1
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Schlosser J, Ihmels H. Ligands for Abasic Site-containing DNA and their Use as Fluorescent Probes. Curr Org Synth 2023; 20:96-113. [PMID: 35170411 DOI: 10.2174/1570179419666220216091422] [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: 08/14/2021] [Revised: 12/16/2021] [Accepted: 12/16/2021] [Indexed: 12/16/2022]
Abstract
Apurinic and apyrimidinic sites, also referred to as abasic or AP sites, are residues of duplex DNA in which one DNA base is removed from a Watson-Crick base pair. They are formed during the enzymatic repair of DNA and offer binding sites for a variety of guest molecules. Specifically, the AP site may bind an appropriate ligand as a substitute for the missing nucleic base, thus stabilizing the abasic site-containing DNA (AP-DNA). Notably, ligands that bind selectively to abasic sites may be employed for analytical and therapeutical purposes. As a result, there is a search for structural features that establish a strong and selective association of a given ligand with the abasic position in DNA. Against this background, this review provides an overview of the different classes of ligands for abasic site-containing DNA (AP-DNA). This review covers covalently binding substrates, namely amine and oxyamine derivatives, as well as ligands that bind to AP-DNA by noncovalent association, as represented by small heterocyclic aromatic compounds, metal-organic complexes, macrocyclic cyclophanes, and intercalator-nucleobase conjugates. As the systematic development of fluorescent probes for AP-DNA has been somewhat neglected so far, this review article contains a survey of the available reports on the fluorimetric response of the ligand upon binding to the AP-DNA. Based on these data, this compilation shall present a perspective for future developments of fluorescent probes for AP-DNA.
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Affiliation(s)
- Julika Schlosser
- Department of Chemistry and Biology, University of Siegen, Center of Micro- and Nanochemistry and (Bio)Technology (Cμ), Adolf-Reichwein-Str. 2, 57068 Siegen, Germany
| | - Heiko Ihmels
- Department of Chemistry and Biology, University of Siegen, Center of Micro- and Nanochemistry and (Bio)Technology (Cμ), Adolf-Reichwein-Str. 2, 57068 Siegen, Germany
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2
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Owen Bonello R, Pitak MB, Tizzard GJ, Coles SJ, Fallis IA, Pope SJ. Aryl, bi-functionalised imidazo[4,5-f]-1,10-phenanthroline ligands and their luminescent rhenium(I) complexes. Polyhedron 2022. [DOI: 10.1016/j.poly.2022.116179] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
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3
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Dayanidhi PD, Vaidyanathan VG. Understanding the ancillary ligand effect on luminescent cyclometalated Ir(III) complex as a reporter for 2-acetylaminofluorene DNA(AAF-dG) adduct. J Biol Inorg Chem 2021; 27:189-199. [PMID: 34843001 DOI: 10.1007/s00775-021-01920-5] [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: 09/20/2021] [Accepted: 11/17/2021] [Indexed: 11/26/2022]
Abstract
Mutagenic agents such as aromatic amines undergo metabolic activation and produce DNA adducts at C8 position of guanine bases. N-2-acetylaminofluorene (AAF) generates different mutational outcomes when placed at G1, G2, and G3 of a NarI sequence (-G1G2CG3CC/T-). These outcomes are dictated by the conformations adopted by these adducts. Detection of such lesions is of considerable interest owing to their hazardous effects. Here, we report the synthesis of three cyclometalated [Ir(L)2dppz]+ complexes (L = 2-phenylpyridine (ppy) 1; benzo[h]quinoline (bhq) 2; 2-phenylquinoline (pq) 3; dppz = dipyrido[3,2-a:2',3'-c]phenazine) and their interaction with AAF adducted NarI DNA. Remarkably, complexes 1 and 2 displayed dominant 3LC transition characteristic of polar environment despite binding to the adducted sites. On the other hand, complex 3 binds to NarI sequences and behaves as a luminescent reporter for AAF-modified DNA. The results reported here emphasize that molecular light switching phenomenon can be stimulated by switching ancillary ligands and might act as potential probes for covalent-DNA defects.
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Affiliation(s)
- P David Dayanidhi
- Advanced Materials Laboratory, CSIR-Central Leather Research Institute, Adyar, Chennai, 600020, India
- Academy of Scientific and Innovative Research (AcSIR), Ghaziabad, 201002, India
| | - V G Vaidyanathan
- Advanced Materials Laboratory, CSIR-Central Leather Research Institute, Adyar, Chennai, 600020, India.
