Rivastigmine (S-Rivastigmine) 是一种具有口服活性的，有效的胆碱酯酶 (ChE) 抑制剂，可抑制丁酰胆碱酯酶 (BChE) 和乙酰胆碱酯酶 (AChE)，IC50分别为 0.037 μM 和 4.15 μM。Rivastigmine 可透过血脑屏障 (BBB)。Rivastigmine 是一种拟副交感神经剂或胆碱能剂，用于研究轻度至中度阿尔茨海默氏型痴呆和帕金森氏病引起的痴呆。
| 生物活性 | Rivastigmine (S-Rivastigmine) is an orally active and potentcholinesterase (ChE)inhibitor and inhibitsbutyrylcholinesterase (BChE)andacetylcholinesteras (AChE)withIC50s of 0.037 μM , 4.15 μM, respectively. Rivastigmine can pass the blood brain barrier (BBB). Rivastigmine is a parasympathomimetic or cholinergic agent used for the research of mild to moderate dementia of the Alzheimer's type and dementia due to Parkinson's disease[1][2]. |
| IC50& Target | IC50: 0.037 μM (BChE) and 4.15 μM (AChE)[1] |
体外研究
(In Vitro) | Rivastigmine (S-Rivastigmine; 1 μM; 24 hours) reduces LPS (2.5 μg/ml)-induced TNF-α and IL-6 by 50% and 46% combined with carbachol (10 μM), respectively and does not cause any significant reduction in pro-inflammatory cytokines[3].
Rivastigmine (1 μM), carbachol (10 μM), or a combination of both drugs, does not have a cytotoxic effect on activated cells[3].
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体内研究
(In Vivo) | Rivastigmine (S-Rivastigmine; 0.5-2.5 mg/kg; IP; 60 min before the tests) significantly and dose-dependently improved the behavioral impairments caused by Aluminum (HY-B1521)[4].
Rivastigmine (0.5, 1 mg/kg/day; s.c; for 8 days) reduces by about 50% and 60% respectively, the concentration of IL-6 but not those of TNF-α and IL-1β in BALB/c OlaHsd male mice aged 8-9 weeks weighing 200–250 g with acute colitis[3].
Rivastigmine (1 mg/kg), but not (0.5 mg/kg), partially antagonized colon shrinkage and completely prevented bleeding. Treatment with rivastigmine (0.5 mg/kg) causes little change in these pathological manifestations, but rivastigmine (1 mg/kg) causes a partial restoration of the structure of the crypts and a reduction in sub-mucosal edema and cell infiltration. Rivastigmine (1 mg/kg) causes a 4.7% reduction in body weight at the end of the experiment[3].
| Animal Model: | Male Wistar albino rats weighing 190–240 g (90 days old)[4] | | Dosage: | 0.5, 1, 1.5 and 2.5 mg/kg | | Administration: | IP; single dose | | Result: | Significantly and dose-dependently improved the behavioral impairments caused by Aluminum (100 mg/kg/day; i.p.; for 60 days) |
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| 运输条件 | Room temperature in continental US; may vary elsewhere. |
| 储存方式 | | Pure form | -20°C | 3 years | | 4°C | 2 years | | In solvent | -80°C | 6 months | | -20°C | 1 month |
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| 溶解性数据 | In Vitro: DMSO : ≥ 50 mg/mL(199.73 mM) *"≥" means soluble, but saturation unknown. 配制储备液 | 1 mM | 3.9946 mL | 19.9728 mL | 39.9457 mL | | 5 mM | 0.7989 mL | 3.9946 mL | 7.9891 mL | | 10 mM | 0.3995 mL | 1.9973 mL | 3.9946 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。-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： 10% DMSO 40%PEG300 5%Tween-80 45% saline Solubility: ≥ 2.5 mg/mL (9.99 mM); Clear solution
此方案可获得 ≥ 2.5 mg/mL (9.99 mM，饱和度未知) 的澄清溶液。 以 1 mL 工作液为例，取 100 μL 25.0 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。 2. 请依序添加每种溶剂： 10% DMSO 90% (20%SBE-β-CDin saline) Solubility: ≥ 2.5 mg/mL (9.99 mM); Clear solution
此方案可获得 ≥ 2.5 mg/mL (9.99 mM，饱和度未知) 的澄清溶液。 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 μL20% 的 SBE-β-CD 生理盐水水溶液中，混合均匀。 3. 请依序添加每种溶剂： 10% DMSO 90%corn oil Solubility: ≥ 2.5 mg/mL (9.99 mM); Clear solution
此方案可获得 ≥ 2.5 mg/mL (9.99 mM，饱和度未知) 的澄清溶液，此方案不适用于实验周期在半个月以上的实验。 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。 *以上所有助溶剂都可在本网站选购。
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