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Nyong-Bassey EE, Hicks AL, Bergin P, Tuite EM, Kozhevnikov V, Veuger S. Effect of cyclic substituents on the anti-cancer activity and DNA interaction of ruthenium(II) bis-phenanthroline dipyridoquinoline. Front Mol Biosci 2023; 10:1252285. [PMID: 37920709 PMCID: PMC10619691 DOI: 10.3389/fmolb.2023.1252285] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/03/2023] [Accepted: 09/27/2023] [Indexed: 11/04/2023] Open
Abstract
Introduction: Ruthenium(II) complexes have emerged recently as candidates for anti-cancer therapy, where activity is related to lipohilicity, cellular localization, and specific interactions with biomolecules. Methods: In this work, two novel complexes were synthesized and are reported based on the [Ru(phen)2(dipyrido[3,2-f:2',3'-h]quinoxaline]2+ framework. Results: Compared to the parent complex, annealing of cyclopenteno and cyclohexeno rings to the extended ligand substantially increased cytotoxicity towards a number of cancer cell lines, and induced apoptosis. The complexes localize in the nuclei of cancer cells and co-locate with DAPI on DNA. DNA binding studies show that both complexes bind strongly to DNA and one complex intercalates DNA like the parent, whilst the other appears to have multiple modes of interaction. Discussion: It is likely that the increased lipophilicity of the novel complexes is a key factor for increasing their cytotoxicity, rather than their DNA binding mode.
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Affiliation(s)
- Etubonesi E. Nyong-Bassey
- Department of Applied Sciences, Faculty of Health and Life Sciences, Northumbria University, Newcastle upon Tyne, United Kingdom
| | - Andrew L. Hicks
- School of Natural and Environmental Science–Chemistry, Newcastle University, Newcastle upon Tyne, United Kingdom
| | - Poppy Bergin
- Department of Applied Sciences, Faculty of Health and Life Sciences, Northumbria University, Newcastle upon Tyne, United Kingdom
| | - Eimer M. Tuite
- School of Natural and Environmental Science–Chemistry, Newcastle University, Newcastle upon Tyne, United Kingdom
| | - Valery Kozhevnikov
- Department of Applied Sciences, Faculty of Health and Life Sciences, Northumbria University, Newcastle upon Tyne, United Kingdom
| | - Stephany Veuger
- Department of Applied Sciences, Faculty of Health and Life Sciences, Northumbria University, Newcastle upon Tyne, United Kingdom
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2
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Excited-State Dynamics of Proflavine after Intercalation into DNA Duplex. MOLECULES (BASEL, SWITZERLAND) 2022; 27:molecules27238157. [PMID: 36500248 PMCID: PMC9738913 DOI: 10.3390/molecules27238157] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 10/28/2022] [Revised: 11/17/2022] [Accepted: 11/22/2022] [Indexed: 11/25/2022]
Abstract
Proflavine is an acridine derivative which was discovered as one of the earliest antibacterial agents, and it has been proven to have potential application to fields such as chemotherapy, photobiology and solar-energy conversion. In particular, it is well known that proflavine can bind to DNA with different modes, and this may open addition photochemical-reaction channels in DNA. Herein, the excited-state dynamics of proflavine after intercalation into DNA duplex is studied using femtosecond time-resolved spectroscopy, and compared with that in solution. It is demonstrated that both fluorescence and the triplet excited-state generation of proflavine were quenched after intercalation into DNA, due to ultrafast non-radiative channels. A static-quenching mechanism was identified for the proflavine-DNA complex, in line with the spectroscopy data, and the excited-state deactivation mechanism was proposed.