- Academy of Scientific and Innovative Research (AcSIR), Ghaziabad, 201002, India.
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4
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Peng YB, Tao C, Tan CP, Zhao P. Inhibition of Aβ peptide aggregation by ruthenium(II) polypyridyl complexes through copper chelation. J Inorg Biochem 2021; 224:111591. [PMID: 34450410 DOI: 10.1016/j.jinorgbio.2021.111591] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/19/2021] [Revised: 08/18/2021] [Accepted: 08/18/2021] [Indexed: 10/20/2022]
Abstract
Alzheimer's disease (AD) is known as a complex multifactorial syndrome and both metal chelators and amyloid β peptide (Aβ) inhibitors show promise against AD. Herein, four small hybrid compounds have been designed and synthesized utilizing 8-hydroxyquinoline, pyridine or imidazole as chelators and benzimidazole as the recognition moiety for AD treatment. These conjugates can capture Cu2+ from Aβ and become dimers upon Cu2+ coordination and show high efficiency for both Cu2+ elimination and Aβ assembly inhibition. Besides, these designed complexes can inhibit the production of Aβ-induced reactive oxygen species (ROS), protect mitochondria from damage, and improve the survival rate of neuron cells. Our work provides a new strategy to combine hydrophobic interaction and metal ion chelation to design amyloid inhibitors.
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Affiliation(s)
- Yan-Bo Peng
- School of Chemistry and Chemical Engineering, Guangdong Pharmaceutical University, Education Mega Centre, No. 280, Waihuandong Road, Guangzhou 510006, PR China
| | - Can Tao
- School of Chemistry and Chemical Engineering, Guangdong Pharmaceutical University, Education Mega Centre, No. 280, Waihuandong Road, Guangzhou 510006, PR China
| | - Cai-Ping Tan
- MOE Key Laboratory of Bioinorganic and Synthetic Chemistry, School of Chemistry, Sun Yat-Sen University, Guangzhou 510275, PR China.
| | - Ping Zhao
- School of Chemistry and Chemical Engineering, Guangdong Pharmaceutical University, Education Mega Centre, No. 280, Waihuandong Road, Guangzhou 510006, PR China.
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5
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Dayanidhi PD, Vaidyanathan VG. Structural insights into the recognition of DNA defects by small molecules. Dalton Trans 2021; 50:5691-5712. [PMID: 33949406 DOI: 10.1039/d0dt04289g] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/05/2023]
Abstract
Studies on the binding interaction of small molecules and nucleic acids have been explored for their biological applications. With excellent photophysical/chemical properties, numerous metal complexes have been studied as structural probes for nucleic acids. The recognition of DNA defects is of high importance due to their association with various types of cancers. Small molecules that target DNA defects in a specific and selective manner offer a new avenue for developing novel drugs and diagnostic tools. Transition metal complexes have been studied as probes for abasic sites and DNA/RNA mismatches. By changing the ligand structure or metal center, the probing efficiency of the metal complexes varies towards the defects. In this perspective, we have discussed mainly the structural requirement of metal complexes as probes for abasic sites, mismatches, and covalent DNA adducts, followed by the challenges and future directions.
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Affiliation(s)
- P David Dayanidhi
- Academy of Scientific and Innovative Research (AcSIR), Ghaziabad 201002, India. and Advanced Materials Laboratory, CSIR-Central Leather Research Institute, Adyar, Chennai 600 020, India
| | - V G Vaidyanathan
- Academy of Scientific and Innovative Research (AcSIR), Ghaziabad 201002, India. and Advanced Materials Laboratory, CSIR-Central Leather Research Institute, Adyar, Chennai 600 020, India
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6
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Conti L, Mengoni A, Giacomazzo GE, Mari L, Perfetti M, Fagorzi C, Sorace L, Valtancoli B, Giorgi C. Exploring the potential of highly charged Ru(II)- and heteronuclear Ru(II)/Cu(II)-polypyridyl complexes as antimicrobial agents. J Inorg Biochem 2021; 220:111467. [PMID: 33932708 DOI: 10.1016/j.jinorgbio.2021.111467] [Citation(s) in RCA: 11] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/15/2021] [Revised: 03/29/2021] [Accepted: 04/18/2021] [Indexed: 01/18/2023]
Abstract
