Analysis of coagulation factor XIII in Crohn's disease. Establishment of a novel monoclonal anti-coagulation factor XIII antibody.:Establishment of a novel monoclonal anti-coagulation factor XIII antibody

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A novel monoclonal anti-human coagulation factor XIII (F. XIII) antibody (2C3 antibody) raised in BALB/c mice was established by Kohler and Milstein methods. The monoclonal antibody recognized F. XIII of 85 KD demonstrated by western blotting analysis. Plasma F. XIII-IR levels measured by ELISA with 2C3 antibody were significantly lower in active disease than in quiescent disease in a total of 21 Crohn's disease (CD) patients. Plasma F. XIII levels were significantly lower on admission in CD with fistulas than in CD without fistulas. Relationships between activities of CD and plasma F. XIII levels were shown. No significant relationships, however, were observed between F. XIII-IR levels and nutritional states assessed by TP, ALB, TF, PA, RBP, %IBW. Low levels of F. XIII in active CD patients with fistulas may occur regardless of hyponutrition. By using 2C3 antibody, global functions of F. XIII will become clarified as well as pathologic and diagnostic roles of plasma F. XIII in CD.
財団法人日本消化器病学会の論文