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  • Title: Specific enzyme immunoassay for human chorionic gonadotropin using antibody to the synthetic peptide corresponding to the carboxyl-terminal region of the beta-subunit of hCG.
    Author: Furuhashi Y, Sekiya T, Goto S, Kaseki S, Tomoda Y.
    Journal: Endocrinol Jpn; 1982 Oct; 29(5):517-21. PubMed ID: 6189707.
    Abstract:
    A sandwich-type enzyme immunoassay for human chorionic gonadotropin (hCG) was developed with anti hCG-beta antibody-enzyme complex and the immobilized solid-phase antibody which was prepared from the antiserum to the synthetic peptide corresponding to the carboxyl-terminal region of the beta-subunit of hCG (hCG-beta). This assay system showed a high sensitivity equal to the radioimmunoassay and did not cross-react with human luteinizing hormone (hLH), human follicle stimulating hormone (hFSH) or alpha-subunit of hCG (hCG-alpha). The coefficients of variation in within-run and between-run were less than 10% and there was a good correlation between the enzyme immunoassay and the radioimmunoassay of serum sample with a regression equation of y = 1.038 x -0.647 and a correlation coefficient of r = 0.953.
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