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Zainal Abidin A, Norrrahim MNF, Mohamed Shakrin NNS, Ibrahim B, Abdullah N, Abdul Rashid JI, Mohd Kasim NA, Ahmad Shah NA. Amidine containing compounds: Antimicrobial activity and its potential in combating antimicrobial resistance. Heliyon 2024; 10:e32010. [PMID: 39170404 PMCID: PMC11336351 DOI: 10.1016/j.heliyon.2024.e32010] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/24/2023] [Revised: 05/24/2024] [Accepted: 05/27/2024] [Indexed: 08/23/2024] Open
Abstract
Antimicrobial resistance (AMR) is a growing and concerning threat to global public health, necessitating innovative strategies to combat this crisis. Amidine-containing compounds have emerged as promising agents in the battle against AMR. This review gives a summary of recent advances from the past decade in studies of antimicrobial amidine-containing compounds with the aim to feature their structural diversity and the pharmacological relevance of the moiety to antimicrobial activity and their potential use in combating antimicrobial resistance, to the greatest extent possible. Highlighting is put on chemical structure of such compounds in relation to antimicrobial activities such as antibacterial, antifungal, and antiparasitic activities. Researchers commonly modify molecules containing amidine or incorporate amidine into existing antimicrobial agents to enhance their pharmacological attributes and combat antimicrobial resistance. This comprehensive review consolidates the current knowledge on amidine-containing compounds, elucidating their antimicrobial mechanisms and highlighting their promise in addressing the global AMR crisis. By offering a multidisciplinary perspective, we aim to inspire further research and innovation in this critical area of antimicrobial research.
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Affiliation(s)
- Asmaa Zainal Abidin
- Department of Chemistry and Biology, Centre for Defence Foundation Studies, Universiti Pertahanan Nasional Malaysia, Kem Perdana Sungai Besi, 57000 Kuala Lumpur, Malaysia
| | - Mohd Nor Faiz Norrrahim
- Research Centre for Chemical Defence, Universiti Pertahanan Nasional Malaysia, Kem Perdana Sungai Besi, 57000 Kuala Lumpur, Malaysia
| | | | - Baharudin Ibrahim
- Faculty of Pharmacy, Universiti Malaya, 50603 Kuala Lumpur, Malaysia
| | - Norli Abdullah
- Department of Chemistry and Biology, Centre for Defence Foundation Studies, Universiti Pertahanan Nasional Malaysia, Kem Perdana Sungai Besi, 57000 Kuala Lumpur, Malaysia
| | - Jahwarhar Izuan Abdul Rashid
- Department of Chemistry and Biology, Centre for Defence Foundation Studies, Universiti Pertahanan Nasional Malaysia, Kem Perdana Sungai Besi, 57000 Kuala Lumpur, Malaysia
| | - Noor Azilah Mohd Kasim
- Department of Chemistry and Biology, Centre for Defence Foundation Studies, Universiti Pertahanan Nasional Malaysia, Kem Perdana Sungai Besi, 57000 Kuala Lumpur, Malaysia
| | - Noor Aisyah Ahmad Shah
- Department of Chemistry and Biology, Centre for Defence Foundation Studies, Universiti Pertahanan Nasional Malaysia, Kem Perdana Sungai Besi, 57000 Kuala Lumpur, Malaysia
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Chen G, Bai J, Wu X, Huo X, Li Y, Lei P, Ma Z. Amphiphilic amidines as potential plasmic membrane-targeting antifungal agents: synthesis, bio-activities and QSAR. PEST MANAGEMENT SCIENCE 2024. [PMID: 38877543 DOI: 10.1002/ps.8253] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/18/2024] [Revised: 05/17/2024] [Accepted: 06/04/2024] [Indexed: 06/16/2024]
Abstract
BACKGROUND Cationic antimicrobial peptides (AMPs) possess broad-spectrum biological activities with less inclination to inducing antibiotic resistance. Herein a battery of amphiphilic amidines were designed by mimicking the characteristics of AMPs. The antifungal activities and the effects to the hyphal morphology and membrane permeability were investigated. RESULTS The results indicated the inhibitory rates of ten compounds were over 80% to Botrytis cinerea and ten compounds over 90% to Valsa mali Miyabe et Yamada at 50 mg L-1. The half maximal effective concentration (EC50) values of compound 5g and 6g to V. mali were 1.21 and 1.90 mg L-1 respectively. The protective rate against apple canker of compound 5g reached 93.4% at 100 mg L-1 on twigs, superior to carbendazim (53.3%). When treated with 5g, the cell membrane permeability and leakage of content of V. mali increased, accompanied with the decrease of superoxide dismutase (SOD) and catalase (CAT) level. Concurrently, the mycelial hyphae contracted, wrinkled, and collapsed, providing evidence of membrane perturbation. A three-dimensional quantitative structure-activity relationship (3D-QSAR) between the topic compounds and the EC50 to V. mali was established showing good predictability (r2 = 0.971). CONCLUSION Amphiphilic amidines can acquire antifungal activities by acting on the plasmic membrane. Compound 5g could be a promising lead in discovering novel fungicidal candidates. © 2024 Society of Chemical Industry.
