Inhibitory effect of cisplatin and [Pt(dach)Cl2] on the activity of phospholipase A2
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This work has been focused on testing the influence of two selected Pt(II) complexes cisplatin, Pt(NH3)(2) Cl-2, and [Pt(dach)Cl-2] on the activity of porcine pancreatic phospholipase A(2) (PLA(2)). It has been assumed that this enzyme plays a role in carcinogenesis and that it could be a target in the tumour therapy. The results of this study show that both Pt(II) complexes inhibit the activity of the enzyme, though they bind to it in a different manner. While cisplatin interacts with the enzyme in an acompetitive manner, the stable interaction of [Pt(dach)Cl-2] with PLA(2) could not be detected under our experimental conditions.