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https://www.readbyqxmd.com/read/28739695/synergistic-effects-of-arsenite-on-radiosensitization-of-glioblastoma-cells
#1
Yasuharu Ninomiya, Dong Yu, Emiko Sekine-Suzuki, Tetsuo Nakajima
BACKGROUND/AIM: Glioblastoma is a frequent type of brain tumor and is radioresistant. Arsenite, which crosses the blood-brain barrier, shows synergistic effects with radiation in vitro and in vivo. The mechanism remains unclear. MATERIALS AND METHODS: As synergistic radiosensitization has been reported in p53-deficient cancer cells, radiosensitization was evaluated using the glioblastoma cell line, U87MG-E6, which harbors inactivated p53, in comparison with the cell line, HCT116 p53 (-/-)...
August 2017: Anticancer Research
https://www.readbyqxmd.com/read/28737122/preserved-heart-function-after-left-ventricular-pressure-overload-in-adult-mice-subjected-to-neonatal-cardiac-hypoplasia
#2
K Heinecke, A Heuser, F Blaschke, C Jux, L Thierfelder, J-D Drenckhahn
Intrauterine growth restriction in animal models reduces heart size and cardiomyocyte number at birth. Such incomplete cardiomyocyte endowment is believed to increase susceptibility toward cardiovascular disease in adulthood, a phenomenon referred to as developmental programming. We have previously described a mouse model of impaired myocardial development leading to a 25% reduction of cardiomyocyte number in neonates. This study investigated the response of these hypoplastic hearts to pressure overload in adulthood, applied by abdominal aortic constriction (AAC)...
July 24, 2017: Journal of Developmental Origins of Health and Disease
https://www.readbyqxmd.com/read/28735317/genetic-characterization-of-a-novel-composite-transposon-carrying-arma-and-aac-6-ib-genes-in-an-escherichia-coli-isolate-from-egypt
#3
Mona T Kashef, Omneya M Helmy
Aminoglycosides are used in treating a wide range of infections caused by Gram-positive and Gram-negative bacteria; however, aminoglycoside resistance is common and occurs by several mechanisms. Among these mechanisms is bacterial rRNA methylation by the 16S rRNA methyl transferase (16S-RMTase) enzymes; but data about the spread of this mechanism in Egypt are scarce. Cephalosporins are the most commonly used antimicrobial agents in Egypt; therefore, this study was conducted to determine the frequency of 16S-RMTase among third generation cephalosporin-resistant clinical isolates in Egypt...
July 6, 2017: Polish Journal of Microbiology
https://www.readbyqxmd.com/read/28735058/prevalence-of-pmqr-genes-in-e-coli-and-klebsiella-spp-isolated-from-north-west-of-morocco
#4
Houda Benaicha, Said Barrijal, Fatima Ezzakkioui, Fatima Elmalki
OBJECTIVES: Plasmid mediated quinolone resistance (PMQR) genes are increasingly detected worldwide. However, in Morocco a few studies have been carried out. The aim of this study was to investigate the prevalence of these determinants among Escherichia coli and Klebsiella spp isolated from North-West of Morocco. METHODS: The prevalence of PMQR genes was investigated among 398 E. coli and 118 Klebsiella spp clinical isolates collected between 2012 and 2015 from North-West of Morocco...
July 19, 2017: Journal of Global Antimicrobial Resistance
https://www.readbyqxmd.com/read/28732788/occurrence-and-clonal-diversity-of-multidrug-resistant-klebsiella-pneumoniae-recovered-from-inanimate-surfaces-in-algerian-hospital-environment-first-report-of-arma-qnrb-and-aac-6-ib-cr-genes
#5
Karima Zenati, Farida Sahli, Vincent Garcia, Sofiane Bakour, Djellali Belhadi, Jean Marc Rolain, Abdelaziz Touati
PURPOSE: The aim of this study is to characterize the molecular support of antibiotic resistance in MDR K. pneumonaie recovered from inanimate surfaces between March 2012 to February 2014 in three teaching hospitals (Setif, Bejaia and Constantine) in Algeria. RESULTS: Forty four K. pneumoniae producing ESBL were detected and blaCTX-M-15 and blaCTX-M-3 were detected respectively in 41 and 3 isolates. These K. pneumoniae isolates producing ESBL were also resistant to gentamicin (87%), tobramicin (87%), ciprofloxacin (66%) and ofloxacin (62%)...
