Title : Plasma free tissue factor pathway inhibitor (TFPI) levels and TF-induced thrombin generation ex vivo in men with low testosterone levels.

Pub. Date : 2009 Mar

PMID : 19277407






6 Functional Relationships(s)
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1 Experimental studies have shown increased synthesis and release of tissue factor pathway inhibitor (TFPI) by physiological levels of testosterone in endothelial cells. Testosterone tissue factor pathway inhibitor Homo sapiens
2 Experimental studies have shown increased synthesis and release of tissue factor pathway inhibitor (TFPI) by physiological levels of testosterone in endothelial cells. Testosterone tissue factor pathway inhibitor Homo sapiens
3 Our hypothesis was that elderly men with low testosterone levels would have lower plasma levels of plasma free TFPI with subsequent increased thrombin generation. Testosterone tissue factor pathway inhibitor Homo sapiens
4 Elderly men with low testosterone levels had lower plasma free TFPI Ag (10.9 +/- 2.3 ng/ml vs. 12.3 +/- 3.0 ng/ml, p = 0.027) and shorter initiation phase of TF-induced coagulation assessed by lag-time (5.1 +/- 1.0 min vs. 5.7 +/- 1.3, p = 0.039). Testosterone tissue factor pathway inhibitor Homo sapiens
5 Multiple regression analysis revealed that total and free testosterone were independent predictors of plasma free TFPI Ag. Testosterone tissue factor pathway inhibitor Homo sapiens
6 Our findings suggest that low testosterone levels in elderly men is associated with low plasma free TFPI Ag and subsequent shortened initiation phase of TF-induced coagulation. Testosterone tissue factor pathway inhibitor Homo sapiens