RECOMBINANT ANTIBODY-ALKALINE PHOSPHATASE CONJUGATES FOR DIAGNOSIS OF HUMAN IGGS - APPLICATION TO ANTI-HBSAG DETECTION

被引:50
作者
CARRIER, A [1 ]
DUCANCEL, F [1 ]
SETTIAWAN, NB [1 ]
CATTOLICO, L [1 ]
MAILLERE, B [1 ]
LEONETTI, M [1 ]
DREVET, P [1 ]
MENEZ, A [1 ]
BOULAIN, JC [1 ]
机构
[1] CEA SACLAY,DEPT INGN & ETUD PROT,F-91191 GIF SUR YVETTE,FRANCE
关键词
ALKALINE PHOSPHATASE; IMMUNOASSAY; RECOMBINANT TRACER; COLORIMETRIC ANTIBODY; ANTI-HBSAG DETECTION;
D O I
10.1016/0022-1759(94)00344-V
中图分类号
Q5 [生物化学];
学科分类号
071010 ; 081704 ;
摘要
We have designed an expression vector permitting the production in the periplasm of Escherichia coli of a fusion protein comprising a dimer of bacterial alkaline phosphatase (PhoA) and two Fab or scFv fragments of a monoclonal antibody directed against human IgG. Each hybrid protein expressed both high specificity for the antigen and full PhoA activity. We show that crude periplasmic extracts containing these conjugates can be used as such in enzyme immunoassays for the detection of human IgG, as exemplified in the case of anti-hepatitis B immunoglobulin.
引用
收藏
页码:177 / 186
页数:10
相关论文
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