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https://www.readbyqxmd.com/read/28103301/differences-in-beef-quality-between-angus-bos-taurus-taurus-and-nellore-bos-taurus-indicus-cattle-through-a-proteomic-and-phosphoproteomic-approach
#1
Rafael Torres de Souza Rodrigues, Mario Luiz Chizzotti, Camilo Elber Vital, Maria Cristina Baracat-Pereira, Edvaldo Barros, Karina Costa Busato, Rafael Aparecido Gomes, Márcio Machado Ladeira, Taiane da Silva Martins
Proteins are the major constituents of muscle and are key molecules regulating the metabolic changes during conversion of muscle to meat. Brazil is one of the largest exporters of beef and most Brazilian cattle are composed by zebu (Nellore) genotype. Bos indicus beef is generally leaner and tougher than Bos taurus such as Angus. The aim of this study was to compare the muscle proteomic and phosphoproteomic profile of Angus and Nellore. Seven animals of each breed previously subjected the same growth management were confined for 84 days...
2017: PloS One
https://www.readbyqxmd.com/read/28102731/microfluidic-whole-blood-testing-of-platelet-response-to-pharmacological-agents
#2
Ruizhi Li, Tilo Grosser, Scott L Diamond
Platelets present a number of intracellular and transmembrane targets subject to pharmacological modulation, either for cardiovascular disease reduction or as an unintended drug response. Microfluidic devices allow human blood to clot on a defined surface under controlled hemodynamic and pharmacological conditions. The potencies of a number of antiplatelet and anticancer drugs have been tested with respect to platelet deposition on collagen under flow. Inhibitors of cyclooxygenase-1 (COX-1) reduce platelet deposition, either when added ex vivo to blood or ingested orally by patients prior to testing...
January 19, 2017: Platelets
https://www.readbyqxmd.com/read/28100901/pancreas-transplant-with-duodeno-duodenostomy-and-caval-drainage-using-a-diamond-patch-graft-a-single-center-experience
#3
Je Ho Ryu, Tae Beom Lee, Young Mok Park, Kwang Ho Yang, Chong Woo Chu, Jung Hee Lee, Taeun Kim, Byung Hyun Choi
BACKGROUND The surgical technique used in pancreas transplant is essential for patient safety and graft survival, and problems exist with conventional strategies. When enteric exocrine drainage is performed, there is no method of immunologic monitoring other than direct graft pancreas biopsy. The most common cause of early graft failure is graft thrombosis, and adequate preventive and treatment strategies are unclear. To overcome these disadvantages, we suggest a modified surgical technique. MATERIAL AND METHODS Eleven patients underwent pancreas transplant with our modified technique...
January 19, 2017: Annals of Transplantation: Quarterly of the Polish Transplantation Society
https://www.readbyqxmd.com/read/28099805/the-importance-of-cannizzaro-type-reactions-during-electrocatalytic-reduction-of-carbon-dioxide
#4
Yuvraj Y Birdja, Marc T M Koper
A seemingly catalytic inactive electrode as boron doped diamond is found to be active for CO2 and CO reduction to formaldehyde and even methane. At very cathodic potentials formic acid and methanol are formed as well. However, these products are the result of base-catalyzed Cannizzaro-type disproportionation reactions. A local alkaline environment near the electrode surface, caused by the hydrogen evolution reaction, initiates aldehyde disproportionation promoted by hydroxide ions, which leads to the formation of the corresponding carboxylic acid and alcohol...
