当前位置： SCI文献检索 > AMERICAN JOURNAL OF OBSTETRICS AND GYNECOLOGY期刊下所有文献 > Docosahexaenoic acid confers neuroprotection in a rat model of perinatal hypoxia-ischemia potentiated by Escherichia coli lipopolysaccharide-induced systemic inflammation.

Docosahexaenoic acid confers neuroprotection in a rat model of perinatal hypoxia-ischemia potentiated by Escherichia coli lipopolysaccharide-induced systemic inflammation.

Abstract：

OBJECTIVE:Lipopolysaccharide pretreatment potentiates hypoxic ischemic injury. We hypothesized that docosahexaenoic acid pretreatment would improve function and reduce brain volume loss in this rat model of perinatal brain injury and inflammation. STUDY DESIGN:Seven-day-old rats were divided into 3 groups: intraperitoneal docosahexaenoic acid 1 mg/kg and lipopolysaccharide 0.1 mg/kg, 25% albumin and lipopolysaccharide, and normal saline. Injections were given 2.5 hours before carotid ligation, followed by 90 minutes 8% O2. Rats underwent sensorimotor function testing and brain volume loss assessment on postnatal day 14. RESULTS:Docosahexaenoic acid pretreatment improved vibrissae forepaw placing scores compared with albumin/lipopolysaccharide (mean+/-standard deviation weighted score/20: 17.72+/-0.92 docosahexaenoic acid/lipopolysaccharide vs 13.83+/-0.82 albumin/lipopolysaccharide; P<.007). Albumin/lipopolysaccharide rats scores were worse than those of the normal saline/normal saline rats (13.83+/-0.82 vs 17.21+/-0.71; P=.076). No significant differences in brain volume loss were observed among groups. CONCLUSION:Lipopolysaccharide inflammatory stimulation in conjunction with hypoxic ischemic resulted in poorer function than hypoxic ischemic alone. Docosahexaenoic acid pretreatment had significantly improved function in neonatal rats exposed to lipopolysaccharide and hypoxic ischemic.

journal_name

Am J Obstet Gynecol

journal_title

American journal of obstetrics and gynecology

authors

Berman DR,Liu YQ,Barks J,Mozurkewich E

doi

10.1016/j.ajog.2010.01.076

subject

Has Abstract

pub_date

2010-05-01 00:00:00

pages

469.e1-6

issue

5

eissn

0002-9378

issn

1097-6868

pii

S0002-9378(10)00106-7

journal_volume

202

pub_type

杂志文章

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