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https://www.readbyqxmd.com/read/28430297/stopping-conventional-showering-decreases-pseudomonas-infections-in-left-ventricular-assist-device-patients
#1
Nana Aburjania, Saadia Sherazi, Vakhtang Tchantchaleishvili, Jeffrey D Alexis, Christine M Hay
BACKGROUND: Left ventricular assist device (LVAD) exit-site infections represent a major challenge in the era of modern LVADs. Infections caused by Pseudomonas are particularly difficult to treat due to limited antibiotic susceptibility. We hypothesized that keeping the LVAD exit site dry while bathing could result in reduced incidence of Pseudomonas infections. METHODS: Starting in April 2013, all patients who underwent placement of HeartMate II (HM II) LVAD were instructed not to take conventional showers and to keep the exit site dry while bathing...
April 18, 2017: International Journal of Artificial Organs
https://www.readbyqxmd.com/read/28429728/a-formulated-tlr7-8-agonist-is-a-flexible-highly-potent-and-effective-adjuvant-for-pandemic-influenza-vaccines
#2
Neal Van Hoeven, Christopher B Fox, Brian Granger, Tara Evers, Sharvari W Joshi, Ghislain I Nana, Sarah C Evans, Susan Lin, Hong Liang, Li Liang, Rie Nakajima, Philip L Felgner, Richard A Bowen, Nicole Marlenee, Airn Hartwig, Susan L Baldwin, Rhea N Coler, Mark Tomai, James Elvecrog, Steven G Reed, Darrick Carter
Since 1997, highly pathogenic avian influenza viruses of the H5N1 subtype have been transmitted from avian hosts to humans. The severity of H5N1 infection in humans, as well as the sporadic nature of H5N1 outbreaks, both geographically and temporally, make generation of an effective vaccine a global public health priority. An effective H5N1 vaccine must ultimately provide protection against viruses from diverse clades. Toll-like receptor (TLR) agonist adjuvant formulations have a demonstrated ability to broaden H5N1 vaccine responses in pre-clinical models...
April 21, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28429006/correction-ag-induced-photoluminescence-enhancement-in-lanthanide-post-functionalized-mofs-and-ag-sensing
#3
Nana Sun, Bing Yan
Correction for 'Ag(+)-induced photoluminescence enhancement in lanthanide post-functionalized MOFs and Ag(+) sensing' by Nana Sun et al., Phys. Chem. Chem. Phys., 2017, 19, 9174-9180.
April 21, 2017: Physical Chemistry Chemical Physics: PCCP
https://www.readbyqxmd.com/read/28426790/lethality-of-mice-bearing-a-knockout-of-the-ngly1-gene-is-partially-rescued-by-the-additional-deletion-of-the-engase-gene
#4
Haruhiko Fujihira, Yuki Masahara-Negishi, Masaru Tamura, Chengcheng Huang, Yoichiro Harada, Shigeharu Wakana, Daisuke Takakura, Nana Kawasaki, Naoyuki Taniguchi, Gen Kondoh, Tadashi Yamashita, Yoko Funakoshi, Tadashi Suzuki
The cytoplasmic peptide:N-glycanase (Ngly1 in mammals) is a de-N-glycosylating enzyme that is highly conserved among eukaryotes. It was recently reported that subjects harboring mutations in the NGLY1 gene exhibited severe systemic symptoms (NGLY1-deficiency). While the enzyme obviously has a critical role in mammals, its precise function remains unclear. In this study, we analyzed Ngly1-deficient mice and found that they are embryonic lethal in C57BL/6 background. Surprisingly, the additional deletion of the gene encoding endo-β-N-acetylglucosaminidase (Engase), which is another de-N-glycosylating enzyme but leaves a single GlcNAc at glycosylated Asn residues, resulted in the partial rescue of the lethality of the Ngly1-deficient mice...