January 18, 2017: Journal of the American Chemical Society
https://www.readbyqxmd.com/read/28099036/another-generation-of-stigma-assessing-healthcare-student-perceptions-of-hiv-positive-patients-in-mwanza-tanzania
#5
Sahil Aggarwal, Debora H Lee, William B Minteer, Reece T H Fenning, Shella K Raja, Megan E Bernstein, Kaavya R Raman, Sean P Denny, Priya A Patel, Mark Lieber, Allison O Farfel, Catherine A Diamond
HIV-related stigma remains a persistent global health concern among people living with HIV/AIDS (PLWA) in developing nations. The literature is lacking in studies about healthcare students' perceptions of PLWA. This study is the first effort to understand stigmatizing attitudes toward HIV-positive patients by healthcare students in Mwanza, Tanzania, not just those who will be directly treating patients but also those who will be indirectly involved through nonclinical roles, such as handling patient specimens and private health information...
January 18, 2017: AIDS Patient Care and STDs
https://www.readbyqxmd.com/read/28097924/enhancing-the-performance-of-electro-peroxone-by-incorporation-of-uv-irradiation-and-bdd-anodes
#6
Nasr Bensalah, Ahmed Bedoui
In this work, the treatment of 4-nitrophenol (NP) in water by ozonation, electrolysis, electro-peroxone (EP), and photo-electro-peroxone (PEP) processes was investigated. PEP process is based on the combination of ozonation, UV irradiation, and electrolysis using carbon felt cathode and Boron Doped Diamond (BDD) anode. In this process, H2O2 is electrochemically generated from reduction of O2 in the ozone generator effluent at a carbon felt cathode. The insitu generated H2O2 is simultaneously decomposed by UV- photolysis and by reaction with O3 to form HO(-) radicals that can rapidly and non-selectively oxidize organic pollutants...
January 18, 2017: Environmental Technology
https://www.readbyqxmd.com/read/28097234/kruppel-like-factor4-regulates-prdm1-expression-through-binding-to-an-autoimmune-risk-allele
#7
Su Hwa Jang, Helen Chen, Peter K Gregersen, Betty Diamond, Sun Jung Kim
A SNP identified as rs548234, which is found in PRDM1, the gene that encodes BLIMP1, is a risk allele associated with systemic lupus erythematosus (SLE). BLIMP1 expression was reported to be decreased in women with the PRDM1 rs548234 risk allele compared with women with the nonrisk allele in monocyte-derived DCs (MO-DCs). In this study, we demonstrate that BLIMP1 expression is regulated by the binding of Kruppel-like factor 4 (KLF4) to the risk SNP. KLF4 is highly expressed in MO-DCs but undetectable in B cells, consistent with the lack of altered expression of BLIMP1 in B cells from risk SNP carriers...
January 12, 2017: JCI Insight
https://www.readbyqxmd.com/read/28094504/the-2-fold-interpenetrating-bifunctional-cd-mofs-high-selective-adsorption-for-co2-and-sensitive-luminescent-sensing-of-nitro-aromatic-2-4-6-trinitrophenol
#8
Xu-Jia Hong, Qin Wei, Yuepeng Cai, Sheng-Run Zheng, Ying Yu, Yan-Zhong Fan, Xianyan Xu, Liping Si
A robust primitive diamond-type topology 3-D MOF of {[Cd4(hbhdpy)2(bdc)3(DMA)2]•(H2O)4}n (1, DMA = N,N-dimethylacetamide) was constructed from the planar secondary building units of the dinuclear cadmium clusters, Cd2(µ2-O)2, and two linear organic linkers of the new multidentate Schiff base of 4-(2-hydroxy-3-methoxy-benzyli-denehydrazino-carbonyl)-N-pyridin-4-yl-benzamide (Hhbhdpy) through the solvothermal reaction. 1 presents a 2-fold interpenetrating network along with confined narrow channels and rich acylamide groups as well as potential metal open sites for excellent selective CO2 uptake over CH4/N2 and high luminescent response for 2,4,6-trinitrophenol (TNP) in DMA solution under ambient conditions...
