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Silva A, Scorgie FE, Lincz LF, Maduwage K, Siribaddana S, Isbister GK. Indian Polyvalent Antivenom Accelerates Recovery From Venom-Induced Consumption Coagulopathy (VICC) in Sri Lankan Russell’s Viper (Daboia russelii) Envenoming. Front Med (Lausanne) 2022; 9:852651. [PMID: 35321467 PMCID: PMC8934852 DOI: 10.3389/fmed.2022.852651] [Citation(s) in RCA: 8] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/14/2022] [Accepted: 02/15/2022] [Indexed: 11/13/2022] Open
Abstract
Background Venom-induced consumption coagulopathy (VICC) is an important clinical consequence of Russell’s viper (Daboia russelii) envenoming. There is limited evidence for antivenom effectiveness in resolving VICC. We aimed to compare the recovery of VICC in patients who received and did not receive antivenom following Russell’s viper envenoming. Patients and Methods This was a non-randomized observational study comparing patients with VICC from Russell’s viper envenoming given antivenom for systemic envenoming and those not given antivenom. Antivenom administration was decided by the treating physicians. We included 44 patients with confirmed Russell’s viper bites with one or more International Normalized Ratio (INR) value ≥ 1.5 (VICC). We compared five patients who did not receive antivenom with 39 patients who did receive antivenom. The primary outcome was the proportion of patients with an INR < 1.5 by 48 h post-bite. Results The antivenom group had higher peak serum venom concentrations [median (IQR) = 272 (96–1,076) ng/mL versus 21 (8–58) ng/mL] and more severe VICC compared to the no antivenom group. Twenty seven of 39 patients (69%) in the antivenom group had an INR < 1.5 at 48 h post-bite compared to none of the five patients (0%) in the no antivenom group (absolute difference: 69%; 95%CI: 13 to 83%; p = 0.006; Fisher’s exact test). The fibrinogen recovered in 32 of 39 patients (82%) in the antivenom group compared to one of five patients (20%) in the no antivenom group (absolute difference 62%; 95% CI: 28 to 95%; p = 0.001; Fisher’s exact test). Both INR and fibrinogen were significantly improved between 24 and 48 h post-bite in the antivenom group compared to the no antivenom group. Conclusion Antivenom accelerated the recovery of VICC in patients with Russell’s viper envenoming, compared to no recovery in a smaller group of patients with milder VICC not receiving antivenom. This supports the efficacy of antivenom in patients with VICC.
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Affiliation(s)
- Anjana Silva
- Department of Parasitology, Faculty of Medicine and Allied Sciences, Rajarata University of Sri Lanka, Saliyapura, Sri Lanka
- Monash Venom Group, Department of Pharmacology, Faculty of Medicine, Nursing and Health Sciences, Monash University, Melbourne, VIC, Australia
- South Asian Clinical Toxicology Research Collaboration (SACTRC), Faculty of Medicine, University of Peradeniya, Peradeniya, Sri Lanka
| | - Fiona E. Scorgie
- Hunter Haematology Research Group, Calvary Mater Newcastle, Newcastle, NSW, Australia
| | - Lisa F. Lincz
- Hunter Haematology Research Group, Calvary Mater Newcastle, Newcastle, NSW, Australia
| | - Kalana Maduwage
- Department of Biochemistry, Faculty of Medicine, University of Peradeniya, Peradeniya, Sri Lanka
| | - Sisira Siribaddana
- Department of Medicine, Faculty of Medicine and Allied Sciences, Rajarata University of Sri Lanka, Saliyapura, Sri Lanka
| | - Geoffrey K. Isbister
- South Asian Clinical Toxicology Research Collaboration (SACTRC), Faculty of Medicine, University of Peradeniya, Peradeniya, Sri Lanka
- Clinical Toxicology Research Group, The University of Newcastle, Newcastle, NSW, Australia
- *Correspondence: Geoffrey K. Isbister,
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Güller P, Dağalan Z, Güller U, Çalışır U, Nişancı B. Enzymes inhibition profiles and antibacterial activities of benzylidenemalononitrile derivatives. J Mol Struct 2021. [DOI: 10.1016/j.molstruc.2021.130498] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/31/2022]
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Sangkaew A, Samritsakulchai N, Sanachai K, Rungrotmongkol T, Chavasiri W, Yompakdee C. Two flavonoid-based compounds from Murraya paniculata as novel human carbonic anhydrase isozyme II inhibitors detected by a resazurin yeast-based assay. J Microbiol Biotechnol 2020; 30:552-560. [PMID: 31893608 PMCID: PMC9728158 DOI: 10.4014/jmb.1910.10037] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/17/2019] [Accepted: 12/27/2019] [Indexed: 12/15/2022]