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Affiliation(s)
- Guangyou Chen
- College of Plant Protection, Northwest A&F University, Yangling, China
- Shaanxi Research Center of Biopesticide Engineering & Technology, Northwest A&F University, Yangling, China
| | - Jing Bai
- College of Plant Protection, Northwest A&F University, Yangling, China
| | - Xinyan Wu
- College of Plant Protection, Northwest A&F University, Yangling, China
| | - Xinyi Huo
- College of Plant Protection, Northwest A&F University, Yangling, China
| | - Yongqiang Li
- College of Plant Protection, Northwest A&F University, Yangling, China
- State Key Laboratory of Crop Stress Biology for Arid Areas, Northwest A&F University, Yangling, China
| | - Peng Lei
- College of Plant Protection, Northwest A&F University, Yangling, China
- Shaanxi Research Center of Biopesticide Engineering & Technology, Northwest A&F University, Yangling, China
| | - Zhiqing Ma
- College of Plant Protection, Northwest A&F University, Yangling, China
- Shaanxi Research Center of Biopesticide Engineering & Technology, Northwest A&F University, Yangling, China
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Alniss HY, Al-Jubeh HM, Msallam YA, Siddiqui R, Makhlouf Z, Ravi A, Hamdy R, Soliman SSM, Khan NA. Structure-based drug design of DNA minor groove binders and evaluation of their antibacterial and anticancer properties. Eur J Med Chem 2024; 271:116440. [PMID: 38678825 DOI: 10.1016/j.ejmech.2024.116440] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/07/2023] [Revised: 04/09/2024] [Accepted: 04/18/2024] [Indexed: 05/01/2024]
Abstract
Antimicrobial and chemotherapy resistance are escalating medical problem of paramount importance. Yet, research for novel antimicrobial and anticancer agents remains lagging behind. With their reported medical applications, DNA minor groove binders (MGBs) are worthy of exploration. In this study, the approach of structure-based drug design was implemented to generate 11 MGB compounds including a novel class of bioactive alkyne-linked MGBs. The NCI screening protocol was utilized to evaluate the antitumor activity of the target MGBs. Furthermore, a variety of bactericidal, cytopathogenicity, MIC90, and cytotoxicity assays were carried out using these MGBs against 6 medically relevant bacteria: Salmonella enterica, Escherichia coli, Serratia marcescens, Bacillus cereus, Streptococcus pneumoniae and Streptococcus pyogenes. Moreover, molecular docking, molecular dynamic simulations, DNA melting, and isothermal titration calorimetry (ITC) analyses were utilized to explore the binding mode and interactions between the most potent MGBs and the DNA duplex d(CGACTAGTCG)2. NCI results showed that alkyne-linked MGBs (26 & 28) displayed the most significant growth inhibition among the NCI-60 panel. In addition, compounds MGB3, MGB4, MGB28, and MGB32 showed significant bactericidal effects, inhibited B. cereus and S. enterica-mediated cytopathogenicity, and exhibited low cytotoxicity. MGB28 and MGB32 demonstrated significant inhibition of S. pyogenes, whereas MGB28 notably inhibited S. marcescens and all four minor groove binders significantly inhibited B. cereus. The ability of these compounds to bind with DNA and distort its groove dimensions provides the molecular basis for the allosteric perturbation of proteins-DNA interactions by MGBs. This study shed light on the mechanism of action of MGBs and revealed the important structural features for their antitumor and antibacterial activities, which are important to guide future development of MGB derivatives as novel antibacterial and anticancer agents.
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Affiliation(s)
- Hasan Y Alniss
- College of Pharmacy, Department of Medicinal Chemistry, University of Sharjah, 27272, Sharjah, United Arab Emirates; Research Institute for Medical and Health Sciences, University of Sharjah, 27272, Sharjah, United Arab Emirates.
| | - Hadeel M Al-Jubeh
- Research Institute for Medical and Health Sciences, University of Sharjah, 27272, Sharjah, United Arab Emirates
| | - Yousef A Msallam
- College of Pharmacy, Department of Medicinal Chemistry, University of Sharjah, 27272, Sharjah, United Arab Emirates; Research Institute for Medical and Health Sciences, University of Sharjah, 27272, Sharjah, United Arab Emirates
| | - Ruqaiyyah Siddiqui
- Institute of Biological Chemistry, Biophysics and Bioengineering, Heriot-Watt University Edinburgh, EH14 4AS, United Kingdom; Department of Medical Biology, Faculty of Medicine, Istinye University, Istanbul, 34010, Turkey
| | - Zinb Makhlouf
- College of Medicine, Department of Clinical Sciences, University of Sharjah, 27272, Sharjah, United Arab Emirates
| | - Anil Ravi
- Research Institute for Medical and Health Sciences, University of Sharjah, 27272, Sharjah, United Arab Emirates
| | - Rania Hamdy
- Research Institute for Medical and Health Sciences, University of Sharjah, 27272, Sharjah, United Arab Emirates
| | - Sameh S M Soliman
- College of Pharmacy, Department of Medicinal Chemistry, University of Sharjah, 27272, Sharjah, United Arab Emirates; Research Institute for Medical and Health Sciences, University of Sharjah, 27272, Sharjah, United Arab Emirates
| | - Naveed A Khan
- Department of Medical Biology, Faculty of Medicine, Istinye University, Istanbul, 34010, Turkey.
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Microfluidics Biocatalysis System Applied for the Synthesis of N-Substituted Benzimidazole Derivatives by Aza-Michael Addition. Catalysts 2022. [DOI: 10.3390/catal12121658] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/24/2022] Open
Abstract
Benzimidazole scaffolds became an attractive subject due to their broad spectrum of pharmacological activities. In this work, a methodology was developed for the synthesis of N-substituted benzimidazole derivatives from benzimidazoles and α, β-unsaturated compounds (acrylonitriles, acrylate esters, phenyl vinyl sulfone) catalyzed by lipase TL IM from Thermomyces lanuginosus in continuous-flow microreactors. Investigations were conducted on reaction parameters such as solvent, substrate ratio, reaction temperature, reactant donor/acceptor structures, and reaction time. The transformation is promoted by inexpensive and readily available lipase in methanol at 45 °C for 35 min. A wide range of β-amino sulfone, β-amino nitrile, and β-amino carbonyl compounds were efficiently and selectively synthesized in high yields (76–97%). All in all, a microfluidic biocatalysis system was applied to the synthesis of N-substituted benzimidazole derivatives, and could serve as a promising fast synthesis strategy for further research to develop novel and highly potent active drugs.
