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| Li,H.B.; Yang,Y.R.Y.; Mo,Z.J.; Ding,Y.; Jiang,W.J.. |
| The present study investigated the effect of silibinin, the principal potential anti-inflammatory flavonoid contained in silymarin, a mixture of flavonolignans extracted from Silybum marianum seeds, on palmitate-induced insulin resistance in C2C12 myotubes and its potential molecular mechanisms. Silibinin prevented the decrease of insulin-stimulated 2-NBDG (2-[N-(7-nitrobenz-2-oxa-1,3-diazol-4-yl)amino]-2-deoxy-D-glucose) uptake and the downregulation of glutamate transporter type 4 (GLUT4) translocation in C2C12 myotubes induced by palmitate. Meanwhile, silibinin suppressed the palmitate-induced decrease of insulin-stimulated Akt Ser473 phosphorylation, which was reversed by wortmannin, a specific inhibitor of phosphatidylinositol-3-kinase (PI3K). We also... |
| Tipo: Info:eu-repo/semantics/article |
Palavras-chave: Silibinin; Insulin resistance; Palmitate; C2C12. |
| Ano: 2015 |
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0100-879X2015000500440 |
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| Bustillo,S; Lucero,H; Leiva,LC; Acosta,O; Kier Joffé,EB; Gorodner,JO. |
| Bothrops snake venoms have been proved toxic to a variety of cell types, in both in vivo and in vitro models. Studies on the pharmacological actions of Bothrops venoms from Argentina are relatively scarce and the direct action of the crude venoms has not been assessed using cell culture models. In this work, we investigated the cytotoxicity of crude venoms from B. alternatus and B. diporus in a skeletal muscle (C2C12) cell line, which is commonly used as a model for studying the myotoxic action of snake venom. Both venoms (1.25-50 µg/mL) induced an early and significant decrease in cell viability. The cytotoxic concentration 50 (CC50), determined three hours after exposure, revealed that B. diporus venom was significantly more cytotoxic (CC50: 2 µg/mL)... |
| Tipo: Info:eu-repo/semantics/article |
Palavras-chave: Bothrops alternatus; Bothrops diporus; Cytotoxicity; C2C12; Apoptosis. |
| Ano: 2009 |
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1678-91992009000100004 |
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