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Copper and zinc in pre-eclampsia.

P Kiilholma, R Paul, P Pakarinen

Acta Obstetricia Et Gynecologica Scandinavica

|January 1, 1984

Summary

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Severe pre-eclampsia is linked to lower maternal zinc and copper levels, and higher umbilical cord copper. Mild pre-eclampsia also shows reduced maternal zinc, indicating potential trace element imbalances in pregnancy complications.

Area of Science:

Obstetrics and Gynecology
Trace Element Metabolism
Reproductive Endocrinology

Background:

Pre-eclampsia is a serious pregnancy complication characterized by hypertension and organ damage.
Trace elements like zinc and copper play crucial roles in physiological processes, including pregnancy.
Alterations in maternal and fetal trace element status may be associated with pre-eclampsia development.

Purpose of the Study:

To investigate maternal and umbilical cord serum levels of copper and zinc in pregnancies complicated by mild and severe pre-eclampsia.
To compare these levels with those in uncomplicated pregnancies.
To explore potential correlations between trace element status and pre-eclampsia severity.

Main Methods:

Studied 20 uncomplicated pregnancies, 10 with mild pre-eclampsia, and 10 with severe pre-eclampsia.

Related Experiment Videos

Utilized proton-induced X-ray emission (PIXE) to measure maternal and umbilical cord serum copper and zinc.

Assessed maternal serum protein, hemoglobin, and estriol levels.

Main Results:

Maternal zinc and copper levels were significantly lower in severe pre-eclampsia compared to controls.
Umbilical cord serum copper was higher in the severe pre-eclampsia group.
Maternal zinc was also lower in mild pre-eclampsia compared to controls.

Conclusions:

Findings suggest altered zinc and copper homeostasis in pre-eclampsia, particularly in severe cases.
Elevated umbilical cord copper in severe pre-eclampsia warrants further investigation.
These trace element changes may be linked to hormonal, metabolic, and enzymatic alterations characteristic of pre-eclampsia.