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Supuran CT. A simple yet multifaceted 90 years old, evergreen enzyme: Carbonic anhydrase, its inhibition and activation. Bioorg Med Chem Lett 2023; 93:129411. [PMID: 37507055 DOI: 10.1016/j.bmcl.2023.129411] [Citation(s) in RCA: 30] [Impact Index Per Article: 30.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/10/2023] [Accepted: 07/18/2023] [Indexed: 07/30/2023]
Abstract
Advances in the carbonic anhydrase (CA, EC 4.2.1.1) research over the last three decades are presented, with an emphasis on the deciphering of the activation mechanism, the development of isoform-selective inhibitors/ activators by the tail approach and their applications in the management of obesity, hypoxic tumors, neurological conditions, and as antiinfectives.
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Affiliation(s)
- Claudiu T Supuran
- Neurofarba Department, University of Florence, Section of Pharmaceutical Sciences, Via Ugo Schiff 6, 50019 Sesto Fiorentino, Florence, Italy.
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2
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Saeed A, Channar PA, Arshad M, El‐Seedi HR, Abbas Q, Hassan M, Raza H, Seo S. Novel
N
‐(benzo[d]oxazol‐2‐yl)alkanamides; synthesis and carbonic anhydrase
II
inhibition studies. J Heterocycl Chem 2020. [DOI: 10.1002/jhet.3992] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022]
Affiliation(s)
- Aamer Saeed
- Department of ChemistryQuaid‐i‐Azam University Islamabad Pakistan
| | | | - Muhammad Arshad
- Chemistry Division Directorate of SciencePINSTECH Nilore Pakistan
| | - Hesham R. El‐Seedi
- Pharmacognosy Group, Department of Medicinal ChemistryBiomedical Center (BMC), Uppsala University Uppsala Sweden
| | - Qamar Abbas
- Department of PhysiologyUniversity of Sindh Jamshoro Pakistan
| | - Mubashir Hassan
- Institute of Molecular Biology and Biotechnology (IMBB)The University of Lahore Lahore Pakistan
| | - Hussain Raza
- College of Natural Sciences, Department of Biological SciencesKongju National University Gongju Republic of Korea
| | - Sung‐Yum Seo
- College of Natural Sciences, Department of Biological SciencesKongju National University Gongju Republic of Korea
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3
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Qamar R, Saeed A, Saeed M, Ashraf Z, Abbas Q, Hassan M, Albericio F. Synthesis, carbonic anhydrase inhibitory activity and antioxidant activity of some 1,3-oxazine derivatives. Drug Dev Res 2018; 79:352-361. [DOI: 10.1002/ddr.21464] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/20/2018] [Revised: 08/10/2018] [Accepted: 08/14/2018] [Indexed: 11/08/2022]
Affiliation(s)
- Rabia Qamar
- Department of Chemistry; Quaid-i-Azam University; Islamabad Pakistan
| | - Aamer Saeed
- Department of Chemistry; Quaid-i-Azam University; Islamabad Pakistan
| | - Maria Saeed
- Department of Chemistry; Quaid-i-Azam University; Islamabad Pakistan
| | - Zaman Ashraf
- Department of Chemistry; Allama Iqbal Open University; Islamabad Pakistan
| | - Qamar Abbas
- Department of Physiology; University of Sindh; Jamshoro Pakistan
| | - Mubashir Hassan
- Department of Biology, College of Natural Sciences; Kongju National University; Gongju Republic of Korea
| | - Fernando Albericio
- School of Chemistry and Physics; University of KwaZulu-Natal; Durban South Africa
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4
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Chen Z, Ai L, Mboge MY, Tu C, McKenna R, Brown KD, Heldermon CD, Frost SC. Differential expression and function of CAIX and CAXII in breast cancer: A comparison between tumorgraft models and cells. PLoS One 2018; 13:e0199476. [PMID: 29965974 PMCID: PMC6028082 DOI: 10.1371/journal.pone.0199476] [Citation(s) in RCA: 39] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/27/2018] [Accepted: 06/07/2018] [Indexed: 01/25/2023] Open
Abstract
