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EnglishWe tested a series of 11 new aminothiopyrimidones on the activity of inducible nitric oxide synthase (iNOS) and prostaglandin G/H synthase-1 and 2 (COX-1 and COX-2) in the whole human blood and monocyte-macrophage J774 cell line. To induce COX-2 and iNOS, blood samples and J774 cells were stimulated with bacterial lipopolysaccharide (LPS) in the absence or presence of the test compounds. After incubation, the plasma and the supernatants of culture media were collected for the measurement of TxB(2) and PGE(2) by a specific enzyme-immunoassay and determination of nitrite by a colorimetric assay. Several phenylthieno derivatives of substituted pyrimidone inhibited formation of both COX-2 and iNOS derived products with one of the compounds (compound 11, N-[2-[(2,4-dinitrophenyl)thio]-4-oxo-6-phenylthieno[2,3-d]pyrimidin-3(4H)-y]methanesulfonamide) showing a complete inhibition of LPS-stimulated formation of NO and PGE(2).
| Titolo: | Inhibition of iNOS and COX-2 in human whole blood ex vivo and monocyte-macrophage J774 cells by a new group of aminothiopyrimidone derivatives | |
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| Data di pubblicazione: | 2009 | |
| Rivista: | ||
| Handle: | http://hdl.handle.net/20.500.11769/26630 | |
| Appare nelle tipologie: | 1.1 Articolo in rivista |
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