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Mikulich AV, Plavskii VY, Tretyakova AI, Nahorny RK, Sobchuk AN, Dudchik NV, Emeliyanova OA, Zhabrouskaya AI, Plavskaya LG, Ananich TS, Dudinova ON, Leusenka IA, Yakimchuk SV, Svechko AD, Tien TQ, Tong QC, Nguyen TP. Potential of using medicinal plant extracts as photosensitizers for antimicrobial photodynamic therapy. Photochem Photobiol 2024. [PMID: 38456366 DOI: 10.1111/php.13935] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/24/2023] [Revised: 02/26/2024] [Accepted: 02/27/2024] [Indexed: 03/09/2024]
Abstract
Antimicrobial photodynamic therapy (APDT) is a promising approach to overcome antimicrobial resistance. However, for widespread implementation of this approach, approved photosensitizers are needed. In this study, we used commercially available preparations (Calendulae officinalis floridis extract, Chamomillae recutitae floridis extract, Achillea millefolii herbae extract; Hypericum perforatum extract; Eucalyptus viminalis folia extract) as photosensitizers for inactivation of gram-negative (Pseudomonas aeruginosa) and gram-positive (Staphylococcus aureus) bacteria. Spectral-luminescent analysis has shown that the major chromophores are of chlorophyll (mainly chlorophyll a and b) and hypericin nature. The extracts are efficient generators of singlet oxygen with quantum yield (γΔ ) from 0.40 to 0.64 (reference compound, methylene blue with γΔ = 0.52). In APDT assays, bacteria before irradiation were incubated with extracts for 30 min. After irradiation and 24 h of incubation, colony-forming units (CFU) were counted. Upon exposure of P. aeruginosa to radiation of 405 nm, 590 nm, and 660 nm at equal energy dose of 30 J/cm2 (irradiance - 100 mW/cm2 , exposure time - 5 min), the most pronounced effect is observed with blue light (>3 log10 reduction); in case of S. aureus, the effect is approximately equivalent for light of indicated wavelengths and dose (>4 log10 reduction).
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Affiliation(s)
- Aliaksandr V Mikulich
- State Scientific Institution "B.I. Stepanov Institute of Physics of the National Academy of Sciences of Belarus", Minsk, Republic of Belarus
| | - Vitaly Yu Plavskii
- State Scientific Institution "B.I. Stepanov Institute of Physics of the National Academy of Sciences of Belarus", Minsk, Republic of Belarus
| | - Antonina I Tretyakova
- State Scientific Institution "B.I. Stepanov Institute of Physics of the National Academy of Sciences of Belarus", Minsk, Republic of Belarus
| | - Raman K Nahorny
- State Scientific Institution "B.I. Stepanov Institute of Physics of the National Academy of Sciences of Belarus", Minsk, Republic of Belarus
| | - Andrey N Sobchuk
- State Scientific Institution "B.I. Stepanov Institute of Physics of the National Academy of Sciences of Belarus", Minsk, Republic of Belarus
| | - Natalia V Dudchik
- Republican Unitary Enterprise «Scientific Practical Centre of Hygiene», Minsk, Republic of Belarus
| | - Olga A Emeliyanova
- Republican Unitary Enterprise «Scientific Practical Centre of Hygiene», Minsk, Republic of Belarus
| | - Anastasia I Zhabrouskaya
- Republican Unitary Enterprise «Scientific Practical Centre of Hygiene», Minsk, Republic of Belarus
| | - Ludmila G Plavskaya
- State Scientific Institution "B.I. Stepanov Institute of Physics of the National Academy of Sciences of Belarus", Minsk, Republic of Belarus
| | - Tatsiana S Ananich
- State Scientific Institution "B.I. Stepanov Institute of Physics of the National Academy of Sciences of Belarus", Minsk, Republic of Belarus
| | - Olga N Dudinova
- State Scientific Institution "B.I. Stepanov Institute of Physics of the National Academy of Sciences of Belarus", Minsk, Republic of Belarus
| | - Ihar A Leusenka
- State Scientific Institution "B.I. Stepanov Institute of Physics of the National Academy of Sciences of Belarus", Minsk, Republic of Belarus
| | - Sergey V Yakimchuk
- State Scientific Institution "B.I. Stepanov Institute of Physics of the National Academy of Sciences of Belarus", Minsk, Republic of Belarus
| | - Alexei D Svechko
- State Scientific Institution "B.I. Stepanov Institute of Physics of the National Academy of Sciences of Belarus", Minsk, Republic of Belarus
| | - Tran Quoc Tien
- Institute of Materials Science, Vietnam Academy of Science and Technology, Hanoi, Vietnam
| | - Quang Cong Tong
- Institute of Materials Science, Vietnam Academy of Science and Technology, Hanoi, Vietnam
| | - Thanh Phuong Nguyen
- School of Engineering Physics, Hanoi University of Science and Technology, Hanoi, Vietnam
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2
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Moura NMM, Moreira X, Da Silva ES, Faria JL, Neves MGPMS, Almeida A, Faustino MAF, Gomes ATPC. Efficient Strategies to Use β-Cationic Porphyrin-Imidazolium Derivatives in the Photoinactivation of Methicillin-Resistant Staphylococcus aureus. Int J Mol Sci 2023; 24:15970. [PMID: 37958951 PMCID: PMC10647407 DOI: 10.3390/ijms242115970] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/12/2023] [Revised: 10/27/2023] [Accepted: 11/02/2023] [Indexed: 11/15/2023] Open
Abstract
Bacterial resistance to antibiotics is a critical global health issue and the development of alternatives to conventional antibiotics is of the upmost relevance. Antimicrobial photodynamic therapy (aPDT) is considered a promising and innovative approach for the photoinactivation of microorganisms, particularly in cases where traditional antibiotics may be less effective due to resistance or other limitations. In this study, two β-modified monocharged porphyrin-imidazolium derivatives were efficiently incorporated into polyvinylpyrrolidone (PVP) formulations and supported into graphitic carbon nitride materials. Both porphyrin-imidazolium derivatives displayed remarkable photostability and the ability to generate cytotoxic singlet oxygen. These properties, which have an important impact on achieving an efficient photodynamic effect, were not compromised after incorporation/immobilization. The prepared PVP-porphyrin formulations and the graphitic carbon nitride-based materials displayed excellent performance as photosensitizers to photoinactivate methicillin-resistant Staphylococcus aureus (MRSA) (99.9999% of bacteria) throughout the antimicrobial photodynamic therapy. In each matrix, the most rapid action against S. aureus was observed when using PS 2. The PVP-2 formulation needed 10 min of exposure to white light at 5.0 µm, while the graphitic carbon nitride hybrid GCNM-2 required 20 min at 25.0 µm to achieve a similar level of response. These findings suggest the potential of graphitic carbon nitride-porphyrinic hybrids to be used in the environmental or clinical fields, avoiding the use of organic solvents, and might allow for their recovery after treatment, improving their applicability for bacteria photoinactivation.
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Affiliation(s)
- Nuno M. M. Moura
- LAQV-REQUIMTE, Department of Chemistry, University of Aveiro, Campus Universitário de Santiago, 3810-193 Aveiro, Portugal; (X.M.); (M.G.P.M.S.N.); (M.A.F.F.)
| | - Xavier Moreira
- LAQV-REQUIMTE, Department of Chemistry, University of Aveiro, Campus Universitário de Santiago, 3810-193 Aveiro, Portugal; (X.M.); (M.G.P.M.S.N.); (M.A.F.F.)
- Department of Biology and CESAM, University of Aveiro, Campus Universitário de Santiago, 3810-193 Aveiro, Portugal;
| | - Eliana Sousa Da Silva
- LSRE-LCM—Laboratory of Separation and Reaction Engineering-Laboratory of Catalysis and Materials, Faculty of Engineering, University of Porto, Rua Dr. Roberto Frias s/n, 4200-465 Porto, Portugal; (E.S.D.S.); (J.L.F.)
- ALiCE—Associate Laboratory in Chemical Engineering, Faculty of Engineering, University of Porto, Rua Dr. Roberto Frias, 4200-465 Porto, Portugal
| | - Joaquim Luís Faria
- LSRE-LCM—Laboratory of Separation and Reaction Engineering-Laboratory of Catalysis and Materials, Faculty of Engineering, University of Porto, Rua Dr. Roberto Frias s/n, 4200-465 Porto, Portugal; (E.S.D.S.); (J.L.F.)
- ALiCE—Associate Laboratory in Chemical Engineering, Faculty of Engineering, University of Porto, Rua Dr. Roberto Frias, 4200-465 Porto, Portugal
| | - Maria G. P. M. S. Neves
- LAQV-REQUIMTE, Department of Chemistry, University of Aveiro, Campus Universitário de Santiago, 3810-193 Aveiro, Portugal; (X.M.); (M.G.P.M.S.N.); (M.A.F.F.)
| | - Adelaide Almeida
- Department of Biology and CESAM, University of Aveiro, Campus Universitário de Santiago, 3810-193 Aveiro, Portugal;
| | - Maria A. F. Faustino
- LAQV-REQUIMTE, Department of Chemistry, University of Aveiro, Campus Universitário de Santiago, 3810-193 Aveiro, Portugal; (X.M.); (M.G.P.M.S.N.); (M.A.F.F.)
| | - Ana T. P. C. Gomes
- Department of Biology and CESAM, University of Aveiro, Campus Universitário de Santiago, 3810-193 Aveiro, Portugal;
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Mata AI, Pereira NAM, Cardoso AL, Nascimento BFO, Pineiro M, Schaberle FA, Gomes-da-Silva LC, Brito RMM, Pinho E Melo TMVD. Novel Foscan®-derived ring-fused chlorins for photodynamic therapy of cancer. Bioorg Med Chem 2023; 93:117443. [PMID: 37634417 DOI: 10.1016/j.bmc.2023.117443] [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: 06/20/2023] [Revised: 08/04/2023] [Accepted: 08/10/2023] [Indexed: 08/29/2023]
Abstract
Photodynamic therapy (PDT) is an established anticancer treatment that combines the use of a photosensitiser (PS) and a light source of a specific wavelength for the generation of reactive oxygen species (ROS) that are toxic to the tumour cells. Foscan® (mTHPC) is a clinically-approved chlorin used for the PDT treatment of advanced head and neck, prostate and pancreatic cancers but is characterized by being photochemically unstable and associated with prolonged skin photosensitivity. Herein, we report the synthesis of new 4,5,6,7-tetrahydropyrazolo[1,5-a]pyridine-fused chlorins, having the meso-tetra(3-hydroxyphenyl)macrocycle core of mTHPC, by exploring the [8π + 2π] cycloaddition of a meso-tetra(3-hydroxyphenyl)porphyrin derivative with diazafulvenium methides. These chlorins have photochemical properties similar to Foscan® but are much more photostable. Among the novel compounds, two chlorins with a hydroxymethyl group and its azide derivative present in the 4,5,6,7-tetrahydropyrazolo[1,5-a]pyridine-fused system, are promising photodynamic agents with activity in the 100 nM range against triple-negative breast cancer cells and, in the case of azidomethyl chlorin, a safer phototherapeutic index compared to Foscan®.
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Affiliation(s)
- Ana I Mata
- University of Coimbra, Coimbra Chemistry Center - Institute of Molecular Sciences (CQC-IMS) and Department of Chemistry, 3004-535 Coimbra, Portugal
| | - Nelson A M Pereira
- University of Coimbra, Coimbra Chemistry Center - Institute of Molecular Sciences (CQC-IMS) and Department of Chemistry, 3004-535 Coimbra, Portugal
| | - Ana L Cardoso
- University of Coimbra, Coimbra Chemistry Center - Institute of Molecular Sciences (CQC-IMS) and Department of Chemistry, 3004-535 Coimbra, Portugal
| | - Bruno F O Nascimento
- University of Coimbra, Coimbra Chemistry Center - Institute of Molecular Sciences (CQC-IMS) and Department of Chemistry, 3004-535 Coimbra, Portugal
| | - Marta Pineiro
- University of Coimbra, Coimbra Chemistry Center - Institute of Molecular Sciences (CQC-IMS) and Department of Chemistry, 3004-535 Coimbra, Portugal
| | - Fábio A Schaberle
- University of Coimbra, Coimbra Chemistry Center - Institute of Molecular Sciences (CQC-IMS) and Department of Chemistry, 3004-535 Coimbra, Portugal
| | - Lígia C Gomes-da-Silva
- University of Coimbra, Coimbra Chemistry Center - Institute of Molecular Sciences (CQC-IMS) and Department of Chemistry, 3004-535 Coimbra, Portugal
| | - Rui M M Brito
- University of Coimbra, Coimbra Chemistry Center - Institute of Molecular Sciences (CQC-IMS) and Department of Chemistry, 3004-535 Coimbra, Portugal; BSIM Therapeutics, Instituto Pedro Nunes, 3030-199 Coimbra, Portugal
| | - Teresa M V D Pinho E Melo
- University of Coimbra, Coimbra Chemistry Center - Institute of Molecular Sciences (CQC-IMS) and Department of Chemistry, 3004-535 Coimbra, Portugal.
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4
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Udrea AM, Smarandache A, Dinache A, Mares C, Nistorescu S, Avram S, Staicu A. Photosensitizers-Loaded Nanocarriers for Enhancement of Photodynamic Therapy in Melanoma Treatment. Pharmaceutics 2023; 15:2124. [PMID: 37631339 PMCID: PMC10460031 DOI: 10.3390/pharmaceutics15082124] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/22/2023] [Revised: 08/04/2023] [Accepted: 08/09/2023] [Indexed: 08/27/2023] Open
Abstract
Malignant melanoma poses a significant global health burden. It is the most aggressive and lethal form of skin cancer, attributed to various risk factors such as UV radiation exposure, genetic modifications, chemical carcinogens, immunosuppression, and fair complexion. Photodynamic therapy is a promising minimally invasive treatment that uses light to activate a photosensitizer, resulting in the formation of reactive oxygen species, which ultimately promote cell death. When selecting photosensitizers for melanoma photodynamic therapy, the presence of melanin should be considered. Melanin absorbs visible radiation similar to most photosensitizers and has antioxidant properties, which undermines the reactive species generated in photodynamic therapy processes. These characteristics have led to further research for new photosensitizing platforms to ensure better treatment results. The development of photosensitizers has advanced with the use of nanotechnology, which plays a crucial role in enhancing solubility, optical absorption, and tumour targeting. This paper reviews the current approaches (that use the synergistic effect of different photosensitizers, nanocarriers, chemotherapeutic agents) in the photodynamic therapy of melanoma.
