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Trends Pharmacol Sci. 2010 Sep;31(9):434-41. doi: 10.1016/j.tips.2010.06.003. Epub 2010 Jul 23.

Peptide drugs to target G protein-coupled receptors.

Author information

1
Institute of Biochemistry, Faculty of Biosciences, Pharmacy and Psychology, Leipzig University, BrĂ¼derstrasse 34, D 04103 Germany.

Abstract

Major indications for use of peptide-based therapeutics include endocrine functions (especially diabetes mellitus and obesity), infectious diseases, and cancer. Whereas some peptide pharmaceuticals are drugs, acting as agonists or antagonists to directly treat cancer, others (including peptide diagnostics and tumour-targeting pharmaceuticals) use peptides to 'shuttle' a chemotherapeutic agent or a tracer to the tumour and allow sensitive imaging or targeted therapy. Significant progress has been made in the last few years to overcome disadvantages in peptide design such as short half-life, fast proteolytic cleavage, and low oral bioavailability. These advances include peptide PEGylation, lipidisation or multimerisation; the introduction of peptidomimetic elements into the sequences; and innovative uptake strategies such as liposomal, capsule or subcutaneous formulations. This review focuses on peptides targeting G protein-coupled receptors that are promising drug candidates or that have recently entered the pharmaceutical market.

PMID:
20655603
DOI:
10.1016/j.tips.2010.06.003
[Indexed for MEDLINE]

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