Related Experiment Videos
Elevated maternal plasma immunoreactive phospholipase A2 in human preterm and term labour.
G E Rice1, S P Brennecke, K F Scott
1Monash University Department of Obstetrics and Gynaecology, Monash Medical Centre, Clayton, Victoria, Australia.
Eicosanoids
|January 1, 1992
Summary
Maternal plasma phospholipase A2 (irPLA2) levels increase significantly during preterm and term labor. This suggests irPLA2 may play a role in labor-related eicosanoid formation in gestational tissues.
Area of Science:
- Reproductive biology
- Biochemistry
Background:
- Phospholipase A2 (PLA2) enzymes are involved in inflammatory processes and eicosanoid production.
- Eicosanoids play a crucial role in reproductive physiology, including labor.
Purpose of the Study:
- To investigate peripheral plasma concentrations of immunoreactive phospholipase A2 (irPLA2) in pregnant women.
- To determine if irPLA2 levels change during pregnancy and in association with labor.
Main Methods:
- Peripheral blood samples were collected from 110 women during pregnancy.
- Concentrations of immunoreactive phospholipase A2 (irPLA2) were measured using immunoassays.
Main Results:
- irPLA2 concentrations remained stable throughout pregnancy until labor onset.
- irPLA2 levels were significantly elevated in women experiencing preterm labor (13.3 ng/ml) and term labor (10.4 ng/ml) compared to non-labouring women (5.7 ng/ml).
Conclusions:
- Maternal plasma irPLA2 levels increase during labor, suggesting a potential role in the labor process.
- Elevated irPLA2 may contribute to the increase in eicosanoid formation within human gestational tissues during labor.