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| 1 | Animals as sources of food-borne pathogens: A review显示文摘Food-producing animals are the major reservoirs for many foodborne pathogens such as Campylobacter species, non-Typhi serotypes of Salmonella enterica, Shiga toxin-producing strains of Escherichia coli, and Listeria monocytogenes. The zoonotic potential of foodborne pathogens and their ability to produce toxins causing diseases or even death are sufficient to recognize the seriousness of the situation. This manuscript reviews the evidence that links animals as vehicles of the foodborne pathogens Salmonella,Campylobacter, Shiga toxigenic E. coli, and L. monocytogenes, their impact, and their current status. We conclude that these pathogenic bacteria will continue causing outbreaks and deaths throughout the world, because no effective interventions have eliminated them from animals and food. | Norma Heredia Santos García | 2018 | Animal Nutrition2018,,3: | 14 |
| 2 | Factors predicting adverse short-term outcomes in patients with acute cholangitis undergoing ERCP: A single center experience显示文摘AIM: To identify potential factors that can predict adverse short-term outcomes in patients with acute cholangitis undergoing endoscopic retrograde cholangiopancreatography(ERCP). METHODS: Retrospective analysis of consecutive patients admitted to our center for acute cholangitis and underwent ERCP from 2001 to 2012. Involvement of two or more organ systems was termed as organ failure(OF). Cardiovascular failure was defined based on a systolic blood pressure of < 90 mmHg despite fluid replacement and/or requiring vasopressor treatment; respiratory failure if the Pa02 /Fi02 ratio was < 300 mmHg and/or required mechanical ventilation; coagulopathy if the platelet count was < 80; and renal insufficiency if serum creatinine was > 1.9 mg/dL. Variables associated with short term adverse clinical outcomes defined as persistent OF and/or 30-d mortality was determined. RESULTS: A total of 172 patients(median age 62 years, 56.4% female) were included. The median door to ERCP time was 17 h. Bile duct stones were the most common etiology(n = 67, 39.2%). In multivariate analysis, factors that were independently associated with persistent OF and/or 30-d mortality included American Society of Anesthesiology(ASA) physical classification score > 3(OR = 7.70; 95%CI: 2.73-24.40), presence of systemic inflammatory response syndrome(OR = 3.67; 95%CI: 1.34-10.3) and door to ERCP time greater than 72 h(OR = 3.36; 95%CI: 1.12-10.20). Door to ERCP time greater than 72 h was also associated with 70% increase in the mean length of stay(P < 0.001). Every one point increase in the ASA physical classification and every 1 mg/dL increase in the preERCP bilirubin level was associated with a 34% and 2% increase in the mean length of hospital stay, respectively. Transfer status did not impact clinical outcomes. CONCLUSION: Higher ASA physical classification and delays in ERCP are associated with adverse clinical outcomes and prolonged length of hospital stay in patients with acute cholangitis undergoing ERCP. | Udayakumar Navaneethan Norma G Gutierrez Ramprasad Jegadeesan Preethi GK Venkatesh Madhusudhan R Sanaka John J Vargo Mansour A Parsi | 2014 | World Journal of Gastrointestinal Endoscopy2014,6,3: | 7 |
| 3 | Protective action of glutamine in rats with severe acute liver failure显示文摘BACKGROUND Severe acute liver failure(SALF) is a rare, but high-mortality, rapidly evolving syndrome that leads to hepatocyte degeneration with impaired liver function.Thioacetamide(TAA) is a known xenobiotic, which promotes the increase of the formation of reactive oxygen species. Erythroid 2-related factor 2(Nrf2) activates the antioxidant protection of cells. Studies have evidenced the involvement of inflammatory mediators in conditions of oxidative stress.AIM To evaluate the antioxidant effects of glutamine on Nrf2 activation and NFκBmediated inflammation in rats with TAA-induced IHAG.METHODS Male Wistar rats(n = 28) were divided into four groups: control,control+glutamine, TAA, and TAA + glutamine. Two TAA doses(400 mg/kg)were administered