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. 1982 Jun;15(6):1001-8.
doi: 10.1128/jcm.15.6.1001-1008.1982.

Radioimmunoassay for detection of antibodies to Neisseria gonorrhoeae

M Usategui, E V Savard, S M Mondabaugh, N L Keigher

Radioimmunoassay for detection of antibodies to Neisseria gonorrhoeae

M Usategui et al. J Clin Microbiol. 1982 Jun.

Abstract

A radioimmunoassay has been developed and evaluated for the serological diagnosis of gonorrhea. Purified gonococcal antigen was obtained from a culture of Neisseria gonorrhoeae (B370) and labeled with 125I for use in a double-antibody test system. The test was evaluated in populations segregated by sex and risk. The specificity of the assay in females was 90.2% (55/61) in low risk, 82.2% (2,245/ 2,732) in medium risk, and 54.1% (335/619) in high risk. The sensitivity was 69% (20/29) in medium risk and 78.3% (288/367) in high risk. In males, test specificity was 92.3% (24/26) in low risk and 50% (48/96) in high risk. The sensitivity was 70.8% (143/202) in the high-risk group. The data in this study indicate that this assay should not be employed for screening of either high- or medium-risk populations.

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