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CNS Receptors
Pharmacology 2 Exam #1 - Receptors and Neurotransmitters
| Question | Answer |
|---|---|
| GABA-A | Ionotropic. Inc Cl conductance |
| GABA-B | Metabotropic. dec cAMP, inc K, dec Ca |
| Glycine alpha and beta subunits | Ionotropic. Inc Cl conductance |
| AMPA (glutamate) | Ionotropic. Inc Na, Inc K conductance (open both channels) |
| Kainate (glutamate) | Ionotropic. Inc Na conductance |
| NMDA (glutamate) | Ionotropic. Inc Na, Inc Ca conductance |
| mGlu group I (glutamate) (m1 and m5) | Metabotropic. inc cAMP(1), inc Ip3/DAG/Ca, dec K |
| D1 Family (D1, D5) (dopamine) | Metabotropic. Inc cAMP |
| D2 Family (D2, D3, D4) (dopamine) | Metabotropic. Dec cAMP, inc K, dec Ca |
| Norepinephrine (excitatory) | Metabotropic. Inc cAMP, inc Ip3/DAG/Ca |
| Norepinephrine (inhibitory) | Metabotropic. dec cAMP, inc K, dec Ca |
| 5-HT1 | Metabotropic. dec cAMP, inc K conductance |
| 5-HT2 | Metabotropic. Inc IP3/DAG/Ca, dec K |
| 5-HT3 | Ionotropic. Inc Na conductance |
| 5-HT 4-7 | Metabotropic. Inc cAMP, dec K |
| H1 (histamine) | Metabotropic. Inc IP3/DAG/Ca, dec K |
| H2 (histamine) | Metabotropic. Inc cAMP, dec K |
| H3 | Unknown. Inhibitory |
| Nicotinic (Alpha 2 - 10, beta 2 - 5) | Ionotropic. Inc Na, Inc Ca, |
| Muscarinic (m1-m5) | Metabotropic. Inc K(2), Dec K(1), dec cAMP, inc IP3/DAG/Ca |
| Enkephalins (Mu, Delta, and Kappa - opioid receptors) | Metabotropic. Inc IP3/DAG/Ca, dec K |
| mGlu group II (glutamate) (m2, m3) | Metabotropic. Dec cAMP, dec Ca, inc K |