QUANTITATION OF VENOM ANTIGENS FROM EUROPEAN VIPERS IN HUMAN SERUM OR URINE BY ELISA

被引:29
作者
AUDEBERT, F
GROSSELET, O
SABOURAUD, A
BON, C
机构
[1] INST PASTEUR, UNITE VENINS, 25 RUE DR ROUX, F-75724 PARIS 15, FRANCE
[2] HOP FERNAND WIDAL, INSERM, U26, F-75475 PARIS 10, FRANCE
关键词
D O I
10.1093/jat/17.4.236
中图分类号
O65 [分析化学];
学科分类号
070302 ; 081704 ;
摘要
We describe an enzyme-linked Immunosorbent assay (ELISA) to quantitate venom antigens in human serum and urine, and thus to help evaluate the severity of envenomation due to viper bites. This assay, which is performed with commercially available polycional Fab'2s in a double-sandwich method, is rapid, simple, and specific for antigens of European vipers (Vipers aspis, Vipers berus, and Vipers ammodytes). No cross-reactivity was observed with other snake venoms or human serum proteins. It showed a good linear response over a wide range of concentrations of venom antigens (from 1 to 100 ng/mL). It was very sensitive, with detection limits of 7 and 2 ng/mL for Vipera aspis venom in serum and urine, respectively. This ELISA is also easily reproducible; the coefficients of variation determined at different concentrations of venom (50, 25, and 5 ng/mL) did not exceed 10% in serum and 14% in urine samples collected from different donors. This test was applied to determine the concentrations of venom in the serum of patients bitten by a viper in France and to follow its elimination as a function of time. The method is adaptable to other venoms by using other specific immunoglobulins. © 1993 Oxford University Press.
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页码:236 / 240
页数:5
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