Activity and protein distribution of 12-lipoxygenase in HEL cells: induction of membrane-association by phorbol ester TPA, modulation of activity by glutathione and 13-HPODE, and Ca(2+)-dependent translocation to membranes.

@article{Hagmann1993ActivityAP,
  title={Activity and protein distribution of 12-lipoxygenase in HEL cells: induction of membrane-association by phorbol ester TPA, modulation of activity by glutathione and 13-HPODE, and Ca(2+)-dependent translocation to membranes.},
  author={Wolfgang Hagmann and Daizaburo Kagawa and Colette Renaud and Kenneth V. Honn},
  journal={Prostaglandins},
  year={1993},
  volume={46 6},
  pages={471-7}
}
The understanding of the intracellular regulation of 12-lipoxygenase requires a knowledge of the distribution of both enzyme protein and its activity. In human erythroleukemia cells, the membrane fraction contains about 90% of the total cellular 12-lipoxygenase activity, whereas only approximately 10% of 12-lipoxygenase activity resides in the cytosol. However, the majority of the cellular 12-lipoxygenase protein is found in the cytosol. Pretreatment of cells for 0-3 days with 160 nM TPA caused… CONTINUE READING
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