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3
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Whitfield C, Zhang M, Winterwerber P, Wu Y, Ng DYW, Weil T. Functional DNA-Polymer Conjugates. Chem Rev 2021; 121:11030-11084. [PMID: 33739829 PMCID: PMC8461608 DOI: 10.1021/acs.chemrev.0c01074] [Citation(s) in RCA: 51] [Impact Index Per Article: 17.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/02/2020] [Indexed: 02/07/2023]
Abstract
DNA nanotechnology has seen large developments over the last 30 years through the combination of solid phase synthesis and the discovery of DNA nanostructures. Solid phase synthesis has facilitated the availability of short DNA sequences and the expansion of the DNA toolbox to increase the chemical functionalities afforded on DNA, which in turn enabled the conception and synthesis of sophisticated and complex 2D and 3D nanostructures. In parallel, polymer science has developed several polymerization approaches to build di- and triblock copolymers bearing hydrophilic, hydrophobic, and amphiphilic properties. By bringing together these two emerging technologies, complementary properties of both materials have been explored; for example, the synthesis of amphiphilic DNA-polymer conjugates has enabled the production of several nanostructures, such as spherical and rod-like micelles. Through both the DNA and polymer parts, stimuli-responsiveness can be instilled. Nanostructures have consequently been developed with responsive structural changes to physical properties, such as pH and temperature, as well as short DNA through competitive complementary binding. These responsive changes have enabled the application of DNA-polymer conjugates in biomedical applications including drug delivery. This review discusses the progress of DNA-polymer conjugates, exploring the synthetic routes and state-of-the-art applications afforded through the combination of nucleic acids and synthetic polymers.
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Affiliation(s)
- Colette
J. Whitfield
- Max
Planck Institute for Polymer Research, Ackermannweg 10, 55128 Mainz, Germany
| | - Meizhou Zhang
- Hubei
Key Laboratory of Bioinorganic Chemistry and Materia Medica, School
of Chemistry and Chemical Engineering, Huazhong
University of Science and Technology, Luoyu Road 1037, Hongshan, Wuhan 430074, People’s Republic of China
| | - Pia Winterwerber
- Max
Planck Institute for Polymer Research, Ackermannweg 10, 55128 Mainz, Germany
| | - Yuzhou Wu
- Hubei
Key Laboratory of Bioinorganic Chemistry and Materia Medica, School
of Chemistry and Chemical Engineering, Huazhong
University of Science and Technology, Luoyu Road 1037, Hongshan, Wuhan 430074, People’s Republic of China
| | - David Y. W. Ng
- Max
Planck Institute for Polymer Research, Ackermannweg 10, 55128 Mainz, Germany
| | - Tanja Weil
- Max
Planck Institute for Polymer Research, Ackermannweg 10, 55128 Mainz, Germany
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4
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Kostjukova LO, Leontieva SV, Kostjukov VV. The vibronic absorption spectra and electronic states of proflavine in aqueous solution. COMPUT THEOR CHEM 2021. [DOI: 10.1016/j.comptc.2021.113144] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
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5
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Dukhopelnykov E, Bereznyak E, Gladkovskaya N, Skuratovska A, Krivonos D. Studies of eosin Y - DNA interaction using a competitive binding assay. SPECTROCHIMICA ACTA. PART A, MOLECULAR AND BIOMOLECULAR SPECTROSCOPY 2021; 247:119114. [PMID: 33166781 DOI: 10.1016/j.saa.2020.119114] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/12/2020] [Revised: 10/15/2020] [Accepted: 10/17/2020] [Indexed: 06/11/2023]
Abstract
The interaction between xanthene dye eosin Y and double stranded DNA has been studied by spectrophotometry. The conventional titration study does not show the interaction in the eosin Y - DNA system. Therefore, the competitive binding assay was carried out. The DNA-targeted ligands proflavine and methylene blue were used as competitors. Multivariate curve resolution - alternative least squares method (MCR-ALS) was applied to analyze the spectrophotometric titration data. The experimental binding isotherms were fitted by Scatchard and McGee equations. The binding constant of eosin Y with DNA was found to be 1.7·104 M-1. It is shown that the competitive binding assay requires consideration of heteroassociation for the correct determination of ligand-DNA binding parameters.
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Affiliation(s)
- Evgeniy Dukhopelnykov
- Biological Physics Department, O.Ya. Usikov Institute for Radiophysics and Electronics of National Academy of Sciences of Ukraine, 12 Ak. Proskura Str., Kharkov 61085, Ukraine; Department of Biomedical and Medical Physics, V. N. Karazin Kharkiv National University, 4 Svoboda Sq., Kharkiv 61022, Ukraine.
