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Clin Chim Acta. 2013 Jun 5;421:147-51. doi: 10.1016/j.cca.2013.03.012. Epub 2013 Mar 21.

Inverse correlations between serum ADAMTS13 levels and systolic blood pressure, pulse pressure, and serum C-reactive protein levels observed at a general health examination in a Japanese population: a cross-sectional study.

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Department of Clinical Laboratory Medicine, Graduate School of Medicine, The University of Tokyo, Bunkyo-ku, Tokyo, Japan.



Although a defect in ADAMTS13 activity is known to cause platelet thrombosis resulting in thrombotic thrombocytopenic purpura (TTP), recent evidence has revealed that low plasma ADAMTS13 concentrations may increase the risk of ischemic vascular diseases. Furthermore, reduced plasma ADAMTS13 activity has been reported in acute systemic inflammation or sepsis. These findings prompted us to examine whether ADAMTS13 may play a role in more diverse diseases, not limited to TTP.


A cross-sectional study was conducted to examine ADAMTS13 concentrations in blood samples from 432 subjects who had undergone a general health examination.


Serum ADAMTS 13 concentrations were lower in men than in women and in older age, as previously reported. Of note, the serum ADAMTS13 concentration was significantly and inversely correlated with the systolic blood pressure, pulse pressure, and serum C reactive protein concentration in both men and women and with the serum γ-glutamyltransferase concentration in men only. In 88 subjects, who underwent a carotid artery evaluation, serum ADAMTS13 concentrations were significantly lower in the subjects with a thicker carotid intima-media.


ADAMTS13 may play a role in not only TTP, but also inflammation, oxidative stress, and atherosclerosis. The potentially diverse clinical significance of ADAMTS13 should be prospectively elucidated in a larger cohort.

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