Carbonic anhydrase IX (CAIX) and XII (CAXII) are transmembrane proteins that are associated with cancer progression. We have previously described the catalytic properties of CAIX in MDA-MB-231 breast cancer cells, a line of cells that were derived from a patient with triple negative breast cancer. We chose this line because CAIX expression in breast cancer is a marker of hypoxia and a prognosticator for reduced survival. However, CAXII expression is associated with better survival statistics than those patients with low CAXII expression. Yet CAIX and CAXII have similar catalytic activities. Here we compare the potential roles of CAIX and CAXII in the context of TNBC and estrogen receptor (ER)-positive breast cancer. In tumor graft models, we show that CAIX and CAXII exhibit distinct expression patterns and non-overlapping. We find the same pattern across a panel of TNBC and luminal breast cancer cell lines. This affords an opportunity to compare directly CAIX and CAXII function. Our data suggest that CAIX expression is associated with growth potentiation in the tumor graft model and in a TNBC line using knockdown strategies and blocking activity with an impermeant sulfonamide inhibitor, N-3500. CAXII was not associated with growth potentiation. The catalytic activities of both CAIX and CAXII were sensitive to inhibition by N-3500 and activated at low pH. However, pH titration of activity in membrane ghosts revealed significant differences in the catalytic efficiency and pKa values. These features provide evidence that CAIX is a more efficient enzyme than CAXII at low pH and that CAIX shifts the equilibrium between CO2 and bicarbonate in favor of CO2 production by consuming protons. This suggests that in the acidic microenvironment of tumors, CAIX plays a role in stabilizing pH at a value that favors cancer cell survival.
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Affiliation(s)
- Zhijuan Chen
- The Department of Biochemistry and Molecular Biology, University of Florida, Gainesville, FL, United States of America
| | - Lingbao Ai
- The Department of Medicine, University of Florida, Gainesville, FL, United States of America
| | - Mam Y Mboge
- The Department of Biochemistry and Molecular Biology, University of Florida, Gainesville, FL, United States of America
| | - Chingkuang Tu
- The Department of Biochemistry and Molecular Biology, University of Florida, Gainesville, FL, United States of America
| | - Robert McKenna
- The Department of Biochemistry and Molecular Biology, University of Florida, Gainesville, FL, United States of America
| | - Kevin D Brown
- The Department of Biochemistry and Molecular Biology, University of Florida, Gainesville, FL, United States of America
| | - Coy D Heldermon
- The Department of Medicine, University of Florida, Gainesville, FL, United States of America
| | - Susan C Frost
- The Department of Biochemistry and Molecular Biology, University of Florida, Gainesville, FL, United States of America
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Chen Z, Ai L, Mboge MY, McKenna R, Frost CJ, Heldermon CD, Frost SC. UFH-001 cells: A novel triple negative, CAIX-positive, human breast cancer model system. Cancer Biol Ther 2018; 19:598-608. [PMID: 29561695 DOI: 10.1080/15384047.2018.1449612] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/24/2022] Open
Abstract
Human cell lines are an important resource for research, and are often used as in vitro models of human diseases. In response to the mandate that all cells should be authenticated, we discovered that the MDA-MB-231 cells that were in use in our lab, did not validate based on the alleles of 9 different markers (STR Profile). We had been using this line as a model of triple negative breast cancer (TNBC) that has the ability to form tumors in immuno-compromised mice. Based on marker analysis, these cells most closely resembled the MCF10A line, which are a near diploid and normal mammary epithelial line. Yet, the original cells express carbonic anhydrase IX (CAIX) both constitutively and in response to hypoxia and are features that likely drive the aggressive nature of these cells. Thus, we sought to sub-purify CAIX-expressing cells using Fluorescence Activated Cell Sorting (FACS). These studies have revealed a new line of cells that we have name UFH-001, which have the TNBC phenotype, are positive for CAIX expression, both constitutively and in response to hypoxia, and behave aggressively in vivo. These cells may be useful for exploring mechanisms that underlie progression, migration, and metastasis of this phenotype. In addition, constitutive expression of CAIX allows its evaluation as a therapeutic target, both in vivo and in vitro.
