Activation of endothelial cell phospholipase D by sphingosine and sphingosine-1-phosphate.

@article{Natarajan1994ActivationOE,
  title={Activation of endothelial cell phospholipase D by sphingosine and sphingosine-1-phosphate.},
  author={Viswanathan Natarajan and Hiremagalur N. Jayaram and William M Scribner and Joe G. N. Garcia},
  journal={American journal of respiratory cell and molecular biology},
  year={1994},
  volume={11 2},
  pages={221-9}
}
We have investigated the activation of phospholipase D (PLD) by sphingosine and its derivatives in bovine pulmonary artery endothelial cells (BPAEC) prelabeled with [32P]orthophosphate or [32P]lyso phospholipids. Sphingosine, in a dose- and time-dependent manner, stimulated the hydrolysis of [32P]phosphatidylcholine (PC) resulting in the production of [32P]phosphatidic acid (PA), suggesting PLD activation. In the presence of ethanol (150 mM), the accumulation of [32P]phosphatidylethanol was… CONTINUE READING

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