Lipoxins are major lipoxygenase products of rainbow trout macrophages
Open Access
- 18 December 1989
- journal article
- Published by Wiley in FEBS Letters
- Vol. 259 (1) , 168-170
- https://doi.org/10.1016/0014-5793(89)81520-0
Abstract
Rainbow trout macrophages synthesize lipoxins as major lipoxygenase products entirely from endogenous fatty acids. High‐performance liquid Chromatographic analysis of the supernatants from macrophages challenged with calcium ionophore A23187 revealed a range of lipoxygenase products including mono‐hydroxy fatty acids, leukotrienes B4 and B5 and four major peaks with retention times and UV spectra characteristic of lipoxins (λmax 302 nm). Cochromatography with authentic standards, UV spectroscopy and radiolabelling with (14C]arachidonate and eicosapentaenoate allowed tentative identification of the two largest peaks as lipoxin A4 and A5.Keywords
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