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Affiliation(s)
- Zhijuan Chen
- a Department of Biochemistry and Molecular Biology , Gainesville , FL
| | - Lingbao Ai
- b Department of Medicine , University of Florida , Gainesville , FL
| | - Mam Y Mboge
- a Department of Biochemistry and Molecular Biology , Gainesville , FL
| | - Robert McKenna
- a Department of Biochemistry and Molecular Biology , Gainesville , FL
| | | | - Coy D Heldermon
- b Department of Medicine , University of Florida , Gainesville , FL
| | - Susan C Frost
- a Department of Biochemistry and Molecular Biology , Gainesville , FL
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Gokcen T, Gulcin I, Ozturk T, Goren AC. A class of sulfonamides as carbonic anhydrase I and II inhibitors. J Enzyme Inhib Med Chem 2016; 31:180-188. [PMID: 27353698 DOI: 10.1080/14756366.2016.1198900] [Citation(s) in RCA: 43] [Impact Index Per Article: 5.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/21/2022] Open
Abstract
Four groups of novel sulfonamide derivatives: (i) acetoxybenzamide, (ii) triacetoxybenzamide, (iii) hydroxybenzamide and (iv) trihydroxybenzamide, all having thiazole, pyrimidine, pyridine, isoxazole and thiadiazole moieties were prepared and their inhibitory effects were studied on two metalloenzymes, i.e. carbonic anhydrase isozymes (hCA I and II), purified from human erythrocyte cells by Sepharose-4B-l-tyrosine-sulfanilamide affinity chromatography. These enzymes are present in almost all living organisms to catalyse the synthesis of bicarbonate ion (HCO3-) from carbon dioxide and water. The sulfonamide derivatives were found to be active against hCA I and II in the range of 2.62-136.54 and 5.74-210.58 nM, respectively.
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Affiliation(s)
- Taner Gokcen
- a Chemistry Group Laboratories, TUBITAK UME , Gebze , Turkey.,b Department of Organic Chemistry , Faculty of Science, Istanbul Technical University , Istanbul , Turkey
| | - Ilhami Gulcin
- c Department of Chemistry , Faculty of Science, Atatürk University , Erzurum , Turkey , and.,d Fetal Programming of Diseases Research Chair, Zoology Department, College of Science, King Saud University , Riyadh , Saudi Arabia
| | - Turan Ozturk
- a Chemistry Group Laboratories, TUBITAK UME , Gebze , Turkey.,b Department of Organic Chemistry , Faculty of Science, Istanbul Technical University , Istanbul , Turkey
| | - Ahmet C Goren
- a Chemistry Group Laboratories, TUBITAK UME , Gebze , Turkey
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7
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Defective hepatic bicarbonate production due to carbonic anhydrase VA deficiency leads to early-onset life-threatening metabolic crisis. Genet Med 2016; 18:991-1000. [DOI: 10.1038/gim.2015.201] [Citation(s) in RCA: 24] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/27/2015] [Accepted: 11/30/2015] [Indexed: 12/25/2022] Open
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N-Acylsulfonamides strongly inhibit human carbonic anhydrase isoenzymes I and II. Bioorg Med Chem 2015; 23:2598-605. [PMID: 25863492 DOI: 10.1016/j.bmc.2014.12.054] [Citation(s) in RCA: 135] [Impact Index Per Article: 15.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/05/2014] [Revised: 12/18/2014] [Accepted: 12/22/2014] [Indexed: 12/24/2022]
Abstract
Sulfonamides represent a significant class of biologically active compounds that inhibit carbonic anhydrase (CA, EC.: 4.2.1.1) isoenzymes involved in different pathological and physiological events. Sulfonamide CA inhibitors are used therapeutically as diuretic, antiglaucoma, antiobesity and anticancer agents. A series of new sulfonamides were synthesized using imides and tosyl chloride as starting materials. These N-acylsulfonamides efficiently inhibited the cytosolic human carbonic anhydrase isoenzymes I, and II (hCA I, and II), with nanomolar range inhibition constants ranging between 36.4 ± 6.0-254.6 ± 18.0 and 58.3 ± 0.6-273.3 ± 2.5 nM, respectively.
