these results lead to conclusions that frtl-5 cells lack alpha 2-adrenergic receptor but have beta-adrenergic receptor which lacks coupling with adenylate cyclase and have adenosine a1 receptor , and that the adrenergic receptors and adenosine a1 receptor are not the site of action of anti-fucosyl gm1 antibody .
C0001643
beta-adrenergic receptor
C0034783
adrenergic receptors