METHODS TO QUANTITATE HUMAN HAPTOGLOBIN BY COMPLEXATION WITH HEMOGLOBIN

被引:14
作者
CERDA, S [1 ]
OH, SK [1 ]
机构
[1] BOSTON UNIV,SCH MED,DEPT MICROBIOL,S-413,80 E CONCORD ST,BOSTON,MA 02118
关键词
Affinity chromatography; Monoclonal antibody; ELISA; Haptoglobin; Hemoglobin; Polyclonal antiserum;
D O I
10.1016/0022-1759(90)90111-8
中图分类号
Q5 [生物化学];
学科分类号
071010 ; 081704 ;
摘要
Native human haptoglobin isolated from normal human plasma by affinity chromatography on chicken hemoglobin -Sepharose was used as standard antigen. A direct sandwich ELISA for haptoglobin was developed, with human hemoglobin as a capturing agent. The peroxidase activity of the complex was measured as a means of detecting functional haptoglobin. The reactivities of monoclonal antibody vs. polyclonal antisera on the haptoglobin-hemoglobin complex were compared. Adopting a monoclonal antibody, clone 21.7, which is directed to the α chain of haptoglobin, a specific method to quantitate the native haptoglobin which can complex with hemoglobin has been developed. © 1990.
引用
收藏
页码:51 / 59
页数:9
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