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Kumar N, Sharma AK, Guleria M, Shelar SB, Chakraborty A, Rakshit S, Kolay S, Satpati D, Das T. Nuclear Localization Signal Enhances the Targeting and Therapeutic Efficacy of a Porphyrin-Based Molecular Cargo: A Systemic In Vitro and Ex Vivo Evaluation. Mol Pharm 2024; 21:2351-2364. [PMID: 38477252 DOI: 10.1021/acs.molpharmaceut.3c01152] [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] [Indexed: 03/14/2024]
Abstract
The objective of the present work was to evaluate the potential of a nuclear localization signal (NLS) toward facilitating intracellular delivery and enhancement in the therapeutic efficacy of the molecular cargo. Toward this, an in-house synthesized porphyrin derivative, namely, 5-carboxymethyelene-oxyphenyl-10,15,20-tris(4-methoxyphenyl) porphyrin (UTriMA), was utilized for conjugation with the NLS sequence [PKKKRKV]. The three compounds synthesized during the course of the present work, namely DOTA-Lys-NLS, DOTA-UTriMA-Lys-NLS, and DOTA-Lys-UTriMA, were evaluated for cellular toxicity in cancer cell lines (HT1080), wherein all exhibited minimal dark toxicity. However, during photocytotoxicity studies with DOTA-Lys-UTriMA and DOTA-UTriMA-Lys-NLS conjugates in the same cell line, the latter exhibited significantly higher light-dependent toxicity compared to the former. Furthermore, the photocytotoxicity for DOTA-UTriMA-Lys-NLS in a healthy cell line (WI26VA4) was found to be significantly lower than that observed in the cancer cells. Fluorescence cell imaging studies carried out in HT1080 cancer cells revealed intracellular accumulation for the NLS-conjugated porphyrin (DOTA-UTriMA-Lys-NLS), whereas unconjugated porphyrin (DOTA-Lys-UTriMA) failed to do so. To evaluate the radiotherapeutic effects of the synthesized conjugates, all three compounds were radiolabeled with 177Lu, a well-known therapeutic radionuclide with high radiochemical purity (>95%). During in vitro studies, the [177Lu]Lu-DOTA-UTriMA-Lys-NLS complex exhibited the highest cell binding as well as internalization among the three radiolabeled complexes. Biological distribution studies for the radiolabeled compounds were performed in a fibrosarcoma-bearing small animal model, wherein significantly higher accumulation and prolonged retention of [177Lu]Lu-DOTA-UTriMA-Lys-NLS (9.32 ± 1.27% IA/g at 24 h p.i.) in the tumorous lesion compared to [177Lu]Lu-UTriMA-Lys-DOTA (2.3 ± 0.13% IA/g at 24 h p.i.) and [177Lu]Lu-DOTA-Lys-NLS complexes (0.26 ± 0.17% IA/g at 24 h p.i.) were observed. The results of the biodistribution studies were further corroborated by recording serial SPECT-CT images of fibrosarcoma-bearing Swiss mice administered with [177Lu]Lu-DOTA-UTriMA-Lys-NLS at different time points. Tumor regression studies performed with [177Lu]Lu-DOTA-UTriMA-Lys-NLS in the same animal model with two different doses [250 μCi (9.25 MBq) and 500 μCi (18.5 MBq)] resulted in a significant reduction in tumor mass in the treated group of animals. The above results revealed a definite enhancement in the targeting ability of molecular cargo upon conjugation with NLS and hence indicated that this strategy may be helpful for the preparation of drug-NLS conjugates as multimodal agents.
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Affiliation(s)
- Naveen Kumar
- Radiopharmaceuticals Division, Bhabha Atomic Research Centre, Trombay, Mumbai 400085, India
- Homi Bhabha National Institute, Anushaktinagar, Mumbai 400094, India
| | - Amit K Sharma
- Radiopharmaceuticals Division, Bhabha Atomic Research Centre, Trombay, Mumbai 400085, India
- Homi Bhabha National Institute, Anushaktinagar, Mumbai 400094, India
| | - Mohini Guleria
- Radiopharmaceuticals Division, Bhabha Atomic Research Centre, Trombay, Mumbai 400085, India
- Homi Bhabha National Institute, Anushaktinagar, Mumbai 400094, India
| | - Sandeep B Shelar
- Chemistry Division, Bhabha Atomic Research Centre, Trombay, Mumbai 400085, India
| | - Avik Chakraborty
- Radiation Medicine Centre, Bhabha Atomic Research Centre, Parel, Mumbai 400012, India
| | - Sutapa Rakshit
- Radiation Medicine Centre, Bhabha Atomic Research Centre, Parel, Mumbai 400012, India
| | - Soumi Kolay
- Radiopharmaceuticals Division, Bhabha Atomic Research Centre, Trombay, Mumbai 400085, India
| | - Drishty Satpati
- Radiopharmaceuticals Division, Bhabha Atomic Research Centre, Trombay, Mumbai 400085, India
- Homi Bhabha National Institute, Anushaktinagar, Mumbai 400094, India
| | - Tapas Das
- Radiopharmaceuticals Division, Bhabha Atomic Research Centre, Trombay, Mumbai 400085, India
- Homi Bhabha National Institute, Anushaktinagar, Mumbai 400094, India
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2
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Mezzina L, Nicosia A, Barone L, Vento F, Mineo PG. Water-Soluble Star Polymer as a Potential Photoactivated Nanotool for Lysozyme Degradation. Polymers (Basel) 2024; 16:301. [PMID: 38276709 PMCID: PMC10819795 DOI: 10.3390/polym16020301] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/23/2023] [Revised: 01/18/2024] [Accepted: 01/19/2024] [Indexed: 01/27/2024] Open
Abstract
The development of nanotools for chemical sensing and macromolecular modifications is a new challenge in the biomedical field, with emphasis on artificial peptidases designed to cleave peptide bonds at specific sites. In this landscape, metal porphyrins are attractive due to their ability to form stable complexes with amino acids and to generate reactive oxygen species when irradiated by light of appropriate wavelengths. The issues of hydrophobic behavior and aggregation in aqueous environments of porphyrins can be solved by using its PEGylated derivatives. This work proposes the design of an artificial photo-protease agent based on a PEGylated mercury porphyrin, able to form a stable complex with l-Tryptophan, an amino acid present also in the lysozyme structure (a well-known protein model). The sensing and photodegradation features of PEGylated mercury porphyrin were exploited to detect and degrade both l-Trp and lysozyme using ROS, generated under green (532 nm) and red (650 nm) light lasers. The obtained system (Star3600_Hg) and its behavior as a photo-protease agent were studied by means of several spectroscopies (UV-Vis, fluorescence and circular dichroism), and MALDI-TOF mass spectrometry, showing the cleavage of lysozyme and the appearance of several short-chain residues. The approach of this study paves the way for potential applications in theranostics and targeted bio-medical therapies.
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Affiliation(s)
- Lidia Mezzina
- Department of Chemical Sciences and INSTM UdR of Catania, University of Catania, V.le A. Doria 6, I-95125 Catania, Italy; (L.M.); (L.B.); (F.V.)
| | - Angelo Nicosia
- Department of Chemical Sciences and INSTM UdR of Catania, University of Catania, V.le A. Doria 6, I-95125 Catania, Italy; (L.M.); (L.B.); (F.V.)
| | - Laura Barone
- Department of Chemical Sciences and INSTM UdR of Catania, University of Catania, V.le A. Doria 6, I-95125 Catania, Italy; (L.M.); (L.B.); (F.V.)
| | - Fabiana Vento
- Department of Chemical Sciences and INSTM UdR of Catania, University of Catania, V.le A. Doria 6, I-95125 Catania, Italy; (L.M.); (L.B.); (F.V.)
| | - Placido Giuseppe Mineo
- Department of Chemical Sciences and INSTM UdR of Catania, University of Catania, V.le A. Doria 6, I-95125 Catania, Italy; (L.M.); (L.B.); (F.V.)
- Institute for Chemical and Physical Processes, National Research Council (IPCF-CNR), Viale F. Stagno d’Alcontres 37, I-98158 Messina, Italy
- Institute of Polymers, Composites and Biomaterials, National Research Council (IPCB-CNR), Via P. Gaifami 18, I-95126 Catania, Italy
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3
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Sasaki I, Brégier F, Chemin G, Daniel J, Couvez J, Chkair R, Vaultier M, Sol V, Blanchard-Desce M. Hydrophilic Biocompatible Fluorescent Organic Nanoparticles as Nanocarriers for Biosourced Photosensitizers for Photodynamic Therapy. NANOMATERIALS (BASEL, SWITZERLAND) 2024; 14:216. [PMID: 38276734 PMCID: PMC10819872 DOI: 10.3390/nano14020216] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/08/2023] [Revised: 01/11/2024] [Accepted: 01/15/2024] [Indexed: 01/27/2024]
Abstract
Most photosensitizers of interest for photodynamic therapy-especially porphyrinoids and chlorins-are hydrophobic. To circumvent this difficulty, the use of nanocarriers is an attractive strategy. In this perspective, we have developed highly water-soluble and biocompatible fluorescent organic nanoparticles (FONPs) made from citric acid and diethyltriamine which are then activated by ethlynene diamine as nanoplatforms for efficient photosensitizers (PSs). Purpurin 18 (Pp18) was selected as a biosourced chlorin photosensitizer combining the efficient single oxygen generation ability and suitable absorption in the biological spectral window. The simple reaction of activated FONPs with Pp18, which contains a reactive anhydride ring, yielded nanoparticles containing both Pp18 and Cp6 derivatives. These functionalized nanoparticles combine solubility in water, high singlet oxygen generation quantum yield in aqueous media (0.72) and absorption both in the near UV region (FONPS) and in the visible region (Soret band approximately 420 nm as well as Q bands at 500 nm, 560 nm, 660 nm and 710 nm). The functionalized nanoparticles retain the blue fluorescence of FONPs when excited in the near UV region but also show deep-red or NIR fluorescence when excited in the visible absorption bands of the PSs (typically at 520 nm, 660 nm or 710 nm). Moreover, these nanoparticles behave as efficient photosensitizers inducing colorectal cancer cell (HCT116 and HT-29 cell lines) death upon illumination at 650 nm. Half maximal inhibitory concentration (IC50) values down to, respectively, 0.04 and 0.13 nmol/mL were observed showing the potential of FONPs[Cp6] for the PDT treatment of cancer. In conclusion, we have shown that these novel biocompatible nanoparticles, which can be elaborated from biosourced components, both show deep-red emission upon excitation in the red region and are able to produce singlet oxygen with high efficiency in aqueous environments. Moreover, they show high PDT efficiency on colorectal cancer cells upon excitation in the deep red region. As such, these functional organic nanoparticles hold promise both for PDT treatment and theranostics.
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Affiliation(s)
- Isabelle Sasaki
- Institut des Sciences Moléculaires (ISM, UMR5255), University of Bordeaux, Centre National de la Recherche Scientifique, Institut Polytechnique de Bordeaux, Bat A12, 351 Cours de la Libération, 33405 Talence, France (J.C.)
| | - Frédérique Brégier
- Laboratoire des Agroressources, Biomolécules et Chimie pour l’Innovation en Santé (LABCiS, UR22722), University of Limoges, 87000 Limoges, France; (F.B.); (G.C.)
| | - Guillaume Chemin
- Laboratoire des Agroressources, Biomolécules et Chimie pour l’Innovation en Santé (LABCiS, UR22722), University of Limoges, 87000 Limoges, France; (F.B.); (G.C.)
| | - Jonathan Daniel
- Institut des Sciences Moléculaires (ISM, UMR5255), University of Bordeaux, Centre National de la Recherche Scientifique, Institut Polytechnique de Bordeaux, Bat A12, 351 Cours de la Libération, 33405 Talence, France (J.C.)
| | - Justine Couvez
- Institut des Sciences Moléculaires (ISM, UMR5255), University of Bordeaux, Centre National de la Recherche Scientifique, Institut Polytechnique de Bordeaux, Bat A12, 351 Cours de la Libération, 33405 Talence, France (J.C.)
| | - Rayan Chkair
- Laboratoire des Agroressources, Biomolécules et Chimie pour l’Innovation en Santé (LABCiS, UR22722), University of Limoges, 87000 Limoges, France; (F.B.); (G.C.)
| | - Michel Vaultier
- Institut des Sciences Moléculaires (ISM, UMR5255), University of Bordeaux, Centre National de la Recherche Scientifique, Institut Polytechnique de Bordeaux, Bat A12, 351 Cours de la Libération, 33405 Talence, France (J.C.)
| | - Vincent Sol
- Laboratoire des Agroressources, Biomolécules et Chimie pour l’Innovation en Santé (LABCiS, UR22722), University of Limoges, 87000 Limoges, France; (F.B.); (G.C.)
| | - Mireille Blanchard-Desce
- Institut des Sciences Moléculaires (ISM, UMR5255), University of Bordeaux, Centre National de la Recherche Scientifique, Institut Polytechnique de Bordeaux, Bat A12, 351 Cours de la Libération, 33405 Talence, France (J.C.)
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Wang Q, Pyykkö J, Dimitrova M, Taubert S, Sundholm D. Current-density pathways in figure-eight-shaped octaphyrins. Phys Chem Chem Phys 2023; 25:12469-12478. [PMID: 37097103 DOI: 10.1039/d3cp01062g] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 04/26/2023]
Abstract
We have calculated the current density induced by an external magnetic field in a set of figure-eight-shaped expanded porphyrinoids. The studied octaphyrins can be divided into three classes (N2, N4, and N6) based on the number of the inner hydrogen atoms of the pyrrole rings. Using the Runge-Kutta method, the current density is split into diatropic and paratropic contributions that are analyzed separately. The calculations show that one common ring current consists of two rather independent pathways. Each of them follows the outer side of the molecular frame of one half of the molecule and passes to the inner side of the frame on the other half. The ring-current pathways are similar to the ones for [12]infinitene. However, the current density of the octaphyrins is more complex having many branching points and pathways. Vertical through-space current-density pathways pass in the middle of the molecules through a plane that is parallel to the figure-eight-shaped view of the molecules when the magnetic field is perpendicular to the plane. The isolectronic N2 and the N4 dication sustain a weak paratropic ring current inside the molecule, which is also observed in the 1H NMR magnetic shielding constant of the inner hydrogen atoms. The diatropic current-density contribution dominates in the studied molecules. For the N4 and N6 molecules, the global current-density pathways are only diatropic and N6 sustains the strongest global diatropic current-density flux of 13.2 nA T-1.
