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82篇 您的检索式:作者名="P Walker V"
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1Macrophage secretory products induce an inflammatory phenotype in hepatocytes显示文摘AIM:To investigate the influence of macrophages on hepatocyte phenotype and function.METHODS:Macrophages were differentiated from THP-1 monocytes via phorbol myristate acetate stimulation and the effects of monocyte or macrophageconditioned medium on HepG2 mRNA and protein expression determined.The in vivo relevance of these findings was confirmed using liver biopsies from 147 patients with hepatitis C virus(HCV)infection.RESULTS:Conditioned media from macrophages,but not monocytes,induced a transient morphological change in hepatocytes associated with upregulation of vimentin(7.8±2.5-fold,P=0.045)and transforming growth factor(TGF)-β1(2.6±0.2-fold,P<0.001)and downregulation of epithelial cadherin(1.7±0.02-fold,P=0.017)mRNA expression.Microarray analysis revealed significant upregulation of lipocalin-2(17-fold,P <0.001)and pathways associated with inflammation,and substantial downregulation of pathways related to hepatocyte function.In patients with chronic HCV,realtime polymerase chain reaction and immunohistochemistry confirmed an increase in lipocalin-2 mRNA(F0 1.0 ±0.3,F1 2.2±0.2,F2 3.0±9.3,F3/4 4.0±0.8,P= 0.003)and protein expression(F1 1.0±0.5,F2 1.3± 0.4,F3/4 3.6±0.4,P=0.014)with increasing liver injury.High performance liquid chromatography-tandem mass spectrometry analysis identified elevated levels of matrix metalloproteinase(MMP)-9 in macrophageconditioned medium,and a chemical inhibitor of MMP-9 attenuated the change in morphology and mRNA expression of TGF-β1(2.9±0.2 vs 1.04±0.1,P<0.001) in macrophage-conditioned media treated HepG2 cells.In patients with chronic HCV infection,hepatic mRNA expression of CD163(F0 1.0±0.2,F1/2 2.8±0.3,F3/4 5.3±1.0,P=0.001)and MMP-9(F0 1.0±0.4,F1/2 2.8±0.3,F3/4 4.1±0.8,P=0.011)was significantly associated with increasing stage of fibrosis.CONCLUSION:Secreted macrophage products alter the phenotype and function of hepatocytes,with increased expression of inflammatory mediators,suggesting that hepatocytes actively participate in liver injury.Michelle Melino Victoria L Gadd Gene V Walker Richard Skoien Helen D Barrie Dinesh Jothimani Leigh Horsfall Alun Jones Matthew J Sweet Gethin P Thomas Andrew D Clouston Julie R Jonsson Elizabeth E Powell 2012World Journal of Gastroenterology2012,18,15:3
2Atmospheric transport and wet deposition of ammonium in North Carolina 显示文摘Walker J T Aneja V P Dickey D A 2000Atmospheric Environment2000,34,20:1
3Grid: a service-oriented model for the Semantic Grid显示文摘Li M A Santen P V Walker D W 2004Future Generation Computer Systems2004,20,:1
4Synthesis and size control of gold nanoparticles stabilized by poly(methyl- phenylphosphazene)显示文摘Walker C H John J V S Wisian Neilson P 2001J Am Chem Soc2001,123,16:1
5Viral disease emergence in shrimp aquaculture:Origins,impact and the effectiveness of health management strategies显示文摘WALKER P J MONAN C V 2009Reviews in aouacultur2009,1,2:1
6Genetic variation in cyclooxygenase 1:effects on response to aspirin显示文摘Halushka M K Walker L P Halushka P V 2003Clin Pharmacol Ther2003,73,1:1
