TABLE 5

Effects of 5-HOB and formoterol on inotropy and vascular relaxation

Left atrium was isolated from Dunkin Hartley guinea pigs and aortic ring was isolated from Sprague Dawley rats. The values are expressed as means of n = 2 for left atrium and n = 7 for aortic ring.

EC50 (nM)
Formoterol5-HOB
Inotropy17>10,000
Vascular relaxation0.831