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Roman G. Thiophene-containing compounds with antimicrobial activity. Arch Pharm (Weinheim) 2022; 355:e2100462. [PMID: 35289443 DOI: 10.1002/ardp.202100462] [Citation(s) in RCA: 9] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/23/2021] [Revised: 02/08/2022] [Accepted: 02/10/2022] [Indexed: 12/19/2022]
Abstract
Thiophene, as a member of the group of five-membered heterocycles containing one heteroatom, is one of the simplest heterocyclic systems. Many synthetic strategies allow the accurate positioning of various functionalities onto the thiophene ring. This review provides a comprehensive, systematic and detailed account of the developments in the field of antimicrobial compounds featuring at least one thiophene ring in their structure, over the last decade.
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Affiliation(s)
- Gheorghe Roman
- Department of Inorganic Polymers, Petru Poni Institute of Macromolecular Chemistry, Iaşi, Romania
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6
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Cuevas-Hernández RI, Girard RMBM, Krstulović L, Bajić M, Silber AM. An aromatic imidazoline derived from chloroquinoline triggers cell cycle arrest and inhibits with high selectivity the Trypanosoma cruzi mammalian host-cells infection. PLoS Negl Trop Dis 2021; 15:e0009994. [PMID: 34843481 PMCID: PMC8659321 DOI: 10.1371/journal.pntd.0009994] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/09/2021] [Revised: 12/09/2021] [Accepted: 11/13/2021] [Indexed: 11/19/2022] Open
Abstract
Trypanosoma cruzi is a hemoflagellated parasite causing Chagas disease, which affects 6-8 million people in the Americas. More than one hundred years after the description of this disease, the available drugs for treating the T. cruzi infection remain largely unsatisfactory. Chloroquinoline and arylamidine moieties are separately found in various compounds reported for their anti-trypanosoma activities. In this work we evaluate the anti-T. cruzi activity of a collection of 26 "chimeric" molecules combining choroquinoline and amidine structures. In a first screening using epimastigote forms of the parasite as a proxy for the clinically relevant stages, we selected the compound 7-chloro-4-[4-(4,5-dihydro-1H-imidazol-2-yl)phenoxy]quinoline (named here as A6) that performed better as an anti-T. cruzi compound (IC50 of 2.2 ± 0.3 μM) and showed a low toxicity for the mammalian cell CHO-K1 (CC50 of 137.9 ± 17.3 μM). We initially investigated the mechanism of death associated to the selected compound. The A6 did not trigger phosphatidylserine exposure or plasma membrane permeabilization. Further investigation led us to observe that under short-term incubations (until 6 hours), no alterations of mitochondrial function were observed. However, at longer incubation times (4 days), A6 was able to decrease the intracellular Ca2+, to diminish the intracellular ATP levels, and to collapse mitochondrial inner membrane potential. After analysing the cell cycle, we found as well that A6 produced an arrest in the S phase that impairs the parasite proliferation. Finally, A6 was effective against the infective forms of the parasite during the infection of the mammalian host cells at a nanomolar concentration (IC50(tryps) = 26.7 ± 3.7 nM), exhibiting a selectivity index (SI) of 5,170. Our data suggest that A6 is a promising hit against T. cruzi.
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Affiliation(s)
- Roberto I. Cuevas-Hernández
- Laboratory of Biochemistry of Tryps, Department of Parasitology, Institute of Biomedical Sciences, University of São Paulo, São Paulo, SP, Brazil
| | - Richard M. B. M. Girard
- Laboratory of Biochemistry of Tryps, Department of Parasitology, Institute of Biomedical Sciences, University of São Paulo, São Paulo, SP, Brazil
| | - Luka Krstulović
- Department of Chemistry and Biochemistry, Faculty of Veterinary Medicine, University of Zagreb, Zagreb, Croatia
| | - Miroslav Bajić
- Department of Chemistry and Biochemistry, Faculty of Veterinary Medicine, University of Zagreb, Zagreb, Croatia
| | - Ariel Mariano Silber
- Laboratory of Biochemistry of Tryps, Department of Parasitology, Institute of Biomedical Sciences, University of São Paulo, São Paulo, SP, Brazil
- * E-mail:
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7
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Zha GF, Preetham HD, Rangappa S, Sharath Kumar KS, Girish YR, Rakesh KP, Ashrafizadeh M, Zarrabi A, Rangappa KS. Benzimidazole analogues as efficient arsenals in war against methicillin-resistance staphylococcus aureus (MRSA) and its SAR studies. Bioorg Chem 2021; 115:105175. [PMID: 34298242 DOI: 10.1016/j.bioorg.2021.105175] [Citation(s) in RCA: 37] [Impact Index Per Article: 12.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/01/2021] [Accepted: 07/11/2021] [Indexed: 12/19/2022]
Abstract
Small molecule based inhibitors development is a growing field in medicinal chemistry. In recent years, different heterocyclic derivatives have been designed to counter the infections caused by multi-drug resistant bacteria. Indeed, small molecule inhibitors can be employed as an efficient antibacterial agents with different mechanism of action. Methicillin-resistant Staphylococcus aureus (MRSA) is becoming lethal to mankind due to easy transmission mode, rapid resistance development to existing antibiotics and affect difficult-to-treat skin and filmsy diseases. Benzimidazoles are a class of heterocyclic compounds which have capability to fight against MRSA. High biocompatibility of benzimidazoles, synergistic behaviour with antibiotics and their tunable physico-chemical properties attracted the researchers to develop new benzimidazole based antibacterial agents. The present review focus on recent developments of benzimidazole-hybrid molecules as anti MRSA agents and the results of in-vitro and in-vivo studies with possible mechanism of action and discussing structure-activity relationship (SAR) in different directions. Benzimdazoles act as DNA binding agents, enzyme inhibitors, anti-biofilm agents and showed synergistic effect with available antibiotics to achieve antibacterial activity against MRSA. This cumulative figures would help to design new benzimidazole-based MRSA growth inhibitors.
