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In light of the success of blockbuster drugs for type 2 diabetes and obesity based on the GLP-1 hormone, drugmakers have concentrated their efforts on developing new and improved variations that address the route of administration, dosing, pathway selectivity, or polypharmacology. While some of these modifications have demonstrated improved efficacy in clinical studies and offered exciting opportunities for treating other diseases, drug-induced shifts to the conformational landscape of target receptors may have consequences for side effects. Our review summarizes advances in the understanding of the biochemistry, pharmacogenomics, and molecular pharmacology of incretins and their cognate receptors. We further highlight the current landscape of incretin mimetics and discuss how differences in compartmentalized pathway selectivity affect drug action and outcomes.
Wright et al. (Wed,) studied this question.