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| 1 | Macrophage 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 | 2012 | World Journal of Gastroenterology2012,18,15: | 3 |
| 2 | Towards a standard diet-induced and biopsy-confirmed mouse model of non-alcoholic steatohepatitis: Impact of dietary fat source显示文摘BACKGROUND The trans-fat containing AMLN(amylin liver non-alcoholic steatohepatitis,NASH)diet has been extensively validated in C57BL/6J mice with or without the Lep^ob/Lep^ob(ob/ob)mutation in the leptin gene for reliably inducing metabolic and liver histopathological changes recapitulating hallmarks of NASH.Due to a recent ban on trans-fats as food additive,there is a marked need for developing a new diet capable of promoting a compatible level of disease in ob/ob and C57BL/6J mice.AIM To develop a biopsy-confirmed mouse model of NASH based on an obesogenic diet with trans-fat substituted by saturated fat.METHODS Male ob/ob mice were fed AMLN diet or a modified AMLN diet with trans-fat(Primex shortening)substituted by equivalent amounts of palm oil[Gubra amylin NASH,(GAN)diet]for 8,12 and 16 wk.C57BL/6J mice were fed the same diets for 28 wk.AMLN and GAN diets had similar caloric content(40%fat kcal),fructose(22%)and cholesterol(2%)level.RESULTS The GAN diet was more obesogenic compared to the AMLN diet and impaired glucose tolerance.Biopsy-confirmed steatosis,lobular inflammation,hepatocyte ballooning,fibrotic liver lesions and hepatic transcriptome changes were similar in ob/ob mice fed the GAN or AMLN diet.C57BL/6J mice developed a mild to moderate fibrotic NASH phenotype when fed the same diets.CONCLUSION Substitution of Primex with palm oil promotes a similar phenotype of biopsyconfirmed NASH in ob/ob and C57BL/6J mice,making GAN diet-induced obese mouse models suitable for characterizing novel NASH treatments. | Michelle L Boland Denise Oro Kirstine S T■lb■l Sebastian T Thrane Jens Christian Nielsen Taylor S Cohen David E Tabor Fiona Fernandes Andrey Tovchigrechko Sanne S Veidal Paul Warrener Bret R Sellman Jacob Jelsing Michael Feigh Niels Vrang James L Trevaskis Henrik H Hansen | 2019 | World Journal of Gastroenterology2019,25,33: | 3 |
| 3 | Is There a Possibility of a Cure in Patients With Colorectal Peritoneal Carcinomatosis Amenable to Complete Cytoreductive Surgery and Intraperitoneal Chemotherapy?显示文摘 | Diane Goéré David Malka Dimitri Tzanis Vinicius Gava Valérie Boige Clarisse Eveno Léon Maggiori Frédéric Dumont Michel Ducreux Dominique Elias | 2013 | Annals of Surgery2013,,6: | 2 |
| 4 | Dendritic cell deficiencies persist seven months after SARS-CoV-2 infection显示文摘Severe Acute Respiratory Syndrome Coronavirus(SARS-CoV)-2 infection induces an exacerbated inflammation driven by innate immunity components.Dendritic cells(DCs)play a key role in the defense against viral infections,for instance plasmacytoid DCs(pDCs),have the capacity to produce vast amounts of interferon-alpha(IFN-α).In COVID-19 there is a deficit in DC numbers and IFN-αproduction,which has been associated with disease severity.In this work,we described that in addition to the DC deficiency,several DC activation and homing markers were altered in acute COVID-19 patients,which were associated with multiple inflammatory markers.Remarkably,previously hospitalized and nonhospitalized patients remained with decreased numbers of CD1c+myeloid DCs and pDCs seven