Table 1.
Catecholamine receptor antagonists used in this study.
| Compound | Specificity | Solvent |
|---|---|---|
| Phentolamine hydrochloride | Reversible α-adrenergic | Ethanol |
| Phenoxybenzamine hydrochloride | Irreversible α-adrenergic | DMSO |
| S-propranolol hydrochloride | β-adrenergic | Ethanol |
| Labetalol hydrochloride | α- and β-adrenergic | Ethanol |
| Chlorpromazine hydrochloride | Dopaminergic | Distilled water |
| LED2091 | Bacterial catecholamine receptor QseC | DMSO |
All compounds were dissolved at 10 mM, except for LED209, which was dissolved at 10 μM.
1N-phenyl-4-[[(phenylamino)thioxomethyl]amino]-benzenesulfonamide.