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cAMP-dependent
protein kinase
type II-beta
regulatory
subunit
cAMP-dependent
protein kinase
catalytic
subunit alpha
cAMP-dependent
protein kinase
catalytic
subunit beta
cAMP-dependent
protein kinase
type I-alpha
regulatory
subunit
cAMP-dependent
protein kinase
catalytic
subunit gamma
cAMP-dependent
protein kinase
type I-beta
regulatory
subunit
cAMP-dependent
protein kinase
type II-alpha
regulatory
subunit
D(2) dopamine
receptor
Adenylate
cyclase type 5
Synaptic
vesicular amine
transporter
Sodium-
dependent
dopamine
transporter
Voltage-
dependent
calcium channel
subunit
alpha-2/delta-1
Voltage-
dependent
calcium channel
subunit
alpha-2/delta-2
Voltage-
dependent
N-type calcium
channel subunit
alpha-1B
Tyrosine
3-monooxygenase
Aromatic-L-
amino-acid
decarboxylase
cAMP
Ca
+
Dopamine
Dopamine
Asenapine
Dopamine
Ca
+
Asenapine
Asenapine
L-Tyrosine
L-Dopa
CO
2
Na
+
Na
+
ATP
Fe2+
Pyridoxal
5'-phosphate
Guanine
nucleotide-
binding protein
G(i) subunit
alpha-1
Neuronal
Excitability
Activation of D2 dopamine
receptors activates the Gi
signalling cascade which
leads to reduced cAMP. and
PKA
Reward Pathway
Presynaptic Neuron
Cytosol
Synaptic Vesicle
Postsynaptic Neuron
Cytosol
Dopamine is produced in the
Ventral Tegmental Area of
the brain
Prefrontal Cortex
Synapse
Increased dopamine activates
D2 dopamine receptor in the
limbic system
Blood-Brain Barrier
Diffusion
Asenapine is administered as
a sublingual tablet
PRKAR2B
PRKACA
PRKACB
PRKAR1A
PRKACG
PRKAR1B
PRKAR2A
DRD2
ADCY5
SLC18A2
SLC6A3
CACNA2D1
CACNA2D2
CACNA1B
TH
DDC
cAMP
Calcium
Dopamine
Dopamine
Asenapine
Dopamine
Calcium
Asenapine
Asenapine
L-Tyrosine
L-Dopa
Carbon dioxide
Sodium
Sodium
Adenosine
triphosphate
GNAI1
Neuronal
Excitability
PRKAR2B
PRKACA
PRKACB
PRKAR1A
PRKACG
PRKAR1B
PRKAR2A
DRD2
ADCY5
SLC18A2
SLC6A3
CACNA2D1
CACNA2D2
CACNA1B
TH
DDC
cAMP
Ca
+
LDP
LDP
Asena
LDP
Ca
+
Asena
Asena
Tyr
L-Dopa
CO
2
Na
+
Na
+
ATP
Fe2+
Pyr-5'P
GNAI1
Neu Exc
Activation of D2 dopamine
receptors activates the Gi
signalling cascade which
leads to reduced cAMP. and
PKA
Reward Pathway
Presynaptic Neuron
Cytosol
Synaptic Vesicle
Postsynaptic Neuron
Cytosol
Dopamine is produced in the
Ventral Tegmental Area of
the brain
Prefrontal Cortex
Synapse
Increased dopamine activates
D2 dopamine receptor in the
limbic system
Blood-Brain Barrier
Diffusion
Asenapine is administered as
a sublingual tablet