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Paul S, Mukherjee S, Kundu D, Nag S, Bhuyan S, Chandra Murmu N, Banerjee P. AIEE activated Pyrene-Dansyl coupled FRET probe for discriminating detection of lethal Cu 2+ and CN -: Bio-Imaging, DNA binding studies and prompt prognosis of Menke's disease. SPECTROCHIMICA ACTA. PART A, MOLECULAR AND BIOMOLECULAR SPECTROSCOPY 2023; 303:123110. [PMID: 37499469 DOI: 10.1016/j.saa.2023.123110] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/14/2022] [Revised: 06/17/2023] [Accepted: 07/05/2023] [Indexed: 07/29/2023]
Abstract
In present work a pyrene-dansyl dyad functionalized chemoreceptor, DPNS is unveiled towards ultrasensitive chromo-fluorogenic detection of heavy and transition metal ions (HTMs) like Cu2+ and pernicious CN-. It demonstrated distinct chromogenic responses; colorless to faint yellow (Cu2+), intense yellow (CN-) from contaminant aqueous sources. Cu2+ instigated alteration in DPNS fluorescence from feeble emission to sparkling green with LOD: 37.75 × 10-9 M, cyan emission for CN- having LOD 61.51 × 10-8M. In particular, chemical scaffold of DPNS consists of -C = N, O = S = O donor entitities that escalates overall polarity thereby providing an excellent binding pocket for simultaneous Cu2+ and CN- recognition with distinct photophysical signaling. Impressively, presence of two fluorophoric moieties triggers FRET, CHEF phenomenon. The conceivable host:guest interactive pathway is manifested by LMCT- FRET-PET-CHEF, C = N isomerization for Cu2+ and ICT-H-bonding for CN-. An exquisite experimental and theoretical corroboration further strengthened the recognition phenomenon. In addition owing to pyrene excimer formation, DPNS exhibits AIEE with increasing water fraction. Notably, DPNS could successfully undergo intracellular tracking of Cu2+ in Tecoma Stans, Peperomia Pellucida. DPNS•••Cu2+ adduct displayed significant intercalative DNA binding activity rationalized by spectral investigation, competitive EB binding, viscosity study. The overall findings, excellent properties endows DPNS a potential contender towards discriminative detection of Cu2+ and CN- like toxic industrial contaminants.
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Affiliation(s)
- Suparna Paul
- Electric Mobility and Tribology Research Group, CSIR-Central Mechanical Engineering Research Institute, Mahatma Gandhi Avenue, Durgapur 713209, India; Academy of Scientific and Innovative Research (AcSIR), AcSIR Headquarters CSIR-HRDC Campus, Postal Staff College Area, Sector 19, Kamla Nehru Nagar, Ghaziabad-201002, Uttar Pradesh, India; Department of Chemistry, Seacom Skills University, Kendradangal, Bolpur-731236, Birbhum, West Bengal, India
| | - Subhajit Mukherjee
- Department of Chemistry, Seacom Skills University, Kendradangal, Bolpur-731236, Birbhum, West Bengal, India
| | - Debojyoti Kundu
- Electric Mobility and Tribology Research Group, CSIR-Central Mechanical Engineering Research Institute, Mahatma Gandhi Avenue, Durgapur 713209, India; Academy of Scientific and Innovative Research (AcSIR), AcSIR Headquarters CSIR-HRDC Campus, Postal Staff College Area, Sector 19, Kamla Nehru Nagar, Ghaziabad-201002, Uttar Pradesh, India
| | - Somrita Nag
- Electric Mobility and Tribology Research Group, CSIR-Central Mechanical Engineering Research Institute, Mahatma Gandhi Avenue, Durgapur 713209, India; Academy of Scientific and Innovative Research (AcSIR), AcSIR Headquarters CSIR-HRDC Campus, Postal Staff College Area, Sector 19, Kamla Nehru Nagar, Ghaziabad-201002, Uttar Pradesh, India
| | - Samuzal Bhuyan
- Department of Chemistry, Sikkim University, Samdur, P. O. Tadong, Gangtok 737102, Sikkim, India
| | - Naresh Chandra Murmu
- Electric Mobility and Tribology Research Group, CSIR-Central Mechanical Engineering Research Institute, Mahatma Gandhi Avenue, Durgapur 713209, India; Academy of Scientific and Innovative Research (AcSIR), AcSIR Headquarters CSIR-HRDC Campus, Postal Staff College Area, Sector 19, Kamla Nehru Nagar, Ghaziabad-201002, Uttar Pradesh, India
| | - Priyabrata Banerjee
- Electric Mobility and Tribology Research Group, CSIR-Central Mechanical Engineering Research Institute, Mahatma Gandhi Avenue, Durgapur 713209, India; Academy of Scientific and Innovative Research (AcSIR), AcSIR Headquarters CSIR-HRDC Campus, Postal Staff College Area, Sector 19, Kamla Nehru Nagar, Ghaziabad-201002, Uttar Pradesh, India. https://www.cmeri.res.in
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Rouillon J, Ali LMA, Hadj-Kaddour K, Marie-Luce R, Simon G, Onofre M, Denis-Quanquin S, Jean M, Albalat M, Vanthuyne N, Micouin G, Banyasz A, Gary-Bobo M, Monnereau C, Andraud C. Assembly of Aggregation-Induced Emission Active Bola-Amphiphilic Macromolecules into Luminescent Nanoparticles Optimized for Two-Photon Microscopy In Vivo. Biomacromolecules 2022; 23:2485-2495. [PMID: 35608946 DOI: 10.1021/acs.biomac.2c00232] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Abstract
The (Z) and (E)-isomers of an extended tetraphenylethylene-based chromophore with optimized two-photon-induced luminescence properties are separated and functionalized with water-solubilizing pendant polymer groups, promoting their self-assembly in physiological media in the form of small, colloidal stable organic nanoparticles. The two resulting fluorescent suspensions are then evaluated as potential two-photon luminescent contrast agents for intravital epifluorescence and two-photon fluorescence microscopy. Comparisons with previously reported works involving similar fluorophores devoid of polymer side chains illustrate the benefits of later functionalization regarding the control of the self-assembly of the nano-objects and ultimately their biocompatibility toward the imaged organism.
