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Current Protein & Peptide Science


ISSN (Print): 1389-2037
ISSN (Online): 1875-5550

Structure-Based Approaches in the Design of GSK-3 Selective Inhibitors

Author(s): Dhilon S. Patel, Nigus Dessalew, Pansy Iqbal and Prasad V. Bharatam

Volume 8, Issue 4, 2007

Page: [352 - 364] Pages: 13

DOI: 10.2174/138920307781369409

Price: $65


Glycogen Synthase Kinase-3 (GSK-3) is a serine/threonine kinase with varied number of actions in cellular signalling systems making it an emerging target for diseases such as diabetes mellitus, cancer, chronic inflammation, bipolar affective disorders and Alzheimers disease. Various efforts have produced many potent small molecule inhibitors of GSK-3, which are being tested for modulation of glycogen metabolism, gene transcription, apoptosis and enhancement of insulin-stimulated glucose transport. Majority of the reported inhibitors show their inhibitory effects towards other phylogenetically related kinases also, like cyclin dependant kinases (CDKs). Thus it is important to develop inhibitors that can inhibit GSK-3 selectively. Rational approaches based on the knowledge of the receptor are best suited to address the selectivity problem. Several crystal structures of GSK-3β with different ligands are being reported. These are providing the necessary clues regarding the interaction in the ligand binding domain. Several molecular docking efforts are being taken up to identify the clues for enhancing selectivity towards GSK-3. In this review we present current efforts and future opportunities in designing selective GSK-3 inhibitors.

Keywords: Insulin Signaling Pathway, FRATide peptide, X-Ray Crystallography, Maleimides, Paullones, Cyclin dependant kinase

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