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Affiliation(s)
- Qian Wang
- Department of Chemistry, Faculty of Science, P.O. Box 55 (A.I. Virtanens plats 1), FIN-00014 University of Helsinki, Finland.
| | - Jaakko Pyykkö
- Department of Chemistry, Faculty of Science, P.O. Box 55 (A.I. Virtanens plats 1), FIN-00014 University of Helsinki, Finland.
| | - Maria Dimitrova
- Department of Chemistry, Faculty of Science, P.O. Box 55 (A.I. Virtanens plats 1), FIN-00014 University of Helsinki, Finland.
| | - Stefan Taubert
- Department of Chemistry, Faculty of Science, P.O. Box 55 (A.I. Virtanens plats 1), FIN-00014 University of Helsinki, Finland.
| | - Dage Sundholm
- Department of Chemistry, Faculty of Science, P.O. Box 55 (A.I. Virtanens plats 1), FIN-00014 University of Helsinki, Finland.
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Sharma VK, Assaraf YG, Gross Z. Hallmarks of anticancer and antimicrobial activities of corroles. Drug Resist Updat 2023; 67:100931. [PMID: 36739808 DOI: 10.1016/j.drup.2023.100931] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/16/2022] [Revised: 01/06/2023] [Accepted: 01/16/2023] [Indexed: 01/22/2023]
Abstract
Corroles provide a remarkable opportunity for the development of cancer theranostic agents among other porphyrinoids. While most transition metal corrole complexes are only therapeutic, post-transition metallocorroles also find their applications in bioimaging. Moreover, corroles exhibit excellent photo-physicochemical properties, which can be harnessed for antitumor and antimicrobial interventions. Nevertheless, these intriguing, yet distinct properties of corroles, have not attained sufficient momentum in cancer research. The current review provides a comprehensive summary of various cancer-relevant features of corroles ranging from their structural and photophysical properties, chelation, protein/corrole interactions, to DNA intercalation. Another aspect of the paper deals with the studies of corroles conducted in vitro and in vivo with an emphasis on medical imaging (optical and magnetic resonance), photo/sonodynamic therapies, and photodynamic inactivation. Special attention is also given to a most recent finding that shows the development of pH-responsive phosphorus corrole as a potent antitumor drug for organelle selective antitumor cytotoxicity in preclinical studies. Another biomedical application of corroles is also highlighted, signifying the application of water-soluble and completely lipophilic corroles in the photodynamic inactivation of microorganisms. We strongly believe that future studies will offer a greater possibility of utilizing advanced corroles for selective tumor targeting and antitumor cytotoxicity. In the line with future developments, an ideal pipeline is envisioned on grounds of cancer targeting nanoparticle systems upon decoration with tumor-specific ligands. Hence, we envision that a bright future lies ahead of corrole anticancer research and therapeutics.
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Affiliation(s)
- Vinay K Sharma
- Schulich Faculty of Chemistry, Technion - Israel Institute of Technology, Haifa 3200003, Israel.
| | - Yehuda G Assaraf
- The Fred Wyszkowski Cancer Research Laboratory, Department of Biology, Technion-Israel Institute of Technology, Haifa 3200003, Israel.
| | - Zeev Gross
- Schulich Faculty of Chemistry, Technion - Israel Institute of Technology, Haifa 3200003, Israel.
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6
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Harmandar K, Giray G, Önal E, Sengul IF, Özdemir S, Atilla D. New AB 3-type porphyrins with piperidine and morpholine motifs; synthesis and photo-physicochemical and biological properties. Dalton Trans 2023; 52:2672-2683. [PMID: 36745464 DOI: 10.1039/d2dt03738f] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/19/2023]
Abstract
In this study, new unsymmetrical meso-tetraaryl AB3-type porphyrins 1 and 2 were successfully synthesized by the reaction of p-bromobenzaldehyde and p-hydroxybenzaldehyde with pyrrole in propionic acid. AB3-type porphyrin building blocks with hydroxyl functionality (1 and 2) were further used to generate both covalently linked metal free and Zn(II) porphyrins 3-6 having piperidine and morpholine heterocyclic units. These novel compounds were characterized by using 1H NMR, 13C NMR, FT-IR and MALDI-TOF spectrophotometry. The photophysical and photochemical properties of compounds 1-6 were investigated by employing UV-vis absorption and fluorescence emission spectroscopy in tetrahydrofuran (THF). From the view of biological properties, the antioxidant capacities of porphyrins were determined by using DPPH radical scavenging activity and 2 was determined as the most potent porphyrin analog with a value of 98.42% at 200 mg L-1. All the targeted compounds displayed significant DNA nuclease activity. In addition, the antimicrobial potential of compounds 1-6 was also investigated by a micro-dilution process and 2 was found to be the most effective candidate against the tested microbial strains. The newly synthesized porphyrins also showed 100% microbial cell viability inhibition against E. coli at all examined concentrations. In terms of biofilm inhibition activity, the best results for the maximum photodynamic antimicrobial biofilm inhibition of S. aureus and P. aeruginosa were obtained by compound 2 with the values of 99.75% and 93.39%, respectively.
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Affiliation(s)
- Kevser Harmandar
- Gebze Technical University, Department of Chemistry, 41400, Gebze, Kocaeli, Turkey.
| | - Gülay Giray
- Department of Veterinary Medicine, Ihsangazi Technical Science Vocational School, Ihsangazi, Kastamonu, Turkey
| | - Emel Önal
- Doğuş University, Faculty of Engineering, Ümraniye, 34775, Istanbul, Turkey
| | - Ibrahim F Sengul
- Gebze Technical University, Department of Chemistry, 41400, Gebze, Kocaeli, Turkey.
| | - Sadin Özdemir
- Food Processing Programme, Technical Science Vocational School, Mersin University, TR-33343 Yenisehir, Mersin, Turkey
| | - Devrim Atilla
- Gebze Technical University, Department of Chemistry, 41400, Gebze, Kocaeli, Turkey.
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7
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Ndlovu KS, Moloto MJ, Sekhosana KE, Nkambule TTI, Managa M. Porphyrins developed for photoinactivation of microbes in wastewater. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2023; 30:11210-11225. [PMID: 36515881 DOI: 10.1007/s11356-022-24644-8] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/27/2022] [Accepted: 12/04/2022] [Indexed: 06/17/2023]
Abstract
Photodynamic antimicrobial chemotherapy (PACT) is extensively studied as a strategic method to inactivate pathogenic microbes in wastewater for addressing the limitations associated with chlorination, ozonation, and ultraviolet irradiation as disinfection methods, which generally promote the development of resistant genes and harmful by-products such as trihalomethanes. PACT is dependent on photons, oxygen, and a photosensitizer to induce cytotoxic effects on various microbes by generating reactive oxygen species. Photosensitizers such as porphyrins have demonstrated significant microbial inactivation through PACT, hence now explored for wastewater phototreatment. This review aims to evaluate the efficacy of porphyrins and porphyrin-conjugates as photosensitizers for wastewater photoinactivation. Concerns relating to the application of photosensitizers in water treatment are also evaluated. This includes recovery and reuse of the photosensitizer when immobilized on solid supports.
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Affiliation(s)
- Knowledge Siyabonga Ndlovu
- Institute for Nanotechnology and Water Sustainability (iNanoWS), Florida Campus, College of Science, Engineering and Technology, University of South Africa, Johannesburg, 1710, South Africa
| | - Makwena Justice Moloto
- Institute for Nanotechnology and Water Sustainability (iNanoWS), Florida Campus, College of Science, Engineering and Technology, University of South Africa, Johannesburg, 1710, South Africa
| | - Kutloano Edward Sekhosana
- Institute for Nanotechnology and Water Sustainability (iNanoWS), Florida Campus, College of Science, Engineering and Technology, University of South Africa, Johannesburg, 1710, South Africa
| | - Thabo Thokozani Innocent Nkambule
- Institute for Nanotechnology and Water Sustainability (iNanoWS), Florida Campus, College of Science, Engineering and Technology, University of South Africa, Johannesburg, 1710, South Africa
| | - Muthumuni Managa
- Institute for Nanotechnology and Water Sustainability (iNanoWS), Florida Campus, College of Science, Engineering and Technology, University of South Africa, Johannesburg, 1710, South Africa.
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8
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Gradova M, Gradov O, Bychkova A, Motyakin M, Ionova I, Lobanov A. Interaction between meso-tetra-(4-hydroxyphenyl)porphyrin and SDS in aqueous solutions: Premicellar porphyrin-surfactant J-aggregate formation. Chem Phys 2022. [DOI: 10.1016/j.chemphys.2022.111655] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/03/2022]
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9
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O'Neill JS, Kearney L, Brandon MP, Pryce MT. Design components of porphyrin-based photocatalytic hydrogen evolution systems: A review. Coord Chem Rev 2022. [DOI: 10.1016/j.ccr.2022.214599] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/04/2023]
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10
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Biswas K, Urbani M, Sánchez-Grande A, Soler-Polo D, Lauwaet K, Matěj A, Mutombo P, Veis L, Brabec J, Pernal K, Gallego JM, Miranda R, Écija D, Jelínek P, Torres T, Urgel JI. Interplay between π-Conjugation and Exchange Magnetism in One-Dimensional Porphyrinoid Polymers. J Am Chem Soc 2022; 144:12725-12731. [PMID: 35817408 PMCID: PMC9305978 DOI: 10.1021/jacs.2c02700] [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] [Indexed: 12/12/2022]
Abstract
The synthesis of novel polymeric materials with porphyrinoid compounds as key components of the repeating units attracts widespread interest from several scientific fields in view of their extraordinary variety of functional properties with potential applications in a wide range of highly significant technologies. The vast majority of such polymers present a closed-shell ground state, and, only recently, as the result of improved synthetic strategies, the engineering of open-shell porphyrinoid polymers with spin delocalization along the conjugation length has been achieved. Here, we present a combined strategy toward the fabrication of one-dimensional porphyrinoid-based polymers homocoupled via surface-catalyzed [3 + 3] cycloaromatization of isopropyl substituents on Au(111). Scanning tunneling microscopy and noncontact atomic force microscopy describe the thermal-activated intra- and intermolecular oxidative ring closure reactions as well as the controlled tip-induced hydrogen dissociation from the porphyrinoid units. In addition, scanning tunneling spectroscopy measurements, complemented by computational investigations, reveal the open-shell character, that is, the antiferromagnetic singlet ground state (S = 0) of the formed polymers, characterized by singlet-triplet inelastic excitations observed between spins of adjacent porphyrinoid units. Our approach sheds light on the crucial relevance of the π-conjugation in the correlations between spins, while expanding the on-surface synthesis toolbox and opening avenues toward the synthesis of innovative functional nanomaterials with prospects in carbon-based spintronics.
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Affiliation(s)
- Kalyan Biswas
- IMDEA Nanoscience, C/ Faraday 9, Campus de Cantoblanco, Madrid 28049, Spain
| | - Maxence Urbani
- IMDEA Nanoscience, C/ Faraday 9, Campus de Cantoblanco, Madrid 28049, Spain
| | - Ana Sánchez-Grande
- IMDEA Nanoscience, C/ Faraday 9, Campus de Cantoblanco, Madrid 28049, Spain
| | - Diego Soler-Polo
- Institute of Physics of the Czech Academy of Science, Praha 162 00, Czech Republic
| | - Koen Lauwaet
- IMDEA Nanoscience, C/ Faraday 9, Campus de Cantoblanco, Madrid 28049, Spain
| | - Adam Matěj
- Institute of Physics of the Czech Academy of Science, Praha 162 00, Czech Republic.,Regional Centre of Advanced Technologies and Materials, Czech Advanced Technology and Research Institute (CATRIN), Palacký University Olomouc, Olomouc 783 71, Czech Republic
| | - Pingo Mutombo
- Institute of Physics of the Czech Academy of Science, Praha 162 00, Czech Republic
| | - Libor Veis
- J. Heyrovský Institute of Physical Chemistry, Czech Academy of Sciences, Prague 182 00, Czech Republic
| | - Jiri Brabec
- J. Heyrovský Institute of Physical Chemistry, Czech Academy of Sciences, Prague 182 00, Czech Republic
| | - Katarzyna Pernal
- Institute of Physics, Lodz University of Technology, Lodz 90-924, Poland
| | - José M Gallego
- Instituto de Ciencia de Materiales de Madrid, CSIC, Cantoblanco, Madrid 28049, Spain
| | - Rodolfo Miranda
- IMDEA Nanoscience, C/ Faraday 9, Campus de Cantoblanco, Madrid 28049, Spain.,Departamento de Física de La Materia Condensada, Universidad Autónoma de Madrid, Madrid 28049, Spain
| | - David Écija
- IMDEA Nanoscience, C/ Faraday 9, Campus de Cantoblanco, Madrid 28049, Spain
| | - Pavel Jelínek
- Institute of Physics of the Czech Academy of Science, Praha 162 00, Czech Republic.,Regional Centre of Advanced Technologies and Materials, Czech Advanced Technology and Research Institute (CATRIN), Palacký University Olomouc, Olomouc 783 71, Czech Republic
| | - Tomás Torres
- IMDEA Nanoscience, C/ Faraday 9, Campus de Cantoblanco, Madrid 28049, Spain.,Departamento de Química Orgánica and Institute for Advanced Research in Chemistry (IAdChem), Universidad Autónoma de Madrid, Madrid 28049, Spain
| | - José I Urgel
- IMDEA Nanoscience, C/ Faraday 9, Campus de Cantoblanco, Madrid 28049, Spain
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Wang H, Picchio ML, Calderón M. One stone, many birds: Recent advances in functional nanogels for cancer nanotheranostics. WILEY INTERDISCIPLINARY REVIEWS. NANOMEDICINE AND NANOBIOTECHNOLOGY 2022; 14:e1791. [PMID: 35338603 PMCID: PMC9540470 DOI: 10.1002/wnan.1791] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 12/01/2021] [Revised: 01/28/2022] [Accepted: 03/01/2022] [Indexed: 12/18/2022]
Abstract
Inspired by the development of nanomedicine and nanotechnology, more and more possibilities in cancer theranostic have been provided in the last few years. Emerging therapeutic modalities like starvation therapy, chemodynamic therapy, and tumor oxygenation have been integrated with diagnosis, giving a plethora of theranostic nanoagents. Among all of them, nanogels (NGs) show superiority benefiting from their unique attributes: high stability, high water-absorption, large specific surface area, mechanical strength, controlled responsiveness, and high encapsulation capacity. There have been a vast number of investigations supporting various NGs combining drug delivery and multiple bioimaging techniques, encompassing photothermal imaging, photoacoustic imaging, fluorescent imaging, ultrasound imaging, magnetic resonance imaging, and computed tomography. This review summarizes recent advances in functional NGs for theranostic nanomedicine and discusses the challenges and future perspectives of this fast-growing field. This article is categorized under: Therapeutic Approaches and Drug Discovery > Emerging Technologies Therapeutic Approaches and Drug Discovery > Nanomedicine for Oncologic Disease Nanotechnology Approaches to Biology > Nanoscale Systems in Biology Diagnostic Tools > In Vivo Nanodiagnostics and Imaging.
