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J Infect Dis. 1990 Dec;162(6):1385-9.

Interferon-gamma in endocervical secretions of women infected with Chlamydia trachomatis.

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1
Department of Medicine, Indiana University School of Medicine, Indianapolis 46202-5124.

Abstract

Although interferon-gamma has been associated with control of chlamydial infections in mice, no direct evidence links it to human chlamydial infections. Therefore, interferon-gamma was assayed by ELISA in endocervical secretions and plasma of women cultured for Chlamydia trachomatis. Women with positive endocervical chlamydial cultures had increased levels of interferon-gamma in endocervical secretions (6.7 +/- 2.8, mean +/- SE, n = 47) compared with uninfected women (1.4 +/- 0.4, n = 52) (P = .002). Interferon was also present in secretions of women with gonorrhea. Higher levels were seen in secretions from older women with positive chlamydial cultures. Interferon levels in secretions did not correlate with simultaneous plasma levels, the number of organisms recovered in tissue culture, or clinical correlates of inflammation. These data suggest that interferon-gamma is present at the site of chlamydial infection; however, further experiments are needed to determine whether interferon is specifically involved in protection or is a nonspecific indicator of inflammation.

PMID:
2121840
DOI:
10.1093/infdis/162.6.1385
[Indexed for MEDLINE]

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