months after SARS-CoV-2 infection.Moreover,the expression of DC markers such as CD86 and CD4 were only restored in previously nonhospitalized patients,while no restoration of integrinβ7 and indoleamine 2,3-dyoxigenase(IDO)levels were observed.These findings contribute to a better understanding of the immunological sequelae of COVID-19. | Alberto Pérez-Gómez Joana Vitallé Carmen Gasca-Capote Alicia Gutierrez-Valencia María Trujillo-Rodriguez Ana Serna-Gallego Esperanza Muñoz-Muela María de los Reyes Jiménez-Leon Mohamed Rafii-El-Idrissi Benhnia Inmaculada Rivas-Jeremias Cesar Sotomayor Cristina Roca-Oporto Nuria Espinosa Carmen Infante-Domínguez Juan Carlos Crespo-Rivas Alberto Fernández-Villar Alexandre Pérez-González Luis Fernando López-Cortés Eva Poveda Ezequiel Ruiz-Mateos JoséMiguel Cisneros Sonsoles Salto-Alejandre Judith Berastegui-Cabrera Pedro Camacho-Martínez Carmen Infante-Domínguez Marta Carretero-Ledesma Juan Carlos Crespo-Rivas Eduardo Márquez JoséManuel Lomas Claudio Bueno Rosario Amaya JoséAntonio Lepe Jerónimo Pachón Elisa Cordero Javier Sánchez-Céspedes Manuela Aguilar-Guisado Almudena Aguilera Clara Aguilera Teresa Aldabo-Pallas Verónica Alfaro-Lara Cristina Amodeo Javier Ampuero María Dolores Avilés Maribel Asensio Bosco Barón-Franco Lydia Barrera-Pulido Rafael Bellido-Alba Máximo Bernabeu-Wittel Candela Caballero-Eraso Macarena Cabrera Enrique Calderón Jesús Carbajal-Guerrero Manuela Cid-Cumplido Yael Corcia-Palomo Juan Delgado Antonio Domínguez-Petit Alejandro Deniz Reginal Dusseck-Brutus Ana Escoresca-Ortega Fátima Espinosa Nuria Espinosa Michelle Espinoza Carmen Ferrándiz-Millón Marta Ferrer Teresa Ferrer Ignacio Gallego-Texeira Rosa Gámez-Mancera Emilio García Horacio García-Delgado Manuel García-Gutiérrez María Luisa Gascón-Castillo Aurora González-Estrada Demetrio González Carmen Gómez-González Rocío González-León Carmen Grande-Cabrerizo Sonia Gutiérrez Carlos Hernández-Quiles Inmaculada Concepción Herrera-Melero Marta Herrero-Romero Luis Jara Carlos Jiménez-Juan Silvia Jiménez-Jorge Mercedes Jiménez-Sánchez Julia Lanseros-Tenllado Carmina López Isabel López Álvaro López-Barrios Luis F.López-Cortés Rafael Luque-Márquez Daniel Macías-García Guillermo Martín-Gutiérrez Luis Martín-Villén JoséMolina Aurora Morillo María Dolores Navarro-Amuedo Dolores Nieto-Martín Francisco Ortega María Paniagua-García Amelia Peña-Rodríguez Esther Pérez Manuel Poyato Julia Praena-Segovia Rafaela Ríos Cristina Roca-Oporto Jesús F.Rodríguez María Jesús Rodríguez-Hernández Santiago Rodríguez-Suárez Ángel Rodríguez-Villodres Nieves Romero-Rodríguez Ricardo Ruiz Zida Ruiz de Azua Celia Salamanca Sonia Sánchez Víctor Manuel Sánchez-Montagut César Sotomayor Alejandro Suárez Benjumea Javier Toral | 2021 | Cellular & Molecular Immunology2021,18,9: | 2 |
| 5 | Application of grain size trend analysis for the determination of sediment transport pathways in intertidal areas 显示文摘 | Pedreros R Howa H L Michel D | 1996 | Marine geology1996,135,: | 2 |
| 6 | The Integrator complex controls the termination of transcription at diverse classes of gene targets显示文摘包含 INTS3 和 NABP1 或 NABP2 的建筑群开始在 DNA 损坏回答被描绘,但是他们的生物化学的功能仍然保持未知。用亲密关系纯化和 HIV 集成定序目标(HIT-Seq ) ,我们发现这些建筑群是综合者建筑群的部分,它绑 RNA 聚合酶 II 并且调整特定的目标基因。综合者作为他们在亲密地被结合的机制处理到他们的成熟形式的部分劈开 snRNAs 抄写结束。然而, HIT-Seq 表明那个综合者也绑在 3 ′以 polyadenylated 抄本复制依赖者 histones 和倡导者结束基因的近似区域。综合者子单元的弄空导致抄写结束失败, histone mRNA 处理的混乱,和 snRNAs 和 histone mRNAs 的 polyadenylation。而且,倡导者综合者的近似绑定否定地通常调整其抄本是的基因的表示 polyadenylated。到所有三个基因类的综合者招募是 DSIF 依赖的,建议那个综合者作为在 DSIF 依赖的 RNA 聚合酶 II 的结束建筑群工作暂停地点。 | Jeffrey R Skaar Andrea L Ferris Xiaolin Wu Anita Saraf Kum Kum Khanna Laurence Florens Michael P Washburn Stephen H Hughes Michele Pagano | 2015 | Cell Research2015,25,3: | 2 |