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Affiliation(s)
- Huiyi Wang
- POLYMAT, Applied Chemistry Department, Faculty of Chemistry, University of the Basque Country, UPV/EHU, Donostia-San Sebastián, Spain
| | - Matias L Picchio
- POLYMAT, Applied Chemistry Department, Faculty of Chemistry, University of the Basque Country, UPV/EHU, Donostia-San Sebastián, Spain
| | - Marcelo Calderón
- POLYMAT, Applied Chemistry Department, Faculty of Chemistry, University of the Basque Country, UPV/EHU, Donostia-San Sebastián, Spain.,IKERBASQUE, Basque Foundation for Science, Bilbao, Spain
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12
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Bieniek A, Wiśniewski M, Czarnecka J, Wierzbicki J, Ziętek M, Nowacki M, Grzanka D, Kloskowski T, Roszek K. Porphyrin Based 2D-MOF Structures as Dual-Kinetic Sorafenib Nanocarriers for Hepatoma Treatment. Int J Mol Sci 2021; 22:ijms222011161. [PMID: 34681820 PMCID: PMC8536990 DOI: 10.3390/ijms222011161] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/30/2021] [Revised: 10/13/2021] [Accepted: 10/14/2021] [Indexed: 12/12/2022] Open
Abstract
The existing clinical protocols of hepatoma treatment require improvement of drug efficacy that can be achieved by harnessing nanomedicine. Porphyrin-based, paddle-wheel framework (PPF) structures were obtained and tested as dual-kinetic Sorafenib (SOR) nanocarriers against hepatoma. We experimentally proved that sloughing of PPF structures combined with gradual dissolving are effective mechanisms for releasing the drug from the nanocarrier. By controlling the PPF degradation and size of adsorbed SOR deposits, we were able to augment SOR anticancer effects, both in vitro and in vivo, due to the dual kinetic behavior of SOR@PPF. Obtained drug delivery systems with slow and fast release of SOR influenced effectively, although in a different way, the cancer cells proliferation (reflected with EC50 and ERK 1/2 phosphorylation level). The in vivo studies proved that fast-released SOR@PPF reduces the tumor size considerably, while the slow-released SOR@PPF much better prevents from lymph nodes involvement and distant metastases.
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Affiliation(s)
- Adam Bieniek
- Physicochemistry of Carbon Materials Research Group, Faculty of Chemistry, Nicolaus Copernicus University in Toruń, 87-100 Toruń, Poland;
| | - Marek Wiśniewski
- Physicochemistry of Carbon Materials Research Group, Faculty of Chemistry, Nicolaus Copernicus University in Toruń, 87-100 Toruń, Poland;
- Correspondence: (M.W.); (K.R.)
| | - Joanna Czarnecka
- Department of Biochemistry, Faculty of Biological and Veterinary Sciences, Nicolaus Copernicus University in Toruń, 87-100 Toruń, Poland;
| | - Jędrzej Wierzbicki
- Student’s Scientific Society, Ludwik Rydygier Collegium Medicum in Bydgoszcz, Nicolaus Copernicus University in Torun, Jagiellońska Street 13/15, 85-067 Bydgoszcz, Poland;
| | - Marcin Ziętek
- Department of Oncology, Wroclaw Medical University, 53-413 Wroclaw, Poland; (M.Z.); (M.N.)
- Lower Silesian Comprehensive Cancer Center, Department of Surgical Oncology, Hirszfelda 12, 53-413 Wroclaw, Poland
| | - Maciej Nowacki
- Department of Oncology, Wroclaw Medical University, 53-413 Wroclaw, Poland; (M.Z.); (M.N.)
- Department of Dermatology, Sexually Transmitted Diseases and Immunodermatology, Ludwik Rydygier Medical College in Bydgoszcz, Nicolaus Copernicus University in Torun, Sklodowskiej-Curie 9 Street, 85-094 Bydgoszcz, Poland
| | - Dariusz Grzanka
- Department of Pathology, Faculty of Medicine, Collegium Medicum in Bydgoszcz, Nicolaus Copernicus University in Torun, Sklodowskiej-Curie 9 Street, 85-094 Bydgoszcz, Poland;
| | - Tomasz Kloskowski
- Department of Regenerative Medicine, Cell and Tissue Bank, Nicolaus Copernicus University in Torun, Ludwik Rydygier Medical College in Bydgoszcz, 85-094 Bydgoszcz, Poland;
| | - Katarzyna Roszek
- Department of Biochemistry, Faculty of Biological and Veterinary Sciences, Nicolaus Copernicus University in Toruń, 87-100 Toruń, Poland;
- Correspondence: (M.W.); (K.R.)
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Wang Z, Sun Q, Liu B, Kuang Y, Gulzar A, He F, Gai S, Yang P, Lin J. Recent advances in porphyrin-based MOFs for cancer therapy and diagnosis therapy. Coord Chem Rev 2021. [DOI: 10.1016/j.ccr.2021.213945] [Citation(s) in RCA: 20] [Impact Index Per Article: 6.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/09/2023]
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14
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Li C, Liu C, Fan Y, Ma X, Zhan Y, Lu X, Sun Y. Recent development of near-infrared photoacoustic probes based on small-molecule organic dye. RSC Chem Biol 2021; 2:743-758. [PMID: 34458809 PMCID: PMC8341990 DOI: 10.1039/d0cb00225a] [Citation(s) in RCA: 25] [Impact Index Per Article: 8.3] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/05/2020] [Accepted: 03/07/2021] [Indexed: 12/22/2022] Open
Abstract
Photoacoustic imaging (PAI), which integrates the higher spatial resolution of optical imaging and the deeper penetration depth of ultrasound imaging, has attracted great attention. Various photoacoustic probes including inorganic and organic agents have been well fabricated in last decades. Among them, small-molecule based agents are most promising candidates for preclinical/clinical applications due to their favorite in vivo features and facile functionalization. In recent years, PAI, in the near-infrared region (NIR, 700-1700 nm) has developed rapidly and has made remarkable achievements in the biomedical field. Compared with the visible light region (400-700 nm), it can significantly reduce light scattering and meanwhile provide deeper tissue penetration. In this review, we discuss the recent developments of near-infrared photoacoustic probes based on small molecule dyes, which focus on their "always on" and "activatable" form in biomedicine. Further, we also suggest current challenges and perspectives.
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Affiliation(s)
- Chonglu Li
- School of Chemistry and Chemical Engineering, Hubei Polytechnic University Huangshi 435003 China
- Collaborative Innovation Center of Atmospheric Environment and Equipment Technology, Jiangsu Key Laboratory of Atmospheric Environment Monitoring and Pollution Control (AEMPC), Nanjing University of Information Science & Technology Nanjing 210044 China
| | - Chang Liu
- Collaborative Innovation Center of Atmospheric Environment and Equipment Technology, Jiangsu Key Laboratory of Atmospheric Environment Monitoring and Pollution Control (AEMPC), Nanjing University of Information Science & Technology Nanjing 210044 China
- Key Laboratory of Pesticides and Chemical Biology, Ministry of Education, International Joint Research Center for Intelligent Biosensor Technology and Health, Center of Chemical Biology, College of Chemistry, Central China Normal University Wuhan 430079 China
| | - Yifan Fan
- Key Laboratory of Pesticides and Chemical Biology, Ministry of Education, International Joint Research Center for Intelligent Biosensor Technology and Health, Center of Chemical Biology, College of Chemistry, Central China Normal University Wuhan 430079 China
| | - Xin Ma
- Guangdong Provincial Key Laboratory of Radioactive and Rare Resource Utilization Shaoguan 512026 China
| | - Yibei Zhan
- School of Chemistry and Chemical Engineering, Hubei Polytechnic University Huangshi 435003 China
| | - Xiaoju Lu
- School of Chemistry and Chemical Engineering, Hubei Polytechnic University Huangshi 435003 China
| | - Yao Sun
- Key Laboratory of Pesticides and Chemical Biology, Ministry of Education, International Joint Research Center for Intelligent Biosensor Technology and Health, Center of Chemical Biology, College of Chemistry, Central China Normal University Wuhan 430079 China
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Hernández-Gil J, Lewis JS, Reiner T, Drain CM, Gonzales J. Leveraging synthetic chlorins for bio-imaging applications. Chem Commun (Camb) 2021; 56:12608-12611. [PMID: 32945820 DOI: 10.1039/d0cc05494a] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/26/2022]
Abstract
Synthetic chlorins are not only fluorescent, the modulation of the tetrapyrrole system can also chelate metal ions. Conjugation of linkers at their pyrrolidines allows for conjugation to bio-molecules to create target specificity. By altering these chemo-photophysical properties, this work facilitates the use of chlorins in fluorescent imaging and positron emission tomography (PET).
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Affiliation(s)
- Javier Hernández-Gil
- Department of Radiology, Memorial Sloan Kettering Cancer Center, 1275 York Avenue, New York, NY 10065, USA. and Biomedical MRI/MoSAIC, Department of Imaging and Pathology, Katholieke Universiteit Leuven, Herestraat 49, B3000, Leuven, Belgium
| | - Jason S Lewis
- Department of Radiology, Memorial Sloan Kettering Cancer Center, 1275 York Avenue, New York, NY 10065, USA. and Weill-Cornell Medical College, 1300 York Avenue, New York, NY 10065, USA and Molecular Pharmacology, Memorial Sloan Kettering Cancer Center, 1275 York Avenue, New York, NY 10065, USA
| | - Thomas Reiner
- Department of Radiology, Memorial Sloan Kettering Cancer Center, 1275 York Avenue, New York, NY 10065, USA. and Weill-Cornell Medical College, 1300 York Avenue, New York, NY 10065, USA and Chemical Biology Program, Memorial Sloan Kettering Cancer Center, 1275 York Avenue, New York, NY 10065, USA
| | - Charles Michael Drain
- Department of Chemistry, Hunter College of The City University of New York, 695 Park Avenue, New York, NY 10065, USA
| | - Junior Gonzales
- Department of Radiology, Memorial Sloan Kettering Cancer Center, 1275 York Avenue, New York, NY 10065, USA. and Department of Chemistry, Hunter College of The City University of New York, 695 Park Avenue, New York, NY 10065, USA
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16
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Gjuroski I, Furrer J, Vermathen M. Probing the Interactions of Porphyrins with Macromolecules Using NMR Spectroscopy Techniques. Molecules 2021; 26:1942. [PMID: 33808335 PMCID: PMC8037866 DOI: 10.3390/molecules26071942] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/24/2021] [Revised: 03/22/2021] [Accepted: 03/24/2021] [Indexed: 12/11/2022] Open
Abstract
Porphyrinic compounds are widespread in nature and play key roles in biological processes such as oxygen transport in blood, enzymatic redox reactions or photosynthesis. In addition, both naturally derived as well as synthetic porphyrinic compounds are extensively explored for biomedical and technical applications such as photodynamic therapy (PDT) or photovoltaic systems, respectively. Their unique electronic structures and photophysical properties make this class of compounds so interesting for the multiple functions encountered. It is therefore not surprising that optical methods are typically the prevalent analytical tool applied in characterization and processes involving porphyrinic compounds. However, a wealth of complementary information can be obtained from NMR spectroscopic techniques. Based on the advantage of providing structural and dynamic information with atomic resolution simultaneously, NMR spectroscopy is a powerful method for studying molecular interactions between porphyrinic compounds and macromolecules. Such interactions are of special interest in medical applications of porphyrinic photosensitizers that are mostly combined with macromolecular carrier systems. The macromolecular surrounding typically stabilizes the encapsulated drug and may also modify its physical properties. Moreover, the interaction with macromolecular physiological components needs to be explored to understand and control mechanisms of action and therapeutic efficacy. This review focuses on such non-covalent interactions of porphyrinic drugs with synthetic polymers as well as with biomolecules such as phospholipids or proteins. A brief introduction into various NMR spectroscopic techniques is given including chemical shift perturbation methods, NOE enhancement spectroscopy, relaxation time measurements and diffusion-ordered spectroscopy. How these NMR tools are used to address porphyrin-macromolecule interactions with respect to their function in biomedical applications is the central point of the current review.
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Affiliation(s)
| | | | - Martina Vermathen
- Department of Chemistry, Biochemistry and Pharmaceutical Sciences, University of Bern, Freiestrasse 3, 3012 Bern, Switzerland; (I.G.); (J.F.)
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17
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Evaluation of the correlation between porphyrin accumulation in cancer cells and functional positions for application as a drug carrier. Sci Rep 2021; 11:2046. [PMID: 33479459 PMCID: PMC7820339 DOI: 10.1038/s41598-021-81725-3] [Citation(s) in RCA: 21] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/28/2020] [Accepted: 01/11/2021] [Indexed: 01/29/2023] Open
Abstract
Porphyrin derivatives accumulate selectively in cancer cells and are can be used as carriers of drugs. Until now, the substituents that bind to porphyrins (mainly at the meso-position) have been actively investigated, but the effect of the functional porphyrin positions (β-, meso-position) on tumor accumulation has not been investigated. Therefore, we investigated the correlation between the functional position of substituents and the accumulation of porphyrins in cancer cells using cancer cells. We found that the meso-derivative showed higher accumulation in cancer cells than the β-derivative, and porphyrins with less bulky substituent actively accumulate in cancer cells. When evaluating the intracellular distribution of porphyrin, we found that porphyrin was internalized by endocytosis and direct membrane permeation. As factors involved in these two permeation mechanisms, we evaluated the affinity between porphyrin-protein (endocytosis) and the permeability to the phospholipid bilayer membrane (direct membrane permeation). We found that the binding position of porphyrin affects the factors involved in the transmembrane permeation mechanisms and impacts the accumulation in cancer cells.
