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CPU0213, a novel endothelin type A and type B receptor antagonist, protects against myocardial ischemia/reperfusion injury in rats BJMBR
Wang,Z.Y.; Zhang,W.; Li,X.Z.; Han,Y.; Chen,Y.P.; Liu,Z.; Xie,L.P.; Ji,Y.; Lu,X..
The efficacy of endothelin receptor antagonists in protecting against myocardial ischemia/reperfusion (I/R) injury is controversial, and the mechanisms remain unclear. The aim of this study was to investigate the effects of CPU0123, a novel endothelin type A and type B receptor antagonist, on myocardial I/R injury and to explore the mechanisms involved. Male Sprague-Dawley rats weighing 200-250 g were randomized to three groups (6-7 per group): group 1, Sham; group 2, I/R + vehicle. Rats were subjected to in vivo myocardial I/R injury by ligation of the left anterior descending coronary artery and 0.5% sodium carboxymethyl cellulose (1 mL/kg) was injected intraperitoneally immediately prior to coronary occlusion. Group 3, I/R + CPU0213. Rats were subjected...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Endothelin receptor antagonist; Myocardial ischemia/reperfusion injury; Akt; ENOS.
Ano: 2011 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0100-879X2011001100011
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Culture of human intestinal epithelial cell using the dissociating enzyme thermolysin and endothelin-3 BJMBR
Liu,Z.; Zhang,P.; Zhou,Y.; Qin,H.; Shen,T..
Epithelium, a highly dynamic system, plays a key role in the homeostasis of the intestine. However, thus far a human intestinal epithelial cell line has not been established in many countries. Fetal tissue was selected to generate viable cell cultures for its sterile condition, effective generation, and differentiated character. The purpose of the present study was to culture human intestinal epithelial cells by a relatively simple method. Thermolysin was added to improve the yield of epithelial cells, while endothelin-3 was added to stimulate their growth. By adding endothelin-3, the achievement ratio (viable cell cultures/total cultures) was enhanced to 60% of a total of 10 cultures (initiated from 8 distinct fetal small intestines), allowing the...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Human intestinal epithelial cell; Cell culture; Thermolysin; Endothelin-3; Cytokeratin; Brush border enzyme.
Ano: 2010 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0100-879X2010000500006
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Effects of propofol on damage of rat intestinal epithelial cells induced by heat stress and lipopolysaccharides BJMBR
Tang,J.; Jiang,Y.; Tang,Y.; Chen,B.; Sun,X.; Su,L.; Liu,Z..
Gut-derived endotoxin and pathogenic bacteria have been proposed as important causative factors of morbidity and death during heat stroke. However, it is still unclear what kind of damage is induced by heat stress. In this study, the rat intestinal epithelial cell line (IEC-6) was treated with heat stress or a combination of heat stress and lipopolysaccharide (LPS). In addition, propofol, which plays an important role in anti-inflammation and organ protection, was applied to study its effects on cellular viability and apoptosis. Heat stress, LPS, or heat stress combined with LPS stimulation can all cause intestinal epithelial cell damage, including early apoptosis and subsequent necrosis. However, propofol can alleviate injuries caused by heat stress, LPS,...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Propofol; Heat stress; Lipopolysaccharides; Apoptosis; Intestinal epithelial cells.
Ano: 2013 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0100-879X2013000600507
Registros recuperados: 3
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