Table 1.
pEC50 | |||||
---|---|---|---|---|---|
Inhibitor | Bradykinin | SNAP | L-SNC | D-SNC | DEA-NONOate |
None | 8.2±0.1 (45) | 7.1±0.1 (14) | 6.5±0.1 (22)# | 6.0±0.1 (18) | 6.6±0.1 (4) |
Hoe140 | <6 (3)* | ||||
Indomethacin | 8.0±0.1 (5) | ||||
ODQ | 7.2±0.2 (15)* | 5.7±0.1 (11)* | 5.3±0.1 (9)* | 5.3±0.1 (13)* | 5.8±0.1 (4)† |
Hydroxocobalamin | 6.8±0.2 (16)* | 6.5±0.2 (11)* | 5.4±0.2 (8)† | 5.5±0.1 (13)* | 5.9±0.1 (4)† |
L-NAME | 7.7±0.1 (23)† | 7.5±0.3 (5) | |||
Apamin | 8.5±0.2 (7) | 7.2±0.1 (4) | |||
Charybdotoxin | 8.2±0.2 (8) | ||||
Iberiotoxin | 8.4±0.2 (6) | 7.1±0.1 (4) | |||
Charybdotoxin+apamin | 7.6±0.3 (7) | 7.2±0.1 (6) | 6.0±0.1 (10)* | 5.9±0.1 (13) | 6.5±0.1 (4) |
Iberiotoxin+apamin | 8.8±0.2 (6) | 7.1±0.2 (5) | |||
Ouabain+BaCl2 | 8.7±0.1 (6) | 6.7±0.1 (4)† | |||
Glibenclamide | 7.2±0.1 (5) | ||||
4-Aminopyridine | 7.1±0.5 (4) | ||||
No endothelium | 7.3±0.1 (9)† | ||||
No endothelium+charybdotoxin+apamin | 7.0±0.1 (4) | ||||
ODQ+hydroxocobalamin | <5 (5)*‡ | 4.6±0.3 (5)*§ | 4.3±0.2 (12)*‡ | ||
ODQ+charybdotoxin+apamin | 5.6±0.2 (5)* | 5.3±0.1 (5)* | 5.2±0.1 (5)* | ||
Hydroxocobalamin+charybdotoxin+apamin | 6.3±0.2 (6)† | 5.3±0.2 (5)† | 5.7±0.1 (5)† | ||
ODQ+hydroxocobalamin+charybdotoxin+apamin | <5 (3)*‡ | 4.5±0.2 (5)*‡ | 4.3±0.2 (8)*‡ |
Data are mean±s.e.m. (n value);
P<0.01 vs none;
P<0.05 vs none;
P<0.01 vs hydroxocobalamin or ODQ;
P<0.05 vs hydroxocobalamin or ODQ;
P<0.05 vs D-SNC.