| Literature DB >> 15985230 |
Ken-ichi Matsuo1, Shinji Togo, Hitoshi Sekido, Tomoyuki Morita, Masako Kamiyama, Daisuke Morioka, Toru Kubota, Yasuhiko Miura, Kuniya Tanaka, Takashi Ishikawa, Yasushi Ichikawa, Itaru Endo, Hitoshi Goto, Hiroyuki Nitanda, Yasushi Okazaki, Yoshihide Hayashizaki, Hiroshi Shimada.
Abstract
Prostaglandin E1 (PGE1) has several potential therapeutic effects, including cytoprotection, vasodilation, and inhibition of platelet aggregation. This study investigates the protective action of PGE1 against hepatic ischemia/reperfusion injury in vivo using a complementary DNA microarray. PGE1 or saline was continuously administered intravenously to mice in which the left lobe of the liver was made ischemic for 30 minutes and then reperfused. Livers were harvested 0, 10, and 30 minutes postreperfusion. Messenger RNA was extracted, and the samples were labeled with two different fluorescent dyes and hybridized to the RIKEN set of 18,816 full-length enriched mouse complementary DNA microarrays. Serum alanine aminotransferase and aspartate aminotransferase levels at 180 minutes postreperfusion were significantly lower in the PGE1-treated group than in the saline-treated group. The cDNA microarray analysis revealed that the genes encoding heat-shock protein (HSP) 70, glucose-regulated protein 78, HSP86, and glutathione S-transferase were upregulated at the end of the ischemic period (0 minutes postreperfusion) in the PGE1 group. Our results suggested that PGE1 induces HSPs immediately after ischemia reperfusion. HSPs might therefore play an important role in the protective effects of PGE1 against ischemia/reperfusion injury of the liver.Entities:
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Year: 2005 PMID： 15985230 DOI： 10.1016/j.gassur.2005.02.004
Source DB: PubMed Journal: J Gastrointest Surg ISSN： 1091-255X Impact factor: 3.452