| 7 | Use of plasmid DNA for direct gene transfer and immunization显示文摘 | Davis H L Michel M L Whalen R G | 1995 | NY Acad Sci1995,772,: | 1 |
| 8 | Genome sequence and analysis of the soil cellulolytic actinomyeete Thermobifidafusca YX 显示文摘 | Athanasios L Konstantinos M Natalia I lain A Miriam L Genevieve D Michele M Alia L Susan L Alex C Paul R David BW Nikos K | 2007 | J Bacteriol2007,189,6: | 1 |
| 9 | Evaluation and application ofthe OILCROP-SUN model for sunflower in southern Italy 显示文摘 | MICHELE R NICOLA L ZINA F | 2003 | Ag-ricultural Systems2003,78,: | 1 |
| 10 | Application of grain size trend analysis for the determination of sediment transport pathways in intertidal areas显示文摘 | Pedreros R Howa H L Michel D | 1996 | Marine Geology1996,135,: | 1 |
| 11 | Application of grain size trend analysis for the determination of sediment transport pathways in intertidal areas 显示文摘 | Pedreros R Howa H L Michel D | 1996 | Marine Geology1996,135,: | 1 |
| 12 | Prenatal stress alters cytokine levels in a manner that may endanger human pregnancy显示文摘 | Coussons R M E Okun Michele L M A | 2005 | American Psychosomatic Society Volum2005,67,4: | 1 |
| 13 | Comparison of Pressurized Liquid Extraction with Classical Solevent Extraction and Microwave-assisted Extraction-application to the Investigation of the Artificial Maturation of Mahakam Coal显示文摘 | Li Y Michels R Mansuy L | 2002 | Fuel2002,81,: | 1 |
| 14 | Molecular characterization of MPT83 :a seroreactive antigen of Mycobacterium tuberculosis with homology to MPT70显示文摘 | Hewinson R G Michell S L Russell W P | 1996 | Scand J Immunol1996,43,5: | 1 |
| 15 | Applicationof grain size trend analysis for the deermination of sediment transport pathways in intertidal areas显示文摘 | Pedreros R Howa H L Michel D | 1996 | Marine Geology1996,135,: | 1 |
| 16 | Studies on the structures of imipenem, dehydropeptidase Ⅰ-hydrolyzed imipenem, and related analogs显示文摘 | Ratcliffe R W Wildonger K J Michele L D etal | 1989 | J Org Chem1989,54,3: | 1 |
| 17 | Combustion synthesis of metallic foams from nanocomposite reactants 显示文摘 | Emily M H Michelle L P Jouet R J | 2006 | Intermetallics2006,14,6: | 1 |
| 18 | 查看详情显示文摘 | Landen O L Boehly T R Bradley D K Braun D G Callahan D A Celliers P M Collins G W Dewald E L Divol L Glenzer S H Hamza A Hicks D G Hoffman N Izumi N Jones O S Kirkwood R K Kyrala G A Michel P Milovich J Munro D H Nikroo A Olson R E Robey H F Spears B K Th | | 0,,: | 1 |
| 19 | Effect of culturing mouse embryos under different oxygen concentrations on subsequent fetal and placental development显示文摘 | DEANNE F MICHELLE L CLAIRE T R | 2006 | Physiol2006,572,1: | 1 |
| 20 | TG1050,an immunotherapeutic to treat chronic hepatitis B,induces robust T cells and exerts an antiviral effect in HBVpersistent mice显示文摘 | Martin P Dubois C Jacquier E Dion S ManciniBourgine M Godon O Kratzer R Lelu-Santolaria K Evlachev A Meritet J F Schlesinger Y Villeval D Strub J M Van Dorsselaer A Marchand J B Geist M Brandely R Findeli A Boukhebza H Menguy T Silvestre N Michel M L InchauspéG | 2015 | Gut2015,64,12: | 1 |