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Bioorg Med Chem Lett. 2004 Jun 21;14(12):3283-90.

Carbonic anhydrase inhibitors: the first QSAR study on inhibition of tumor-associated isoenzyme IX with aromatic and heterocyclic sulfonamides.

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  • 1Research Division, Laxmi Fumigation and Pest Control (P), 3, Khatipura, Indore 452007, India.

Abstract

QSAR study on the tumor-associated transmembrane carbonic anhydrase IX (CA IX) isoenzyme has been made using a large pool of distance-based topological indices : W, Sz, PI (0)chi, (1)chi, (2)chi,(0)chi(v), (1)chi(v), (2)chi(v). A combined set of 32 aromatic and heterocyclic compounds, including the six clinically used derivatives: acetazolamide, methazolamide, ethoxyzolamide, dichlorophenamide, dorzolamide, and brinzolamide are used for this purpose. The results have shown that the inhibition of the tumor-associated isoenzyme IX with aromatic and heterocyclic sulfonamides can be modeled excellently in multiparametric regression after introduction of indicator parameters. The predictive power of the models is discussed using probable error of correlation (PE), variance-inflation factor (VIF), and cross-validation parameters: PRESS, SSY, r(2) (cv) (S) PRESS, and PSE. This is the first report on QSAR study on inhibition of tumor-associated isoenzyme IX.

PMID:
15149691
[PubMed - indexed for MEDLINE]
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