Glucocorticoid potentiation of cytochrome P4501A1 induction by 2,3,7,8-tetrachlorodibenzo-p-dioxin in porcine and human endothelial cells in culture.

@article{Celander1997GlucocorticoidPO,
  title={Glucocorticoid potentiation of cytochrome P4501A1 induction by 2,3,7,8-tetrachlorodibenzo-p-dioxin in porcine and human endothelial cells in culture.},
  author={Malin Celander and Robert M. Weisbrod and J. H. J. Stegeman},
  journal={Biochemical and biophysical research communications},
  year={1997},
  volume={232 3},
  pages={
          749-53
        }
}
Cytochrome P4501A1 (CYP1A1) induction was examined in cultures of porcine aorta endothelial cells (PAEC) and of human aorta endothelial cells (HAEC) exposed to 2,3,7,8-tetrachlorodibenzo-p-dioxin (TCDD) with or without the glucocorticoid receptor (GR) agonist cortisol or dexamethasone (DEX). In PAEC exposed to 0.1 nM TCDD + 10 microM cortisol the level of CYP1A1 protein and the degree of ethoxyresorufin-O-deethylase (EROD) activity induction were 2- to 3-fold greater than with 0.1 nM TCDD alone… CONTINUE READING
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