1. Microparticle-associated tissue factor activity in patients with pancreatic cancer: correlation with clinicopathological features
- Author
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Michael Gnant, Johannes Thaler, Leonhard Müllauer, Ingrid Pabinger, Cihan Ay, Alexandra Kaider, Sylvia Metz-Schimmerl, Judith Stift, Nigel Mackman, and Werner Scheithauer
- Subjects
Adult ,Male ,Pathology ,medicine.medical_specialty ,CA-19-9 Antigen ,Clinical Biochemistry ,Kaplan-Meier Estimate ,Disease ,Adenocarcinoma ,Biochemistry ,Thromboplastin ,Vascular invasion ,Fibrin Fibrinogen Degradation Products ,Correlation ,Tissue factor ,Cell-Derived Microparticles ,Pancreatic cancer ,Biomarkers, Tumor ,Humans ,Medicine ,Neoplasm Invasiveness ,In patient ,Aged ,Neoplasm Staging ,Aged, 80 and over ,business.industry ,General Medicine ,Middle Aged ,Prognosis ,medicine.disease ,Immunohistochemistry ,Vascular Neoplasms ,Pancreatic Neoplasms ,Female ,Neoplasm Grading ,business ,Tomography, Spiral Computed ,Infiltration (medical) - Abstract
Background Patients with pancreatic cancer have an unfavourable prognosis. A central role in pancreatic cancer progression has been suggested for tissue factor (TF), the main initiator of the blood coagulation cascade. We hypothesized that elevated levels of plasma microparticle (MP)-associated TF activity might indicate the presence of poorly differentiated pancreatic cancer, disease dissemination and infiltration of peripancreatic vessels. Methods MP-TF activity was measured in 73 pancreatic cancer patients and 22 healthy controls. Abdominal computerized tomography (CT) scans performed at study inclusion were investigated for probability of tumoural vascular invasion. In addition, intratumoural TF expression, D-dimer and CA 19-9 levels were determined. Results MP-TF activity (pg/mL) was significantly higher in patients (median: 0·37 [range: 0·00–11·91]) than in controls (median: 0·05 [range: 0·00–0·76]; P
- Published
- 2013
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