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New aminobenzenesulfonamide–thiourea conjugates: Synthesis and carbonic anhydrase inhibition and docking studies. Eur J Med Chem 2014; 78:140-50. [DOI: 10.1016/j.ejmech.2014.03.023] [Citation(s) in RCA: 34] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/25/2013] [Revised: 02/16/2014] [Accepted: 03/08/2014] [Indexed: 11/22/2022]
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10
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The structural comparison between membrane-associated human carbonic anhydrases provides insights into drug design of selective inhibitors. Biopolymers 2014; 101:769-78. [DOI: 10.1002/bip.22456] [Citation(s) in RCA: 41] [Impact Index Per Article: 4.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/04/2013] [Revised: 12/10/2013] [Accepted: 12/13/2013] [Indexed: 01/08/2023]
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11
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A Simple and Efficient Synthesis of Ethyl 1-Aryl-4-formyl-1H-pyrazole-3-carboxylates. J Heterocycl Chem 2013. [DOI: 10.1002/jhet.1042] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022]
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12
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Marini AM, Maresca A, Aggarwal M, Orlandini E, Nencetti S, Da Settimo F, Salerno S, Simorini F, La Motta C, Taliani S, Nuti E, Scozzafava A, McKenna R, Rossello A, Supuran CT. Tricyclic sulfonamides incorporating benzothiopyrano[4,3-c]pyrazole and pyridothiopyrano[4,3-c]pyrazole effectively inhibit α- and β-carbonic anhydrase: X-ray crystallography and solution investigations on 15 isoforms. J Med Chem 2012; 55:9619-29. [PMID: 23067387 DOI: 10.1021/jm300878g] [Citation(s) in RCA: 33] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Abstract
Carbonic anhydrases (CAs, EC 4.2.1.1) are ubiquitous isozymes involved in crucial physiological and pathological events, representing the targets of inhibitors with several therapeutic applications. In this connection, we report a new class of carbonic anhydrase inhibitors, based on the thiopyrano-fused pyrazole scaffold to which a pendant 4-sulfamoylphenyl moiety was attached. The new sulfonamides 3a-e were designed as constrained analogues of celecoxib and valdecoxib. The most interesting feature of sulfonamides 3 was their predominantly strong inhibition of human (h) CA I and II, as well as those of the mycobacterial β-class enzymes (Rv1284, Rv3273, and Rv3588c), whereas their inhibitory action against hCA III, IV, VA, VB, VI, VII, IX, XII, XIII, and XIV was found to be at least 2 orders of magnitude lower. X-ray crystallography and structural superposition studies made it possible to explain the very distinct inhibition profile of the tricyclic sulfonamides, different from those of celecoxib and valdecoxib.
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Affiliation(s)
- Anna M Marini
- Dipartimento di Scienze Farmaceutiche, Università di Pisa, Via Bonanno 6, 56126 Pisa, Italy.
