Accumulation of hydroxyl lipids and 4-hydroxy-2-hexenal in live fish infected with fish diseases.
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| Abstract |
Hydroxy lipids (L-OH) and 4-hydroxy-2-hexenal (HHE) levels as well as other parameters such as lipid level, lipid class, fatty acid composition, and other aldehydes levels in the liver of diseased fish were investigated. Although significant differences in lipid level, lipid class, fatty acid composition, and other aldehyde levels were not always observed between normal and diseased fish, L-OH and HHE levels were significantly higher in the liver of the diseased fish than in that of the normal fish cultured with the same feeds under the same conditions. In the liver of puffer fish (Fugu rubripes) infected with Trichodina, L-OH and HHE levels significantly increased from 25.29±5.04 to 47.70 ± 5.27 nmol/mg lipid and from 299.79±25.25 to 1,184.40±60.27 nmol/g tissue, respectively. When the levels of HHE and other aldehydes in the liver of the normal and diseased puffer fish were plotted, a linear relationship with a high correlation coefficient was observed between HHE and propanal (r2=0.9447). Increased L-OH and HHE levels in the liver of the diseased fish and a high correlation between HHE and propanal in the liver of the normal and diseased fish were also observed in flat fish (Paralichthys olivaceus) infected with streptococcus, yellowtail (Seriola quinqueradiata) infected with jaundice, and amberjack (S. purpurascens) infected with Photobacterium damselae subsp. piscicida.
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| Authors | Ryusuke Tanaka, Kazuhiro Shigeta, Yoshimasa Sugiura, Hideo Hatate, Teruo Matsushita |
| Journal | Lipids (Lipids) Vol. 49 Issue 4 Pg. 385-96 (Apr 2014) ISSN: 1558-9307 [Electronic] United States |
| PMID | 24390795 (Publication Type: Journal Article, Research Support, Non-U.S. Gov't) |
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