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. 2016 Sep 22;10:431. doi: 10.3389/fnins.2016.00431

Table 4.

Characterization of MA2, MA3, 12, and NE40 in functional cAMP assays and radioligand binding assays with [3H]CP55940.

NE40 MA2 MA3 12
hCB2 cAMP EC50 [nM] (% eff) 8 (−178) 3 (101) 0.13 (102) 0.15 (100)
mCB2 cAMP EC50 [nM] (% eff) 11 (−128) 2 (100) 0.09 (101) 0.18 (100)
EC50 ratio hCB1/hCB2 > 1250 430 563 1300
hCB2 Ki [nM] 4 87 0.8 2.8
hCB1 Ki [nM] 1037 1611 102 568
Ki ratio hCB1/hCB2 241 19 127 202
mCB2 Ki [nM] 2 241 2.6 4.6