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. 2017 May 1;2(1):87–95. doi: 10.1089/can.2016.0032

FIG. 4.

FIG. 4.

Efficacy of THCA-A and THC in cAMP assays, CB1 on the left, CB2 on the right. (A–D) Show representative images of the biosensor traces of single experiments carried out in duplicate. (A, B) Show that THC (10 μM) inhibits cAMP at both CB1 (left) and CB2 (right). (C, D) Show the same assay carried out with THCA-A. THCA-A can be seen to inhibit forskolin mediated cAMP alone and to partially antagonize the ability of CP55,940 to inhibit cAMP at CB1, but has no effect under equivalent conditions at CB2. The lower panels (E, F) are summary data for the area under the curve analyses for all replicate assays combined (n=5 for CB1 or n=6 for CB2). *p=0.0065 by paired t-test, n=5. #p=0.015 t-test compared to 100%. cAMP, cyclic adenosine monophosphase.