DOC News April 1, 2006
Volume 3 Number 4 p. 12
© 2006 American Diabetes Association
Endothelial Dysfunction Precedes Diabetes
Markers of endothelial dysfunction can be detected in the bloodstream long
before the development of type 2 diabetes, according to research published in
the February issue of Diabetes.
A group of investigators studied 2,924 participants of the Framingham
Offspring Study, who are spouses and children of the original Framingham Heart
Study subjects. The offspring were an average age of 54 years, and none of
them had diabetes. Participants had blood drawn for markers of endothelial
dysfunction, including plasminogen activator inhibitor-1 antigen, von
Willebrand factor antigen, and C-reactive protein.
During the 7-year follow-up period, there were 153 new cases of type 2
diabetes among the offspring. Researchers observed an increase in markers of
endothelial dysfunction that strongly correlated with diabetes. The
relationship remained strong when other factors were controlled for, including
obesity, insulin resistance, and inflammation.
Although testing for markers of endothelial dysfunction may not be
practical or useful in the clinical setting, the research suggests that
therapies aimed at improving endothelial dysfunction may reduce the risk of
diabetes.
Meigs JB, O'Donnell CJ, Tofler GH, et al.: Hemostatic
markers of endothelial dysfunction and risk of incident type 2 diabetes: The
Framingham Offspring Study. Diabetes 55: 530537, 2006[Abstract/Free Full Text]
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