Iwasaki Y, Kambayashi M, Asai M, Yoshida M, Nigawara T, Hashimoto K. High glucose alone, as well as in combination with proinflammatory cytokines, stimulates nuclear factor kappa-B-mediated transcription in hepatocytes in vitro. J Diabetes Complications. 2007 Jan-Feb; 21(1):56-62.

This article basically shows that glucose levels stimulate the production of NFkB, which we know to be a regulator of inflammation.