intraperitoneally, 8 h apart. Glutamine(25 mg/kg) was administered at 30 min, 24 h, and 36 h. At 48 h, blood was collected for liver integrity analysis [aspartate aminotransferase(AST), alanine aminotransferase(ALT), and alkaline phosphatase(ALP)]. The liver was harvested for histology and assessment of oxidative stress [thiobarbituric acid-reactive substances(TBARS), catalase(CAT), glutathione peroxidase(GPx), glutathione S-transferase(GST), glutathione(GSH), Nrf2, Kelch-like ECH-associated protein 1(Keap1),NADPH quinone oxidoreductase1(NQO1), superoxide dismutase(SOD)] and inflammatory process.RESULTS TAA caused disruption of the hepatic parenchyma, with inflammatoryinfiltration, massive necrosis, and ballooning degeneration. Glutamine mitigated this tissue damage, with visible regeneration of hepatic parenchyma; decreased TBARS(P < 0.001), GSH(P < 0.01), IL-1β, IL6, and TNFα levels(P <0.01) in hepatic tissue; and decreased blood levels of AST, ALT, and ALP(P <0.05). In addition, CAT, GPx, and GST activities were restored in the glutamine group(P<0.01, P <0.01, and P <0.001, respectively vs TAA alone). Glutamine increased expression of Nrf2(P < 0.05), NQO1, and SOD(P < 0.01), as well as levels of IL-10(P <0.001), while decreasing expression of Keap1, TLR4, NFκB(P < 0.001), COX-2 and iNOS,(P < 0.01), and reducing NO_2 and NO_3 levels(P < 0.05).CONCLUSION In the TAA experimental model of IHAG, glutamine activated the Nrf2 pathway,thus promoting antioxidant protection, and blunted the NFκB-mediated pathway, reducing inflammation. | Elizangela G Schemitt Renata M Hartmann Josieli R Colares Francielli Licks Jéferson O Salvi Cláudio A Marroni Norma P Marroni | 2019 | World Journal of Hepatology2019,11,3: | 5 |
| 4 | 循证医学 误用漏斗图的案例分析显示文摘本文要点应该使用严格的标准对循证医学中使用的方法进行评价用于检验发表偏倚的漏斗图在系统性文献综述中应用广泛漏斗图的不对称性,无论是直观上看到的或统计学检验发现的。 | Joseph Lau John P A Ioannidis Norma Terrin Christopher H Schmid Ingram Olkin 谢朝晖 | 2007 | 英国医学杂志中文版2007,10,3: | 1 |
| 5 | The effect of early age feed restriction on subsequent response to high environmental temperatures in female broiler chickens显示文摘 | ZULKIFLI I CHE NORMA M T ISRAF D A | 2000 | Poultry Science2000,79,10: | 1 |
| 6 | Rheology of particle suspensions in viscoelastic media. Wood flour-polypropylene melt显示文摘 | Norma E. Marcovich María M. Reboredo José Kenny Mirta I. Aranguren | 2004 | Rheologica Acta2004,,3: | 1 |
| 7 | HP0953-hypothetical virulence factor overexpresion and localization during Helicobacter pylori infection of gastric epithelium显示文摘BACKGROUND The high prevalence and persistence of Helicobacter pylori(H. pylori) infection, as well as the diversity of pathologies related to it, suggest that the virulence factors used by this microorganism are varied. Moreover, as its proteome contains 340hypothetical proteins, it is important to investigate them to completely understand the mechanisms of its virulence and survival. We have previously reported that the hypothetical protein HP0953 is overexpressed during the first hours of adhesion to inert surfaces, under stress conditions, suggesting its role in the environmental survival of this bacterium and perhaps as a virulence factor.AIM To investigate the expression and localization of HP0953 during adhesion to an inert surface and against gastric(AGS) cells.METHODS Expression analysis was performed for HP0953 during H. pylori adhesion. HP0953 expression at 0,3, 12, 24, and 48 h was evaluated and compared using the Kruskal-Wallis equality-of-populations rank test. Recombinant protein was produced and used to obtain polyclonal antibodies for immunolocalization. Immunogold technique was performed on bacterial sections during adherence to inert surfaces and AGS cells, which was analyzed by transmission electron microscopy. HP0953 protein sequence was analyzed to predict the presence of a signal peptide and transmembrane helices, both provided by the ExPASy platform, and using the GLYCOPP platform for glycosylation sites. Different programs, via, I-TASSER, RaptorX, and HHalign-Kbest, were used to perform three-dimensional modeling.RESULTS HP0953 exhibited its maximum expression at 12 h of infection in gastric