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18
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De Silva P, Saad MA, Thomsen HC, Bano S, Ashraf S, Hasan T. Photodynamic therapy, priming and optical imaging: Potential co-conspirators in treatment design and optimization - a Thomas Dougherty Award for Excellence in PDT paper. J PORPHYR PHTHALOCYA 2020; 24:1320-1360. [PMID: 37425217 PMCID: PMC10327884 DOI: 10.1142/s1088424620300098] [Citation(s) in RCA: 37] [Impact Index Per Article: 9.3] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 07/25/2023]
Abstract
Photodynamic therapy is a photochemistry-based approach, approved for the treatment of several malignant and non-malignant pathologies. It relies on the use of a non-toxic, light activatable chemical, photosensitizer, which preferentially accumulates in tissues/cells and, upon irradiation with the appropriate wavelength of light, confers cytotoxicity by generation of reactive molecular species. The preferential accumulation however is not universal and, depending on the anatomical site, the ratio of tumor to normal tissue may be reversed in favor of normal tissue. Under such circumstances, control of the volume of light illumination provides a second handle of selectivity. Singlet oxygen is the putative favorite reactive molecular species although other entities such as nitric oxide have been credibly implicated. Typically, most photosensitizers in current clinical use have a finite quantum yield of fluorescence which is exploited for surgery guidance and can also be incorporated for monitoring and treatment design. In addition, the photodynamic process alters the cellular, stromal, and/or vascular microenvironment transiently in a process termed photodynamic priming, making it more receptive to subsequent additional therapies including chemo- and immunotherapy. Thus, photodynamic priming may be considered as an enabling technology for the more commonly used frontline treatments. Recently, there has been an increase in the exploitation of the theranostic potential of photodynamic therapy in different preclinical and clinical settings with the use of new photosensitizer formulations and combinatorial therapeutic options. The emergence of nanomedicine has further added to the repertoire of photodynamic therapy's potential and the convergence and co-evolution of these two exciting tools is expected to push the barriers of smart therapies, where such optical approaches might have a special niche. This review provides a perspective on current status of photodynamic therapy in anti-cancer and anti-microbial therapies and it suggests how evolving technologies combined with photochemically-initiated molecular processes may be exploited to become co-conspirators in optimization of treatment outcomes. We also project, at least for the short term, the direction that this modality may be taking in the near future.
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Affiliation(s)
- Pushpamali De Silva
- Wellman Center for Photomedicine, Massachusetts General Hospital and Harvard Medical School, Boston, MA 02114, USA
| | - Mohammad A. Saad
- Wellman Center for Photomedicine, Massachusetts General Hospital and Harvard Medical School, Boston, MA 02114, USA
| | - Hanna C. Thomsen
- Wellman Center for Photomedicine, Massachusetts General Hospital and Harvard Medical School, Boston, MA 02114, USA
| | - Shazia Bano
- Wellman Center for Photomedicine, Massachusetts General Hospital and Harvard Medical School, Boston, MA 02114, USA
| | - Shoaib Ashraf
- Wellman Center for Photomedicine, Massachusetts General Hospital and Harvard Medical School, Boston, MA 02114, USA
| | - Tayyaba Hasan
- Wellman Center for Photomedicine, Massachusetts General Hospital and Harvard Medical School, Boston, MA 02114, USA
- Division of Health Sciences and Technology, Harvard University and Massachusetts Institute of Technology, Cambridge, MA 02139, USA
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19
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Lovell JF. Thinking outside the macrocycle: Potential biomedical roles for nanostructured porphyrins and phthalocyanines — a SPP/JPP Young Investigator Award paper. J PORPHYR PHTHALOCYA 2020. [DOI: 10.1142/s1088424620300086] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022]
Abstract
Porphyrins and phthalocyanines feature strong light absorption, capacity for metal chelation, and a track record of use in human therapeutic applications. Various conjugates and formulations of these macrocycles have shown potential to forge new applications in the biomedical sciences. Our lab has explored several such approaches including porphyrin polymer hydrogels, porphyrin-lipid nanovesicles, and surfactant-stripped micelles. These all feature in common a high density of tetrapyrroles, as well as unique functional properties. Porphyrin polymer hydrogels with high porphyrin density and bright fluorescence emission were demonstrated for use as a new class of implantable biosensors. Porphyrin-lipid nanovesicles hold potential for phototherapy, imaging, and also drug and vaccine delivery. Surfactant-stripped micelles have been developed for high-contrast photoacoustic imaging. In this ICPP Young Investigator Award brief perspective, we discuss our own efforts on these fronts. Taken together, the results show that tetrapyrroles enable new approaches for tackling biomedical problems and also confirm what was already well-known to members of the Society of Porphyrins and Phthalocyanines: that these molecules are remarkably versatile and enable research to flow in unexpected directions.
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Affiliation(s)
- Jonathan F. Lovell
- Department of Biomedical Engineering, State University of New York at Buffalo, Buffalo, NY, 14260 USA
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20
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Kumar S, Jiang D, Sun B, Seeley KV, Engle JW, Sia Z, He X, Neelamegham S, Cai W, Lovell JF. Labeling of Erythrocytes by Porphyrin-Phospholipid. ADVANCED NANOBIOMED RESEARCH 2020; 1. [PMID: 34212160 DOI: 10.1002/anbr.202000013] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/23/2023] Open
Abstract
A method is developed for membrane labeling of erythrocytes with porphyrin-phospholipid (PoP). To generate a concentrated PoP solution for labeling human red blood cells (RBCs), various surfactants and solvents are screened to identify conditions that avoid hemolysis, while minimizing non-specific PoP co-precipitation with RBCs in the pellet during centrifugation washes. Cholate, Tween 80 and Tween 40 are identified as useful surfactants for this purpose. When labeled RBCs are mixed with unlabeled ones, substantial non-specific PoP exchange is observed. Egg-yolk lecithin is included in a washing buffer to remove loosely bound PoP and reduce PoP exchange with unlabeled erythrocytes, based on flow cytometry and photodynamic hemolysis assays. Murine RBCs that are labeled with 64Cu-chelated PoP displayed altered biodistribution with longer blood circulation relative to directly administered 64Cu-chelated PoP.
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Affiliation(s)
- Sunanda Kumar
- Department of Biomedical Engineering, State University of New York at Buffalo, NY 14260, USA
| | - Dawei Jiang
- Department of Materials Science and Engineering, Department of Radiology, Department of Medical Physics, and University of Wisconsin Carbone Cancer Center, University of Wisconsin, Madison, Madison, Wisconsin 53705, United States
| | - Boyang Sun
- Department of Biomedical Engineering, State University of New York at Buffalo, NY 14260, USA
| | - Kaelyn V Seeley
- Department of Materials Science and Engineering, Department of Radiology, Department of Medical Physics, and University of Wisconsin Carbone Cancer Center, University of Wisconsin, Madison, Madison, Wisconsin 53705, United States
| | - Jonathan W Engle
- Department of Materials Science and Engineering, Department of Radiology, Department of Medical Physics, and University of Wisconsin Carbone Cancer Center, University of Wisconsin, Madison, Madison, Wisconsin 53705, United States
| | - Zachary Sia
- Department of Biomedical Engineering, State University of New York at Buffalo, NY 14260, USA
| | - Xuedan He
- Department of Biomedical Engineering, State University of New York at Buffalo, NY 14260, USA
| | - Sriram Neelamegham
- Department of Chemical Engineering, State University of New York at Buffalo, NY 14260, USA
| | - Weibo Cai
- Department of Materials Science and Engineering, Department of Radiology, Department of Medical Physics, and University of Wisconsin Carbone Cancer Center, University of Wisconsin, Madison, Madison, Wisconsin 53705, United States
| | - Jonathan F Lovell
- Department of Biomedical Engineering, State University of New York at Buffalo, NY 14260, USA
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Latham AN, Lash TD. Synthesis and Characterization of N-Methylporphyrins, Heteroporphyrins, Carbaporphyrins, and Related Systems. J Org Chem 2020; 85:13050-13068. [PMID: 32940469 DOI: 10.1021/acs.joc.0c01737] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Abstract
MacDonald-type "3 + 1" condensations of an N-methyltripyrrane with a series of dialdehydes afforded a matched set of N-methylporphyrins, N-methylheteroporphyrins, N-methyloxybenziporphyrin, N-methyloxypyriporphyrin, N-methyltropiporphyrin, and a N-methylcarbaporphyrin aldehyde. meso-Unsubstituted heteroporphyrins have been little explored previously, and this strategy was also used to prepare N-unsubstituted 21-oxa-, 21-thia-, and 21-selenaporphyrins. In every case, the N-methylporphyrinoids exhibited weaker, bathochromically shifted UV-Vis absorptions compared to their core unsubstituted congeners. However, proton NMR spectroscopy demonstrated that these derivatives retained strong diamagnetic ring currents and the presence of the internal alkyl substituents had little effect on the global aromatic characteristics. Nevertheless, the UV-Vis spectra of N-methyl-oxybenzi- and N-methyl-oxypyriporphyrins were dramatically altered and gave greatly weakened absorptions. N-Methyl-oxybenzi- and N-methyltropiporphyrins reacted with palladium(II) acetate to give stable palladium(II) complexes, demonstrating that N-alkylation alters the metalation properties for these carbaporphyrinoids. The organometallic derivatives also retained strongly aromatic properties, and the proton NMR spectra showed the N-methyl resonances near -3 ppm. N-Methylcarbaporphyrin-2-carbaldehyde also gave a palladium(II) complex, but this gradually rearranged at higher temperatures to afford a C-methyl complex. The results demonstrate that core alkylation of porphyrinoids greatly alters the reactivity and spectroscopic properties for these systems.
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Affiliation(s)
- Alissa N Latham
- Department of Chemistry, Illinois State University, Normal, Illinois 61790-4160, United States
| | - Timothy D Lash
- Department of Chemistry, Illinois State University, Normal, Illinois 61790-4160, United States
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22
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Bao J, Zu X, Wang X, Li J, Fan D, Shi Y, Xia Q, Cheng J. Multifunctional Hf/Mn-TCPP Metal-Organic Framework Nanoparticles for Triple-Modality Imaging-Guided PTT/RT Synergistic Cancer Therapy. Int J Nanomedicine 2020; 15:7687-7702. [PMID: 33116495 PMCID: PMC7550217 DOI: 10.2147/ijn.s267321] [Citation(s) in RCA: 37] [Impact Index Per Article: 9.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/24/2020] [Accepted: 09/21/2020] [Indexed: 11/23/2022] Open
Abstract
Background Recent studies have validated and confirmed the great potential of nanoscale metal-organic framework (NMOF) in the biomedical field, especially in improving the efficiency of cancer diagnosis and therapy. However, most previous studies only utilized either the metal cluster or the organic ligand of the NMOF for cancer treatments and merely reported limited theranostic functions, which may not be optimized. As a highly designable and easily functionalized material, prospective rational design offers a powerful way to extract the maximum benefit from NMOF for cancer theranostic applications. Materials and Methods A NMOF based on hafnium (Hf) cluster and Mn(III)-porphyrin ligand was rational designed and synthesized as a high-performance multifunctional theranostic agent. The folic acid (FA) was modified on the NMOF surface to enhance the cancer targeting efficacy. The proposed “all-in-one” FA-Hf-Mn-NMOF (fHMNM) was characterized and identified using various analytical techniques. Then, in vitro and in vivo studies were performed to further explore the effects of fHMNM both as the magnetic resonance imaging (MRI)/computed tomography (CT)/photoacoustic imaging (PAI) contrast agent and as the photothermal therapy (PTT)/radiotherapy (RT) agent. Results A tumour targeting multifunctional fHMNM was successfully synthesized with high performance for MRI/CT/PAI enhancements and image-guided PTT/RT synergistic therapy properties. Compared with the current clinical CT and MR contrast agents, the X-ray attenuation and T1 relaxation rate of this integrated nanosystem increased 1.7-fold and 3–5-fold, respectively. More importantly, the catalase-like Mn(III)-porphyrin ligand can decompose H2O2 into O2 in tumour microenvironments to improve the synergistic treatment efficiency of PTT and RT. Significant tumour growth inhibition was achieved in mouse cancer models without obvious damage to the other organs. Conclusion This work highlights the potential of fHMNM as an easily designable material for biomedical applications, could be an effective tool for in vivo detection and subsequent treatment of tumour.
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Affiliation(s)
- Jianfeng Bao
- Functional Magnetic Resonance and Molecular Imaging Key Laboratory of Henan Province, Department of Magnetic Resonance Imaging, The First Affiliated Hospital of Zhengzhou University, Zhengzhou University, Zhengzhou, Henan, People's Republic of China.,College of Medical Technology and Engineering, Henan University of Science and Technology, Luoyang, Henan, People's Republic of China
| | - Xiangyang Zu
- College of Medical Technology and Engineering, Henan University of Science and Technology, Luoyang, Henan, People's Republic of China
| | - Xiao Wang
- Functional Magnetic Resonance and Molecular Imaging Key Laboratory of Henan Province, Department of Magnetic Resonance Imaging, The First Affiliated Hospital of Zhengzhou University, Zhengzhou University, Zhengzhou, Henan, People's Republic of China
| | - Jinghua Li
- College of Medical Technology and Engineering, Henan University of Science and Technology, Luoyang, Henan, People's Republic of China
| | - Dandan Fan
- Henan Institute of Medical and Pharmaceutical Sciences, Zhengzhou University, Zhengzhou, Henan, People's Republic of China
| | - Yupeng Shi
- Functional Magnetic Resonance and Molecular Imaging Key Laboratory of Henan Province, Department of Magnetic Resonance Imaging, The First Affiliated Hospital of Zhengzhou University, Zhengzhou University, Zhengzhou, Henan, People's Republic of China
| | - Qingchun Xia
- Henan Key Laboratory of Boron Chemistry and Advanced Energy Materials, School of Chemistry and Chemical Engineering, Henan Normal University, Xinxiang, Henan, People's Republic of China
| | - Jingliang Cheng
- Functional Magnetic Resonance and Molecular Imaging Key Laboratory of Henan Province, Department of Magnetic Resonance Imaging, The First Affiliated Hospital of Zhengzhou University, Zhengzhou University, Zhengzhou, Henan, People's Republic of China
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Tojo T, Nishida K, Kondo T, Yuasa M. Correlations between functional porphyrin positions and accumulation in cancer cells. Bioorg Med Chem Lett 2020; 30:127437. [PMID: 32721451 DOI: 10.1016/j.bmcl.2020.127437] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/23/2020] [Revised: 07/17/2020] [Accepted: 07/21/2020] [Indexed: 12/23/2022]
Abstract
Porphyrin is accumulated in tumours due to its interaction with protein. Cancer therapy with porphyrin as a carrier molecule is attracting attention. Porphyrin displays two functional sites termed β- and meso-positions. A correlation between the functional position on the porphyrin molecule and the ability to accumulate in cancer cells is observed in the present study. The accumulation of porphyrin derivatives was determined by measuring fluorescence intensity after incubation for 2 and 24 h. The accumulation of cancer cells depended on the position and length of functional groups. Estimated binding constants between porphyrin and bovine serum albumin suggest that the position of functional groups leads to changes in binding affinity and influences the accumulation of porphyrin derivatives in cancer cells.