Abstract
Human carbonic anhydrase isozyme II has been used as protein target for disorder treatment including glaucoma. Current clinically used sulfonamide-based CA inhibitors can induce side effects, and so alternatives are required. This study aimed to investigate a natural CA inhibitor from Murraya paniculata. The previously developed yeast-based assay was used to screen 14 compounds isolated from M. paniculata and identified by NMR analysis for anti-human CA isozyme II (hCAII) activity. Cytotoxicity of the compounds was also tested using the same yeast-based assay but in a different cultivation condition. Two flavonoid candidate compounds, 5, 6, 7, 8, 3', 4', 5'-heptamethoxyflavone (4) and 3 ,5, 7, 8, 3', 4', 5'-heptamethoxyflavone (9), showed potent inhibitory activity against hCAII with a minimal effective concentration of 10.8 and 21.5 μM, respectively, while they both exhibited no cytotoxic effect even at the highest concentration tested (170 μM). The results from an in vitro esterase assay of the two candidates confirmed their hCAII inhibitory activity with IC50 values of 24.0 and 34.3 μM, respectively. To investigate the potential inhibition mechanism of compound 4, in silico molecular docking was performed using the FlexX and Swissdock software. This revealed that compound 4 coordinated with the Zn2+ ion in the hCAII active site through its methoxy oxygen at a distance of 1.60 Å (FlexX) or 2.29 Å (Swissdock). The interaction energy of compound 4 with hCAII was -13.36 kcal/mol. Thus, compound 4 is a potent novel flavonoid-based hCAII inhibitor and may be useful for further anti-CAII design and development.
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Affiliation(s)
- Anyaporn Sangkaew
- Department of Microbiology, Faculty of Science, Chulalongkorn University, Bangkok 10330, Thailand
| | - Nawara Samritsakulchai
- Department of Chemistry, Faculty of Science, Chulalongkorn University, Bangkok 10330, Thailand
| | - Kamonpan Sanachai
- Structural and Computational Biology Research Unit, Department of Biochemistry, Faculty of Science, Chulalongkorn University, Bangkok10330, Thailand
| | - Thanyada Rungrotmongkol
- Structural and Computational Biology Research Unit, Department of Biochemistry, Faculty of Science, Chulalongkorn University, Bangkok10330, Thailand
- Program in Bioinformatics and Computational Biology, Faculty of Science, Chulalongkorn University, Bangkok 10330, Thailand
| | - Warinthorn Chavasiri
- Department of Chemistry, Faculty of Science, Chulalongkorn University, Bangkok 10330, Thailand
| | - Chulee Yompakdee
- Department of Microbiology, Faculty of Science, Chulalongkorn University, Bangkok 10330, Thailand
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4
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Imidazolinium chloride salts bearing wingtip groups: Synthesis, molecular docking and metabolic enzymes inhibition. J Mol Struct 2019. [DOI: 10.1016/j.molstruc.2018.11.038] [Citation(s) in RCA: 73] [Impact Index Per Article: 14.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/16/2022]
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5
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Synthesis, biological evaluation and molecular docking of novel pyrazole derivatives as potent carbonic anhydrase and acetylcholinesterase inhibitors. Bioorg Chem 2019; 86:420-427. [PMID: 30769267 DOI: 10.1016/j.bioorg.2019.02.013] [Citation(s) in RCA: 142] [Impact Index Per Article: 28.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/05/2018] [Revised: 02/02/2019] [Accepted: 02/04/2019] [Indexed: 11/22/2022]
Abstract
A series of substituted pyrazole compounds (1-8 and 9a, b) were synthesized and their structure was characterized by IR, NMR, and Mass analysis. These obtained novel pyrazole derivatives (1-8 and 9a, b) were emerged as effective inhibitors of the cytosolic carbonic anhydrase I and II isoforms (hCA I and II) and acetylcholinesterase (AChE) enzymes with Ki values in the range of 1.03 ± 0.23-22.65 ± 5.36 µM for hCA I, 1.82 ± 0.30-27.94 ± 4.74 µM for hCA II, and 48.94 ± 9.63-116.05 ± 14.95 µM for AChE, respectively. Docking studies were performed for the most active compounds, 2 and 5, and binding mode between the compounds and the receptors were determined.
