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Multiple cytokine profile in plasma and amniotic fluid in a mouse model of pre-term labor
Qing Yang1, Yasser El-Sayed, Yael Rosenberg-Hasson
1Department of Pediatrics, Stanford University School of Medicine, Stanford, CA 94305-5178, USA.
Problem:
The rate of pre-term birth in the United States continues to rise despite several interventions. Induction of pro-inflammatory cytokines and chemokines has been implicated in the activation of the cascade of events resulting in pre-term labor. To date, no comprehensive panel of the cytokine profile in PTL has been published.
Method Of Study:
To address cytokine profiles in pre-term labor, levels of 19 plasma and amniotic fluid cytokines were measured using a multiplex immunoassay in an inflammation-induced murine model of pre-term labor.
Results:
Pro-inflammatory mediators, RANTES, KC, IL-6, and IL-12p40 were increased by 3 hr and remained high at 15 hr. Concentrations of KC, IL-6, IL-1beta, and MIP-1alpha were increased in the amniotic fluid at 15 hr. Plasma levels of anti-inflammatory mediators IL-10 and IL-13 at 15 hr were unchanged and decreased respectively.
Conclusion:
These results suggest that stimulation of several pro-inflammatory cytokines occurs very early in the cascade of events and remains increased, whereas anti-inflammatory cytokines are either unchanged or decreased until the onset of delivery in an inflammation-induced mouse model of pre-term labor.