Comparative effects of drugs on leukotrienes-, PAF-acether- and histamine- induced contractions of guinea-pig lung parenchymal strips.


Dose-response curves to leukotrienes B4 (LTB4), D4 (LTD4), PAF-acether and histamine applied as single or cumulative doses are studied on guinea-pig lung parenchymal strips (GPLP). A mole to mole comparison shows that PAF-acether is the most potent agonist, when GPLP contracts maximally to histamine. GPLP possesses specific receptors to histamine, LTD4 and… (More)


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