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Affiliation(s)
- Jean Rouillon
- Univ. Lyon, ENS Lyon, CNRS, Laboratoire de Chimie, UMR 5182, 46 Allée d'Italie, 69364 Lyon, France
| | - Lamiaa M A Ali
- IBMM, Univ. Montpellier, CNRS, ENSCM, Montpellier 34293, France.,Department of Biochemistry Medical Research Institute, University of Alexandria, 21561 Alexandria, Egypt
| | | | - Raphaël Marie-Luce
- Univ. Lyon, ENS Lyon, CNRS, Laboratoire de Chimie, UMR 5182, 46 Allée d'Italie, 69364 Lyon, France
| | - Guillaume Simon
- Univ. Lyon, ENS Lyon, CNRS, Laboratoire de Chimie, UMR 5182, 46 Allée d'Italie, 69364 Lyon, France
| | - Mélanie Onofre
- IBMM, Univ. Montpellier, CNRS, ENSCM, Montpellier 34293, France
| | - Sandrine Denis-Quanquin
- Univ. Lyon, ENS Lyon, CNRS, Laboratoire de Chimie, UMR 5182, 46 Allée d'Italie, 69364 Lyon, France
| | - Marion Jean
- Aix Marseille University, CNRS, Centrale Marseille, iSm2, Marseille 13284, France
| | - Muriel Albalat
- Aix Marseille University, CNRS, Centrale Marseille, iSm2, Marseille 13284, France
| | - Nicolas Vanthuyne
- Aix Marseille University, CNRS, Centrale Marseille, iSm2, Marseille 13284, France
| | - Guillaume Micouin
- Univ. Lyon, ENS Lyon, CNRS, Laboratoire de Chimie, UMR 5182, 46 Allée d'Italie, 69364 Lyon, France
| | - Akos Banyasz
- Univ. Lyon, ENS Lyon, CNRS, Laboratoire de Chimie, UMR 5182, 46 Allée d'Italie, 69364 Lyon, France
| | | | - Cyrille Monnereau
- Univ. Lyon, ENS Lyon, CNRS, Laboratoire de Chimie, UMR 5182, 46 Allée d'Italie, 69364 Lyon, France
| | - Chantal Andraud
- Univ. Lyon, ENS Lyon, CNRS, Laboratoire de Chimie, UMR 5182, 46 Allée d'Italie, 69364 Lyon, France
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Domínguez SE, Kohn B, Ääritalo T, Damlin P, Scheler U, Kvarnström C. Cationic polythiophene-anionic fullerene pair in water and water-dioxane: studies on hydrogen bonding capabilities, kinetic and thermodynamic properties. Phys Chem Chem Phys 2021; 23:21013-21028. [PMID: 34522930 DOI: 10.1039/d0cp05748g] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/09/2023]
Abstract
Despite the vast array of solution- and solid-state bio-analytical, bioelectronic and optoelectronic applications of cationic polythiophenes (CPTs), the number of studies focused on the role of hydrogen bonding (H-bonding) between these and other molecules is scarce, regardless of whether H-bonding is expected to play an important role in several such applications. Also, despite the advantages of using cosolvents to systematically examine the molecular interactions, there are no such studies for CPTs to our knowledge. This work presents a steady-state UV-vis/fluorescence spectroscopic, kinetic and thermodynamic study on the H-bonding interactions between a water-soluble, cationic-anionic (isothiouronium-tetraphosphonate), polythiophene-fullerene donor-acceptor pair with two-point, charge-assisted H-bonding (CAHB) capabilities, tuned using water or a 1,4-dioxane-water mixture (W-DI). Both solvents generate photoinduced electron transfer (PET), fluorescence resonance energy transfer (FRET), spontaneous binding, H-bonding, ground-state complexing via multiple site binding, formation of micelle-like aggregates and equivalence points at a similar concentration of the quencher. However, in comparison with water, W-DI promotes less-ordered, less packed micellar aggregates, due to hydrophobic desolvation of the H-bond and larger solvent displacement during the PT1-4Fo complexation. This would decrease the extent of charge-transfer and the size of the sphere-of-quenching, mainly by displacements or rotations of the H-bonds, instead of elongations, together with a possible larger extent of diffusion-controlled static quenching. At [4Fo] larger than the equivalence point the micelles formed in water do not have available binding sites due to a tighter aggregation, causing a decrease in the quenching efficiency, while the micelles formed in W-DI start showing larger quenching efficiencies, possibly due to an increase in entropy that overcomes the desolvation of the H-bonding. These results could be useful when analyzing outputs from systems including CPTs with H-bonding capabilities, operating in (or casted from) solvents with clear differences in polarity and/or H-bonding capacity.
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Affiliation(s)
- Sergio E Domínguez
- Department of Chemistry, Turku University Centre for Materials and Surfaces (MatSurf), Vatselankatu 2, FI-20014 Turku, Finland.
| | - Benjamin Kohn
- Leibniz-Institut für, University of Turku, D-01069 Dresden, Germany
| | - Timo Ääritalo
- Department of Chemistry, Turku University Centre for Materials and Surfaces (MatSurf), Vatselankatu 2, FI-20014 Turku, Finland.
| | - Pia Damlin
- Department of Chemistry, Turku University Centre for Materials and Surfaces (MatSurf), Vatselankatu 2, FI-20014 Turku, Finland.
| | - Ulrich Scheler
- Leibniz-Institut für, University of Turku, D-01069 Dresden, Germany
| | - Carita Kvarnström
- Department of Chemistry, Turku University Centre for Materials and Surfaces (MatSurf), Vatselankatu 2, FI-20014 Turku, Finland.