July 18, 2017: Journal of Global Antimicrobial Resistance
https://www.readbyqxmd.com/read/28727843/atomistic-modeling-of-alternating-access-of-a-mitochondrial-adp-atp-membrane-transporter-with-molecular-simulations
#6
Koichi Tamura, Shigehiko Hayashi
The mitochondrial ADP/ATP carrier (AAC) is a membrane transporter that exchanges a cytosolic ADP for a matrix ATP. Atomic structures in an outward-facing (OF) form which binds an ADP from the intermembrane space have been solved by X-ray crystallography, and revealed their unique pseudo three-fold symmetry fold which is qualitatively different from pseudo two-fold symmetry of most transporters of which atomic structures have been solved. However, any atomic-level information on an inward-facing (IF) form, which binds an ATP from the matrix side and is fixed by binding of an inhibitor, bongkrekic acid (BA), is not available, and thus its alternating access mechanism for the transport process is unknown...
2017: PloS One
https://www.readbyqxmd.com/read/28727477/national-survey-describing-and-quantifying-students-with-communication-needs
#7
Natalie R Andzik, John M Schaefer, Robert T Nichols, Yun-Ching Chung
PURPOSE: Research literature has yet to quantify and describe how students with complex communication needs are supported in the classroom and how special educators are being prepared to offer support. This study sought out special educators to complete a survey about their students with complex communication needs. METHOD: Over 4,000 teachers representing 50 states reported on the communicative and behavioral characteristics of 15,643 students. Teachers described the training they have received and instructional approaches they used...
July 20, 2017: Developmental Neurorehabilitation
https://www.readbyqxmd.com/read/28712822/association-study-of-hnf1a-polymorphisms-with-metabolic-syndrome-in-the-moroccan-population
#8
Imane Morjane, Rym Kefi, Hicham Charoute, Fouzia Lakbakbi El Yaagoubi, Meryem Hechmi, Rachid Saile, Sonia Abdelhak, Abdelhamid Barakat
AIMS: Variants in Hepatocyte Nuclear Factor 1 alpha (HNF1A) gene are associated with Metabolic Syndromeand its components independently. In this study, we aimed to assess the statistical association of the rs1169288, rs2464196 and rs735396 variants and haplotypes of HNF1A gene with metabolic syndrome (MS) and its components in a Moroccan population sample. METHODS: Three variants in the HNF1A gene were genotyped, rs1169288 A>C, rs2464196 G>A and rs735396 T>C in cases and controls from Moroccan population using KASPar(®) technology (KBioscience, UK)...
July 3, 2017: Diabetes & Metabolic Syndrome
https://www.readbyqxmd.com/read/28704814/acalculous-cholecystitis-is-an-elective-interval-cholecystectomy-necessary
#9
Syed H Abbas, Mudassar A Ghazanfar, Alex N Gordon-Weeks, Srikanth R Reddy, Zahir Soonawalla, Michael A Silva
BACKGROUND: Acute acalculous cholecystitis (AAC) accounts for 5-10% of cases of acute cholecystitis. The advantage of interval cholecystectomy for patients with AAC is unclear. Therefore, a retrospective analysis of patients diagnosed with AAC at our institution was performed over a 5-year period. METHODS: Patients were identified via hospital coding using the keywords "acalculous cholecystitis, cholecystostomy and gall bladder perforation." Follow-up data was obtained by performing a retrospective review of the patients' hospital records...
July 14, 2017: Digestive Surgery
https://www.readbyqxmd.com/read/28704097/managing-thyroid-tumors-diagnosed-as-non-invasive-follicular-tumor-with-papillary-like-nuclear-features-niftp
#10
Zubair W Baloch, R Mack Harrell, Elise M Brett, Gregory Randolph, Jeffrey R Garber
This commentary summarizes the history and reclassification of noninvasive follicular thyroid tumor with papillary like nuclei (NIFTP). The salient histopathologic features, which are based on immunohistochemical and molecular profiles and serve as inclusion and exclusion criteria are reviewed. The authors also provide their own point of view regarding the practical issues and possible concerns that may be raised by both clinicians and patients based on the diagnosis of NIFTP.