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Affiliation(s)
- Gao-Feng Zha
- Scientific Research Centre, The Seventh Affiliated Hospital, Sun Yat-Sen University, Shenzhan 518107, China.
| | - Habbanakuppe D Preetham
- Department of Studies in Chemistry, University of Mysore, Manasagangotri, Mysuru 570 006, India
| | - Shobith Rangappa
- Adichunchanagiri Institute for Molecular Medicine, Adichunchanagiri Institute of Medical Sciences, Adichunchanagiri University, B. G. Nagar, Nagamangala Taluk, Mandya District 571448, India
| | | | - Yarabahally R Girish
- Centre for Research and Innovations, School of Natural Sciences, BGSIT, Adichunchanagiri University, B. G. Nagara, Mandya, 571448, India
| | - Kadalipura P Rakesh
- School of Material Science and Engineering, Gwangju Institute of Science and Technology, Gwangju 61005, Republic of Korea
| | - Milad Ashrafizadeh
- Faculty of Engineering and Natural Sciences, Sabanci University, Orta Mahalle, Üniversite Caddesi No. 27, Orhanlı, Tuzla, 34956 Istanbul, Turkey; Sabanci University Nanotechnology Research and Application Center (SUNUM), Tuzla, 34956 Istanbul, Turkey
| | - Ali Zarrabi
- Sabanci University Nanotechnology Research and Application Center (SUNUM), Tuzla, 34956 Istanbul, Turkey
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Ptiček L, Hok L, Grbčić P, Topić F, Cetina M, Rissanen K, Pavelić SK, Vianello R, Racané L. Amidino substituted 2-aminophenols: biologically important building blocks for the amidino-functionalization of 2-substituted benzoxazoles. Org Biomol Chem 2021; 19:2784-2793. [PMID: 33704342 DOI: 10.1039/d1ob00235j] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Unlike the closely related and widely investigated amidino-substituted benzimidazoles and benzothiazoles with a range of demonstrated biological activities, the matching benzoxazole analogues still remain a largely understudied and not systematically evaluated class of compounds. To address this challenge, we utilized the Pinner reaction to convert isomeric cyano-substituted 2-aminophenols into their amidine derivatives, which were isolated as hydrochlorides and/or zwitterions, and whose structure was confirmed by single crystal X-ray diffraction. The key step during the Pinner synthesis of the crucial carboximidate intermediates was characterized through mechanistic DFT calculations, with the obtained kinetic and thermodynamic parameters indicating full agreement with the experimental observations. The obtained amidines were subjected to a condensation reaction with aryl carboxylic acids that allowed the synthesis of a new library of 5- and 6-amidino substituted 2-arylbenzoxazoles. Their antiproliferative features against four human tumour cell lines (SW620, HepG2, CFPAC-1, HeLa) revealed sub-micromolar activities on SW620 for several cyclic amidino 2-naphthyl benzoxazoles, thus demonstrating the usefulness of the proposed synthetic strategy and promoting amidino substituted 2-aminophenols as important building blocks towards biologically active systems.
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Affiliation(s)
- Lucija Ptiček
- Department of Applied Chemistry, Faculty of Textile Technology, University of Zagreb, Prilaz baruna Filipovića 28a, 10000 Zagreb, Croatia.
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9
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Singh A, Singh G, Bedi PMS. Thiophene derivatives: A potent multitargeted pharmacological scaffold. J Heterocycl Chem 2020. [DOI: 10.1002/jhet.3990] [Citation(s) in RCA: 17] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/23/2022]
Affiliation(s)
- Atamjit Singh
- Department of Pharmaceutical SciencesGuru Nanak Dev University Amritsar Punjab India
| | - Gurvinder Singh
- Department of Pharmaceutical ChemistryKhalsa College of Pharmacy Amritsar Punjab India
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10
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Popov AB, Stolić I, Krstulović L, Taylor MC, Kelly JM, Tomić S, Tumir L, Bajić M, Raić-Malić S. Novel symmetric bis-benzimidazoles: Synthesis, DNA/RNA binding and antitrypanosomal activity. Eur J Med Chem 2019; 173:63-75. [PMID: 30986572 DOI: 10.1016/j.ejmech.2019.04.007] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/11/2019] [Revised: 02/22/2019] [Accepted: 04/02/2019] [Indexed: 12/11/2022]
Abstract
The novel benzimidazol-2-yl-fur-5-yl-(1,2,3)-triazolyl dimeric series with aliphatic and aromatic central linkers was successfully prepared with the aim of assessing binding affinity to DNA/RNA and antitrypanosomal activity. UV-Visible spectroscopy, thermal denaturation showed interaction of heterocyclic bis-amidines with ctDNA. Circular dichroism studies indicated uniform orientation of heterocyclic bis-amidines along the chiral double helix axis, revealing minor groove binding as the dominant binding mode. The amidino fragment and 1,4-bis(oxymethylene)phenyl spacer were the main determinants of activity against Trypanosoma brucei. The bis-benzimidazole imidazoline 15c, which had antitrypanosomal potency in the submicromolar range and DNA interacting properties, emerged as a candidate for further structural optimization to obtain more effective agents to combat trypanosome infections.
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Affiliation(s)
- A Bistrović Popov
- Department of Organic Chemistry, Faculty of Chemical Engineering and Technology, University of Zagreb, Marulićev trg 20, HR-10000, Zagreb, Croatia
| | - I Stolić
- Department of Chemistry and Biochemistry, Faculty of Veterinary Medicine, University of Zagreb, Heinzelova 55, HR-10000, Zagreb, Croatia
| | - L Krstulović
- Department of Chemistry and Biochemistry, Faculty of Veterinary Medicine, University of Zagreb, Heinzelova 55, HR-10000, Zagreb, Croatia
| | - M C Taylor
- Department of Pathogen Molecular Biology, London School of Hygiene and Tropical Medicine, Keppel Street, London, WC1E 7HT, UK
| | - J M Kelly
- Department of Pathogen Molecular Biology, London School of Hygiene and Tropical Medicine, Keppel Street, London, WC1E 7HT, UK
| | - S Tomić
- Division of Organic Chemistry and Biochemistry, Physical Chemistry, Ruđer Bošković Institute, Bijenička 54, HR-10000, Zagreb, Croatia
| | - L Tumir
- Division of Organic Chemistry and Biochemistry, Laboratory for Biomolecular Interactions and Spectroscopy, Ruđer Bošković Institute, Bijenička 54, HR-10000, Zagreb, Croatia
| | - M Bajić
- Department of Chemistry and Biochemistry, Faculty of Veterinary Medicine, University of Zagreb, Heinzelova 55, HR-10000, Zagreb, Croatia
| | - S Raić-Malić
- Department of Organic Chemistry, Faculty of Chemical Engineering and Technology, University of Zagreb, Marulićev trg 20, HR-10000, Zagreb, Croatia.
