Globular adiponectin but not full-length adiponectin induces increased procoagulability in human endothelial cells.

Globular adiponectin but not full-length adiponectin induces increased procoagulability in human endothelial cells. Research Abstract Details 

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Globular adiponectin but not full-length adiponectin induces increased procoagulability in human endothelial cells. Abstract Text:

Peter Bobbert,Silvio Antoniak,Heinz-Peter Schultheiss,Ursula Rauch,Peter Bobbert,Silvio Antoniak,Heinz-Peter Schultheiss,Ursula Rauch,Peter Bobbert,Silvio Antoniak,Heinz-Peter Schultheiss,Ursula Rauch,

Adiponectin (APN), a recently discovered adipocytokine, is present in human serum in a full length (fAPN) and a globular form (gAPN). gAPN is a proteolytic cleavage product of fAPN and seems to show independent biological activities compared to the properties of fAPN. The influence of gAPN and fAPN on procoagulability of cells is still unknown. This study examined the effect of gAPN and fAPN on the expression of tissue factor (TF), the initiator of the extrinsic coagulation system, in human umbilical vein endothelial cells (HUVECs). TF activity was measured by a chromogenic assay, TF mRNA by real-time PCR and TF protein by western blot. We found TF activity to be increased after activation by gAPN (3 mug/mL) compared to a non-stimulated control (169.0+/-19.23 U versus 501.9+/-38.95 U, p<0.001). Furthermore, TF mRNA and TF protein was increased dose-dependently after gAPN stimulation. The gAPN-induced rise of TF activity and TF mRNA was significantly reduced by inhibition of the MAP kinases ERK1/2, p38 and JNK. Contrary to gAPN, stimulation with fAPN did not lead to these procoagulant effects. In conclusion, gAPN increased TF transcription, expression and activity in HUVECs. Therefore, our data support the theory that gAPN but not fAPN supports the cellular procoagulability via TF upregulation.

Globular adiponectin but not full-length adiponectin induces increased procoagulability in human endothelial cells. Publishing Authors By Initials

P Bobbert,S Antoniak,HP Schultheiss,U Rauch,P Bobbert,S Antoniak,HP Schultheiss,U Rauch,P Bobbert,S Antoniak,HP Schultheiss,U Rauch,

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Globular adiponectin but not full-length adiponectin induces increased procoagulability in human endothelial cells. Journal Published:

PUBLICATION TYPE: Journal Article

Journal: Journal of molecular and cellular cardiology

VOLUME: 44

Page Numbers: 388-94

Journal Abbreviation: J. Mol. Cell. Cardiol.

ISSN: 0022-2828

DAY: 3

MONTH: 12

YEAR: 2007

Globular adiponectin but not full-length adiponectin induces increased procoagulability in human endothelial cells. Information

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LANGUAGE: eng

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Grant and Affiliation Information for Globular adiponectin but not full-length adiponectin induces increased procoagulability in human endothelial cells.

AFFILIATION: Department of Cardiology and Pneumology, Charité - Universitätsmedizin Medizin Berlin, Campus Benjamin Franklin, Hindenburgdamm 30, D-12203 Berlin, Germany.

Country: England

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MEDLINETA: J Mol Cell Cardiol

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