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Plasma interleukin-12 is elevated in patients with preeclampsia
Y Daniel1, M J Kupferminc, A Baram
1Department of Obstetrics and Gynecology, Lis Maternity Hospital, Tel Aviv Sourasky Medical Center, Sackler Faculty of Medicine, Tel Aviv University, Israel.
Summary
Elevated levels of intact interleukin-12 (IL-12) were found more often in preeclamptic patients, suggesting this cytokine plays a role in the condition's abnormal immune activation.
Area of Science:
- Reproductive immunology
- Maternal-fetal medicine
- Cytokine research
Background:
- Preeclampsia is linked to abnormal immune system activation.
- Interleukin-12 (IL-12) and interferon-gamma (IFN-gamma) are key immune mediators.
Purpose of the Study:
- To investigate the role of IL-12 and IFN-gamma in preeclampsia.
- To test the hypothesis that IL-12 contributes to altered immune responses in preeclampsia.
Main Methods:
- Plasma samples from 20 preeclamptic and 20 healthy pregnant women were analyzed.
- Enzyme-linked immunoassays were used to measure IL-12 and IFN-gamma levels.
- Samples were collected before labor or medical intervention.
Main Results:
- Intact IL-12 was detected in 35% of preeclamptic patients versus 5% of controls (P < 0.01).
- IFN-gamma detection rates and concentrations were similar between groups.
Conclusions:
- Intact plasma IL-12 is more prevalent in preeclampsia.
- These findings suggest IL-12 involvement in the enhanced immune response characteristic of preeclampsia.