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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: 48] [Impact Index Per Article: 16.0] [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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5
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Kim D, Lim HJ, Ahn YG, Chua B, Son A. Development of non-equilibrium rapid replacement aptamer assay for ultra-fast detection of phthalic acid esters. Talanta 2020; 219:121216. [PMID: 32887117 DOI: 10.1016/j.talanta.2020.121216] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/12/2020] [Revised: 05/21/2020] [Accepted: 05/22/2020] [Indexed: 12/27/2022]
Abstract
In this paper, we developed a non-equilibrium rapid replacement aptamer (NERRA) assay that performed ultra-fast (in 30 s) quantitative detection of phthalic acid esters (PAEs) without waiting for the reaction to reach equilibrium. NERRA assay employed fluorescence PoPo3 dye intercalated in an ssDNA aptamer to selectively detect and quantify the PAEs in water. As the intercalated dye was replaced by the PAEs and quenched in the water, the rate of fluorescence change became proportional to PAEs concentration. The sensitivity of NERRA assay was first evaluated with a commercial spectrofluorometer. The selectivity for PAE mixture, individual PAEs, and non-phthalate compounds were also investigated. NERRA assay was also able to quantitatively detect the PAEs in a common plastic product (picnic mat), and the results were compared with those of gas chromatography mass spectrometry. Finally, a custom analyzer (8.5 cm × 8.5 cm × 16.5 cm) was built to demonstrate the portability of the NERRA assay. Using a commercial spectrofluorometer, NERRA assay was able to quantitatively detect a PAE mixture in 30 min with an LOQ of 0.1 μg/L. Using the portable custom analyzer, the detection time was shortened to 30 s with a tradeoff in the LOQ (1 μg/L). In both cases, the LOQs remain within the environmentally relevant PAE concentrations of 0.1-1472 μg/L.
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Affiliation(s)
- Dabin Kim
- Department of Environmental Science and Engineering, Ewha Womans University, Seoul, 03760, Republic of Korea
| | - Hyun Jeong Lim
- Department of Environmental Science and Engineering, Ewha Womans University, Seoul, 03760, Republic of Korea
| | - Yun Gyong Ahn
- Western Seoul Center, Korea Basic Science Institute, Seoul, 03760, Republic of Korea
| | - Beelee Chua
- School of Electrical Engineering, Korea University, Seoul, 02841, Republic of Korea.
| | - Ahjeong Son
- Department of Environmental Science and Engineering, Ewha Womans University, Seoul, 03760, Republic of Korea.
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6
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Lindgren M, Gederaas OA, Siksjø M, Hansen TA, Chen L, Mettra B, Andraud C, Monnereau C. Influence of Polymer Charge on the Localization and Dark- and Photo-Induced Toxicity of a Potential Type I Photosensitizer in Cancer Cell Models. Molecules 2020; 25:molecules25051127. [PMID: 32138280 PMCID: PMC7179247 DOI: 10.3390/molecules25051127] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/18/2020] [Revised: 02/26/2020] [Accepted: 02/28/2020] [Indexed: 01/02/2023] Open
Abstract
A current trend within photo-dynamic therapy (PDT) is the development of molecular systems targeting hypoxic tumors. Thus, type I PDT sensitizers could here overcome traditional type II molecular systems that rely on the photo-initiated production of toxic singlet oxygen. Here, we investigate the cell localization properties and toxicity of two polymeric anthracene-based fluorescent probes (neutral Ant-PHEA and cationic Ant-PIm). The cell death and DNA damage of Chinese hamster ovary cancer cells (CHO-K1) were characterized as combining PDT, cell survival studies (MTT-assay), and comet assay. Confocal microscopy was utilized on samples incubated together with either DRAQ5, Lyso Tracker Red, or Mito Tracker Deep Red in order to map the localization of the sensitizer into the nucleus and other cell compartments. While Ant-PHEA did not cause significant damage to the cell, Ant-PIm showed increased cell death upon illumination, at the cost of a significant dark toxicity. Both anthracene chromophores localized in cell compartments of the cytosol. Ant-PIm showed a markedly improved selectivity toward lysosomes and mitochondria, two important biological compartments for the cell’s survival. None of the two anthracene chromophores showed singlet oxygen formation upon excitation in solvents such as deuterium oxide or methanol. Conclusively, the significant photo-induced cell death that could be observed with Ant-PIm suggests a possible type I PDT mechanism rather than the usual type II mechanism.
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Affiliation(s)
- Mikael Lindgren
- Department of Physics, Faculty of Natural Sciences, Norwegian University of Science and Technology, Gløshaugen, NO-7491 Trondheim, Norway; (O.A.G.); (M.S.); (T.A.H.)
- Correspondence: ; Tel.: +47-414-66-510
| | - Odrun A. Gederaas
- Department of Physics, Faculty of Natural Sciences, Norwegian University of Science and Technology, Gløshaugen, NO-7491 Trondheim, Norway; (O.A.G.); (M.S.); (T.A.H.)
- Department of Clinical and Molecular Medicine, Faculty of Medicine and Health Sciences, Norwegian University of Science and Technology, Laboratoriesentret 5, NO-7491 Trondheim, Norway
| | - Monica Siksjø
- Department of Physics, Faculty of Natural Sciences, Norwegian University of Science and Technology, Gløshaugen, NO-7491 Trondheim, Norway; (O.A.G.); (M.S.); (T.A.H.)
| | - Tom A. Hansen
- Department of Physics, Faculty of Natural Sciences, Norwegian University of Science and Technology, Gløshaugen, NO-7491 Trondheim, Norway; (O.A.G.); (M.S.); (T.A.H.)
| | - Lena Chen
- Laboratoire de Chimie, CNRS UMR 5182, ENS de Lyon, Université Lyon 1, F-69342 Lyon, France; (L.C.); (B.M.); (C.A.); (C.M.)
| | - Bastien Mettra
- Laboratoire de Chimie, CNRS UMR 5182, ENS de Lyon, Université Lyon 1, F-69342 Lyon, France; (L.C.); (B.M.); (C.A.); (C.M.)
| | - Chantal Andraud
- Laboratoire de Chimie, CNRS UMR 5182, ENS de Lyon, Université Lyon 1, F-69342 Lyon, France; (L.C.); (B.M.); (C.A.); (C.M.)
| | - Cyrille Monnereau
- Laboratoire de Chimie, CNRS UMR 5182, ENS de Lyon, Université Lyon 1, F-69342 Lyon, France; (L.C.); (B.M.); (C.A.); (C.M.)