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Affiliation(s)
- Toshifumi Tojo
- Department of Pure and Applied Chemistry, Faculty of Science and Technology, Tokyo University of Science, 2641 Yamazaki, Noda, Chiba 278-8510, Japan
| | - Koshi Nishida
- Department of Pure and Applied Chemistry, Faculty of Science and Technology, Tokyo University of Science, 2641 Yamazaki, Noda, Chiba 278-8510, Japan
| | - Takeshi Kondo
- Department of Pure and Applied Chemistry, Faculty of Science and Technology, Tokyo University of Science, 2641 Yamazaki, Noda, Chiba 278-8510, Japan; Research Institute for Science and Technology, Tokyo University of Science, 2641 Yamazaki, Noda, Chiba 278-8510, Japan
| | - Makoto Yuasa
- Department of Pure and Applied Chemistry, Faculty of Science and Technology, Tokyo University of Science, 2641 Yamazaki, Noda, Chiba 278-8510, Japan; Research Institute for Science and Technology, Tokyo University of Science, 2641 Yamazaki, Noda, Chiba 278-8510, Japan.
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24
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Yap SY, Savoie H, Renard I, Burke BP, Sample HC, Michue-Seijas S, Archibald SJ, Boyle RW, Stasiuk GJ. Synthesis of a porphyrin with histidine-like chelate: an efficient path towards molecular PDT/SPECT theranostics. Chem Commun (Camb) 2020; 56:11090-11093. [PMID: 32812554 DOI: 10.1039/d0cc03958f] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/28/2022]
Abstract
The goal of "personalised" medicine has seen a growing interest in the development of theranostic agents. Bifunctional, and targeted-trifunctional, theranostic water-soluble porphyrins with a histidine-like chelating group have been synthesised via copper-catalysed azide-alkyne cycloaddition (CuAAC) "click" chemistry in high yield and purity. They are capable of photodynamic treatment and [99mTc(CO)3]+ complexation for single-photon emission computed tomography (SPECT) imaging, with a radiochemical yield of >95%. The toxicity and phototoxicity were evaluated on HT-29 cells, DU145, and DU145-PSMA cell lines, with the targeted theranostic showing more potent phototoxicity towards DU145-PSMA expressing cells.
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Affiliation(s)
- Steven Y Yap
- Department of Chemistry and Biochemistry, Faculty of Science and Engineering, University of Hull, HU6 7RX, UK.
| | - Huguette Savoie
- Department of Chemistry and Biochemistry, Faculty of Science and Engineering, University of Hull, HU6 7RX, UK.
| | - Isaline Renard
- Department of Biomedical Sciences, University of Hull, Cottingham Road, Hull, HU6 7RX, UK and Positron Emission Tomography Research Centre, University of Hull, Cottingham Road, Hull, HU6 7RX, UK
| | - Benjamin P Burke
- Department of Biomedical Sciences, University of Hull, Cottingham Road, Hull, HU6 7RX, UK and Positron Emission Tomography Research Centre, University of Hull, Cottingham Road, Hull, HU6 7RX, UK
| | - Harry C Sample
- Department of Chemistry and Biochemistry, Faculty of Science and Engineering, University of Hull, HU6 7RX, UK.
| | - Saul Michue-Seijas
- Department of Chemistry and Biochemistry, Faculty of Science and Engineering, University of Hull, HU6 7RX, UK.
| | - Stephen J Archibald
- Department of Biomedical Sciences, University of Hull, Cottingham Road, Hull, HU6 7RX, UK and Positron Emission Tomography Research Centre, University of Hull, Cottingham Road, Hull, HU6 7RX, UK
| | - Ross W Boyle
- Department of Chemistry and Biochemistry, Faculty of Science and Engineering, University of Hull, HU6 7RX, UK.
| | - Graeme J Stasiuk
- Department of Biomedical Sciences, University of Hull, Cottingham Road, Hull, HU6 7RX, UK and Department of Imaging Chemistry and Biology, School of Biomedical Engineering and Imaging Sciences, King's College London, Fourth Floor Lambeth Wing, St Thomas' Hospital, London SE1 7EH, UK.
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25
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Lee H, Lee D, Kim I, Lee E, Jang WD. Formation of Supramolecular Polymers from Porphyrin Tripods. Macromolecules 2020. [DOI: 10.1021/acs.macromol.0c01446] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/19/2022]
Affiliation(s)
- Hosoowi Lee
- Department of Chemistry, Yonsei University, 50 Yonsei-ro, Seodaemoon-gu, Seoul 03722, Republic of Korea
| | - Dajung Lee
- Department of Chemistry, Yonsei University, 50 Yonsei-ro, Seodaemoon-gu, Seoul 03722, Republic of Korea
| | - Inhye Kim
- School of Materials Science and Engineering, Gwangju Institute of Science and Technology (GIST), 123 Cheomdangwagi-ro, Buk-gu, Gwangju 61005, Republic of Korea
| | - Eunji Lee
- School of Materials Science and Engineering, Gwangju Institute of Science and Technology (GIST), 123 Cheomdangwagi-ro, Buk-gu, Gwangju 61005, Republic of Korea
| | - Woo-Dong Jang
- Department of Chemistry, Yonsei University, 50 Yonsei-ro, Seodaemoon-gu, Seoul 03722, Republic of Korea
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26
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Chen J, Wang Y, Fang Y, Jiang Z, Wang A, Xue J. Improved photodynamic anticancer activity and mechanisms of a promising zinc(II) phthalocyanine-quinoline conjugate photosensitizer in vitro and in vivo. BIOMEDICAL OPTICS EXPRESS 2020; 11:3900-3912. [PMID: 33014574 PMCID: PMC7510905 DOI: 10.1364/boe.394186] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/31/2020] [Revised: 06/12/2020] [Accepted: 06/14/2020] [Indexed: 06/11/2023]
Abstract
Since the discovery of photodynamic therapy, scientists have constantly been searching for more effective and ideal photosensitizers (PSs). As part of our ongoing interest in the development of more potent photosensitizers, quinoline-8-yloxy-substituted zinc(II) phthalocyanine (ZnPc-Q1) has been identified as a promising photosensitizers in tumor cells. This study aims to explore the photodynamic mechanism and in vivo photodynamic efficacy of ZnPc-Q1, and further evaluate its potential in clinical photodynamic therapy application. The single crystal structure of ZnPc-Q1 enables the easy control of clinical quality standards. In comparison with Photofrin, ZnPc-Q1 exhibits considerably higher in vitro anticancer activity by dual dose-related mechanisms (antiproliferative and apoptosis). In addition, the in vivo results demonstrate that ZnPc-Q1 exhibits significant tumor regression with less skin photosensitivity by both direct killing and apoptosis anticancer mechanisms. In conclusion, ZnPc-Q1 can be considered to be a promising ideal PS for clinical application owing to its defined chemical structure without phthalocyanine isomerization, good absorption of tissue-penetrating red light, improved photodynamic therapy efficacy, and reduced skin phototoxicity.
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Affiliation(s)
- Juanjuan Chen
- National and Local Joint Biomedical Engineering Research Center on Photodynamic Technologies, and Fujian Engineering Research Center for Drug and Diagnoses-Treat of Photodynamic Therapy, College of Chemistry, Fuzhou University, Fuzhou, Fujian, 350116, China
| | - Yingming Wang
- Hangzhou Zhizhong Pharmaceutical Technology Co., Ltd., Hangzhou, 310000, China
| | - Yuting Fang
- National and Local Joint Biomedical Engineering Research Center on Photodynamic Technologies, and Fujian Engineering Research Center for Drug and Diagnoses-Treat of Photodynamic Therapy, College of Chemistry, Fuzhou University, Fuzhou, Fujian, 350116, China
| | - Zhihuan Jiang
- Institute of Materia Medica, Chinese Academy of Medical Sciences & Peking Union Medical College, Beijing, 100050, China
| | - Aiping Wang
- Institute of Materia Medica, Chinese Academy of Medical Sciences & Peking Union Medical College, Beijing, 100050, China
- Beijing Union-Genius Pharmaceutical Technology Development Co., Ltd., Beijing, 100176, China
| | - Jinping Xue
- National and Local Joint Biomedical Engineering Research Center on Photodynamic Technologies, and Fujian Engineering Research Center for Drug and Diagnoses-Treat of Photodynamic Therapy, College of Chemistry, Fuzhou University, Fuzhou, Fujian, 350116, China
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27
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Peng XX, Zhu XF, Zhang JL. Near Infrared (NIR) imaging: Exploring biologically relevant chemical space for lanthanide complexes. J Inorg Biochem 2020; 209:111118. [PMID: 32502875 DOI: 10.1016/j.jinorgbio.2020.111118] [Citation(s) in RCA: 13] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/23/2020] [Revised: 05/13/2020] [Accepted: 05/17/2020] [Indexed: 02/08/2023]
Abstract
Near Infrared (NIR) imaging agents are extensively used in the biological or preclinical treatment and diagnosis of a wide range of diseases including cancers and tumors. The current arsenal of NIR compounds are most constituted by organic dyes, polymers, inorganic nanomaterials, whereas Ln molecular complexes explore an alternative approach to design NIR probes that are potentially bring new molecular toolkits into the biomedicine. In this review, NIR imaging agents are categorized according to their molecular sizes, constitution and the key properties and features of each class of compounds are briefly defined wherever possible. To better elucidate the features of Ln complexes, we provide a succinct understanding of sensitization process and molecular Ln luminescence at a mechanistic level, which may help to deliver new insights to design NIR imaging probes. Finally, we used our work on NIR ytterbium (Yb3+) probes as an example to raise awareness of exploring biologically relevant chemical space for lanthanide complexes as chemical entities for biological activity.
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Affiliation(s)
- Xin-Xin Peng
- Beijing National Laboratory for Molecular Sciences, State Key Laboratory of Rare Earth Materials Chemistry and Applications, College of Chemistry and Molecular Engineering, Peking University, Beijing 100871, PR China
| | - Xiao-Fei Zhu
- Beijing National Laboratory for Molecular Sciences, State Key Laboratory of Rare Earth Materials Chemistry and Applications, College of Chemistry and Molecular Engineering, Peking University, Beijing 100871, PR China; School of Chemistry and Life Science, Changchun University of Technology, Changchun 130012, PR China
| | - Jun-Long Zhang
- Beijing National Laboratory for Molecular Sciences, State Key Laboratory of Rare Earth Materials Chemistry and Applications, College of Chemistry and Molecular Engineering, Peking University, Beijing 100871, PR China.
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28
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Singh S, Aggarwal A, Bhupathiraju NDK, Jovanovic IR, Landress M, Tuz MP, Gao R, Drain CM. Comparing a thioglycosylated chlorin and phthalocyanine as potential theranostic agents. Bioorg Med Chem 2020; 28:115259. [DOI: 10.1016/j.bmc.2019.115259] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/23/2019] [Revised: 11/28/2019] [Accepted: 12/07/2019] [Indexed: 12/24/2022]
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29
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Bengasi G, Desport JS, Baba K, Cosas Fernandes JP, De Castro O, Heinze K, Boscher ND. Molecular flattening effect to enhance the conductivity of fused porphyrin tape thin films. RSC Adv 2020; 10:7048-7057. [PMID: 35493879 PMCID: PMC9049719 DOI: 10.1039/c9ra09711b] [Citation(s) in RCA: 12] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/20/2019] [Accepted: 02/07/2020] [Indexed: 12/14/2022] Open
Abstract
The straightforward synthesis of directly fused porphyrins (porphyrin tapes) from 5,15-diphenyl porphyrinato nickel(ii) complexes with different substituents on the phenyl rings is achieved while processing from the gas phase. The porphyrin tapes, exhibiting NIR absorption, are readily obtained in thin film form. The gas phase approach cuts the need for solubilizing groups allowing for the first time the study of their conductivity according to the substituent. 2-Point probe and conductivity AFM measurements evidence that reducing the size of the meso substituents, phenyl < mesityl < di(3,5-tert-butyl)phenyl < di(2,6-dodecyloxy)phenyl, improves the thin film conductivity by several orders of magnitude. Density functional theory and gel permeation chromatography, correlate this improvement to changes in the intermolecular distances and molecular geometry. Furthermore, the oCVD of porphyrins with free ortho-phenyl positions causes intramolecular dehydrogenative side reactions inducing a complete planarization of the molecule. This molecular flattening drastically affects the π–π stacking between the porphyrins further enhancing the electronic properties of the films. This work reports the strong correlation between the conductivity of fused porphyrins thin films and the porphyrin substituents.![]()
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Affiliation(s)
- Giuseppe Bengasi
- Materials Research and Technology
- Luxembourg Institute of Science and Technology (LIST)
- L-4362 Esch/Alzette
- Luxembourg
- Institute of Inorganic Chemistry and Analytical Chemistry
| | - Jessica S. Desport
- Materials Research and Technology
- Luxembourg Institute of Science and Technology (LIST)
- L-4362 Esch/Alzette
- Luxembourg
| | - Kamal Baba
- Materials Research and Technology
- Luxembourg Institute of Science and Technology (LIST)
- L-4362 Esch/Alzette
- Luxembourg
| | - João P. Cosas Fernandes
- Materials Research and Technology
- Luxembourg Institute of Science and Technology (LIST)
- L-4362 Esch/Alzette
- Luxembourg
| | - Olivier De Castro
- Materials Research and Technology
- Luxembourg Institute of Science and Technology (LIST)
- L-4362 Esch/Alzette
- Luxembourg
| | - Katja Heinze
- Institute of Inorganic Chemistry and Analytical Chemistry
- Johannes Gutenberg University of Mainz
- 55128 Mainz
- Germany
| | - Nicolas D. Boscher
- Materials Research and Technology
- Luxembourg Institute of Science and Technology (LIST)
- L-4362 Esch/Alzette
- Luxembourg
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30
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Lazzaro S, Ogrinc N, Lamont L, Vecchio G, Pappalardo G, Heeren RMA. Ion mobility spectrometry combined with multivariate statistical analysis: revealing the effects of a drug candidate for Alzheimer's disease on Aβ1-40 peptide early assembly. Anal Bioanal Chem 2019; 411:6353-6363. [PMID: 31407050 PMCID: PMC6718366 DOI: 10.1007/s00216-019-02030-7] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/06/2019] [Revised: 07/04/2019] [Accepted: 07/10/2019] [Indexed: 12/20/2022]
Abstract
Inhibition of the initial stages of amyloid-β peptide self-assembly is a key approach in drug development for Alzheimer's disease, in which soluble and highly neurotoxic low molecular weight oligomers are produced and aggregate in the brain over time. Here we report a high-throughput method based on ion mobility mass spectrometry and multivariate statistical analysis to rapidly select statistically significant early-stage species of amyloid-β1-40 whose formation is inhibited by a candidate theranostic agent. Using this method, we have confirmed the inhibition of a Zn-porphyrin-peptide conjugate in the early self-assembly of Aβ40 peptide. The MS/MS fragmentation patterns of the species detected in the samples containing the Zn-porphyrin-peptide conjugate suggested a porphyrin-catalyzed oxidation at Met-35(O) of Aβ40. We introduce ion mobility MS combined with multivariate statistics as a systematic approach to perform data analytics in drug discovery/amyloid research that aims at the evaluation of the inhibitory effect on the Aβ early assembly in vitro models at very low concentration levels of Aβ peptides.
