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Science 7 March 2008:
Vol. 319. no. 5868, pp. 1348 - 1349
DOI: 10.1126/science.1155915

Perspectives

SIGNAL TRANSDUCTION:
Sweet Conundrum

Morris J. Birnbaum

High blood glucose concentration causes a transcription factor to be modified with a sugar moiety, triggering the liver to produce yet more glucose.


Institute of Diabetes, Obesity and Metabolism, University of Pennsylvania, Philadelphia, PA 19104, USA. E-mail: birnbaum{at}mail.med.upenn.edu

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Science. ISSN 0036-8075 (print), 1095-9203 (online)