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. 1984 Jan;13(1):21-5.
doi: 10.1016/0262-1746(84)90098-2.

The development of sensitive and specific radioimmunoassays for leukotrienes

J Rokach, E C Hayes, Y Girard, D L Lombardo, A L Maycock, A S Rosenthal, R N Young, R Zamboni, H J Zweerink

The development of sensitive and specific radioimmunoassays for leukotrienes

J Rokach et al. Prostaglandins Leukot Med. 1984 Jan.

Abstract

Radioimmunoassays for leukotriene C4 (LTC4) and for leukotriene B4 (LTB4) have been developed. LTC4 was conjugated with thiolated hemocyanin (Keyhole Limpet) (KLH) using 6-(N-maleimido)hexanoic acid chloride as coupling agent. LTB4 was converted to its hydrazide derivative, via the delta-lactone and the hydrazide was similarly coupled with thiolated KLH using 6-(N-maleimido)hexanoic acid chloride as coupling agent. These conjugates were used to consistently raise high titres of anti-leukotriene antibodies in rabbits. 14,15-[3H]-LTC4 was prepared by total synthesis via two routes. 14,15-[3H]-LTB4 was prepared by total synthesis. The assay for LTC4 recognizes LTC4, LTD4 and LTF4, and to a lesser extent, LTE4 with a detection limit of ca. 0.1 pmoles LTC4 per mL of sample. The assay for LTB4 is highly specific and has a similar detection limit.

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