Oral bronchodilator effect of 16(S)-methyl-20-methoxy-PGE2 (YPG-209) in guinea-pigs.


The bronchodilator activity of synthetic 16(S)-methyl-20-methoxy-PGE2 (YPG-209) was investigated in guinea-pigs. The potency of YPG-209 in relaxing the isolated trachea contracted by histamine was 10 times smaller than that of PGE2, and was not reduced by propranolol, while in the anesthetized animals YPG-209 given by an intravenous route was 230 times as… (More)


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