January 17, 2017: ACS Applied Materials & Interfaces
https://www.readbyqxmd.com/read/28091625/mplex-a-method-for-simultaneous-pathogen-inactivation-and-extraction-of-samples-for-multi-omics-profiling
#9
Kristin E Burnum-Johnson, Jennifer E Kyle, Amie J Eisfeld, Cameron P Casey, Kelly G Stratton, Juan F Gonzalez, Fabien Habyarimana, Nicholas M Negretti, Amy C Sims, Sadhana Chauhan, Larissa B Thackray, Peter J Halfmann, Kevin B Walters, Young-Mo Kim, Erika M Zink, Carrie D Nicora, Karl K Weitz, Bobbie-Jo M Webb-Robertson, Ernesto S Nakayasu, Brian Ahmer, Michael E Konkel, Vladimir Motin, Ralph S Baric, Michael S Diamond, Yoshihiro Kawaoka, Katrina M Waters, Richard D Smith, Thomas O Metz
The continued emergence and spread of infectious agents is of great concern, and systems biology approaches to infectious disease research can advance our understanding of host-pathogen relationships and facilitate the development of new therapies and vaccines. Molecular characterization of infectious samples outside of appropriate biosafety containment can take place only subsequent to pathogen inactivation. Herein, we describe a modified Folch extraction using chloroform/methanol that facilitates the molecular characterization of infectious samples by enabling simultaneous pathogen inactivation and extraction of proteins, metabolites, and lipids for subsequent mass spectrometry-based multi-omics measurements...
January 16, 2017: Analyst
https://www.readbyqxmd.com/read/28089605/commentary-to-urinary-continence-outcome-following-vaginoplasty-in-patients-with-congenital-adrenal-hyperplasia
#10
David A Diamond
No abstract text is available yet for this article.
December 11, 2016: Journal of Pediatric Urology
https://www.readbyqxmd.com/read/28089575/association-of-uterine-fibroids-and-pregnancy-outcomes-after-ovarian-stimulation-intrauterine-insemination-for-unexplained-infertility
#11
Aaron K Styer, Susan Jin, Dan Liu, Baisong Wang, Alex J Polotsky, Mindy S Christianson, Wendy Vitek, Lawrence Engmann, Karl Hansen, Robert Wild, Richard S Legro, Christos Coutifaris, Ruben Alvero, Randal D Robinson, Peter Casson, Gregory M Christman, Alicia Christy, Michael P Diamond, Esther Eisenberg, Heping Zhang, Nanette Santoro
OBJECTIVE: To investigate the association of non-cavity-distorting uterine fibroids and pregnancy outcomes after ovarian stimulation-intrauterine insemination (OS-IUI) in couples with unexplained infertility. DESIGN: Secondary analysis from a prospective, randomized, multicenter clinical trial investigating fertility outcomes after OS-IUI. SETTING: Reproductive Medicine Network clinical sites. PATIENT(S): Nine hundred couples with unexplained infertility who participated in the Assessment of Multiple Intrauterine Gestations from Ovarian Stimulation (AMIGOS) clinical trial...
January 12, 2017: Fertility and Sterility
https://www.readbyqxmd.com/read/28089394/grinding-damage-assessment-for-cad-cam-restorative-materials
#12
Philippe Curran, Maria Cattani-Lorente, H W Anselm Wiskott, Stéphane Durual, Susanne S Scherrer
OBJECTIVES: To assess surface/subsurface damage after grinding with diamond discs on five CAD-CAM restorative materials and to estimate potential losses in strength based on crack size measurements of the generated damage. METHODS: The materials tested were: Lithium disilicate (LIT) glass-ceramic (e.max CAD), leucite glass-ceramic (LEU) (Empress CAD), feldspar ceramic (VM2) (Vita Mark II), feldspar ceramic-resin infiltrated (EN) (Enamic) and a composite reinforced with nano ceramics (LU) (Lava Ultimate)...