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Saha U, Dolai M, Suresh Kumar G. Adaptable sensor for employing fluorometric detection of methanol molecules: theoretical aspects and DNA binding studies. NEW J CHEM 2019. [DOI: 10.1039/c9nj01018a] [Citation(s) in RCA: 19] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/06/2023]
Abstract
The multifunctional ligand NO2-H2SALNN has been synthesized and employed for the selective fluorometric detection of methanol and its interaction with DNA.
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Affiliation(s)
- Urmila Saha
- Biophysical Chemistry Laboratory
- Organic and Medicinal Chemistry Division
- CSIR-Indian Institute of Chemical Biology
- Kolkata 700 032
- India
| | - Malay Dolai
- Department of Chemistry
- Prabhat Kumar College
- Purba Medinipur 721404
- India
| | - Gopinatha Suresh Kumar
- Biophysical Chemistry Laboratory
- Organic and Medicinal Chemistry Division
- CSIR-Indian Institute of Chemical Biology
- Kolkata 700 032
- India
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Lim HJ, Kim AR, Yoon MY, You Y, Chua B, Son A. Development of quantum dot aptasensor and its portable analyzer for the detection of di-2-ethylhexyl phthalate. Biosens Bioelectron 2018; 121:1-9. [DOI: 10.1016/j.bios.2018.08.065] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/04/2018] [Revised: 08/24/2018] [Accepted: 08/27/2018] [Indexed: 01/01/2023]
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Dudek M, Deiana M, Pokladek Z, Pawlik K, Matczyszyn K. Reversible Photocontrol of DNA Melting by Visible-Light-Responsive F4-Coordinated Azobenzene Compounds. Chemistry 2018; 24:18963-18970. [PMID: 30198626 DOI: 10.1002/chem.201803529] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/10/2018] [Indexed: 12/23/2022]
Abstract
Spatiotemporal control over the regulation of intra- and intermolecular motions in naturally occurring systems is systematically studied to expand the toolbox of mechanical operations in multicomponent nanoarchitectures. DNA is ideally suited for programming light-powered processes that are based on a minimalist molecular design. Here, the noncovalent incorporation of bistable photoswitches into B-like DNA moieties is shown to trigger the thermal transition midpoint of the duplexes by converting visible light into directed mechanical work by orchestrating the collective actions of the photoresponsive chromophores and the host DNA nanostructures. Besides its practical applications, the resulting hybrid nanosystem bears unique features of modulability, biocompatibility, reversibility, and addressability, which are key components for developing molecular photon-controlled programmed materials.
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Affiliation(s)
- Marta Dudek
- Advanced Materials Engineering and Modelling Group, Faculty of Chemistry, Wroclaw University of Science and Technology, Wyb. Wyspianskiego 27, 50-370, Wroclaw, Poland
| | - Marco Deiana
- Advanced Materials Engineering and Modelling Group, Faculty of Chemistry, Wroclaw University of Science and Technology, Wyb. Wyspianskiego 27, 50-370, Wroclaw, Poland
| | - Ziemowit Pokladek
- Advanced Materials Engineering and Modelling Group, Faculty of Chemistry, Wroclaw University of Science and Technology, Wyb. Wyspianskiego 27, 50-370, Wroclaw, Poland
| | - Krzysztof Pawlik
- Ludwik Hirszfeld Institute of Immunology and Experimental Therapy, Polish Academy of Sciences, Rudolfa Weigla 12, 53-114, Wroclaw, Poland
| | - Katarzyna Matczyszyn
- Advanced Materials Engineering and Modelling Group, Faculty of Chemistry, Wroclaw University of Science and Technology, Wyb. Wyspianskiego 27, 50-370, Wroclaw, Poland
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10
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Das S, Mukhopadhyay S, Chatterjee S, Devi PS, Suresh Kumar G. Fluorescent ZnO-Au Nanocomposite as a Probe for Elucidating Specificity in DNA Interaction. ACS OMEGA 2018; 3:7494-7507. [PMID: 30087915 PMCID: PMC6068853 DOI: 10.1021/acsomega.7b02096] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/31/2017] [Accepted: 05/08/2018] [Indexed: 05/10/2023]
Abstract
In this work, we report the interaction of a fluorescent ZnO-Au nanocomposite with deoxyribonucleic acid (DNA), leading to AT-specific DNA interaction, which is hitherto not known. For this study, three natural double-stranded (ds) DNAs having different AT:GC compositions were chosen and a ZnO-Au nanocomposite has been synthesized by anchoring a glutathione-protected gold nanocluster on the surface of egg-shell-membrane (ESM)-based ZnO nanoparticles. The ESM-based bare ZnO nanoparticles did not show any selective interaction toward DNA, whereas intrinsic fluorescence of the ZnO-Au nanocomposite shows an appreciable blue shift (Δλmax = 18 nm) in the luminescence wavelength of 520 nm in the presence of ds calf thymus (CT) DNA over other studied DNAs. In addition, the interaction of the nanocomposite through fluorescence studies with single-stranded (ss) CT DNA, synthetic polynucleotides, and nucleobases/nucleotides (adenine, thymine, deoxythymidine monophosphate, deoxyadenosine monophosphate) was also undertaken to delineate the specificity in interaction. A minor blue shift (Δλmax = 5 nm) in the emission wavelength at 520 nm was observed for single-stranded CT DNA, suggesting the proficiency of the nanocomposite for discriminating ss and ds CT DNA. More importantly, fluorescence signals from the nano-bio-interaction could be measured directly without any modification of the target, which is the foremost advantage emanated from this study compared with other previous reports. The AT base-pair-induced enhancement was also found to be highest for the melting temperature of CT DNA (ΔTmCT = 6.7 °C). Furthermore, spectropolarimetric experiments followed by calorimetric analysis provided evidence for specificity in AT-rich DNA interaction. This study would lead to establish the fluorescent ZnO-Au nanocomposite as a probe for nanomaterial-based DNA-binding study, featuring its specific interaction toward AT-rich DNA.