The antimicrobial potential of two ruthenium(II) polypyridyl complexes, [Ru(phen)2L1]2+ and [Ru(phen)2L2]2+ (phen = 1,10-phenanthroline) containing the 4,4'-(2,5,8,11,14-pentaaza[15])-2,2'-bipyridilophane (L1) and the 4,4'-bis-[methylen-(1,4,7,10-tetraazacyclododecane)]-2,2' bipyridine (L2) units, is herein investigated. These peculiar polyamine frameworks afford the formation of highly charged species in solution, influence the DNA-binding and cleavage properties of compounds, but they do not undermine their singlet oxygen sensitizing capacities, thus making these complexes attractive 1O2 generators in aqueous solution. L1 and L2 also permit to stably host Fenton -active Cu2+ ion/s, leading to the formation of mixed Ru2+/Cu2+ forms capable to further strengthen the oxidative damages to biological targets. Herein, following a characterization of the Cu2+ binding ability by [Ru(phen)2L2]2+, the water-octanol distribution coefficients, the DNA binding, cleavage and 1O2 sensitizing properties of [Ru(phen)2L2]2+ and [Cu2Ru(phen)2L2]6+ were analysed and compared with those of [Ru(phen)2L1]2+ and [CuRu(phen)2L1]4+. The antimicrobial activity of all compounds was evaluated against B. subtilis, chosen as a model for gram-positive bacteria, both under dark and upon light-activation. Our results unveil a notable phototoxicity of [Ru(phen)2L2]2+ and [Cu2Ru(phen)2L2]6+, with MIC (minimal inhibitory concentrations) values of 3.12 μM. This study highlights that the structural characteristics of polyamine ligands gathered on highly charged Ru(II)-polypyridyl complexes are versatile tools that can be exploited to achieve enhanced antibacterial strategies.
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Affiliation(s)
- Luca Conti
- Department of Chemistry "Ugo Schiff", University of Florence, via della Lastruccia 3, 50019 Sesto Fiorentino, Italy.
| | - Alessio Mengoni
- Department of Biology, University of Florence, via Madonna del Piano 6, 50019 Sesto Fiorentino (FI), Italy
| | - Gina Elena Giacomazzo
- Department of Chemistry "Ugo Schiff", University of Florence, via della Lastruccia 3, 50019 Sesto Fiorentino, Italy
| | - Lorenzo Mari
- Department of Chemistry "Ugo Schiff", University of Florence, via della Lastruccia 3, 50019 Sesto Fiorentino, Italy
| | - Mauro Perfetti
- Department of Chemistry "Ugo Schiff", University of Florence, via della Lastruccia 3, 50019 Sesto Fiorentino, Italy
| | - Camilla Fagorzi
- Department of Biology, University of Florence, via Madonna del Piano 6, 50019 Sesto Fiorentino (FI), Italy
| | - Lorenzo Sorace
- Department of Chemistry "Ugo Schiff", University of Florence, via della Lastruccia 3, 50019 Sesto Fiorentino, Italy
| | - Barbara Valtancoli
- Department of Chemistry "Ugo Schiff", University of Florence, via della Lastruccia 3, 50019 Sesto Fiorentino, Italy
| | - Claudia Giorgi
- Department of Chemistry "Ugo Schiff", University of Florence, via della Lastruccia 3, 50019 Sesto Fiorentino, Italy
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7
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Dayanidhi DPE, Thangavel N, Vaidyanathan Ganesan V. Selective Recognition of Conformation-Specific Arylamine–DNA Adduct in Frameshift Model by [Ru(phen)2(dppz)]2+. Chem Res Toxicol 2020; 33:800-805. [DOI: 10.1021/acs.chemrestox.9b00453] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/11/2023]
Affiliation(s)
- David Paul Elisa Dayanidhi
- Academy of Scientific and Innovative Research, Advanced Materials Laboratory, CSIR-Central Leather Research Institute, Adyar, Chennai 600 020, India
| | - Nandhini Thangavel
- Academy of Scientific and Innovative Research, Advanced Materials Laboratory, CSIR-Central Leather Research Institute, Adyar, Chennai 600 020, India
| | - Vaidyanathan Vaidyanathan Ganesan
- Academy of Scientific and Innovative Research, Advanced Materials Laboratory, CSIR-Central Leather Research Institute, Adyar, Chennai 600 020, India
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8
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Gao TB, Zhang JJ, Wen J, Yang XX, Ma HB, Cao DK, Jiang D. Single-Molecule MicroRNA Electrochemiluminescence Detection Using Cyclometalated Dinuclear Ir(III) Complex with Synergistic Effect. Anal Chem 2019; 92:1268-1275. [PMID: 31789019 DOI: 10.1021/acs.analchem.9b04431] [Citation(s) in RCA: 18] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/03/2023]
Abstract
The realization of electrochemiluminescence (ECL) detection at the single-molecule level is a longstanding goal of ECL assay that requires a novel ECL probe with significantly enhanced luminescence. Here, the synergistic effect of electrochemiluminescence (ECL) is observed unprecedentedly in a new cyclometalated dinuclear Ir(III) complex [Ir2(dfppy)4(imiphenH)]PF6 (1·PF6, PF6- = hexafluorophosphate) in which two {Ir(dfppy)2}+ units are bridged by an imiphenH- ligand. The ECL intensity from complex 1·PF6 is 4.4 and 28.7 times as high as that of its reference mononuclear complexes 2 and 3·PF6, respectively. Theoretical calculation reveals that the S0 to S1 excitation is a local excitation in 1·PF6 with two electron-coupled Ir(III) centers, which contributes to the enhanced ECL. The synergistic effect of ECL in 1·PF6 can be used to detect microRNA 21 at the single-molecule level (microRNA 21: UAGCUUAUCAGACUGAUGUUGA), with detectable ECL emission from this complex intercalated in DNA/microRNA 21 duplex as low as 90 helix molecules. The finding of the synergistic effect of ECL will not only provide a novel strategy for the modulation of ECL intensity but also enable the detection of microRNA at the single-molecule level.