epithelium cells.Immunogold technique revealed HP0953 localization in the cytoplasm and accumulation in some peripheral areas of the bacterial body, with greater expression when it is close to AGS cells.Bioinformatics analysis revealed the presence of a signal peptide that interacts with the transmembrane region and then allows the release of the protein to the external environment. The programs also showed a similarity with the Tip-alpha protein of H. pylori. Tip-alpha is an exotoxin that penetrates cells and induces tumor necrosis factor alpha production, and HP0953 could have a similar function as posttranslational modification sites were found;modifications in turn require enzymes located in eukaryotic cells. Thus, to be functional, HP0953 may necessarily need to be translocated inside the cell where it can trigger different mechanisms producing cellular damage.CONCLUSION The location of HP0953 around infected cells, the probable posttranslational modifications, and its similarity to an exotoxin suggest that this protein is a virulence factor. | Nancy K Arteaga-Resendiz Gerardo E Rodea Rosa María Ribas-Aparicio Alma L Olivares-Cervantes Juan Arturo Castelán-Vega Joséde Jesús Olivares-Trejo Sandra Mendoza-Elizalde Edgar O López-Villegas Christian Colín Pamela Aguilar-Rodea Alfonso Reyes-López Marcela Salazar García Norma Velázquez-Guadarrama | 2022 | World Journal of Gastroenterology2022,28,29: | 1 |
| 8 | Quercetin prevents oxidative stress and NF-κB activation in gastric mucosa of portal hypertensive rats显示文摘 | Andrea J. Moreira Christina Fraga María Alonso Pilar S. Collado Claudio Zetller Claudio Marroni Norma Marroni Javier González-Gallego | 2004 | Biochemical Pharmacology2004,,10: | 1 |
| 9 | Warmed-over flavour analysis in low temperaturelong time processed meat by an 'electronic nose'显示文摘 | Gabriela M Grigioni Carlos A Margaria Norma A Pensel | 2000 | Meat Science2000,56,: | 1 |
| 10 | A review of the biology and epidemiology of cryptosporidiosis in humans and animals显示文摘 | Norma E Ramirez Lucy A Ward Srinand Sreevatsan | 2004 | Microbes and Infection2004,,8: | 1 |
| 11 | Nematicidal activity of the essential oils of several argentina plants against the root-knot nematode显示文摘 | Claudia B D Angelica N M Norma V A | 2004 | Journal of Essential Oil Research2004,16,6: | 1 |
| 12 | Nematicidal Activity of the 'Essential Oils of Several Argentina Plants Against the Root-Knot Nematode显示文摘 | Claudia B D Angelica N M Norma V A | 2004 | Journal of Essential Oil Research2004,16,6: | 1 |
| 13 | Oliver gastric residual volume and aspiration in critically ill patients receiving gastric feedings显示文摘 | Norma A Metheny L S Dana A | 2008 | Am J Crit Care2008,17,6: | 1 |
| 14 | Thermal and Mechanical Characterization of Liner Low Density Polyethylene/Wood Flour Composites 显示文摘 | MARCOVICH Norma E VILLAR Marcelo A | 2003 | Journal of Applied Polymer Science2003,90,10: | 1 |
| 15 | Nematicidal activity of the essential oils of several argentina plants against the root - knot nematode 显示文摘 | Claudia B D Angelica N M Norma V A | 2004 | Journal of Essential Oil Research2004,16,6: | 1 |
| 16 | Nematicidal Activity of the Essential Oils of Several Argentina Plants Against the Root-Knot Nematode显示文摘 | Claudia B D Angelica N M Norma V A | 2004 | Journal of Essential Oil Research2004,16,6: | 1 |
| 17 | Caseinate films modified with tung oil显示文摘 | Mariana P Mirtai A Normae M | 2010 | Food Hydrocolloids2010,24,8: | 1 |
| 18 | Helicobacter pylori secretes the chaperonin GroEL (HSP60), which binds iron显示文摘 | Marco Antonio González-López Norma Velázquez-Guadarrama María Elena Romero-Espejel< !--Q2: Please check all affiliations and correct if necessary.--> José de Jesús Olivares-Trejo | 2013 | FEBS Letters2013,,12: | 1 |
| 19 | Pollen Tube Growth in Mandarin显示文摘 | Norma L G A Ediberto A G Ana M C G | 2004 | Revista Fitotecnia Mexicana2004,27,2: | 1 |
| 20 | Metabolic profiles of sunflower genotypes with contrasting response to Sclerotinia sclerotiorum infection显示文摘 | Peluffo L Lia V Troglia C Maringolo C Norma P Escande A Esteban Hopp H Lytovchenko A Fernie A R Heinz R Carrari F | 2010 | Phytochemistry2010,71,1: | 1 |