Table 2.
Chemical structures of trioxilin and hepoxilin analogs and their effect on relaxation at a concentration of 3 μM on mesenteric arteries constricted with U46619.
Eicosanoid | Chemical Structure | Log EC50 (M) | Relaxation at 3 μM (%) |
---|---|---|---|
Trioxilin A3 |
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−5.90 | 78.9±3.2 |
Trioxilin B3 |
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−5.15 | 29.7±4.6 |
Trioxilin C3 |
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−6.00 | 82.2±5.0 |
Hepoxilin A3-ether |
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−5.99 | 88.0±2.4 |
11(R),12(S)-Hepoxilin A3 |
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−5.14 (−4.93) | 20.0±5.1 (10.4±4.3) |
11(S),12(R)-Hepoxilin A3 |
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−5.20 (−4.66) | 27.8±6.3 (7.1±3.3) |
Values represent Mean ± SEM (n=8). Values in parenthesis were determined in the presence of 1μM AUDA. Log EC50 represents concentration that causes 50% of the maximum response.