| | - Ekaterina Bereznyak
- Biological Physics Department, O.Ya. Usikov Institute for Radiophysics and Electronics of National Academy of Sciences of Ukraine, 12 Ak. Proskura Str., Kharkov 61085, Ukraine
| | - Natalia Gladkovskaya
- Biological Physics Department, O.Ya. Usikov Institute for Radiophysics and Electronics of National Academy of Sciences of Ukraine, 12 Ak. Proskura Str., Kharkov 61085, Ukraine
| | - Anastasiia Skuratovska
- Biological Physics Department, O.Ya. Usikov Institute for Radiophysics and Electronics of National Academy of Sciences of Ukraine, 12 Ak. Proskura Str., Kharkov 61085, Ukraine
| | - Daria Krivonos
- Department of Biomedical and Medical Physics, V. N. Karazin Kharkiv National University, 4 Svoboda Sq., Kharkiv 61022, Ukraine
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6
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Coste M, Kotras C, Bessin Y, Gervais V, Dellemme D, Leclercq M, Fossépré M, Richeter S, Clément S, Surin M, Ulrich S. Synthesis, Self‐Assembly, and Nucleic Acid Recognition of an Acylhydrazone‐Conjugated Cationic Tetraphenylethene Ligand. European J Org Chem 2021. [DOI: 10.1002/ejoc.202001420] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022]
Affiliation(s)
- Maëva Coste
- IBMM Université de Montpellier, CNRS, ENSCM Montpellier France
| | - Clément Kotras
- ICGM Institut Charles Gerhardt Montpellier UMR 5253 Université de Montpellier CNRS, ENSCM Montpellier France
- Laboratory for Chemistry of Novel Materials Center of Innovation and Research in Materials and Polymers (CIRMAP) University of Mons-UMONS 7000 Mons Belgium
| | - Yannick Bessin
- IBMM Université de Montpellier, CNRS, ENSCM Montpellier France
| | - Virginie Gervais
- CNRS Institut de Pharmacologie et de Biologie Structurale (IPBS) Université de Toulouse, UPS 205 route de Narbonne 31077 Toulouse France
| | - David Dellemme
- Laboratory for Chemistry of Novel Materials Center of Innovation and Research in Materials and Polymers (CIRMAP) University of Mons-UMONS 7000 Mons Belgium
| | - Maxime Leclercq
- Laboratory for Chemistry of Novel Materials Center of Innovation and Research in Materials and Polymers (CIRMAP) University of Mons-UMONS 7000 Mons Belgium
| | - Mathieu Fossépré
- Laboratory for Chemistry of Novel Materials Center of Innovation and Research in Materials and Polymers (CIRMAP) University of Mons-UMONS 7000 Mons Belgium
| | - Sébastien Richeter
- ICGM Institut Charles Gerhardt Montpellier UMR 5253 Université de Montpellier CNRS, ENSCM Montpellier France
| | - Sébastien Clément
- ICGM Institut Charles Gerhardt Montpellier UMR 5253 Université de Montpellier CNRS, ENSCM Montpellier France
| | - Mathieu Surin
- Laboratory for Chemistry of Novel Materials Center of Innovation and Research in Materials and Polymers (CIRMAP) University of Mons-UMONS 7000 Mons Belgium
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7
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Surin M, Ulrich S. From Interaction to Function in DNA-Templated Supramolecular Self-Assemblies. ChemistryOpen 2020; 9:480-498. [PMID: 32328404 PMCID: PMC7175023 DOI: 10.1002/open.202000013] [Citation(s) in RCA: 16] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/15/2020] [Revised: 03/24/2020] [Indexed: 12/13/2022] Open
Abstract
DNA-templated self-assembly represents a rich and growing subset of supramolecular chemistry where functional self-assemblies are programmed in a versatile manner using nucleic acids as readily-available and readily-tunable templates. In this review, we summarize the different DNA recognition modes and the basic supramolecular interactions at play in this context. We discuss the recent results that report the DNA-templated self-assembly of small molecules into complex yet precise nanoarrays, going from 1D to 3D architectures. Finally, we show their emerging functions as photonic/electronic nanowires, sensors, gene delivery vectors, and supramolecular catalysts, and their growing applications in a wide range of area from materials to biological sciences.
