To determine if endothelial cell metabolism is affected by the elevated glucose concentrations known to occur in diabetes mellitus, we measured cellular Factor VIIIR:Ag in endothelial cells grown under conditions of increased glucose concentration. The results of this study illustrate that, under cell culture conditions, an increase in glucose concentration results in increased cellular levels of Factor VIIIR:Ag. Specifically, a glucose concentration of 300 mg/dl resulted in a 23% increase in Factor VIIIR:Ag levels while a glucose concentration of 600 mg/dl resulted in a 54% increase in Factor VIIIR:Ag levels. These in vitro findings may relate to the increase in plasma Factor VIIIR:Ag levels known to occur in diabetic patients.

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