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Hexokinase inhibitor screening based on adenosine 5 '-diphosphate determination by electrophoretically mediated microanalysis

文献类型:期刊论文

作者Wang, Tongdan1,2; Kang, Jingwu1
刊名Electrophoresis
出版日期2009-04-01
卷号30期号:8页码:1349-1354
关键词Ce Electrophoretically mediated microanalysis Hexokinase Kinase inhibitor screening
ISSN号0173-0835
DOI10.1002/elps.200800542
通讯作者Kang, jingwu(jingwu.kang@mail.sioc.ac.cn)
英文摘要A ce-based method for hexokinase inhibitor screening was developed in the present paper, in this method, hexokinase activity was assayed via electrophoretically mediated microanalysis (emma), which combines on-column hexokinase-mediated reaction and measurement of produced adenosine 5'-diphosphate (adp) via electrophoretical separation and uv detection. enzyme inhibition can be read out directly from the reduced peak area of adp in comparison with a reference electropherogram obtained in the absence of any inhibitor. conditions for on-column enzyme reaction and separation of adenosine 5'-triphosphate (atp) and adp were optimized. the optimal buffer composition for enzymatic reaction was 25 mm hepfs buffer (ph 7.5) containing 5 mm mgcl(2), whereas the optimal buffer composition for separation was 100 in m tris-phosphate buffer (ph 5.5) containing 0.02% (m/v) hexadimethrine bromide (hdb). fortunately, discontinuous buffer system call be adapted easily in the emma method. the time for separation was reduced dramatically to less than 3 min by reversing the direction of eof via dynamically coating the capillary wall with the cationic polyelectrolyte hdb. moreover, the peak tailing of atp was also reduced by hdb coating. the z' factor as high as 0.98 was obtained, indicating a high quality of the screening data. the present method is simple, robust and cost-effective.
WOS关键词MICELLAR ELECTROKINETIC CHROMATOGRAPHY ; FLOW CAPILLARY-ELECTROPHORESIS ; PARTIAL FILLING TECHNIQUE ; ENANTIOMERIC SEPARATION ; ENZYMATIC-REACTION ; NATURAL EXTRACTS ; VANCOMYCIN ; ASSAYS ; VALIDATION ; CANCERS
WOS研究方向Biochemistry & Molecular Biology ; Chemistry
WOS类目Biochemical Research Methods ; Chemistry, Analytical
语种英语
WOS记录号WOS:000265968300009
出版者WILEY-V C H VERLAG GMBH
URI标识http://www.irgrid.ac.cn/handle/1471x/2404256
专题中国科学院大学
通讯作者Kang, Jingwu
作者单位1.Chinese Acad Sci, Shanghai Inst Organ Chem, Shanghai 200032, Peoples R China
2.Chinese Acad Sci, Grad Sch, Beijing, Peoples R China
推荐引用方式
GB/T 7714
Wang, Tongdan,Kang, Jingwu. Hexokinase inhibitor screening based on adenosine 5 '-diphosphate determination by electrophoretically mediated microanalysis[J]. Electrophoresis,2009,30(8):1349-1354.
APA Wang, Tongdan,&Kang, Jingwu.(2009).Hexokinase inhibitor screening based on adenosine 5 '-diphosphate determination by electrophoretically mediated microanalysis.Electrophoresis,30(8),1349-1354.
MLA Wang, Tongdan,et al."Hexokinase inhibitor screening based on adenosine 5 '-diphosphate determination by electrophoretically mediated microanalysis".Electrophoresis 30.8(2009):1349-1354.

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来源:中国科学院大学

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