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Inhibition of D-Amino Acid Oxidase Activity by Antipsychotic Drugs Evaluated by a Fluorometric Assay Using D-Kynurenine as Substrate
被引:14
|作者:
Iwasa, Sumiko
[1
]
Tabara, Hiroshi
[1
]
Song, Ziyu
[1
]
Nakabayashi, Moe
[1
]
Yokoyama, Yuusaku
[2
]
Fukushima, Takeshi
[1
]
机构:
[1] Toho Univ, Dept Analyt Chem, Fac Pharmaceut Sci, Chiba 2748510, Japan
[2] Toho Univ, Dept Synthet Organ Chem, Fac Pharmaceut Sci, Chiba 2748510, Japan
来源:
YAKUGAKU ZASSHI-JOURNAL OF THE PHARMACEUTICAL SOCIETY OF JAPAN
|
2011年
/
131卷
/
07期
基金:
日本学术振兴会;
关键词:
D-amino acid oxidase;
antipsychotic drug;
fluorescence;
D-kynurenine;
RECEPTOR HYPOFUNCTION HYPOTHESIS;
D-SERINE;
IN-VITRO;
SCHIZOPHRENIA;
CHLORPROMAZINE;
BRAIN;
DAAO;
NEUROTRANSMISSION;
DISCOVERY;
RACEMASE;
D O I:
10.1248/yakushi.131.1111
中图分类号:
R9 [药学];
学科分类号:
1007 ;
摘要:
A facile fluorometric assay using D-kynurenine as a substrate was utilized for evaluating the inhibition of D-amino acid oxidase (DAAO), which is one of the products of a susceptibility gene for schizophrenia, by commercial antipsychotic drugs, namely, chlorpromazine (CPZ), carbamazepine, sulpiride, quetiapine, and imipramine. CPZ inhibited DAAO (65.8 +/- 13.2 mu M, n=3) as reported previously, and other drugs also inhibited DAAO activity. Among these, quetiapine had the smallest IC50 value (19.5 +/- 2.60 mu M, n=3). The proposed assay can be useful for the evaluation or screening of DAAO-inhibitory drugs.
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页码:1111 / 1116
页数:6
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