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Published on: January 26, 2024
Cytokine Imprint in Preeclampsia
Katarzyna Stefańska1, Maciej Zieliński2, Martyna Jankowiak2
1Department of Obstetrics, Medical University of Gdańsk, Gdańsk, Poland.
Insights
Researchers identified key immune markers, including IL-22 and MDC/CCL22, to help diagnose preeclampsia (PE) and gestational hypertension (GH). This study proposes novel diagnostic criteria for these pregnancy complications.
Area of Science:
- Obstetrics and Gynecology
- Immunology
- Biochemistry
Background:
- Preeclampsia (PE) is characterized by inflammation and endothelial dysfunction.
- Pro-inflammatory cytokines and reduced regulatory T cell function are implicated in PE pathophysiology.
- The exact mechanisms underlying PE remain unclear, necessitating further research.
Purpose of the Study:
- To understand the pathophysiology of preeclampsia.
- To identify novel diagnostic tools for preeclampsia.
- To develop targeted therapies for preeclampsia.
Main Methods:
- Studied 68 patients across three groups: gestational hypertension (GH), preeclampsia (PE), and controls.
- Analyzed 53 cytokines, chemokines, and growth factors in patient samples.
- Assessed diagnostic parameters and proposed cut-off values.
Main Results:
- Identified specific immune parameters (IL-22, MDC/CCL22, IL-2/IL-4 ratio) as potential diagnostic markers for preeclampsia.
- These parameters demonstrated high diagnostic accuracy with predictive values exceeding 80%.
- Proposed cut-off values for these markers to aid in preeclampsia diagnosis.
Conclusions:
- A set of immune parameters shows promise for diagnosing preeclampsia.
- This research contributes to a better understanding of PE pathophysiology.
- Further validation may lead to improved diagnostic strategies for preeclampsia.
Abstract:
The hallmark of preeclampsia (PE) is a shift toward persistent inflammatory response, accompanied by endothelial dysfunction. The driving forces in PE are proinflammatory cytokine and growth factors, in parallel with reduced functionality of anti-inflammatory effectors, like regulatory T cells are observed. Unfortunately, no conclusive mechanism underlying preeclampsia has been identified. For this reason, research on preeclampsia is needed to provide a state of the art understanding of the pathophysiology, identification of new diagnostics tools and the development of targeted therapies. The 68 patients were divided into three groups: gestational hypertension (GH) group (n = 19) and PE group (n = 28) and a control group (n = 21). We have tested a set of 53 cytokines, chemokines and growth factors in preeclampsia and gestational hypertension, and then compared them with normal pregnancies. Using a diagnostic test assessment characteristic parameters (IL-22, MDC/CCL22, IL-2/IL-4 ratio) have been identified and cut-off values have been proposed to diagnose preeclampsia. All parameters had high negative or positive predictive values, above 80%. In conclusion, we have proposed a potential set of immune parameters to diagnose preeclampsia.
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