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11
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Bistrović A, Krstulović L, Stolić I, Drenjančević D, Talapko J, Taylor MC, Kelly JM, Bajić M, Raić-Malić S. Synthesis, anti-bacterial and anti-protozoal activities of amidinobenzimidazole derivatives and their interactions with DNA and RNA. J Enzyme Inhib Med Chem 2018; 33:1323-1334. [PMID: 30165753 PMCID: PMC6127852 DOI: 10.1080/14756366.2018.1484733] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/25/2018] [Revised: 05/18/2018] [Accepted: 05/31/2018] [Indexed: 02/09/2023] Open
Abstract
Amidinobenzimidazole derivatives connected to 1-aryl-substituted 1,2,3-triazole through phenoxymethylene linkers 7a-7e, 8a-8e, and 9a-9e were designed and synthesised with the aim of evaluating their anti-bacterial and anti-trypanosomal activities and DNA/RNA binding affinity. Results from anti-bacterial evaluations of antibiotic-resistant pathogenic bacteria revealed that both o-chlorophenyl-1,2,3-triazole and N-isopropylamidine moieties in 8c led to strong inhibitory activity against resistant Gram-positive bacteria, particularly the MRSA strain. Furthermore, the non-substituted amidine and phenyl ring in 7a induced a marked anti-bacterial effect, with potency against ESBL-producing Gram-negative E. coli better than those of the antibiotics ceftazidime and ciprofloxacin. UV-Vis and CD spectroscopy, as well as thermal denaturation assays, indicated that compounds 7a and 8c showed also binding affinities towards ctDNA. Anti-trypanosomal evaluations showed that the p-methoxyphenyl-1,2,3-triazole moiety in 7b and 9b enhanced inhibitory activity against T. brucei, with 8b being more potent than nifurtimox, and having minimal toxicity towards mammalian cells.
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Affiliation(s)
- Andrea Bistrović
- Department of Organic Chemistry, Faculty of Chemical Engineering and Technology, University of Zagreb, Zagreb, Croatia
| | - Luka Krstulović
- Department of Chemistry and Biochemistry, Faculty of Veterinary Medicine, University of Zagreb, Zagreb, Croatia
| | - Ivana Stolić
- Department of Chemistry and Biochemistry, Faculty of Veterinary Medicine, University of Zagreb, Zagreb, Croatia
| | - Domagoj Drenjančević
- Department of Transfusion Medicine, Osijek University Hospital, Osijek, Croatia
- Department of Microbiology and Parasitology, Faculty of Medicine, University of Osijek, Osijek, Croatia
| | - Jasminka Talapko
- Department of Microbiology and Parasitology, Faculty of Medicine, University of Osijek, Osijek, Croatia
| | - Martin C. Taylor
- Department of Pathogen Molecular Biology, London School of Hygiene and Tropical Medicine, London, UK
| | - John M. Kelly
- Department of Pathogen Molecular Biology, London School of Hygiene and Tropical Medicine, London, UK
| | - Miroslav Bajić
- Department of Chemistry and Biochemistry, Faculty of Veterinary Medicine, University of Zagreb, Zagreb, Croatia
| | - Silvana Raić-Malić
- Department of Organic Chemistry, Faculty of Chemical Engineering and Technology, University of Zagreb, Zagreb, Croatia
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12
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N'ait Ousidi A, Ait Itto MY, Auhmani A, Riahi A, Robert A, Auhmani A, Daran JC. New polysubstituted monoterpenic thiazolidinones: synthesis, spectroscopic and crystal structure studies. ACTA CRYSTALLOGRAPHICA SECTION C-STRUCTURAL CHEMISTRY 2018; 74:1629-1634. [DOI: 10.1107/s2053229618015802] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/19/2018] [Accepted: 11/07/2018] [Indexed: 11/11/2022]
Abstract
The synthesis of three new polysubstituted monoterpenic thiazolidin-4-ones, namely (Z)-3-methyl-2-{(E)-[(1R,4R)-1,7,7-trimethylbicyclo[2.2.1]heptan-2-ylidene]hydrazinylidene}thiazolidin-4-one, C14H21N3OS (2), (2Z,5Z)-5-[(dimethylamino)methylidene]-2-{(E)-[(1R,4R)-1,7,7-trimethylbicyclo[2.2.1]heptan-2-ylidene]hydrazinylidene}thiazolidin-4-one, C16H24N4OS (3), and (2Z,5Z)-5-[(dimethylamino)methylidene]-3-methyl-2-{(E)-[(1R,4R)-1,7,7-trimethylbicyclo[2.2.1]heptan-2-ylidene]hydrazinylidene}thiazolidin-4-one, C17H26N4OS (4), is reported, starting from the corresponding thiosemicarbazones obtained from naturally occurring (R)-camphor. All the newly obtained thiazolidin-4-ones have been fully characterized by HRMS and 1H and 13C (1D and 2D) NMR spectroscopy. Two of them, i.e.
2 and 3, were identified by single-crystal X-ray crystallography, confirming the synthetic pathway and the spectroscopic analyses. In 3, there are two roughly identical molecules within the asymmetric unit with the same absolute configuration. These two molecules are linked through N—H...O hydrogen bonds, building an R
2
2(8) graph-set motif.
