Application of an enzyme immunoassay for detecting antibodies in sera of Macaca fascicularis naturally exposed to Mycobacterium tuberculosis.
1991
: An enzyme immunoassay (EIA) was developed for detecting mycobacterial antibodies in the sera of 22 Macaca fascicularis following a natural outbreak of tuberculosis. EIAs were conducted using four antigens (lysozyme, triton, or deoxycholate extracts of Mycobacterium tuberculosis or a purified protein derivative) and two conjugates (protein A or antihuman). Mycobacterial antibodies were detected in two of two culture-positive monkeys, in nine of ten tuberculin test-suspect monkeys (culture-negative), and in five of ten tuberculin test-negative monkeys (culture-negative). Results indicate EIA may be of practical value in detecting monkeys exposed to M. tuberculosis.
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