Subtypes & Characteristics of ACh receptors Flashcards
1
Q
M1
Location:
Receptor:
Mechanism:
A
Nerves
GPCR, Gq/11
IP3, DAG cascade
2
Q
M2
Location:
Receptor:
Mechanism:
A
Heart, nerves, smooth m.
GPCR, Gi/o
Inhibition of cAMP production, activation of K+ channels
3
Q
M3
Location:
Receptor:
Mechanism:
A
Glands, smooth m., endothelium
GPCR, Gq/11
IP3, DAG cascade
4
Q
M4
Location:
Receptor:
Mechanism:
A
CNS
GPCR, Gi/o
inhibition of cAMP production
5
Q
M5
Location:
Receptor:
Mechanism:
A
CNS
GPCR, Gq/11
IP3, DAG cascade
6
Q
Nm
Location:
Receptor:
Mechanism:
A
skeletal muscle, neuromuscular junction
Pentamer a2bd & g/e
Na+, K+ depolarizing channel
7
Q
Nn
Location:
Receptor:
Mechanism:
A
Postganglionic cell body, dendrites, CNS
a & B only
Na+, K+ depolarizing channel