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Dichloro-Substituted 1,2-Diazabuta-1,3-dienes as Highly Reactive Electrophiles in the Reaction with Amines and Diamines: Efficient Synthesis of α-Hydrazo Amidinium Salts. European J Org Chem 2018. [DOI: 10.1002/ejoc.201800441] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022]
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Mishra R, Sachan N, Kumar N, Mishra I, Chand P. Thiophene Scaffold as Prospective Antimicrobial Agent: A Review. J Heterocycl Chem 2018. [DOI: 10.1002/jhet.3249] [Citation(s) in RCA: 28] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
Affiliation(s)
- Raghav Mishra
- School of Pharmaceutical Sciences; IFTM University; Moradabad Uttar Pradesh 244102 India
- Department of Pharmacy; Shri Ram Murti Smarak College of Engineering and Technology; Bareilly Uttar Pradesh 243202 India
| | - Neetu Sachan
- School of Pharmaceutical Sciences; IFTM University; Moradabad Uttar Pradesh 244102 India
| | - Nitin Kumar
- School of Medical and Allied Sciences; K. R. Mangalam University; Sohna Road Gurgaon 122103 India
| | - Isha Mishra
- Department of Pharmacy; Shri Ram Murti Smarak College of Engineering and Technology; Bareilly Uttar Pradesh 243202 India
| | - Phool Chand
- School of Pharmaceutical Sciences; IFTM University; Moradabad Uttar Pradesh 244102 India
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Bhaduri S, Ranjan N, Arya DP. An overview of recent advances in duplex DNA recognition by small molecules. Beilstein J Org Chem 2018; 14:1051-1086. [PMID: 29977379 PMCID: PMC6009268 DOI: 10.3762/bjoc.14.93] [Citation(s) in RCA: 70] [Impact Index Per Article: 11.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/27/2017] [Accepted: 04/06/2018] [Indexed: 12/13/2022] Open
Abstract
As the carrier of genetic information, the DNA double helix interacts with many natural ligands during the cell cycle, and is amenable to such intervention in diseases such as cancer biogenesis. Proteins bind DNA in a site-specific manner, not only distinguishing between the geometry of the major and minor grooves, but also by making close contacts with individual bases within the local helix architecture. Over the last four decades, much research has been reported on the development of small non-natural ligands as therapeutics to either block, or in some cases, mimic a DNA–protein interaction of interest. This review presents the latest findings in the pursuit of novel synthetic DNA binders. This article provides recent coverage of major strategies (such as groove recognition, intercalation and cross-linking) adopted in the duplex DNA recognition by small molecules, with an emphasis on major works of the past few years.
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Affiliation(s)
| | - Nihar Ranjan
- National Institute of Pharmaceutical Education and Research (NIPER), Raebareli 122003, India
| | - Dev P Arya
- NUBAD, LLC, 900B West Faris Rd., Greenville 29605, SC, USA.,Clemson University, Hunter Laboratory, Clemson 29634, SC, USA
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Reyes-Melo K, García A, Romo-Mancillas A, Garza-González E, Rivas-Galindo VM, Miranda LD, Vargas-Villarreal J, Favela-Hernández JMJ, Camacho-Corona MDR. meso-Dihydroguaiaretic acid derivatives with antibacterial and antimycobacterial activity. Bioorg Med Chem 2017; 25:5247-5259. [PMID: 28844400 DOI: 10.1016/j.bmc.2017.07.047] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/17/2017] [Revised: 07/21/2017] [Accepted: 07/26/2017] [Indexed: 11/29/2022]
Abstract
Thirty-three meso-dihydroguaiaretic acid (meso-DGA) derivatives bearing esters, ethers, and amino-ethers were synthesized. All derivatives were tested against twelve drug-resistant clinical isolates of Gram-positive and Gram-negative bacteria, including sensitive (H37Rv) and multidrug-resistant Mycobacterium tuberculosis strains. Among the tested compounds, four esters (7, 11, 13, and 17), one ether (23), and three amino-ethers (30, 31, and 33) exhibited moderate activity against methicillin-resistant Staphylococcus aureus, whereas 30 and 31 showed better results than levofloxacin against vancomycin-resistant Enterococcus faecium. Additionally, nineteen meso-DGA derivatives displayed moderate to potent activity against M. tuberculosis H37Rv with minimum inhibitory concentration (MIC) values ranging from 3.125 to 50µg/mL. Seven meso-DGA derivatives bearing amino-ethers (26-31 and 33) exhibited the lowest MICs against M. tuberculosis H37Rv and G122 strains, with 31 being as potent as ethambutol (MICs of 3.125 and 6.25µg/mL). The presence of positively charged group precursors possessing steric and hydrophobic features (e.g. N-ethylpiperidine moieties in meso-31) resulted essential to significantly increase the antimycobacterial properties of parent meso-DGA as supported by the R-group pharmacophoric and field-based QSAR analyses. To investigate the safety profile of the antimycobacterial compounds, cytotoxicity on Vero cells was determined. The amino-ether 31 exhibited a selectivity index value of 23, which indicate it was more toxic to M. tuberculosis than to mammalian cells. Therefore, 31 can be considered as a promising antitubercular agent for further studies.