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Tolvanen MEE, Ortutay C, Barker HR, Aspatwar A, Patrikainen M, Parkkila S. Analysis of evolution of carbonic anhydrases IV and XV reveals a rich history of gene duplications and a new group of isozymes. Bioorg Med Chem 2012; 21:1503-10. [PMID: 23022279 DOI: 10.1016/j.bmc.2012.08.060] [Citation(s) in RCA: 11] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/01/2012] [Revised: 08/23/2012] [Accepted: 08/31/2012] [Indexed: 01/09/2023]
Abstract
Carbonic anhydrase (CA) isozymes CA IV and CA XV are anchored on the extracellular cell surface via glycosylphosphatidylinositol (GPI) linkage. Analysis of evolution of these isozymes in vertebrates reveals an additional group of GPI-linked CAs, CA XVII, which has been lost in mammals. Our work resolves nomenclature issues in GPI-linked fish CAs. Review of expression data brings forth previously unreported tissue and cancer types in which human CA IV is expressed. Analysis of collective glycosylation patterns of GPI-linked CAs suggests functionally important regions on the protein surface.
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Affiliation(s)
- Martti E E Tolvanen
- Institute of Biomedical Technology, University of Tampere, Finland and BioMediTech, FI-33014 Tampere, Finland.
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Supuran CT. Carbonic anhydrase inhibitors and activators for novel therapeutic applications. Future Med Chem 2011; 3:1165-1180. [DOI: 10.4155/fmc.11.69] [Citation(s) in RCA: 232] [Impact Index Per Article: 17.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 08/30/2023] Open
Abstract
Carbonic anhydrases (CAs, Enzyme Commission number 4.2.1.1) catalyze a simple but fundamental reaction, CO2 hydration to yield bicarbonate and protons. CAs belonging to the α-, β-, γ-, δ- and ζ-families are found in many organisms all over the phylogenetic tree and their inhibition/activation have been studied in detail, leading to various therapeutic applications. Inhibition of mammalian α-CAs is exploited by some diuretics, whereas antiglaucoma, anticonvulsant, anti-obesity, altitude sickness and anti-tumor drugs/diagnostic agents target various of the 15 isoforms described so far in these organisms. Activation of some CAs may also have applications in therapy. Bacterial and fungal β-CA inhibitors or nematode α-CA inhibitors have been described that may lead to novel classes of anti-infectives.
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Affiliation(s)
- Claudiu T Supuran
- Università degli Studi di Firenze, Laboratorio di Chimica Bioinorganica, Room 188, Via della Lastruccia 3, I-50019 Sesto Fiorentino, Firenze, Italy
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Affiliation(s)
- Riccardo Surmont
- Department of Sustainable Organic Chemistry and Technology, Faculty of Bioscience Engineering, Ghent University, Coupure Links 653, B-9000 Gent, Belgium
| | - Guido Verniest
- Department of Sustainable Organic Chemistry and Technology, Faculty of Bioscience Engineering, Ghent University, Coupure Links 653, B-9000 Gent, Belgium
| | - Norbert De Kimpe
- Department of Sustainable Organic Chemistry and Technology, Faculty of Bioscience Engineering, Ghent University, Coupure Links 653, B-9000 Gent, Belgium
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Innocenti A, Durdagi S, Doostdar N, Amanda Strom T, Barron AR, Supuran CT. Nanoscale enzyme inhibitors: Fullerenes inhibit carbonic anhydrase by occluding the active site entrance. Bioorg Med Chem 2010; 18:2822-8. [DOI: 10.1016/j.bmc.2010.03.026] [Citation(s) in RCA: 59] [Impact Index Per Article: 4.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/02/2010] [Revised: 03/04/2010] [Accepted: 03/11/2010] [Indexed: 01/17/2023]
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The most recently discovered carbonic anhydrase, CA XV, is expressed in the thick ascending limb of Henle and in the collecting ducts of mouse kidney. PLoS One 2010; 5:e9624. [PMID: 20224780 PMCID: PMC2835753 DOI: 10.1371/journal.pone.0009624] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/15/2010] [Accepted: 02/19/2010] [Indexed: 11/30/2022] Open
Abstract
Background Carbonic anhydrases (CAs) are key enzymes for physiological pH regulation, including the process of urine acidification. Previous studies have identified seven cytosolic or membrane-bound CA isozymes in the kidney. Recently, we showed by in situ hybridization that the mRNA for the most novel CA isozyme, CA XV, is present in the renal cortex. CA XV is a unique isozyme among mammalian CAs, because it has become a pseudogene in primates even though expressed in several other species. Methodology/Principal Findings In the present study, we raised a polyclonal antibody against recombinant mouse CA XV that was produced in a baculovirus/insect cell expression system, and the antibody was used for immunohistochemical analysis in different mouse tissues. Positive immunoreactions were found only in the kidney, where the enzyme showed a very limited distribution pattern. Parallel immunostaining experiments with several other anti-CA sera indicated that CA XV is mainly expressed in the thick ascending limb of Henle and collecting ducts, and the reactions were most prominent in the cortex and outer medulla. Conclusion/Significance Although other studies have proposed a role for CA XV in cell proliferation, its tightly limited distribution may point to a specialized function in the regulation of acid-base homeostasis.
