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Research about the relationship of tissue factor, tissue factor pathway inhibitor-1, 2 with cancer metastases and thrombosis

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Author:
No author available
Journal Title:
CANCER RESEARCH AND CLINIC
Issue:
4
DOI:
10.3760/cma.j.issn.1006-9801.2010.04.005
Key Word:
凝血致活酶;血液凝固因子抑制剂;血栓形成;肿瘤转移;Thromboplastin;Blood coagulation factor inhibitors;Thrombosis;Neoplasm metastasis

Abstract: Objective To evaluate the effect of tissue factor (TF), tissue factor pathway inhibitor-1,2 (TFPI-1,2) on cancer metastases and thrombosis complicated with cancer. Methods Blood samples from 292 cancer patients were collected and were divided into different teams according to cancer types,complicated with or without thrombosis; TF, TFPI-1, TFPI-2, plasma concentrations were measured by ELISA;Tissue expression of TF, TFPI-1, TFPI-2 were observed by immunohistochemical method. Results Plasma concentrations of TF and TFPI-1 in all kinds of cancers were higher than the control and lung cancer was the highest; TFPI-2 plasma concentrations had no statistics differences among all these teams. Tissue expression of TF of all kinds of cancer were higher than the adjacent tissues, lung cancer was higher than the other types of cancer. There were no statistics differences for TFPI-1 and TFPI-2. Both TF and TFPI-1 plasma concentrations of cancer with-or without-thrombosis were higher than control. TF was even higher in cancer with thrombosis team, TFPI-1 had no statistic difference between these two teams. TFPI-2 concentrations had no differences among all these teams. Conclusion Many kinds of tumor have higher expression of TF, it is expressed with different intensity according to different types of cancer. TFPI-1 has no clear effect in cancer growing and metastases. Unbalance of TF and TFPI-1 in plasma may relate to high coagulation state of cancer and may accelerate the thrombosis formation in cancer.

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