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Affiliation(s)
- Sumita Das
- Sensor
and Actuator Division, CSIR-Central Glass
and Ceramic Research Institute, Kolkata 700032, India
| | - Soumita Mukhopadhyay
- Sensor
and Actuator Division, CSIR-Central Glass
and Ceramic Research Institute, Kolkata 700032, India
| | - Sabyasachi Chatterjee
- Biophysical
Chemistry Laboratory, Organic and Medicinal Chemistry Division, CSIR-Indian Institute of Chemical Biology, Kolkata 700032, India
| | - Parukuttyamma Sujatha Devi
- Sensor
and Actuator Division, CSIR-Central Glass
and Ceramic Research Institute, Kolkata 700032, India
- E-mail: , . Phone: +91-33-2483
8082. Fax: 91-33-2473 0957
| | - Gopinatha Suresh Kumar
- Biophysical
Chemistry Laboratory, Organic and Medicinal Chemistry Division, CSIR-Indian Institute of Chemical Biology, Kolkata 700032, India
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11
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Dudek M, Deiana M, Pokladek Z, Mlynarz P, Samoc M, Matczyszyn K. Light-driven chiroptical photoswitchable DNA assemblies mediated by bioinspired photoresponsive molecules. NANOSCALE 2018; 10:11302-11306. [PMID: 29892748 DOI: 10.1039/c8nr01784k] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/22/2023]
Abstract
We show that the incorporation of chiral bioinspired photochromic compounds into inherently chiral DNA matrices enables the building of smart nanoscale photoswitchable chiroptical assemblies tunable over a wide range of wavelengths. Moreover, the use of light as external trigger affords precise control of the resulting hybrid DNA nanostructures, and their chiroptical activities can be spatially modulated without photochemical fatigue.
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Affiliation(s)
- Marta Dudek
- Advanced Materials Engineering and Modelling Group, Faculty of Chemistry, Wroclaw University of Science and Technology, Wyb. Wyspianskiego 27, 50-370 Wroclaw, Poland.
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12
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Bhowmick R, Islam ASM, Saha U, Suresh Kumar G, Ali M. Rhodamine based turn-on chemosensor for Fe3+ in aqueous medium and interactions of its Fe3+ complex with DNA. NEW J CHEM 2018. [DOI: 10.1039/c7nj04505k] [Citation(s) in RCA: 18] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/21/2023]
Abstract
A novel di-coordinating rhodamine-based chemosensor, HL with NO donor atoms, selectively and rapidly recognizes Fe3+ in the presence of all biologically relevant as well as toxic metal ions and numerous anions and also with other reactive oxygen and nitrogen species.
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Affiliation(s)
- Rahul Bhowmick
- Department of Chemistry, Jadavpur University
- Kolkata
- India
| | | | - Urmila Saha
- Organic & Medicinal Chemistry Division, CSIR-Indian Institute of Chemical Biology
- Kolkata-700032
- India
| | - Gopinatha Suresh Kumar
- Organic & Medicinal Chemistry Division, CSIR-Indian Institute of Chemical Biology
- Kolkata-700032
- India
| | - Mahammad Ali
- Department of Chemistry, Jadavpur University
- Kolkata
- India
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13
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Deiana M, Mettra B, Martinez-Fernandez L, Mazur LM, Pawlik K, Andraud C, Samoc M, Improta R, Monnereau C, Matczyszyn K. Specific Recognition of G-Quadruplexes Over Duplex-DNA by a Macromolecular NIR Two-Photon Fluorescent Probe. J Phys Chem Lett 2017; 8:5915-5920. [PMID: 29148817 DOI: 10.1021/acs.jpclett.7b02547] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 05/22/2023]
Abstract
The implication of guanine-rich DNA sequences in biologically important roles such as telomerase dysfunction and the regulation of gene expression has prompted the search for structure-specific G-quadruplex agents for targeted diagnostic and therapeutic applications. Herein, we report on a near-infrared (NIR) two-photon poly(cationic) anthracene-based macromolecule able to selectively target G-quadruplexes (G4s) over genomic double-stranded DNA. In particular, the striking changes in its linear and third-order nonlinear optical properties, combined with the emergence of a strong induced electronic circular dichroism (ECD) signal upon binding to canonical and noncanonical DNA secondary structures allowed for a highly specific detection of several different G4s. Furthermore, through a detailed computational analysis we bring compelling evidence that our probe intercalation within G4s is a thermodynamically favored event, and we fully rationalize the spectroscopic evolution resulting from this complexation event by providing a reasonable explanation regarding the origin of the peculiar ECD effect that accompanies it.
