2-nor-leukotriene analogs: antagonists of the airway and vascular smooth muscle effects of leukotriene C4, D4 and E4 |
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| Authors: | J G Gleason T W Ku M E McCarthy B M Weichman D Holden R R Osborn B Zabko-Potapovich B Berkowitz M A Wasserman |
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| Institution: | 1. Department of Medicinal Chemistry Smith Kline and French Laboratories Philadelphia, Pennsylvania 19101 USA;2. Department of Pharmacology, Smith Kline and French Laboratories Philadelphia, Pennsylvania 19101 USA |
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| Abstract: | A structural analog of LTD4, 4R-hydroxy-5S-cysteinylglycyl-6Z-nonadecenoic acid (4R, 5S, 6Z-2-nor-LTD1) has been synthesized and pharmacologically characterized. It significantly antagonized the contractile action of LTD4, LTC4 and LTE4 in guinea pig airways. In addition, this compound antagonized the in vitro vasoconstrictive effects of LTD4 in the guinea pig pulmonary artery. The study of a series of structural analogs of 4R, 5S, 6Z-2-nor-LTD1 suggests that the spatial separation of the C-1 (eicosanoid) carboxyl relative to the hydroxyl is a critical determinant in LTD4 agonist/antagonist activity. |
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| Keywords: | To whom correspondence should be addressed |
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