1A 1B^23
hCB2A
ex2 ex3 hCB2B
ex1A ex1B ex3
123
mCB2A
ex2 ex3 mCB2B
ex1 ex3
123
rCB2A
ex2 ex3 rCB2B
ex1 ex3
ex1 ex2 ex3 rCB2C
ex3A ex3B
rCB2D
(a)
(b)
(c)
Fig. 10.1 Species differences inahumanCNR2,bmouseCnr2andcratCnr2CB2 receptor gene
structures and transcript variants indicating the identified isoforms
10 Cannabinoid CB2 Receptor Mechanism ofCannabis sativaL. 231