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Infect Immun. 1993 June; 61(6): 2713-2716

Kinetics of serum and ocular antibody responses in susceptible mice that received a secondary corneal infection with Pseudomonas aeruginosa.

Department of Immunology, Wayne State University School of Medicine, Detroit, Michigan 48201.

ABSTRACT

When susceptible C57BL/6J mice were infected with Pseudomonas aeruginosa in one eye and then reinfected in the previously uninfected contralateral control eye either 4 or 8 weeks after the primary infection, approximately 20 to 30% of the mice receiving a 4-week reinfection regimen restored corneal clarity within 4 weeks, while almost all of the 8-week-reinfected mice restored corneal clarity within 3 to 6 days postinfection. However, the rate of bacterial clearance was the same in both sets of mice despite the presence of opsonophagocytic antibodies only in the 8-week-reinfected mice. As determined by enzyme-linked immunosorbent assay, immunoglobulin G was the major immunoglobulin in both serum and ocular tissue of both mouse sets, and the immunoglobulin G level was two- to fourfold higher after the 8-week secondary infection than in the 4-week-reinfected mice.

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