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Affiliation(s)
- Karen Reyes-Melo
- Universidad Autónoma de Nuevo León, Facultad de Ciencias Químicas, Av. Universidad s/n, Ciudad Universitaria, C.P. 66455 San Nicolás de los Garza, Nuevo León, Mexico
| | - Abraham García
- Universidad Autónoma de Nuevo León, Facultad de Ciencias Químicas, Av. Universidad s/n, Ciudad Universitaria, C.P. 66455 San Nicolás de los Garza, Nuevo León, Mexico.
| | - Antonio Romo-Mancillas
- Facultad de Química, Universidad Autónoma de Querétaro, Centro Universitario, Cerro de las Campanas, C.P. 76010 Querétaro, Querétaro, Mexico
| | - Elvira Garza-González
- Universidad Autónoma de Nuevo León, Servicio de Gastroenterología y Departamento de Patología Clínica, Hospital Universitario Dr. José Eleuterio González, Madero y Aguirre Pequeño, Mitras Centro, C.P. 64460 Monterrey, Nuevo León, Mexico
| | - Verónica M Rivas-Galindo
- Universidad Autónoma de Nuevo León, Facultad de Medicina, Madero y Aguirre Pequeño, Mitras Centro, C.P. 64460 Monterrey, Nuevo León, Mexico
| | - Luis D Miranda
- Universidad Nacional Autónoma de México, Instituto de Química, Circuito Exterior s/n, Ciudad universitaria, Coyoacán C.P. 04510, Ciudad de México, Mexico
| | - Javier Vargas-Villarreal
- Instituto Mexicano del Seguro Social, Centro de Investigación Biomédica del Noreste, División de Biología Celular y Molecular, Laboratorio de Bioquímica y Fisiología Celular, Administración de correos No. 4, Apartado Postal 020-E, Col. Independencia, C.P. 64720 Monterrey, Nuevo León, Mexico
| | - Juan Manuel J Favela-Hernández
- Universidad Autónoma de Nuevo León, Facultad de Ciencias Químicas, Av. Universidad s/n, Ciudad Universitaria, C.P. 66455 San Nicolás de los Garza, Nuevo León, Mexico
| | - María Del Rayo Camacho-Corona
- Universidad Autónoma de Nuevo León, Facultad de Ciencias Químicas, Av. Universidad s/n, Ciudad Universitaria, C.P. 66455 San Nicolás de los Garza, Nuevo León, Mexico.
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Krstulović L, Stolić I, Jukić M, Opačak-Bernardi T, Starčević K, Bajić M, Glavaš-Obrovac L. New quinoline-arylamidine hybrids: Synthesis, DNA/RNA binding and antitumor activity. Eur J Med Chem 2017; 137:196-210. [DOI: 10.1016/j.ejmech.2017.05.054] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/19/2017] [Revised: 05/23/2017] [Accepted: 05/24/2017] [Indexed: 12/21/2022]
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Jia Y, Xiao H, Li YL, Bai QH, Xue Y, Kim CK, Gao JY. Insight into substituent effects on the hydrolysis of amidines by a microhydration model. Theor Chem Acc 2017. [DOI: 10.1007/s00214-017-2099-6] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
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19
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Jukić M, Rastija V, Opačak-Bernardi T, Stolić I, Krstulović L, Bajić M, Glavaš-Obrovac L. Antitumor activity of 3,4-ethylenedioxythiophene derivatives and quantitative structure-activity relationship analysis. J Mol Struct 2017. [DOI: 10.1016/j.molstruc.2016.11.074] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/08/2023]
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20
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Akhtar W, Khan MF, Verma G, Shaquiquzzaman M, Rizvi MA, Mehdi SH, Akhter M, Alam MM. Therapeutic evolution of benzimidazole derivatives in the last quinquennial period. Eur J Med Chem 2016; 126:705-753. [PMID: 27951484 DOI: 10.1016/j.ejmech.2016.12.010] [Citation(s) in RCA: 129] [Impact Index Per Article: 16.1] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/30/2016] [Revised: 11/10/2016] [Accepted: 12/03/2016] [Indexed: 12/21/2022]
Abstract
Benzimidazole, a fused heterocycle bearing benzene and imidazole has gained considerable attention in the field of contemporary medicinal chemistry. The moiety is of substantial importance because of its wide array of pharmacological activities. This nitrogen containing heterocycle is a part of a number of therapeutically used agents. Moreover, a number of patents concerning this moiety in the last few years further highlight its worth. The present review covers the recent work published by scientists across the globe during last five years.
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Affiliation(s)
- Wasim Akhtar
- Drug Design and Medicinal Chemistry Lab, Department of Pharmaceutical Chemistry, Faculty of Pharmacy, Jamia Hamdard, New Delhi 110062, India
| | - Mohemmed Faraz Khan
- Drug Design and Medicinal Chemistry Lab, Department of Pharmaceutical Chemistry, Faculty of Pharmacy, Jamia Hamdard, New Delhi 110062, India
| | - Garima Verma
- Drug Design and Medicinal Chemistry Lab, Department of Pharmaceutical Chemistry, Faculty of Pharmacy, Jamia Hamdard, New Delhi 110062, India
| | - M Shaquiquzzaman
- Drug Design and Medicinal Chemistry Lab, Department of Pharmaceutical Chemistry, Faculty of Pharmacy, Jamia Hamdard, New Delhi 110062, India
| | - M A Rizvi
- Department of Biosciences, Jamia Millia Islamia, New Delhi 110025, India
| | - Syed Hassan Mehdi
- Department of Biosciences, Jamia Millia Islamia, New Delhi 110025, India
| | - Mymoona Akhter
- Drug Design and Medicinal Chemistry Lab, Department of Pharmaceutical Chemistry, Faculty of Pharmacy, Jamia Hamdard, New Delhi 110062, India
| | - M Mumtaz Alam
- Drug Design and Medicinal Chemistry Lab, Department of Pharmaceutical Chemistry, Faculty of Pharmacy, Jamia Hamdard, New Delhi 110062, India.
