Inhibition of tumor-associated human carbonic anhydrase isozymes IX and XII by a new class of substituted-phenylacetamido aromatic sulfonamides

被引:21
作者
Akdemir, Atilla [1 ]
Guzel-Akdemir, Ozlen [2 ]
Scozzafava, Andrea [3 ]
Capasso, Clemente [4 ]
Supuran, Claudiu T. [3 ,5 ]
机构
[1] Bezmialem Vakif Univ, Fac Pharm, Dept Pharmacol, TR-34093 Istanbul, Turkey
[2] Istanbul Univ, Fac Pharm, Dept Pharmaceut Chem, TR-34116 Istanbul, Turkey
[3] Univ Florence, Lab Chim Bioinorgan, I-50019 Florence, Italy
[4] CNR, Ist Biochim Prot, I-80131 Naples, Italy
[5] Univ Florence, NEUROFARBA Dept, Sez Sci Farmaceut, I-50019 Florence, Italy
关键词
Carbonic anhydrases; Cytosolic isoforms I and II; Tumor-associated isoforms IX and XII; Sulfonamides; Docking; X-RAY; CRYSTAL-STRUCTURE; ACTIVE-SITE; ISOFORMS; DIOXIDE; DOMAIN;
D O I
10.1016/j.bmc.2013.06.029
中图分类号
Q5 [生物化学]; Q7 [分子生物学];
学科分类号
071010 ; 081704 ;
摘要
Here, we investigate 28 structurally new sulfonamides and their subsequent testing for enzyme inhibition of cytosolic and tumor-associated carbonic anhydrases (CAs, EC 4.2.1.1). The compounds showed very potent inhibition of four physiologically relevant human (h) CA isoforms, namely hCA I, II, IX and XII. Interestingly, the K-I values were in the nanomolar range for the tumor-associated hCA IX and hCA XII. Docking studies have revealed details regarding the very favorable interactions between the scaffolds of this new class of inhibitors and the active sites of the investigated CA isoforms. As there are reported cases of tumors overexpressing both CA II and IX, such potent inhibitors for the two isoforms as those detected in this work, may have applications for targeting more than one CA present in tumors. (C) 2013 Elsevier Ltd. All rights reserved.
引用
收藏
页码:5228 / 5232
页数:5
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