Coluracetam (MKC-231) is a new choline uptake enhancer.
In vitro: MKC-231 (10(-10)-10(-6) moll) significantly increased high affinity choline uptake (HACU) when it was incubated with the hippocampal synaptosomes of ethylcholine mustard aziridinium ion (AF64A) treated rats, but not of normal rats.
In vivo: Oral administration of Coluracetam (MKC-231) (1-10 mg/kg) significantly improved the learning deficits in the Morris' water maze of AF64A-treated rats, but it did not produce any significant side effects, like tremor, salivation or hypothermia, which were observed in rats treated with high doses of tacrine. In acute behavioral experiments, MKC-231 and THA had no significant effect on AF64A-induced memory deficits at any doses tested (0.3, 1.0 and 3.0 mg/kg), whereas Dup 996, at a dose of 1.0 mg/kg, significantly improved memory deficits.
|Body Surface Area (m2)||0.007||0.025||0.15||0.05||0.02||0.5|
|Animal A (mg/kg) = Animal B (mg/kg) multiplied by||Animal B Km|
|Animal A Km|
For example, to modify the dose of resveratrol used for a mouse (22.4 mg/kg) to a dose based on the BSA for a rat, multiply 22.4 mg/kg by the Km factor for a mouse and then divide by the Km factor for a rat. This calculation results in a rat equivalent dose for resveratrol of 11.2 mg/kg.
|Solubility||DMSO: ≥ 60 mg/mL|
Effect of the novel high affinity choline uptake enhancer 2-(2-oxopyrrolidin-1-yl)-N-(2,3-dimethyl-5,6,7,8-tetrahydrofuro[2,3-b] quinolin-4-yl)acetoamide on deficits of water maze learning in rats.
Bessho T, et al. Arzneimittelforschung. 1996 Apr;46(4):369-73. PMID: 8740080.
MKC-231, a choline uptake enhancer, ameliorates working memory deficits and decreased hippocampal acetylcholine induced by ethylcholine aziridinium ion in mice.
Murai S, et al. J Neural Transm Gen Sect. 1994;98(1):1-13. PMID: 7710736.
Triton x-100 is a nonionic, non-denaturing detergent suitable for solubilization, isolation and purification of membrane protein complexes.It is chemically indistinguishable from Nonidet P-40.
Adjudin (also known as AF-2364) is a potent Cl- channel blocker, with a superior mitochondria-inhibitory effect.
2-Phenylethyl isothiocyanate is an NNK-induced lung tumorigenesis inhibitor.
Benzyl isothiocyanate is a naturally-occurring constituent of cruciferous vegetables with antibacterial properties.
Iodixanol is a nonionic hydrophilic compound commonly used as a contrast agent during coronary angiography.
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