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The present study investigated the interaction between the muscarinic acetylcholine receptor (mAChR) allosteric modulator heptane-1,7-bis-(dimethyl-3'-phthalimidopropyl) ammonium bromide (C(7)/3-phth) and the orthosteric antagonist [3H]N-methylscopolamine ([3H]NMS) at the five cloned human mAChRs expressed in Chinese hamster ovary cells. Equilibrium binding(More)
We investigated the molecular nature of the interaction between the functionally selective M1 muscarinic acetylcholine receptor (mAChR) agonist xanomeline and the human M1 mAChR expressed in Chinese hamster ovary (CHO) cells. In contrast to the non-subtype-selective agonist carbachol, xanomeline demonstrated M1 mAChR binding that was resistant to extensive(More)
Regulation of nitric oxide (NO) formation is critical to ensure maintenance of appropriate cellular concentrations of this labile, signaling molecule. This study investigated the role exogenous and endogenously produced NO have in feeding back to regulate NO synthesis in intact cells. Two NO donors inhibited activation of neuronal NO synthase (nNOS) in(More)
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