Table 2.
Effects of increasing concentrations of BAY 58-2667 on sGC protein levels under normal and haem-oxidizing conditions in endothelial cells
ECs |
α1 sGC |
β1 sGC |
||
---|---|---|---|---|
BAY 58-2667 |
ODQ (10 µmol·L−1) |
ODQ (10 µmol·L−1) |
||
[µmol·L−1] | − | + | − | + |
– | 100 | 58 ± 4*** | 100 | 46 ± 3*** |
0.01 | 108 ± 3***††† | 60 ± 8***### | 106 ± 5***††† | 53 ± 5***### |
0.1 | 99 ± 11†† | 64 ± 15*** | 111 ± 11**††† | 74 ± 9***†††# |
1 | 100 ± 9††† | 92 ± 9**†† | 138 ± 13***††† | 129 ± 17***††† |
10 | 103 ± 9††† | 122 ± 12***††† | 162 ± 24***††† | 163 ± 22***††† |
Values are expressed as % control (no ODQ or BAY 58-2667) and are means ± SEM of 4–29 independent experiments.
P < 0.01,
P < 0.005: Student's t-test (indicated sample vs. control);
P < 0.01,
P < 0.005: Student's t-test (indicated sample vs. ODQ treated control);
P < 0.05,
P < 0.005: Student's t-test (substance treatment vs. substance plus ODQ treatment).
BAY 58-2667, 4-[((4-carboxybutyl){2-[(4-phenethylbenzyl)oxy]phenethyl}amino)methyl[benzoic]acid; cGMP, cyclic guanosine monophosphate; EC, endothelial cell; ODQ, 1H-(1,2,4)-oxadiazolo[4,3-a]quinoxalin-1-one; SEM, standard error of the mean; sGC, soluble guanylyl cyclase.