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Vaginal flora tied to proinflammatory cytokines in pregnancy, study shows.(Obstetrics)
CHARLESTON, S.C. -- Sexually transmitted diseases and bacterial vaginosis are known to be associated with elevated cervical proinflammatory cytokines in pregnancy, and interim results from an ongoing study suggest that vaginal flora that are opportunistic pathogens also have such an effect.
Candida albicans, Escherichia coli, and group B streptococci all were associated with elevations in specific cytokines in the 244 women enrolled in the study who were available for interim analysis, Marijane A. Krohn, Ph.D., reported at the annual meeting of the Infectious Diseases Society for Obstetrics and Gynecology.
"C. albicans, E. coli, and group B streptococci are very frequent colonizers in asymptomatic women--however, these microorganisms appear ready to start an inflammatory process, even when by local vaginal criteria they seem to be nonpathogenic at that time or quiescent," Dr. Krohn said.
Given that these organisms are pathogenic to immunologically naive fetuses and neonates, and that they also can cause infection in women, it makes sense that they would show some pathogenic potential by being associated with elevated proinflammatory cytokines, she noted.
The women were sampled before 16 weeks' gestation, and ...
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Source: HighBeam Research, Vaginal flora tied to proinflammatory cytokines in pregnancy, study...