Table 1.
Number of active PFAS compounds identified for each assay from the set of 136 PFAS compounds tested.
| Molecular Initiating Event | ≥ 20% activity at highest test concentration | ≥ 50% activity at highest test concentration | Number with EC50 |
|---|---|---|---|
| Human Deiodinase 1 (hDIO1) | 28 | 19 | 19 |
| Human Deiodinase 2 (hDIO2) | 34 | 18 | 15 |
| Human Deiodinase 3 (hDIO3) | 23 | 13 | 11 |
| Xenopus Deiodinase 3 (xDIO3) | 24 | 17 | 12 |
| Human Iodotyrosine Deiodinase (hIYD) | 26 | 13 | 11 |
| Xenopus Iodothyronine Deiodinase (xIYD) | 19 | 8 | 6 |
| Human Thyroid Peroxidase (hTPO) | 15 | 4 | 3 |
| Human Transthyretin (hTTR) | 102 | 82 | 76 |
| Human Thyroid Binding Globulin (hTBG) | 37 | 9 | 7 |