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Affiliation(s)
- Tai-Bao Gao
- State Key Laboratory of Coordination Chemistry, School of Chemistry and Chemical Engineering , Nanjing University , Nanjing 210093 , P. R. China
| | - Jing-Jing Zhang
- State Key Laboratory of Analytical Chemistry for Life Science, School of Chemistry and Chemical Engineering , Nanjing University , Nanjing 210093 , P. R. China.,School of Pharmacy and Key Laboratory of Targeted Intervention of Cardiovascular Disease, Collaborative Innovation Center for Cardiovascular Disease Translational Medicine , Nanjing Medical University , Nanjing 211126 , P. R. China
| | - Jing Wen
- Key Laboratory of Mesoscopic Chemistry of MOE, School of Chemistry and Chemical Engineering , Nanjing University , Nanjing 210093 , P. R. China.,School of Materials Science and Engineering , Wuhan Instituent of Technology , Wuhan 430205 , P. R. China
| | - Xue-Xiao Yang
- State Key Laboratory of Coordination Chemistry, School of Chemistry and Chemical Engineering , Nanjing University , Nanjing 210093 , P. R. China
| | - Hai-Bo Ma
- Key Laboratory of Mesoscopic Chemistry of MOE, School of Chemistry and Chemical Engineering , Nanjing University , Nanjing 210093 , P. R. China
| | - Deng-Ke Cao
- State Key Laboratory of Coordination Chemistry, School of Chemistry and Chemical Engineering , Nanjing University , Nanjing 210093 , P. R. China
| | - Dechen Jiang
- State Key Laboratory of Analytical Chemistry for Life Science, School of Chemistry and Chemical Engineering , Nanjing University , Nanjing 210093 , P. R. China
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9
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Scalambra F, Holzmann N, Bernasconi L, Imberti S, Romerosa A. The Interaction of Water with cis
and trans
{Ru(bpy)2
(PTA)2
}2+
(PTA = 1,3,5-Triaza-7-phosphaadamantane) Studied by Neutron Scattering and Ab Initio Calculations. Eur J Inorg Chem 2019. [DOI: 10.1002/ejic.201801499] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022]
Affiliation(s)
- Franco Scalambra
- Área de Química Inorgánica-CIESOL; Universidad de Almería; Carretera Sacramento s/n Almería Spain
| | - Nicole Holzmann
- Scientific Computing Department; STFC Rutherford Appleton Laboratory; Harwell Oxford Didcot OX11 0QX UK
| | - Leonardo Bernasconi
- Center for Research Computing; University of Pittsburgh; 312 Schenley Place, 4420 Bayard Street Pittsburgh PA 15260 USA
| | - Silvia Imberti
- ISIS Neutron and Muon Source; STFC Rutherford Appleton Laboratory; Harwell Oxford Didcot OX11 0QX UK
| | - Antonio Romerosa
- Área de Química Inorgánica-CIESOL; Universidad de Almería; Carretera Sacramento s/n Almería Spain
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10
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Dayanidhi DPE, Malapati RP, Vaidyanathan Ganesan V. Selective recognition of DNA defects by cyclometalated Ir(iii) complexes. Dalton Trans 2019; 48:13536-13540. [DOI: 10.1039/c9dt01225g] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/26/2022]
Abstract
Three different cyclometalated Ir(iii) complexes selectively bind to DNA defects.
