Table 2. Effects of Imines on the Transcriptional Activities of Estrogen Receptor α and β.
agonist
modea |
antagonist modea |
|||||||
---|---|---|---|---|---|---|---|---|
ERα |
ERβ |
ERα |
ERβ |
|||||
EC50 (nM) | eff (% E2) | EC50 (nM) | eff (% E2) | IC50 (nM) | eff (% E2) | IC50 (nM) | eff (% E2) | |
2a | 3 | 110 ± 5 | 34 ± 12 | 126 ± 4 | 13 | 17 ± 3 | ||
2c | 7 | 103 ± 6 | 8 ± 3 | 149 ± 6 | 6 | 27 ± 9 | ||
2d | 5 | 109 ± 3 | 13 ± 9 | 93 ± 5 | 41 | 14 ± 0 | ||
2e | nd | nd | 7 ± 9 | nd | 45 | 10 ± 2 | ||
2f | 1 | 104 ± 3 | 37 ± 9 | 83 ± 9 | 19 | 30 ± 3 | ||
2g | 10 | 102 ± 3 | 10 ± 3 | 109 ± 5 | 16 | 11 ± 2 | ||
2h | 2 | 114 ± 4 | 9 ± 3 | 138 ± 8 | 9 | 6 ± 2 | ||
2i | 23 | 89 ± 3 | 3 ± 2 | 104 ± 6 | 24 | 11 ± 5 | ||
2j | 2 | 114 ± 4 | 10 ± 3 | 113 ± 4 | 7 | 8 ± 2 | ||
2k | 1 | 105 ± 2 | 11 ± 1 | 128 ± 10 | 6 | 4 ± 3 | ||
2n | 14 | 95 ± 2 | 332 | 16 ± 8 | 111 ± 4 | 300 | 33 ± 9 | |
4b | 7 | 102 ± 2 | 628 | 25 ± 8 | 134 ± 34 | 6 | 23 ± 12 | |
4c | 111 ± 4 | 2 | 31 ± 3 | 100 ± 5 | 16 | 29 ± 4 | ||
4d | 14 | 95 ± 2 | 9 ± 2 | 101 ± 2 | 51 | 11 ± 3 | ||
4e | 16 | 103 ± 3 | 10 860 | 20 ± 9 | 122 ± 34 | 241 | 21 ± 9 | |
4f | 0.1 | 113 ± 4 | 54 ± 1 | 136 ± 13 | 6 | 33 ± 6 | ||
4g | 15 | 117 ± 6 | 15 ± 2 | 118 ± 23 | 67 | 15 ± 0 | ||
4h | 4 | 114 ± 3 | 385 | 19 ± 5 | 123 ± 18 | 180 | 15 ± 1 | |
4i | 57 | 100 ± 4 | 11 ± 6 | 95 ± 9 | 28 | 16 ± 2 | ||
4j | 10 | 108 ± 3 | 23 ± 8 | 124 ± 6 | 139 | 14 ± 2 | ||
4k | 9 | 113 ± 4 | 12 460 | 24 ± 2 | 111 ± 5 | 100 | 13 ± 6 | |
4l | 17 | 102 ± 3 | 276 | 38 ± 13 | 102 ± 6 | 20 ± 24 | ||
4n | 7 | 97 ± 3 | 51 ± 10 | 108 ± 4 | 417 | 25 ± 10 |
In the agonist mode, ERE-luciferase assays were performed with 12-point dose curves of the indicated ligands, whereas in the antagonist mode, this was done in the presence of 10 nM E2.