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Affiliation(s)
- Marco Deiana
- Advanced Materials Engineering and Modelling Group, Faculty of Chemistry, Wroclaw University of Science and Technology , Wybrzeze Wyspianskiego 27, 50-370 Wroclaw, Poland
| | - Bastien Mettra
- Université Lyon, ENS de Lyon, CNRS UMR 5182, Université Lyon 1 , Laboratoire de Chimie, F69342, Lyon, France
| | - Lara Martinez-Fernandez
- Consiglio Nazionale delle Ricerche, Istituto di Biostrutture e Bioimmagini , 80134 Naples, Italy
- LIDYL, CEA, CNRS, Université Paris-Saclay , F-91191 Gif-sur-Yvette, France
| | - Leszek M Mazur
- Advanced Materials Engineering and Modelling Group, Faculty of Chemistry, Wroclaw University of Science and Technology , Wybrzeze Wyspianskiego 27, 50-370 Wroclaw, Poland
| | - Krzysztof Pawlik
- Ludwik Hirszfeld Institute of Immunology and Experimental Therapy, Polish Academy of Sciences , Rudolfa Weigla 12, 53-114 Wroclaw, Poland
| | - Chantal Andraud
- Université Lyon, ENS de Lyon, CNRS UMR 5182, Université Lyon 1 , Laboratoire de Chimie, F69342, Lyon, France
| | - Marek Samoc
- Advanced Materials Engineering and Modelling Group, Faculty of Chemistry, Wroclaw University of Science and Technology , Wybrzeze Wyspianskiego 27, 50-370 Wroclaw, Poland
| | - Roberto Improta
- Consiglio Nazionale delle Ricerche, Istituto di Biostrutture e Bioimmagini , 80134 Naples, Italy
- LIDYL, CEA, CNRS, Université Paris-Saclay , F-91191 Gif-sur-Yvette, France
| | - Cyrille Monnereau
- Université Lyon, ENS de Lyon, CNRS UMR 5182, Université Lyon 1 , Laboratoire de Chimie, F69342, Lyon, France
| | - Katarzyna Matczyszyn
- Advanced Materials Engineering and Modelling Group, Faculty of Chemistry, Wroclaw University of Science and Technology , Wybrzeze Wyspianskiego 27, 50-370 Wroclaw, Poland
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14
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Deiana M, Mettra B, Mazur LM, Andraud C, Samoc M, Monnereau C, Matczyszyn K. Two-Photon Macromolecular Probe Based on a Quadrupolar Anthracenyl Scaffold for Sensitive Recognition of Serum Proteins under Simulated Physiological Conditions. ACS OMEGA 2017; 2:5715-5725. [PMID: 30023750 PMCID: PMC6045344 DOI: 10.1021/acsomega.7b00665] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/25/2017] [Accepted: 06/28/2017] [Indexed: 05/13/2023]
Abstract
The binding interaction of a biocompatible water-soluble polycationic two-photon fluorophore (Ant-PIm) toward human serum albumin (HSA) was thoroughly investigated under simulated physiological conditions using a combination of steady-state, time-resolved, and two-photon excited fluorescence techniques. The emission properties of both Ant-PIm and the fluorescent amino acid residues in HSA undergo remarkable changes upon complexation allowing the thermodynamic profile associated with Ant-PIm-HSA complexation to be accurately established. The marked increase in Ant-PIm fluorescence intensity and quantum yield in the proteinous environment seems to be the outcome of the attenuation of radiationless decay pathways resulting from motional restriction imposed on the fluorophore. Fluorescence resonance energy transfer and site-marker competitive experiments provide conclusive evidence that the binding of Ant-PIm preferentially occurs within the subdomain IIA. The pronounced hypsochromic effect and increased fluorescence enhancement upon association with HSA, compared to that of bovine serum albumin (BSA) and other biological interferents, makes the polymeric Ant-PIm probe a valuable sensing agent in rather complex biological environments, allowing facile discrimination between the closely related HSA and BSA. Furthermore, the strong two-photon absorption (TPA) with a maximum located at 820 nm along with a TPA cross section σ2 > 800 GM, and the marked changes in the position and intensity of the band upon complexation definitely make Ant-PIm a promising probe for two-photon excited fluorescence-based discrimination of HSA from BSA.
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Affiliation(s)
- Marco Deiana
- Advanced
Materials Engineering and Modelling Group, Faculty of Chemistry, Wroclaw University of Science and Technology, Wyb. Wyspianskiego 27, 50-370 Wroclaw, Poland
| | - Bastien Mettra
- Univ
Lyon, Ens de Lyon, CNRS UMR 5182, Université Lyon 1, Laboratoire de Chimie, F69342 Lyon, France
| | - Leszek M. Mazur
- Advanced
Materials Engineering and Modelling Group, Faculty of Chemistry, Wroclaw University of Science and Technology, Wyb. Wyspianskiego 27, 50-370 Wroclaw, Poland
| | - Chantal Andraud
- Univ
Lyon, Ens de Lyon, CNRS UMR 5182, Université Lyon 1, Laboratoire de Chimie, F69342 Lyon, France
| | - Marek Samoc
- Advanced
Materials Engineering and Modelling Group, Faculty of Chemistry, Wroclaw University of Science and Technology, Wyb. Wyspianskiego 27, 50-370 Wroclaw, Poland
| | - Cyrille Monnereau
- Univ
Lyon, Ens de Lyon, CNRS UMR 5182, Université Lyon 1, Laboratoire de Chimie, F69342 Lyon, France
| | - Katarzyna Matczyszyn
- Advanced
Materials Engineering and Modelling Group, Faculty of Chemistry, Wroclaw University of Science and Technology, Wyb. Wyspianskiego 27, 50-370 Wroclaw, Poland
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15
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Parafiniuk K, Monnereau C, Sznitko L, Mettra B, Zelechowska M, Andraud C, Miniewicz A, Mysliwiec J. Distributed Feedback Lasing in Amorphous Polymers with Covalently Bonded Fluorescent Dyes: The Influence of Photoisomerization Process. Macromolecules 2017. [DOI: 10.1021/acs.macromol.7b00878] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Affiliation(s)
- Kacper Parafiniuk
- Advanced
Materials Engineering and Modelling Group, Faculty of Chemistry, Wroclaw University of Science and Technology, Wybrzeze Wyspianskiego 27, 50-370 Wroclaw, Poland
| | - Cyrille Monnereau
- ENS
de Lyon, CNRS UMR 5182, Université Lyon 1, Laboratoire de Chimie, Univ Lyon, F69342 Lyon, France
| | - Lech Sznitko
- Advanced
Materials Engineering and Modelling Group, Faculty of Chemistry, Wroclaw University of Science and Technology, Wybrzeze Wyspianskiego 27, 50-370 Wroclaw, Poland
| | - Bastien Mettra
- ENS
de Lyon, CNRS UMR 5182, Université Lyon 1, Laboratoire de Chimie, Univ Lyon, F69342 Lyon, France
| | - Monika Zelechowska
- Advanced
Materials Engineering and Modelling Group, Faculty of Chemistry, Wroclaw University of Science and Technology, Wybrzeze Wyspianskiego 27, 50-370 Wroclaw, Poland
| | - Chantal Andraud
- ENS
de Lyon, CNRS UMR 5182, Université Lyon 1, Laboratoire de Chimie, Univ Lyon, F69342 Lyon, France
| | - Andrzej Miniewicz
- Advanced
Materials Engineering and Modelling Group, Faculty of Chemistry, Wroclaw University of Science and Technology, Wybrzeze Wyspianskiego 27, 50-370 Wroclaw, Poland
| | - Jaroslaw Mysliwiec
- Advanced
Materials Engineering and Modelling Group, Faculty of Chemistry, Wroclaw University of Science and Technology, Wybrzeze Wyspianskiego 27, 50-370 Wroclaw, Poland
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16
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Deiana M, Pokladek Z, Ziemianek M, Tarnowicz N, Mlynarz P, Samoc M, Matczyszyn K. Probing the binding mechanism of photoresponsive azobenzene polyamine derivatives with human serum albumin. RSC Adv 2017. [DOI: 10.1039/c6ra26033k] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022] Open
Abstract
Representative scheme showing the binding pathway of light-responsive azobenzenes towards human serum albumin.
