90 likes | 330 Views
PKC phosphorylates the transporter. DAG and AA both stimulate the activity of Protein Kinase C (PKC). PLA2 produces arachidonic acid. PLC produces IP3 and DAG. High intracellular pH stimulates Phospholipase A2 action. Transporter of the amphetamine and Na+ lead to an AMPH and Na+ build up.
E N D
PKC phosphorylates the transporter DAG and AA both stimulate the activity of Protein Kinase C (PKC) PLA2 produces arachidonic acid PLC produces IP3 and DAG High intracellular pH stimulates Phospholipase A2 action Transporter of the amphetamine and Na+ lead to an AMPH and Na+ build up Ca2+ buildup stimulates phospholipase C (PLC) AMPH buildup increases intracellular pH Na+ buildup inhibits Ca2+ eflux, leading to Ca2+ buildup DAT P P P 8 Ca2+ AMPH Na+ PLA2 AA IP3 PLC DAG PKC AMPH Na+ pH ~7 Ca2+ Na/Ca antiporter
Normal Vesicular release of neurotransmitter 5-HT 5-HT 5-HT 5-HT 5-HT 5-HT 5-HT 5-HT 5-HT Extracellular Intracellular
Normal Vesicular release of neurotransmitter 5-HT 5-HT 5-HT 5-HT 5-HT 5-HT 5-HT 5-HT 5-HT Extracellular Intracellular
Normal Vesicular release of neurotransmitter Extracellular 5-HT 5-HT 5-HT 5-HT 5-HT Intracellular 5-HT 5-HT 5-HT 5-HT
Normal Vesicular release of neurotransmitter 5-HT 5-HT 5-HT 5-HT 5-HT 5-HT 5-HT 5-HT 5-HT Extracellular Intracellular
Normal uptake of neurotransmitter 5-HT 5-HT 5-HT 5-HT 5-HT 5-HT 5-HT 5-HT Extracellular 5-HT Intracellular
Normal uptake of neurotransmitter 5-HT 5-HT 5-HT 5-HT 5-HT 5-HT 5-HT Extracellular 5-HT Intracellular 5-HT 5-HT 5-HT 5-HT
Phosphorylation of Transporter creates conformational change P P P P PKC 5-HT 5-HT 5-HT 5-HT 5-HT 5-HT 5-HT Extracellular Intracellular 5-HT 5-HT 5-HT 5-HT
Conformational change “creates” intracellular binding site, favoring reverse transport P P P P PKC 5-HT 5-HT 5-HT 5-HT 5-HT 5-HT 5-HT 5-HT Extracellular Intracellular 5-HT 5-HT 5-HT 5-HT 5-HT