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Yapar G, Lolak N, Bonardi A, Akocak S, Supuran CT. Exploring the potency of diazo-coumarin containing hybrid molecules: Selective inhibition of tumor-associated carbonic anhydrase isoforms IX and XII. ChemMedChem 2024; 19:e202300626. [PMID: 38193633 DOI: 10.1002/cmdc.202300626] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/11/2023] [Revised: 12/23/2023] [Accepted: 01/08/2024] [Indexed: 01/10/2024]
Abstract
This study introduces a series of ten hybrid molecules DK(1-10), which combine diazo and coumarin moieties along with diverse aromatic substitutions. The primary objective was to evaluate the inhibitory capabilities of these compounds against four prominent isoforms: the cytosolic hCA I and II, as well as the tumor-associated membrane-bound hCA IX and XII. Impressively, the majority of the tested compounds exhibited significant inhibition activity against the tumor-associated isoforms hCA IX and XII, with KI values ranging from 29.2 to 293.3 nM. Notably, compound DK-8 displayed particularly robust inhibitory activity against the tumor-associated membrane-bound isoforms, hCA IX and XII, yielding KI values of 32.5 and 29.2 nM, respectively. Additionally, another derivative, DK-9, containing a primary sulfonamide, exhibited notable inhibition against hCA XII with a KI value of 36.4 nM. This investigation aimed to explore the structure-activity relationships within these compounds, shedding light on how various substitutions and structural components influence their inhibitory potential. As a result, these compounds present promising candidates for further exploration in medicinal and pharmacological research. Their ability to selectively inhibit specific isoforms, particularly those associated with hypoxic tumors, suggests their potential as foundational compounds for the development of novel therapeutic agents.
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Affiliation(s)
- Gönül Yapar
- Department of Chemistry, Faculty of Arts and Sciences, Istanbul Technical University, Istanbul, 34469, Türkiye
| | - Nebih Lolak
- Department of Pharmaceutical Chemistry, Faculty of Pharmacy, Adıyaman University, 02040, Adıyaman, Türkiye
| | - Alessandro Bonardi
- Università degli Studi di Firenze, NEUROFARBA Dept., Sezione di Scienze Farmaceutiche, Via Ugo Schiff 6, 50019, Sesto Fiorentino (Florence), Italy
| | - Suleyman Akocak
- Department of Pharmaceutical Chemistry, Faculty of Pharmacy, Adıyaman University, 02040, Adıyaman, Türkiye
| | - Claudiu T Supuran
- Università degli Studi di Firenze, NEUROFARBA Dept., Sezione di Scienze Farmaceutiche, Via Ugo Schiff 6, 50019, Sesto Fiorentino (Florence), Italy
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Lolak N, Akocak S, Petreni A, Budak Y, Bozgeyik E, Gurdere MB, Ceylan M, Supuran CT. 1,3-Diaryl Triazenes Incorporating Disulfonamides Show Both Antiproliferative Activity and Effective Inhibition of Tumor-associated Carbonic Anhydrases IX and XII. Anticancer Agents Med Chem 2024; 24:ACAMC-EPUB-138531. [PMID: 38362678 DOI: 10.2174/0118715206285326240207045249] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/09/2023] [Revised: 12/31/2023] [Accepted: 01/09/2024] [Indexed: 02/17/2024]
Abstract
AIM The aim of this study was to synthesize a library of novel di-sulfa drugs containing 1,3- diaryltriazene derivatives TS (1-13) by conjugation of diazonium salts of primary sulfonamides with sulfa drugs to investigate the cytotoxic effect of these new compounds in different cancer types and to determine their inhibitory activity against tumor-associated carbonic anhydrases IX and XII. MATERIALS AND METHODS A carbonic anhydrase inhibitory activity of the obtained compounds was evaluated against four selected human carbonic anhydrase isoforms (hCA I, hCA II, hCA IX and hCA XII) by a stoppedflow CO2 hydrase assay. In addition, in vitro, cytotoxicity studies were applied by using A549 (lung cancer), BEAS-2B (normal lung), MCF-7 (breast cancer), MDA-MB-231 (breast cancer), CRL-4010 (normal breast epithelium), HT-29 (colon cancer), and HCT -116 (colon cancer) cell lines. RESULTS As a result of the inhibition data, the 4-aminobenzenesulfonamide derivatives were more active than their 3-aminobenzenesulfonamide counterparts. More specifically, compounds TS-1 and TS-2, both of which have primary sulfonamides on both sides of the triazene linker, showed the best inhibitory activity against hCA IX with Ki values of 19.5 and 13.7 nM and also against hCA XII with Ki values of 6.6 and 8.3 nM, respectively. In addition, in vitro cytotoxic activity on the human breast cancer cell line MCF-7 showed that some derivatives of di-sulfa triazenes, such as TS-5 and TS-13, were more active than SLC-0111. CONCLUSION With the aim of developing more potent and isoform-selective CA inhibitors, these novel hybrid molecules containing sulfa drugs, triazene linkers, and the classical primary sulfonamide chemotype may be considered an interesting example of effective enzyme inhibitors and important anticancer agents.
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Affiliation(s)
- Nebih Lolak
- Department of Pharmaceutical Chemistry, Faculty of Pharmacy, Adıyaman University, 02040 Adıyaman, Türkiye
| | - Suleyman Akocak
- Department of Pharmaceutical Chemistry, Faculty of Pharmacy, Adıyaman University, 02040 Adıyaman, Türkiye
| | - Andrea Petreni
- Università Degli Studi di Firenze, NEUROFARBA Dept., Sezione di Scienze Farmaceutiche, Via Ugo Schiff 6, 50019 Sesto Fiorentino (Florence), Italy
| | - Yakup Budak
- Department of Chemistry, Faculty of Arts and Sciences, Gaziosmanpaşa University, 60250 Tokat, Türkiye
| | - Esra Bozgeyik
- Department of Medical Services and Techniques, Vocational School of Health Services, Adıyaman University, 02040 Adıyaman, Türkiye
| | - Meliha Burcu Gurdere
- Department of Chemistry, Faculty of Arts and Sciences, Gaziosmanpaşa University, 60250 Tokat, Türkiye
| | - Mustafa Ceylan
- Department of Chemistry, Faculty of Arts and Sciences, Gaziosmanpaşa University, 60250 Tokat, Türkiye
| | - Claudiu T Supuran
- Università Degli Studi di Firenze, NEUROFARBA Dept., Sezione di Scienze Farmaceutiche, Via Ugo Schiff 6, 50019 Sesto Fiorentino (Florence), Italy
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Durgun M, Akocak S, Lolak N, Topal F, Koçyiğit ÜM, Türkeş C, Işık M, Beydemir Ş. Design and Synthesis of Pyrazole Carboxamide Derivatives as Selective Cholinesterase and Carbonic Anhydrase Inhibitors: Molecular Docking and Biological Evaluation. Chem Biodivers 2024; 21:e202301824. [PMID: 38149720 DOI: 10.1002/cbdv.202301824] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/15/2023] [Revised: 12/20/2023] [Accepted: 12/24/2023] [Indexed: 12/28/2023]
Abstract
The present study focused on the synthesis and characterization of novel pyrazole carboxamide derivatives (SA1-12). The inhibitory effect of the compounds on cholinesterases (ChEs; AChE and BChE) and carbonic anhydrases (hCAs; hCA I and hCA II) isoenzymes were screened as in vitro. These series compounds have been identified as potential inhibitors with a KI values in the range of 10.69±1.27-70.87±8.11 nM for hCA I, 20.01±3.48-56.63±6.41 nM for hCA II, 6.60±0.62-14.15±1.09 nM for acetylcholinesterase (AChE) and 54.87±7.76-137.20 ±9.61 nM for butyrylcholinesterase (BChE). These compounds have a more effective inhibition effect when compared to the reference compounds. In addition, the potential binding positions of the compounds with high affinity for ChE and hCAs were demonstrated by in silico methods. The results of in silico and in vitro studies support each other. As a result of the present study, the compounds with high inhibitory activity for metabolic enzymes, such as ChE and hCA were designed. The compounds may be potential alternative agents used as selective ChE and hCA inhibitors in the treatment of Alzheimer's disease and glaucoma.