July 13, 2017: Endocrine Practice
https://www.readbyqxmd.com/read/28697629/culturally-and-linguistically-diverse-student-and-family-perspectives-of-aac
#11
Saili S Kulkarni, Jessica Parmar
Augmentative and alternative communication (AAC) devices are important for nonverbal students with disabilities to communicate with the verbal world. AAC devices provide access to academic and social opportunities for students with disabilities. With the changing demographics of schools and an emphasis on meaningful, culturally relevant instruction for all students, it is important to consider how AAC devices are utilized and perceived by individuals from culturally and linguistically diverse (CLD) backgrounds and their families...
July 12, 2017: Augmentative and Alternative Communication: AAC
https://www.readbyqxmd.com/read/28695784/provision-of-powered-communication-aids-in-the-united-kingdom
#12
Simon Judge, Pam Enderby, Sarah Creer, Alex John
AAC service provision in the United Kingdom (UK) has evolved since the first service dedicated to the provision of communication aids opened in 1986. Within the UK, many health and care services are provided via government funding; however, the assessment and provision of AAC and specifically of speech-generating devices (SGDs) is inconsistent and inequitable. The study reported in this paper aimed to collect information on levels of current provision of powered communication aids (the term used in the study to refer to SGDs) by UK service providers in 2013 with the intention of improving future estimates for need of services...
July 11, 2017: Augmentative and Alternative Communication: AAC
https://www.readbyqxmd.com/read/28693665/characterization-of-high-level-ampicillin-and-aminoglycoside-resistant-enterococci-isolated-from-non-hospital-sources
#13
Emmanuel O Ngbede, Mashood A Raji, Clara N Kwanashie, Jacob K P Kwaga, Alex A Adikwu, Nanven A Maurice, Andrew M Adamu
PURPOSE: High level ampicillin- and aminoglycoside-resistant enterococci are being increasingly reported from non-hospital sources. This study was carried out to characterize these strains from non-hospital sources in Nigeria. METHODOLOGY: A collection of Enterococcus faecium isolated from vegetables, soil, farm animals and manure and observed to be resistant to ampicillin (n=63) and gentamicin (n=37) discs, were screened for resistance to high levels of ampicillin and aminoglycoside using E-test strips...
July 10, 2017: Journal of Medical Microbiology
https://www.readbyqxmd.com/read/28693310/tibial-dyschondroplasia-is-highly-related-to-suppression-of-the-hypoxia-inducible-factor-hif-1%C3%A9-2%C3%A9-and-3%C3%A9-expressions-in-chickens
#14
Shucheng Huang, Mujeeb Ur Rehman, Gang Qiu, Houqiang Luo, Muhammad Kashif Iqbal, Hui Zhang, Khalid Mehmood, Jiakui Li
Tibetan chickens (TBCs) live at high altitude hypoxic environment. None of the Tibial dyschondroplasia (TD) cases had been reported in TBCs, which is commonly seen in commercial broilers characterized by lameness. The underlying mechanism remains unclear. Hypoxia inducible factors (HIFs) are important regulators of cellular adaptation to hypoxic conditions. Here we investigated the role of HIF-1ɑ, -2ɑ, and -3ɑ in hypoxia and thiram-induced TD and their effect on tibial growth plate development in Acres chickens (AACs) and TBCs...
July 10, 2017: Journal of Veterinary Science
https://www.readbyqxmd.com/read/28691394/a-new-hla-a-allele-hla-a-30-62-sequenced-in-a-chinese-individual
#15
X Zhang, X-F Li, F-Q Lin, K-L Zhang, J-P Li
HLA-A*30:62 has one nucleotide change from HLA-A*30:01:01 where 311 Threonine (ACC) is changed to Asparagine (AAC).