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Affiliation(s)
- Serena Lazzaro
- Institute of Biostructures and Bioimaging (IBB), National Research Council, Via Paolo Gaifami N.18, 95126, Catania, Italy
| | - Nina Ogrinc
- The Maastricht Multimodal Molecular Imaging institute M4I- Division of Imaging Mass Spectrometry, Maastricht University, Minderbroedersberg 4-6, 6211 LK, Maastricht, The Netherlands
| | - Lieke Lamont
- The Maastricht Multimodal Molecular Imaging institute M4I- Division of Imaging Mass Spectrometry, Maastricht University, Minderbroedersberg 4-6, 6211 LK, Maastricht, The Netherlands
| | - Graziella Vecchio
- Department of Chemical Sciences, Catania University, Viale Andrea Doria, 6, 95125, Catania, Italy
| | - Giuseppe Pappalardo
- Institute of Biostructures and Bioimaging (IBB), National Research Council, Via Paolo Gaifami N.18, 95126, Catania, Italy
| | - Ron M A Heeren
- The Maastricht Multimodal Molecular Imaging institute M4I- Division of Imaging Mass Spectrometry, Maastricht University, Minderbroedersberg 4-6, 6211 LK, Maastricht, The Netherlands.
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31
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Tsolekile N, Nelana S, Oluwafemi OS. Porphyrin as Diagnostic and Therapeutic Agent. Molecules 2019; 24:E2669. [PMID: 31340553 PMCID: PMC6680575 DOI: 10.3390/molecules24142669] [Citation(s) in RCA: 81] [Impact Index Per Article: 16.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/10/2019] [Revised: 07/02/2019] [Accepted: 07/08/2019] [Indexed: 11/16/2022] Open
Abstract
The synthesis and application of porphyrins has seen a huge shift towards research in porphyrin bio-molecular based systems in the past decade. The preferential localization of porphyrins in tumors, as well as their ability to generate reactive singlet oxygen and low dark toxicities has resulted in their use in therapeutic applications such as photodynamic therapy. However, their inherent lack of bio-distribution due to water insolubility has shifted research into porphyrin-nanomaterial conjugated systems to address this challenge. This has broadened their bio-applications, viz. bio-sensors, fluorescence tracking, in vivo magnetic resonance imaging (MRI), and positron emission tomography (PET)/CT imaging to photo-immuno-therapy just to highlight a few. This paper reviews the unique theranostic role of porphyrins in disease diagnosis and therapy. The review highlights porphyrin conjugated systems and their applications. The review ends by bringing current challenges and future perspectives of porphyrin based conjugated systems and their respective applications into light.
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Affiliation(s)
- Ncediwe Tsolekile
- Department of Chemical Sciences (formerly Applied Chemistry), University of Johannesburg, P. O. Box 17011, Doornfontein 2028, Johannesburg, South Africa
- Department of Applied Chemistry, University of Johannesburg, P. O. Box 17011, Doornfontein 2028, Johannesburg, South Africa
- Department of Chemistry, Cape Peninsula University of Technology, P.O. Box 652, Cape Town 2000, South Africa
| | - Simphiwe Nelana
- Department of Chemistry, Vaal University of Technology, Private Bag X021, Vanderbijlpark 1900, South Africa.
| | - Oluwatobi Samuel Oluwafemi
- Department of Chemical Sciences (formerly Applied Chemistry), University of Johannesburg, P. O. Box 17011, Doornfontein 2028, Johannesburg, South Africa.
- Department of Applied Chemistry, University of Johannesburg, P. O. Box 17011, Doornfontein 2028, Johannesburg, South Africa.
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32
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Su CH, Li WP, Tsao LC, Wang LC, Hsu YP, Wang WJ, Liao MC, Lee CL, Yeh CS. Enhancing Microcirculation on Multitriggering Manner Facilitates Angiogenesis and Collagen Deposition on Wound Healing by Photoreleased NO from Hemin-Derivatized Colloids. ACS NANO 2019; 13:4290-4301. [PMID: 30883107 DOI: 10.1021/acsnano.8b09417] [Citation(s) in RCA: 57] [Impact Index Per Article: 11.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/09/2023]
Abstract
A deficiency of nitric oxide (NO) supply has been found to impair wound healing. The exogenous topical delivery of NO is a promising approach to enhance vasodilation and stimulate angiogenesis and collagen deposition. In this study, the CN groups on the surface of Prussian blue (PB) nanocubes were carefully reduced to -CH2-NH2 to conjugate with COOH group of hemin consisting of a Fe-porphyrin structure with strong affinity toward NO. Accordingly, the NO gas was able to coordinate to hemin-modified PB nanocubes. The hemin-modified PB carrying NO (PB-NO) can be responsible to near-infrared (NIR) light (808 nm) exposure to induce the thermo-induced liberation of NO based on the light-to-heat transformation property of PB nanocubes. The NO supply on the incisional wound sites can be readily topically dropped the colloidal solution of PB-NO for receiving NIR light irradiation. The enhanced blood flow was in a controllable manner whenever the wound sites containing PB-NO received NIR light irradiation. The promotion of blood perfusion following the on-demand multidelivery of NO has effectively facilitated the process of wound closure to enhance angiogensis and collagen deposition.
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Affiliation(s)
- Chia-Hao Su
- Institute for Translational Research in Biomedicine , Kaohsiung Chang Gung Memorial Hospital , Kaohsiung 833 , Taiwan
| | | | | | | | | | | | - Min-Chiao Liao
- Institute for Translational Research in Biomedicine , Kaohsiung Chang Gung Memorial Hospital , Kaohsiung 833 , Taiwan
| | - Chin-Lai Lee
- Institute for Translational Research in Biomedicine , Kaohsiung Chang Gung Memorial Hospital , Kaohsiung 833 , Taiwan
| | - Chen-Sheng Yeh
- Department of Medicinal and Applied Chemistry , Kaohsiung Medical University , Kaohsiung 807 , Taiwan
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33
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Shi Y, Liu S, Liu Y, Sun C, Chang M, Zhao X, Hu C, Pang M. Facile Fabrication of Nanoscale Porphyrinic Covalent Organic Polymers for Combined Photodynamic and Photothermal Cancer Therapy. ACS APPLIED MATERIALS & INTERFACES 2019; 11:12321-12326. [PMID: 30856317 DOI: 10.1021/acsami.9b00361] [Citation(s) in RCA: 56] [Impact Index Per Article: 11.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/09/2023]
Abstract
Photodynamic therapy (PDT) of cancers is usually inefficient due to the relatively low level of oxygen in cancer cells; therefore, it needs to combine with other treatment strategies such as chemotherapy or photothermal therapy (PTT) to achieve the best anticancer efficacy. Although porphyrin-containing materials have been widely studied for PDT, the photothermal effect is rarely reported. Herein, nanoscale porphyrin-containing covalent organic polymers (PCOPs) were produced via a room temperature solution-based aging method. The resulting nanoparticles possess high photothermal conversion efficiency (21.7%) and excellent photodynamic effect. For the first time, the in vitro and in vivo tests indicated an enhanced antitumor efficacy for PCOP with combined PDT and PTT. This study provides an efficient approach to fabricate nanoCOP and also demonstrates the great potential of porphyrin-containing COP for biomedical applications.
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Affiliation(s)
- Yanshu Shi
- State Key Laboratory of Rare Earth Resource Utilization, Changchun Institute of Applied Chemistry , Chinese Academy of Sciences , Changchun 130022 , P. R. China
| | - Sainan Liu
- State Key Laboratory of Rare Earth Resource Utilization, Changchun Institute of Applied Chemistry , Chinese Academy of Sciences , Changchun 130022 , P. R. China
- University of Science and Technology of China , Hefei 230026 , P. R. China
| | - Ying Liu
- State Key Laboratory of Rare Earth Resource Utilization, Changchun Institute of Applied Chemistry , Chinese Academy of Sciences , Changchun 130022 , P. R. China
- Changchun University of Science and Technology , Changchun 130022 , P. R. China
| | - Chunqiang Sun
- State Key Laboratory of Rare Earth Resource Utilization, Changchun Institute of Applied Chemistry , Chinese Academy of Sciences , Changchun 130022 , P. R. China
| | - Mengyu Chang
- State Key Laboratory of Rare Earth Resource Utilization, Changchun Institute of Applied Chemistry , Chinese Academy of Sciences , Changchun 130022 , P. R. China
- University of Science and Technology of China , Hefei 230026 , P. R. China
| | - Xueyan Zhao
- State Key Laboratory of Rare Earth Resource Utilization, Changchun Institute of Applied Chemistry , Chinese Academy of Sciences , Changchun 130022 , P. R. China
- Changchun University of Science and Technology , Changchun 130022 , P. R. China
| | - Chunling Hu
- State Key Laboratory of Rare Earth Resource Utilization, Changchun Institute of Applied Chemistry , Chinese Academy of Sciences , Changchun 130022 , P. R. China
- University of Science and Technology of China , Hefei 230026 , P. R. China
| | - Maolin Pang
- State Key Laboratory of Rare Earth Resource Utilization, Changchun Institute of Applied Chemistry , Chinese Academy of Sciences , Changchun 130022 , P. R. China
- University of Science and Technology of China , Hefei 230026 , P. R. China
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34
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Guleria M, Das T, Vats K, Amirdhanayagam J, Mathur A, Sarma HD, Dash A. Preparation and evaluation of 99mTc-labeled porphyrin complexes prepared using PNP and HYNIC cores: studying the effects of core selection on pharmacokinetics and tumor uptake in a mouse model. MEDCHEMCOMM 2019; 10:606-615. [PMID: 31057740 DOI: 10.1039/c8md00559a] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/13/2018] [Accepted: 02/16/2019] [Indexed: 11/21/2022]
Abstract
Porphyrins are tetrapyrrolic macrocyclic ligands known for their affinity towards neoplastic tissues and once radiolabeled with a suitable diagnostic radioisotope could potentially be used for the imaging of tumorous lesions. In the present study, an unsymmetrically substituted porphyrin derivative namely 5-(p-amino-propyloxyphenyl)-10,15,20-tris(carboxymethyleneoxyphenyl)-porphyrin was synthesized and modified further to enable radiolabeling with 99mTc using two different 99mTc-cores viz. 99mTc-HYNIC (hydrazino nicotinic acid) and 99mTc(N)PNP2 (PNP2 = bis-[(2-dimethylphosphino)ethyl]-methoxy-ethylamine) in order to study the effect of employing different 99mTc-cores on tumor affinity and pharmacokinetic behavior of the resultant 99mTc-labeled porphyrin complexes. 99mTc-Porphyrin complexes were characterized by reversed phase HPLC studies and could be prepared with >95% radiochemical purity under optimized radiolabeling conditions. Both 99mTc-complexes were found to be adequately stable in human blood serum till 3 h post-preparation. Bio-distribution studies, carried out in Swiss mice bearing fibrosarcoma tumors, revealed relatively higher tumor uptake for the 99mTc-HYNIC-porphyrin complex (3.95 ± 1.42 and 3.28 ± 0.27% IA per g) compared to that exhibited by the 99mTc(N)PNP-DTC-porphyrin complex (1.52 ± 0.53 and 1.56 ± 0.10% IA per g) at 1.5 and 3 h post-administration, although the former complex exhibited comparatively lower lipophilicity in the octanol-water system. Higher uptake and longer retention in the blood were observed for the 99mTc-HYNIC-porphyrin complex (6.63 ± 0.75 and 4.36 ± 0.25% IA per g) compared to that exhibited by the 99mTc(N)PNP-DTC-porphyrin complex (2.41 ± 0.54 and 2.30 ± 0.16% IA per g) at both 1.5 and 3 h post-administration. However, relatively lower liver uptake was observed for the former complex (19.26 ± 3.48 and 18.45 ± 1.05% IA per g) than that exhibited by the latter one (39.37 ± 3.88 and 34.15 ± 8.25% IA per g) at both 1.5 and 3 h post-administration. This study indicates that the in vivo behavior exhibited by the 99mTc-labeled porphyrins not only depends on their lipophilicity/hydrophilicity but is also governed by the Tc-cores employed for radiolabeling.
