Abstract:
:An inibition study of the β-carbonic anhydrase (CA, EC 4.2.1.1) DmBCA from the insect Drosophila melanogaster with sulfonamides and sulfamates is reported. Among the panel of 40 investigated compounds, the best DmBCA inhibitors were the sulfonylated benzenesulfonamides and ethoxzolamide, which showed inhibition constants in the range of 65.3-138 nM. Methazolamide and sulthiame were also effective inhibitors with KIs ranging between 237 and 249 nM, whereas most of the simple aromatic/heterocyclic sulfonamides showed inhibition constants in the range of 0.47-6.40 μM. Topiramate, zonisamide and saccharine did not inhibit DmBCA. As orthologs of this mitochondrial CA are found in many insect species involved in the spread of various diseases, inhibitors interfering with their activity may be of interest for developing insecticides with an alternative mechanism of action to the presently used agents, for which many insects developed extensive resistance.
journal_name
Bioorg Med Chem Lettjournal_title
Bioorganic & medicinal chemistry lettersauthors
Syrjänen L,Parkkila S,Scozzafava A,Supuran CTdoi
10.1016/j.bmcl.2014.04.117subject
Has Abstractpub_date
2014-07-01 00:00:00pages
2797-801issue
13eissn
0960-894Xissn
1464-3405pii
S0960-894X(14)00484-3journal_volume
24pub_type
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