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Affiliation(s)
- Mathieu Surin
- Laboratory for Chemistry of Novel MaterialsCenter of Innovation and Research in Materials and Polymers (CIRMAP)University of Mons-UMONS7000MonsBelgium
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8
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Upadhyay A, Gautam S, Ramu V, Kondaiah P, Chakravarty AR. Photocytotoxic cancer cell-targeting platinum(ii) complexes of glucose-appended curcumin and biotinylated 1,10-phenanthroline. Dalton Trans 2020; 48:17556-17565. [PMID: 31748772 DOI: 10.1039/c9dt03490k] [Citation(s) in RCA: 23] [Impact Index Per Article: 5.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
Abstract
Mixed-ligand platinum(ii) complexes, [Pt(phen)(pacac)](NO3) (1), [Pt(phen)(cur)](NO3) (2), [Pt(bt-phen)(cur)](NO3) (3) and [Pt(phen)(scur)](NO3) (4), where phen is 1,10-phenanthroline, bt-phen is 5-biotin-1,10-phenanthroline, pacac is 1,3-diphenyl-1,3-propanedioate anion, Hcur is curcumin and Hscur is diglucosylcurcumin, were prepared, characterized and their anticancer activity studied. Complexes 2-4 showed absorption bands within 410-430 nm (ε, 2.1 × 104 to 2.8 × 104 M-1 cm-1) in 10% DMSO-DPBS (Dulbecco's phosphate-buffered saline) and emission bands near 530 nm (λex = 410-430 nm) with a fluorescence quantum yield (ΦF) value of ∼0.02. The curcumin complexes showed stability over a study period of 48 h. The photocytotoxicity was studied using human cervical HeLa, human liver HepG2, human breast cancer MDA-MB 231 and human lung adenocarcinoma A549 cancer cells along with human immortalized lung epithelial HPL1D as normal cells. Complexes 2-4 showed apoptotic photo-induced cell death in light of wavelength 400-700 nm (IC50, half maximal inhibitory concentration: 6-28 μM) by reactive oxygen species (ROS), while remaining inactive in the dark (IC50: 43-95 μM). The selectivity of the complexes 3 and 4 was enhanced significantly towards the cancer cells than towards the normal cells, thus making them targeted photochemotherapeutic agents. The ROS formation and mode of cell death were studied from 2',7'-dichlorofluorescein diacetate (DCFDA) and annexin-V/FITC (fluorescein isothiocyanate)-PI assays, respectively. Preferential nuclear and mitochondrial localization was evidenced from inductively coupled plasma mass spectrometry (ICP-MS) studies.
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Affiliation(s)
- Aarti Upadhyay
- Department of Inorganic and Physical Chemistry, Indian Institute of Science, Bangalore 560012, India.
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9
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Laroui N, Coste M, Lichon L, Bessin Y, Gary-Bobo M, Pratviel G, Bonduelle C, Bettache N, Ulrich S. Combination of photodynamic therapy and gene silencing achieved through the hierarchical self-assembly of porphyrin-siRNA complexes. Int J Pharm 2019; 569:118585. [DOI: 10.1016/j.ijpharm.2019.118585] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/29/2019] [Revised: 07/29/2019] [Accepted: 07/30/2019] [Indexed: 12/15/2022]
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10
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DNA binding studies and antibacterial properties of a new Schiff base ligand containing homopiperazine and products of its reaction with Zn(II), Cu(II) and Co(II) metal ions: X-ray crystal structure of Cu(II) and Zn(II) complexes. Polyhedron 2019. [DOI: 10.1016/j.poly.2019.06.023] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/18/2022]
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11
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Bera D, Verdonck L, Glassner M, Madder A, Hoogenboom R. Thermoresponsive DNA by Intercalation of dsDNA with Oligoethylene-Glycol-Functionalized Small-Molecule Intercalators. Macromol Rapid Commun 2019; 40:e1800900. [PMID: 30725517 DOI: 10.1002/marc.201800900] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/12/2018] [Revised: 01/21/2019] [Indexed: 11/05/2022]
Abstract
Thermoresponsive polymeric materials are important building blocks for smart materials. In this work, the transformation of dsDNA into a thermoresponsive polymer is reported by intercalation of short, oligoethylene-glycol-modified proflavine intercalators. The thermoresponsiveness of the dsDNA-intercalator complex originates from the heating-induced dehydration of the ethylene glycol side chains, which leads to aggregation of the intercalated dsDNA. This work demonstrates the possibility of designing small-molecule intercalators to prepare thermoresponsive dsDNA complexes with tunable lower critical solution temperature behavior.
