13585831301
021-59541103 021-60443211
3004967995
13585831301021-59541103 021-604432113004967995
聯系人:高小姐
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詳細地址：上海嘉定區嘉羅公路1661
化學性質：
| 規格 | 10mM (in 1mL DMSO) 50mg |
| CAS | 107254-86-4 |
| 別名 |
|
| 化學名 | 5-nitro-2-((3-phenylpropyl)amino)benzoic acid |
| 分子式 | C16H16N2O4 |
| 分子量 | 300.31 |
| 溶解度 | ≥ 11.05mg/mL in DMSO |
| 儲存條件 | Store at RT |
| 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 |
產品描述：
NPPB, 5-nitro-2-(3-phenylpropylamino)-benzoic acid, is a potent inhibitor of chloride channel with IC50 of 80 nM for the short circuit current.[1]
Chloride channel blockers possess several sites of interaction, including the negatively charged carboxylate group, the secondary amine group which probably carries a positive partial charge, and for the very potent agents like NPPB an additional negative partial charge at the -NO2 substituent. In addition, an apolar interaction with a cycloaryl residue is necessary, and this site of interaction has a specific spacing from the secondary amino nitrogen.[1]
NPPB was evaluated for the activity on the equivalent short circuit current, corresponding to the secondary active transport of Cl- and measurements of the voltage across the basolateral membrane. The result revealed that NPPB possessed a good potency with IC50 of 80 nM for inhibiting the short circuit current. Furthermore, NPPB was also tested for its activity on various anion channels. Adopting freshly-isolated cells from the rat portal vein, the effects of NPPB were investigated on evoked and spontaneous currents by use of conventional whole-cell recording and perforated-patch techniques. At a holding potential of -60 mV in potassium-free, caesium-containing solutions, NPPB (10 μM) inhibited Ca-sensitive chloride currents (ICI(Ca)) evoked by caffeine (10 mM) and by noradrenaline (10μM) by the extend of 58% and 96%, respectively. In addition, at a holding potential of -2 mV in potassium -containing solutions, NPPB (10 μM) inhibited charybdotoxin-sensitive potassium-currents (IBK(Ca)) induced by noradrenaline (10 μM) and acetylcholine (10 μM) by approximately 90%. NPPB's inhibitory effects of volume-activated taurine, glucose, and uridine influxes was studied. The IC50 for the inhibition of the volume- activated fluxes by NPPB was around 12 μM. [1-3]
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原創作者：上海莼試生物技術有限公司
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賬 戶 名：上海生物
開 戶 行：中國銀行山東省分行營業部
賬 號：2169 2341 6278
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