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. 2020 Aug 18;9:131–140. doi: 10.2147/ITT.S263690

Figure 2.

Figure 2

Signaling pathway activity downstream of CB1. Activated CB1 receptor couples with Gi/o to inhibit adenyl cyclase (AC) activity, thus inhibiting cyclic adenosine monophosphate (cAMP) production and protein kinase A (PKA) activity. CB1 receptor activation also regulates mitogen-activated protein kinases (MAPK) and phosphoinositide 3-kinase (PI3K)/protein kinase B (Akt) pathways.