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J Matern Fetal Neonatal Med. 2011 Oct;24(10):1259-61. doi: 10.3109/14767058.2011.572202. Epub 2011 Apr 19.

Neuroprotective effect of magnesium sulfate treatment on fetal brain in experimental intrauterine ischemia reperfusion injury.

Author information

1
Etlik Zubeyde Hanim Women's Health Teaching & Research Hospital, Ankara, Turkey.

Abstract

OBJECTIVE:

The aim of this study was to demonstrate the neuroprotective effect of magnesium sulfate on ischemia-reperfusion-induced injury in fetal rat brain.

METHODS:

Twenty-four, 19-days pregnant rats were randomly allocated into four groups. Fetal brain ischemia was induced by clamping the utero-ovarian artery bilaterally for 20 min and reperfusion was achieved by removing the clamps for 30 min. The control group consisted of noninjured rats. No treatment was given in the ischemia-reperfusion group; whereas 1 ml saline and 600 mg/kg magnesium sulfate was administered in the vehicle and the treatment groups 30 min before ischemia reperfusion injury. Lipid peroxidation in the brain tissue was determined as the concentration of thiobarbituric acid-reactive substances (TBARS) for each fetal rat. A one-way analysis of variance and post hoc test were used for statistical analysis.

RESULTS:

TBARS levels were found to be increased after ischemia reperfusion injury when compared with controls. Magnesium sulfate treatment prevented the increase in TBARS after ischemia reperfusion injury.

CONCLUSIONS:

We have shown that magnesium sulfate decreases TBARS levels significantly in fetal rat brain subjected to ischemia reperfusion injury and may have potential therapeutic benefits by reducing oxidative stress after intrauterine ischemia-reperfusion-induced fetal brain damage.

PMID:
21504338
DOI:
10.3109/14767058.2011.572202
[Indexed for MEDLINE]

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