7The major genetic determinants of HIV-1control affect HLA class I peptide presentation显示文摘International HIV Controllers Study Pereyra F Jia X McLaren P J Telenti A de Bakker P I Walker B D Ripke S Brumme C J Pulit S L Carrington M Kadie C M Carlson J M Heckerman D Graham R R Plenge R M Deeks S G Gianniny L Crawford G Sullivan J Gonzalez E Davies L Camargo A Moore JM Beattie N Gupta S Crenshaw A Burtt N P Guiducci C Gupta N Gao X Qi Y Yuki Y Piechocka-Trocha A Cutrell E Rosenberg R Moss K L Lemay P O'Leary J Schaefer T Verma P Toth I Block B Baker B Rothchild A Lian J Proudfoot J Alvino D M Vine S Addo M M Allen T M Altfeld M Henn M R Le Gall S Streeck H Haas D W Kuritzkes D R Robbins G K Shafer R W Gulick R M Shikuma C M Haubrich R Riddler S Sax P E Daar E S Ribaudo H J Agan B Agarwal S Ahern R L Allen B L Altidor S Altschuler E L Ambardar S Anastos K Anderson B Anderson V Andrady U Antoniskis D Bangsberg D Barbaro D Barrie W Bartczak J Barton S Basden P Basgoz N Bazner S Bellos N C Benson A M Berger J Bernard N F Bernard A M Birch C Bodner S J Bolan R K Boudreaux E T Bradley M Braun J F Brndjar J E Brown S J Brown K Brown S T Burack J Bush LM Cafaro V Campbell O Campbell J Carlson R H Carmichael J K Casey K K Cavacuiti C Celestin G Chambers S T Chez N Chirch L M Cimoch P J Cohen D Cohn LE Conway B Cooper D A Cornelson B Cox D T Cristofano M V Cuchural G Jr Czartoski J L Dahman J M Daly J S Davis B T Davis K Davod S M DeJesus E Dietz C A Dunham E Dunn M E Ellerin T B Eron J J Fangman J J Farel C E Ferlazzo H Fidler S Fleenor-Ford A Frankel R Freedberg K A French N K Fuchs JD Fuller J D Gaberman J Gallant J E Gandhi R T Garcia E Garmon D Gathe J C Jr Gaultier C R Gebre W Gilman F D Gilson I Goepfert P A Gottlieb M S Goulston C Groger R K Gurley T D Haber S Hardwicke R Hardy W D Harrigan P R Hawkins T N Heath S Hecht F M Henry W K Hladek M Hoffman R P Horton J M Hsu R K Huhn G D Hunt P Hupert M J Illeman M L Jaeger H Jellinger R M John M Johnson J A Johnson K L Johnson H Johnson K Joly J Jordan W C Kauffman C A Khanlou H Killian R K Kim A Y Kim D D Kinder C A Kirchner J T Kogelman L Kojic E M Korthuis P T Kurisu W Kwon D S LaMar M Lampiris H Lanzafame M Lederman M M Lee D M Lee J M Lee M J Lee E T Lemoine J Levy J A Llibre J M Liguori M A Little S J Liu A Y Lopez A J Loutfy M R Loy D Mohammed D Y Man A Mansour M K Marconi V C Markowitz M Marques R Martin J N Martin H L Jr Mayer K H McElrath M J McGhee T A McGovern B H McGowan K McIntyre D Mcleod GX Menezes P Mesa G Metroka CE Meyer-Olson D Miller A O Montgomery K Mounzer K C Nagami E H Nagin I Nahass R G Nelson M O Nielsen C Norene D L O'Connor D H Ojikutu B O Okulicz J Oladehin O O Oldfield E C Olender S A Ostrowski M Owen WF Jr Pae E Parsonnet J Pavlatos A M Perlmutter A M Pierce M N Pincus J M Pisani L Price L J Proia L Prokesch R C Pujet H C Ramgopal M Rathod A Rausch M Ravishankar J Rhame F S Richards C S Richman D D Rodes B Rodriguez M Rose R C 3rd Rosenberg E S Rosenthal D Ross P E Rubin D S Rumbaugh E Saenz L Salvaggio M R Sanchez WC Sanjana V M Santiago S Schmidt W Schuitemaker H Sestak P M Shalit P