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Affiliation(s)
- Mustafa Durgun
- Department of Chemistry, Faculty of Arts and Sciences, Harran University, 63290, Şanlıurfa, Turkey
| | - Suleyman Akocak
- Department of Pharmaceutical Chemistry, Faculty of Pharmacy, Adıyaman University, 02040, Adıyaman, Turkey
| | - Nebih Lolak
- Department of Pharmaceutical Chemistry, Faculty of Pharmacy, Adıyaman University, 02040, Adıyaman, Turkey
| | - Fevzi Topal
- Department of Food Engineering, Faculty of Engineering and Natural Sciences, Gümüşhane University, 29100, Gümüşhane, Turkey
- Department of Chemical and Chemical Processing Technologies, Gümüşhane Vocational School, Gümüşhane University, 29100, Gümüşhane, Turkey
| | - Ümit Muhammet Koçyiğit
- Department of Biochemistry, Faculty of Pharmacy, Sivas Cumhuriyet University, 58140, Sivas, Turkey
| | - Cüneyt Türkeş
- Department of Biochemistry, Faculty of Pharmacy, Erzincan Binali Yıldırım University, 24002, Erzincan, Turkey
| | - Mesut Işık
- Department of Bioengineering, Faculty of Engineering, Bilecik Şeyh Edebali University, 11230, Bilecik, Turkey
| | - Şükrü Beydemir
- Department of Biochemistry, Faculty of Pharmacy, Anadolu University, 26470, Eskişehir, Turkey
- Bilecik Şeyh Edebali University, 11230, Bilecik, Turkey
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Tekeli T, Akocak S, Petreni A, Lolak N, Çete S, Supuran CT. Potent carbonic anhydrase I, II, IX and XII inhibition activity of novel primary benzenesulfonamides incorporating bis-ureido moieties. J Enzyme Inhib Med Chem 2023; 38:2185762. [PMID: 36880350 PMCID: PMC9987750 DOI: 10.1080/14756366.2023.2185762] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 03/06/2023] Open
Abstract
A novel series of twelve aromatic bis-ureido-substituted benzenesulfonamides was synthesised by conjugation of aromatic aminobenzenesulfonamides with aromatic bis-isocyanates. The obtained bis-ureido-substituted derivatives were tested against four selected human carbonic anhydrase isoforms (hCA I, hCA II, hCA IX and hCA XII). Most of the new compounds showed an effective inhibitory profile against isoforms hCA IX and hCA XII, also having some selectivity with respect to hCA I and hCA II. The inhibition constants of these compounds against isoforms hCA IX and XII were in the range of 6.73-835 and 5.02-429 nM, respectively. Since hCA IX and hCA XII are important drug targets for anti-cancer/anti-metastatic drugs, these effective inhibitors reported here may be considered of interest for cancer related studies in which these enzymes are involved.
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Affiliation(s)
- Tuba Tekeli
- Vocational School of Technical Science, Department of Chemistry and Chemical Processing Technologies, Adıyaman University, Adıyaman, Türkiye.,Department of Chemistry, Faculty of Science, Gazi University, Ankara, Türkiye
| | - Suleyman Akocak
- Department of Pharmaceutical Chemistry, Faculty of Pharmacy, Adıyaman University, Adıyaman, Türkiye
| | - Andrea Petreni
- NEUROFARBA Dept., Sezione di Scienze Farmaceutiche, Università degli Studi di Firenze, Sesto Fiorentino (Florence), Italy
| | - Nebih Lolak
- Department of Pharmaceutical Chemistry, Faculty of Pharmacy, Adıyaman University, Adıyaman, Türkiye
| | - Servet Çete
- Department of Chemistry, Faculty of Science, Gazi University, Ankara, Türkiye
| | - Claudiu T Supuran
- NEUROFARBA Dept., Sezione di Scienze Farmaceutiche, Università degli Studi di Firenze, Sesto Fiorentino (Florence), Italy
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Akocak S, Lolak N, Giovannuzzi S, Supuran CT. Potent and selective carbonic anhydrase inhibition activities of pyrazolones bearing benzenesulfonamides. Bioorg Med Chem Lett 2023; 95:129479. [PMID: 37704010 DOI: 10.1016/j.bmcl.2023.129479] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/17/2023] [Revised: 09/07/2023] [Accepted: 09/10/2023] [Indexed: 09/15/2023]
Abstract
This research introduces a series of fourteen 4-aryl-hydrazonopyrazolone sulfonamide derivatives, denoted as 3(a-g) and 4(a-g), which encompass various aromatic substitutions. The aim was to assess the inhibitory potential of these compounds against four significant isoforms, including the cytosolic isoforms hCA I and II, as well as the tumor-associated membrane-bound isoforms hCA IX and XII. Most of the tested compounds exhibited substantial inhibition against the tumor-associated isoform hCA IX, with Ki values spanning from 1.1 to 158.2 nM. Notably, compounds 3e and 3g showed particularly strong inhibitory activity against the tumor-associated membrane-bound isoforms, hCA IX and XII, while maintaining a high selectivity ratio over cytosolic off-target isoforms hCA I and II. This selectivity is vital due to the potential of hCA IX and hCA XII as drug targets for hypoxic tumors. In an effort to create novel analogs that exhibit enhanced carbonic anhydrase inhibitory activity and specificity, we investigated the structure-activity relationships of these compounds and provided a concise interpretation of our findings. Consequently, these compounds merit consideration for subsequent medicinal and pharmacological research, holding potential for developing novel therapeutic agents targeting specific isoforms in hypoxic tumors.
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Affiliation(s)
- Suleyman Akocak
- Department of Pharmaceutical Chemistry, Faculty of Pharmacy, Adıyaman University, 02040 Adıyaman, Turkey.
| | - Nebih Lolak
- Department of Pharmaceutical Chemistry, Faculty of Pharmacy, Adıyaman University, 02040 Adıyaman, Turkey
| | - Simone Giovannuzzi
- Università degli Studi di Firenze, Dipartimento Neurofarba, Sezione di Scienze Farmaceutiche e Nutraceutiche, Via U. Schiff 6, 50019 Sesto Fiorentino (Florence), Italy
| | - Claudiu T Supuran
- Università degli Studi di Firenze, Dipartimento Neurofarba, Sezione di Scienze Farmaceutiche e Nutraceutiche, Via U. Schiff 6, 50019 Sesto Fiorentino (Florence), Italy.
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Akocak S, Lolak N, Duran HE, Işık M, Türkeş C, Durgun M, Beydemir Ş. Synthesis and Characterization of Novel 1,3-Diaryltriazene-Substituted Sulfaguanidine Derivatives as Selective Carbonic Anhydrase Inhibitors: Biological Evaluation, in Silico ADME/T and Molecular Docking Study. Chem Biodivers 2023; 20:e202300611. [PMID: 37470688 DOI: 10.1002/cbdv.202300611] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/29/2023] [Revised: 07/07/2023] [Accepted: 07/20/2023] [Indexed: 07/21/2023]
Abstract
Sulfonamide compounds known as human carbonic anhydrase (hCA) inhibitors are used in the treatment of many diseases such as epilepsy, antibacterial, glaucoma, various diseases. 1,3-diaryl-substituted triazenes and sulfaguanidine are used for therapeutic purposes in many drug structures. Based on these two groups, the synthesis of new compounds is important. In the present study, the novel 1,3-diaryltriazene-substituted sulfaguanidine derivatives (SG1-13) were synthesized and fully characterized by spectroscopic and analytic methods. Inhibitory effect of these compounds on the hCA I and hCA II was screened as in vitro. All the series of synthesized compounds have been identified as potential hCA isoenzymes inhibitory with KI values in the range of 6.44±0.74-86.85±7.01 nM for hCA I and with KI values in the range of 8.16±0.40-77.29±9.56 nM for hCA II. Moreover, the new series of compounds showed a more effective inhibition effect than the acetazolamide used as a reference. The possible binding positions of the compounds with a binding affinity to the hCA I and hCA II was demonstrated by in silico studies. In conclusion, compounds with varying degrees of affinity for hCA isoenzymes have been designed and as selective hCA inhibitors. These compounds may be potential alternative agents that can be used to treat or prevent diseases associated with glaucoma and hCA inhibition.
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Affiliation(s)
- Suleyman Akocak
- Department of Pharmaceutical Chemistry, Faculty of Pharmacy, Adıyaman University, Adıyaman, 02040, Turkey
| | - Nebih Lolak
- Department of Pharmaceutical Chemistry, Faculty of Pharmacy, Adıyaman University, Adıyaman, 02040, Turkey
| | - Hatice Esra Duran
- Department of Medical Biochemistry, Faculty of Medicine, Kafkas University, Kars, 36100, Turkey
| | - Mesut Işık
- Department of Bioengineering, Faculty of Engineering, Bilecik Şeyh Edebali University, Bilecik, 11230, Turkey
| | - Cüneyt Türkeş
- Department of Biochemistry, Faculty of Pharmacy, Erzincan Binali Yıldırım University, Erzincan, 24002, Turkey
| | - Mustafa Durgun
- Department of Chemistry, Faculty of Arts and Sciences, Harran University, Şanlıurfa, 63290, Turkey
| | - Şükrü Beydemir
- Department of Biochemistry, Faculty of Pharmacy, Anadolu University, Eskişehir, 26470, Turkey
- Bilecik Şeyh Edebali University, Bilecik, 11230, Turkey
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Lolak N, Boga M, Sonmez GD, Tuneg M, Dogan A, Akocak S. In Silico Studies and DNA Cleavage, Antioxidant, Acetylcholinesterase, and Butyrylcholinesterase Activity Evaluation of Bis-Histamine Schiff Bases and Bis-Spinaceamine Substituted Derivatives. Pharm Chem J 2022. [DOI: 10.1007/s11094-022-02581-7] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/18/2022]
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Yapar G, Esra Duran H, Lolak N, Akocak S, Türkeş C, Durgun M, Işık M, Beydemir Ş. Biological effects of bis-hydrazone compounds bearing isovanillin moiety on the aldose reductase. Bioorg Chem 2021; 117:105473. [PMID: 34768205 DOI: 10.1016/j.bioorg.2021.105473] [Citation(s) in RCA: 31] [Impact Index Per Article: 10.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/25/2021] [Revised: 09/02/2021] [Accepted: 11/03/2021] [Indexed: 01/17/2023]
Abstract
Aldose reductase (ALR2), one of the metabolically important enzymes, catalyzes the formation of sorbitol from glucose in the polyol pathway. ALR2 inhibition is required to prevent diabetic complications. In the present study, the novel bis-hydrazone compounds bearing isovanillin moiety (GY1-12) were synthesized, and various chromatographic methods were applied to purify the ALR2 enzyme. Afterward, the inhibitory effect of the synthesized compounds on the ALR2 was screened in vitro. All the novel bis-hydrazones demonstrated activity in nanomolar levels as AR inhibitors with IC50 and KI values in the range of 12.55-35.04 nM, and 13.38-88.21 nM, respectively. Compounds GY-11, GY-7, and GY-5 against ALR2 were identified as the highly potent inhibitors, respectively, and were superior to the standard drug, epalrestat. Moreover, a comprehensive ligand-receptor interactions prediction was performed using ADME-Tox, Glide XP, and MM-GBSA modules of Schrödinger Small-Molecule Drug Discovery Suite to elucidate the novel bis-hydrazone derivatives, potential binding modes versus the ALR2. As a result, these compounds with ALR2 inhibitory effects may be potential alternative agents that can be used to treat or prevent diabetic complications.