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Affiliation(s)
- Ana Maria Udrea
- Lasers Department, National Institute for Lasers, Plasma and Radiation Physics, 409 Atomistilor Str., 077125 Magurele, Romania; (A.M.U.); (A.D.); (S.N.)
- Department of Anatomy, Animal Physiology and Biophysics, Faculty of Biology, University of Bucharest, 91-95 Splaiul Independentei, 050095 Bucharest, Romania; (C.M.); (S.A.)
| | - Adriana Smarandache
- Lasers Department, National Institute for Lasers, Plasma and Radiation Physics, 409 Atomistilor Str., 077125 Magurele, Romania; (A.M.U.); (A.D.); (S.N.)
| | - Andra Dinache
- Lasers Department, National Institute for Lasers, Plasma and Radiation Physics, 409 Atomistilor Str., 077125 Magurele, Romania; (A.M.U.); (A.D.); (S.N.)
| | - Catalina Mares
- Department of Anatomy, Animal Physiology and Biophysics, Faculty of Biology, University of Bucharest, 91-95 Splaiul Independentei, 050095 Bucharest, Romania; (C.M.); (S.A.)
| | - Simona Nistorescu
- Lasers Department, National Institute for Lasers, Plasma and Radiation Physics, 409 Atomistilor Str., 077125 Magurele, Romania; (A.M.U.); (A.D.); (S.N.)
| | - Speranta Avram
- Department of Anatomy, Animal Physiology and Biophysics, Faculty of Biology, University of Bucharest, 91-95 Splaiul Independentei, 050095 Bucharest, Romania; (C.M.); (S.A.)
| | - Angela Staicu
- Lasers Department, National Institute for Lasers, Plasma and Radiation Physics, 409 Atomistilor Str., 077125 Magurele, Romania; (A.M.U.); (A.D.); (S.N.)
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5
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Wu H, Yeo S, Li J, Wang J, Lee WK, Yoon I. Long-Wavelength Absorbing Benzimidazolo-Chlorin for Enhanced Photodynamic Therapy. ACS OMEGA 2023; 8:21941-21947. [PMID: 37360422 PMCID: PMC10285954 DOI: 10.1021/acsomega.3c01807] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 03/17/2023] [Accepted: 05/25/2023] [Indexed: 06/28/2023]
Abstract
In this study, we condensed methyl pyropheophorbide-a (2) with 1,2-phenylenediamine to synthesize benzimidazolo-chlorin (3a) as an effective near-infrared photosensitizer (PS) with an absorption maximum of 730 nm. The ability of 3a to generate singlet oxygen, as well as its photodynamic effect on A549 and HeLa cells, was investigated. PS exhibited strong phototoxicity and negligible dark toxicity. Its structure was examined by UV-visible spectroscopy, nuclear magnetic resonance, and high-resolution fast atom bombardment mass spectrometry.
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Affiliation(s)
- Huiqiang Wu
- Center
for Nano Manufacturing and Department of Nanoscience and Engineering, Inje University, 197 Injero, Gimhae, Gyeongnam 50834, Republic of Korea
| | - Sooho Yeo
- Center
for Nano Manufacturing and Department of Nanoscience and Engineering, Inje University, 197 Injero, Gimhae, Gyeongnam 50834, Republic of Korea
| | - Jiazhu Li
- College
of Chemistry and Chemical Engineering, Yantai
University, Yantai, Shandong 264005, China
| | - Jinjun Wang
- College
of Food & Biological Engineering, Yantai
Institute of Technology, Yantai, Shandong 264005, China
| | - Woo Kyoung Lee
- Center
for Nano Manufacturing and Department of Nanoscience and Engineering, Inje University, 197 Injero, Gimhae, Gyeongnam 50834, Republic of Korea
| | - Il Yoon
- Center
for Nano Manufacturing and Department of Nanoscience and Engineering, Inje University, 197 Injero, Gimhae, Gyeongnam 50834, Republic of Korea
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Pogorilyy V, Ostroverkhov P, Efimova V, Plotnikova E, Bezborodova O, Diachkova E, Vasil'ev Y, Pankratov A, Grin M. Thiocarbonyl Derivatives of Natural Chlorins: Synthesis Using Lawesson's Reagent and a Study of Their Properties. Molecules 2023; 28:molecules28104215. [PMID: 37241955 DOI: 10.3390/molecules28104215] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/24/2023] [Revised: 05/17/2023] [Accepted: 05/18/2023] [Indexed: 05/28/2023] Open
Abstract
The development of sulfur-containing pharmaceutical compounds is important in the advancement of medicinal chemistry. Photosensitizers (PS) that acquire new properties upon incorporation of sulfur-containing groups or individual sulfur atoms into their structure are not neglected, either. In this work, a synthesis of sulfur-containing derivatives of natural chlorophyll a using Lawesson's reagent was optimized. Thiocarbonyl chlorins were shown to have a significant bathochromic shift in the absorption and fluorescence bands. The feasibility of functionalizing the thiocarbonyl group at the macrocycle periphery by formation of a Pt(II) metal complex in the chemotherapeutic agent cisplatin was shown. The chemical stability of the resulting conjugate in aqueous solution was studied, and it was found to possess a high cytotoxic activity against sarcoma S37 tumor cells that results from the combined photodynamic and chemotherapeutic effect on these cells.
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Affiliation(s)
- Viktor Pogorilyy
- Department of Chemistry and Technology of Biologically Active Compounds, Medicinal and Organic Chemistry, Institute of Fine Chemical Technologies, MIREA-Russian Technological University, 86 Vernadsky Avenue, 119571 Moscow, Russia
| | - Petr Ostroverkhov
- Department of Chemistry and Technology of Biologically Active Compounds, Medicinal and Organic Chemistry, Institute of Fine Chemical Technologies, MIREA-Russian Technological University, 86 Vernadsky Avenue, 119571 Moscow, Russia
| | - Valeria Efimova
- Department of Chemistry and Technology of Biologically Active Compounds, Medicinal and Organic Chemistry, Institute of Fine Chemical Technologies, MIREA-Russian Technological University, 86 Vernadsky Avenue, 119571 Moscow, Russia
| | - Ekaterina Plotnikova
- Department of Chemistry and Technology of Biologically Active Compounds, Medicinal and Organic Chemistry, Institute of Fine Chemical Technologies, MIREA-Russian Technological University, 86 Vernadsky Avenue, 119571 Moscow, Russia
- P. Hertsen Moscow Oncology Research Institute-Branch of the National Medical Research Radiological Centre of the Ministry of Health of the Russian Federation, 2nd Botkinsky pr., 3, 125284 Moscow, Russia
| | - Olga Bezborodova
- Department of Chemistry and Technology of Biologically Active Compounds, Medicinal and Organic Chemistry, Institute of Fine Chemical Technologies, MIREA-Russian Technological University, 86 Vernadsky Avenue, 119571 Moscow, Russia
- P. Hertsen Moscow Oncology Research Institute-Branch of the National Medical Research Radiological Centre of the Ministry of Health of the Russian Federation, 2nd Botkinsky pr., 3, 125284 Moscow, Russia
| | - Ekaterina Diachkova
- Department of Oral Surgery, Borovsky Institute of Dentistry, I.M. Sechenov First Moscow State Medical University (Sechenov University), str Trubetskaya 8\2, 119435 Moscow, Russia
- Department of Operative Surgery and Topographic Anatomy, I.M. Sechenov First Moscow State Medical University (Sechenov University), str Trubetskaya 8\2, 119435 Moscow, Russia
| | - Yuriy Vasil'ev
- Department of Operative Surgery and Topographic Anatomy, I.M. Sechenov First Moscow State Medical University (Sechenov University), str Trubetskaya 8\2, 119435 Moscow, Russia
| | - Andrei Pankratov
- Department of Chemistry and Technology of Biologically Active Compounds, Medicinal and Organic Chemistry, Institute of Fine Chemical Technologies, MIREA-Russian Technological University, 86 Vernadsky Avenue, 119571 Moscow, Russia
- P. Hertsen Moscow Oncology Research Institute-Branch of the National Medical Research Radiological Centre of the Ministry of Health of the Russian Federation, 2nd Botkinsky pr., 3, 125284 Moscow, Russia
| | - Mikhail Grin
- Department of Chemistry and Technology of Biologically Active Compounds, Medicinal and Organic Chemistry, Institute of Fine Chemical Technologies, MIREA-Russian Technological University, 86 Vernadsky Avenue, 119571 Moscow, Russia
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Belashov A, Zhikhoreva A, Salova A, Belyaeva T, Litvinov I, Kornilova E, Semenova I, Vasyutinskii O. Analysis of Radachlorin localization in living cells by fluorescence lifetime imaging microscopy. JOURNAL OF PHOTOCHEMISTRY AND PHOTOBIOLOGY B: BIOLOGY 2023; 243:112699. [PMID: 37030133 DOI: 10.1016/j.jphotobiol.2023.112699] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/22/2023] [Revised: 03/07/2023] [Accepted: 03/21/2023] [Indexed: 04/03/2023]
Abstract
Intracellular localization of photosensitizer molecules is influential on cell death pathway at photodynamic treatment and is thus an important aspect in achieving enhanced efficacy of photodynamic therapy. In this paper we performed thorough studies of the distribution of Radachlorin photosensitizer in three established cell lines: HeLa, A549, and 3T3 with fluorescence lifetime imaging microscopy through the analysis of lifetime distributions. Experiments carried out in Radachlorin solutions in phosphate buffered saline revealed the pronounced dependence of the fluorescence quantum yield and lifetime on solution pH. This finding was used for analysis of lifetime images of living cells and their phasor plot representations and allowed us to suggest that Radachlorin localized predominantly in lysosomes, known to have acidic pH values. Experiments on co-localization of Radachlorin fluorescence lifetimes and LysoTracker fluorescence intensity supported this suggestion. The results obtained show that the inhomogeneity of fluorescence quantum yield within a cell can be significant due to lower pH values in lysosomes than in other intracellular compartments. This finding suggests that the actual amount of accumulated Radachlorin can be underestimated if being evaluated solely by comparison of fluorescence intensities.
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8
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Rybkin AY, Kurmaz SV, Urakova EA, Filatova NV, Sizov LR, Kozlov AV, Koifman MO, Goryachev NS. Nanoparticles of N-Vinylpyrrolidone Amphiphilic Copolymers and Pheophorbide a as Promising Photosensitizers for Photodynamic Therapy: Design, Properties and In Vitro Phototoxic Activity. Pharmaceutics 2023; 15:pharmaceutics15010273. [PMID: 36678902 PMCID: PMC9863766 DOI: 10.3390/pharmaceutics15010273] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/10/2022] [Revised: 12/31/2022] [Accepted: 01/09/2023] [Indexed: 01/15/2023] Open
Abstract
A series of nanoparticles (NPs) with a hydrodynamic radius from 20 to 100 nm in PBS was developed over the solubilization of hydrophobic dye methyl pheophorbide a (chlorin e6 derivative) by amphiphilic copolymers of N-vinylpyrrolidone with (di)methacrylates. Photophysical properties and biological activity of the NPs aqueous solution were studied. It was found that the dye encapsulated in the copolymers is in an aggregated state. However, its aggregation degree decreases sharply, and singlet oxygen quantum yield and the fluorescence signal increase upon the interaction of these NPs with model biological membranes-liposomes or components of a tissue homogenate. The phototoxic effect of NPs in HeLa cells exceeds by 1.5-2 times that of the reference dye chlorin e6 trisodium salt-one of the most effective photosensitizers used in clinical practice. It could be explained by the effective release of the hydrophobic photosensitizer from the NPs into biological structures. The demonstrated approach can be used not only for the encapsulation of hydrophobic photosensitizers for PDT but also for other drugs, and N-vinylpyrrolidone amphiphilic copolymers show promising potential as a modern platform for the design of targeted delivery vehicles.
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Affiliation(s)
- Alexander Yu. Rybkin
- Federal Research Center of Problems of Chemical Physics and Medicinal Chemistry, Russian Academy of Sciences, Pr. Akademika Semenova 1, 142432 Chernogolovka, Russia
- Correspondence:
| | - Svetlana V. Kurmaz
- Federal Research Center of Problems of Chemical Physics and Medicinal Chemistry, Russian Academy of Sciences, Pr. Akademika Semenova 1, 142432 Chernogolovka, Russia
| | - Elizaveta A. Urakova
- Federal Research Center of Problems of Chemical Physics and Medicinal Chemistry, Russian Academy of Sciences, Pr. Akademika Semenova 1, 142432 Chernogolovka, Russia
- Faculty of Fundamental Physical and Chemical Engineering, Lomonosov Moscow State University, 119991 Moscow, Russia
| | - Natalia V. Filatova
- Federal Research Center of Problems of Chemical Physics and Medicinal Chemistry, Russian Academy of Sciences, Pr. Akademika Semenova 1, 142432 Chernogolovka, Russia
| | - Lev R. Sizov
- Federal Research Center of Problems of Chemical Physics and Medicinal Chemistry, Russian Academy of Sciences, Pr. Akademika Semenova 1, 142432 Chernogolovka, Russia
| | - Alexey V. Kozlov
- Federal Research Center of Problems of Chemical Physics and Medicinal Chemistry, Russian Academy of Sciences, Pr. Akademika Semenova 1, 142432 Chernogolovka, Russia
| | - Mikhail O. Koifman
- Department of Chemistry and Technology of Macromolecular Compounds, Ivanovo State University of Chemistry and Technology, Sheremetevskiy Av. 7, 153000 Ivanovo, Russia
| | - Nikolai S. Goryachev
- Federal Research Center of Problems of Chemical Physics and Medicinal Chemistry, Russian Academy of Sciences, Pr. Akademika Semenova 1, 142432 Chernogolovka, Russia
- Faculty of Fundamental Physical and Chemical Engineering, Lomonosov Moscow State University, 119991 Moscow, Russia
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9
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Victória HFV, Ferreira DC, Filho JBG, Martins DCS, Pinheiro MVB, Sáfar GDAM, Krambrock K. Detection of singlet oxygen by EPR: The instability of the nitroxyl radicals. Free Radic Biol Med 2022; 180:143-152. [PMID: 34979255 DOI: 10.1016/j.freeradbiomed.2021.12.303] [Citation(s) in RCA: 10] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/09/2021] [Revised: 12/16/2021] [Accepted: 12/17/2021] [Indexed: 11/23/2022]
Abstract
The use of spin traps and redox probes coupled with electron paramagnetic resonance (EPR) is a method frequently applied in the evaluation of the efficiency of photosensitizers and photocatalysts in phototherapeutic and photocatalytic processes that involve reactive oxygen species. In this way, the method helps to clarify the mechanism behind photo-induced reactions. Hydroxy-TEMP is a very specific redox probe for selectively identifying and quantifying singlet oxygen (1O2). In this work, the kinetics of radical generated by the oxidation products of the Hydroxy-TEMP redox probe was analyzed from EPR spectra in aqueous solutions of several water-soluble porphyrins ([H2T4MPyP](OTs)4, Na4[H2T4SPP], [H2T2MPyP](OTs)4, [ZnT4MyPyP](OTs)4, [MnT4MyPyP](OTs)5, H2T4CPP, and [H2T4TriMAPP](OTs)4) under white light illumination. Different factors such as the concentration of the redox probe, pH of the medium, and photostability of the porphyrins were evaluated. A systematic study was carried out to reveal the factors associated with stable radical degradation (TEMPOL) by illumination in the visible spectral region in systems containing photosensitizer (porphyrin) and redox probe (Hydroxy-TEMP). With the aid of EPR and gas chromatography coupled with mass spectroscopy (GC-MS) techniques, the mechanism of the radical degradation and the photobleaching of porphyrins were investigated. After successive interactions with the porphyrin in its excited state, in alkaline aqueous solution (pH > 10), the free radical TEMPOL is transformed into TEMPONE until the final diamagnetic product Phorone. A protocol was elaborated to identify and quantify the generation of 1O2 by Hydroxy-TEMP reliably, to avoid possible errors in the interpretation of efficiency of photosensitizers.