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Affiliation(s)
- M. Deiana
- Advanced Materials Engineering and Modelling Group
- Faculty of Chemistry
- Wroclaw University of Science and Technology
- 50-370 Wroclaw
- Poland
| | - Z. Pokladek
- Department of Bioorganic Chemistry
- Faculty of Chemistry
- Wroclaw University of Science and Technology
- 50-370 Wroclaw
- Poland
| | - M. Ziemianek
- Department of Bioorganic Chemistry
- Faculty of Chemistry
- Wroclaw University of Science and Technology
- 50-370 Wroclaw
- Poland
| | - N. Tarnowicz
- Advanced Materials Engineering and Modelling Group
- Faculty of Chemistry
- Wroclaw University of Science and Technology
- 50-370 Wroclaw
- Poland
| | - P. Mlynarz
- Department of Bioorganic Chemistry
- Faculty of Chemistry
- Wroclaw University of Science and Technology
- 50-370 Wroclaw
- Poland
| | - M. Samoc
- Advanced Materials Engineering and Modelling Group
- Faculty of Chemistry
- Wroclaw University of Science and Technology
- 50-370 Wroclaw
- Poland
| | - K. Matczyszyn
- Advanced Materials Engineering and Modelling Group
- Faculty of Chemistry
- Wroclaw University of Science and Technology
- 50-370 Wroclaw
- Poland
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17
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Deiana M, Pokladek Z, Matczyszyn K, Mlynarz P, Buckle M, Samoc M. Effective control of the intrinsic DNA morphology by photosensitive polyamines. J Mater Chem B 2017; 5:1028-1038. [DOI: 10.1039/c6tb02732f] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
Abstract
Changes occurring in the intrinsic B-DNA morphology upon binding to molecular photoswitches.
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Affiliation(s)
- M. Deiana
- Advanced Materials Engineering and Modelling Group
- Faculty of Chemistry
- Wroclaw University of Science and Technology
- 50-370 Wroclaw
- Poland
| | - Z. Pokladek
- Department of Bioorganic Chemistry
- Faculty of Chemistry
- Wroclaw University of Science and Technology
- 50-370 Wroclaw
- Poland
| | - K. Matczyszyn
- Advanced Materials Engineering and Modelling Group
- Faculty of Chemistry
- Wroclaw University of Science and Technology
- 50-370 Wroclaw
- Poland
| | - P. Mlynarz
- Department of Bioorganic Chemistry
- Faculty of Chemistry
- Wroclaw University of Science and Technology
- 50-370 Wroclaw
- Poland
| | - M. Buckle
- LBPA
- ENS Cachan
- CNRS Université Paris-Saclay
- Cachan
- France
| | - M. Samoc
- Advanced Materials Engineering and Modelling Group
- Faculty of Chemistry
- Wroclaw University of Science and Technology
- 50-370 Wroclaw
- Poland
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18
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Deiana M, Pokladek Z, Dudek M, Mucha SG, Mazur LM, Pawlik K, Mlynarz P, Samoc M, Matczyszyn K. Remote-control of the enantiomeric supramolecular recognition mediated by chiral azobenzenes bound to human serum albumin. Phys Chem Chem Phys 2017; 19:21272-21275. [DOI: 10.1039/c7cp03336b] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/03/2023]
Abstract
Chirooptical photoswitchable assemblies were obtained by incorporating photochromic units based on azobenzene motif into a human serum albumin scaffold.
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Affiliation(s)
- M. Deiana
- Advanced Materials Engineering and Modelling Group
- Faculty of Chemistry
- Wroclaw University of Science and Technology
- 50-370 Wroclaw
- Poland
| | - Z. Pokladek
- Advanced Materials Engineering and Modelling Group
- Faculty of Chemistry
- Wroclaw University of Science and Technology
- 50-370 Wroclaw
- Poland
| | - M. Dudek
- Advanced Materials Engineering and Modelling Group
- Faculty of Chemistry
- Wroclaw University of Science and Technology
- 50-370 Wroclaw
- Poland
| | - S. G. Mucha
- Advanced Materials Engineering and Modelling Group
- Faculty of Chemistry
- Wroclaw University of Science and Technology
- 50-370 Wroclaw
- Poland
| | - L. M. Mazur
- Advanced Materials Engineering and Modelling Group
- Faculty of Chemistry
- Wroclaw University of Science and Technology
- 50-370 Wroclaw
- Poland
| | - K. Pawlik
- Ludwik Hirszfeld Institute of Immunology and Experimental Therapy
- Polish Academy of Sciences
- 53-114 Wroclaw
- Poland
| | - P. Mlynarz
- Department of Bioorganic Chemistry
- Faculty of Chemistry
- Wroclaw University of Science and Technology
- 50-370 Wroclaw
- Poland
| | - M. Samoc
- Advanced Materials Engineering and Modelling Group
- Faculty of Chemistry
- Wroclaw University of Science and Technology
- 50-370 Wroclaw
- Poland
| | - K. Matczyszyn
- Advanced Materials Engineering and Modelling Group
- Faculty of Chemistry
- Wroclaw University of Science and Technology
- 50-370 Wroclaw
- Poland
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19
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Deiana M, Mettra B, Matczyszyn K, Pitrat D, Olesiak-Banska J, Monnereau C, Andraud C, Samoc M. Unravelling the Binding Mechanism of a Poly(cationic) Anthracenyl Fluorescent Probe with High Affinity toward Double-Stranded DNA. Biomacromolecules 2016; 17:3609-3618. [DOI: 10.1021/acs.biomac.6b01113] [Citation(s) in RCA: 19] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
Affiliation(s)
- Marco Deiana
- Advanced
Materials Engineering and Modelling Group, Faculty of Chemistry, Wroclaw University of Science and Technology, Wybrzeze Wyspianskiego 27, 50-370 Wroclaw, Poland
| | - Bastien Mettra
- Laboratoire
de Chimie, CNRS UMR 5182, Ecole Normale Supérieure de Lyon, Université Lyon 1, 69007 Lyon, France
| | - Katarzyna Matczyszyn
- Advanced
