Title : Involvement of the tyrosine phosphorylation pathway in induction of human heme oxygenase-1 by hemin, sodium arsenite, and cadmium chloride.

Pub. Date : 1998 Sep

PMID : 9722676






7 Functional Relationships(s)
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1 Involvement of the tyrosine phosphorylation pathway in induction of human heme oxygenase-1 by hemin, sodium arsenite, and cadmium chloride. Hemin heme oxygenase 1 Homo sapiens
2 The effect of a tyrosine kinase inhibitor, herbimycin A, on the induction of heme oxygenase-1 (HO-1) mRNA in HeLa cells upon exposure to hemin, sodium arsenite and cadmium chloride was examined. Hemin heme oxygenase 1 Homo sapiens
3 The effect of a tyrosine kinase inhibitor, herbimycin A, on the induction of heme oxygenase-1 (HO-1) mRNA in HeLa cells upon exposure to hemin, sodium arsenite and cadmium chloride was examined. Hemin heme oxygenase 1 Homo sapiens
4 The induction of HO-1 mRNA by hemin was inhibited when the cells were pretreated with herbimycin A. Hemin heme oxygenase 1 Homo sapiens
5 Genistein (50 microM), another tyrosine kinase inhibitor, also inhibited the induction of HO-1 mRNA by hemin, arsenite, and cadmium. Hemin heme oxygenase 1 Homo sapiens
6 Nuclear runoff assays revealed that herbimycin blocked the hemin-induced transcription of the HO-1 gene. Hemin heme oxygenase 1 Homo sapiens
7 When HeLa cells were treated with a specific inhibitor of the mitogen-activated protein kinase (MAPK)/extracellular-signal regulated kinase cascade, PD58059 (100 microM), suppression of the cadmium-dependent HO-1 induction was not observed, but the hemin- or arsenite-dependent induction was slightly inhibited. Hemin heme oxygenase 1 Homo sapiens