RB gene LOH appears to be an early predictive feature for osteosarcomas that indicates a potential unfavorable outcome. RB LOH study might shortly help to identify high-risk patients earlier. If this is verified, therapy could then be adapted earlier to the individual's real risk of relapse.
Calibrated Automated Thrombography (CAT) has been widely used to assess in vitro thrombin generation as an informative intermediary phenotype of coagulation. Interlaboratory exercises have documented a worrisome poor reproducibility. There are some data on the normalisation with an appropriate external reference plasma (RP). This multicentre study of the French-speaking CAT Club aimed at providing further evidence for the usefulness of such a normalisation
SummaryThe variations of FVII, PAI-1, TAT complexes, fibrinopeptide A, D-Dimers and beta thromboglobulin plasma levels were studied on 30 sedentary men, smokers and non-smokers, who were admitted to a 6 months’ program of physical training and smoking cessation. After 3 months of intervention, sustained physical training was associated with the decrease of FVII and PAI-1 levels. Mild exercise performed during a second 3-month period could maintain normal FVII and PAI-1 activities but participants who stopped the training increased their FVII and PAI-1 plasma levels. FVII was not influenced by smoking habits. Smoking cessation seemed to slightly potentiate the decrease of PAI-1 levels associated with mild exercise. Overweight, FVII and PAI-1 levels were correlated and the weight reduction induced by training was related to the changes in the factors. In smokers, physical exercise was associated with a significant increase of hemostatic markers. This exercise-induced variation disappeared after 3 months of intervention in participants who stopped smoking and reappeared in those who smoked again after 6 months of intervention. This finding was not influenced by the physical training program.
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