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Affiliation(s)
- Gönül Yapar
- Department of Chemistry, Faculty of Arts and Sciences, İstanbul Technical University, İstanbul 34469, Turkey.
| | - Hatice Esra Duran
- Department of Medical Biochemistry, Faculty of Medicine, Kafkas University, Kars 36100, Turkey
| | - Nebih Lolak
- Department of Pharmaceutical Chemistry, Faculty of Pharmacy, Adıyaman University, Adıyaman 02040, Turkey
| | - Suleyman Akocak
- Department of Pharmaceutical Chemistry, Faculty of Pharmacy, Adıyaman University, Adıyaman 02040, Turkey.
| | - Cüneyt Türkeş
- Department of Biochemistry, Faculty of Pharmacy, Erzincan Binali Yıldırım University, Erzincan 24100, Turkey
| | - Mustafa Durgun
- Department of Chemistry, Faculty of Arts and Sciences, Harran University, Şanlıurfa 63290, Turkey
| | - Mesut Işık
- Department of Bioengineering, Faculty of Engineering, Bilecik Şeyh Edebali University, Bilecik 11230, Turkey.
| | - Şükrü Beydemir
- Department of Biochemistry, Faculty of Pharmacy, Anadolu University, Eskişehir 26470, Turkey; The Rectorate of Bilecik Şeyh Edebali University, Bilecik 11230, Turkey
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9
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Türkeş C, Akocak S, Işık M, Lolak N, Taslimi P, Durgun M, Gülçin İ, Budak Y, Beydemir Ş. Novel inhibitors with sulfamethazine backbone: synthesis and biological study of multi-target cholinesterases and α-glucosidase inhibitors. J Biomol Struct Dyn 2021; 40:8752-8764. [PMID: 33950796 DOI: 10.1080/07391102.2021.1916599] [Citation(s) in RCA: 39] [Impact Index Per Article: 13.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
Abstract
The underlying cause of many metabolic diseases is abnormal changes in enzyme activity in metabolism. Inhibition of metabolic enzymes such as cholinesterases (ChEs; acetylcholinesterase, AChE and butyrylcholinesterase, BChE) and α-glucosidase (α-GLY) is one of the accepted approaches in the treatment of Alzheimer's disease (AD) and diabetes mellitus (DM). Here we reported an investigation of a new series of novel ureido-substituted derivatives with sulfamethazine backbone (2a-f) for the inhibition of AChE, BChE, and α-GLY. All the derivatives demonstrated activity in nanomolar levels as AChE, BChE, and α-GLY inhibitors with KI values in the range of 56.07-204.95 nM, 38.05-147.04 nM, and 12.80-79.22 nM, respectively. Among the many strong N-(4,6-dimethylpyrimidin-2-yl)-4-(3-substitutedphenylureido) benzenesulfonamide derivatives (2a-f) detected against ChEs, compound 2c, the 4-fluorophenylureido derivative, demonstrated the most potent inhibition profile towards AChE and BChE. A comprehensive ligand/receptor interaction prediction was performed in silico for the three metabolic enzymes providing molecular docking investigation using Glide XP, MM-GBSA, and ADME-Tox modules. The present research reinforces the rationale behind utilizing inhibitors with sulfamethazine backbone as innovative anticholinergic and antidiabetic agents with a new mechanism of action, submitting propositions for the rational design and synthesis of novel strong inhibitors targeting ChEs and α-GLY.Communicated by Ramaswamy H. Sarma.
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Affiliation(s)
- Cüneyt Türkeş
- Department of Biochemistry, Faculty of Pharmacy, Erzincan Binali Yıldırım University, Erzincan, Turkey
| | - Suleyman Akocak
- Department of Pharmaceutical Chemistry, Faculty of Pharmacy, Adıyaman University, Adıyaman, Turkey
| | - Mesut Işık
- Department of Bioengineering, Faculty of Engineering, Bilecik Şeyh Edebali University, Bilecik, Turkey
| | - Nebih Lolak
- Department of Pharmaceutical Chemistry, Faculty of Pharmacy, Adıyaman University, Adıyaman, Turkey
| | - Parham Taslimi
- Department of Biotechnology, Faculty of Science, Bartın University, Bartın, Turkey
| | - Mustafa Durgun
- Department of Chemistry, Faculty of Arts and Sciences, Harran University, Şanlıurfa, Turkey
| | - İlhami Gülçin
- Department of Chemistry, Faculty of Sciences, Atatürk University, Erzurum, Turkey
| | - Yakup Budak
- Department of Chemistry, Faculty of Arts and Sciences, Gaziosmanpaşa University, Tokat, Turkey
| | - Şükrü Beydemir
- Department of Biochemistry, Faculty of Pharmacy, Anadolu University, Eskişehir, Turkey.,The Rectorate of Bilecik Şeyh Edebali University, Bilecik, Turkey
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Akocak S, Taslimi P, Lolak N, Işık M, Durgun M, Budak Y, Türkeş C, Gülçin İ, Beydemir Ş. Synthesis, Characterization, and Inhibition Study of Novel Substituted Phenylureido Sulfaguanidine Derivatives as α‐Glycosidase and Cholinesterase Inhibitors. Chem Biodivers 2021; 18:e2000958. [DOI: 10.1002/cbdv.202000958] [Citation(s) in RCA: 30] [Impact Index Per Article: 10.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/24/2020] [Accepted: 02/22/2021] [Indexed: 12/19/2022]
Affiliation(s)
- Suleyman Akocak
- Department of Pharmaceutical Chemistry Faculty of Pharmacy Adıyaman University Adıyaman 02040 Turkey
| | - Parham Taslimi
- Department of Biotechnology Faculty of Science Bartın University Bartın 74100 Turkey
| | - Nebih Lolak
- Department of Pharmaceutical Chemistry Faculty of Pharmacy Adıyaman University Adıyaman 02040 Turkey
| | - Mesut Işık
- Department of Bioengineering Faculty of Engineering Bilecik Şeyh Edebali University Bilecik 11230 Turkey
| | - Mustafa Durgun
- Department of Chemistry Faculty of Arts and Sciences Harran University Şanlıurfa 63290 Turkey
| | - Yakup Budak
- Department of Chemistry Faculty of Arts and Sciences Gaziosmanpaşa University Tokat 60250 Turkey
| | - Cüneyt Türkeş
- Department of Biochemistry Faculty of Pharmacy Erzincan Binali Yıldırım University Erzincan 24100 Turkey
| | - İlhami Gülçin
- Department of Chemistry Faculty of Sciences Atatürk University Erzurum 25240 Turkey
| | - Şükrü Beydemir
- Department of Biochemistry Faculty of Pharmacy Anadolu University Eskişehir 26470 Turkey
- The Rectorate of Bilecik Şeyh Edebali University Bilecik 11230 Turkey
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Durgun M, Türkeş C, Işık M, Demir Y, Saklı A, Kuru A, Güzel A, Beydemir Ş, Akocak S, Osman SM, AlOthman Z, Supuran CT. Synthesis, characterisation, biological evaluation and in silico studies of sulphonamide Schiff bases. J Enzyme Inhib Med Chem 2020; 35:950-962. [PMID: 32249705 PMCID: PMC7170330 DOI: 10.1080/14756366.2020.1746784] [Citation(s) in RCA: 38] [Impact Index Per Article: 9.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/22/2022] Open
Abstract
Sulphonamides are biologically important compounds with low toxicity, many bioactivities and cost-effectiveness. Eight sulphonamide derivatives were synthesised and characterised by FT-IR, 13C NMR, 1H NMR, LC-MS and elemental analysis. Their inhibitory effect on AChE, and carbonic anhydrase I and II enzyme activities was investigated. Their antioxidant activity was determined using different bioanalytical assays such as radical scavenging tests with ABTS•+, and DPPH•+ as well as metal-reducing abilities with CUPRAC, and FRAP assays. All compounds showed satisfactory enzyme inhibitory potency in nanomolar concentrations against AChE and CA isoforms with KI values ranging from 10.14 ± 0.03 to 100.58 ± 1.90 nM. Amine group containing derivatives showed high metal reduction activity and about 70% ABTS radical scavenging activity. Due to their antioxidant activity and AChE inhibition, these novel compounds may be considered as leads for investigations in neurodegenerative diseases.
