Studies on PIVKA-X

Gustav Gaudernack; Hans Prydz

doi:10.1055/s-0038-1651404

Thrombosis and Haemostasis, Table of Contents

Thromb Haemost 1975; 34(02): 455-464
DOI: 10.1055/s-0038-1651404

Original Article

Schattauer GmbH

Studies on PIVKA-X

Gustav Gaudernack

¹Institute of Medical Biology, University of Tromsø, Tromsø, Norway

,

Hans Prydz

¹Institute of Medical Biology, University of Tromsø, Tromsø, Norway

› Author Affiliations

Abstract

Summary

The incorporation of ¹⁴C-glucosamine and ³H-leucine into PIVKA-X and factor X has been studied in Macaca mulatta by means of a monospecific precipitating antiserum. No difference in the incorporation into PIVKA-X and factor X was found.

The half-lives of PIVKA-X and factor X were similar (about 30-35 h and 27-31 h respectively) indicating that the vitamin K-induced modifications did not alter the survival of protein.

A Russell’s-viper venom/cephalin test system for factor X was more sensitive to inhibition by PIVKA-X than was a tissue thromboplastin-based system.

Full Text

References

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