Lysophosphatidylcholine induces endothelial cell injury by nitric oxide production through oxidative stress

Eon A. Kim, Ji Ae Kim, Mi Hye Park, Sung Chul Jung, Suk Hyo Suh, Myung Geol Pang, Young Ju Kim

Research output: Contribution to journalArticlepeer-review

48 Scopus citations


Objective. To determine whether lysophosphatidylcholine LPC induces endothelial cell injury by altering the production of nitric oxide NO and thereby increasing reactive oxygen species ROS. Methods. Human umbilical vein endothelial cells HUVECs were cultured and exposed to LPC, LPC with N G-nitro-l-arginine methyl ester L-NAME, LPC with antioxidants. LPC-induced cell injury and viability were determined using LDH and Resazurin assays. The MannWhitney U test was used for statistical analysis. Results. LPC induced HUVEC injury in a concentration-dependent manner. LPC induced the overproduction of NO and ROS in HUVECs and LPC-induced HUVEC injury is significantly inhibited by the eNOS inhibitor L-NAME and the antioxidants p < 0.05. Conclusions. These findings suggest that LPC induces the overproduction of NO, which may increase the oxidative stress on endothelial cells and lead to endothelial cell injury.

Original languageEnglish
Pages (from-to)325-331
Number of pages7
JournalJournal of Maternal-Fetal and Neonatal Medicine
Issue number4
StatePublished - 2009

Bibliographical note

Funding Information:
The present study was supported by the Research Foundation Grant funded by the Korean Medical Women’s Association and the Seoul Research & Business Development program.


  • Antioxidant
  • Endothelium
  • Lysophosphatidylcholine
  • Nitric oxide
  • ROS


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