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Affiliation(s)
- Henrique F V Victória
- Departamento de Física, Instituto de Ciências Exatas, Universidade Federal de Minas Gerais, Belo Horizonte, MG, 31270-901, Brazil.
| | - Daniele C Ferreira
- Departamento de Física, Instituto de Ciências Exatas, Universidade Federal de Minas Gerais, Belo Horizonte, MG, 31270-901, Brazil
| | - José B G Filho
- Departamento de Química, Instituto de Ciências Exatas, Universidade Federal de Minas Gerais, Belo Horizonte, MG, 31270-901, Brazil
| | - Dayse C S Martins
- Departamento de Química, Instituto de Ciências Exatas, Universidade Federal de Minas Gerais, Belo Horizonte, MG, 31270-901, Brazil
| | - Maurício V B Pinheiro
- Departamento de Física, Instituto de Ciências Exatas, Universidade Federal de Minas Gerais, Belo Horizonte, MG, 31270-901, Brazil
| | - Gustavo de A M Sáfar
- Departamento de Física, Instituto de Ciências Exatas, Universidade Federal de Minas Gerais, Belo Horizonte, MG, 31270-901, Brazil
| | - Klaus Krambrock
- Departamento de Física, Instituto de Ciências Exatas, Universidade Federal de Minas Gerais, Belo Horizonte, MG, 31270-901, Brazil.
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10
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Kozlikina EI, Efendiev KT, Grigoriev AY, Bogdanova OY, Trifonov IS, Krylov VV, Loschenov VB. A Pilot Study of Fluorescence-Guided Resection of Pituitary Adenomas with Chlorin e6 Photosensitizer. Bioengineering (Basel) 2022; 9:bioengineering9020052. [PMID: 35200407 PMCID: PMC8869665 DOI: 10.3390/bioengineering9020052] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/15/2021] [Revised: 01/17/2022] [Accepted: 01/19/2022] [Indexed: 12/13/2022] Open
Abstract
Fluorescence diagnostics is one of the promising methods for intraoperative detection of brain tumor boundaries and helps in maximizing the extent of resection. This paper presents the results of a pilot study on the first use of the chlorin e6 photosensitizer and a two-channel video system for fluorescence-guided resection of pituitary adenomas. The study’s clinical part involved two patients diagnosed with hormonally inactive pituitary macroadenomas and one patient with a hormonally active one. All neoplasms had different sizes and growth patterns. The data showed accumulation of chlorin e6 in tumor tissues in high concentrations: Patient 1: 2 mg/kg, Patient 2: 5 mg/kg, and Patient 3: 4 mg/kg. For Patient 1, the residual part of the tumor was not resected since it was intimately attached to the anterior genu of the internal carotid artery. For Patients 2 and 3, no regions of increased Ce6 accumulation were detected in the tumor foci after resection. Therefore, the use of the Ce6 and a two-channel video system helped to achieve a high degree of tumor resection in each case.
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Affiliation(s)
- Elizaveta I. Kozlikina
- Prokhorov General Physics Institute of the Russian Academy of Sciences, 119991 Moscow, Russia; (K.T.E.); (V.B.L.)
- Institute for Physics and Engineering in Biomedicine, National Research Nuclear University MEPhI, 115409 Moscow, Russia
- Correspondence:
| | - Kanamat T. Efendiev
- Prokhorov General Physics Institute of the Russian Academy of Sciences, 119991 Moscow, Russia; (K.T.E.); (V.B.L.)
- Institute for Physics and Engineering in Biomedicine, National Research Nuclear University MEPhI, 115409 Moscow, Russia
| | - Andrey Yu. Grigoriev
- Federal State Budgetary Educational Institution of Higher Education “A.I. Evdokimov Moscow State University of Medicine and Dentistry”, The Ministry of Healthcare of the Russian Federation, 127473 Moscow, Russia; (A.Y.G.); (O.Y.B.); (I.S.T.); (V.V.K.)
- The National Medical Research Centre for Endocrinology, 117292 Moscow, Russia
| | - Olesia Y. Bogdanova
- Federal State Budgetary Educational Institution of Higher Education “A.I. Evdokimov Moscow State University of Medicine and Dentistry”, The Ministry of Healthcare of the Russian Federation, 127473 Moscow, Russia; (A.Y.G.); (O.Y.B.); (I.S.T.); (V.V.K.)
| | - Igor S. Trifonov
- Federal State Budgetary Educational Institution of Higher Education “A.I. Evdokimov Moscow State University of Medicine and Dentistry”, The Ministry of Healthcare of the Russian Federation, 127473 Moscow, Russia; (A.Y.G.); (O.Y.B.); (I.S.T.); (V.V.K.)
| | - Vladimir V. Krylov
- Federal State Budgetary Educational Institution of Higher Education “A.I. Evdokimov Moscow State University of Medicine and Dentistry”, The Ministry of Healthcare of the Russian Federation, 127473 Moscow, Russia; (A.Y.G.); (O.Y.B.); (I.S.T.); (V.V.K.)
| | - Victor B. Loschenov
- Prokhorov General Physics Institute of the Russian Academy of Sciences, 119991 Moscow, Russia; (K.T.E.); (V.B.L.)
- Institute for Physics and Engineering in Biomedicine, National Research Nuclear University MEPhI, 115409 Moscow, Russia
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11
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Probing multifunctional azure B conjugated gold nanoparticles with serum protein binding properties for trimodal photothermal, photodynamic, and chemo therapy: Biophysical and photophysical investigations. MATERIALS SCIENCE & ENGINEERING. C, MATERIALS FOR BIOLOGICAL APPLICATIONS 2022; 134:112678. [DOI: 10.1016/j.msec.2022.112678] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/19/2021] [Revised: 01/13/2022] [Accepted: 01/19/2022] [Indexed: 11/23/2022]
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12
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Pogorilyy V, Plyutinskaya A, Suvorov N, Diachkova E, Vasil’ev Y, Pankratov A, Mironov A, Grin M. The First Selenoanhydride in the Series of Chlorophyll a Derivatives, Its Stability and Photoinduced Cytotoxicity. Molecules 2021; 26:molecules26237298. [PMID: 34885879 PMCID: PMC8659179 DOI: 10.3390/molecules26237298] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/30/2021] [Revised: 11/26/2021] [Accepted: 11/29/2021] [Indexed: 12/02/2022] Open
Abstract
In this work, we obtained the first selenium-containing chlorin with a chalcogen atom in exlocycle E. It was shown that the spectral properties were preserved in the target compound and the stability increased at two different pH values, in comparison with the starting purpurin-18. The derivatives have sufficiently high fluorescence and singlet oxygen quantum yields. The photoinduced cytotoxicity of sulfur- and selenium-anhydrides of chlorin p6 studied for the first time in vitro on the S37 cell line was found to be two times higher that of purpurin-18 and purpurinimide studied previously. Moreover, the dark cytotoxicity increased four-fold in comparison with the latter compounds. Apparently, the increase in the dark cytotoxicity is due to the interaction of the pigments studied with sulfur- and selenium-containing endogenous intracellular compounds. Intracellular distributions of thioanhydride and selenoanhydride chlorin p6 in S37 cells were shown in cytoplasm by diffusion distribution. The intracellular concentration of the sulfur derivative turned out to be higher and, as a consequence, its photoinduced cytotoxicity was higher as well.
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Affiliation(s)
- Viktor Pogorilyy
- Department of Chemistry and Technology of Biologically Active Compounds, Medicinal and Organic Chemistry, Institute of Fine Chemical Technologies, MIREA-Russian Technological University, 86 Vernadsky Avenue, 119571 Moscow, Russia; (N.S.); (A.M.); (M.G.)
- Correspondence: (V.P.); (E.D.)
| | - Anna Plyutinskaya
- P. Hertsen Moscow Oncology Research Institute—Branch of the National Medical Research Radiological Centre of the Ministry of Health of the Russian Federation, 2nd Botkinsky pr., 3, 125284 Moscow, Russia; (A.P.); (A.P.)
| | - Nikita Suvorov
- Department of Chemistry and Technology of Biologically Active Compounds, Medicinal and Organic Chemistry, Institute of Fine Chemical Technologies, MIREA-Russian Technological University, 86 Vernadsky Avenue, 119571 Moscow, Russia; (N.S.); (A.M.); (M.G.)
| | - Ekaterina Diachkova
- Department of Oral Surgery of Borovsky Institute of Dentistry, I.M. Sechenov First Moscow State Medical University (Sechenov University), Trubetskaya St. bldg. 8\2, 119435 Moscow, Russia
- Department of Fundamental Medical Disciplines, Medical Faculty, Moscow Region State University (MRSU), Str. Radio 10 Build 1, 105005 Moscow, Russia
- Correspondence: (V.P.); (E.D.)
| | - Yuriy Vasil’ev
- Department of Operative Surgery and Topographic Anatomy, I.M. Sechenov First Moscow State Medical University (Sechenov University), Trubetskaya St. bldg. 8\2, 119435 Moscow, Russia;
- Department of Prosthetic Dentistry, Dental Faculty, Kazan State Medical University of the Ministry of Health of Russia, Str. Butlerova 49, 420012 Kazan, Russia
| | - Andrei Pankratov
- P. Hertsen Moscow Oncology Research Institute—Branch of the National Medical Research Radiological Centre of the Ministry of Health of the Russian Federation, 2nd Botkinsky pr., 3, 125284 Moscow, Russia; (A.P.); (A.P.)
| | - Andrey Mironov
- Department of Chemistry and Technology of Biologically Active Compounds, Medicinal and Organic Chemistry, Institute of Fine Chemical Technologies, MIREA-Russian Technological University, 86 Vernadsky Avenue, 119571 Moscow, Russia; (N.S.); (A.M.); (M.G.)
| | - Mikhail Grin
- Department of Chemistry and Technology of Biologically Active Compounds, Medicinal and Organic Chemistry, Institute of Fine Chemical Technologies, MIREA-Russian Technological University, 86 Vernadsky Avenue, 119571 Moscow, Russia; (N.S.); (A.M.); (M.G.)
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13
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Belik AY, Rybkin AY, Goryachev NS, Sadkov AP, Filatova NV, Buyanovskaya AG, Talanova VN, Klemenkova ZS, Romanova VS, Koifman MO, Terentiev AA, Kotelnikov AI. Nanoparticles of water-soluble dyads based on amino acid fullerene C 60 derivatives and pyropheophorbide: Synthesis, photophysical properties, and photodynamic activity. SPECTROCHIMICA ACTA. PART A, MOLECULAR AND BIOMOLECULAR SPECTROSCOPY 2021; 260:119885. [PMID: 33993022 DOI: 10.1016/j.saa.2021.119885] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/20/2020] [Revised: 04/22/2021] [Accepted: 04/25/2021] [Indexed: 06/12/2023]
Abstract
Synthesis, spectral properties, and photodynamic activity of water-soluble amino acid fullerene C60 derivatives (AFD) and four original AFD-PPa dyads, obtained by covalent addition of dye pyropheophorbide (PPa) to AFD, were studied. In aqueous solution, these AFD-PPa dyads form nanoassociates as a result of self-assembly. In this case, a significant change in the absorption spectra and strong quenching of the dye fluorescence in the structure of the dyads were observed. A comparison of superoxide or singlet oxygen generation efficiency of the studied compounds in an aqueous solution showed the photodynamic mechanism switching from type II (singlet oxygen generation of the native dye) to I type (superoxide generation of dyads). All dyads have pronounced phototoxicity on cells Hela with IC50 9.2 µM, 9.2 µM, 12.2 µM for dyads Val-C60-PPa, Ala-C60-PPa and Pro-C60-PPa, respectively. Such facilitation of type I photodynamic mechanism could be perspective against hypoxic tumors.