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Temperini C, Innocenti A, Scozzafava A, Parkkila S, Supuran CT. The coumarin-binding site in carbonic anhydrase accommodates structurally diverse inhibitors: the antiepileptic lacosamide as an example and lead molecule for novel classes of carbonic anhydrase inhibitors. J Med Chem 2010; 53:850-4. [PMID: 20028100 DOI: 10.1021/jm901524f] [Citation(s) in RCA: 98] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Abstract
Coumarins constitute a general and totally new class of inhibitors of the zinc enzyme carbonic anhydrase (CA, EC 4.2.1.1), binding at the entrance of the active site cavity. We report here that the coumarin-binding site in CAs may interact with diverse compounds, such as the antiepileptic drug lacosamide, which inhibits mammalian CAs I-XV, with inhibition constants in range of 331 nM to 4.56 microM. Its X-ray crystal structure in adduct with CA II reveals the molecular basis for this inhibition. Lacosamide was found in the coumarin-binding site, making favorable van der Waals interactions with Thr200, Asn67, Gln92, and Phe131. No interactions with the Zn(II) ion were evidenced in the CA II-lacosamide adduct. The coumarin-binding site may thus accommodate structurally diverse compounds which possess an inhibition mechanism distinct of that of sulfonamides. This finding opens new possibilities for designing CA inhibitors/activators with various biomedical applications.
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Affiliation(s)
- Claudia Temperini
- Università degli Studi di Firenze, Laboratorio di Chimica Bioinorganica, Rm. 188, Via della Lastruccia 3, I-50019 Sesto Fiorentino (Firenze), Italy
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Da Silva N, Pisitkun T, Belleannée C, Miller LR, Nelson R, Knepper MA, Brown D, Breton S. Proteomic analysis of V-ATPase-rich cells harvested from the kidney and epididymis by fluorescence-activated cell sorting. Am J Physiol Cell Physiol 2010; 298:C1326-42. [PMID: 20181927 DOI: 10.1152/ajpcell.00552.2009] [Citation(s) in RCA: 38] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/02/2023]
Abstract
Proton-transporting cells are located in several tissues where they acidify the extracellular environment. These cells express the vacuolar H(+)-ATPase (V-ATPase) B1 subunit (ATP6V1B1) in their plasma membrane. We provide here a comprehensive catalog of the proteins that are expressed in these cells, after their isolation by enzymatic digestion and fluorescence-activated cell sorting (FACS) from transgenic B1-enhanced green fluorescent protein (EGFP) mice. In these mice, type A and B intercalated cells and connecting segment cells of the kidney, and narrow and clear cells of the epididymis, which all express ATP6V1B1, also express EGFP, while all other cell types are negative. The proteome of renal and epididymal EGFP-positive (EGFP(+)) cells was identified by liquid chromatography-tandem mass spectrometry (LC-MS/MS) and compared with their respective EGFP-negative (EGFP(-)) cell populations. A total of 2,297 and 1,564 proteins were detected in EGFP(+) cells from the kidney and epididymis, respectively. Out of these proteins, 202 and 178 were enriched by a factor greater than 1.5 in EGFP(+) cells compared with EGFP(-) cells, in the kidney and epididymis respectively, and included subunits of the V-ATPase (B1, a4, and A). In addition, several proteins involved in intracellular trafficking, signaling, and cytoskeletal dynamics were identified. A novel common protein that was enriched in renal and epididymal EGFP(+) cells is the progesterone receptor, which might be a potential candidate for the regulation of V-ATPase-dependent proton transport. These proteomic databases provide a framework for comprehensive future analysis of the common and distinct functions of V-ATPase-B1-expressing cells in the kidney and epididymis.