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Affiliation(s)
- David Paul Elisa Dayanidhi
- Academy of Scientific and Innovative Research (AcSIR), Advanced Materials Laboratory
- CSIR-Central Leather Research Institute
- Chennai 600 020
| | - Rozaria Pinky Malapati
- Academy of Scientific and Innovative Research (AcSIR), Advanced Materials Laboratory
- CSIR-Central Leather Research Institute
- Chennai 600 020
| | - Vaidyanathan Vaidyanathan Ganesan
- Academy of Scientific and Innovative Research (AcSIR), Advanced Materials Laboratory
- CSIR-Central Leather Research Institute
- Chennai 600 020
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11
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Thangavel N, Ganesan VV, Nair BU. Conformation Specific Binding of [Ru(phen)2
(dppz)]2+
with Mono- and Cluster Arylamine-DNA Adducts. ChemistrySelect 2018. [DOI: 10.1002/slct.201802172] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/12/2023]
Affiliation(s)
- Nandhini Thangavel
- Inorganic and Physical Chemistry Laboratory; CSIR-Central Leather Research Institute, Adyar; Chennai 600 020 India
- Academy of Scientific and Innovative Research (AcSIR); CSIR-Central Leather Research Institute, Adyar; Chennai 600 020 India
| | - Vaidyanathan V. Ganesan
- Advanced Materials Laboratory; CSIR-Central Leather Research Institute, Adyar; Chennai 600 020 India
- Academy of Scientific and Innovative Research (AcSIR); CSIR-Central Leather Research Institute, Adyar; Chennai 600 020 India
| | - Balachandran U. Nair
- Inorganic and Physical Chemistry Laboratory; CSIR-Central Leather Research Institute, Adyar; Chennai 600 020 India
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12
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Bonello RO, Pitak MB, Coles SJ, Hallett AJ, Fallis IA, Pope SJ. Synthesis and characterisation of phosphorescent rhenium(I) complexes of hydroxy- and methoxy-substituted imidazo[4,5- f ]-1,10-phenanthroline ligands. J Organomet Chem 2017. [DOI: 10.1016/j.jorganchem.2017.04.021] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/03/2023]
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13
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Usman M, Zaki M, Khan RA, Alsalme A, Ahmad M, Tabassum S. Coumarin centered copper( ii) complex with appended-imidazole as cancer chemotherapeutic agents against lung cancer: molecular insight via DFT-based vibrational analysis. RSC Adv 2017; 7:36056-36071. [DOI: 10.1039/c7ra05874h] [Citation(s) in RCA: 40] [Impact Index Per Article: 5.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 09/12/2023] Open
Abstract
Synthesis and structural characterization of the novel copper complex, DFT based vibrational analysis, DNA binding studies. In vitro cytotoxicity against A549 cancer cell lines and estimation of GSH, ROS, LPO levels, have been reported.
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Affiliation(s)
- Mohammad Usman
- Department of Chemistry
- Aligarh Muslim University
- Aligarh – 202002
- India
| | - Mehvash Zaki
- Department of Chemistry
- Aligarh Muslim University
- Aligarh – 202002
- India
| | - Rais Ahmad Khan
- Department of Chemistry
- College of Science
- King Saud University
- Riyadh 11451
- Kingdom of Saudi Arabia
| | - Ali Alsalme
- Department of Chemistry
- College of Science
- King Saud University
- Riyadh 11451
- Kingdom of Saudi Arabia
| | - Musheer Ahmad
- Department of Applied Chemistry
- Aligarh Muslim University
- Aligarh – 202002
- India
| | - Sartaj Tabassum
- Department of Chemistry
- Aligarh Muslim University
- Aligarh – 202002
- India
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14
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Nandhini T, Vaidyanathan V, Nair B. Effect of conformation of the arylamine-DNA adduct on the sensitivity of [Ru(phen)2(dppz)]2+ complex. INORG CHEM COMMUN 2016. [DOI: 10.1016/j.inoche.2016.09.008] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/21/2022]
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15
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Scalambra F, Serrano-Ruiz M, Nahim-Granados S, Romerosa A. Ruthenium Complexes Containing 2,2′-Bipyridine and 1,3,5-Triaza-7-phosphaadamantane. Eur J Inorg Chem 2016. [DOI: 10.1002/ejic.201501357] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022]
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