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Interaction of amyloid beta protein (25-35) with tachykinin receptors
P Rovero1, R Patacchini, A R Renzetti
1Pharmacology and Chemistry Department, A. Menarini Pharmaceuticals, Florence, Italy.
Neuropeptides
|June 1, 1992
Abstract:
Amyloid beta protein (25-35) failed to significantly interact with tachykinin NK1 (rat forebrain, guinea-pig ileum) NK2 (rabbit pulmonary artery, hamster trachea) or NK-3 (guinea-pig cortex) receptors, as determined by radioligand binding and functional assays. A weak interaction (Ki 14.8 microM) was detected with NK2 receptors in rat small intestine. It appears unlikely that direct interaction with tachykinin receptors may account for the reported ability of amyloid beta protein (25-35) to affect neuronal survival.