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4-P-PDOT is a MT2-receptor-specific antagonist, it is >300-fold more selective for MT2 than MT1. 4-P-PDOT significantly counteracts Melatonin-mediated antioxidant effects (GSH/GSSG ratio, phospho-ERK, Nrf2 nuclear translocation, Nrf2 DNA-binding activity). In CHO-MT2 cells, 4-P-PDOT is an agonist, producing a concentration-dependent inhibition of forskolin stimulated cyclic AMP, with a pEC50 value of 8.72 and intrinsic activity of 0.86. In vivo, 4-P-PDOT (0.5-1.0 mg/kg; intravenous injection) treatment on klotho mutant mice significantly reverses antioxidant effects mediated by Melatonin.
| Molecular Weight | 279.38 |
| Formula | C19H21NO |
| CAS Number | 134865-74-0 |
| Form | Solid |
| Solubility (25°C) | DMSO ≥ 30 mg/mL |
| Storage |
Powder -20°C 3 years ; 4°C 2 years In solvent -80°C 6 months ; -20°C 1 month |
| Related Melatonin Receptor Products |
|---|
| Melatonin
Melatonin is a hormone made by the pineal gland that can activates melatonin receptor. Melatonin is a novel selective ATF-6 inhibitor and induces human hepatoma cell apoptosis through COX-2 downregulation. |
| Agomelatine
Agomelatine is a metabolically stable analog of melatonin that displays agonist activity for MT1 and MT2 binding with nanomolar affinity. Agomelatine is also a selective 5-HT2C receptor antagonist with pKis of 6.4 and 6.2 at native (porcine) and cloned, human 5-HT2C receptors, respectively. |
| Ramelteon (TAK-375)
Ramelteon (TAK-375) is a novel melatonin receptor agonist for human MT1 and MT2 receptors and chick forebrain melatonin receptors with Ki of 14 pM, 112 pM and 23.1 pM, respectively. |
| 2-Phenylmelatonin
2-Phenylmelatonin is a potent melatonin agonist. |
| Luzindole
Luzindole (N-0774) is a selective competitive melatonin MT1/MT2 antagonist with Ki values of 10.2 and 158 nM for human MT2 and MT1, respectively. |
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