April 2017: PLoS Genetics
https://www.readbyqxmd.com/read/28425571/clinical-factors-affecting-costs-in-patients-receiving-systemic-antifungal-therapy-in-intensive-care-units-in-greece-results-from-the-estimator-study
#5
A Armaganidis, S Nanas, E Antoniadou, K Mandragos, K Liakou, A Koutsoukou, G Baltopoulos, G Nakos, A Kounougeri, K Ganas, A Prekates, M Kompoti, D Georgopoulos, I Pneumatikos, E Zakynthinos
Invasive fungal infections are common in intensive care units (ICUs) but there is a great variability in factors affecting costs of different antifungal treatment strategies in clinical practice. To determine factors affecting treatment cost in adult ICU patients with or without documented invasive fungal infection receiving systemic antifungal therapy (SAT) we have performed a prospective, multicentre, observational study enrolling patients receiving SAT in participating ICUs in Greece. During the study period, 155 patients received SAT at 14 participating ICUs: 37 (23...
April 20, 2017: Mycoses
https://www.readbyqxmd.com/read/28424456/paraquat-poisoning-induced-pulmonary-epithelial-mesenchymal-transition-through-notch1-pathway
#6
Tiegang Li, Xiangming Yang, Shiyu Xin, Yan Cao, Nana Wang
Progressive pulmonary fibrosis is the most characteristic feature of subacute PQ poisoning. Epithelial-to-mesenchymal transition (EMT) is reported to be involved in the pulmonary fibrosis after PQ exposure. Recent evidence suggested Notch signaling is required for EMT. In this study, we investigated whether Notch1 and TGF-β1/Smad3 signaling was involved in EMT caused by PQ. It is demonstrated that A549 cells underwent EMT after treated with PQ at dose of 300 μmol/L for 6 days, charactered by increasing expression of mesenchymal marker α-SMA and decreasing expression of epithelial marker E-cadherin...
April 19, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28421538/roles-of-nitric-oxide-synthase-isoforms-in-neurogenesis
#7
REVIEW
Cheong-Meng Chong, Nana Ai, Minjing Ke, Yuan Tan, Zhijian Huang, Yong Li, Jia-Hong Lu, Wei Ge, Huanxing Su
Nitric oxide (NO), a free radical gas, acts as a neurotransmitter or neuromodulator in the central nervous system (CNS). It has been widely explored as a mediator of neuroinflammation, neuronal damages, and neurodegeneration at its pathological levels. Recently, increasing evidence suggests that NO plays key roles in mediating adult neurogenesis, the process of neural stem cells (NSCs) to generate newborn neurons for replacing damaged neurons or maintaining the function of the brain. NO synthase (NOS) is a major enzyme catalyzing the generation of NO in the brain...
April 18, 2017: Molecular Neurobiology
https://www.readbyqxmd.com/read/28421355/addressing-early-retention-in-antenatal-care-among-hiv-positive-women-through-a-simple-intervention-in-kinshasa-drc-the-elombe-champion-standard-operating-procedure
#8
Michelle M Gill, John Ditekemena, Aimé Loando, Nana Mbonze, Jo Bakualufu, Rhoderick Machekano, Cady Nyombe, Marleen Temmerman, Franck Fwamba
This cluster-randomized study aimed to assess the Elombe ("Champion") standard operating procedure (SOP), implemented by providers and Mentor Mothers, on HIV-positive pregnant women's retention between first and second antenatal visits. Sixteen facilities in Kinshasa were randomly assigned to intervention (SOP) or comparison (no SOP). Effect of the SOP was estimated using relative risk. Women in comparison facilities were more likely to miss second visits (RR 2.5, 95% CI 1.05-5.98) than women in intervention facilities (30...
April 18, 2017: AIDS and Behavior
https://www.readbyqxmd.com/read/28417480/efficient-red-perovskite-light-emitting-diodes-based-on-solution-processed-multiple-quantum-wells
#9
Shuting Zhang, Chang Yi, Nana Wang, Yan Sun, Wei Zou, Yingqiang Wei, Yu Cao, Yanfeng Miao, Renzhi Li, Yao Yin, Ni Zhao, Jianpu Wang, Wei Huang
This paper reports a facile and scalable process to achieve high performance red perovskite light-emitting diodes (LEDs) by introducing inorganic Cs into multiple quantum well (MQW) perovskites. The MQW structure facilitates the formation of cubic CsPbI3 perovskites at low temperature, enabling the Cs-based QWs to provide pure and stable red electroluminescence. The versatile synthesis of MQW perovskites provides freedom to control the crystallinity and morphology of the emission layer. It is demonstrated that the inclusion of chloride can further improve the crystallization and consequently the optical properties of the Cs-based MQW perovskites, inducing a low turn-on voltage of 2...