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Affiliation(s)
- A Yu Belik
- Institute of Problems of Chemical Physics, Russian Academy of Sciences, Chernogolovka, Moscow Oblast 142432, Russia.
| | - A Yu Rybkin
- Institute of Problems of Chemical Physics, Russian Academy of Sciences, Chernogolovka, Moscow Oblast 142432, Russia
| | - N S Goryachev
- Institute of Problems of Chemical Physics, Russian Academy of Sciences, Chernogolovka, Moscow Oblast 142432, Russia; Lomonosov Moscow State University, Moscow 119991, Russia
| | - A P Sadkov
- Institute of Problems of Chemical Physics, Russian Academy of Sciences, Chernogolovka, Moscow Oblast 142432, Russia
| | - N V Filatova
- Institute of Problems of Chemical Physics, Russian Academy of Sciences, Chernogolovka, Moscow Oblast 142432, Russia
| | - A G Buyanovskaya
- A.N. Nesmeyanov Institute of Organoelement Compounds, Russian Academy of Sciences, Moscow 117813, Russia
| | - V N Talanova
- A.N. Nesmeyanov Institute of Organoelement Compounds, Russian Academy of Sciences, Moscow 117813, Russia
| | - Z S Klemenkova
- A.N. Nesmeyanov Institute of Organoelement Compounds, Russian Academy of Sciences, Moscow 117813, Russia
| | - V S Romanova
- A.N. Nesmeyanov Institute of Organoelement Compounds, Russian Academy of Sciences, Moscow 117813, Russia
| | - M O Koifman
- Ivanovo State University of Chemistry and Technology, Ivanovo 153000, Russia
| | - A A Terentiev
- Institute of Problems of Chemical Physics, Russian Academy of Sciences, Chernogolovka, Moscow Oblast 142432, Russia; Lomonosov Moscow State University, Moscow 119991, Russia
| | - A I Kotelnikov
- Institute of Problems of Chemical Physics, Russian Academy of Sciences, Chernogolovka, Moscow Oblast 142432, Russia; Lomonosov Moscow State University, Moscow 119991, Russia
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14
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Self-assembly of semiconductor quantum dots with porphyrin chromophores: Energy relaxation processes and biomedical applications. J Mol Struct 2021. [DOI: 10.1016/j.molstruc.2021.131239] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/27/2022]
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15
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Zhang LP, Li X, Zhao H, Kang L, Liu S, Liu T, Zhao Y. Ultra-high photoactive thiadiazolo[3,4- g]quinoxaline nanoparticles with active-targeting capability for deep photodynamic therapy. J Mater Chem B 2021; 9:8330-8340. [PMID: 34523660 DOI: 10.1039/d1tb01306h] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
Abstract
Improving the effective treatment depth of photodynamic therapy (PDT) is an important issue to resolve for its clinical application. In this study, a new biocompatible photosensitizer (PS), namely TQs-PEG4, based on thiadiazolo[3,4-g]quinoxaline (TQ) with ultra-high photoactive property is designed and synthesized. TQs-PEG4 possesses an ultra-high singlet oxygen quantum yield (ΦΔ = 1.04). After encapsulating it with a biodegradable copolymer (DSPE-mPEG2000-cRGD), well distributed organic TQs-PEG4 nanoparticles (NPs) are formed with good water dispersity and excellent active tumor-targeting property. In vitro PDT experiments reveal that TQs-PEG4 NPs present excellent phototoxicities towards different cancer cell lines with an ultra-low dosage (<0.3 μg mL-1). TQs-PEG4 NP mediated PDT significantly inhibited tumor growth even when the tumor was covered with a 6 mm thick piece of pork tissue under 660 nm laser irradiation. Both the histological analysis and biochemical testing demonstrated the good biosafety of TQs-PEG4 NPs towards mice. This study not only develops an ultra-high photoactive organic PS, TQs-PEG4, but also proves the great potential of TQs-PEG4 NPs for application in deep PDT.
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Affiliation(s)
- Li-Peng Zhang
- Key Laboratory of Photochemical Conversion and Optoelectronic Materials, Technical Institute of Physics and Chemistry, Chinese Academy of Sciences, No. 29 Zhongguancun East Road, Haidian District, Beijing, 100190, P. R. China.
| | - Xianqiang Li
- Key Laboratory of Photochemical Conversion and Optoelectronic Materials, Technical Institute of Physics and Chemistry, Chinese Academy of Sciences, No. 29 Zhongguancun East Road, Haidian District, Beijing, 100190, P. R. China. .,University of Chinese Academy of Sciences, No. 19A Yuquan Road, Beijing, 100049, P. R. China
| | - Hongyou Zhao
- Institute of Engineering Medicine, Beijing Institute of Technology, No. 5, South Street, Zhongguancun, Haidian District, Beijing, 100081, P. R. China.
| | - Lin Kang
- Key Laboratory of Photochemical Conversion and Optoelectronic Materials, Technical Institute of Physics and Chemistry, Chinese Academy of Sciences, No. 29 Zhongguancun East Road, Haidian District, Beijing, 100190, P. R. China. .,University of Chinese Academy of Sciences, No. 19A Yuquan Road, Beijing, 100049, P. R. China
| | - Shiyang Liu
- Key Laboratory of Photochemical Conversion and Optoelectronic Materials, Technical Institute of Physics and Chemistry, Chinese Academy of Sciences, No. 29 Zhongguancun East Road, Haidian District, Beijing, 100190, P. R. China. .,University of Chinese Academy of Sciences, No. 19A Yuquan Road, Beijing, 100049, P. R. China
| | - Tianlong Liu
- Laboratory of Veterinary Pathology and Nanopathology, College of Veterinary Medicine, China Agricultural University, No. 2 West Road Yuanmingyuan, Beijing, 100193, P. R. China.
| | - Yuxia Zhao
- Key Laboratory of Photochemical Conversion and Optoelectronic Materials, Technical Institute of Physics and Chemistry, Chinese Academy of Sciences, No. 29 Zhongguancun East Road, Haidian District, Beijing, 100190, P. R. China. .,University of Chinese Academy of Sciences, No. 19A Yuquan Road, Beijing, 100049, P. R. China
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16
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Gomes ATPC, Neves MGPMS, Fernandes R, Ribeiro CF, Cavaleiro JAS, Moura NMM. Unraveling the Photodynamic Activity of Cationic Benzoporphyrin-Based Photosensitizers against Bladder Cancer Cells. Molecules 2021; 26:5312. [PMID: 34500746 PMCID: PMC8434352 DOI: 10.3390/molecules26175312] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/31/2021] [Revised: 08/16/2021] [Accepted: 08/26/2021] [Indexed: 02/01/2023] Open
Abstract
In this study, we report the preparation of new mono-charged benzoporphyrin complexes by reaction of the appropriate neutral benzoporphyrin with (2,2'-bipyridine)dichloroplatinum(II) and of the analogs' derivatives synthesized through alkylation of the neutral scaffold with iodomethane. All derivatives were incorporated into polyvinylpyrrolidone (PVP) micelles. The ability of the resultant formulations to generate reactive oxygen species was evaluated, mainly the singlet oxygen formation. Then, the capability of the PVP formulations to act as photosensitizers against bladder cancer cells was assessed. Some of the studied formulations were the most active photosensitizers causing a decrease in HT-1376 cells' viability. This creates an avenue to further studies related to bladder cancer cells.
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Affiliation(s)
- Ana T. P. C. Gomes
- LAQV-REQUIMTE, Department of Chemistry, University of Aveiro, 3810-193 Aveiro, Portugal;
- Coimbra Institute for Clinical and Biomedical Research (iCBR), Faculty of Medicine, University of Coimbra, 3000-548 Coimbra, Portugal; (R.F.); (C.F.R.)
- Center for Innovative Biomedicine and Biotechnology (CIBB), University of Coimbra, 3004-504 Coimbra, Portugal
- Center for Interdisciplinary Research in Health (CIIS), Faculty of Dental Medicine, Universidade Católica Portuguesa, 3504-505 Viseu, Portugal
| | | | - Rosa Fernandes
- Coimbra Institute for Clinical and Biomedical Research (iCBR), Faculty of Medicine, University of Coimbra, 3000-548 Coimbra, Portugal; (R.F.); (C.F.R.)
- Center for Innovative Biomedicine and Biotechnology (CIBB), University of Coimbra, 3004-504 Coimbra, Portugal
| | - Carlos F. Ribeiro
- Coimbra Institute for Clinical and Biomedical Research (iCBR), Faculty of Medicine, University of Coimbra, 3000-548 Coimbra, Portugal; (R.F.); (C.F.R.)
- Center for Innovative Biomedicine and Biotechnology (CIBB), University of Coimbra, 3004-504 Coimbra, Portugal
| | - José A. S. Cavaleiro
- LAQV-REQUIMTE, Department of Chemistry, University of Aveiro, 3810-193 Aveiro, Portugal;
| | - Nuno M. M. Moura
- LAQV-REQUIMTE, Department of Chemistry, University of Aveiro, 3810-193 Aveiro, Portugal;
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17
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Cheng X, Gao J, Ding Y, Lu Y, Wei Q, Cui D, Fan J, Li X, Zhu E, Lu Y, Wu Q, Li L, Huang W. Multi-Functional Liposome: A Powerful Theranostic Nano-Platform Enhancing Photodynamic Therapy. ADVANCED SCIENCE (WEINHEIM, BADEN-WURTTEMBERG, GERMANY) 2021; 8:e2100876. [PMID: 34085415 PMCID: PMC8373168 DOI: 10.1002/advs.202100876] [Citation(s) in RCA: 80] [Impact Index Per Article: 26.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/05/2021] [Revised: 04/11/2021] [Indexed: 05/05/2023]
Abstract
Although photodynamic therapy (PDT) has promising advantages in almost non-invasion, low drug resistance, and low dark toxicity, it still suffers from limitations in the lipophilic nature of most photosensitizers (PSs), short half-life of PS in plasma, poor tissue penetration, and low tumor specificity. To overcome these limitations and enhance PDT, liposomes, as excellent multi-functional nano-carriers for drug delivery, have been extensively studied in multi-functional theranostics, including liposomal PS, targeted drug delivery, controllable drug release, image-guided therapy, and combined therapy. This review provides researchers with a useful reference in liposome-based drug delivery.
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Affiliation(s)
- Xiamin Cheng
- Institute of Advanced SynthesisSchool of Chemistry and Molecular EngineeringNanjing Tech University (NanjingTech)Nanjing211816P. R. China
| | - Jing Gao
- Institute of Advanced SynthesisSchool of Chemistry and Molecular EngineeringNanjing Tech University (NanjingTech)Nanjing211816P. R. China
| | - Yang Ding
- Key Laboratory of Flexible Electronics (KLOFE) & Institute of Advanced Materials (IAM)Nanjing Tech University (NanjingTech)Nanjing211816P. R. China
| | - Yao Lu
- Key Laboratory of Flexible Electronics (KLOFE) & Institute of Advanced Materials (IAM)Nanjing Tech University (NanjingTech)Nanjing211816P. R. China
| | - Qiancheng Wei
- Institute of Advanced SynthesisSchool of Chemistry and Molecular EngineeringNanjing Tech University (NanjingTech)Nanjing211816P. R. China
| | - Dezhi Cui
- Institute of Advanced SynthesisSchool of Chemistry and Molecular EngineeringNanjing Tech University (NanjingTech)Nanjing211816P. R. China
| | - Jiali Fan
- Institute of Advanced SynthesisSchool of Chemistry and Molecular EngineeringNanjing Tech University (NanjingTech)Nanjing211816P. R. China
| | - Xiaoman Li
- Institute of Advanced SynthesisSchool of Chemistry and Molecular EngineeringNanjing Tech University (NanjingTech)Nanjing211816P. R. China
| | - Ershu Zhu
- Institute of Advanced SynthesisSchool of Chemistry and Molecular EngineeringNanjing Tech University (NanjingTech)Nanjing211816P. R. China
| | - Yongna Lu
- Institute of Advanced SynthesisSchool of Chemistry and Molecular EngineeringNanjing Tech University (NanjingTech)Nanjing211816P. R. China
| | - Qiong Wu
- Key Laboratory of Flexible Electronics (KLOFE) & Institute of Advanced Materials (IAM)Nanjing Tech University (NanjingTech)Nanjing211816P. R. China
| | - Lin Li
- Key Laboratory of Flexible Electronics (KLOFE) & Institute of Advanced Materials (IAM)Nanjing Tech University (NanjingTech)Nanjing211816P. R. China
| | - Wei Huang
- Key Laboratory of Flexible Electronics (KLOFE) & Institute of Advanced Materials (IAM)Nanjing Tech University (NanjingTech)Nanjing211816P. R. China
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18
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Pucci C, Martinelli C, Degl'Innocenti A, Desii A, De Pasquale D, Ciofani G. Light-Activated Biomedical Applications of Chlorophyll Derivatives. Macromol Biosci 2021; 21:e2100181. [PMID: 34212510 DOI: 10.1002/mabi.202100181] [Citation(s) in RCA: 12] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/30/2021] [Revised: 06/06/2021] [Indexed: 02/01/2023]
Abstract
Tetrapyrroles are the basis of essential physiological functions in most living organisms. These compounds represent the basic scaffold of porphyrins, chlorophylls, and bacteriochlorophylls, among others. Chlorophyll derivatives, obtained by the natural or artificial degradation of chlorophylls, present unique properties, holding great potential in the scientific and medical fields. Indeed, they can act as cancer-preventing agents, antimutagens, apoptosis inducers, efficient antioxidants, as well as antimicrobial and immunomodulatory molecules. Moreover, thanks to their peculiar optical properties, they can be exploited as photosensitizers for photodynamic therapy and as vision enhancers. Most of these molecules, however, are highly hydrophobic and poorly soluble in biological fluids, and may display undesired toxicity due to accumulation in healthy tissues. The advent of nanomedicine has prompted the development of nanoparticles acting as carriers for chlorophyll derivatives, facilitating their targeted administration with demonstrated applicability in diagnosis and therapy. In this review, the chemical and physical properties of chlorophyll derivatives that justify their usage in the biomedical field, with particular regard to light-activated dynamics are described. Their role as antioxidants and photoactive agents are discussed, introducing the most recent nanomedical applications and focusing on inorganic and organic nanocarriers exploited in vitro and in vivo.
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Affiliation(s)
- Carlotta Pucci
- Istituto Italiano di Tecnologia, Smart Bio-Interfaces, Viale Rinaldo Piaggio 34, Pontedera, Pisa, 56025, Italy
| | - Chiara Martinelli
- Department of Chemistry, Materials and Chemical Engineering "Giulio Natta", Politecnico di Milano, Piazza Leonardo da Vinci 32, Milan, 20133, Italy
| | - Andrea Degl'Innocenti
- Istituto Italiano di Tecnologia, Smart Bio-Interfaces, Viale Rinaldo Piaggio 34, Pontedera, Pisa, 56025, Italy
| | - Andrea Desii
- Istituto Italiano di Tecnologia, Smart Bio-Interfaces, Viale Rinaldo Piaggio 34, Pontedera, Pisa, 56025, Italy
| | - Daniele De Pasquale
- Istituto Italiano di Tecnologia, Smart Bio-Interfaces, Viale Rinaldo Piaggio 34, Pontedera, Pisa, 56025, Italy
| | - Gianni Ciofani
- Istituto Italiano di Tecnologia, Smart Bio-Interfaces, Viale Rinaldo Piaggio 34, Pontedera, Pisa, 56025, Italy
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Singh J, Hussain Y, Luqman S, Meena A. Purpurin: A natural anthraquinone with multifaceted pharmacological activities. Phytother Res 2021; 35:2418-2428. [PMID: 33254282 DOI: 10.1002/ptr.6965] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/18/2020] [Revised: 10/09/2020] [Accepted: 11/12/2020] [Indexed: 12/19/2022]
Abstract
Purpurin is a naturally occurring anthraquinone isolated from the roots of Rubia cordifolia. Historically, it has been used as a red dye. However, its photosensitizing property and biological effects have deciphered its novel application. Purpurin shows antigenotoxic, anticancer, neuromodulatory, and antimicrobial potential associated with antioxidant action in in vivo and in vitro experiments. A robust antioxidant nature of purpurin is responsible for the majority of its pharmacological effects. It produces anti-inflammatory activity by reducing oxidative stress, which is a fundamental property to target diseases involving endoplasmic reticulum and mitochondrial stress. It can cross the blood-brain barrier and produce neuroprotective effects, including antidepressant and anti-Alzheimer action. It shows antimutagenic property via inhibiting essential CYP-450 enzymes. Interestingly, it gets photosensitized by UV-light and produces target-specific ROS-dependent apoptosis in cancer cells. Therefore, it owns cell killing and cell survival potential subject to the influence of external conditions. Hitherto, limited research studies are performed with purpurin to understand its therapeutic potential. Hence, this review describes and discusses different in vivo, in vitro, and in silico studies performed using purpurin. It also covers physicochemical, pharmacokinetics, and toxicology aspects of purpurin. Moreover, in the end, the prospect of purpurin in the management of cancer has also been proposed.
