Cited by 138Lipid Membrane Structure and BehaviorErythrocyte Function and PathophysiologyAntioxidant Activity and Oxidative Stress

In vivo externalization of phosphatidylserine and phosphatidylethanolamine in the membrane bilayer and hypercoagulability by the lipid peroxidation of erythrocytes in rats.

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Jain, S K·1985·Journal of Clinical Investigation

Abstract

Phospholipid distribution across erythrocyte membrane bilayer is asymmetrical. In normal erythrocytes, entire phosphatidylserine (PS) and most of the phosphatidylethanolamine (PE) is present on the cytoplasmic side of membrane bilayer, whereas phosphatidylcholine (PC) and sphingomyelin (SM) are predominantly present at the outer side of membrane bilayer. The present study was undertaken to determine whether membrane lipid peroxidation has any effect on the distribution of PS, PE, and PC across erythrocyte membrane bilayer in vivo in an animal model. Erythrocyte membrane lipid peroxidation was induced in rats by administering phenylhydrazine, an oxidant drug. Membrane phospholipid organization was determined by using bee venom phospholipase-A2 and indirectly by measuring clotting time on recalcification of normal human platelet-poor plasma in the presence of Russell's viper venom. Phenylhydrazine administration to rats caused significant membrane lipid peroxidation as measured by the accumulation of malonyldialdehyde (MDA), an end product of fatty acid peroxidation, as well as externalization of a significant portion of PS and PE from the inner to the outer side of membrane bilayer in erythrocytes. There was a significant positive correlation (r) between the amount of MDA accumulated in the erythrocytes and the movement of PS (r = 0.92) and PE (r = 0.96) from inner to the outer membrane bilayer and PC (r = 0.81) from outer to the inner membrane bilayer. Erythrocytes of phenylhydrazine-treated rats also showed significantly reduced clotting time. This reduction in clotting time had a significant positive correlation with MDA accumulation (r = 0.92) and PS externalization (r = 0.90). Both the effect of phenylhydrazine on erythrocyte membrane lipid peroxidation and alterations in phospholipid organization and coagulability were blocked when rats were simultaneously administered with vitamin E or C antioxidants.

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Authors
Jain, S. K.
Affiliations
Louisiana State University (US)
Corresponding author
Jain, S K
Venue
Journal of Clinical Investigation
Published
1985-07-01
Volume
76
Issue
1
Pages
281-286
ISSN
0021-9738 (ISSN-L)
OpenAlex
W2083216895
Cited by
138
References
47
Citations by year
2026: 2 · 2024: 4 · 2023: 4 · 2022: 2 · 2021: 3 · 2020: 4 · 2019: 1 · 2018: 4 · 2017: 6 · 2016: 4 · 2015: 2 · 2014: 6 · 2013: 7 · 2012: 2
FWCI
1.66
Type
journal article
Language
en
Open access
Locations
  • Journal of Clinical Investigation (publishedVersion)
  • PubMed Central (publishedVersion)
  • PubMed (publishedVersion)
Funders
Louisiana State University
Topics
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Lipid Membrane Structure and Behavior
  • Health Sciences › Medicine › Physiology › Erythrocyte Function and Pathophysiology
  • Health Sciences › Medicine › Biochemistry › Antioxidant Activity and Oxidative Stress
Keywords
phosphatidylserine exposure, phosphatidylethanolamine, erythrocyte membrane, membrane lipid peroxidation, phenylhydrazine, malondialdehyde, membrane asymmetry, hypercoagulability, clotting time, phosphatidylcholine, sphingomyelin, vitamin E, vitamin C, antioxidants, bee venom phospholipase A2, Russell's viper venom
MeSH terms
Animals, Ascorbic Acid, Blood Coagulation, Erythrocyte Membrane, Lipid Peroxides, Malondialdehyde, Phenylhydrazines, Phosphatidylethanolamines, Phosphatidylserines, Phospholipases A, Vitamin E, Rats, Phospholipases A2

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