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Infect Immun. 1983 Mar;39(3):1491-4.

Correlation of host immune response with quantitative recovery of Chlamydia trachomatis from the human endocervix.


We studied 95 women with uncomplicated Chlamydia trachomatis cervical infection. Quantitative isolation of C. trachomatis was performed in HeLa 229 cells, and the results were correlated with serum immunoglobulin M and immunoglobulin G antibody to the organism. We found that quantitative cultures for C. trachomatis can provide a meaningful measurement by which to evaluate the effect of the acquired immune response. In particular, secretory immunoglobulin A antibody to C. trachomatis in cervical secretion demonstrated a striking and inverse correlation with recovery of the organism from the cervix. It is suggested that this component of the immune response may regulate shedding of the organism.

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