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Affiliation(s)
- Jyoti Singh
- Bioprospection and Product Development Division, CSIR-Central Institute of Medicinal and Aromatic Plants, Lucknow, Uttar Pradesh, India
- Jawaharlal Nehru University, New Delhi, India
| | - Yusuf Hussain
- Bioprospection and Product Development Division, CSIR-Central Institute of Medicinal and Aromatic Plants, Lucknow, Uttar Pradesh, India
- Academy of Scientific and Innovative Research (AcSIR), Ghaziabad, Uttar Pradesh, India
| | - Suaib Luqman
- Bioprospection and Product Development Division, CSIR-Central Institute of Medicinal and Aromatic Plants, Lucknow, Uttar Pradesh, India
- Academy of Scientific and Innovative Research (AcSIR), Ghaziabad, Uttar Pradesh, India
| | - Abha Meena
- Bioprospection and Product Development Division, CSIR-Central Institute of Medicinal and Aromatic Plants, Lucknow, Uttar Pradesh, India
- Academy of Scientific and Innovative Research (AcSIR), Ghaziabad, Uttar Pradesh, India
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Cationic Pyrrolidine/Pyrroline-Substituted Porphyrins as Efficient Photosensitizers against E. coli. Molecules 2021; 26:molecules26020464. [PMID: 33477299 PMCID: PMC7829939 DOI: 10.3390/molecules26020464] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/22/2020] [Revised: 01/08/2021] [Accepted: 01/13/2021] [Indexed: 01/11/2023] Open
Abstract
New porphyrin–pyrrolidine/pyrroline conjugates were prepared by revisiting 1,3-dipolar cycloaddition reactions between a porphyrinic azomethine ylide and a series of dipolarophiles. Cationic conjugates obtained by alkylation of the pyrrolidine/pyrroline cycloadducts showed ability to generate singlet oxygen and to produce iodine in presence of KI when irradiated with visible light. Some of the cationic derivatives showed photobactericidal properties towards a Gram-negative bioluminescent E. coli. In all cases, these features were significantly improved using KI as coadjutant, allowing, under the tested conditions, the photoinactivation of the bacterium until the detection limit of the method with a drastic reduction of the required photosensitizer concentration and irradiation time. The obtained results showed a high correlation between the ability of the cationic porphyrin derivative to produce singlet oxygen and iodine and its E. coli photoinactivation profile.
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21
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Belykh D, Loukhina I, Mikhaylov V, Khudyaeva I. Formation and properties of colloidal particles of cationic derivatives of chlorin e6 in aqueous medium. CHEMICAL PAPERS 2020. [DOI: 10.1007/s11696-020-01421-w] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
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22
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Taniguchi M, Lindsey JS. Absorption and Fluorescence Spectral Database of Chlorophylls and Analogues. Photochem Photobiol 2020; 97:136-165. [PMID: 32757305 DOI: 10.1111/php.13319] [Citation(s) in RCA: 34] [Impact Index Per Article: 8.5] [Reference Citation Analysis] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/06/2020] [Revised: 07/28/2020] [Accepted: 07/30/2020] [Indexed: 12/29/2022]
Abstract
Absorption spectra and fluorescence spectra are essential for use across the photosciences, yet such spectra along with the all-important values for molar absorption coefficient (ε) and fluorescence quantum yield (Φf ) often are found with great difficulty. Here, a literature survey concerning the vital class of chlorophyll compounds has led to identification of spectra for 150 members. Spectra in print form have been digitized (with baseline corrections) and assembled into a database along with literature references, solvent identity and values for ε and Φf (where available). The database encompasses photosynthetic tetrapyrroles wherein the chromophore is a porphyrin (e.g. chlorophyll c1 , protochlorophyll a), chlorin (e.g. chlorophyll a, bacteriochlorophyll c) or bacteriochlorin (e.g. bacteriochlorophyll a). Altogether, the database contains 305 absorption spectra (from 19 porphyrins, 109 chlorins and 22 bacteriochlorins) and 72 fluorescence spectra (from 10 porphyrins, 30 chlorins and 4 bacteriochlorins). The spectral database should facilitate comparisons and quantitative calculations. All spectra are available in print form in the Supporting Information. The entire database in digital form is available with the PhotochemCAD program for free downloading and further use at http://www.photochemcad.com.
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Eddahmi M, Sousa V, Moura NMM, Dias CJ, Bouissane L, Faustino MAF, Cavaleiro JAS, Gomes ATPC, Almeida A, Neves MGPMS, Mostapha Rakib E. New nitroindazole-porphyrin conjugates: Synthesis, characterization and antibacterial properties. Bioorg Chem 2020; 101:103994. [PMID: 32569896 DOI: 10.1016/j.bioorg.2020.103994] [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: 02/04/2020] [Revised: 05/04/2020] [Accepted: 06/02/2020] [Indexed: 02/07/2023]
Abstract
The synthesis of new porphyrin-indazole hybrids by a Knoevenagel condensation of 2-formyl-5,10,15,20-tetraphenylporphyrin and N-methyl-nitroindazolylacetonitrile derivatives is reported. The target compounds were isolated in moderate to good yields (32-57%) and some of the isolated porphyrin-indazole conjugates showed good performance in the generation of singlet oxygen when irradiated with visible light. Their efficiency as photosensitizers in the photoinactivation of methicillin resistant Staphylococcus aureus-MRSA was evaluated. All derivatives showed to be able to photoinactivate the MRSA bacteria. Compound 3a appears to be the most promising photosensitiser (PS) in the photoinactivation of these bacteria, despite being the least efficient in singlet oxygen generation. The addition of potassium iodide (KI) significantly potentiated the antimicrobial Photodynamic Therapy (aPDT) process mediated by all the analysed porphyrin-indazole conjugates. The combined action of nitroindazole-porphyrins with potassium iodide (KI) action appears to be promising in the photoinactivation of MRSA.
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Affiliation(s)
- Mohammed Eddahmi
- LAQV-REQUIMTE, Chemistry Department, University of Aveiro, 3810-193 Aveiro, Portugal; Laboratory of Organic and Analytic Chemistry, Faculty of Sciences and Technics, Sultan Moulay Slimane University, BP 523, 2300 Beni-Mellal, Morocco
| | - Vera Sousa
- CESAM and Biology Department, University of Aveiro, 3810-193 Aveiro, Portugal
| | - Nuno M M Moura
- LAQV-REQUIMTE, Chemistry Department, University of Aveiro, 3810-193 Aveiro, Portugal.
| | - Cristina J Dias
- LAQV-REQUIMTE, Chemistry Department, University of Aveiro, 3810-193 Aveiro, Portugal
| | - Latifa Bouissane
- Laboratory of Organic and Analytic Chemistry, Faculty of Sciences and Technics, Sultan Moulay Slimane University, BP 523, 2300 Beni-Mellal, Morocco
| | - Maria A F Faustino
- LAQV-REQUIMTE, Chemistry Department, University of Aveiro, 3810-193 Aveiro, Portugal.
| | - José A S Cavaleiro
- LAQV-REQUIMTE, Chemistry Department, University of Aveiro, 3810-193 Aveiro, Portugal
| | - Ana T P C Gomes
- Laboratory of Organic and Analytic Chemistry, Faculty of Sciences and Technics, Sultan Moulay Slimane University, BP 523, 2300 Beni-Mellal, Morocco.
| | - Adelaide Almeida
- CESAM and Biology Department, University of Aveiro, 3810-193 Aveiro, Portugal
| | - Maria G P M S Neves
- LAQV-REQUIMTE, Chemistry Department, University of Aveiro, 3810-193 Aveiro, Portugal
| | - El Mostapha Rakib
- Laboratory of Organic and Analytic Chemistry, Faculty of Sciences and Technics, Sultan Moulay Slimane University, BP 523, 2300 Beni-Mellal, Morocco.
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Photodynamic performance of amphiphilic chlorin e6 derivatives with appropriate properties: A comparison between different-type liposomes as delivery systems. Photodiagnosis Photodyn Ther 2020; 30:101799. [PMID: 32380255 DOI: 10.1016/j.pdpdt.2020.101799] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/09/2020] [Revised: 04/11/2020] [Accepted: 04/24/2020] [Indexed: 02/06/2023]
Abstract
BACKGROUND Many aspects are currently being investigated, with the aim of improving the application of PDT in the clinic by rendering it more effective. One of the current trends focuses on the use of nanocarriers. The aim of this study is to describe novel photosensitizers among polyol amide chlorin e6 derivatives for photodynamic therapy (PDT) using liposomes. METHODS In addition to their intracellular localization and antiproliferative activity against HCT116 cells, appropriate photophysical features have been determined (especially high 1O2 quantum yield production). RESULTS AND CONCLUSIONS Fluorescent microscopy demonstrated that the compounds entered the endoplasmic reticulum (ER), lysosomes, mitochondria and partially the cytoplasm. All of the chlorins showed no dark cytotoxicity; however, high phototoxicity was observed. Using optical and electron microscopy, we investigated the impact of chlorin-based PDT upon cell damage leading to cell death. Chl ara 3 was identified as the most promising compound among polyol amide chlorin e6 derivatives and improved phototoxicity was observed as compared with a clinically approved temoporfin. Our results indicate that newly-synthesized chlorins seem to be promising candidates for PDT application, and two of them (chl ara 3 and chl mme 2) may create promising new drugs, both in the form of a free compound and as a liposomal formulation.
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D. Martins T, Lima E, E. Boto R, Ferreira D, R. Fernandes J, Almeida P, F. V. Ferreira L, Silva AM, V. Reis L. Red and Near-Infrared Absorbing DicyanomethyleneSquaraine Cyanine Dyes: PhotophysicochemicalProperties and Anti-Tumor Photosensitizing Effects. MATERIALS 2020; 13:ma13092083. [PMID: 32369923 PMCID: PMC7254310 DOI: 10.3390/ma13092083] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 04/02/2020] [Revised: 04/19/2020] [Accepted: 04/29/2020] [Indexed: 12/17/2022]
Abstract
Photodynamic therapy is a medical modality developed for the treatment of several diseases of oncological and non-oncological etiology that requires the presence of a photosensitizer, light and molecular oxygen, which combined will trigger physicochemical reactions responsible for reactive oxygen species production. Given the scarcity of photosensitizers that exhibit desirable characteristics for its potential application in this therapeutic strategy, the main aims of this work were the study of the photophysical and photochemical properties and the photobiological activity of several dicyanomethylene squaraine cyanine dyes. Thus, herein, the study of their aggregation character, photobleaching and singlet oxygen production ability, and the further application of the previously synthesized dyes in Caco-2 and HepG2 cancer cell lines, to evaluate their phototherapeutic effects, are described. Dicyanomethylene squaraine dyes exhibited moderate light-stability and, despite the low singlet oxygen quantum yields, were a core of dyes that exhibited relevant in vitro photodynamic activity, as there was an evident increase in the toxicity of some of the tested dyes exclusive to radiation treatments.
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Affiliation(s)
- Tiago D. Martins
- Chemistry Centre of Vila Real (CQ-VR), University of Trás-os-Montes and Alto Douro, Quinta de Prados, 5001-801 Vila Real, Portugal; (T.D.M.); (E.L.); (J.R.F.)
- Centre for Research and Technology of Agro-Environmental and Biological Sciences (CITAB-UTAD), University of Trás-os-Montes and Alto Douro, Quinta de Prados, 5001-801 Vila Real, Portugal
| | - Eurico Lima
- Chemistry Centre of Vila Real (CQ-VR), University of Trás-os-Montes and Alto Douro, Quinta de Prados, 5001-801 Vila Real, Portugal; (T.D.M.); (E.L.); (J.R.F.)
| | - Renato E. Boto
- Health Sciences Research Centre (CICS-UBI), University of Beira Interior, Av. Infante D. Henrique, 6201-001 Covilhã, Portugal; (R.E.B.); (P.A.)
| | - Diana Ferreira
- Institute of Bioengineering and Biosciences (iBB), Higher Technical Institute, University of Lisbon, Av. Rovisco Pais, 1049-001 Lisbon, Portugal; (D.F.); (L.F.V.F.)
| | - José R. Fernandes
- Chemistry Centre of Vila Real (CQ-VR), University of Trás-os-Montes and Alto Douro, Quinta de Prados, 5001-801 Vila Real, Portugal; (T.D.M.); (E.L.); (J.R.F.)
| | - Paulo Almeida
- Health Sciences Research Centre (CICS-UBI), University of Beira Interior, Av. Infante D. Henrique, 6201-001 Covilhã, Portugal; (R.E.B.); (P.A.)
| | - Luis F. V. Ferreira
- Institute of Bioengineering and Biosciences (iBB), Higher Technical Institute, University of Lisbon, Av. Rovisco Pais, 1049-001 Lisbon, Portugal; (D.F.); (L.F.V.F.)
| | - Amélia M. Silva
- Centre for Research and Technology of Agro-Environmental and Biological Sciences (CITAB-UTAD), University of Trás-os-Montes and Alto Douro, Quinta de Prados, 5001-801 Vila Real, Portugal
- Department of Biology and Environment, University of Trás-os-Montes and Alto Douro, Quinta de Prados, 5001-801 Vila Real, Portugal
- Correspondence: (A.M.S.); (L.V.R.)
| | - Lucinda V. Reis
- Chemistry Centre of Vila Real (CQ-VR), University of Trás-os-Montes and Alto Douro, Quinta de Prados, 5001-801 Vila Real, Portugal; (T.D.M.); (E.L.); (J.R.F.)
- Correspondence: (A.M.S.); (L.V.R.)
