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| 1 | Expression of matrix metalloproteinases 2 and 9 in human gastric cancer and superficial gastritis显示文摘AIM:To assess expression of matrix metalloproteinases 2(MMP2)and MMP9 in gastric cancer,superficial gastritis and normal mucosa,and to measure metalloproteinase activity.METHODS:MMP2 and MMP9 mRNA expression was determined by quantitative real-time polymerase chain reaction.Normalization was carried out using three different factors.Proteins were analyzed by quantitative gelatin zymography(qGZ).RESULTS:18S ribosomal RNA(18SRNA)was very highly expressed,while hypoxanthine ribosyltransferase-1(HPRT-1)was moderately expressed.MMP2 was highly expressed,while MMP9 was not detected or lowly expressed in normal tissues,moderately or highly expressed in gastritis and highly expressed in cancer.Relative expression of 18SRNA and HPRT-1 showed no significant differences.Significant differences in MMP2 and MMP9 were found between cancer and normal tissue,but not between gastritis and normal tissue.Absolute quantification of MMP9 echoed this pattern,but differential expression of MMP2 proved conflictive.Analysis by qGZ indicated significant differences between cancer and normal tissue in MMP-2,total MMP-9,250 and 110 kDa bands.CONCLUSION:MMP9 expression is enhanced in gastric cancer compared to normal mucosa;interpretation of differential expression of MMP2 is difficult to establish. | Clara Luz Sampieri Sol de la Pea Mariana Ochoa-Lara Roberto Zenteno-Cuevas Kenneth León-Córdoba | 2010 | World Journal of Gastroenterology2010，16，12： | 46 |
| 2 | STIM 1 and Orail mediate thrombin-induced Ca2+ influx in rat cortical as- trocytes 显示文摘 | Moreno C Sampieri A Vivas O | 2012 | Cell Calcium2012，52，6： | 1 |
| 3 | Using double-stranded RNA to prevent in vitro and in vivo viral infections by recombinant baculovirus显示文摘 | Valdes V J Sampieri A Sepulveda J | 2003 | J Biol Chem2003，278，19： | 1 |
| 4 | Using double-stranded RNA to prevent in vitro and in vivo viral infections by recombinant bacu- lovirus显示文摘 | VALDES V J SAMPIERI A SEPULVEDA J | 2003 | The Journal of Biological Chemistry2003，278，19： | 1 |
| 5 | Using double-stranded RNA to prevent in vitro and vivo viral infections by recombinant baculovirus显示文摘 | Valdes V J Sampieri A Sepulveda J | 2003 | J Biol Chem2003，278，19： | 1 |
| 6 | Silencing structural and nonstructural genes in baculovirus by RNA interference 显示文摘 | Flores-Jasso C F Valdes V J Sampieri A | 2004 | Virus Res2004，102，1： | 1 |
| 7 | Silencing structural and nonstructural genes in baculovirus by RNA interference 显示文摘 | Flores-Jasso C F Valdes V J Sampieri A | 2004 | Virus Res2004，102，1： | 1 |
| 8 | Using Double-stranded RNA to Prevent in Vitro and in Vivo Viral Infections by Recombinant Baculovirus 显示文摘 | Valdes V J Sampieri A Sepulveda J | 2003 | J Biol Chem2003，278，19： | 1 |
| 9 | Using double stranded RNA to prevent in vitro and in vivo viral infections by recombinant baculovirus显示文摘 | Valdes V J Sampieri A Sepulveda J | 2003 | Journal of Biological Chemistry2003，278，19： | 1 |
| 10 | Correlation between the kinetics of Thl, Th2 cells and pa- thology in a murine model of experimental pulmonary tuber- culosis 显示文摘 | Hernondez-Pando R Orozcoe H Sampieri A Pav6n L Velasquillo C Larriva-Sahd J Aleocer JM Madrid MV | 1996 | Immunology1996，89，1： | 1 |
| 11 | Hydrodesulfurization of dibenzothiophene on MoS2/MCM-41 and MoS2/SBA- 15 catalysts prepared by thermal spreading of MoO3 显示文摘 | Sampieri A Pronier S Blanehard J | 2005 | Catal Today2005，107，1： | 1 |
| 12 | Using double-stranded RNA to prevent in vitro and in vivo viral Infections by recombinant baculovirus显示文摘 | Sampieri A Sepulveda J | 2003 | J Biol Chem2003，278，19： | 1 |
| 13 | Activation of p38 and JNK MAPK pathways abrogates requirement for new protein synthesis for phorbol ester mediated induction of select MMP and TIMP genes显示文摘 | Sampieri C L Nuttall R K Young D A | 2008 | Matrix Biol2008，27，2： | 1 |
| 14 | Using double-stran ded RNA to prevent in vitro and in vivo viral infections by re combinant baculovirus 显示文摘 | Valdes VJ Sampieri A Sepulveda J | 2003 | J Biol Chem2003，278，19： | 1 |
| 15 | Species- specificity of equine and porcine Lawsonia intracellularis isolates in laboratory animals 显示文摘 | Sampieri F Vannucci F A Allen A L | 2013 | Canadian Journal of Veterinary Research2013，77，4： | 1 |
| 16 | Hydrodesulfurization of Dibenzothiophene on MoS2/MCM41 and MoS2/SBA-15 Catalysts Prepared by Thermal Spreading of MoO3 显示文摘 | Sampieri A Pronier S Blanehard J | 2005 | Catal Today2005，，107108： | 1 |
| 17 | Using double-strandedRNA to prevent in vitro and in vivo viral infections by recombinantbaculovirus显示文摘 | Valdes V J Sampieri A Sepulveda J | 2003 | J Biol Chem2003，278，19： | 1 |
| 18 | STIM1 and Orai1 mediate thrombin-induced Ca(2+)influx in rat cortical astrocytes显示文摘 | Moreno C Sampieri A Vivas O | | 0，，： | 1 |
| 19 | Matrix metaUo- proteases as molecular markers in gastric cancer 显示文摘 | de la Pe? a S Sampieri CL Leon - Cordoba K | 2010 | Med Clin (Barc)2010，134，3： | 1 |
| 20 | Ultrastructural changes in the ovary cells of engorged Rhipicephalus san- guineus female ticks treated with esters of ricinoleic acid from castor oil (Ricinus communis )显示文摘 | Sampieri B R Arnosti A Nunes P H | 2012 | Micmsc Res Tech2012，75，5： | 1 |
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