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J Enzyme Inhib Med Chem. 2013 Apr;28(2):316-9. doi: 10.3109/14756366.2011.637200. Epub 2011 Dec 6.

Inhibition of mammalian carbonic anhydrase isoforms I, II and VI with thiamine and thiamine-like molecules.

Author information

1
Department of Chemistry, Art and Science Faculty, Kirklareli University, Kirklareli, Turkey.

Abstract

Here we determined the in vitro inhibitory effects of 5-(2-hydroxyethyl)-3,4-dimethylthiazolium iodide (1), 3-Benzyl-5-(2-hydroxyethyl)-4-methylthiazolium chloride (2) and thiamine (3) on human erythrocyte carbonic anhydrase I, II isozymes (hCA I and hCA II) and secreted isoenzyme CA VI. K(I) values ranged from 0.38 to 2.27 µM for hCA I, 0.085 to 0.784 µM for hCA II and 0.062 to 0.593 µM for hCA VI, respectively. The compounds displayed relatively strong actions on hCA II, in the same range as the clinically used sulfonamidesethoxzolamide, zonisamide and acetazolamide.

PMID:
22145674
DOI:
10.3109/14756366.2011.637200
[Indexed for MEDLINE]

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