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. 2000 Jul 15;526(Pt 2):313–326. doi: 10.1111/j.1469-7793.2000.00313.x

Figure 4. Pharmacological characterization of the receptor subtype involved in adenosine-induced ICa inhibition.

Figure 4

A 1 and B 1, representative experiments illustrating the effects of the A1 antagonist CPT (10−6 M) and the A2 antagonist DMPX (10−5 M) on 10−6 M adenosine (A 1)- and 10−6 M CHA (B 2)-induced ICa inhibition. A 2 and B 2, summary of the effects of CPT and DMPX on 10−6 M adenosine (A 2)- and 10−6 M CHA (B 2)-induced ICa inhibition (adenosine, n= 4; CHA, n= 5). C 1, representative experiments illustrating the effects of CPT and DMPX on DPMA (10−6 M)- and APNEA (10−6 M)-induced ICa inhibition. C 2, summary of the effects of CPT and DMPX on DPMA-induced ICa inhibition (n= 7). C 3, summary of the effects of CPT and DMPX on APNEA-induced ICa inhibition (n= 4). * P < 0.05; n.s., not significant.