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Affiliation(s)
- Mustafa Durgun
- Department of Chemistry, Faculty of Arts and Sciences, Harran University, Şanlıurfa, Turkey
| | - Cüneyt Türkeş
- Department of Biochemistry, Faculty of Pharmacy, Erzincan Binali Yıldırım University, Erzincan, Turkey
| | - Mesut Işık
- Department of Pharmacy Services, Vocational School of Health Services, Harran University, Şanlıurfa, Turkey
| | - Yeliz Demir
- Department of Pharmacy Services, Nihat Delibalta Göle Vocational High School, Ardahan University, Ardahan, Turkey
| | - Ali Saklı
- Department of Chemistry, Faculty of Arts and Sciences, Harran University, Şanlıurfa, Turkey
| | - Ali Kuru
- Department of Chemistry, Faculty of Arts and Sciences, Harran University, Şanlıurfa, Turkey.,Department of Chemistry, Faculty of Arts and Sciences, Sakarya University, Sakarya, Turkey
| | - Abdussamat Güzel
- Department of Pharmacy Services, Vocational School of Health Services, İnönü University, Malatya, Turkey
| | - Şükrü Beydemir
- Department of Biochemistry, Faculty of Pharmacy, Anadolu University, Eskişehir, Turkey
| | - Suleyman Akocak
- Department of Pharmaceutical Chemistry, Faculty of Pharmacy, Adiyaman University, Adiyaman, Turkey
| | - Sameh M Osman
- Department of Chemistry, King Saud University, Riyadh, Kingdom of Saudi Arabia
| | - Zeid AlOthman
- Department of Chemistry, King Saud University, Riyadh, Kingdom of Saudi Arabia
| | - Claudiu T Supuran
- NEUROFARBA Department, Sezione di Scienze Farmaceutiche, Universita degli Studi di Firenze, Florence, Italy
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12
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Lolak N, Tuneğ M, Doğan A, Boğa M, Akocak S. Synthesis and biological evaluation of 1,3,5-triazine-substituted ureido benzenesulfonamides as antioxidant, acetylcholinesterase and butyrylcholinesterase inhibitors. ACTA ACUST UNITED AC 2020. [DOI: 10.25135/acg.bmcr.22.20.07.1706] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
Abstract
A series of twenty 1,3,5-triazine-substituted ureido benzenesulfonamides 2 (a-e) and 3 (a-o) were re-synthesized and assayed for antioxidant properties by using several different methods including 1,1-diphenyl-2-picryl hydrazyl (DPPH) free radical scavenging assay, 2,2′-azino-bis-(3-ethylbenzothiazoline-6-sulfonic acid) (ABTS) cation radical decolarization assay, metal chelating and cupric reducing antioxidant capacity (CUPRAC) methods. The inhibitory effects of compounds on acetylcholinesterase (AChE) and butyrylcholinesterase (BChE) enzymes have been also demonstrated. All compounds showed a greater antioxidant capacity against ABTS assay by having a more potent activity than the standards BHT, BHA and α-TOC. In general, all compounds were non susceptible to against AChE enzyme. On the other hand, several lead compounds were obtained from the current series against BChE enzyme. More specifically, compound 3m showed great inhibition profile against BChE with % inhibition value of 93.77, which is better than the standard drug galantamine (% inhibition value of 87.86).
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13
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Oguz M, Kalay E, Akocak S, Nocentini A, Lolak N, Boga M, Yilmaz M, Supuran CT. Synthesis of calix[4]azacrown substituted sulphonamides with antioxidant, acetylcholinesterase, butyrylcholinesterase, tyrosinase and carbonic anhydrase inhibitory action. J Enzyme Inhib Med Chem 2020; 35:1215-1223. [PMID: 32401067 PMCID: PMC7269057 DOI: 10.1080/14756366.2020.1765166] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/02/2020] [Revised: 04/29/2020] [Accepted: 04/30/2020] [Indexed: 02/07/2023] Open
Abstract
A series of novel calix[4]azacrown substituted sulphonamide Schiff bases was synthesised by the reaction of calix[4]azacrown aldehydes with different substituted primary and secondary sulphonamides. The obtained novel compounds were investigated as inhibitors of six human (h) isoforms of carbonic anhydrases (CA, EC 4.2.1.1). Their antioxidant profile was assayed by various bioanalytical methods. The calix[4]azacrown substituted sulphonamide Schiff bases were also investigated as inhibitors of acetylcholinesterase (AChE), butyrylcholinesterase (BChE) and tyrosinase enzymes, associated with several diseases such as Alzheimer, Parkinson, and pigmentation disorders. The new sulphonamides showed low to moderate inhibition against hCAs, AChE, BChE, and tyrosinase enzymes. However, some of them possessed relevant antioxidant activity, comparable with standard antioxidants used in the study.
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Affiliation(s)
- Mehmet Oguz
- Department of Chemistry, University of Selcuk, Konya, Turkey
- Department of Advanced Material and Nanotechnology, Selcuk University, Konya, Turkey
| | - Erbay Kalay
- Kars Vocational School, Kafkas University, Kars, Turkey
| | - Suleyman Akocak
- Department of Pharmaceutical Chemistry, Faculty of Pharmacy, Adiyaman University, Adiyaman, Turkey
| | - Alessio Nocentini
- NEUROFARBA Department, Sezione di Scienze Farmaceutiche, Università degli Studi di Firenze, Florence, Italy
| | - Nebih Lolak
- Department of Pharmaceutical Chemistry, Faculty of Pharmacy, Adiyaman University, Adiyaman, Turkey
| | - Mehmet Boga
- Department of Analytical Chemistry, Faculty of Pharmacy, Dicle University, Diyarbakir, Turkey
| | - Mustafa Yilmaz
- Department of Chemistry, University of Selcuk, Konya, Turkey
| | - Claudiu T. Supuran
- NEUROFARBA Department, Sezione di Scienze Farmaceutiche, Università degli Studi di Firenze, Florence, Italy
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14
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Andring JT, Fouch M, Akocak S, Angeli A, Supuran CT, Ilies MA, McKenna R. Structural Basis of Nanomolar Inhibition of Tumor-Associated Carbonic Anhydrase IX: X-Ray Crystallographic and Inhibition Study of Lipophilic Inhibitors with Acetazolamide Backbone. J Med Chem 2020; 63:13064-13075. [PMID: 33085484 DOI: 10.1021/acs.jmedchem.0c01390] [Citation(s) in RCA: 23] [Impact Index Per Article: 5.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/23/2022]
Abstract
This study provides a structure-activity relationship study of a series of lipophilic carbonic anhydrase (CA) inhibitors with an acetazolamide backbone. The inhibitors were tested against the tumor-expressed CA isozyme IX (CA IX), and the cytosolic CA I, CA II, and membrane-bound CA IV. The study identified several low nanomolar potent inhibitors against CA IX, with lipophilicities spanning two log units. Very potent pan-inhibitors with nanomolar potency against CA IX and sub-nanomolar potency against CA II and CA IV, and with potency against CA I one order of magnitude better than the parent acetazolamide 1 were also identified in this study, together with compounds that displayed selectivity against membrane-bound CA IV. A comprehensive X-ray crystallographic study (12 crystal structures), involving both CA II and a soluble CA IX mimetic (CA IX-mimic), revealed the structural basis of this particular inhibition profile and laid the foundation for further developments toward more potent and selective inhibitors for the tumor-expressed CA IX.
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Affiliation(s)
- Jacob T Andring
- Department of Biochemistry and Molecular Biology, College of Medicine, University of Florida, Gainesville, Florida 32610, United States
| | - Mallorie Fouch
- Department of Pharmaceutical Sciences and Moulder Center for Drug Discovery Research, Temple University School of Pharmacy, 3307 N Broad Street, Philadelphia, Pennsylvania 19140, United States
| | - Suleyman Akocak
- Department of Pharmaceutical Sciences and Moulder Center for Drug Discovery Research, Temple University School of Pharmacy, 3307 N Broad Street, Philadelphia, Pennsylvania 19140, United States
| | - Andrea Angeli
- NEUROFARBA Department, Pharmaceutical Sciences Section, Universita degli Studi di Firenze, Polo Scientifico, Via Ugo Schiff no. 6, 50019 Sesto Fiorentino, Florence, Italy
| | - Claudiu T Supuran
- NEUROFARBA Department, Pharmaceutical Sciences Section, Universita degli Studi di Firenze, Polo Scientifico, Via Ugo Schiff no. 6, 50019 Sesto Fiorentino, Florence, Italy
| | - Marc A Ilies
- Department of Pharmaceutical Sciences and Moulder Center for Drug Discovery Research, Temple University School of Pharmacy, 3307 N Broad Street, Philadelphia, Pennsylvania 19140, United States
| | - Robert McKenna
- Department of Biochemistry and Molecular Biology, College of Medicine, University of Florida, Gainesville, Florida 32610, United States
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15
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Akocak S, Güzel-Akdemir Ö, Kishore Kumar Sanku R, Russom SS, Iorga BI, Supuran CT, Ilies MA. Pyridinium derivatives of 3-aminobenzenesulfonamide are nanomolar-potent inhibitors of tumor-expressed carbonic anhydrase isozymes CA IX and CA XII. Bioorg Chem 2020; 103:104204. [PMID: 32891000 DOI: 10.1016/j.bioorg.2020.104204] [Citation(s) in RCA: 22] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/25/2020] [Revised: 08/16/2020] [Accepted: 08/17/2020] [Indexed: 12/26/2022]
Abstract
Building on the conclusions of previous inhibition studies with pyridinium-benzenesulfonamides from our team and on the X-ray crystal structure of the lead compound identified, a series of 24 pyridinium derivatives of 3-aminobenzenesulfonamide was synthesized and investigated for carbonic anhydrase inhibition. The new pyridinium-sulfonamides were evaluated as inhibitors of four human carbonic anhydrase (CA, EC 4.2.1.1) isoforms, namely CA I, CA II (cytosolic), CA IX and XII (transmembrane, tumor-associated forms). Excellent inhibitory activity in the nanomolar range was observed against CA IX with most of these sulfonamides, and against CA XII (nanomolar/sub-nanomolar) with some of the new compounds. These sulfonamides were generally potent inhibitors of CA II and CA I too. Docking studies revealed a preference of these compounds to bind the P1 hydrophobic site of CAs, supporting the observed inhibition profile. The salt-like nature of these positively charged sulfonamides can further focus the inhibitory ability on membrane-bound CA IX and CA XII and could efficiently decrease the viability of three human carcinomas under hypoxic conditions where these isozymes are over-expressed, thus recommending the new compounds as potential diagnostic tools or therapeutic agents.