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26
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Kuzmina NS, Otvagin VF, Krylova LV, Nyuchev AV, Romanenko YV, Koifman OI, Balalaeva IV, Fedorov AY. Synthesis and antiproliferative activity of new chlorin e6 glycoconjugates. MENDELEEV COMMUNICATIONS 2020. [DOI: 10.1016/j.mencom.2020.03.009] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 02/08/2023]
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27
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Zenkevich EI. Еxcitation Energy Relaxation Processes Involving Chlorophyll Molecules In Vitro: Solutions and Self-Organized Nanoassemblies. RUSS J GEN CHEM+ 2020. [DOI: 10.1134/s1070363219120442] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
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28
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Ilina K, MacCuaig WM, Laramie M, Jeouty JN, McNally LR, Henary M. Squaraine Dyes: Molecular Design for Different Applications and Remaining Challenges. Bioconjug Chem 2020; 31:194-213. [PMID: 31365819 PMCID: PMC7845514 DOI: 10.1021/acs.bioconjchem.9b00482] [Citation(s) in RCA: 94] [Impact Index Per Article: 23.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/06/2023]
Abstract
Squaraine dyes are a class of organic dyes with strong and narrow absorption bands in the near-infrared. Despite high molar absorptivities and fluorescence quantum yields, these dyes have been less explored than other dye scaffolds due to their susceptibility to nucleophilic attack. Recent strategies in probe design including encapsulation, conjugation to biomolecules, and new synthetic modifications have seen squaraine dyes emerging into the forefront of biomedical imaging and other applications. Herein, we provide a concise overview of (1) the synthesis of symmetrical and unsymmetrical squaraine dyes, (2) the relationship between structure and photophysical properties of squaraine dyes, and (3) current applications of squaraine dyes in the literature. Given the recent successes at overcoming the limitations of squaraine dyes, they show high potential in biological imaging, in photodynamic and photothermal therapies, and as molecular sensors.
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Affiliation(s)
- Kristina Ilina
- Department of Chemistry, Petit Science Center, Georgia State University, 100 Piedmont Avenue SE, Atlanta, Georgia 30303, United States
| | - William M. MacCuaig
- Department of Bioengineering, Stephenson Cancer Center, University of Oklahoma, 173 Felgar Street, Norman, Oklahoma 73019, United States
| | - Matthew Laramie
- Department of Chemistry, Petit Science Center, Georgia State University, 100 Piedmont Avenue SE, Atlanta, Georgia 30303, United States
| | - Jannatun N. Jeouty
- Department of Chemistry, Petit Science Center, Georgia State University, 100 Piedmont Avenue SE, Atlanta, Georgia 30303, United States
| | - Lacey R. McNally
- Department of Bioengineering, Stephenson Cancer Center, University of Oklahoma, 173 Felgar Street, Norman, Oklahoma 73019, United States
| | - Maged Henary
- Department of Chemistry, Petit Science Center, Georgia State University, 100 Piedmont Avenue SE, Atlanta, Georgia 30303, United States
- Center for Diagnostics and Therapeutics, Petit Science Center, Georgia State University, 100 Piedmont Avenue SE, Atlanta, Georgia 30303, United States
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29
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Rabiee N, Yaraki MT, Garakani SM, Garakani SM, Ahmadi S, Lajevardi A, Bagherzadeh M, Rabiee M, Tayebi L, Tahriri M, Hamblin MR. Recent advances in porphyrin-based nanocomposites for effective targeted imaging and therapy. Biomaterials 2020; 232:119707. [PMID: 31874428 PMCID: PMC7008091 DOI: 10.1016/j.biomaterials.2019.119707] [Citation(s) in RCA: 117] [Impact Index Per Article: 29.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/28/2019] [Revised: 12/05/2019] [Accepted: 12/18/2019] [Indexed: 12/24/2022]
Abstract
Porphyrins are organic compounds that continue to attract much theoretical interest, and have been called the "pigments of life". They have a wide role in photodynamic and sonodynamic therapy, along with uses in magnetic resonance, fluorescence and photoacoustic imaging. There is a vast range of porphyrins that have been isolated or designed, but few of them have real clinical applications. Due to the hydrophobic properties of porphyrins, and their tendency to aggregate by stacking of the planar molecules they are difficult to work with in aqueous media. Therefore encapsulating them in nanoparticles (NPs) or attachment to various delivery vehicles have been used to improve delivery characteristics. Porphyrins can be used in a composite designed material with properties that allow specific targeting, immune tolerance, extended tissue lifetime and improved hydrophilicity. Drug delivery, healing and repairing of damaged organs, and cancer theranostics are some of the medical uses of porphyrin-based nanocomposites covered in this review.
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Affiliation(s)
- Navid Rabiee
- Department of Chemistry, Sharif University of Technology, Tehran, Iran.
| | - Mohammad Tavakkoli Yaraki
- Department of Chemical and Biomolecular Engineering, National University of Singapore, 4 Engineering Drive 4, Singapore, 117585, Singapore; Institute of Materials Research and Engineering, A*STAR (Agency for Science, Technology and Research), 2 Fusionopolis Way, 138634, Singapore
| | | | | | - Sepideh Ahmadi
- Student Research Committee, Department of Biotechnology, School of Advanced Technologies in Medicine, Shahid Beheshti University of Medical Sciences, Tehran, Iran; Cellular and Molecular Biology Research Center, Shahid Beheshti University of Medical Sciences, Tehran, Iran
| | - Aseman Lajevardi
- Department of Chemistry, Science and Research Branch, Islamic Azad University, Tehran, Iran
| | | | - Mohammad Rabiee
- Biomaterial Group, Department of Biomedical Engineering, Amirkabir University of Technology, Tehran, Iran.
| | - Lobat Tayebi
- Department of Developmental Sciences, Marquette University, Milwaukee, WI, 53233, USA
| | - Mohammadreza Tahriri
- Department of Developmental Sciences, Marquette University, Milwaukee, WI, 53233, USA.
| | - Michael R Hamblin
- Wellman Center for Photomedicine, Massachusetts General Hospital, Boston, USA; Department of Dermatology, Harvard Medical School, Boston, USA; Laser Research Centre, Faculty of Health Science, University of Johannesburg, Doornfontein, 2028, South Africa.
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30
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Zhang LP, Li X, Liu T, Kang L, Huang X, Zhao Y. A water-soluble pyrazino[2,3-g]quinoxaline photosensitizer for high-efficiency one- and two-photon excited bioimaging and photodynamic therapy. Chem Commun (Camb) 2020; 56:5544-5547. [DOI: 10.1039/d0cc02285c] [Citation(s) in RCA: 12] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/16/2022]
Abstract
A water-soluble pyrazino[2,3-g]quinoxaline photosensitizer was synthesized and exhibited excellent performance for both one- and two photon excited bioimaging and photodynamic therapy.
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Affiliation(s)
- Li-Peng Zhang
- Key Laboratory of Photochemical Conversion and Optoelectronic Materials
- Technical Institute of Physics and Chemistry
- Chinese Academy of Sciences
- Beijing
- China
| | - Xianqiang Li
- Key Laboratory of Photochemical Conversion and Optoelectronic Materials
- Technical Institute of Physics and Chemistry
- Chinese Academy of Sciences
- Beijing
- China
| | - Tianlong Liu
- Laboratory of Veterinary Pathology and Nanopathology
- College of Veterinary Medicine
- China Agricultural University
- Beijing 100193
- P. R. China
| | - Lin Kang
- Key Laboratory of Photochemical Conversion and Optoelectronic Materials
- Technical Institute of Physics and Chemistry
- Chinese Academy of Sciences
- Beijing
- China
| | - Xing Huang
- Key Laboratory of Photochemical Conversion and Optoelectronic Materials
- Technical Institute of Physics and Chemistry
- Chinese Academy of Sciences
- Beijing
- China
| | - Yuxia Zhao
- Key Laboratory of Photochemical Conversion and Optoelectronic Materials
- Technical Institute of Physics and Chemistry
- Chinese Academy of Sciences
- Beijing
- China
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31
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Pavlíčková V, Rimpelová S, Jurášek M, Záruba K, Fähnrich J, Křížová I, Bejček J, Rottnerová Z, Spiwok V, Drašar P, Ruml T. PEGylated Purpurin 18 with Improved Solubility: Potent Compounds for Photodynamic Therapy of Cancer. Molecules 2019; 24:E4477. [PMID: 31817655 PMCID: PMC6943672 DOI: 10.3390/molecules24244477] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/30/2019] [Revised: 11/29/2019] [Accepted: 12/01/2019] [Indexed: 12/12/2022] Open
Abstract
Purpurin 18 derivatives with a polyethylene glycol (PEG) linker were synthesized as novel photosensitizers (PSs) with the goal of using them in photodynamic therapy (PDT) for cancer. These compounds, derived from a second-generation PS, exhibit absorption at long wavelengths; considerable singlet oxygen generation and, in contrast to purpurin 18, have higher hydrophilicity due to decreased logP. Together, these properties make them potentially ideal PSs. To verify this, we screened the developed compounds for cell uptake, intracellular localization, antitumor activity and induced cell death type. All of the tested compounds were taken up into cancer cells of various origin and localized in organelles known to be important PDT targets, specifically, mitochondria and the endoplasmic reticulum. The incorporation of a zinc ion and PEGylation significantly enhanced the photosensitizing efficacy, decreasing IC50 (half maximal inhibitory compound concentration) in HeLa cells by up to 170 times compared with the parental purpurin 18. At effective PDT concentrations, the predominant type of induced cell death was apoptosis. Overall, our results show that the PEGylated derivatives presented have significant potential as novel PSs with substantially augmented phototoxicity for application in the PDT of cervical, prostate, pancreatic and breast cancer.
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Affiliation(s)
- Vladimíra Pavlíčková
- Department of Biochemistry and Microbiology, University of Chemistry and Technology in Prague, Technická 3, 166 28 Prague 6, Czech Republic; (V.P.); (J.B.); (V.S.)
| | - Silvie Rimpelová
- Department of Biochemistry and Microbiology, University of Chemistry and Technology in Prague, Technická 3, 166 28 Prague 6, Czech Republic; (V.P.); (J.B.); (V.S.)
| | - Michal Jurášek
- Department of Chemistry of Natural Compounds, University of Chemistry and Technology in Prague, Technická 5, 166 28 Prague 6, Czech Republic;
| | - Kamil Záruba
- Department of Analytical Chemistry, University of Chemistry and Technology in Prague, Technická 5, 166 28 Prague 6, Czech Republic; (K.Z.); (J.F.)
| | - Jan Fähnrich
- Department of Analytical Chemistry, University of Chemistry and Technology in Prague, Technická 5, 166 28 Prague 6, Czech Republic; (K.Z.); (J.F.)
| | - Ivana Křížová
- Department of Biotechnology, University of Chemistry and Technology in Prague, Technická 5, 166 28 Prague 6, Czech Republic;
| | - Jiří Bejček
- Department of Biochemistry and Microbiology, University of Chemistry and Technology in Prague, Technická 3, 166 28 Prague 6, Czech Republic; (V.P.); (J.B.); (V.S.)
| | - Zdeňka Rottnerová
- Central laboratories, University of Chemistry and Technology in Prague, Technická 5, 166 28 Prague 6, Czech Republic;
| | - Vojtěch Spiwok
- Department of Biochemistry and Microbiology, University of Chemistry and Technology in Prague, Technická 3, 166 28 Prague 6, Czech Republic; (V.P.); (J.B.); (V.S.)
| | - Pavel Drašar
- Department of Chemistry of Natural Compounds, University of Chemistry and Technology in Prague, Technická 5, 166 28 Prague 6, Czech Republic;
| | - Tomáš Ruml
- Department of Biochemistry and Microbiology, University of Chemistry and Technology in Prague, Technická 3, 166 28 Prague 6, Czech Republic; (V.P.); (J.B.); (V.S.)
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Marazzi M, Gattuso H, Giussani A, Zhang H, Navarrete-Miguel M, Chipot C, Cai W, Roca-Sanjuán D, Dehez F, Monari A. Induced Night Vision by Singlet-Oxygen-Mediated Activation of Rhodopsin. J Phys Chem Lett 2019; 10:7133-7140. [PMID: 31652065 DOI: 10.1021/acs.jpclett.9b02911] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 05/03/2023]
Abstract
In humans, vision is limited to a small fraction of the whole electromagnetic spectrum. One possible strategy for enhancing vision in deep-red or poor-light conditions consists of recruiting chlorophyll derivatives in the rod photoreceptor cells of the eye, as suggested in the case of some deep-sea fish. Here, we employ all-atom molecular simulations and high-level quantum chemistry calculations to rationalize how chlorin e6 (Ce6), widely used in photodynamic therapy although accompanied by enhanced visual sensitivity, mediates vision in the dark, shining light on a fascinating but largely unknown molecular mechanism. First, we identify persistent interaction sites between Ce6 and the extracellular loops of rhodopsin, the transmembrane photoreceptor protein responsible for the first steps in vision. Triggered by Ce6 deep-red light absorption, the retinal within rhodopsin can be isomerized thus starting the visual phototransduction cascade. Our data largely exclude previously hypothesized energy-transfer mechanisms while clearly lending credence to a retinal isomerization indirectly triggered by singlet oxygen, proposing an alternative mechanism to rationalize photosensitizer-mediated night vision.
