CNS Drug List Flashcards
(38 cards)
what is the glutamate receptor and what is its mechanism?
NMDA and ^ Ca2+, Na2+, K+ conductance
what drugs decrease NMDA release?
morphone, heroin, and THC
what drugs decrease NMDA receptor activation
PCP
Ethanol
What are the two receptors associated with Acetylcholine?
M and N
what is the mechanism of Acetycholine?
G-protein linked: ^ IP3, ^ DAG, and decrease K+ conductance
Ion channels: ^ Na+, K+ conductance
what is a direct agonist for acetylcholine, and an antagonist?
agonist: donepezil
antagonist: benztroine
what are two inhibitory neurotransmitters?
GABA and Dopamine
what are the two GABA receptros, and what is the mechanism of GABA?
a and b
ionchannel: ^ CL- conductance
G-protein: ^K+conductance
what decreases the release of GABA?
THC, morphine and Heroin
what do these 3 drugs do?
dizapam
phenobartial
ethanol?
Increase GABAa receptor activation
what is the receptor and mechanism of Dopamine?
D2
Presynatic: G-protein -> decrease Ca+2 conductance
postsynaptic: G-protein -> ^ K+ conducntance and decrease cAMP
what drug increases dopamine synthesis?
L-DOPA
what drug increases dopamine release?
amphetamine
what drug decreases dopamine reuptake?
cocaine
what drug decreases dopamine metabolism?
phenelzine and selegiline
what is a D2 agonist?
ropinirole
what is a D2 antagonist?
haloperiode
olanzapine
what is the cause of AD? (alzheimers Disease)
loss of cholinergic projection neurons,
what is the cause of Parkinsons Dieaseas?
loss of nigro-striatal dopamine projection neurons
how is dopamine linked to psychosis and schizophrenia?
excess dopamine neurotransmission in limbic system
name the 3 receptors and linked mechanism to norepinephrine
alpha1-> g-protein: ^IP3, ^DAG, ˇK+ conductance
alpha2-> g-protein: ˇcAMP
beta1 -> g-protein:^ cAMP
what increases norepinephrine release?
amphetamine
tyramine
what decreases norepinephrine release?
morphine
heroine
what decreases norepineprhine reuptake?
imipramine
cocaine