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Affiliation(s)
- Suleyman Akocak
- Department of Pharmaceutical Sciences and Moulder Center for Drug Discovery Research, Temple University School of Pharmacy, 3307 N Broad Street, Philadelphia PA-19140, United States
| | - Özlen Güzel-Akdemir
- NEUROFARBA Department, Università degli Studi di Firenze, Polo Scientifico, Via della Lastruccia 3, 50019 Sesto Fiorentino (Florence), Italy; Istanbul University, Faculty of Pharmacy, Department of Pharmaceutical Chemistry, 34116 Beyazıt, Istanbul, Turkey
| | - Rajesh Kishore Kumar Sanku
- Department of Pharmaceutical Sciences and Moulder Center for Drug Discovery Research, Temple University School of Pharmacy, 3307 N Broad Street, Philadelphia PA-19140, United States
| | - Samson S Russom
- Department of Pharmaceutical Sciences and Moulder Center for Drug Discovery Research, Temple University School of Pharmacy, 3307 N Broad Street, Philadelphia PA-19140, United States
| | - Bogdan I Iorga
- Université Paris-Saclay, CNRS, Institut de Chimie des Substances Naturelles (ICSN), 1 Avenue de la Terrasse, 91198 Gif-sur-Yvette, France
| | - Claudiu T Supuran
- NEUROFARBA Department, Università degli Studi di Firenze, Polo Scientifico, Via della Lastruccia 3, 50019 Sesto Fiorentino (Florence), Italy.
| | - Marc A Ilies
- Department of Pharmaceutical Sciences and Moulder Center for Drug Discovery Research, Temple University School of Pharmacy, 3307 N Broad Street, Philadelphia PA-19140, United States.
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16
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Durgun M, Türkeş C, Işık M, Demir Y, Saklı A, Kuru A, Güzel A, Beydemir Ş, Akocak S, Osman SM, AlOthman Z, Supuran CT. Synthesis, characterisation, biological evaluation and in silico studies of sulphonamide Schiff bases. J Enzyme Inhib Med Chem 2020. [DOI: 10.1080/14756366.2020.1746784 pmid: 32249705] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 09/30/2022] Open
Affiliation(s)
- Mustafa Durgun
- Department of Chemistry, Faculty of Arts and Sciences, Harran University, Şanlıurfa, Turkey
| | - Cüneyt Türkeş
- Department of Biochemistry, Faculty of Pharmacy, Erzincan Binali Yıldırım University, Erzincan, Turkey
| | - Mesut Işık
- Department of Pharmacy Services, Vocational School of Health Services, Harran University, Şanlıurfa, Turkey
| | - Yeliz Demir
- Department of Pharmacy Services, Nihat Delibalta Göle Vocational High School, Ardahan University, Ardahan, Turkey
| | - Ali Saklı
- Department of Chemistry, Faculty of Arts and Sciences, Harran University, Şanlıurfa, Turkey
| | - Ali Kuru
- Department of Chemistry, Faculty of Arts and Sciences, Harran University, Şanlıurfa, Turkey
- Department of Chemistry, Faculty of Arts and Sciences, Sakarya University, Sakarya, Turkey
| | - Abdussamat Güzel
- Department of Pharmacy Services, Vocational School of Health Services, İnönü University, Malatya, Turkey
| | - Şükrü Beydemir
- Department of Biochemistry, Faculty of Pharmacy, Anadolu University, Eskişehir, Turkey
| | - Suleyman Akocak
- Department of Pharmaceutical Chemistry, Faculty of Pharmacy, Adiyaman University, Adiyaman, Turkey
| | - Sameh M. Osman
- Department of Chemistry, King Saud University, Riyadh, Kingdom of Saudi Arabia
| | - Zeid AlOthman
- Department of Chemistry, King Saud University, Riyadh, Kingdom of Saudi Arabia
| | - Claudiu T. Supuran
- NEUROFARBA Department, Sezione di Scienze Farmaceutiche, Universita degli Studi di Firenze, Florence, Italy
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17
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Lolak N, Boga M, Tuneg M, Karakoc G, Akocak S, Supuran CT. Sulphonamides incorporating 1,3,5-triazine structural motifs show antioxidant, acetylcholinesterase, butyrylcholinesterase, and tyrosinase inhibitory profile. J Enzyme Inhib Med Chem 2020; 35:424-431. [PMID: 31899985 PMCID: PMC6968691 DOI: 10.1080/14756366.2019.1707196] [Citation(s) in RCA: 18] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/31/2022] Open
Abstract
A series of 16 novel benzenesulfonamides incorporating 1,3,5-triazine moieties substituted with aromatic amines, dimethylamine, morpholine and piperidine were investigated. These compounds were assayed for antioxidant properties by using 1,1-diphenyl-2-picrylhydrazyl (DPPH) radical scavenging assay, 2,2`-azino-bis(3-ethylbenzothiazoline-6-sulfonic acid (ABTS) radical decolarisation assay and metal chelating methods. They were also investigated as inhibitors of acetylcholinesterase (AChE), butyrylcholinesterase (BChE) and tyrosinase, which are associated with several diseases such as Alzheimer, Parkinson and pigmentation disorders. These benzenesulfonamides showed moderate DPPH radical scavenging and metal chelating activity, and low ABTS cation radical scavenging activity. Compounds 2 b, 3d and 3 h showed inhibitory potency against AChE with % inhibition values of >90. BChE was also effectively inhibited by most of the synthesised compounds with >90% inhibition potency. Tyrosinase was less inhibited by these compounds.
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Affiliation(s)
- Nabih Lolak
- Department of Pharmaceutical Chemistry, Faculty of Pharmacy, Adiyaman University, Adiyaman, Turkey
| | - Mehmet Boga
- Department of Analytical Chemistry, Faculty of Pharmacy, Dicle University, Diyarbakir, Turkey
| | - Muhammed Tuneg
- Department of Analytical Chemistry, Faculty of Pharmacy, Dicle University, Diyarbakir, Turkey
| | - Gulcin Karakoc
- Department of Pharmaceutical Chemistry, Faculty of Pharmacy, Adiyaman University, Adiyaman, Turkey
| | - Suleyman Akocak
- Department of Pharmaceutical Chemistry, Faculty of Pharmacy, Adiyaman University, Adiyaman, Turkey
| | - Claudiu T Supuran
- NEUROFARBA Department, Sezione di Scienze Farmaceutiche, Università degli Studi di Firenze, Florence, Italy
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Abstract
Eight genetically distinct carbonic anhydrase (EC 4.2.1.1) enzyme families (α-, β-, γ- δ-, ζ-, η-, θ- and ι-CAs) were described to date. On the other hand, 16 mammalian α-CA isoforms are known to be involved in many diseases such as glaucoma, edema, epilepsy, obesity, hypoxic tumors, neuropathic pain, arthritis, neurodegeneration, etc. Although CA inhibitors were investigated for the management of a variety of such disorders, the activators just started to be investigated in detail for their in vivo effects. This review summarizes the activation profiles of α-, β, γ-, δ-, ζ- and η- CAs from various organisms (animals, fungi, protozoan, bacteria and archaea) with the most investigated classes of activators, the amines and the amino acids.
