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University of Chicago

Findings advance knowledge in diabetes pathogenesis research

Published in Law and Health Weekly, July 30th, 2005

Reports from the United States, Switzerland and Canada highlight recent research on diabetes pathogenesis.

Study 1: The foldability and function of insulin are inversely regulated by a stereospecific switch in the B chain.

According to recent research published in the journal Biochemistry, "how insulin binds to its receptor is unknown despite decades of investigation. Here, we employ chiral mutagenesis - comparison of corresponding D and L amino acid substitutions in the hormone - to define a structural switch between folding-competent and active conformations. Our strategy is motivated by the T -> R transition, an allosteric feature of...

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