MPP+ iodide 是神经毒素 MPTP 的一种有毒代谢物,通过选择性破坏黑质多巴胺能神经元,在动物模型中引起帕金森病症状。MPP+ iodide 被多巴胺转运体吸收进入多巴胺能神经元,通过影响呼吸链复合体 I 对线粒体发挥神经毒性作用。MPP+ iodide 也是 5-羟色胺转运体 (SERT) 的高亲和力底物。
生物活性 | MPP+ iodide, a toxic metabolite of the neurotoxin MPTP, causes symptom of Parkinson's disease in animal models by selectively destroying dopaminergic neurons in substantia nigra. MPP+ iodide is taken up by thedopamine transporterinto dopaminergic neurons where it exerts its neurotoxic action on mitochondria by affecting complex I of the respiratory chain. MPP+ iodide is also a high affinity substrate for theserotonin transporter(SERT)[1][2]. |
体外研究 (In Vitro) | MPP+ (1-3 mM; 24 hours) remarkably decreases the viability of cells[1]. MPP+ also inhibits the activity of nicotinamide adenosine dinucleotide (NADH)-linked respiration in mitochondrial preparations and impairs aerobic glycolysis, leading to the present belief that the inhibition of NADH-linked cell respiration may constitute the final molecular mechanism of MPP+ neurotoxicity[3].
Cell Viability Assay[1] Cell Line: | SH-SY5Y cells | Concentration: | 1, 2, 3 mM | Incubation Time: | 24 hours | Result: | SH-SY5Y cells were treated with MPP+, mimicking the progress of dopaminergic neurons loss in PD; Reduced cell viability in both dose-dependent (1, 2, 3 mM for 24 h) and time dependent (1 mM) manner. |
|
分子量 | |
性状 | |
Formula | |
CAS 号 | |
运输条件 | Room temperature in continental US; may vary elsewhere. |
储存方式 | 4°C, sealed storage, away from moisture *In solvent : -80°C, 6 months; -20°C, 1 month (sealed storage, away from moisture) |
溶解性数据 | In Vitro: H2O : 100 mg/mL(336.54 mM;Need ultrasonic) DMSO : 62.5 mg/mL(210.34 mM;Need ultrasonic) 配制储备液 1 mM | 3.3654 mL | 16.8271 mL | 33.6542 mL | 5 mM | 0.6731 mL | 3.3654 mL | 6.7308 mL | 10 mM | 0.3365 mL | 1.6827 mL | 3.3654 mL |
*请根据产品在不同溶剂中的溶解度选择合适的溶剂配制储备液;一旦配成溶液,请分装保存,避免反复冻融造成的产品失效。 储备液的保存方式和期限:-80℃, 6 months; -20℃, 1 month (sealed storage, away from moisture)。-80℃ 储存时,请在 6 个月内使用,-20℃ 储存时,请在 1 个月内使用。 In Vivo: 请根据您的实验动物和给药方式选择适当的溶解方案。以下溶解方案都请先按照In Vitro方式配制澄清的储备液,再依次添加助溶剂: ——为保证实验结果的可靠性,澄清的储备液可以根据储存条件,适当保存;体内实验的工作液,建议您现用现配,当天使用;
以下溶剂前显示的百 分比是指该溶剂在您配制终溶液中的体积占比;如在配制过程中出现沉淀、析出现象,可以通过加热和/或超声的方式助溶 1. 请依序添加每种溶剂: PBS Solubility: 100 mg/mL (336.54 mM); Clear solution; Need ultrasonic 2. 请依序添加每种溶剂: 10% DMSO 90%corn oil Solubility: 2.5 mg/mL (8.41 mM); Suspended solution; Need ultrasonic
此方案可获得 2.5 mg/mL (8.41 mM) 的均匀悬浊液,悬浊液可用于口服和腹腔注射。 以 1 mL 工作液为例,取 100 μL 25.0 mg/mL 的澄清 DMSO 储备液加到 900 μL玉米油中,混合均匀。 3. 请依序添加每种溶剂: 10% DMSO 40%PEG300 5%Tween-80 45% saline Solubility: ≥ 2.08 mg/mL (7.00 mM); Clear solution
此方案可获得 ≥ 2.08 mg/mL (7.00 mM,饱和度未知) 的澄清溶液。 以 1 mL 工作液为例,取 100 μL 20.8 mg/mL 的澄清 DMSO 储备液加到 400 μL PEG300 中,混合均匀;向上述体系中加入50 μL Tween-80,混合均匀;然后继续加入 450 μL生理盐水定容至 1 mL。 4. 请依序添加每种溶剂: 10% DMSO 90% (20%SBE-β-CDin saline) Solubility: ≥ 2.08 mg/mL (7.00 mM); Clear solution
此方案可获得 ≥ 2.08 mg/mL (7.00 mM,饱和度未知) 的澄清溶液。 以 1 mL 工作液为例,取 100 μL 20.8 mg/mL 的澄清 DMSO 储备液加到 900 μL20% 的 SBE-β-CD 生理盐水水溶液中,混合均匀。 *以上所有助溶剂都可在本网站选购。
|