April 18, 2017: Advanced Materials
https://www.readbyqxmd.com/read/28417211/helminth-diversity-in-synanthropic-rodents-from-an-urban-ecosystem
#10
Diego Hancke, Olga Virginia Suárez
Richness and diversity of parasites depend on a set of interrelated factors related to the characteristics of the host, the environment and the parasites itself. In the City of Buenos Aires, rodent communities vary according to landscape structure. The goal of this paper was to study the variations of helminth richness and diversity among invasive rodent species in different landscape units of the City of Buenos Aires. 73% of the rodents were parasitized with at least one of the 10 identified helminth species...
April 17, 2017: EcoHealth
https://www.readbyqxmd.com/read/28415936/type-2-diabetes-mellitus-unawareness-prevalence-trends-and-risk-factors-national-health-and-nutrition-examination-survey-nhanes-1999-2010
#11
Nana Zhang, Xin Yang, Xiaolin Zhu, Bin Zhao, Tianyi Huang, Qiuhe Ji
Objectives To determine whether the associations with key risk factors in patients with diagnosed and undiagnosed type 2 diabetes mellitus (T2DM) are different using data from the National Health and Nutrition Examination Survey (NHANES) from 1999 to 2010. Methods The study analysed the prevalence and association with risk factors of undiagnosed and diagnosed T2DM using a regression model and a multinomial logistic regression model. Data from the NHANES 1999-2010 were used for the analyses. Results The study analysed data from 10 570 individuals...
April 2017: Journal of International Medical Research
https://www.readbyqxmd.com/read/28415691/a-potentially-functional-variant-of-arid1b-interacts-with-physical-activity-in-association-with-risk-of-hepatocellular-carcinoma
#12
Li Liu, Nana Tian, Chengyu Zhou, Xinqi Lin, Weibiao Lv, Zhifeng Lin, Zibo Lin, Yongfen Qi, Yi Yang, Sidong Chen, Xinfa Yu, Yanhui Gao
The tumor suppressor role of AT-rich interactive domain containing protein 1B (ARID1B) has drawn much attention in area of cancer etiology. However, it had remained unknown whether or not genetic variants of ARID1B involved in development of hepatocellular carcinoma (HCC). In this study, three putatively functional variants in ARID1B (rs73013281C>T, rs167007A>G, and rs9397984C>T) were selected using bioinformatics tools, and a case-control study of 611 cases and 614 controls was conducted to investigate genetic associations with HCC risk in a Southern Chinese population...
March 10, 2017: Oncotarget
https://www.readbyqxmd.com/read/28411817/trimethyl-%C3%AE-cyclodextrin-encapsulated-monolithic-capillary-columns-preparation-characterization-and-chiral-nano-lc-application
#13
Ashraf Ghanem, Frady G Adly, Yasser Sokerik, Nana Yaa Antwi, Mohamed A Shenashen, Sherif A El-Safty
Trimethylated-β-cyclodextrin (TM-β-CD) was encapsulated within several polymer monolithic capillary columns for reversed-phase chiral nano-liquid chromatography (nano-LC). The monolithic phases were prepared using the one-pot in situ copolymerization of ethylene glycol dimethacrylate (EDMA), glycidyl methacrylate (GMA) monomers and 1-propanol, 1,4-butanediol as progenic solvents in presence of TM-β-CD solution within fused silica capillaries (150µm I.D.). The obtained chiral monolithic stationery phases were characterized by scanning electron microscopy (SEM), N2 adsorption/desorption isotherms, wide angle x-ray diffraction (WAXRD), thermogravimetric analysis (TGA) and differential thermal analysis (DTA)...
