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Synthesis and SAR study of acridine, 2-methylquinoline and 2-phenylquinazoline analogues as anti-prion agents.

Cope, H. and Mutter, R. and Heal, W. and Pascoe, C. and Brown, P. and Pratt, S. and Chen, B. (2006) 'Synthesis and SAR study of acridine, 2-methylquinoline and 2-phenylquinazoline analogues as anti-prion agents.', European journal of medicinal chemistry., 41 (10). pp. 1124-1143.

Abstract

Transmissible spongiform encephalopathies (TSEs) are thought to arise from aggregation of a protease resistant protein denoted PrPSc, which is a misfolded isoform of the normal cellular prion protein PrPC. Using virtual high-throughput screening we have selected structures analogous to acridine, 2-methyquinoline and 2-phenylquinazoline as potential therapeutic candidates for the treatment of TSEs. From the synthesis and screening of constructed libraries we have shown that an electron-rich aromatic ring attached through an amine linker to the position para to the ring nitrogen is beneficial to both binding to PrPC and the suppression of PrPSc accumulation for acridine and 2-methylquinoline analogues. 2-Phenylquinazoline analogues appear to utilise a different mode of action by binding at a different location and/or pose. We report IC50s in the nanomolar range.

Item Type:Article
Full text:Full text not available from this repository.
Publisher Web site:http://dx.doi.org/10.1016/j.ejmech.2006.05.002
Record Created:11 Feb 2009
Last Modified:08 Apr 2009 16:32

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