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Affiliation(s)
- Marco Marazzi
- LPCT , UMR 7019, Université de Lorraine and CNRS, F-54000 Vandoeuvre-lès-Nancy , France
- Department of Analytical Chemistry, Physical Chemistry and Chemical Engineering , Universidad de Alcalá, Ctra , Madrid-Barcelona Km. 33,600 , E-28805 Alcalá de Henares ( Madrid ), Spain
- Chemical Research Institute "Andrés M. del Río" (IQAR) , Universidad de Alcalá , E-28871 Alcalá de Henares ( Madrid ), Spain
| | - Hugo Gattuso
- LPCT , UMR 7019, Université de Lorraine and CNRS, F-54000 Vandoeuvre-lès-Nancy , France
| | - Angelo Giussani
- Institut de Ciència Molecular , Universitat de València , P.O. Box 22085 València , Spain
| | - Hong Zhang
- LPCT , UMR 7019, Université de Lorraine and CNRS, F-54000 Vandoeuvre-lès-Nancy , France
- Research Center for Analytical Sciences, College of Chemistry, Tianjin Key Laboratory of Biosensing and Molecular Recognition , Nankai University , Tianjin 300071 , China
| | | | - Christophe Chipot
- LPCT , UMR 7019, Université de Lorraine and CNRS, F-54000 Vandoeuvre-lès-Nancy , France
- Laboratoire International Associé CNRS and University of Illinois at Urbana-Champaign , F-54000 Vandoeuvre-lès-Nancy , France
- Department of Physics , University of Illinois at Urbana-Champaign , 1110 West Green Street , Urbana , Illinois 61801 , United States
| | - Wensheng Cai
- Research Center for Analytical Sciences, College of Chemistry, Tianjin Key Laboratory of Biosensing and Molecular Recognition , Nankai University , Tianjin 300071 , China
| | - Daniel Roca-Sanjuán
- Institut de Ciència Molecular , Universitat de València , P.O. Box 22085 València , Spain
| | - François Dehez
- LPCT , UMR 7019, Université de Lorraine and CNRS, F-54000 Vandoeuvre-lès-Nancy , France
- Laboratoire International Associé CNRS and University of Illinois at Urbana-Champaign , F-54000 Vandoeuvre-lès-Nancy , France
| | - Antonio Monari
- LPCT , UMR 7019, Université de Lorraine and CNRS, F-54000 Vandoeuvre-lès-Nancy , France
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Synthesis and spectroscopic properties of axial phenoxide and para amino phenoxide incorporated indium (III) porphyrins. J Mol Struct 2019. [DOI: 10.1016/j.molstruc.2019.05.120] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
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Jung S, Jung S, Kim DM, Lim SH, Shim YH, Kwon H, Kim DH, Lee CM, Kim BH, Jeong YI. Hyaluronic Acid-Conjugated with Hyperbranched Chlorin e6 Using Disulfide Linkage and Its Nanophotosensitizer for Enhanced Photodynamic Therapy of Cancer Cells. MATERIALS (BASEL, SWITZERLAND) 2019; 12:E3080. [PMID: 31546620 PMCID: PMC6803876 DOI: 10.3390/ma12193080] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 07/10/2019] [Revised: 09/05/2019] [Accepted: 09/18/2019] [Indexed: 11/29/2022]
Abstract
The main purpose of this study is to synthesize novel types of nanophotosensitizers that are based on hyperbranched chlorin e6 (Ce6) via disulfide linkages. Moreover, hyperbranched Ce6 was conjugated with hyaluronic acid (HA) for CD44-receptor mediated delivery and redox-sensitive photodynamic therapy (PDT) against cancer cells. Hyperbranched Ce6 was considered to make novel types of macromolecular photosensitizer since most of the previous studies regarding nanophotosensizers are concerned with simple conjugation between monomeric units of photosensitizer and polymer materials. Hyperbranched Ce6 was synthesized by conjugation of Ce6 each other while using disulfide linkage. To synthesize Ce6 tetramer, carboxyl groups of Ce6 were conjugated with cystamine and three equivalents of Ce6 were then conjugated again with the end of amine groups of Ce6-cystamine. To synthesize Ce6 decamer as a hyperbranched Ce6, six equivalents of Ce6 was conjugated with the end of Ce6 tetramer via cystamine linkage. Furthermore, HA-cystamine was attached with Ce6 tetramer or Ce6 decamer to synthesize HA-Ce6 tetramer (Ce6tetraHA) or HA-Ce6 decamer (Ce6decaHA) conjugates. Ce6tetraHA and Ce6decaHA nanophotosensitizers showed small diameters of less than 200 nm. The addition of dithiothreitol (DTT) and hyaluronidase (HAse) induced a faster Ce6 release rate in vitro drug release study, which indicated that Ce6tetraHA nanophotosensitizers possess redox-sensitive and HAse-sensitive release properties. Ce6tetraHA nanophotosensitizers showed higher intracellular Ce6 accumulation, higher ROS generation, and higher PDT efficacy than that of Ce6 alone. Ce6tetraHA nanophotosensitizers responded to the CD44 receptor of cancer cell surface, i.e., the pre-treatment of HA blocked CD44 receptor of U87MG or HCT116 cells and then inhibited delivery of nanophotosensitizers in vitro cell culture study. Furthermore, in vivo tumorxenograft study showed that fluorescence intensity in the tumor tissues was stronger than those of other organs, while CD44 receptor blocking by HA pretreatment induced a decrease of fluorescence intensity in tumor tissues when compared to liver. These results indicated that Ce6tetraHA nanophotosensitizers delivered to tumors by redox-sensitive and CD44-sensitive manner.
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Affiliation(s)
- Shin Jung
- Department of Neurosurgery, Chonnam National University Hwasun Hospital, Hwasun 58128, Korea.
- Brain Tumor Research Laboratory, Chonnam National University Research Institute of Medical Sciences, Chonnam National University Hwasun Hospital, Hwasun 58128, Korea.
| | - Seunggon Jung
- Department of Oral and Maxillofacial Surgery, School of Dentistry, Chonnam National University, Gwangju 61186, Korea.
| | - Doo Man Kim
- Department of Materials Science and Engineering, Chonnam National University, Gwangju 61186, Korea.
| | - Sa-Hoe Lim
- Department of Neurosurgery, Chonnam National University Hwasun Hospital, Hwasun 58128, Korea.
- Brain Tumor Research Laboratory, Chonnam National University Research Institute of Medical Sciences, Chonnam National University Hwasun Hospital, Hwasun 58128, Korea.
| | | | - Hanjin Kwon
- UltraV Co. Ltd. R&D Center, Seoul 04779, Korea.
| | - Do Hoon Kim
- Department of Integrative Physiology and Pathobiology, Tufts University School of Medicine, Boston, MA 02111, USA.
| | - Chang-Min Lee
- Department of Dental Materials, College of Dentistry, Chosun University, Gwangju 61452, Korea.
| | - Byung Hoon Kim
- Department of Dental Materials, College of Dentistry, Chosun University, Gwangju 61452, Korea.
| | - Young-Il Jeong
- Research Institute of Convergence of Biomedical Sciences, Pusan National University Yangsan Hospital, Gyeongnam 50612, Korea.
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Valentini A, Nucci M, Frutos LM, Marazzi M. Photosensitized Retinal Isomerization in Rhodopsin Mediated by a Triplet State. CHEMPHOTOCHEM 2019. [DOI: 10.1002/cptc.201900067] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/07/2023]
Affiliation(s)
- Alessio Valentini
- Departamento de Química Analítica, Química Física e Ingeniería Química, Unidad de Química FísicaUniversidad de Alcalá Ctra. Madrid-Barcelona Km. 33,600 E-28871 Alcalá de Henares, Madrid Spain
- Department of Biotechnology, Chemistry and PharmacyUniversity of Siena via A. Moro 2 53100 Siena Italy
- Theoretical Physical Chemistry, Research Unit MolSysUniversité de Liège Allée du 6 Aôut, 11 4000 Liège Belgium
| | - Martina Nucci
- Departamento de Química Analítica, Química Física e Ingeniería Química, Unidad de Química FísicaUniversidad de Alcalá Ctra. Madrid-Barcelona Km. 33,600 E-28871 Alcalá de Henares, Madrid Spain
| | - Luis Manuel Frutos
- Departamento de Química Analítica, Química Física e Ingeniería Química, Unidad de Química FísicaUniversidad de Alcalá Ctra. Madrid-Barcelona Km. 33,600 E-28871 Alcalá de Henares, Madrid Spain
- Instituto de Investigación Química “Andrés M. del Río” (IQAR)Universidad de Alcalá E-28871 Alcalá de Henares, Madrid Spain
| | - Marco Marazzi
- Departamento de Química Analítica, Química Física e Ingeniería Química, Unidad de Química FísicaUniversidad de Alcalá Ctra. Madrid-Barcelona Km. 33,600 E-28871 Alcalá de Henares, Madrid Spain
- Instituto de Investigación Química “Andrés M. del Río” (IQAR)Universidad de Alcalá E-28871 Alcalá de Henares, Madrid Spain
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Synthetic access to new porphyrinoids from 2-nitro-5,10,15,20-tetraphenylporphyrin and an arylacetonitrile. MONATSHEFTE FUR CHEMIE 2019. [DOI: 10.1007/s00706-018-2283-y] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 10/28/2022]
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37
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Li X, Zhang LP, Kang L, Zhao Y. Novel mitochondrial-targeted thiadiazolo[3,4-g]quinoxaline dyes as efficient photosensitizers for ultra-low dose operable photodynamic therapy. Chem Commun (Camb) 2019; 55:11390-11393. [DOI: 10.1039/c9cc06271h] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Two novel thiadiazolo[3,4-g]quinoxaline based PSs (TQs-3 and TQs-4) were designed and synthesized. TQs-4 based nanoparticles exhibited outstanding PDT efficacies towards three tumor cell lines, showing a promising potential for PDT application.
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Affiliation(s)
- Xianqiang Li
- Key Laboratory of Photochemical Conversion and Optoelectronic Materials
- Technical Institute of Physics and Chemistry
- Chinese Academy of Sciences
- Haidian District
- China
| | - Li-Peng Zhang
- Key Laboratory of Photochemical Conversion and Optoelectronic Materials
- Technical Institute of Physics and Chemistry
- Chinese Academy of Sciences
- Haidian District
- China
| | - Lin Kang
- Key Laboratory of Photochemical Conversion and Optoelectronic Materials
- Technical Institute of Physics and Chemistry
- Chinese Academy of Sciences
- Haidian District
- China
| | - Yuxia Zhao
- Key Laboratory of Photochemical Conversion and Optoelectronic Materials
- Technical Institute of Physics and Chemistry
- Chinese Academy of Sciences
- Haidian District
- China
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38
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New hybrid composites for photodynamic therapy: synthesis, characterization and biological study. APPLIED NANOSCIENCE 2018. [DOI: 10.1007/s13204-018-0768-y] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 10/17/2022]
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39
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Klimenko IV, Lobanov AV. Spectral-Fluorescent Properties of Supramolecular Systems Based on Chlorin e6. RUSSIAN JOURNAL OF PHYSICAL CHEMISTRY B 2018. [DOI: 10.1134/s1990793118010074] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
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40
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Marazzi M, Gattuso H, Monari A, Assfeld X. Steady-State Linear and Non-linear Optical Spectroscopy of Organic Chromophores and Bio-macromolecules. Front Chem 2018; 6:86. [PMID: 29666792 PMCID: PMC5891624 DOI: 10.3389/fchem.2018.00086] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/31/2018] [Accepted: 03/12/2018] [Indexed: 01/05/2023] Open
Abstract
Bio-macromolecules as DNA, lipid membranes and (poly)peptides are essential compounds at the core of biological systems. The development of techniques and methodologies for their characterization is therefore necessary and of utmost interest, even though difficulties can be experienced due to their intrinsic complex nature. Among these methods, spectroscopies, relying on optical properties are especially important to determine their macromolecular structures and behaviors, as well as the possible interactions and reactivity with external dyes—often drugs or pollutants—that can (photo)sensitize the bio-macromolecule leading to eventual chemical modifications, thus damages. In this review, we will focus on the theoretical simulation of electronic spectroscopies of bio-macromolecules, considering their secondary structure and including their interaction with different kind of (photo)sensitizers. Namely, absorption, emission and electronic circular dichroism (CD) spectra are calculated and compared with the available experimental data. Non-linear properties will be also taken into account by two-photon absorption, a highly promising technique (i) to enhance absorption in the red and infra-red windows and (ii) to enhance spatial resolution. Methodologically, the implications of using implicit and explicit solvent, coupled to quantum and thermal samplings of the phase space, will be addressed. Especially, hybrid quantum mechanics/molecular mechanics (QM/MM) methods are explored for a comparison with solely QM methods, in order to address the necessity to consider an accurate description of environmental effects on spectroscopic properties of biological systems.
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Affiliation(s)
- Marco Marazzi
- Laboratoire de Physique et Chimie Théoriques, Université de Lorraine-Nancy, UMR 7019, Vandoeuvre-lés-Nancy, France.,Laboratoire de Physique et Chimie Théoriques, Centre National de la Recherche Scientifique, UMR 7019, Vandoeuvre-lès-Nancy, France.,Departamento de Química, Centro de Investigacíon en Síntesis Química (CISQ), Universidad de La Rioja, Logroño, Spain
| | - Hugo Gattuso
- Laboratoire de Physique et Chimie Théoriques, Université de Lorraine-Nancy, UMR 7019, Vandoeuvre-lés-Nancy, France.,Laboratoire de Physique et Chimie Théoriques, Centre National de la Recherche Scientifique, UMR 7019, Vandoeuvre-lès-Nancy, France
| | - Antonio Monari
- Laboratoire de Physique et Chimie Théoriques, Université de Lorraine-Nancy, UMR 7019, Vandoeuvre-lés-Nancy, France.,Laboratoire de Physique et Chimie Théoriques, Centre National de la Recherche Scientifique, UMR 7019, Vandoeuvre-lès-Nancy, France
| | - Xavier Assfeld
- Laboratoire de Physique et Chimie Théoriques, Université de Lorraine-Nancy, UMR 7019, Vandoeuvre-lés-Nancy, France.,Laboratoire de Physique et Chimie Théoriques, Centre National de la Recherche Scientifique, UMR 7019, Vandoeuvre-lès-Nancy, France
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41
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Brancini GTP, Rodrigues GB, Rambaldi MDSL, Izumi C, Yatsuda AP, Wainwright M, Rosa JC, Braga GÚL. The effects of photodynamic treatment with new methylene blue N on the Candida albicans proteome. Photochem Photobiol Sci 2018; 15:1503-1513. [PMID: 27830217 DOI: 10.1039/c6pp00257a] [Citation(s) in RCA: 24] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Candida albicans is a human pathogenic fungus mainly affecting immunocompromised patients. Resistance to the commonly used fungicides can lead to poor treatment of mucosal infections which, in turn, can result in life-threatening systemic candidiasis. In this scenario, antimicrobial photodynamic treatment (PDT) has emerged as an effective alternative to treat superficial and localized fungal infections. Microbial death in PDT is a consequence of the oxidation of many cellular biomolecules, including proteins. Here, we report a combination of two-dimensional electrophoresis and tandem mass spectrometry to study the protein damage resulting from treating C. albicans with PDT with new methylene blue N and red light. Two-dimensional gels of treated cells showed an increase in acidic spots in a fluence-dependent manner. Amino acid analysis revealed a decrease in the histidine content after PDT, which is one plausible explanation for the observed acidic shift. However, some protein spots remained unchanged. Protein identification by mass spectrometry revealed that both modified and unmodified proteins could be localized to the cytoplasm, ruling out subcellular location as the only explanation for damage selectivity. Therefore, we hypothesize that protein modification by PDT is a consequence of both photosensitizer binding affinity and the degree of exposure of the photooxidizable residues on the protein surface.
