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. 2008 Sep 1;155(7):1104–1116. doi: 10.1038/bjp.2008.340

Table 1.

Radioligand competitive binding assays

Ligand Mean Ki (nM)
  Human CB1 Human CB2 Rat CB1 Rat CB2
MDA7 >10,000 422±123 2565±695 238±143
CP55,940 3.4 1.8±1.1 ND 1.1±0.02
AM251 ND ND 0.58±0.06 ND

Abbreviations: CB1, cannabinoid receptor type 1; CB2, cannabinoid receptor type 2; ND, not done.