Shay W Shirvani V N Silebi V I Sizemore J M Jr Skolnik P R Sokol-Anderson M Sosman J M Stabile P Stapleton J T Starrett S Stein F Stellbrink H J Sterman FL Stone V E Stone D R Tambussi G Taplitz R A Tedaldi E M Telenti A Theisen W Torres R Tosiello L Tremblay C Tribble M A Trinh P D Tsao A Ueda P Vaccaro A Valadas E Vanig T J Vecino I Vega V M Veikley W Wade B H Walworth C Wanidworanun C Ward D J Warner D A Weber R D Webster D Weis S Wheeler D A White D J Wilkins E Winston A Wlodaver C G van't Wout A Wright D P Yang O O Yurdin D L Zabukovic B W Zachary K C Zeeman B Zhao M 2010Science2010,330,6010:1
8Investigation of the child with an acutemetabolic disorder显示文摘Cook P Walker V 2011J Clin Pathol2011,64,3:1
9A theoretical model of a plant anfifreeze protein from Lolium perenne显示文摘Kuiper M J Davies P L Walker V K 2001Biophys J2001,81,6:1
10Schizophrenia and bipolar disorder are distinguished mainly by differences in neurodevelopment 显示文摘Walker J Curtis V Shaw P 2002Neurotox Res2002,4,56:1
11Roniviridae Virus Taxonomy Ⅷth Report of the ICTV Fauquet C M Mayo M A Maniloff J Desselberger U and Ball L A eds显示文摘Walker P J Bonami J R Boonsaeng V 2004Elsevier Academic Press London2004,,:1
12Subchronic oral toxicity testing in rats with a liquid hand-dishwashing detergent containing anionic suractants 显示文摘Scaiheur V Maurer J K Walker A P 1986Chem Toxi1986,24,2:1
13Oxidant mechanisms in gentamicin nephrotoxicity 显示文摘Walker P D Barri Y Shah S V 1999Rert Fail1999,21,34:1
14Trimethylamine oxide counteracts effects of hydrostatic pressure on proteins of deep-sea teleosts 显示文摘Yancey P H Fyfe-Johnson A L Kelly R H Walker V P Anfi6n M T 2001The Journal of Experimental Zoology2001,289,3:1
15Investigation of the child with an acute metabolic disorder显示文摘Cook P Walker V 0,,03:1
16Atmospheric transport and wet deposition of ammonium in North Carolina显示文摘Walker J T Aneja V P Dickey D A 2000Atmos Envi- ron2000,34,20:1
17Fever with Thrombocytopenia associated with a novel bunyavirus in China显示文摘Yu X J Liang M F Zhang S Y Liu Y Li J D Sun Y L Zhang L H Zhang Q F Popov V L Li C Qu J Li Q Zhang Y P Hai R Wu W Wang Q Zhan F X Wang X J Kan B Wang SW Wan K L Jing H Q Lu J X Yin W W Zhou H Guan X H Liu J F Bi Z Q Liu G H Ren J Wang H Zhao Z Song J D He J R Wan T Zhang J S Fu X P Sun L N Dong X P Feng Z J Yang W Z Hong T Zhang Y Walker D H Wang Y Li D X 2011N Engl J Med2011,364,16:1
18Fever with thrombocytopenia associated with a novel bunyavirus in China显示文摘Yu X J Liang M F Zhang S Y Liu Y Li J D Sun Y L Zhang L Zhang Q F Popov V L Li C Qu J Li Q Zhang Y P Hai R Wu W Wang Q Zhan F X Wang X J Kan B Wang S W Wan K L Jing H Q Lu J X Yin W W Zhou H Guan X H Liu J F Bi Z Q Liu G H Ren J Wang H Zhao Z Song J D He J R Wan T Zhang J S Fu X P Sun L N Dong X P Feng Z J Yang W Z Hong T Zhang Y Walker D H Wang Y Li D X 2011N Engl J Med2011,364,:1
19Grid:a Service-oriented Model for the Semantic Grid显示文摘Li M A Santen P V Walker D W 2004Future Generation Computer Systems2004,,20:1
20Atmospheric transport and wet deposition of ammonium in North Carolina 显示文摘Walker J T Aneja V P Dickey D A 2000Atmospheric Enviroument2000,34,20:1
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