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Title:
METHODS OF MEASURING ADAMTS13-MEDIATED IN VIVO CLEAVAGE OF VON WILLEBRAND FACTOR AND USES THEREOF
Document Type and Number:
Japanese Patent JP2015213513
Kind Code:
A
Abstract:
PROBLEM TO BE SOLVED: To provide methods of measuring ADAMTS13-mediated in vivo cleavage of circulating von Willebrand factor (VWF) that mediates primary hemostasis supporting the adhesion of platelets to damaged blood vessels, and the use of the methods.SOLUTION: Methods of detecting VWF fragments in the blood of a subject show the in vivo activity of ADAMTS13 by detection (i.e., visualization and even quantification) of the amount of circulating fragments of cleaved VWF. The methods are based on SDS-PAGE combined with immunoblotting using specific antibodies against VWF. The VWF antibodies are specific for different fragments of VWF.

Inventors:
KATALIN VARADI
HANSPETER ROTTENSTEINER
PETER TURECEK
HANS-PETER SCHWARZ
JUTTA SCHREINER
Application Number:
JP2015134417A
Publication Date:
December 03, 2015
Filing Date:
July 03, 2015
Export Citation:
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Assignee:
BAXTER INT
BAXTER HEALTHCARE SA
International Classes:
C12Q1/37; G01N33/53
Domestic Patent References:
JP2007530912A2007-11-01
JP2005535315A2005-11-24
Foreign References:
WO2006085441A12006-08-17
WO2004035778A12004-04-29
Other References:
JPN6014018161; REITER, R.A. et al.: '"Changes in von Willebrand factor-cleaving protease (ADAMTS13) activity after infusion of desmopress' BLOOD Vol.101, No.3, 20030201, P.946-948
JPN6014018164; FURLAN, M. et al.: '"von Willebrand factor-cleaving protease in thrombotic thrombocytopenic purpura and the hemolytic-ur' THE NEW ENGLAND JOURNAL OF MEDICINE Vol.339, No.22, 19981126, P.1578-1584
JPN6014018162; 日裏久英: '「TMAの診断と血小板輸血の指標に重要なADAMTS13活性の新規測定法の開発」' 臨床病理 Vol.55, No.1, 200701, P.69-75
JPN6015008544; TSAI, H.M. et al.: '"Physiologic cleavage of von Willebrand factor by a plasma protease is dependent on its conformation' BLOOD Vol.87, No.10, 19960515, P.4235-4244
JPN6015037768; FISCHER, B.E. et al.: '"Structural analysis of recombinant von Willebrand factor produced at industrial scale fermentation' FEBS LETT. Vol.375, No.3, 19951120, pp.259-262
JPN6015037770; SCHLOKAT, U. et al.: '"Production of highly homogeneous and structurally intact recombinant von Willebrand factor multimer' BIOTECHNOL. APPL. BIOCHEM. Vol.24, No.3, 199612, pp.257-267
Attorney, Agent or Firm:
Hidesaku Yamamoto
Natsuki Morishita