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Affiliation(s)
- Debaditya Bera
- Supramolecular Chemistry Group, Centre of Macromolecular Chemistry (CMaC), Department of Organic and Macromolecular Chemistry, Ghent University, Krijgslaan 281 S4, 9000, Ghent, Belgium
| | - Lars Verdonck
- Organic and Biomimetic Chemistry Research Group, Department of Organic and Macromolecular Chemistry, Ghent University, Krijgslaan 281 S4, 9000, Ghent, Belgium
| | - Mathias Glassner
- Supramolecular Chemistry Group, Centre of Macromolecular Chemistry (CMaC), Department of Organic and Macromolecular Chemistry, Ghent University, Krijgslaan 281 S4, 9000, Ghent, Belgium
| | - Annemieke Madder
- Organic and Biomimetic Chemistry Research Group, Department of Organic and Macromolecular Chemistry, Ghent University, Krijgslaan 281 S4, 9000, Ghent, Belgium
| | - Richard Hoogenboom
- Supramolecular Chemistry Group, Centre of Macromolecular Chemistry (CMaC), Department of Organic and Macromolecular Chemistry, Ghent University, Krijgslaan 281 S4, 9000, Ghent, Belgium
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12
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Shahabadi N, Moradi Fili S. DNA-interaction studies of a copper(II) complex containing ceftobiprole drug using molecular modeling and multispectroscopic methods. J COORD CHEM 2018. [DOI: 10.1080/00958972.2018.1497165] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/22/2023]
Affiliation(s)
- Nahid Shahabadi
- Inorganic Chemistry Department, Faculty of Chemistry, Razi University, Kermanshah, Iran
- Medical Biology Research Center (MBRC), Kermanshah University of Medical Sciences, Kermanshah, Iran
| | - Soraya Moradi Fili
- Inorganic Chemistry Department, Faculty of Chemistry, Razi University, Kermanshah, Iran
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13
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Tuite EM, Nordén B. Linear and circular dichroism characterization of thionine binding mode with DNA polynucleotides. SPECTROCHIMICA ACTA. PART A, MOLECULAR AND BIOMOLECULAR SPECTROSCOPY 2018; 189:86-92. [PMID: 28800432 DOI: 10.1016/j.saa.2017.07.064] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/08/2017] [Revised: 07/25/2017] [Accepted: 07/30/2017] [Indexed: 06/07/2023]
Abstract
The binding mode of thionine (3,7-diamino-5-phenothiazinium) with alternating and non-alternating DNA polynucleotides at low binding ratios was conclusively determined using linear and circular dichroism spectroscopies. The binding to [poly(dG-dC)]2 and poly(dG)·poly(dC) was purely intercalative and was insensitive to ionic strength. Intercalative binding to [poly(dA-dT)]2 is observed at low ionic strength, but a shift of some dye to an non-intercalative mode is observed as the background salt concentration increases. With poly(dA)·poly(dT), intercalative binding is unfavourable, although some dye molecules may intercalate at low ionic strength, and groove binding is strongly promoted with increasing concentration of background salt. However, stacking with bases is observed with single-stranded poly(dA) and with triplex poly(dT)⁎poly(dA)·poly(dT) which suggests that the unusual structure of poly(dA)·poly(dT) precludes intercalation. Thionine behaves similarly to the related dye methylene blue, and small differences may be attributed either to the ability of thionine to form H-bonds that stabilize intercalation or to its improved stacking interactions in the basepair pocket on steric grounds.
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Affiliation(s)
- Eimer Mary Tuite
- School of Chemistry, Bedson Building, Newcastle University, Newcastle upon Tyne NE1 7RU, UK.
| | - Bengt Nordén
- Department of Chemical and Biological Engineering, Chalmers University of Technology, Gothenburg S-41296, Sweden
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14
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Wang SJ, Hou YT, Chen LC. A selective decoy-doxorubicin complex for targeted co-delivery, STAT3 probing and synergistic anti-cancer effect. Chem Commun (Camb) 2016. [PMID: 26207858 DOI: 10.1039/c5cc04435a] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/25/2022]
Abstract
A novel selective decoy oligodeoxynucleotide (dODN)-doxorubicin (DOX) complex is reported for cancer theranostics. It eliminates the use of a ligand or carrier for targeted delivery and disassembles into therapeutic dODN and DOX upon encountering over-activated STAT3 in cancer cells. Hence, in situ STAT3 probing and synergistic anti-cancer effect are attained at the same time.
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Affiliation(s)
- Shao-Jen Wang
- Department of Bio-Industrial Mechatronics Engineering, National Taiwan University, No. 1, Sec. 4, Roosevelt Rd., Taipei 10617, Taiwan, Republic of China.
