test 3 Flashcards
Alpha 1 Receptors (NE, EPI)
Alpha 1A, Alpha 1B, and Alpha 1D
Alpha 1A, Alpha 1B, and Alpha 1D NON-SELECTIVE AGONIST
NE, EPI
-DA, NE, Epinephrine, Phenylephrine, Ephederine, Pseudoephedrine
Alpha 1A
SELECTIVE AGONIST
(NE, EPI)
TETRAHYDRAZOLINE
Alpha 1A, Alpha 1B, and Alpha 1D NON-SELECTIVE ANTAGONIST
NE, EPI
- Phentolamine
- Prazosin
Alpha 1A, Alpha 1B, and Alpha 1D SUICIDE ANTAGONIST
NE, EPI
Phenoxybenzamine
Alpha-1: Gq – excitatory
NE, EPI
Activate PLC –> Increases PKC activity–> Increases cAMK-2
Alpha-2: Gi -Inhibitory
Decreases PKA activity
Alpha 2A, Alpha 2B, and Alpha 2C NON-SELECTIVE AGONIST
NE, EPI
NE, Epinephrine, and Clonidine
Alpha 2A
PARTIAL AGONIST
(NE, EPI)
-LSD-25
Alpha 2A, Alpha 2B, and Alpha 2C NON-SELECTIVE ANTAGONIST
NE, EPI
PHENTOLAMINE, PRAZOSIN, YOHIMBINE
ALPHA 2 RECEPTOR
G-protein Alpha subunit
-Gi
ALPHA 2 RECEPTOR
Beta/gama subunit
- Inhibit –> VDCCs
- Activate–>CDKCs
Beta receptors are
Beta1, Beta2, and Beta3
Beta1, Beta2, and Beta3
Non-Selective Agonists
NE, Epinephrine, Isoproterenol, ephedrine, clenbuterol
Beta2
Selective Agonists
- Albuterol
- Salmeterol
Beta1, Beta2, and Beta3
Non- Selective Antagonists
PROPRANOLOL
Beta1, Beta2, and Beta3
Selective Antagonists
Atenolol
Beta1, Beta2, and Beta3 G-protein
Gs
5-HT1 receptors
5-HT 1A, 5-HT 1B, 5-HT 1D
5-HT 1A, 5-HT 1B, 5-HT 1D
NON-SELECTIVE AGONIST
5-HT and QUIPAZINE