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Affiliation(s)
- Suleyman Akocak
- Department of Pharmaceutical Chemistry, Faculty of Pharmacy, Adiyaman University , Adiyaman , Turkey
| | - Claudiu T Supuran
- Dipartimento Neurofarba, Sezione di Scienze Farmaceutiche e Nutraceutiche, Università degli Studi di Firenze , Sesto Fiorentino (Florence) , Italy
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19
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Canakci D, Koyuncu I, Lolak N, Durgun M, Akocak S, Supuran CT. Synthesis and cytotoxic activities of novel copper and silver complexes of 1,3-diaryltriazene-substituted sulfonamides. J Enzyme Inhib Med Chem 2019; 34:110-116. [PMID: 30362387 PMCID: PMC6211257 DOI: 10.1080/14756366.2018.1530994] [Citation(s) in RCA: 16] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/04/2018] [Revised: 09/26/2018] [Accepted: 09/28/2018] [Indexed: 11/19/2022] Open
Abstract
In this study, a series of 10 novel copper (II) and silver complexes of 1,3-diaryltriazene-substituted sulfonamides was synthesised. All the synthesised ligands and their metal complexes were assessed for in vitro cytotoxicity against human colorectal adenocarcinoma (DLD-1), cervix carcinoma (HeLa), breast adenocarcinoma (MDA-MB-231), colon adenocarcinoma (HT-29), endometrial adenocarcinoma (ECC-1), prostate cancer (DU-145 and PC-3), normal embryonic kidney (HEK-293), normal prostate epithelium (PNT-1A), and normal retinal pigment epithelium (ARPE-19) cells. Most of the metal complexes from the series showed to be more active against all cancerous cells than the uncomplexed 1,3-diaryltriazene-substituted sulfonamides, and lower cytotoxic effects observed on normal cells. Most of the Cu (II) and Ag (I) metal complexes from the presented series showed high cytotoxic activity against HeLa cells with IC50 values ranging from 2.08 to >300 µM. Specifically, compound L3-Ag showed one of the highest cytotoxicity against all cancer cell lines with IC50 values between 3.30 to 16.18 µM among other tested compounds.
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Affiliation(s)
- Dilek Canakci
- Department of Chemistry, Vocational School of Technical Sciences, Adiyaman University, Adiyaman, Turkey
| | - Ismail Koyuncu
- Faculty of Medicine, Department of Biochemistry, Harran University, Sanliurfa, Turkey
| | - Nabih Lolak
- Faculty of Pharmacy, Department of Pharmaceutical Chemistry, Adiyaman University, Adiyaman, Turkey
| | - Mustafa Durgun
- Faculty of Arts and Sciences, Deparment of Chemistry, Harran University, Sanliurfa, Turkey
| | - Suleyman Akocak
- Faculty of Pharmacy, Department of Pharmaceutical Chemistry, Adiyaman University, Adiyaman, Turkey
| | - Claudiu T. Supuran
- NEUROFARBA Department, Sezione di Scienze Farmaceutiche, Università degli Studi di Firenze, Florence, Italy
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20
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Akocak S, Lolak N, Bua S, Nocentini A, Supuran CT. Activation of human α-carbonic anhydrase isoforms I, II, IV and VII with bis-histamine schiff bases and bis-spinaceamine substituted derivatives. J Enzyme Inhib Med Chem 2019; 34:1193-1198. [PMID: 31237157 PMCID: PMC6598482 DOI: 10.1080/14756366.2019.1630616] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/31/2023] Open
Abstract
A series of histamine bis-Schiff bases and bis-spinaceamine derivatives were synthesised and investigated as activators of four human (h) carbonic anhydrase (CA, EC 4.2.1.1) isoforms, the cytosolic hCA I, II and VII, and the membrane-associated hCA IV. All isoforms were effectively activated by the new derivatives, with activation constants in the range of 4.73–10.2 µM for hCA I, 6.15–42.1 µM for hCA II, 2.37–32.7 µM for hCA IV and 32 nM–18.7 µM for hCA VII, respectively. The nature of the spacer between the two histamine/spinaceamine units of these molecules was the main contributor to the diverse activating efficacy, with a very different fine tuning for the diverse isoforms. As CA activators recently emerged as interesting agents for enhancing cognition, in the management of CA deficiencies, or for therapy memory and artificial tissues engineering, our compounds may be considered as candidates for such applications.
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Affiliation(s)
- Suleyman Akocak
- a Department of Pharmaceutical Chemistry, Faculty of Pharmacy , Adiyaman University , Adiyaman , Turkey
| | - Nabih Lolak
- a Department of Pharmaceutical Chemistry, Faculty of Pharmacy , Adiyaman University , Adiyaman , Turkey
| | - Silvia Bua
- b Dipartimento Neurofarba, Sezione di Scienze Farmaceutiche e Nutraceutiche , Università degli Studi di Firenze , Sesto Fiorentino , Italy
| | - Alessio Nocentini
- b Dipartimento Neurofarba, Sezione di Scienze Farmaceutiche e Nutraceutiche , Università degli Studi di Firenze , Sesto Fiorentino , Italy
| | - Claudiu T Supuran
- b Dipartimento Neurofarba, Sezione di Scienze Farmaceutiche e Nutraceutiche , Università degli Studi di Firenze , Sesto Fiorentino , Italy
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21
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Lolak N, Akocak S, Bua S, Sanku RKK, Supuran CT. Discovery of new ureido benzenesulfonamides incorporating 1,3,5-triazine moieties as carbonic anhydrase I, II, IX and XII inhibitors. Bioorg Med Chem 2019; 27:1588-1594. [PMID: 30846402 DOI: 10.1016/j.bmc.2019.03.001] [Citation(s) in RCA: 31] [Impact Index Per Article: 6.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/09/2019] [Revised: 02/25/2019] [Accepted: 03/01/2019] [Indexed: 12/22/2022]
Abstract
A series of twenty novel ureido benzenesulfonamides incorporating 1,3,5-triazine moieties substituted on one side with aromatic amines and on the other side with dimethylamine, morpholine and piperidine is reported. The compounds were synthesized from the 4-(3-(4,6-dichloro-1,3,5-triazin-2-yl)ureido)benzensulfonamide (1) by using stepwise nucleophilic substitution of the chlorine atoms of cyanuric chloride. The intermediates 2(a-e) and final compounds 3(a-o) were tested for their efficiency as carbonic anhydrase (CA) inhibitors against four selected physiologically relevant human carbonic anhydrase (CA, EC 4.2.1.1) isoforms, namely, the cytosolic ones hCA I and II, and the transmembrane, tumor associated ones hCA IX, and XII. The compounds 2a, 2e and 3m showed the highest activity for hCA IX with Kis in the range of 11.8-14.6 nM. Most of the compounds showed high hCA IX selectivity over the abundant off-target isoforms hCA I and II. Since hCA IX is a validated drug target for anticancer/antimetastatic agents, these isoform-selective and potent inhibitors may be considered of interest for further medicinal/pharmacologic studies.
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Affiliation(s)
- Nabih Lolak
- Department of Pharmaceutical Chemistry, Faculty of Pharmacy, Adiyaman University, 02040 Adiyaman, Turkey
| | - Suleyman Akocak
- Department of Pharmaceutical Chemistry, Faculty of Pharmacy, Adiyaman University, 02040 Adiyaman, Turkey.
| | - Silvia Bua
- Università degli Studi di Firenze, NEUROFARBA Dept., Sezione di Scienze Farmaceutiche, Via Ugo Schiff 6, 50019 Sesto Fiorentino (Florence), Italy
| | - Rajesh K K Sanku
- University of Pennsylvania, Perelman School of Medicine, Department of Systems Pharmacology and Translational Therapeutics, 19104 Philadelphia, United States
| | - Claudiu T Supuran
- Università degli Studi di Firenze, NEUROFARBA Dept., Sezione di Scienze Farmaceutiche, Via Ugo Schiff 6, 50019 Sesto Fiorentino (Florence), Italy.
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22
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Lolak N, Akocak S, Bua S, Supuran CT. Design, synthesis and biological evaluation of novel ureido benzenesulfonamides incorporating 1,3,5-triazine moieties as potent carbonic anhydrase IX inhibitors. Bioorg Chem 2019; 82:117-122. [DOI: 10.1016/j.bioorg.2018.10.005] [Citation(s) in RCA: 26] [Impact Index Per Article: 5.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/20/2018] [Revised: 09/26/2018] [Accepted: 10/04/2018] [Indexed: 10/28/2022]
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23
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Akocak S, Lolak N, Bua S, Nocentini A, Karakoc G, Supuran CT. α-Carbonic anhydrases are strongly activated by spinaceamine derivatives. Bioorg Med Chem 2019; 27:800-804. [PMID: 30683554 DOI: 10.1016/j.bmc.2019.01.017] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/01/2019] [Revised: 01/18/2019] [Accepted: 01/21/2019] [Indexed: 12/13/2022]
Abstract
A series of 4-substituted-spinaceamine (4,5,6,7-tetrahydro-imidazolo[4,5-c]pyridine) were prepared from histamine and aromatic aldehydes Schiff bases, and investigated as activators of four human (h) carbonic anhydrase (CA, EC 4.2.1.1) isoforms, the cytosolic hCA I, II and VII, and the membrane-associated hCA IV. All isoforms were effectively activated by the new derivatives, and the nature of the moiety in position 4 of the bicyclic system was the factor influencing activation properties against all isoforms. For hCA I, these compounds showed KAs in the range of 2.52-21.5 µM, the most effective activator being 4-(2-hydroxyphenyl)-spinaceamine. For hCA II the activation constants ranged between 0.60 and 17.2 µM, with 4-(2,3,5,6-tetrafluorophenyl)- spinaceamine the best activator. Affinity for hCA IV was in the range of 0.52-63.8 µM, and the same compound as for hCA II was the most effective activator. The most sensitive isoform for activation was the brain-associated hCA VII, for which KAs in the range of 82 nM-4.26 µM were observed. Effective hCA VII activators were the (2-bromophenyl)-, 2,3,5,6-tetrafluorophenyl- and furyl-substituted spineaceamines (KAs of 82-95 nM). As CA activators may have pharmacologic applications in various fields, this work provides interesting derivatives for further studies.