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An Aromatic Diamidine That Targets Kinetoplast DNA, Impairs the Cell Cycle in Trypanosoma cruzi, and Diminishes Trypomastigote Release from Infected Mammalian Host Cells. Antimicrob Agents Chemother 2016; 60:5867-77. [PMID: 27431229 DOI: 10.1128/aac.01595-15] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/08/2015] [Accepted: 07/12/2016] [Indexed: 11/20/2022] Open
Abstract
Trypanosoma cruzi is the etiological agent of Chagas disease, affecting approximately 10 million people in the Americas and with some 40 million people at risk. The objective of this study was to evaluate the anti-T. cruzi activity of three new diamidines that have a 3,4-ethylenedioxy extension of the thiophene core, designated MB17, MB19, and MB38. All three diamidines exhibited dose-dependent inhibition of epimastigote replication. The mechanisms of action of these diamidines were investigated. Unlike MB17 and MB19, MB38 exhibited a significant increase in the number of annexin-propidium iodide double-labeled cells compared to levels in control parasites. As MB17 had shown a lower 50% inhibitory concentration (IC50) against epimastigote growth, the mechanism of action of this drug was studied in more detail. MB17 triggered a decrease in the intracellular ATP levels. As a consequence, MB17 affected the genomic DNA and kinetoplast DNA (kDNA) and impaired the parasite cell cycle. Moreover, MB17 caused DNA fragmentation, with a more severe effect on kDNA than on nuclear DNA, resulting in dyskinetoplastic cells. MB17 was tested for toxicity and effectiveness for the treatment of infected CHO-K1 cells, exhibiting a 50% cytotoxic concentration (CC50) of 13.47 ± 0.37 μM and an IC50 of 0.14 ± 0.12 μM against trypomastigote release. MB17 also diminished the infection index by 60% at 0.5 μM. In conclusion, despite belonging to the same family, these diamidines have different efficiencies. To summarize, MB17 was the most potent of these diamidines against epimastigotes, producing DNA damage preferentially in kDNA, impairing the parasite cell cycle, and decreasing the infection index and trypomastigote release from infected mammalian host cells, with a high selectivity index (SI) (<90). These data suggest that MB17 could be an interesting lead compound against T. cruzi.
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Stolić I, Barić D, Kazazić S, Bratoš I, Bajić M. Mechanistic investigation of charge-remote and charge-driven fragmentation processes in 2,5-diphenyl-3,4-ethylenedioxythiophene diamidines. RAPID COMMUNICATIONS IN MASS SPECTROMETRY : RCM 2016; 30:933-943. [PMID: 26969936 DOI: 10.1002/rcm.7523] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/20/2015] [Revised: 01/19/2016] [Accepted: 01/31/2016] [Indexed: 06/05/2023]
Abstract
RATIONALE Diphenylfuran diamidines represent an important class of DNA minor groove binders of high therapeutic interest as antitumor and antibacterial agents. This study aimed to investigate fragmentation patterns in mass spectra of four diamidine derivatives with significant antitumor activity, in order to gain more insight into the structures and stability of their putative biological metabolites. METHODS Compounds were investigated by electrospray ionization tandem mass spectrometry (ESI-MS/MS) using low-energy collision-induced dissociation (CID). Density functional theory calculations were performed to confirm the main fragmentation paths. RESULTS The most abundant ion present in mass spectra is the doubly protonated molecule, whereas singly protonated molecules are present to a lesser extent. In the simplest compound, 2,5-bis(4-amidinophenyl)-3,4-ethylenedioxythiophene, the main fragmentation path was loss of ammonia, followed by loss of HCN where possible. The fragmentation of the N-alkyl derivatives (N-isopropyl-, N-isobutyl-, N-cyclopentyl-) includes competition between loss of alkene and the corresponding amine, followed by loss of another alkene and formation of fragment ions present in the pathway of the parent compound. CONCLUSIONS The primary sites of fragmentations of investigated compounds are amidine groups, while breaking the core 3,4-ethylenedioxythiophene ring system does not take place. Fragmentation of the singly protonated molecule [M + H](+) occurs primarily on the charged side of the molecule, but a charge-remote process is energetically viable. The fragmentation mechanism of the alkyl derivatives revealed that singly and doubly protonated molecules cleave to the singly and doubly protonated molecules of the parent compound. Once formed, they are gradually transformed into nitrile. Copyright © 2016 John Wiley & Sons, Ltd.
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Affiliation(s)
- I Stolić
- Department of Chemistry and Biochemistry, Faculty of Veterinary Medicine, University of Zagreb, Heinzelova 55, 10000, Zagreb, Croatia
| | - D Barić
- Ruđer Bošković Institute, Bijenička 54, 10002, Zagreb, Croatia
| | - Snj Kazazić
- Ruđer Bošković Institute, Bijenička 54, 10002, Zagreb, Croatia
| | - I Bratoš
- TAPI Research & Development, PLIVA Croatia Ltd., Prilaz baruna Filipovića 25, 10000, Zagreb, Croatia
| | - M Bajić
- Department of Chemistry and Biochemistry, Faculty of Veterinary Medicine, University of Zagreb, Heinzelova 55, 10000, Zagreb, Croatia
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Abdel-Aziz HAK, Eldehna WM, Fares M, Elsaman T, Abdel-Aziz MM, Soliman DH. Synthesis, in Vitro and in Silico Studies of Some Novel 5-Nitrofuran-2-yl Hydrazones as Antimicrobial and Antitubercular Agents. Biol Pharm Bull 2015; 38:1617-30. [DOI: 10.1248/bpb.b15-00439] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
Affiliation(s)
- Hatem Abdel-Kader Abdel-Aziz
- Department of Pharmaceutical Chemistry, College of Pharmacy, King Saud University
- Department of Applied Organic Chemistry, National Research Center
| | - Wagdy Mohamed Eldehna
- Department of Pharmaceutical Chemistry, Faculty of Pharmacy, Egyptian Russian University
| | - Mohamed Fares
- Department of Pharmaceutical Chemistry, Faculty of Pharmacy, Egyptian Russian University
| | - Tilal Elsaman
- Department of Pharmaceutical Chemistry, College of Pharmacy, Omdurman Islamic University
| | | | - Dalia Hussein Soliman
- Department of Pharmaceutical Chemistry, Faculty of Pharmacy, Egyptian Russian University
- Pharmaceutical Chemistry Department, Faculty of Pharmacy (Girls), Al-Azhar University
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