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PredicateObject
rdf:type
lifeskim:mentions
pubmed:issue
2
pubmed:dateCreated
2004-7-27
pubmed:abstractText
The effect of endotoxin on fluidity and lipid composition of the erythrocyte membrane was studied in rats following the intraperitoneal administration of endotoxin (30 mg.kg(-1) body weight). Erythrocyte membrane fluidity measured with 16-stearic acid spin label (16-SAL) was significantly decreased in the endotoxin-treated rats as compared with control. A decrease of lysophosphatidylcholine in the membrane lipid was evident in the endotoxin-treated rats. The cholesterol to phospholipid molar ratios and other phospholipid fractions did not differ significantly in the two groups. The levels of plasma Beta-glucuronidase activity and lipoperoxide were significantly increased in the endotoxin-treated rats when compared to controls. There were significant correlations between the parameter of 16-SAL in erythrocytes and plasma Beta-glucuronidase activities or lipoperoxide from both endotoxin-treated and control groups, P < 0.005 or P < 0.02 respectively. In conclusion endotoxin decreased rat erythrocyte membrane fluidity in vivo. Since membrane fluidity is closely related to the vital functions of the membranes, the change described could be related to the abnormality of cell membrane functions in endotoxin shock state.
pubmed:language
eng
pubmed:journal
pubmed:status
PubMed-not-MEDLINE
pubmed:month
Apr
pubmed:issn
0913-8668
pubmed:author
pubmed:issnType
Print
pubmed:volume
6
pubmed:owner
NLM
pubmed:authorsComplete
Y
pubmed:pagination
145-52
pubmed:year
1992
pubmed:articleTitle
Changes in erythrocyte membrane fluidity by endotoxin in rats.
pubmed:affiliation
Department of Anesthesiology, Faculty of Medicine, Kagoshima University, Kagoshima, Japan.
pubmed:publicationType
Journal Article