PMID: 6404650Feb 7, 1983Paper

A sensitive and specific radioimmunoassay for leukotriene C4

FEBS Letters
J A LindgrenE J Goetzl

Abstract

A sensitive and specific radioimmunoassay suitable for direct measurement of leukotriene C4 was developed. Acetylated leukotriene C4 was coupled to polyamino bovine serum albumin using 1-ethyl-3-(3-dimethylamino-propyl) carbodiimide hydrochloride as coupling agent. The conjugate in complete or incomplete Freund's adjuvant was injected into New Zealand white rabbits. At a final antiplasma dilution of 1 : 1050 the lowest detection limit of leukotriene C4 was 0.046 pmol. The antiplasma cross-reacted less than 1% with leukotrienes D4, E4 and F4, while high relative cross-reaction (86-100%) was obtained with leukotrienes C3, C5 and 11-trans leukotriene C4. In experiments where known amounts of leukotriene C4 were added to leukocyte suspensions, 67-100% of the added amount was recovered by the method. The radioimmunoassay was used to study leukotriene C4 formation after stimulation of leukocyte suspensions with the ionophore A23187.

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Citations

Oct 2, 1985·Biochimica Et Biophysica Acta·H E ClaessonB Gustafsson
Feb 5, 1991·Biochimica Et Biophysica Acta·M ReinkeK Brune
Aug 12, 1983·Biochemical and Biophysical Research Communications·M J HoltzmanE J Goetzl
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