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Neurosci Lett. 1980 Jun;18(2):173-80.

Leukotriene C elicits a prolonged excitation of cerebellar Purkinje neurons.

Abstract

Leukotriene C-1 (LTC-1), a recently characterized potent agonist in bioassays for the slow reacting substance of anaphylaxis (SRS-A), was tested for electrophysiological effects on central neurons. LTC-1 consistently elicited a unique prolonged excitatory action on cerebellar Purkinje (P) cells when administered locally by pressure ejection from a multibarreled micropipette. This excitation could be reversed by subsequent pressure ejection of FPL 55712 (FPL), a SRS-A end-organ antagonist. Prior application of FPL prevented the LTC-1-induced responses altogether. Heat-inactivated LTC-1 had no effect on P cell discharge. These data suggest that LTC-1, as has been recently found with many other peripherally acting neurohormones, may also function to regulate excitability of central neurons.

PMID:
7052488
DOI:
10.1016/0304-3940(80)90322-5
[Indexed for MEDLINE]

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