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Increased incidence of neoplasia with persistent activation of the of the digestive tract in men coagulant pathway

Miller, GJ; Bauer, KA; Howarth, DJ; Cooper, JA; Humphries, SE; Rosenberg, RD; (2004) Increased incidence of neoplasia with persistent activation of the of the digestive tract in men coagulant pathway. J THROMB HAEMOST , 2 (12) 2107 - 2114.

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Abstract

Background: Thrombin promotes angiogenesis and cell proliferation in cancer. Whether thrombin turnover influences cancer incidence is unknown. Objectives: To explore the relation between the status of the coagulant pathway and cancer incidence by population survey. Methods: Of 4009 middle-aged men clinically free of malignancy, 3052 (76.1%) were recruited. Measurements of hemostatic status were made annually for 4 years, and follow-up for morbidity and mortality was maintained thereafter. Persistent activation of the coagulant pathway was diagnosed when prothrombin fragment 1 + 2 and fibrinopeptide A concentrations exceeded the upper quartiles of the population distribution in two consecutive annual examinations. Cancer incidence rates in men developing persistent activation (taking the time of onset of activation as baseline) were compared with those in men remaining free of this condition. Results: Persistent activation of the hemostatic pathway was a distinct entity found in 111 men [43 expected by chance alone (P < 0.001)], and associated with activation throughout the coagulation pathway. Total mortality (/1000 person-years) was higher in those with persistent activation than in others (17.1 and 9.7, respectively, P = 0.015), owing to a higher mortality from all cancers (11.3 and 5.1, respectively, P = 0.01), due in turn largely to a higher mortality from cancers of the digestive tract (6.3 and 1.9, respectively, P = 0.004). Trends were similar for non-fatal cancers. Conclusions: Persistent activation of the coagulant pathway plays a role in the preclinical phase of cancer and is associated with an increased incidence of clinical malignancy, especially of the digestive tract.

Type:Article
Title:Increased incidence of neoplasia with persistent activation of the of the digestive tract in men coagulant pathway
Keywords:epidemiology, fibrinopeptide A, neoplasia, prothrombin thrombin fragment 1+2, CORONARY-HEART-DISEASE, VENOUS THROMBOEMBOLISM, PROTHROMBIN ACTIVATION, THROMBIN GENERATION, FIBRINOPEPTIDE-A, CLOTTING FACTORS, TISSUE FACTOR, RISK-FACTOR, CANCER, FIBRINOGEN
UCL classification:UCL > School of Life and Medical Sciences > Faculty of Population Health Sciences > Institute of Cardiovascular Science

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