July 1, 2017: Talanta
https://www.readbyqxmd.com/read/28411275/odorant-sensory-input-modulates-dna-secondary-structure-formation-and-heterogeneous-ribonucleoprotein-recruitment-on-the-tyrosine-hydroxylase-and-glutamic-acid-decarboxylase-1-promoters-in-the-olfactory-bulb
#14
Meng Wang, Elizabeth Cai, Nana Fujiwara, Lilah Fones, Elizabeth Brown, Yuchio Yanagawa, John W Cave
Adaptation of neural circuits to changes in sensory input can modify several cellular processes within neurons, including neurotransmitter biosynthesis levels. For a subset of olfactory bulb interneurons, activity-dependent changes in GABA are reflected by corresponding changes in Glutamate decarboxylase 1 (Gad1) expression levels. Mechanisms regulating Gad1 promoter activity are poorly understood, but here we show that a conserved G:C-rich region in the mouse Gad1 proximal promoter region both recruits heterogeneous nuclear ribonucleoproteins (hnRNPs) that facilitate transcription and forms single-stranded DNA secondary structures associated with transcriptional repression...
April 14, 2017: Journal of Neuroscience: the Official Journal of the Society for Neuroscience
https://www.readbyqxmd.com/read/28407108/realizing-the-promise-of-the-partnership-for-maternal-newborn-and-child-health
#15
Hareya Fassil, John Borrazzo, Richard Greene, Troy Jacobs, Maureen Norton, Mary Ellen Stanton, Nana Taona Kuo, K Rogers, Luwei Pearson, Ted Chaiban, Anshu Banerjee, Shyama Kuruvilla, Marta Seaone, Ann Starrs, Betsy McCallon, Stefan Germann, Anshu Mohan, Flavia Bustreo, Helga Fogstad, C K Mishra
Reflecting on Storeng and Béhague ("Lives in the balance": the politics of integration in the Partnership for Maternal, Newborn and Child Health. Health Policy and Planning Storeng and Béhague (2016).) historical ethnography of the Partnership for Maternal, Newborn and Child Health (PMNCH), this commentary provides a more current account of PMNCH's trajectory since its inception in 2005. It highlights PMNCH's distinct characteristics and how it is positioned to play an instrumental role in the current global health landscape...
April 12, 2017: Health Policy and Planning
https://www.readbyqxmd.com/read/28407018/correction-detrimental-elavl-1-hur-dependent-gsk3%C3%AE-mrna-stabilization-impairs-resolution-in-acute-respiratory-distress-syndrome
#16
Olivia Hoffman, Nana Burns, István Vadász, Holger K Eltzschig, Michael G Edwards, Christine U Vohwinkel
[This corrects the article DOI: 10.1371/journal.pone.0172116.].
2017: PloS One
https://www.readbyqxmd.com/read/28406723/aspirin-use-and-colorectal-cancer-survival-according-to-tumor-cd274-programmed-cell-death-1-ligand-1-expression-status
#17
Tsuyoshi Hamada, Yin Cao, Zhi Rong Qian, Yohei Masugi, Jonathan A Nowak, Juhong Yang, Mingyang Song, Kosuke Mima, Keisuke Kosumi, Li Liu, Yan Shi, Annacarolina da Silva, Mancang Gu, Wanwan Li, NaNa Keum, Xuehong Zhang, Kana Wu, Jeffrey A Meyerhardt, Edward L Giovannucci, Marios Giannakis, Scott J Rodig, Gordon J Freeman, Daniel Nevo, Molin Wang, Andrew T Chan, Charles S Fuchs, Reiko Nishihara, Shuji Ogino
Purpose Blockade of the programmed cell death 1 (PDCD1, PD-1) immune checkpoint pathway can improve clinical outcomes in various malignancies. Evidence suggests that aspirin (a widely used nonsteroidal anti-inflammatory drug) not only prolongs colorectal cancer survival, but can also activate T cell-mediated antitumor immunity and synergize with immunotherapy through inhibition of prostaglandin E2 production. We hypothesized that the survival benefit associated with aspirin might be stronger in colorectal carcinoma with a lower CD274 (PDCD1 ligand 1, PD-L1) expression level that resulted in lower signaling of the immune checkpoint pathway...
