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62篇 您的检索式:作者名="Edgar A S"
    题名 作者 年代 出处 被引量
1Advances in cellulose ester performance and application显示文摘Kevin J Edgar Charles M Buchanan John S Debenham Paul A Rundquist Brian D Seiler Michael C Shelton Debra Tindall 2001Progress in Polymer Science2001,,9:2
2Progress in structural materials for aerospace systems 显示文摘James C W Edgar A S 2003Acta Materialia2003,51,:1
3Run-to-run control and performance monitoring of overlay in semiconductor manufacturing 显示文摘BODE C A KO B S EDGAR T F 2004Control Engineering Practice2004,12,7:1
4Effects of Eimeria mitis on egg pro- duction of Single-Comb White Leghorn hens 显示文摘Fitz-Coy S H and Edgar S A 1992Avain Diseases1992,36,:1
5Reduced intestinal absorption in broilers during Eimeria mitis infection 显示文摘Ruff M D and Edgar S A 1982Am J Vet Res1982,43,3:1
6Design robust nonlinear controllers for autonomous underwater vehicle with comparison simulated and at-sea test data显示文摘SONG Fei-jun Edgar A N SMITH S M 2002Journal of vibration and control2002,,8:1
7HP0953-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 2022World Journal of Gastroenterology2022,28,29:1
8Photoluminescence and crystallization in europium-doped fluorobromozirconate glass-ceramics显示文摘Edgar A Schweizer S Assmann S 2001Journal of Non-Crystalline Solids2001,284,3:1
9Semireusable launch vehicle: a next-generation launch vehicle 显示文摘Edgar A S 2001J of Spacecraft and Rockets2001,38,3:1
10Progress in structural materials for aerospace systems 显示文摘JAMES C W EDGAR A S 2003Acta Mater2003,51,:1
11The effect of ambient lighton QLF analyses 显示文摘PRETTY I A EDGAR W M HIGHAM S M 2002J Oral Rehabil2002,29,4:1
12Stable coccidiosis immunization显示文摘Edgar S A 1964US Patent1964,3,5:1
13What does it cost to produce a click 显示文摘Edgar S A 1973Poultry Digest1973,32,:1
14Vibrational analysis of the dioctahedral mica: 2M1 muscovite 显示文摘Mckeown D A Bell M I and Edgar S E American Mineralogist0,84,:1
15Taurine status in cats is not maintained by dietary cysteinesulfinic acid显示文摘Edgar S E Claudia A K Quinton R R 1998J Nutr1998,128,:1
16Lung function and airway inflammation in rats following exposure to combustion products of carbon-graphite/epoxy composite material: comparison to a rodent model of acute lung injury显示文摘Gregory S Whitehead Keith A Grasman Edgar C Kimmel 2003Toxicology2003,183,13:1
17Dietary cysteic acid serves as a precursor of taurine for cats显示文摘Edgar S E Mary A H Melanie M M 1994J Nutr1994,124,:1
18Core outcomes for adult burn survivors: a clinical overview 显示文摘Falder S Browne A Edgar D 2009Burns2009,35,5:1
19Effects of diabetes on oxidative and nitrosative stress in kidney mitochondria from aged rats显示文摘Rocío V. Pérez-Gallardo Ruth Noriega-Cisneros Edgar Esquivel-Gutiérrez Elizabeth Calderón-Cortés Christian Cortés-Rojo Salvador Manzo-Avalos Jesús Campos-García Rafael Salgado-Garciglia Rocío Montoya-Pérez Istvan Boldogh Alfredo Saavedra-Molina 2014Journal of Bioenergetics and Biomembranes2014,,6:1
20Progress in structural materials for aerospace systems 显示文摘WILLIAMS J C EDGAR A S J 2003Acta Materialia2003,59,:1
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