High-Performance Liquid Chromatographic Assay for Catechol-O-methyltransferase in Human and Rat Erythrocyte Membrane and Soluble Fractions, and Rat Tissues
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概要
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The previously reported assay method for catechol-O-methyltransferase, which uses 2-(3,4-dihydroxyphenyl)naphtho[1,2-d]thiazole as a fluorogenic substrate, was applied to the assay of the enzyme in human and rat erythrocyte membrane and soluble fractions, and various rat tissue preparations, with some modifications. The m- and p-methylated products formed enzymatically were determined by normal-phase high-performance liquid chromatography with fluorescence detection. The detection limits for the m- and p-methylated products were 1 pmol per assay tube (50fmol per injection volume of 50μl) in each case. No difference among the preparations was observed in optimal reaction conditions for the enzyme, but the ratio of m- and p-methylated products and the Michaelis constant values for the substrate and S-adenosyl-L-methionine (methyl donor) varied from preparation to preparation.
- 公益社団法人日本薬学会の論文
- 1986-11-25
著者
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大倉 洋甫
Faculty Of Pharmaceutical Sciences Kyushu University
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能田 均
Faculty of Pharmaceutical Sciences, Kyushu University
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能田 均
九州大学薬学部
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大倉 洋甫
Faculty Of Pharmaceutical Science Kyushu University
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大倉 陽甫
Faculty Of Pharmaceutical Sciences Kyushu University Katakasu Fukuoka
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野間 俊哉
Faculty of Pharmaceutical Sciences, Kyushu University
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野間 俊哉
Faculty Of Pharmaceutical Sciences Kyushu University
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