April 13, 2017: Journal of Clinical Oncology: Official Journal of the American Society of Clinical Oncology
https://www.readbyqxmd.com/read/28403980/characteristics-management-and-outcomes-of-patients-with-hepatocellular-carcinoma-in-africa-a-multicountry-observational-study-from-the-africa-liver-cancer-consortium
#18
Ju Dong Yang, Essa A Mohamed, Ashraf O Abdel Aziz, Hend I Shousha, Mohamed B Hashem, Mohamed M Nabeel, Ahmed H Abdelmaksoud, Tamer M Elbaz, Mary Y Afihene, Babatunde M Duduyemi, Joshua P Ayawin, Adam Gyedu, Marie-Jeanne Lohouès-Kouacou, Antonin W Ndjitoyap Ndam, Ehab F Moustafa, Sahar M Hassany, Abdelmajeed M Moussa, Rose A Ugiagbe, Casimir E Omuemu, Richard Anthony, Dennis Palmer, Albert F Nyanga, Abraham O Malu, Solomon Obekpa, Abdelmounem E Abdo, Awatif I Siddig, Hatim M Y Mudawi, Uchenna Okonkwo, Mbang Kooffreh-Ada, Yaw A Awuku, Yvonne A Nartey, Elizabeth T Abbew, Nana A Awuku, Jesse A Otegbayo, Kolawole O Akande, Hailemichael M Desalegn, Abidemi E Omonisi, Akande O Ajayi, Edith N Okeke, Mary J Duguru, Pantong M Davwar, Michael C Okorie, Shettima Mustapha, Jose D Debes, Ponsiano Ocama, Olufunmilayo A Lesi, Emuobor Odeghe, Ruth Bello, Charles Onyekwere, Francis Ekere, Rufina Igetei, Mitchell A Mah'moud, Benyam Addissie, Hawa M Ali, Gregory J Gores, Mark D Topazian, Lewis R Roberts
BACKGROUND: Hepatocellular carcinoma is a leading cause of cancer-related death in Africa, but there is still no comprehensive description of the current status of its epidemiology in Africa. We therefore initiated an African hepatocellular carcinoma consortium aiming to describe the clinical presentation, management, and outcomes of patients with hepatocellular carcinoma in Africa. METHODS: We did a multicentre, multicountry, retrospective observational cohort study, inviting investigators from the African Network for Gastrointestinal and Liver Diseases to participate in the consortium to develop hepatocellular carcinoma research databases and biospecimen repositories...
February 2017: Lancet. Gastroenterology & Hepatology
https://www.readbyqxmd.com/read/28402019/epigallocatechin-gallate-inhibits-streptococcus-pneumoniae-virulence-by-simultaneously-targeting-pneumolysin-and-sortase%C3%A2-a
#19
Meng Song, Zihao Teng, Meng Li, Xiaodi Niu, Jianfeng Wang, Xuming Deng
Streptococcus pneumoniae (pneumococcus), the causative agent of several human diseases, possesses numerous virulence factors associated with pneumococcal infection and pathogenesis. Pneumolysin (PLY), an important virulence factor, is a member of the cholesterol-dependent cytolysin family and has cytolytic activity. Sortase A (SrtA), another crucial pneumococcal virulence determinate, contributes greatly to the anchoring of many virulence-associated surface proteins to the cell wall. In this study, epigallocatechin gallate (EGCG), a natural compound with little known antipneumococcal activity, was shown to directly inhibit PLY-mediated haemolysis and cytolysis by blocking the oligomerization of PLY and simultaneously reduce the peptidase activity of SrtA...
April 12, 2017: Journal of Cellular and Molecular Medicine
https://www.readbyqxmd.com/read/28398732/arbalign-a-tool-for-optimal-alignment-of-arbitrarily-ordered-isomers-using-the-kuhn-munkres-algorithm
#20
Berhane Temelso, Joel M Mabey, Toshiro Kubota, Nana A Appiah-Padi, George C Shields
When assessing the similarity between two isomers whose atoms are ordered identically, one typically translates and rotates their Cartesian coordinates for best alignment and computes the pairwise root mean square deviation (RMSD). However, if the atoms are ordered differently or the molecular axes are switched, it is necessary to find the best ordering of the atoms and check for optimal axes before calculating a meaningful pairwise RMSD. The factorial scaling of finding the best ordering by looking at all permutations is too expensive for any system with more than ten atoms...
April 11, 2017: Journal of Chemical Information and Modeling
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