Highly specific and sensitive immunoassay for the measurement of prostaglandin E2 in biological fluids

被引:4
作者
Gao, Yuan [1 ,2 ,3 ]
Hou, Rui [1 ,2 ]
Liu, Fen [1 ,2 ]
Cai, Runlan [1 ,2 ]
Fang, Lei [1 ,2 ]
Peng, Cheng [3 ]
Qi, Yun [1 ,2 ]
机构
[1] Chinese Acad Med Sci, Inst Med Plant Dev, Beijing 100193, Peoples R China
[2] Peking Union Med Coll, Beijing 100193, Peoples R China
[3] Chengdu Univ Tradit Chinese Med, Coll Pharm, Chengdu 610075, Peoples R China
基金
北京市自然科学基金;
关键词
BOVINE SERUM-ALBUMIN; MONOCLONAL-ANTIBODY; PROTEIN ANTIGENS; E SYNTHASE; INHIBITION; ENZYME; RADIOIMMUNOASSAY; CATIONIZATION; HAPTEN; CONJUGATE;
D O I
10.4155/bio.15.130
中图分类号
Q5 [生物化学];
学科分类号
071010 ; 081704 ;
摘要
Background: Lack of specificity of anti-PGE(2) antibodies is a long-standing problem. Given quite a few analogs and low PGE(2) content in biological fluids, it is quite important to simultaneously meet the demands of high specificity and sensitivity. Results: Highly specific anti-PGE(2) antibodies were obtained by combined use of cationic carrier protein and Mannich reaction. The cross-reactivity values of the resultant polyclonal and monoclonal antibodies against eight analogs were <14 and <5%, respectively. Furthermore, we established a highly sensitive ELISA, which could be applied to direct analysis of PGE(2) at the pg/ml level (LOQ = 15.6 pg/ml). Conclusion: We provide an appropriate strategy to develop a highly-specific and sensitive immunoassay for measuring low PGE(2) content in biological samples.
引用
收藏
页码:2597 / 2607
页数:11
相关论文
共 36 条
[31]   QUANTITATION OF EPSILON-AMINO GROUP USING AMINO-ACIDS AS REFERENCE-STANDARDS BY TRINITROBENZENE SULFONIC-ACID - A SIMPLE SPECTROPHOTOMETRIC METHOD FOR THE ESTIMATION OF HAPTEN TO CARRIER PROTEIN RATIO [J].
SASHIDHAR, RB ;
CAPOOR, AK ;
RAMANA, D .
JOURNAL OF IMMUNOLOGICAL METHODS, 1994, 167 (1-2) :121-127
[32]  
TANAKA T, 1985, BIOCHIM BIOPHYS ACTA, V836, P125
[33]   Coordinate up- and down-regulation of glutathione-dependent prostaglandin E synthase and cyclooxygenase-2 in A549 cells -: Inhibition by NS-398 and leukotriene C4 [J].
Thorén, S ;
Jakobsson, PJ .
EUROPEAN JOURNAL OF BIOCHEMISTRY, 2000, 267 (21) :6428-6434
[34]  
Watanabe S, 1997, BIOL PHARM BULL, V20, P101
[35]   Preparation for aflatoxin B1-cationized bovine serum albumin based on Mannich-type reaction [J].
Zhou, Youxiang ;
Wu, Jiajia ;
Yu, Wei ;
Xu, Ying ;
Wang, Ping ;
Xie, Bijun ;
Chen, Fusheng .
JOURNAL OF IMMUNOLOGICAL METHODS, 2007, 328 (1-2) :79-88
[36]   RADIOIMMUNOASSAY OF A-PROSTAGLANDINS [J].
ZUSMAN, RM ;
SPEROFF, L ;
CALDWELL, BV ;
BEHRMAN, HR .
PROSTAGLANDINS, 1972, 2 (01) :41-&