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15
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Raza MK, Mitra K, Shettar A, Basu U, Kondaiah P, Chakravarty AR. Photoactive platinum(ii) β-diketonates as dual action anticancer agents. Dalton Trans 2016; 45:13234-43. [DOI: 10.1039/c6dt02590k] [Citation(s) in RCA: 43] [Impact Index Per Article: 5.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
Abstract
Cyclometallated platinum(ii) β-diketonates show significant photocytotoxicity in skin-keratinocyte HaCaT cells [IC50: ∼10 μM (visible light, 400–700 nm), ≥60 μM (dark)].
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Affiliation(s)
- Md Kausar Raza
- Department of Inorganic and Physical Chemistry
- Indian Institute of Science
- Bangalore 560012
- India
| | - Koushambi Mitra
- Department of Inorganic and Physical Chemistry
- Indian Institute of Science
- Bangalore 560012
- India
| | - Abhijith Shettar
- Department of Molecular Reproduction
- Development and Genetics
- Indian Institute of Science
- Bangalore 560012
- India
| | - Uttara Basu
- Department of Inorganic and Physical Chemistry
- Indian Institute of Science
- Bangalore 560012
- India
| | - Paturu Kondaiah
- Department of Molecular Reproduction
- Development and Genetics
- Indian Institute of Science
- Bangalore 560012
- India
| | - Akhil R. Chakravarty
- Department of Inorganic and Physical Chemistry
- Indian Institute of Science
- Bangalore 560012
- India
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16
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Liang L, Liu C, Jiao X, Zhao L, Zeng X. A highly selective and sensitive photoinduced electron transfer (PET) based HOCl fluorescent probe in water and its endogenous imaging in living cells. Chem Commun (Camb) 2016; 52:7982-5. [DOI: 10.1039/c6cc02603f] [Citation(s) in RCA: 81] [Impact Index Per Article: 10.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
Abstract
A probe based on the phenothiazine–acridine orange conjugate (Ptz–AO) has been designed and synthesized for the sensitive and selective detection of HOCl.
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Affiliation(s)
- Lijuan Liang
- School of Materials Science and Engineering
- Harbin Institute of Technology
- Harbin 150001
- China
| | - Chang Liu
- School of Materials Science and Engineering
- Harbin Institute of Technology
- Harbin 150001
- China
- Tianjin Key Laboratory for Photoelectric Materials and Devices
| | - Xiaojie Jiao
- Tianjin Key Laboratory for Photoelectric Materials and Devices
- Tianjin University of Technology
- Tianjin 300384
- China
| | - Liancheng Zhao
- School of Materials Science and Engineering
- Harbin Institute of Technology
- Harbin 150001
- China
| | - Xianshun Zeng
- Tianjin Key Laboratory for Photoelectric Materials and Devices
- Tianjin University of Technology
- Tianjin 300384
- China
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17
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Zhou X, Zhang C, Zhang G, Liao Y. Intercalation of the daphnetin–Cu(ii) complex with calf thymus DNA. RSC Adv 2016. [DOI: 10.1039/c5ra22274e] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/23/2022] Open
Abstract
The daphnetin–Cu(ii) complex binds to the A–T bases region of ctDNA and causes cleavage of plasmid DNA.
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Affiliation(s)
- Xiaoyue Zhou
- State Key Laboratory of Food Science and Technology
- Nanchang University
- Nanchang 330047
- China
| | - Cen Zhang
- State Key Laboratory of Food Science and Technology
- Nanchang University
- Nanchang 330047
- China
| | - Guowen Zhang
- State Key Laboratory of Food Science and Technology
- Nanchang University
- Nanchang 330047
- China
| | - Yijing Liao
- State Key Laboratory of Food Science and Technology
- Nanchang University
- Nanchang 330047
- China
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18
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Moradpour Hafshejani S, Watson SMD, Tuite EM, Pike AR. Click Modification of Diazido Acridine Intercalators: A Versatile Route towards Decorated DNA Nanostructures. Chemistry 2015. [DOI: 10.1002/chem.201501836] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
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19
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A Highly Selective Turn-on Fluorescent Chemodosimeter for Cu2+ Through a Cu2+-Promoted Redox Reaction. J Fluoresc 2014; 24:1671-7. [DOI: 10.1007/s10895-014-1454-4] [Citation(s) in RCA: 16] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/23/2014] [Accepted: 09/04/2014] [Indexed: 02/04/2023]
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