The cysteinyl leukotrienes LTC4 and LTD4 are potent mediators of asthma and hypersensitivity. They induce bronchoconstriction, increase microvascular permeability, and are vasoconstrictors of coronary arteries. Their biological effects are transduced by a pair of G-protein coupled receptors, CysLT1 and CysLT2.1,2,3 BayCysLT2 is a potent CysLT2 receptor antagonist that inhibits radioligand binding of LTD4 to CysLT2 and CysLT1 receptor cell lines with IC50 values of 35 and >10,000 nM, respectively.4 BayCysLT2 concentration-dependently reverses LTC4-stimulated perfusion pressure increase and contractility decrease in isolated Langendorff-perfused guinea pig hearts.4
1Lynch, K.R., O'Neill, G.P., Liu, Q., et al. Characterization of the human cysteinyl leukotriene CysLT1 receptor. Nature399789-793(1999).
2Heise, C.E., O'Dowd, B.F., Figueroa, D.J., et al. Characterization of the human cysteinyl leukotriene 2 receptor. J Biol Chem27530531-30536(2000).
3Sarau, H.M., Ames, R.S., Chambers, J., et al. Identification, molecular cloning, expression, and characterization of a cysteinyl leukotriene receptor. Mol Pharmacol56657-663(1999).
4Harter, M., Erguden, J., Wunder, F., et al. Isophtalic acid derivatives. 10/537,6231-104(2006 Jul 13).
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Cayman Chemical was formed over thirty years ago by demonstrating the value of naturally growing gorgonian corals as a renewable, economically viable source of prostaglandins. Today we operate our business knowing that we owe our start to the renewable resources our environment had provided. As Cayman Chemical continues to grow we consistently evaluate our business processes to ensure we are operating at the highest environmental standards.
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