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Zengin Kurt B, Sonmez F, Durdagi S, Aksoydan B, Ekhteiari Salmas R, Angeli A, Kucukislamoglu M, Supuran CT. Synthesis, biological activity and multiscale molecular modeling studies for coumaryl-carboxamide derivatives as selective carbonic anhydrase IX inhibitors. J Enzyme Inhib Med Chem 2017; 32:1042-1052. [PMID: 28776440 PMCID: PMC6009903 DOI: 10.1080/14756366.2017.1354857] [Citation(s) in RCA: 20] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/23/2023] Open
Abstract
New coumaryl-carboxamide derivatives with the thiourea moiety as a linker between the alkyl chains and/or the heterocycle nucleus were synthesized and their inhibitory activity against the human carbonic anhydrase (hCA) isoforms hCA I, II, VII and IX were evaluated. While the hCA I, II and VII isoforms were not inhibited by the investigated compounds, the tumour-associated isoform hCA IX was inhibited in the high nanomolar range. 2-Oxo-N-((2-(pyrrolidin-1-yl)ethyl)carbamothioyl)-2H-chromene-3-carboxamide (e11) exhibited a selective inhibitory action against hCA IX with the Ki of 107.9 nM. In order to better understand the inhibitory profiles of studied molecules, multiscale molecular modeling approaches were used. Different molecular docking algorithms were used to investigate binding poses and predicted binding energies of studied compounds at the active sites of the CA I, II, VII and IX isoforms.
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Affiliation(s)
- Belma Zengin Kurt
- a Faculty of Pharmacy, Department of Pharmaceutical Chemistry , Bezmialem Vakıf University , Istanbul , Turkey
| | - Fatih Sonmez
- b Faculty of Arts and Science, Department of Chemistry , Sakarya University , Sakarya , Turkey
| | - Serdar Durdagi
- c Computational Biology and Molecular Simulations Laboratory, Department of Biophysics , School of Medicine, Bahcesehir University , Istanbul , Turkey
| | - Busecan Aksoydan
- c Computational Biology and Molecular Simulations Laboratory, Department of Biophysics , School of Medicine, Bahcesehir University , Istanbul , Turkey
| | - Ramin Ekhteiari Salmas
- c Computational Biology and Molecular Simulations Laboratory, Department of Biophysics , School of Medicine, Bahcesehir University , Istanbul , Turkey
| | - Andrea Angeli
- d Dipartimento Neurofarba, Sezione di ScienzeFarmaceutiche e Nutraceutiche , Università degli Studi di Firenze , Florence , Italy
| | - Mustafa Kucukislamoglu
- b Faculty of Arts and Science, Department of Chemistry , Sakarya University , Sakarya , Turkey
| | - Claudiu T Supuran
- d Dipartimento Neurofarba, Sezione di ScienzeFarmaceutiche e Nutraceutiche , Università degli Studi di Firenze , Florence , Italy
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Arslan T, Çelik G, Çelik H, Şentürk M, Yaylı N, Ekinci D. Synthesis and Biological Evaluation of Novel Bischalcone Derivatives as Carbonic Anhydrase Inhibitors. Arch Pharm (Weinheim) 2016; 349:741-8. [DOI: 10.1002/ardp.201600122] [Citation(s) in RCA: 26] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/25/2016] [Revised: 06/10/2016] [Accepted: 06/22/2016] [Indexed: 01/30/2023]
