Prediction study of atherosclerosis by periodontal disease through serum amyloid A.

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The purpose of the present study concerning the relation between periodontitis and arteriosclerosis is to examine whether Serum Amyloid A : SAA could be a marker of atherosclerogenesis in homozygous ApoE deficient mice. In mice, periodontopathic IL-6 was inserted to intraperitoneal injection. SAA m-RNA level in liver, serum SAA level, and the atherosclerosis level were measured. In IL-6 injected group, serum SAA m-RNA level, SAA level in IL-6 were higher than PBS injected group, and the area rate of an atherosclerosis were increased. Therefore, we suggest that SAA increased by IL-6 stimulation made due to periodontitis could cause the onset to an atherosclerosis.