Abstract
A covalent bienzyme superoxide dismutase-chondroitin sulfate-catalase conjugate (SOD-CHS-CAT) demonstrated the dose-dependent inhibitory action on induced platelet aggregation both in the presence and the absence of hydrogen peroxide. The antioxidant activity of SOD-CHS-CAT was noted at much lower doses than that of other CAT derivatives. The conjugate SOD-CHS-CAT inhibited platelet aggregation regardless of the nature of inducers; it also prevented platelet spreading on the glass surface. The latter suggests conjugate influence on adhesive properties of platelets. Novel properties of the SOD-CHS-CAT conjugate underlie prospects of its biopharmaceutical applicability as a tool for antioxidant therapy.
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