C protein (beta gamma) subunit-mediated presynaptic inhibition: regulation of exocytotic fusion downstream of Ca2+ entry.
The nervous system can modulate neurotransmitter release by neurotransmitter activation of heterotrimeric GTPDbinding protein (G protein)Dcoupled receptors. We found that microinjection of G protein bg subunits (Gbg) mimics serotoninOs inhibitory effect on neurotransmission. Release of free Gbg was...
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