT), which has been shown to be correlated with tumor progression. Herein, we investigated the associations between clinicopathological parameters and VIM/E-cad expression in primary T1 stage non-small cell lung cancer (NSCLC). Real-time PCR was performed on RNA extracted from tumor tissue isolated from 54 patients with T1 stage NSCLC...
June 8, 2017: Neoplasma
https://www.readbyqxmd.com/read/28585170/rapid-and-simple-identification-of-carbapenemase-genes-bla-ndm-bla-oxa-48-bla-vim-bla-imp-14-and-bla-kpc-groups-in-gram-negative-bacilli-by-in-house-loop-mediated-isothermal-amplification-with-hydroxynaphthol-blue-dye
#14
Arpasiri Srisrattakarn, Aroonlug Lulitanond, Chotechana Wilailuckana, Nicha Charoensri, Lumyai Wonglakorn, Pimjai Saenjamla, Prajuab Chaimanee, Jureerut Daduang, Aroonwadee Chanawong
Carbapenem-resistant Enterobacteriaceae isolates by carbapenemase production are being reported globally with increasing frequency, leading to limited therapeutic options. We therefore developed a loop-mediated isothermal amplification method with hydroxynaphthol blue dye (LAMP-HNB) for rapid confirmation of bla NDM, bla OXA-48, bla VIM, bla IMP-14 and bla KPC groups. Sixty-two Enterobacteriaceae and Pseudomonas spp. isolates carrying various carbapenemase genes (28 bla NDM-1, 9 bla IMP-14a, 2 bla IMP-48, 1 bla IMP-1, 1 bla IMP-4, 1 bla IMP-9, 1 bla IMP-15, 4 bla VIM-2, 1 bla VIM-1, 1 bla IMP-14a & bla VIM-2, 7 bla KPC-2, 3 bla OXA-48 and 3 bla OXA-181) and 37 non-carbapenemase-producing Enterobacteriaceae isolates as confirmed by the PCR methods were included...
July 2017: World Journal of Microbiology & Biotechnology
https://www.readbyqxmd.com/read/28572713/specific-gene-and-microrna-expression-pattern-contributes-to-the-epithelial-to-mesenchymal-transition-in-a-rat-model-of-experimental-colitis
#15
Éva Boros, Marianna Csatári, Csaba Varga, Balázs Bálint, István Nagy
The aim of this study was to determine the gene- and microRNA-expression profile contributing to epithelial to mesenchymal transition in a rat model of experimental colitis. For this, inflammation was induced by injecting 2,4,6-trinitrobenzene sulphonic acid to the colon of male Wistar rats. Samples were taken from both inflamed and uninflamed regions of the same colon, total RNA was isolated, and the mRNA and microRNA expressions were monitored. We have determined that the expression of genes responsible for inducing mesenchymal phenotype, such as Egr1, Fgf2, Fgf7, Jak2, Notch2, Hif1α, Zeb2, Mmp9, Lox, and Vim, was all significantly induced in the inflamed regions of the affected colons while the epithelial marker E-cadherin (Cdh1) was downregulated...
2017: Mediators of Inflammation
https://www.readbyqxmd.com/read/28559273/first-detection-of-vim-2-metallo-%C3%AE-lactamase-producing-pseudomonas-putida-in-hospital-cockroaches-of-the-blattella-germanica-species-algeria
#16
Lotfi Loucif, Zineb Cherak, Naima Chamlal, Esma Bendjama, Djamila Gacemi-Kirane, Nadia Grainat, Jean-Marc Rolain
In the last few years, carbapenems resistance has increasingly been reported in Gram-negative bacilli (GNB), particularly via carbapenemase production (1).….
May 30, 2017: Antimicrobial Agents and Chemotherapy
https://www.readbyqxmd.com/read/28557146/coordination-supported-imidazolate-networks-water-and-thermally-stable-mesoporous-polymers-for-catalysis
#17
Pengfei Zhang, Shize Yang, Matthew F Chisholm, Xueguang Jiang, Caili Huang, Sheng Dai
The poor water stability of most porous coordination polymers (PCPs) or metal-organic frameworks (MOFs) is widely recognised as a barrier hampering their practical applications. Herein, a facile and scalable route to prepare metal-containing polymers with a good stability in boiling water (100oC, 24 h) and air (up to 390oC) is presented. The bifunctional 1-vinylimidazole (VIm) with both a coordinating site and a polymerizable organic group is introduced as the building block. This core strategy includes the synthesis of a rigid monomer with four VIm branches via a coordination process at room temperature, followed by a radical polymerization...
May 29, 2017: Chemistry: a European Journal
https://www.readbyqxmd.com/read/28555403/dissemination-of-bla-oxa-370-gene-among-several-enterobacteriaceae-species-in-brazil
#18
C M Magagnin, F P Rozales, L Antochevis, L S Nunes, A S Martins, A L Barth, J M Sampaio, A P Zavascki
OXA-370 is a recently described OXA-48 variant that has only been described in a few Enterobacter spp. and Klebsiella pneumoniae isolates. The purpose of this study is to assess the prevalence of OXA-370-producing isolates in carbapenem-nonsusceptible Enterobacteriaceae recovered from 28 hospitals from Brazil. Real-time PCR was used to determine the presence of bla NDM-1, bla KPC-2, bla VIM-type, bla GES-type, bla OXA-48-like, and bla IMP-type genes. A total of 4,451 Enterobacteriaceae were screened. The gene bla OXA-48-like was detected in 74 (2...
May 30, 2017: European Journal of Clinical Microbiology & Infectious Diseases
https://www.readbyqxmd.com/read/28536045/toward-defining-deep-brain-stimulation-targets-in-mni-space-a-subcortical-atlas-based-on-multimodal-mri-histology-and-structural-connectivity
#19
REVIEW
Siobhan Ewert, Philip Plettig, Ningfei Li, M Mallar Chakravarty, D Louis Collins, Todd M Herrington, Andrea A Kühn, Andreas Horn
Three-dimensional atlases of subcortical brain structures are valuable tools to reference anatomy in neuroscience and neurology. For instance, they can be used to study the position and shape of the three most common deep brain stimulation (DBS) targets, the subthalamic nucleus (STN), internal part of the pallidum (GPi) and ventral intermediate nucleus of the thalamus (VIM) in spatial relationship to DBS electrodes. Here, we present a composite atlas based on manual segmentations of a multimodal high resolution brain template, histology and structural connectivity...
May 20, 2017: NeuroImage
https://www.readbyqxmd.com/read/28533001/evaluation-of-the-rapidec%C3%A2-carba-np-and-%C3%AE-carba%C3%A2-tests-for-rapid-detection-of-carbapenemase-producing-enterobacteriaceae
#20
Stefano Mancini, Nicolas Kieffer, Laurent Poirel, Patrice Nordmann
The analytical performances of the RAPIDEC CARBA NP® (bioMérieux) and the β-CARBA® (Bio-Rad) tests were evaluated for the rapid detection of any known type of carbapenemases in Enterobacteriaceae. An international collection of 149 enterobacterial isolates comprising 111 Carbapenemase-Producing Enterobacteriaceae (CPE) and 38 non-carbapenemase producers was used. CPE included 32 carbapenemase producers of class A (18 KPC-2, 1 FRI-1, 5 SME and 8 IMI), 33 of class B (13 NDM, 11 VIM and 9 IMP) and 46 of class D (15 OXA-48, 14 OXA-181, 10 OXA-204, 3 OXA-232 and 4 OXA-162)...
May 13, 2017: Diagnostic Microbiology and Infectious Disease
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