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Affiliation(s)
| | - Gabriela Braga Rodrigues
- Faculdade de Ciências Farmacêuticas de Ribeirão Preto, Universidade de São Paulo, Ribeirão Preto, SP, Brazil.
| | | | - Clarice Izumi
- Faculdade de Medicina de Ribeirão Preto, Universidade de São Paulo, Ribeirão Preto, Brazil.
| | - Ana Patrícia Yatsuda
- Faculdade de Ciências Farmacêuticas de Ribeirão Preto, Universidade de São Paulo, Ribeirão Preto, SP, Brazil.
| | - Mark Wainwright
- School of Pharmacy and Biomolecular Sciences, Liverpool John Moores University, Liverpool, UK.
| | - José César Rosa
- Faculdade de Medicina de Ribeirão Preto, Universidade de São Paulo, Ribeirão Preto, Brazil.
| | - Gilberto Úbida Leite Braga
- Faculdade de Ciências Farmacêuticas de Ribeirão Preto, Universidade de São Paulo, Ribeirão Preto, SP, Brazil.
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42
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Taniguchi M, Lindsey JS. Database of Absorption and Fluorescence Spectra of >300 Common Compounds for use in Photochem
CAD. Photochem Photobiol 2018; 94:290-327. [DOI: 10.1111/php.12860] [Citation(s) in RCA: 236] [Impact Index Per Article: 39.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/27/2017] [Accepted: 10/22/2017] [Indexed: 12/11/2022]
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43
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Dai L, Gu N, Chen BA, Marriott G. Human platelets repurposed as vehicles for in vivo imaging of myeloma xenotransplants. Oncotarget 2018; 7:21076-90. [PMID: 27049725 PMCID: PMC5008270 DOI: 10.18632/oncotarget.8517] [Citation(s) in RCA: 27] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/19/2016] [Accepted: 03/28/2016] [Indexed: 12/01/2022] Open
Abstract
Human platelets were identified in tumors by Trousseau in 1865, although their roles in tumor microenvironments have only recently attracted the attention of cancer researchers. In this study we exploit and enhance platelet interactions in tumor microenvironments by introducing tumor-targeting and imaging functions. The first step in repurposing human platelets as vehicles for tumor-targeting was to inhibit platelet-aggregation by cytoplasmic-loading of kabiramide (KabC), a potent inhibitor of actin polymerization and membrane protrusion. KabC-Platelets can accumulate high levels of other membrane-permeable cytoxins and probes, including epidoxorubicin, carboxyfluorescein di-ester and chlorin-e6. Finally, mild reaction conditions were developed to couple tumor-targeting proteins and antibodies to KabC-platelets. Fluorescence microscopy studies showed KabC-platelets, surface-coupled with transferrin and Cy5, bind specifically to RPMI8226 and K562 cells, both of which over-express the transferrin receptor. Repurposed platelets circulate for upto 9-days a feature that increases their chance of interacting with target cells. KabC-platelets, surface-coupled with transferrin and Cy7, or chlorin-e6, and injected in immuno-compromised mice were shown to accumulate specifically in sub-cutaneous and intra-cranial myeloma xenotransplants. The high-contrast, in vivo fluorescence images recorded from repurposed platelets within early-stage myeloma is a consequence in part of their large size (φ∼2μm), which allows them to transport 100 to 1000-times more targeting-protein and probe molecules respectively. Human platelets can be configured with a plurality of therapeutic and targeting antibodies to help stage tumor environments for an immunotherapy, or with combinations of therapeutic antibodies and therapeutic agents to target and treat cardiovascular and neurologic diseases.
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Affiliation(s)
- Lu Dai
- Department of Hematology, Zhongda Hospital, Medical School, Southeast University, Nanjing, China
| | - Ning Gu
- School of Biological Science and Medical Engineering, Southeast University, Nanjing, China
| | - Bao-An Chen
- Department of Hematology, Zhongda Hospital, Medical School, Southeast University, Nanjing, China
| | - Gerard Marriott
- School of Biological Science and Medical Engineering, Southeast University, Nanjing, China.,Department of Bioengineering, University of California, Berkeley, CA, United States of America
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44
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Synthesis and biological evaluation of new water-soluble photoactive chlorin conjugate for targeted delivery. Eur J Med Chem 2018; 144:740-750. [DOI: 10.1016/j.ejmech.2017.12.062] [Citation(s) in RCA: 23] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/11/2017] [Revised: 12/15/2017] [Accepted: 12/16/2017] [Indexed: 11/19/2022]
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45
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Chlorophyll a in cyclodextrin supramolecular complexes as a natural photosensitizer for photodynamic therapy (PDT) applications. MATERIALS SCIENCE & ENGINEERING. C, MATERIALS FOR BIOLOGICAL APPLICATIONS 2017; 85:47-56. [PMID: 29407156 DOI: 10.1016/j.msec.2017.12.012] [Citation(s) in RCA: 29] [Impact Index Per Article: 4.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/03/2017] [Revised: 09/22/2017] [Accepted: 12/07/2017] [Indexed: 01/17/2023]
Abstract
Chlorophyll a (Chl a), an amphipathic porphyrin, was employed as natural photosensitizer for photodynamic therapy applications. Due to its lacking solubility in water and high tendency to aggregate, Chl a was included into different modified cyclodextrins (CDs) to form stable water-soluble supramolecular complexes. To achieve this aim, 2-Hydroxypropyl-β-cyclodextrin (2-HP-β-CD), 2-Hydroxypropyl-γ-cyclodextrin (2-HP-γ-CD), Heptakis(2,6-di-o-methyl)-β-cyclodextrin (DIMEB) and Heptakis(2,3,6-tri-o-methyl)-β-cyclodextrin (TRIMEB) were used. The chemical physical properties of Chl a/CD complexes in cellular medium were studied by means of UV-Vis absorption spectroscopy. Results demonstrated the good aptitude of 2-HP-γ-CD, and more particularly of 2-HP-β-CD, to solubilize the Chl a in cell culture medium in monomeric and photoactive form. Then, Chl a/2-HP-β-CD and Chl a/2-HP-γ-CD complexes were evaluated in vitro on human colorectal adenocarcinoma HT-29 cell line, and cytotoxicity and intracellular localization were respectively assessed. Further tests, such as phototoxicity, ROS generation, intracellular localization and mechanism of cell death were then focused exclusively on Chl a/2-HP-β-CD system. This complex exhibited no dark toxicity and a high phototoxicity toward HT-29 cells inducing cell death via necrotic mechanism. Therefore, it is possible to affirm that Chl a/2-HP-β-CD supramolecular complex could be a promising and potential formulation for applications in photodynamic therapy.
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Longevial JF, El Cheikh K, Aggad D, Lebrun A, van der Lee A, Tielens F, Clément S, Morère A, Garcia M, Gary-Bobo M, Richeter S. Porphyrins Conjugated with Peripheral Thiolato Gold(I) Complexes for Enhanced Photodynamic Therapy. Chemistry 2017; 23:14017-14026. [DOI: 10.1002/chem.201702975] [Citation(s) in RCA: 26] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/28/2017] [Indexed: 01/12/2023]
Affiliation(s)
- Jean-François Longevial
- Institut Charles Gerhardt Montpellier, UMR 5253 CNRS-ENSCM-UM, CC 1701; Université de Montpellier; Place Eugène Bataillon 34095 Montpellier Cedex 05 France
| | - Khaled El Cheikh
- Institut des Biomolécules Max Mousseron, UMR 5247 CNRS-ENSCM-UM; Faculté de Pharmacie; 15, Avenue Charles Flahault 34093 Montpellier Cedex 05 France
| | - Dina Aggad
- Institut des Biomolécules Max Mousseron, UMR 5247 CNRS-ENSCM-UM; Faculté de Pharmacie; 15, Avenue Charles Flahault 34093 Montpellier Cedex 05 France
| | - Aurélien Lebrun
- Laboratoire de Mesures Physiques; Université de Montpellier; Place Eugène Bataillon 34095 Montpellier France
| | - Arie van der Lee
- Institut Européen des Membranes; UMR 5635 CNRS-ENSCM-UM; Place Eugène Bataillon 34095 Montpellier France
| | - Frederik Tielens
- Sorbonne Université, UPMC Université Paris 06, UMR 7574; Laboratoire Chimie de la Matière Condensée de Paris; Collège de France; 11 Place Berthelot 75023 Paris France
| | - Sébastien Clément
- Institut Charles Gerhardt Montpellier, UMR 5253 CNRS-ENSCM-UM, CC 1701; Université de Montpellier; Place Eugène Bataillon 34095 Montpellier Cedex 05 France
| | - Alain Morère
- Institut des Biomolécules Max Mousseron, UMR 5247 CNRS-ENSCM-UM; Faculté de Pharmacie; 15, Avenue Charles Flahault 34093 Montpellier Cedex 05 France
| | - Marcel Garcia
- Institut des Biomolécules Max Mousseron, UMR 5247 CNRS-ENSCM-UM; Faculté de Pharmacie; 15, Avenue Charles Flahault 34093 Montpellier Cedex 05 France
| | - Magali Gary-Bobo
- Institut des Biomolécules Max Mousseron, UMR 5247 CNRS-ENSCM-UM; Faculté de Pharmacie; 15, Avenue Charles Flahault 34093 Montpellier Cedex 05 France
| | - Sébastien Richeter
- Institut Charles Gerhardt Montpellier, UMR 5253 CNRS-ENSCM-UM, CC 1701; Université de Montpellier; Place Eugène Bataillon 34095 Montpellier Cedex 05 France
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Neginskaya M, Berezhnaya E, Uzdensky AB, Abramov AY. Reactive Oxygen Species Produced by a Photodynamic Effect Induced Calcium Signal in Neurons and Astrocytes. Mol Neurobiol 2017; 55:96-102. [DOI: 10.1007/s12035-017-0721-1] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/14/2023]
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48
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You X, Ma H, Wang Y, Zhang G, Peng Q, Liu L, Wang S, Zhang D. Pyridinium-Substituted TetraphenylethyleneEntailing Alkyne Moiety: Enhancement of Photosensitizing Efficiency and Antimicrobial Activity. Chem Asian J 2017; 12:1013-1019. [DOI: 10.1002/asia.201700243] [Citation(s) in RCA: 30] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/16/2017] [Revised: 03/13/2017] [Indexed: 12/29/2022]
Affiliation(s)
- Xue You
- CAS Key Laboratory of Organic Solids; Institute of Chemistry; Chinese Academy of Sciences; Beijing 100190 P.R. China
- University of Chinese Academy of Sciences; Beijing 100049 P. R. China
| | - Huili Ma
- Key Laboratory of Organic OptoElectronics and Molecular Engineering; Department of Chemistry; Tsinghua University; Beijing 100084 P. R. China
| | - Yuancheng Wang
- CAS Key Laboratory of Organic Solids; Institute of Chemistry; Chinese Academy of Sciences; Beijing 100190 P.R. China
- University of Chinese Academy of Sciences; Beijing 100049 P. R. China
| | - Guanxin Zhang
- CAS Key Laboratory of Organic Solids; Institute of Chemistry; Chinese Academy of Sciences; Beijing 100190 P.R. China
| | - Qian Peng
- CAS Key Laboratory of Organic Solids; Institute of Chemistry; Chinese Academy of Sciences; Beijing 100190 P.R. China
| | - Libing Liu
- CAS Key Laboratory of Organic Solids; Institute of Chemistry; Chinese Academy of Sciences; Beijing 100190 P.R. China
| | - Shu Wang
- CAS Key Laboratory of Organic Solids; Institute of Chemistry; Chinese Academy of Sciences; Beijing 100190 P.R. China
- University of Chinese Academy of Sciences; Beijing 100049 P. R. China
| | - Deqing Zhang
- CAS Key Laboratory of Organic Solids; Institute of Chemistry; Chinese Academy of Sciences; Beijing 100190 P.R. China
- University of Chinese Academy of Sciences; Beijing 100049 P. R. China
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Ji Y, Zhao J, Chu CC. Biodegradable nanocomplex from hyaluronic acid and arginine based poly(ester amide)s as the delivery vehicles for improved photodynamic therapy of multidrug resistant tumor cells: An in vitro study of the performance of chlorin e6 photosensitizer. J Biomed Mater Res A 2017; 105:1487-1499. [PMID: 27997760 DOI: 10.1002/jbm.a.35982] [Citation(s) in RCA: 15] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/16/2016] [Revised: 10/05/2016] [Accepted: 12/08/2016] [Indexed: 02/06/2023]
Abstract
Photodynamic therapy (PDT), which enables the localized therapeutic effect by light irradiation, provides an alternative and complementary modality for the treatment of tumor. However, the aggregation of photosensitizers in acidic microenvironment of tumor and the non-targeted distribution of photosensitizers in normal tissues significantly affect the PDT efficiency. In this study, we developed a biodegradable nanocomplex HA-Arg-PEA from hyaluronic acid (HA) and arginine based poly(ester amide)s (Arg-PEA) as the nanocarrier for chlorin e6 (Ce6). HA enhanced the tumor-specific endocytosis mediated by the overexpression of CD44 receptor. Arg-PEA not only provide electrostatic interaction with HA to form self-assembled nanostructure, but also improve the monomerization of Ce6 at physiological pH as well as mildly acidic pH. The biodegradable characteristic of HA-Arg-PEA nanocomplex enabled the intracellular delivery of Ce6, in which its release and generation of singlet oxygen can be accelerated by enzymatic degradation of the carrier. The in vitro PDT efficiency of Ce6-loaded HA-Arg-PEA nanocomplex was examined in CD44 positive MDA-MB-435/MDR multidrug resistant melanoma cells. CD44-mediated uptake of Ce6-loaded HA-Arg-PEA nanocomplex significantly improved Ce6 level in MDA-MB-435/MDR cells within short incubation time, and the PDT efficiency in inhibiting multidrug resistant tumor cells was also enhanced at higher Ce6 concentrations. © 2017 Wiley Periodicals, Inc. J Biomed Mater Res Part A: 105A: 1487-1499, 2017.
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Affiliation(s)
- Ying Ji
- Department of Fiber Science and Apparel Design, Cornell University, Ithaca, New York, 14853-4401
| | - Jihui Zhao
- School of Pharmacy, Shanghai University of Traditional Chinese Medicine, Shanghai, 201203, People's Republic of China
| | - Chih-Chang Chu
- Department of Fiber Science and Apparel Design, Cornell University, Ithaca, New York, 14853-4401.,Biomedical Engineering Field. Meinig School of Biomedical Engineering, Cornell University, Ithaca, New York, 14853-4401
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Dong Q, Li J, Cui L, Jian H, Wang A, Bai S. Using porous CaCO3/hyaluronic acid nanocages to accommodate hydrophobic photosensitizer in aqueous media for photodynamic therapy. Colloids Surf A Physicochem Eng Asp 2017. [DOI: 10.1016/j.colsurfa.2016.12.027] [Citation(s) in RCA: 26] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/31/2023]
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