Affiliation(s)
- Tayfun Arslan
- Technical Sciences Vocational School; Giresun University; Giresun Turkey
| | - Gonca Çelik
- Department of Chemistry; Karadeniz Technical University; Trabzon Turkey
| | - Habip Çelik
- Department of Chemistry; Agri Ibrahim Cecen University; Agri Turkey
| | - Murat Şentürk
- Department of Chemistry; Agri Ibrahim Cecen University; Agri Turkey
| | - Nurettin Yaylı
- Department of Pharmacy; Karadeniz Technical University; Trabzon Turkey
| | - Deniz Ekinci
- Department of Agricultural Biotechnology; Ondokuz Mayis University; Samsun Turkey
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Ekhteiari Salmas R, Unlu A, Bektaş M, Yurtsever M, Mestanoglu M, Durdagi S. Virtual screening of small molecules databases for discovery of novel PARP-1 inhibitors: combination of in silico and in vitro studies. J Biomol Struct Dyn 2016; 35:1899-1915. [DOI: 10.1080/07391102.2016.1199328] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/21/2022]
Affiliation(s)
| | - Ayhan Unlu
- Faculty of Medicine, Department of Biophysics, Trakya University, Edirne, Turkey
| | - Muhammet Bektaş
- Istanbul Faculty of Medicine, Department of Biophysics, Istanbul University, Istanbul, Turkey
| | - Mine Yurtsever
- Department of Chemistry, Istanbul Technical University, Istanbul, Turkey
| | | | - Serdar Durdagi
- Department of Biophysics, School of Medicine, Bahcesehir University, Istanbul, Turkey
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Durdagi S, Korkmaz N, Işık S, Vullo D, Astley D, Ekinci D, Salmas RE, Senturk M, Supuran CT. Kinetic and docking studies of cytosolic/tumor-associated carbonic anhydrase isozymes I, II and IX with some hydroxylic compounds. J Enzyme Inhib Med Chem 2015; 31:1214-20. [DOI: 10.3109/14756366.2015.1114930] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
Affiliation(s)
- Serdar Durdagi
- Department of Biophysics, School of Medicine, Bahçeşehir University, Istanbul, Turkey,
| | - Neslihan Korkmaz
- Department of Chemistry, Science Faculty, Ege University, Izmir, Turkey,
| | - Semra Işık
- Department of Chemistry, Science & Art Faculty, Balikesir University, Balikesir, Turkey,
| | - Daniela Vullo
- Polo Scientifico, Laboratorio Di Chimica Bioinorganica, Università Degli Studi Di Firenze, Florence, Italy,
| | - Demet Astley
- Department of Chemistry, Science Faculty, Ege University, Izmir, Turkey,
| | - Deniz Ekinci
- Department of Agricultural Biotechnology, Faculty of Agriculture, Ondokuz Mayıs University, Samsun, Turkey, and
| | - Ramin E. Salmas
- Department of Biophysics, School of Medicine, Bahçeşehir University, Istanbul, Turkey,
| | - Murat Senturk
- Department of Chemistry, Art and Science Faculty, Ağrı Ibrahim Cecen University, Agri, Turkey
| | - Claudiu T. Supuran
- Polo Scientifico, Laboratorio Di Chimica Bioinorganica, Università Degli Studi Di Firenze, Florence, Italy,
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