alexa Increased plasma level of vascular endothelial glycoprotein thrombomodulin as an early indicator of endothelial damage in bone marrow transplantation.
Genetics & Molecular Biology

Genetics & Molecular Biology

Journal of Stem Cell Research & Therapy

Author(s): Testa S, Manna A, Porcellini A, Maffi F, Morstabilini G,

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Abstract We investigated the nature of hemostatic alterations occurring after bone marrow transplantation. In 45 patients, we evaluated the coagulation parameters, naturally occurring anticoagulants and thrombomodulin at days +15 and +22 after conditioning therapy. It was observed that endothelial cell damage is a central pathogenetic mechanism in some BMT complications. The increased plasma level of thrombomodulin after conditioning therapy is therefore discussed as a marker of endothelial cell injury. At day +15 a significant increase of fibrinogen from 276.1 mg/dI to 389.1 mg/dI was observed, while the natural anticoagulants all decreased significantly. Eleven patients with clinical complications related to endothelial damage had a significant thrombomodulin increase which, in uncomplicated patients, remained unchanged or resulted in lower than baseline values. Analysis of the data shows a strong correlation between clinical findings, reflecting endothelial cell injury and thrombomodulin increase when the increment is > or = 30\%. We found a significant elevation in thrombomodulin in 70\% of clinical complications related to endothelial cell damage namely: septicemia, GVHD, VOD. There were four cases (or 9\%) of false positive data, and only two (or 4.5\%) of false negative results. We therefore propose thrombomodulin assessment as a valid parameter to monitor chemotherapy toxicity-related complications.
This article was published in Bone Marrow Transplant and referenced in Journal of Stem Cell Research & Therapy

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