化学性质:
规格 | 10mg 50mg |
CAS | 4673-26-1 |
别名 |
|
化学名 | dodecahydrodibenzo[b,d]iodol-5-ium chloride |
分子式 | C12H8ClI |
分子量 | 314.55 |
溶解度 | 500 µg/ml in DMSO, <100 µg/ml in Ethanol, <100 µg/ml in Methanol |
储存条件 | Desiccate at -20°C |
General tips | For obtaining a higher solubility , please warm the tube at 37 ℃ and shake it in the ultrasonic bath for a while. |
Shipping Condition | Evaluation sample solution : ship with blue ice |
产品描述:
Diphenyleneiodonium chloride (DPI) is an agonist of GPR3 with EC50 value of 1μM [1]. Also, diphenyleneiodonium chloride inhibits NADH oxidase (NOX), NO synthase and cytochrome P450 reductase [2] [3] [4].
G protein-coupled receptor 3 (GPR3) is an orphan G protein-coupled receptor (GPCR) with constitutive G(s) signaling activity that activates cyclic AMP and is mainly expressed in mammalian brain and oocytes [1].
DPI is a GPR3 agonist. In HEK293 cells stably expressed GPR3, DPI increased the level of intracellular cAMP, which was independent of NOX inhibition. DPI activated adenylate cyclase in cells expressing GPR3. In HeLa cells coexpressed β-arrestin2 and GPR3, DPI increased Ca2+ mobilization, GPR3 receptor desensitization and membrane localization of β-arrestin2 [1]. In HeLa cells, DPI inhibited NADPH oxidation by NOX with EC50 value of 0.1 μM [2]. In mouse macrophages, DPI irreversibly and completely inhibited NO synthase, which was blocked by NADP+, NADPH or 2’ 5’ -ADP. Also, DPI inhibited acetylcholine-induced relaxation of norepinephrine-preconstricted rabbit aortic rings with IC50 value of 300 nM [3]. DPI irreversibly inhibited NADPH cytochrome P450 oxidoreductase with Ki value of 2.8 μM [4].
In rats, DPI (10-5 mol/kg) inhibited the depressor response to acetylcholine [5].
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