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Affiliation(s)
- Suleyman Akocak
- Department of Pharmaceutical Chemistry, Faculty of Pharmacy, Adiyaman University, 02040 Adiyaman, Turkey.
| | - Nabih Lolak
- Department of Pharmaceutical Chemistry, Faculty of Pharmacy, Adiyaman University, 02040 Adiyaman, Turkey
| | - Silvia Bua
- Università degli Studi di Firenze, Dipartimento Neurofarba, Sezione di Scienze Farmaceutiche e Nutraceutiche, Via U. Schiff 6, 50019 Sesto Fiorentino, Florence, Italy
| | - Alessio Nocentini
- Università degli Studi di Firenze, Dipartimento Neurofarba, Sezione di Scienze Farmaceutiche e Nutraceutiche, Via U. Schiff 6, 50019 Sesto Fiorentino, Florence, Italy
| | - Gulcin Karakoc
- Department of Pharmaceutical Chemistry, Faculty of Pharmacy, Adiyaman University, 02040 Adiyaman, Turkey
| | - Claudiu T Supuran
- Università degli Studi di Firenze, Dipartimento Neurofarba, Sezione di Scienze Farmaceutiche e Nutraceutiche, Via U. Schiff 6, 50019 Sesto Fiorentino, Florence, Italy.
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Abstract
A series of new 1,3-diaryltriazene sulfonamides was synthesised by reaction of diazonium salt of metanilamide (3-aminobenzene sulfonamide) with substituted aromatic amines. The obtained new compounds were assayed as inhibitors of four physiologically and pharmacologically relevant human (h) isoforms of carbonic anhydrases (CA, EC 4.2.1.1), specifically, hCA I, hCA II, and hCA VII (cytosolic isoforms), as well as the tumour-associated membrane-bound isoform hCA IX. All isoforms investigated here were inhibited by the newly synthesised 1,3-diaryltriazene sulfonamide derivatives from the micromolar to the nanomolar range. The cytosolic isoforms were inhibited with Kis in the range of 92.3–8371.1 nM (hCA I), 4.3–9194.0 nM (hCA II), and 15.6–9477.8 nM (hCA VII), respectively. For the membrane-bound tumour-associated isoform hCA IX, the KI-s ranged between 50.8 and 9268.5 nM. The structure–activity relationship (SAR) with these newly synthesised metanilamide derivatives are discussed in detail.
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Affiliation(s)
- Suleyman Akocak
- a Department of Pharmaceutical Chemistry, Faculty of Pharmacy , Adiyaman University , Adiyaman , Turkey
| | - Nabih Lolak
- a Department of Pharmaceutical Chemistry, Faculty of Pharmacy , Adiyaman University , Adiyaman , Turkey
| | - Silvia Bua
- b NEUROFARBA Dept., Sezione di Scienze Farmaceutiche , Università degli Studi di Firenze , Sesto Fiorentino (Florence) , Italy
| | - Claudiu T Supuran
- b NEUROFARBA Dept., Sezione di Scienze Farmaceutiche , Università degli Studi di Firenze , Sesto Fiorentino (Florence) , Italy
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25
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Tuluce Y, Gorgisen G, Gulacar IM, Koyuncu I, Durgun M, Akocak S, Ozkol H, Kaya Z. Antiproliferative and Apoptotic Role of Novel Synthesized Cu(II) Complex with 3-(3-(4-fluorophenyl)Triaz-1-en-1-yl) Benzenesulfonamide in Common Cancer Models. Anticancer Res 2018; 38:5115-5120. [PMID: 30194157 DOI: 10.21873/anticanres.12832] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/30/2018] [Revised: 07/13/2018] [Accepted: 07/16/2018] [Indexed: 11/10/2022]
Abstract
BACKGROUND/AIM Chemotherapeutic treatment options are often ineffective due to the development of resistance in cancer cells. Therefore, developing new anti-cancer agents is crucial for cancer treatment. Some triazine derivatives, their complexes and Copper(II) have anti-cancer effects on cancer cells. In this study, we aimed to determine the anti-proliferative effect of the novel synthesized Cu(II) complex with 3-(3-(4-fluorophenyl)triaz-1-en-1-yl) benzene-sulfonamide compound on the common cancer cell lines HeLa, MDA-MB-231, A2780 and MCF7. MATERIALS AND METHODS Common cancers cell lines were treated with copper complexes. Cell viability and apoptotic gene expression were examined. RESULTS Novel synthesized copper complex led to decreased viability of all cell lines. It also induced apoptosis via increasing the expression of caspase-3, caspase-9, Bax and p53 proteins and decreasing ERK expression. CONCLUSION The novel synthesized copper complex has a significant inhibitory effect on the viability of cancer cell lines and can be considered as an antitumor agent for further studies.
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Affiliation(s)
- Yasin Tuluce
- Department of Medical Biology, Faculty of Medicine, Van Yuzuncu Yil University, Van, Turkey
| | - Gokhan Gorgisen
- Department of Medical Biology, Faculty of Medicine, Van Yuzuncu Yil University, Van, Turkey
| | - Ismail Musab Gulacar
- Department of Medical Biology, Faculty of Medicine, Van Yuzuncu Yil University, Van, Turkey
| | - Ismail Koyuncu
- Department of Biochemistry, Faculty of Medicine, Harran University, Sanliurfa, Turkey
| | - Mustafa Durgun
- Department of Chemistry, Faculty of Arts and Sciences, Harran University, Sanliurfa, Turkey
| | - Suleyman Akocak
- Department of Pharmaceutical Chemistry, Faculty of Pharmacy, Adiyaman University, Adiyaman, Turkey
| | - Halil Ozkol
- Department of Medical Biology, Faculty of Medicine, Van Yuzuncu Yil University, Van, Turkey
| | - Zehra Kaya
- Department of Medical Biology, Faculty of Medicine, Van Yuzuncu Yil University, Van, Turkey
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Lolak N, Akocak S, Bua S, Koca M, Supuran CT. Design and synthesis of novel 1,3-diaryltriazene-substituted sulfonamides as potent and selective carbonic anhydrase II inhibitors. Bioorg Chem 2018; 77:542-547. [DOI: 10.1016/j.bioorg.2018.02.015] [Citation(s) in RCA: 37] [Impact Index Per Article: 6.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/10/2018] [Revised: 02/12/2018] [Accepted: 02/13/2018] [Indexed: 12/15/2022]
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27
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Akocak S, Lolak N, Vullo D, Durgun M, Supuran CT. Synthesis and biological evaluation of histamine Schiff bases as carbonic anhydrase I, II, IV, VII, and IX activators. J Enzyme Inhib Med Chem 2018; 32:1305-1312. [PMID: 29072105 PMCID: PMC6010137 DOI: 10.1080/14756366.2017.1386660] [Citation(s) in RCA: 34] [Impact Index Per Article: 5.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/05/2022] Open
Abstract
A series of 20 histamine Schiff base was synthesised by reaction of histamine, a well known carbonic anhydrase (CA, E.C 4.2.2.1.) activator pharmacophore, with substituted aldehydes. The obtained histamine Schiff bases were assayed as activators of five selected human (h) CA isozymes, the cytosolic hCA I, hCA II, and hCA VII, the membrane-anchored hCA IV and transmembrane hCA IX. Some of these compounds showed efficient activity (in the nanomolar range) against the cytosolic isoform hCA VII, which is a key CA enzyme involved in brain metabolism. Moderate activity was observed against hCA I and hCA IV (in the nanomolar to low micromolar range). The structure–activity relationship for activation of these isoforms with the new histamine Schiff bases is discussed in detail based on the nature of the aliphatic, aromatic, or heterocyclic moiety present in the aldehyde fragment of the molecule, which may participate in diverse interactions with amino acid residues at the entrance of the active site, where activators bind, and which is the most variable part among the different CA isoforms.
