the actual effects of adrenaline and noradrenaline on human fat cell lipolysis are the result of a balance of opposing signals which are mediated by alpha2- and beta-adrenergic receptors coupled to adenylate cyclase via stimulatory ( beta-receptors ) and inhibitory ( alpha2-receptors ) guanine nucleotide regulatory proteins .
C0014563
adrenaline
C0028351
noradrenaline