January 12, 2017: Dental Materials: Official Publication of the Academy of Dental Materials
https://www.readbyqxmd.com/read/28087408/effects-of-loading-concentration-blood-and-synovial-fluid-on-antibiotic-release-and-anti-biofilm-activity-of-bone-cement-beads
#13
Devendra Dusane, Scott Diamond, Cory Knecht, Nicholas Farrar, Casey Peters, Robert Howlin, Matthew Swearingen, Jason Calhoun, Roger D Plaut, Tanya Nocera, Jeffrey Granger, Paul Stoodley
Antibiotic loaded cement beads are commonly used for the treatment of biofilm related orthopaedic periprosthetic infections; however the effects of antibiotic loading and exposure of beads to body fluids on release kinetics are unclear. The purpose of this study was to determine the effects of (i) antibiotic loading density (ii) loading amount (iii) material type and (iv) exposure to body fluids (blood or synovial fluid) on release kinetics and efficacy of antibiotics against planktonic and lawn biofilm bacteria...
January 10, 2017: Journal of Controlled Release: Official Journal of the Controlled Release Society
https://www.readbyqxmd.com/read/28087256/manganese-superoxide-dismutase-and-glutathione-peroxidase-1-contribute-to-the-rise-and-fall-of-mitochondrial-reactive-oxygen-species-which-drive-oncogenesis
#14
REVIEW
Dede N Ekoue, Chenxia He, Alan M Diamond, Marcelo G Bonini
Reactive oxygen species (ROS) largely originating in the mitochondria play essential roles in the metabolic and (epi)genetic reprogramming of cancer cell evolution towards more aggressive phenotypes. Recent studies have indicated that the activity of superoxide dismutase (SOD2) may promote tumor progression by serving as a source of hydrogen peroxide (H2O2). H2O2 is a form of ROS that is particularly active as a redox agent affecting cell signaling due to its ability to freely diffuse out of the mitochondria and alter redox active amino acid residues on regulatory proteins...
January 10, 2017: Biochimica et Biophysica Acta
https://www.readbyqxmd.com/read/28086895/design-optimization-of-stent-and-its-dilatation-balloon-using-kriging-surrogate-model
#15
Hongxia Li, Tao Liu, Minjie Wang, Danyang Zhao, Aike Qiao, Xue Wang, Junfeng Gu, Zheng Li, Bao Zhu
BACKGROUND: Although stents have great success of treating cardiovascular disease, it actually undermined by the in-stent restenosis and their long-term fatigue failure. The geometry of stent affects its service performance and ultimately affects its fatigue life. Besides, improper length of balloon leads to transient mechanical injury to the vessel wall and in-stent restenosis. Conventional optimization method of stent and its dilatation balloon by comparing several designs and choosing the best one as the optimal design cannot find the global optimal design in the design space...
January 11, 2017: Biomedical Engineering Online
https://www.readbyqxmd.com/read/28081442/mapping-and-role-of-the-cd8-t-cell-response-during-primary-zika-virus-infection-in-mice
#16
Annie Elong Ngono, Edward A Vizcarra, William W Tang, Nicholas Sheets, Yunichel Joo, Kenneth Kim, Matthew J Gorman, Michael S Diamond, Sujan Shresta
CD8(+) T cells may play a dual role in protection against and pathogenesis of flaviviruses, including Zika virus (ZIKV). We evaluated the CD8(+) T cell response in ZIKV-infected LysMCre(+)IFNAR(fl/fl) C57BL/6 (H-2(b)) mice lacking the type I interferon receptor in a subset of myeloid cells. In total, 26 and 15 CD8(+) T cell-reactive peptides for ZIKV African (MR766) and Asian (FSS13025) lineage strains, respectively, were identified and validated. CD8(+) T cells from infected mice were polyfunctional and mediated cytotoxicity...