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Baranauskienė L, Hilvo M, Matulienė J, Golovenko D, Manakova E, Dudutienė V, Michailovienė V, Torresan J, Jachno J, Parkkila S, Maresca A, Supuran CT, Gražulis S, Matulis D. Inhibition and binding studies of carbonic anhydrase isozymes I, II and IX with benzimidazo[1,2-c][1,2,3]thiadiazole-7-sulphonamides. J Enzyme Inhib Med Chem 2010; 25:863-70. [DOI: 10.3109/14756360903571685] [Citation(s) in RCA: 66] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/23/2023] Open
Affiliation(s)
- Lina Baranauskienė
- Laboratory of Biothermodynamics and Drug Design, Institute of Biotechnology, Graičiūno 8, Vilnius LT-02241, Lithuania
| | - Mika Hilvo
- Institute of Medical Technology, University of Tampere and Tampere University Hospital, FI-33014 Tampere, Finland
| | - Jurgita Matulienė
- Laboratory of Biothermodynamics and Drug Design, Institute of Biotechnology, Graičiūno 8, Vilnius LT-02241, Lithuania
| | - Dmitrij Golovenko
- Laboratory of Protein – DNA Interactions, Institute of Biotechnology, Graičiūno 8, Vilnius LT-02241, Lithuania
| | - Elena Manakova
- Laboratory of Protein – DNA Interactions, Institute of Biotechnology, Graičiūno 8, Vilnius LT-02241, Lithuania
| | - Virginija Dudutienė
- Laboratory of Biothermodynamics and Drug Design, Institute of Biotechnology, Graičiūno 8, Vilnius LT-02241, Lithuania
| | - Vilma Michailovienė
- Laboratory of Biothermodynamics and Drug Design, Institute of Biotechnology, Graičiūno 8, Vilnius LT-02241, Lithuania
| | - Jolanta Torresan
- Laboratory of Biothermodynamics and Drug Design, Institute of Biotechnology, Graičiūno 8, Vilnius LT-02241, Lithuania
| | - Jelena Jachno
- Laboratory of Biothermodynamics and Drug Design, Institute of Biotechnology, Graičiūno 8, Vilnius LT-02241, Lithuania
| | - Seppo Parkkila
- Institute of Medical Technology, University of Tampere and Tampere University Hospital, FI-33014 Tampere, Finland
- School of Medicine, University of Tampere and Tampere University Hospital, FI-33014 Tampere, Finland
| | - Alfonso Maresca
- Università degli Studi di Firenze, Polo Scientifico, Laboratorio di Chimica Bioinorganica, Room 188, Via della Lastruccia 3, 50019 Sesto Fiorentino (Florence), Italy
| | - Claudiu T. Supuran
- Università degli Studi di Firenze, Polo Scientifico, Laboratorio di Chimica Bioinorganica, Room 188, Via della Lastruccia 3, 50019 Sesto Fiorentino (Florence), Italy
| | - Saulius Gražulis
- Laboratory of Protein – DNA Interactions, Institute of Biotechnology, Graičiūno 8, Vilnius LT-02241, Lithuania
| | - Daumantas Matulis
- Laboratory of Biothermodynamics and Drug Design, Institute of Biotechnology, Graičiūno 8, Vilnius LT-02241, Lithuania
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Maresca A, Temperini C, Pochet L, Masereel B, Scozzafava A, Supuran CT. Deciphering the mechanism of carbonic anhydrase inhibition with coumarins and thiocoumarins. J Med Chem 2010; 53:335-44. [PMID: 19911821 DOI: 10.1021/jm901287j] [Citation(s) in RCA: 309] [Impact Index Per Article: 22.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/18/2022]
Abstract
