Abstract Title:

Effect of resveratrol on hemostatic properties of human fibrinogen and plasma during model of hyperhomocysteinemia.

Abstract Source:

Thromb Res. 2010 Nov;126(5):e379-82. PMID: 20869101

Abstract Author(s):

Joanna Malinowska, Beata Olas

Article Affiliation:

Department of General Biochemistry, Institute of Biochemistry, University ofŁódź, Banacha 12/16, 90-237 Łódź, Poland.


Resveratrol (3,4', 5 - trihydroxystilben), a phenolic antioxidant synthesized in grapes and vegetables and presents in wine, has been supposed to be beneficial for the prevention of cardiovascular events. In this study the influence of resveratrol on the clot formation (using human plasma and purified fibrinogen) and the fibrin lysis during model of hyperhomocysteinemia was investigated. We induced this process using a reduced form of Hcys (at final dose of 0.1mM) and the most reactive form of Hcys - its cyclic thioester, homocysteine thiolactone (HTL, 0.5μM). The aim of our study in vitro was to investigate the modifications of human plasma total proteins after incubation with Hcys, HTL and resveratrol. We observed that HTL, like its precursor, Hcys stimulated polymerization of fibrinogen. Our present results also demonstrated that Hcys (0.1mM) andHLT at lower doses than Hcys (0.5μM) reduced the fibrin lysis in human plasma. Moreover, Hcys and HTL change the level of thiol and amino groups in plasma total proteins. Our results indicate that resveratrol reduced the toxicity action of Hcys and HTL on hemostatic properties of fibrinogen or plasma, suggesting its possible protector role in hyperhomocysteinemia - induced cardiovascular diseases.

Study Type : In Vitro Study

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