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Affiliation(s)
- Mohini Guleria
- Radiopharmaceuticals Division , Bhabha Atomic Research Centre , Trombay , Mumbai - 400085 , India . ; ; Tel: +91 22 2559 0613
| | - Tapas Das
- Radiopharmaceuticals Division , Bhabha Atomic Research Centre , Trombay , Mumbai - 400085 , India . ; ; Tel: +91 22 2559 0613.,Homi Bhabha National Institute , Anushaktinagar , Mumbai - 400094 , India
| | - Kusum Vats
- Radiopharmaceuticals Division , Bhabha Atomic Research Centre , Trombay , Mumbai - 400085 , India . ; ; Tel: +91 22 2559 0613
| | - Jeyachitra Amirdhanayagam
- Radiopharmaceuticals Division , Bhabha Atomic Research Centre , Trombay , Mumbai - 400085 , India . ; ; Tel: +91 22 2559 0613
| | - Anupam Mathur
- Radiopharmaceuticals Program , Board of Radiation and Isotope Technology , Vashi , Navi Mumbai - 400703 , India
| | - Haladhar D Sarma
- Radiation Biology and Health Sciences Division , Bhabha Atomic Research Centre , Trombay , Mumbai - 400085 , India
| | - Ashutosh Dash
- Radiopharmaceuticals Division , Bhabha Atomic Research Centre , Trombay , Mumbai - 400085 , India . ; ; Tel: +91 22 2559 0613.,Homi Bhabha National Institute , Anushaktinagar , Mumbai - 400094 , India
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Sakamaki Y, Ozdemir J, Heidrick Z, Watson O, Shahsavari HR, Fereidoonnezhad M, Khosropour AR, Beyzavi MH. Metal–Organic Frameworks and Covalent Organic Frameworks as Platforms for Photodynamic Therapy. COMMENT INORG CHEM 2019. [DOI: 10.1080/02603594.2018.1542597] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/09/2023]
Affiliation(s)
- Yoshie Sakamaki
- Department of Chemistry and Biochemistry, University of Arkansas, Fayetteville, Arkansas, USA
| | - John Ozdemir
- Department of Chemistry and Biochemistry, University of Arkansas, Fayetteville, Arkansas, USA
| | - Zachary Heidrick
- Department of Chemistry and Biochemistry, University of Arkansas, Fayetteville, Arkansas, USA
| | - Olivia Watson
- Department of Chemistry and Biochemistry, University of Arkansas, Fayetteville, Arkansas, USA
| | - Hamid R. Shahsavari
- Department of Chemistry and Biochemistry, University of Arkansas, Fayetteville, Arkansas, USA
- Department of Chemistry, Institute for Advanced Studies in Basic Sciences (IASBS), Zanjan, Iran
| | - Masood Fereidoonnezhad
- Toxicology Research Center, Ahvaz Jundishapur University of Medical Sciences, Ahvaz, Iran
| | - Ahmad R. Khosropour
- Department of Chemistry and Biochemistry, University of Arkansas, Fayetteville, Arkansas, USA
- Department of Chemistry, University of Isfahan, Isfahan, Iran
| | - M. Hassan Beyzavi
- Department of Chemistry and Biochemistry, University of Arkansas, Fayetteville, Arkansas, USA
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36
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Shao S, Rajendiran V, Lovell JF. Metalloporphyrin Nanoparticles: Coordinating Diverse Theranostic Functions. Coord Chem Rev 2019; 379:99-120. [PMID: 30559508 PMCID: PMC6294123 DOI: 10.1016/j.ccr.2017.09.002] [Citation(s) in RCA: 89] [Impact Index Per Article: 17.8] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/28/2023]
Abstract
Metalloporphyrins serve key roles in natural biological processes and also have demonstrated utility for biomedical applications. They can be encapsulated or grafted in conventional nanoparticles or can self-assemble themselves at the nanoscale. A wide range of metals can be stably chelated either before or after porphyrin nanoparticle formation, without the necessity of any additional chelator chemistry. The addition of metals can substantially alter a range of behaviors such as modulating phototherapeutic efficacy; conferring responsiveness to biological stimuli; or providing contrast for magnetic resonance, positron emission or surface enhanced Raman imaging. Chelated metals can also provide a convenient handle for bioconjugation with other molecules via axial coordination. This review provides an overview of some recent biomedical, nanoparticulate approaches involving gain-of-function metalloporphyrins and related molecules.
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Affiliation(s)
- Shuai Shao
- Department of Biomedical Engineering, University at Buffalo, State University of New York, Buffalo, New York 14260, USA
| | - Venugopal Rajendiran
- Department of Biomedical Engineering, University at Buffalo, State University of New York, Buffalo, New York 14260, USA
- Department of Chemistry, School of Basic and Applied Sciences, Central University of Tamil Nadu, Thiruvarur 610 005, India
| | - Jonathan F. Lovell
- Department of Biomedical Engineering, University at Buffalo, State University of New York, Buffalo, New York 14260, USA
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38
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Moukheiber D, Chitgupi U, Carter KA, Luo D, Sun B, Goel S, Ferreira CA, Engle JW, Wang D, Geng J, Zhang Y, Xia J, Cai W, Lovell JF. Surfactant-Stripped Pheophytin Micelles for Multimodal Tumor Imaging and Photodynamic Therapy. ACS APPLIED BIO MATERIALS 2018; 2:544-554. [PMID: 31853516 DOI: 10.1021/acsabm.8b00703] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/31/2022]
Abstract
Porphyrin-based nanomaterials can inherently integrate multiple contrast imaging functionalities with phototherapeutic capabilities. We dispersed pheophytin (Pheo) into Pluronic F127 and carried out low-temperature surfactant-stripping to remove the bulk surfactant. Surfactant-stripped Pheo (ss-Pheo) micelles exhibited a similar size, but higher near-infrared fluorescence, compared to two other nanomaterials also with high porphyrin density (surfactant-stripped chlorophyll micelles and porphysomes). Singlet oxygen generation, which was higher for ss-Pheo, enabled photodynamic therapy (PDT). ss-Pheo provided contrast for photoacoustic and fluorescence imaging, and following seamless labeling with 64Cu, was used for positron emission tomography. ss-Pheo had a long blood circulation and favorable accumulation in an orthotopic murine mammary tumor model. Trimodal tumor imaging was demonstrated, and PDT resulted in delayed tumor growth.
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Affiliation(s)
- Dana Moukheiber
- Department of Biomedical Engineering, University at Buffalo, State University of New York, Buffalo, New York 14260, United States
| | - Upendra Chitgupi
- Department of Biomedical Engineering, University at Buffalo, State University of New York, Buffalo, New York 14260, United States
| | - Kevin A Carter
- Department of Biomedical Engineering, University at Buffalo, State University of New York, Buffalo, New York 14260, United States
| | - Dandan Luo
- Department of Biomedical Engineering, University at Buffalo, State University of New York, Buffalo, New York 14260, United States
| | - Boyang Sun
- Department of Biomedical Engineering, University at Buffalo, State University of New York, Buffalo, New York 14260, United States
| | - Shreya Goel
- Department of Radiology, University of Wisconsin-Madison, Madison, Wisconsin 53705, United States
| | - Carolina A Ferreira
- Department of Radiology, University of Wisconsin-Madison, Madison, Wisconsin 53705, United States
| | - Jonathan W Engle
- Department of Radiology, University of Wisconsin-Madison, Madison, Wisconsin 53705, United States
| | - Depeng Wang
- Department of Biomedical Engineering, University at Buffalo, State University of New York, Buffalo, New York 14260, United States
| | - Jumin Geng
- Department of Biomedical Engineering, University at Buffalo, State University of New York, Buffalo, New York 14260, United States
| | - Yumiao Zhang
- Department of Biomedical Engineering, University at Buffalo, State University of New York, Buffalo, New York 14260, United States
| | - Jun Xia
- Department of Biomedical Engineering, University at Buffalo, State University of New York, Buffalo, New York 14260, United States
| | - Weibo Cai
- Department of Radiology, University of Wisconsin-Madison, Madison, Wisconsin 53705, United States
| | - Jonathan F Lovell
- Department of Biomedical Engineering, University at Buffalo, State University of New York, Buffalo, New York 14260, United States
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39
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Ghosh S, Qi R, Carter KA, Zhang G, Pfeifer BA, Lovell JF. Loading and Releasing Ciprofloxacin in Photoactivatable Liposomes. Biochem Eng J 2018; 141:43-48. [PMID: 31105464 DOI: 10.1016/j.bej.2018.10.008] [Citation(s) in RCA: 15] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/22/2023]
Abstract
We demonstrate that ciprofloxacin can be actively loaded into liposomes that contain small amounts of porphyrin-phospholipid (PoP). PoP renders the liposomes photoactivatable, so that the antibiotic is released from the carrier under red light irradiation (665 nm). The use of 2 molar % PoP in the liposomes accommodated active loading of ciprofloxacin. Further inclusion of 2 molar % of an unsaturated phospholipid accelerated light-triggered drug release, with more than 90 % antibiotic release from the liposomes occurring in less than 30 seconds. With or without laser treatment, ciprofloxacin PoP liposomes inhibited the growth of Bacillus subtilis in liquid media, apparently due to uptake of the liposomes by the bacteria. However, when liposomes were first separated from smaller molecules with centrifugal filtration, only the filtrate from laser-treated liposomes was bactericidal, confirming effective release of active antibiotic. These results establish the feasibility of remote loading antibiotics into photoactivatable liposomes, which could lead to opportunities for enhanced localized antibiotic therapy.
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Affiliation(s)
- Sanjana Ghosh
- Department of Biomedical Engineering, University at Buffalo, State University of New York, Buffalo, New York, 14260, USA
| | - Ruiquan Qi
- Department of Chemical and Biological Engineering, University at Buffalo, State University of New York, Buffalo, New York, 14260, USA
| | - Kevin A Carter
- Department of Biomedical Engineering, University at Buffalo, State University of New York, Buffalo, New York, 14260, USA
| | - Guojian Zhang
- Department of Chemical and Biological Engineering, University at Buffalo, State University of New York, Buffalo, New York, 14260, USA
| | - Blaine A Pfeifer
- Department of Chemical and Biological Engineering, University at Buffalo, State University of New York, Buffalo, New York, 14260, USA
| | - Jonathan F Lovell
- Department of Biomedical Engineering, University at Buffalo, State University of New York, Buffalo, New York, 14260, USA
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40
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Aguilar-Ortíz E, Jalilian AR, Ávila-Rodríguez MA. Porphyrins as ligands for 64copper: background and trends. MEDCHEMCOMM 2018; 9:1577-1588. [PMID: 30429966 PMCID: PMC6194497 DOI: 10.1039/c8md00263k] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/21/2018] [Accepted: 08/17/2018] [Indexed: 12/13/2022]
Abstract
Porphyrins and 64Cu have emerged as a novel synergic option for applications in PET molecular imaging. Both the characteristics and photophysical properties of macrocyclic porphyrins and the relatively long half-life of the copper isotope, in addition to the increased tumor-specific uptake of porphyrins compared to normal cells, make this complex an attractive option not only for diagnosis but also for therapeutic applications. Herein, we present an overview of the latest results on the development of PET agents based on porphyrins and 64Cu, including methods used to improve the selectivity of these macrocycles when conjugated with biological units such as monoclonal antibodies, peptides or proteins.
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Affiliation(s)
- Edgar Aguilar-Ortíz
- Unidad Radiofarmacia-Ciclotrón , División de Investigación , Facultad de Medicina , Universidad Nacional Autónoma de México , 04510 Cd. Mx. , Mexico . ;
| | - Amir R Jalilian
- Department of Nuclear Sciences and Applications , International Atomic Energy Agency (IAEA) , Vienna , Austria
| | - Miguel A Ávila-Rodríguez
- Unidad Radiofarmacia-Ciclotrón , División de Investigación , Facultad de Medicina , Universidad Nacional Autónoma de México , 04510 Cd. Mx. , Mexico . ;
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41
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Sandland J, Malatesti N, Boyle R. Porphyrins and related macrocycles: Combining photosensitization with radio- or optical-imaging for next generation theranostic agents. Photodiagnosis Photodyn Ther 2018; 23:281-294. [DOI: 10.1016/j.pdpdt.2018.06.023] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/22/2018] [Revised: 05/22/2018] [Accepted: 06/27/2018] [Indexed: 12/13/2022]
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42
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Feng X, Shi Y, Xie L, Zhang K, Wang X, Liu Q, Wang P. Synthesis, Characterization, and Biological Evaluation of a Porphyrin-Based Photosensitizer and Its Isomer for Effective Photodynamic Therapy against Breast Cancer. J Med Chem 2018; 61:7189-7201. [DOI: 10.1021/acs.jmedchem.8b00547] [Citation(s) in RCA: 25] [Impact Index Per Article: 4.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022]
Affiliation(s)
- Xiaolan Feng
- National Engineering Laboratory for Resource Development of Endangered Crude Drugs in Northwest China, The Key Laboratory of Medicinal Resources and Natural Pharmaceutical Chemistry, The Ministry of Education, College of Life Sciences, Shaanxi Normal University, Xi’an, Shaanxi 710119, P. R. China
| | - Yin Shi
- National Engineering Laboratory for Resource Development of Endangered Crude Drugs in Northwest China, The Key Laboratory of Medicinal Resources and Natural Pharmaceutical Chemistry, The Ministry of Education, College of Life Sciences, Shaanxi Normal University, Xi’an, Shaanxi 710119, P. R. China
| | - Lifen Xie
- National Engineering Laboratory for Resource Development of Endangered Crude Drugs in Northwest China, The Key Laboratory of Medicinal Resources and Natural Pharmaceutical Chemistry, The Ministry of Education, College of Life Sciences, Shaanxi Normal University, Xi’an, Shaanxi 710119, P. R. China
| | - Kun Zhang
- National Engineering Laboratory for Resource Development of Endangered Crude Drugs in Northwest China, The Key Laboratory of Medicinal Resources and Natural Pharmaceutical Chemistry, The Ministry of Education, College of Life Sciences, Shaanxi Normal University, Xi’an, Shaanxi 710119, P. R. China
| | - Xiaobing Wang
- National Engineering Laboratory for Resource Development of Endangered Crude Drugs in Northwest China, The Key Laboratory of Medicinal Resources and Natural Pharmaceutical Chemistry, The Ministry of Education, College of Life Sciences, Shaanxi Normal University, Xi’an, Shaanxi 710119, P. R. China
| | - Quanhong Liu
- National Engineering Laboratory for Resource Development of Endangered Crude Drugs in Northwest China, The Key Laboratory of Medicinal Resources and Natural Pharmaceutical Chemistry, The Ministry of Education, College of Life Sciences, Shaanxi Normal University, Xi’an, Shaanxi 710119, P. R. China
| | - Pan Wang
- National Engineering Laboratory for Resource Development of Endangered Crude Drugs in Northwest China, The Key Laboratory of Medicinal Resources and Natural Pharmaceutical Chemistry, The Ministry of Education, College of Life Sciences, Shaanxi Normal University, Xi’an, Shaanxi 710119, P. R. China
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43
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Yap SY, Price TW, Savoie H, Boyle RW, Stasiuk GJ. Selective radiolabelling with 68Ga under mild conditions: a route towards a porphyrin PET/PDT theranostic agent. Chem Commun (Camb) 2018; 54:7952-7954. [PMID: 29956694 DOI: 10.1039/c8cc03897j] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/19/2022]
Abstract
A theranostic conjugate for use as a positron emission tomography (PET) radiotracer and as a photosensitiser for photodynamic therapy (PDT) has been synthesised. A water-soluble porphyrin was coupled with the bifunctional chelate, H4Dpaa.ga. This conjugate is capable of rapid 68Ga complexation under physiological conditions; with 93% and 80% radiochemical yields achieved, at pH 4.5 and pH 7.4 respectively, in 15 min at 25 °C. Photocytotoxicity was evaluated on HT-29 cells and showed the conjugate was capable of >50% cell death at 50 μM upon irradiation with light, while causing minimal toxicity in the absence of light (>95% cell survival).
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Affiliation(s)
- Steven Y Yap
- Chemistry, School of Mathematics and Physical Sciences, Faculty of Science and Engineering, University of Hull, HU6 7RX, UK.
