نتایج جستجو برای: thrombin

تعداد نتایج: 14955  

Journal: :The Biochemical journal 1993
J Bichler J W Baynes S R Thorpe

The metabolic fate of the anticoagulant protein, hirudin, and its complex with thrombin are presently unknown. Therefore we have labelled hirudin and human thrombin-hirudin complex with the residualizing label dilactitol-125I-tyramine (*I-DLT) in order to identify their tissue sites of catabolism in the rat. The rapid plasma clearance of hirudin after intravenous injection was unaffected by *I-...

Journal: :Cardiovascular research 2012
Xianqing Mao Rose Said Huguette Louis Jean-Pierre Max Mustapha Bourhim Pascal Challande Denis Wahl Zhenlin Li Veronique Regnault Patrick Lacolley

AIMS Vascular smooth muscle cell (VSMC) phenotypic modulation plays a pivotal role in atherothrombotic diseases. Thrombin generation at the surface of VSMCs and activation of integrin mechanotransduction pathways represent potential mechanisms. Here, we examine whether mechanical stretch increases thrombin generation on cultured rat aortic VSMCs. METHODS AND RESULTS The integrin α(v)β(3) anta...

Journal: :Blood 2004
Xiaochun Li Christopher N Hahn Michelle Parsons Jenny Drew Mathew A Vadas Jennifer R Gamble

Endothelial cell leakiness is regulated by mediators such as thrombin, which promotes endothelial permeability, and anti-inflammatory agents, such as angiopoietin-1. Here we define a new pathway involved in thrombin-induced permeability that involves the atypical protein kinase C isoform, PKCzeta. Chemical inhibitor studies implicated the involvement of an atypical PKC isoform in thrombin-induc...

Journal: :Journal of thrombosis and haemostasis : JTH 2005
Y Hua L Tang R F Keep T Schallert M E Fewel K M Muraszko J T Hoff G Xi

BACKGROUND In a previous study we found that intracerebral infusion of argatroban, a specific thrombin inhibitor, reduces brain edema and neurologic deficits in a C6 glioma model. OBJECTIVES To examine the role of thrombin in gliomas and whether systemic argatroban administration can reduce glioma mass and neurologic deficits and extend survival time in C6 and F98 gliomas. METHODS The prese...

Journal: :Acta biochimica et biophysica Sinica 2007
Fang Lin Junchao Wu Yan Wang Zhenghong Qin

Huntingtin (Htt) mutation causes Huntington's disease. Sequence analysis of Htt revealed a possible thrombin cleavage site in the N-terminal region of Htt. In order to investigate if thrombin can cleave Htt, we expressed the N-terminal fragment (1-969) of wild-type (wt) Htt (Htt 1-969) in MCF-7 cells and studied its cleavage pattern by thrombin in vitro. An expression plasmid pcDNA3-Htt-18Q-969...

Journal: :The Journal of Cell Biology 1992
D T Hung T H Vu N A Nelken S R Coughlin

We recently isolated a cDNA clone encoding a functional platelet thrombin receptor that defined a unique mechanism of receptor activation. Thrombin cleaves its receptor's extracellular amino terminal extension, unmasking a new amino terminus that functions as a tethered peptide ligand and activates the receptor. A novel peptide mimicking this new amino terminus was a full agonist for platelet s...

Journal: :Journal of Thrombosis and Haemostasis 2007

Journal: :The Journal of biological chemistry 1989
R L Lu N L Esmon C T Esmon A E Johnson

The location of the active site of the membrane-bound anticoagulant complex of thrombin and thrombomodulin has been determined relative to the membrane surface using fluorescence energy transfer. Thrombin was reacted with 5-(dimethylamino)-1-naphthalenesulfonylglutamylglycylarginyl chloromethyl ketone (DEGR-CK) to yield DEGR-thrombin, an analogue of thrombin with a fluorescent dye covalently at...

Journal: :Arteriosclerosis, thrombosis, and vascular biology 2006
Ty E Adams James A Huntington

Precise modulation of thrombin activity throughout the hemostatic response is essential for efficient cessation of bleeding while preventing inappropriate clot growth or dissemination which causes thrombosis. Regulating thrombin activity is made difficult by its ability to diffuse from the surface on which it was generated and its ability to cleave at least 12 substrates. To overcome this chall...

Journal: :Thrombosis Research 2021

AbstractIntroduction Antiphospholipid syndrome (APS) is a systemic autoimmune disease characterised by recurrent thrombotic events, pregnancy loss and thrombocytopenia the presence of antiphospholipid antibodies (APL). The exact pathomechanism APS still unknown, thus we investigated effect anti-β2-glycoprotein I (anti-β2GPI) on thrombin generation in diff...

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