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A Neonatal Imaging Model of Gram-Negative Bacterial Sepsis
Published on: August 12, 2020
Immune response parameters during labor and early neonatal life
Efthimia Protonotariou1, Charalampos Chrelias, Demetrios Kassanos
1Department of Clinical Microbiology, Hippokration G. Hospital, Thessanloniki, Greece.
In Vivo (Athens, Greece)
|February 6, 2010
Summary
Maternal and neonatal cytokine levels, including Interleukin-2 (IL-2) and Interleukin-4 (IL-4), differ significantly during labor and postpartum. These immune markers play a key role in neonatal immune development and labor initiation.
Area of Science:
- Immunology
- Neonatal Health
- Perinatal Medicine
Background:
- Cytokines are crucial signaling molecules in immune responses, including Th1/Th2 pathways and inflammation.
- Understanding cytokine dynamics during labor and early neonatal life is vital for assessing immune system development and function.
Purpose of the Study:
- To investigate the relationship between maternal and neonatal circulation cytokine levels during labor and postpartum.
- To compare these levels with those found in adult controls.
Main Methods:
- Sensitive immunoassays were used to quantify cytokine concentrations.
- Samples analyzed included maternal serum (MS), umbilical cord (UC), neonatal serum (1st and 5th day postpartum), and adult controls.
Main Results:
- Elevated IL-2 and IL-4 in umbilical cord serum compared to maternal serum and adults.
- Interferon-gamma (IFN-gamma) was lower in UC but increased postpartum; neonatal soluble receptors (sIL-2R, sIL-4R) were higher.
- Maternal serum and neonatal serum exhibited higher levels of IL-1beta, IL-6, sIL-6R, sTNFRI, sTNFRII, and TNF-alpha compared to adults. Mode of delivery influenced several cytokine levels.
Conclusions:
- The studied cytokines and their receptors play a significant role in neonatal immune system development.
- These markers are involved in regulating immune responses during labor and early infancy.
- Cytokines likely initiate the processes of labor.
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