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44
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Gonzales J, Bhupathiraju NVSDK, Hart D, Yuen M, Sifuentes MP, Samarxhiu B, Maranan M, Berisha N, Batteas J, Drain CM. One-Pot Synthesis of Four Chlorin Derivatives by a Divergent Ylide. J Org Chem 2018; 83:6307-6314. [PMID: 29775305 DOI: 10.1021/acs.joc.8b00169] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/05/2023]
Abstract
Chlorins have unique photophysical properties that are exploited in diverse biological and materials applications. De novo chlorin synthesis with specific exocyclic motifs can be challenging and many are not stable to photobleaching and/or oxidation. A facile approach to a stable synthetic chlorin with a fused N-methyl pyrrolidine uses cyclo addition of a sarcosine-based azomethine ylide on 5,10,15,20-tetrakis(2,3,4,5,6-pentafluorophenyl)-porphyrin (TPPF20) is reported, but this approach has limitations. We report the synthesis of stable chlorin scaffolds starting with TPPF20 using a new glycine-based N-(hydroxymethyl)- N-methelenemethanideaminium ylide. Careful control of the 1,3-dipolar cycloaddition reaction allows a divergent use of the glycine derived ylide to yield four new chlorins, including the fused NH-pyrrolidine, two dimers, and the same N-methyl chlorin product from the sarcosine ylide reaction. The mechanism begins with the formation of a bis(hydroxymethyl)glycine, which then dehydrates and decarboxylates to form the active N-(hydroxymethyl)- N-methelenemethanideaminium ylide, which then reacts with TPPF20 to form a key N-(hydroxymethyl)-17,18-pyrrolidinyl-chlorin intermediate. Deformylation of this intermediate affords the (17,18-pyrrolidinyl)-chlorin, whereas a Cannizzaro-type reaction promotes a hydride attack to an imine chlorin cation to yield the N-methyl chlorin. The exocyclic NH-pyrrolidine provides a unique mode of attaching chiral moieties that avoids formation of diasteromers at the bridgehead carbons.
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Affiliation(s)
- Junior Gonzales
- Department of Chemistry , Hunter College of The City University of New York , New York , New York 10065 , United States.,The Graduate Center of The City University of New York , New York , New York 10016 , United States
| | - N V S Dinesh K Bhupathiraju
- Department of Chemistry , Hunter College of The City University of New York , New York , New York 10065 , United States
| | - Daniel Hart
- Department of Chemistry , Hunter College of The City University of New York , New York , New York 10065 , United States
| | - Man Yuen
- Department of Chemistry , Hunter College of The City University of New York , New York , New York 10065 , United States
| | - Maria Pia Sifuentes
- Department of Chemistry , Hunter College of The City University of New York , New York , New York 10065 , United States
| | - Bleron Samarxhiu
- Department of Chemistry , Hunter College of The City University of New York , New York , New York 10065 , United States
| | - Mark Maranan
- Department of Chemistry , Hunter College of The City University of New York , New York , New York 10065 , United States
| | - Naxhije Berisha
- Department of Chemistry , Hunter College of The City University of New York , New York , New York 10065 , United States
| | - James Batteas
- Department of Chemistry , Texas A&M University , College Station , Texas 77843-3255 , United States
| | - Charles Michael Drain
- Department of Chemistry , Hunter College of The City University of New York , New York , New York 10065 , United States.,The Rockefeller University , New York , New York 10016 , United States
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45
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Fadlan A, Tanimoto H, Ito T, Aritomi Y, Ueno M, Tokuda M, Hirohara S, Obata M, Morimoto T, Kakiuchi K. Synthesis, photophysical properties, and photodynamic activity of positional isomers of TFPP-glucose conjugates. Bioorg Med Chem 2018; 26:1848-1858. [DOI: 10.1016/j.bmc.2018.02.031] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/18/2017] [Revised: 02/13/2018] [Accepted: 02/18/2018] [Indexed: 01/22/2023]
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46
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Chitgupi U, Lovell JF. Naphthalocyanines as contrast agents for photoacoustic and multimodal imaging. Biomed Eng Lett 2018; 8:215-221. [PMID: 30603204 PMCID: PMC6208521 DOI: 10.1007/s13534-018-0059-2] [Citation(s) in RCA: 19] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/14/2018] [Revised: 02/11/2018] [Accepted: 02/19/2018] [Indexed: 11/27/2022] Open
Abstract
Naphthalocyanines (Ncs) are a family of aromatic small molecule with large near infrared extinction coefficients, making them appealing contrast agent candidates for photoacoustic imaging (PAI). Depending on the substitutions on the Nc periphery or metal center, different spectrally-resolved absorption peak wavelengths are possible, which can enable photoacoustic contrast multiplexing. Owing to their generally poor aqueous solubility, approaches have been developed to modify Ncs or formulate them as biocompatible contrast agents for PAI. Due to their inherent capacity for metal ion chelation, Ncs hold potential for complementary multimodal contrast imaging techniques such as 64Cu positron emission tomography. In this research perspective, we highlight some recent reports involving the use of Ncs in PAI.
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Affiliation(s)
- Upendra Chitgupi
- Department of Biomedical Engineering, University at Buffalo, State University of New York, Buffalo, NY 14260 USA
| | - Jonathan F. Lovell
- Department of Biomedical Engineering, University at Buffalo, State University of New York, Buffalo, NY 14260 USA
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47
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Chitgupi U, Lovell JF, Rajendiran V. Assessing Photosensitizer Targeting Using Meso-Tetra(Carboxyphenyl) Porphyrin. Molecules 2018; 23:molecules23040892. [PMID: 29649139 PMCID: PMC6017280 DOI: 10.3390/molecules23040892] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/06/2018] [Revised: 03/28/2018] [Accepted: 04/10/2018] [Indexed: 11/16/2022] Open
Abstract
Mesotetra(4-carboxyphenyl)porphyrin (mTCPP) is a commercially available small molecule fluorophore and photosensitizer with four free carboxylic acid groups. mTCPP can readily be conjugated with amines for facile attachment of functional groups. In this work, we synthesized and assessed tetravalent, lysine-conjugated mTCPP, for its potential applications in targeted imaging and photodynamic therapy. Fmoc-protected d-lysine or l-lysine was conjugated to mTCPP via amide coupling with the epsilon amine group of lysine, followed by Fmoc deprotection. The resulting compounds did not dissolve well in aqueous solvent, but could be solubilized with the assistance of surfactants, including cholic acid. The l-amino acid transporter (LAT1) can uptake diverse neutral l-amino acids. In vitro studies with U87 cells revealed a non-specific uptake of the hydrophobic Fmoc-protected lysine-conjugated mTCPP precursors, but not d- or l-lysine mTCPP. Likewise, only the Fmoc-protected compounds induced substantial phototoxicty in cells following incubation and irradiation with blue light. These experimental results do not provide evidence to suggest that lysine-mTCPP is able to specifically target cancer cells. However, they do highlight mTCPP as a convenient and accessible framework for assessing molecular targeting of photosensitizers.
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Affiliation(s)
- Upendra Chitgupi
- Department of Biomedical Engineering, University at Buffalo, State University of New York, Buffalo, New York, NY 14260, USA.
| | - Jonathan F Lovell
- Department of Biomedical Engineering, University at Buffalo, State University of New York, Buffalo, New York, NY 14260, USA.
| | - Venugopal Rajendiran
- Department of Biomedical Engineering, University at Buffalo, State University of New York, Buffalo, New York, NY 14260, USA.
- Department of Chemistry, School of Basic and Applied Sciences, Central University of Tamil Nadu, Thiruvarur 610005, India.
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48
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Gonzales J, Bhupathiraju NVSDK, Perea W, Chu H, Berisha N, Bueno V, Dodic N, Rozenberg J, Greenbaum NL, Drain CM. Facile synthesis of chlorin bioconjugates by a series of click reactions. Chem Commun (Camb) 2018; 53:3773-3776. [PMID: 28304032 DOI: 10.1039/c7cc01265a] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/06/2023]
Abstract
A multifunctional chlorin platform appended with four short polyethylene glycols and a carboxylate-linker allows rapid conjugation to biotargeting motifs such as proteins and oligonucleotides. The stability and photophysical properties of the chlorin enable development of diagnostics, imaging, molecular tracking, and theranostics.
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Affiliation(s)
- Junior Gonzales
- Department of Chemistry, Hunter College of the City University of New York, 695 Park Avenue, New York, New York 10065, USA. and Chemistry Program, Graduate Center of the City University of New York, 365 5th Avenue, New York, New York 10016, USA
| | - N V S Dinesh K Bhupathiraju
- Department of Chemistry, Hunter College of the City University of New York, 695 Park Avenue, New York, New York 10065, USA.
| | - William Perea
- Department of Chemistry, Hunter College of the City University of New York, 695 Park Avenue, New York, New York 10065, USA.
| | - Huong Chu
- Department of Chemistry, Hunter College of the City University of New York, 695 Park Avenue, New York, New York 10065, USA. and Chemistry Program, Graduate Center of the City University of New York, 365 5th Avenue, New York, New York 10016, USA
| | - Naxhije Berisha
- Department of Chemistry, Hunter College of the City University of New York, 695 Park Avenue, New York, New York 10065, USA.
| | - Veronica Bueno
- Department of Chemistry, Hunter College of the City University of New York, 695 Park Avenue, New York, New York 10065, USA.
| | - Naser Dodic
- Department of Chemistry, Hunter College of the City University of New York, 695 Park Avenue, New York, New York 10065, USA.
| | - Julia Rozenberg
- Department of Chemistry, Hunter College of the City University of New York, 695 Park Avenue, New York, New York 10065, USA.
| | - Nancy L Greenbaum
- Department of Chemistry, Hunter College of the City University of New York, 695 Park Avenue, New York, New York 10065, USA. and Chemistry Program, Graduate Center of the City University of New York, 365 5th Avenue, New York, New York 10016, USA
| | - Charles Michael Drain
- Department of Chemistry, Hunter College of the City University of New York, 695 Park Avenue, New York, New York 10065, USA. and Chemistry Program, Graduate Center of the City University of New York, 365 5th Avenue, New York, New York 10016, USA and Rockefeller University, 1230 York Avenue, New York, New York 10065, USA
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49
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Duffy MJ, Planas O, Faust A, Vogl T, Hermann S, Schäfers M, Nonell S, Strassert CA. Towards optimized naphthalocyanines as sonochromes for photoacoustic imaging in vivo. PHOTOACOUSTICS 2018; 9:49-61. [PMID: 29707479 PMCID: PMC5914198 DOI: 10.1016/j.pacs.2017.12.001] [Citation(s) in RCA: 20] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/14/2017] [Accepted: 12/14/2017] [Indexed: 05/10/2023]
Abstract
In this paper we establish a methodology to predict photoacoustic imaging capabilities from the structure of absorber molecules (sonochromes). The comparative in vitro and in vivo screening of naphthalocyanines and cyanine dyes has shown a substitution pattern dependent shift in photoacoustic excitation wavelength, with distal substitution producing the preferred maximum around 800 nm. Central ion change showed variable production of photoacoustic signals, as well as singlet oxygen photoproduction and fluorescence with the optimum for photoacoustic imaging being nickel(II). Our approach paves the way for the design, evaluation and realization of optimized sonochromes as photoacoustic contrast agents.
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Affiliation(s)
- Mitchell J. Duffy
- European Institute for Molecular Imaging (EIMI), University of Münster, Germany
- Cells-in-Motion Cluster of Excellence (EXC 1003-CiM), University of Münster, Germany
| | - Oriol Planas
- Institut Químic de Sarrià, Universitat Ramon Llull, Spain
| | - Andreas Faust
- European Institute for Molecular Imaging (EIMI), University of Münster, Germany
- Cells-in-Motion Cluster of Excellence (EXC 1003-CiM), University of Münster, Germany
| | - Thomas Vogl
- Institut für Immunologie, University of Münster, Germany
| | - Sven Hermann
- European Institute for Molecular Imaging (EIMI), University of Münster, Germany
- Cells-in-Motion Cluster of Excellence (EXC 1003-CiM), University of Münster, Germany
| | - Michael Schäfers
- European Institute for Molecular Imaging (EIMI), University of Münster, Germany
- Cells-in-Motion Cluster of Excellence (EXC 1003-CiM), University of Münster, Germany
- Department of Nuclear Medicine, University Hospital of Münster, Germany
| | - Santi Nonell
- Institut Químic de Sarrià, Universitat Ramon Llull, Spain
| | - Cristian A. Strassert
- Physikalisches Institut and Center for Nanotechnology (CeNTech) University of Münster, Germany
- Corresponding author.
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Amirchaghmaghi M, Mohtasham N, Delavarian Z, Shakeri MT, Hatami M, Mosannen Mozafari P. The diagnostic value of the native fluorescence visualization device for early detection of premalignant/malignant lesions of the oral cavity. Photodiagnosis Photodyn Ther 2017; 21:19-27. [PMID: 29079347 DOI: 10.1016/j.pdpdt.2017.10.019] [Citation(s) in RCA: 29] [Impact Index Per Article: 4.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/09/2017] [Revised: 10/15/2017] [Accepted: 10/20/2017] [Indexed: 10/18/2022]
Abstract
PURPOSE The present study aimed to determine the diagnostic value of a native fluorescence visualization device in the identification of oral malignant/dysplastic lesions. METHODS This study involved 45 patients who had oral lesions that were suspected to be malignant, potentially malignant, or benign. The patients visited the Oral Medicine Department of the Mashhad Dental School. The sensitivity, specificity, positive and negative predictive values, and likelihood ratio of this device were determined. RESULTS The histopathological assessment of samples showed 9 cases of oral squamous cell carcinoma and 12 lesions with dysplasia. Ten samples of dysplastic lesions and all malignant lesions appeared dark or red/orange when examined with the native fluorescence visualization device. In 90% of the dysplastic/malignant lesions, the label-free fluorescence results were positive. The sensitivity, specificity, and positive and negative predictive values of this device were 90%, 15%, 40%, and 71%, respectively. CONCLUSIONS The native fluorescence visualization device can be used in specialized centers as an adjunctive device to increase the sensitivity of a clinical examination, but is not capable of distinguishing benign lesions from malignant and dysplastic ones due to its low specificity.
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Affiliation(s)
- Maryam Amirchaghmaghi
- Oral & Maxillofacial Diseases Research Center, Mashhad University of Medical Sciences, Mashhad, Iran
| | - Nooshin Mohtasham
- Oral & Maxillofacial Diseases Research Center, Mashhad University of Medical Sciences, Mashhad, Iran
| | - Zahra Delavarian
- Oral & Maxillofacial Diseases Research Center, Mashhad University of Medical Sciences, Mashhad, Iran
| | - Mohammad Taghi Shakeri
- Social Determinants of Health Research Center, Mashhad University o Medical Sciences, Mashhad, Iran
| | - Masoud Hatami
- Department of Oral and Maxillofacial Diseases, School of Dentistry, Lorestan University of Medical Sciences, Khorramabad, Iran.
| | - Pegah Mosannen Mozafari
- Oral & Maxillofacial Diseases Research Center, Mashhad University of Medical Sciences, Mashhad, Iran
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