January 11, 2017: Cell Host & Microbe
https://www.readbyqxmd.com/read/28077639/identification-of-a-continuous-neutralizing-epitope-within-ul128-of-human-cytomegalovirus
#17
Flavia Chiuppesi, Teodora Kaltcheva, Meng Zhuo, Peter A Barry, Don J Diamond, Felix Wussow
: As human cytomegalovirus (HCMV) is the most common infectious cause of fetal anomalies during pregnancy, developing a vaccine that prevents HCMV infection is considered a global health priority. Although HCMV immune correlates of protection are only poorly defined, neutralizing antibodies (NAb) targeting the envelope pentamer complex (PC) composed of subunits gH, gL, UL128, UL130, and UL131A are thought to contribute in preventing HCMV infection. Here, we describe a continuous target sequence within UL128 that is recognized by a previously isolated potent PC-specific NAb, termed 13B5...
January 11, 2017: Journal of Virology
https://www.readbyqxmd.com/read/28077630/mavs-is-essential-for-primary-cd4-t-cell-immunity-but-not-for-recall-t-cell-responses-following-an-attenuated-west-nile-virus-infection
#18
Huanle Luo, Evandro Winkelmann, Guorui Xie, Rong Fang, Bi-Hung Peng, Li Li, Helen M Lazear, Slobodan Paessler, Michael S Diamond, Michael Gale, Alan D Barrett, Tian Wang
: The use of pathogen recognition receptor (PRR) agonists and the molecular mechanisms involved have been the major focus of research in individual vaccine development. West Nile virus (WNV) nonstructural (NS) 4B-P38G mutant has several features for an ideal vaccine candidate, including significantly reduced neuroinvasiveness, induction of strong adaptive immunity, and protection of mice from wild-type (WT) WNV infection. Here, we determined the role of mitochondrial antiviral-signaling (MAVS), the adaptor protein for RIG-I like receptor in regulating host immunity against the NS4B-P38G vaccine...
January 11, 2017: Journal of Virology
https://www.readbyqxmd.com/read/28077209/residual-compressive-surface-stress-increases-the-bending-strength-of-dental-zirconia
#19
Masanao Inokoshi, Fei Zhang, Kim Vanmeensel, Jan De Munck, Shunsuke Minakuchi, Ignace Naert, Jozef Vleugels, Bart Van Meerbeek
OBJECTIVE: To assess the influence of surface treatment and thermal annealing on the four-point bending strength of two ground dental zirconia grades. METHODS: Fully-sintered zirconia specimens (4.0×3.0×45.0mm(3)) of Y-TZP zirconia (LAVA Plus, 3M ESPE) and Y-TZP/Al2O3 zirconia (ZirTough, Kuraray Noritake) were subjected to four surface treatments: (1) 'GROUND': all surfaces were ground with a diamond-coated grinding wheel on a grinding machine; (2) 'GROUND+HEAT': (1) followed by annealing at 1100°C for 30min; (3) 'GROUND+Al2O3 SANDBLASTED': (1) followed by sandblasting using Al2O3; (4) 'GROUND+CoJet SANDBLASTED': (1) followed by tribochemical silica (CoJet) sandblasting...
January 8, 2017: Dental Materials: Official Publication of the Academy of Dental Materials
https://www.readbyqxmd.com/read/28075562/evidence-for-a-di-%C3%A2%C2%B5-oxo-diamond-core-in-the-mn-iv-fe-iv-activation-intermediate-of-ribonucleotide-reductase-from-chlamydia-trachomatis
#20
Ryan J Martinie, Elizabeth J Blaesi, Carsten Krebs, J Martin Bollinger, Alexey Silakov, Christopher J Pollock
High-valent iron and manganese complexes effect some of the most challenging biochemical reactions known, including hydrocarbon and water oxidations associated with the global carbon cycle and oxygenic photosynthesis, respectively. Their extreme reactivity presents an impediment to structural characterization, but their biological importance and potential chemical utility have, nevertheless, motivated extensive efforts toward that end. Several such intermediates accumulate during activation of class I ribonucleotide reductase (RNR) β subunits, which self-assemble dimetal cofactors with stable one-electron oxidants that serve to initiate the enzyme's free-radical mechanism...
January 11, 2017: Journal of the American Chemical Society
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