Activation of a7 nicotinic acetylcholine receptors increases intracellular cAMP levels via activation of AC1 in hippocampal neurons.
Cheng Q, Yakel JL. Activation of a7 nicotinic acetylcholine receptors increases intracellular cAMP levels via activation of AC1 in hippocampal neurons. Neuropharmacology. 2015 Aug; 95:405-14.