Coumarin derivatives were recently shown to constitute a totally new class of inhibitors of the zinc metalloenzyme carbonic anhydrase (CA, EC 4.2.1.1), being hydrolyzed within the CA active site to 2-hydroxycinnamic acids. We explore here a new series of variously substituted coumarins and a thiocoumarin for their interaction with 13 mammalian CA isoforms, detecting low nanomolar and isoform selective inhibitors. The mechanism of action of this class of inhibitors is delineated in detail by resolving the X-ray crystal structure of CA II in complex with trans-2-hydroxy-cinnamic acid, the in situ hydrolysis product of simple coumarin. Thiocoumarins also act as efficient CAIs, similarly to coumarins. The versatility of the (thio)coumarin chemistry, the cis-trans isomerization evidenced here, and easy derivatization of the (thio)coumarin rings, coupled with the nanomolar inhibition range of several isozymes, afford isoform-selective CAIs with various biomedical applications, which render these classes of compounds superior to the clinically used sulfonamides.
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Affiliation(s)
- Alfonso Maresca
- Universita degli Studi di Firenze, Laboratorio di Chimica Bioinorganica, Rm. 188, Via della Lastruccia 3, I-50019 Sesto Fiorentino (Firenze), Italy
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Carbonic anhydrase activators. Activation of the membrane-associated isoform XV with amino acids and amines. Bioorg Med Chem Lett 2009; 19:3430-3. [PMID: 19464888 DOI: 10.1016/j.bmcl.2009.05.026] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/16/2009] [Revised: 05/07/2009] [Accepted: 05/08/2009] [Indexed: 10/20/2022]
Abstract
An activation study of the membrane-associated carbonic anhydrase (CA, EC 4.2.1.1) isoform XV with a series of natural and non-natural amino acids and aromatic/heterocyclic amines is reported. Murine CA XV was strongly activated by some amino acids (d-Phe, l-/d-DOPA, d-Trp, l-Tyr) and amines (dopamine, serotonin, l-adrenaline and 4-(2-aminoethyl)-morpholine) with activation constants in the range of 4.0-9.5muM. l-/d-His, l-Phe, histamine and several other heterocyclic amines showed less efficient activation (K(A)s in the range of 11.6-33.4muM). The activation profile of CA XV is quite different from that of the cytosolic isoforms CA I and II or the membrane-associated CA IV. All mammalian isoforms CA I-XV are thus characterized for their interaction with this set of amino acid and amine activators, some of which are biogenic amines or neurotransmitters present in sufficiently high amounts in various tissues for exerting significant biologic responses.
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Supuran CT. Carbonic anhydrases as drug targets. Curr Pharm Des 2008; 20:3467-74. [PMID: 18336304 DOI: 10.1016/j.bmcl.2010.05.009] [Citation(s) in RCA: 518] [Impact Index Per Article: 32.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/02/2010] [Revised: 05/03/2010] [Accepted: 05/05/2010] [Indexed: 12/20/2022]
Abstract
Carbonic anhydrases (CAs), the metalloenzymes that catalyze the conversion between carbon dioxide and bicarbonate, continue to be surprising targets, as many exciting new discoveries related to them emerge constantly. This is indeed unprecedented as these are quite "old" enzymes, which were discovered in 1933, and thoroughly investigated since then as drug targets. Furthermore, their inhibitors are in clinical use since the 50s. However, in the last years, a host of interesting reports were made regarding the catalytic/inhibition mechanism as well as isolation/characterization of new isozymes belonging to this family, as well as of CAs of non-vertebrate origin.
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