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Affiliation(s)
- Suleyman Akocak
- a Department of Pharmaceutical Chemistry, Faculty of Pharmacy , Adiyaman University , Adiyaman , Turkey
| | - Nabih Lolak
- a Department of Pharmaceutical Chemistry, Faculty of Pharmacy , Adiyaman University , Adiyaman , Turkey
| | - Daniela Vullo
- b NEUROFARBA Dept., Sezione di Scienze Farmaceutiche , Università degli Studi di Firenze , Florence , Italy
| | - Mustafa Durgun
- c Department of Chemistry, Faculty of Science and Literature , Harran University , Sanliurfa , Turkey
| | - Claudiu T Supuran
- b NEUROFARBA Dept., Sezione di Scienze Farmaceutiche , Università degli Studi di Firenze , Florence , Italy
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Akocak S, Lolak N, Bua S, Turel I, Supuran CT. Synthesis and biological evaluation of novel N,N'-diaryl cyanoguanidines acting as potent and selective carbonic anhydrase II inhibitors. Bioorg Chem 2018; 77:245-251. [PMID: 29421699 DOI: 10.1016/j.bioorg.2018.01.022] [Citation(s) in RCA: 29] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/06/2017] [Revised: 01/03/2018] [Accepted: 01/12/2018] [Indexed: 12/11/2022]
Abstract
A series of novel N,N''-diaryl cyanoguanidines were synthesized by reacting diphenyl N-cyanocarbonimidate with sulfanilamide followed by treatment of the obtained cyano-O-phenylisourea with substituted aromatic amines. The newly prepared N,N''-diaryl cyanoguanidines showed a very interesting inhibition profile against four selected human carbonic anhydrase (CA, EC 4.2.1.1) isoforms, hCA I and hCA II (cytosolic), hCA IV (membrane-bound), and hCA IX (transmembrane). All these compounds showed a potent inhibition against isoform hCA II,with inhibition constants in the low nanomolar range, as well as a high selectivity for hCA II over hCA I, IV and IX. Since hCA II is an important drug target for antiglaucoma agents, these isoform-selective inhibitors may be considered of interest for further medicinal/pharmacologic studies.
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Affiliation(s)
- Suleyman Akocak
- Department of Pharmaceutical Chemistry, Faculty of Pharmacy, Adiyaman University, 02040 Adiyaman, Turkey.
| | - Nabih Lolak
- Department of Pharmaceutical Chemistry, Faculty of Pharmacy, Adiyaman University, 02040 Adiyaman, Turkey
| | - Silvia Bua
- Università degli Studi di Firenze, NEUROFARBA Dept., Sezione di Scienze Farmaceutiche, Via Ugo Schiff 6, 50019 Sesto Fiorentino (Florence), Italy
| | - Idris Turel
- Department of Pharmacology, Faculty of Pharmacy, Adiyaman University, 02040 Adiyaman, Turkey
| | - Claudiu T Supuran
- Università degli Studi di Firenze, NEUROFARBA Dept., Sezione di Scienze Farmaceutiche, Via Ugo Schiff 6, 50019 Sesto Fiorentino (Florence), Italy.
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29
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Şen B, Lolak N, Paralı Ö, Koca M, Şavk A, Akocak S, Şen F. Bimetallic PdRu/graphene oxide based Catalysts for one-pot three-component synthesis of 2-amino-4H-chromene derivatives. ACTA ACUST UNITED AC 2017. [DOI: 10.1016/j.nanoso.2017.08.013] [Citation(s) in RCA: 36] [Impact Index Per Article: 5.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
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30
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Akocak S, Şen B, Lolak N, Şavk A, Koca M, Kuzu S, Şen F. One-pot three-component synthesis of 2-Amino-4H-Chromene derivatives by using monodisperse Pd nanomaterials anchored graphene oxide as highly efficient and recyclable catalyst. ACTA ACUST UNITED AC 2017. [DOI: 10.1016/j.nanoso.2017.06.002] [Citation(s) in RCA: 61] [Impact Index Per Article: 8.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
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31
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Akocak S, Alam MR, Shabana AM, Sanku RKK, Vullo D, Thompson H, Swenson ER, Supuran CT, Ilies MA. PEGylated Bis-Sulfonamide Carbonic Anhydrase Inhibitors Can Efficiently Control the Growth of Several Carbonic Anhydrase IX-Expressing Carcinomas. J Med Chem 2016; 59:5077-88. [PMID: 27144971 DOI: 10.1021/acs.jmedchem.6b00492] [Citation(s) in RCA: 42] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/19/2022]
Abstract
A series of aromatic/heterocyclic bis-sulfonamides were synthesized from three established aminosulfonamide carbonic anhydrase (CA, EC 4.2.1.1) inhibitor pharmacophores, coupled with either ethylene glycol oligomeric or polymeric diamines to yield bis-sulfonamides with short or long (polymeric) linkers. Testing of novel inhibitors and their precursors against a panel of membrane-bound CA isoforms, including tumor-overexpressed CA IX and XII and cytosolic isozymes, identified nanomolar-potent inhibitors against both classes and several compounds with medium isoform selectivity in a detailed structure-activity relationship study. The ability of CA inhibitors to kill tumor cells overexpressing CA IX and XII was tested under normoxic and hypoxic conditions, using 2D and 3D in vitro cellular models. The study identified a nanomolar potent PEGylated bis-sulfonamide CA inhibitor (25) able to significantly reduce the viability of colon HT-29, breast MDA-MB231, and ovarian SKOV-3 cancer cell lines, thus revealing the potential of polymer conjugates in CA inhibition and cancer treatment.
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Affiliation(s)
- Suleyman Akocak
- Department of Pharmaceutical Sciences and Molder Center for Drug Discovery Research, Temple University School of Pharmacy , 3307 N Broad Street, Philadelphia, Pennsylvania 19140, United States.,Department of Pharmaceutical Chemistry, Faculty of Pharmacy, Adiyaman University , 02040 Adiyaman, Turkey
| | - M Raqibul Alam
- Department of Pharmaceutical Sciences and Molder Center for Drug Discovery Research, Temple University School of Pharmacy , 3307 N Broad Street, Philadelphia, Pennsylvania 19140, United States
| | - Ahmed M Shabana
- Department of Pharmaceutical Sciences and Molder Center for Drug Discovery Research, Temple University School of Pharmacy , 3307 N Broad Street, Philadelphia, Pennsylvania 19140, United States
| | - Rajesh Kishore Kumar Sanku
- Department of Pharmaceutical Sciences and Molder Center for Drug Discovery Research, Temple University School of Pharmacy , 3307 N Broad Street, Philadelphia, Pennsylvania 19140, United States
| | - Daniela Vullo
- NEUROFARBA Department, Pharmaceutical Sciences Section, Universita degli Studi di Firenze, Polo Scientifico , Via Ugo Schiff no. 6, 50019 Sesto Fiorentino (Florence), Italy
| | - Harry Thompson
- Department of Pharmaceutical Sciences and Molder Center for Drug Discovery Research, Temple University School of Pharmacy , 3307 N Broad Street, Philadelphia, Pennsylvania 19140, United States
| | - Erik R Swenson
- Medical Service, VA Puget Sound Health Care System, University of Washington , Seattle, Washington 98195, United States
| | - Claudiu T Supuran
- NEUROFARBA Department, Pharmaceutical Sciences Section, Universita degli Studi di Firenze, Polo Scientifico , Via Ugo Schiff no. 6, 50019 Sesto Fiorentino (Florence), Italy
| | - Marc A Ilies
- Department of Pharmaceutical Sciences and Molder Center for Drug Discovery Research, Temple University School of Pharmacy , 3307 N Broad Street, Philadelphia, Pennsylvania 19140, United States
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Sharma VD, Akocak S, Ilies MA, Fassihi R. Solid-state interactions at the core-coat interface: physicochemical characterization of enteric-coated omeprazole pellets without a protective sub-coat. AAPS PharmSciTech 2015; 16:934-43. [PMID: 25595125 DOI: 10.1208/s12249-014-0263-z] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/13/2014] [Accepted: 12/08/2014] [Indexed: 11/30/2022] Open
Abstract
Conventionally, scanning electron or transmission microscopy, Raman and near infrared (NIR) spectroscopy, terahertz, florescence, and nuclear magnetic resonance imaging have been used to characterize functional coating structure. This study highlights the use of fluorescence microscopy to investigate the physicochemical stability and coating integrity of the commercially available enteric-coated omeprazole pellets containing a basic excipient and prepared by extrusion and spheronization or drug layering on the nonpareil seed, immediately followed by enteric coating (i.e., absence of protective sub-coat). The nature of coating interface and the likely development of an in situ interfacial layer after the application of enteric coating solution was examined using HPLC, NMR, differential scanning calorimetry (DSC), and fluorescent imaging methods. Likewise for the characterization of the solid pellet structure via fluorescence microscopy, a new approach based on fracturing technique (to avoid surface contamination) rather than microtome sectioning was used and validated. Analytical data showed that the pellets containing omeprazole remained chemically stable (>99.5% recovered). Control of the microenvironmental pH by the addition of alkalinizing excipient within a core formulation or as part of drug layering on top of nonpareil seed appears to efficiently neutralize the acidic effect of enteric coating dispersion. Fluorescence images further illustrate the absence of any discernable in situ layer formation at the coat-core interface.
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33
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Draghici B, Vullo D, Akocak S, Walker EA, Supuran CT, Ilies MA. Ethylene bis-imidazoles are highly potent and selective activators for isozymes VA and VII of carbonic anhydrase, with a potential nootropic effect. Chem Commun (Camb) 2014; 50:5980-3. [PMID: 24763985 DOI: 10.1039/c4cc02346c] [Citation(s) in RCA: 43] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Abstract
A series of ethylene bis-imidazoles was synthesized via a novel microwave-mediated synthesis. Biological testing on eight isozymes of carbonic anhydrase (CA) present in the human brain revealed compounds with nanomolar potency against CA VA and CA VII, also displaying excellent selectivity against other CA isozymes present in this organ.
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Affiliation(s)
- Bogdan Draghici
- Department of Pharmaceutical Sciences and Moulder Center for Drug Discovery Research, Temple University School of Pharmacy, 3307 N Broad Street, Philadelphia, PA-19140, USA.
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