Materials Engineering and Modelling Group, Faculty of Chemistry, Wroclaw University of Science and Technology, Wybrzeze Wyspianskiego 27, 50-370 Wroclaw, Poland
| | - Delphine Pitrat
- Laboratoire
de Chimie, CNRS UMR 5182, Ecole Normale Supérieure de Lyon, Université Lyon 1, 69007 Lyon, France
| | - Joanna Olesiak-Banska
- Advanced
Materials Engineering and Modelling Group, Faculty of Chemistry, Wroclaw University of Science and Technology, Wybrzeze Wyspianskiego 27, 50-370 Wroclaw, Poland
| | - Cyrille Monnereau
- Laboratoire
de Chimie, CNRS UMR 5182, Ecole Normale Supérieure de Lyon, Université Lyon 1, 69007 Lyon, France
| | - Chantal Andraud
- Laboratoire
de Chimie, CNRS UMR 5182, Ecole Normale Supérieure de Lyon, Université Lyon 1, 69007 Lyon, France
| | - Marek Samoc
- Advanced
Materials Engineering and Modelling Group, Faculty of Chemistry, Wroclaw University of Science and Technology, Wybrzeze Wyspianskiego 27, 50-370 Wroclaw, Poland
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20
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Deiana M, Pokladek Z, Olesiak-Banska J, Młynarz P, Samoc M, Matczyszyn K. Photochromic switching of the DNA helicity induced by azobenzene derivatives. Sci Rep 2016; 6:28605. [PMID: 27339811 PMCID: PMC4919647 DOI: 10.1038/srep28605] [Citation(s) in RCA: 33] [Impact Index Per Article: 4.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/05/2016] [Accepted: 06/03/2016] [Indexed: 01/08/2023] Open
Abstract
The photochromic properties of azobenzene, involving conformational changes occurring upon interaction with light, provide an excellent tool to establish new ways of selective regulation applied to biosystems. We report here on the binding of two water-soluble 4-(phenylazo)benzoic acid derivatives (Azo-2N and Azo-3N) with double stranded DNA and demonstrate that the photoisomerization of Azo-3N leads to changes in DNA structure. In particular, we show that stabilization and destabilization of the B-DNA secondary structure can be photochemically induced in situ by light. This photo-triggered process is fully reversible and could be an alternative pathway to control a broad range of biological processes. Moreover, we found that the bicationic Azo-3N exhibited a higher DNA-binding constant than the monocationic Azo-2N pointing out that the number of positive charges along the photosensitive polyamines chain plays a pivotal role in stabilizing the photochrome-DNA complex.
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Affiliation(s)
- Marco Deiana
- Advanced Materials Engineering and Modelling Group, Faculty of Chemistry, Wroclaw University of Science and Technology, Wyb. Wyspianskiego 27, 50-370 Wroclaw, Poland
| | - Ziemowit Pokladek
- Department of Bioorganic Chemistry, Faculty of Chemistry, Wroclaw University of Science and Technology, Wyb. Wyspianskiego 27, 50-370 Wroclaw, Poland
| | - Joanna Olesiak-Banska
- Advanced Materials Engineering and Modelling Group, Faculty of Chemistry, Wroclaw University of Science and Technology, Wyb. Wyspianskiego 27, 50-370 Wroclaw, Poland
| | - Piotr Młynarz
- Department of Bioorganic Chemistry, Faculty of Chemistry, Wroclaw University of Science and Technology, Wyb. Wyspianskiego 27, 50-370 Wroclaw, Poland
| | - Marek Samoc
- Advanced Materials Engineering and Modelling Group, Faculty of Chemistry, Wroclaw University of Science and Technology, Wyb. Wyspianskiego 27, 50-370 Wroclaw, Poland
| | - Katarzyna Matczyszyn
- Advanced Materials Engineering and Modelling Group, Faculty of Chemistry, Wroclaw University of Science and Technology, Wyb. Wyspianskiego 27, 50-370 Wroclaw, Poland
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21
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Eissa IH, El-Naggar AM, El-Hashash MA. Design, synthesis, molecular modeling and biological evaluation of novel 1H-pyrazolo[3,4-b]pyridine derivatives as potential anticancer agents. Bioorg Chem 2016; 67:43-56. [PMID: 27253830 DOI: 10.1016/j.bioorg.2016.05.006] [Citation(s) in RCA: 95] [Impact Index Per Article: 11.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/08/2016] [Revised: 05/18/2016] [Accepted: 05/19/2016] [Indexed: 11/16/2022]
Abstract
In trying to develop new anticancer agents, a series of 1H-pyrazolo[3,4-b]pyridine derivatives was designed and synthesized. Fifteen compounds were evaluated in vitro for their anti-proliferative activity against HePG-2, MCF-7, HCT-116, and PC-3 cell lines. Additionally, DNA binding affinity of the synthesized derivatives was investigated as a potential mechanism for the anticancer activity using DNA/methyl green assay and association constants assay. Compounds 19, 20, 21, 24 and 25 exhibited good activity against the four cancer cells comparable to that of doxorubicin. Interestingly, DNA binding assay results were in agreement with that of the cytotoxicity assays where the most potent anticancer compounds showed good DNA binding affinity comparable to that of doxorubicin and daunorubicin. Furthermore, a molecular docking of the tested compounds was carried out to investigate their binding pattern with the prospective target, DNA (PDB-code: 152d).
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Affiliation(s)
- Ibrahim H Eissa
- Pharmaceutical Chemistry Department, Faculty of Pharmacy (Boys), Al-Azhar University, Cairo 11884, Egypt.
| | - Abeer M El-Naggar
- Chemistry Department, Faculty of Science, Ain Shams University, Abbassiya, Cairo 11566, Egypt
| | - Maher A El-Hashash
- Chemistry Department, Faculty of Science, Ain Shams University, Abbassiya, Cairo 11566, Egypt
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