July 9, 2017: HLA
https://www.readbyqxmd.com/read/28687066/genomic-characterization-of-a-large-plasmid-containing-a-bla-ndm-1-gene-carried-on-salmonella-enterica-serovar-indiana-c629-isolate-from-china
#16
Wei Wang, Zulqarnain Baloch, Zixin Peng, Yujie Hu, Jin Xu, Séamus Fanning, Fengqin Li
BACKGROUND: The bla NDM-1 gene in Salmonella species is mostly reported in clinical cases, but is rarely isolated from red and white meat in China. METHODS: A Salmonella Indiana (S. Indiana) isolate was cultured from a chicken carcass procured from a slaughterhouse in China. Antimicrobial susceptibility was tested against a panel of agents. Whole-genome sequencing of the isolate was carried out and data was analyzed. RESULTS: A large plasmid, denoted as plasmid pC629 (210,106 bp), containing a composite cassette, consisting of IS26-bla NDM-1-ble MBL -△trpF-tat-cutA-ISCR1-sul1-qacE△1-aadA2-dfrA12-intI1-IS26 was identified...
July 7, 2017: BMC Infectious Diseases
https://www.readbyqxmd.com/read/28684253/subinhibitory-concentrations-of-gentamicin-trigger-expression-of-aac-6-ie-aph-2%C3%A2-ia-chaperones-and-biofilm-related-genes-in-lactobacillus-plantarum-mcc3011
#17
Jaimee George, Prakash Motiram Halami
This study aimed to analyze the effects of subinhibitory concentrations of gentamicin on expression of high-level aminoglycoside-resistant (HLAR) bifunctional aac(6')-Ie-aph(2″)Ia, biofilm and chaperone genes in Lactobacillus plantarum. Analysis of biofilm formation in five isolates obtained from chicken sausages indicated their role in exhibiting phenotypic resistance based on varied MIC values, despite carrying the bifunctional gene. Biofilm formation significantly increased when L. plantarum MCC3011 was grown in subinhibitory concentrations of gentamicin (4 μg/ml), kanamycin (8 μg/ml) and streptomycin (2 μg/ml)...
July 4, 2017: Research in Microbiology
https://www.readbyqxmd.com/read/28681822/emergence-of-rmtc-and-rmtf-16s-rrna-methyltransferase-in-clinical-isolates-of-pseudomonas-aeruginosa
#18
Lavanya Mohanam, Thangam Menon
Occurrence of aminoglycoside (AG) resistance in clinical isolates of Pseudomonas aeruginosa is investigated in this study. Antimicrobial susceptibility test and minimum inhibitory concentration (MIC) for amikacin and gentamicin were performed followed by polymerase chain reaction amplifications of AG modifying enzyme genes (aac(6´)-I, aac(6´)-II, aac(3)-II/VI, ant(2´´)-I, aph(3´)-VI) and 16S methylases (rmtA-D, rmtF and armA). MIC50and MIC90were 64, 128 and > 256, >256 for amikacin and gentamicin, respectively...
April 2017: Indian Journal of Medical Microbiology
https://www.readbyqxmd.com/read/28675073/designing-interaction-voice-and-inclusion-in-aac-research
#19
Graham Pullin, Jutta Treviranus, Rupal Patel, Jeff Higginbotham
The ISAAC 2016 Research Symposium included a Design Stream that examined timely issues across augmentative and alternative communication (AAC), framed in terms of designing interaction, designing voice, and designing inclusion. Each is a complex term with multiple meanings; together they represent challenging yet important frontiers of AAC research. The Design Stream was conceived by the four authors, researchers who have been exploring AAC and disability-related design throughout their careers, brought together by a shared conviction that designing for communication implies more than ensuring access to words and utterances...
July 4, 2017: Augmentative and Alternative Communication: AAC
https://www.readbyqxmd.com/read/28670934/correction-to-thistle-j-j-wilkinson-k-effects-of-background-color-and-symbol-arrangement-cues-on-construction-of-multi-symbol-messages-by-young-children-without-disabilities-implications-for-aided-aac-design
#20
(no author information available yet)
No abstract text is available yet for this article.
July 3, 2017: Augmentative and Alternative Communication: AAC
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