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Na J, Lee CH, Chung JK, Youn H. Overexpression of Both Human Sodium Iodide Symporter (NIS) and BRG1-Bromodomain Synergistically Enhances Radioiodine Sensitivity by Stabilizing p53 through NPM1 Expression. Int J Mol Sci 2023; 24:ijms24032761. [PMID: 36769088 PMCID: PMC9917390 DOI: 10.3390/ijms24032761] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/28/2022] [Revised: 01/19/2023] [Accepted: 01/27/2023] [Indexed: 02/04/2023] Open
Abstract
Improved therapeutic strategies are required to minimize side effects associated with radioiodine gene therapy to avoid unnecessary damage to normal cells and radiation-induced secondary malignancies. We previously reported that codon-optimized sodium iodide symporter (oNIS) enhances absorption of I-131 and that the brahma-associated gene 1 bromodomain (BRG1-BRD) causes inefficient DNA damage repair after high-energy X-ray therapy. To increase the therapeutic effect without applying excessive radiation, we considered the combination of oNIS and BRG1-BRD as gene therapy for the most effective radioiodine treatment. The antitumor effect of I-131 with oNIS or oNIS+BRD expression was examined by tumor xenograft models along with functional assays at the cellular level. The synergistic effect of both BRG1-BRD and oNIS gene overexpression resulted in more DNA double-strand breaks and led to reduced cell proliferation/survival rates after I-131 treatment, which was mediated by the p53/p21 pathway. We found increased p53, p21, and nucleophosmin 1 (NPM1) in oNIS- and BRD-expressing cells following I-131 treatment, even though the remaining levels of citrulline and protein arginine deiminase 4 (PAD4) were unchanged at the protein level.
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Affiliation(s)
- Juri Na
- Department of Nuclear Medicine, Seoul National University College of Medicine, Seoul 03080, Republic of Korea
- Correspondence: (J.N.); (H.Y.); Tel.: +44-1752-431038 (J.N.); +82-2-3668-7026 (H.Y.)
| | - Chul-Hee Lee
- Department of Nuclear Medicine, Seoul National University College of Medicine, Seoul 03080, Republic of Korea
| | - June-Key Chung
- Department of Nuclear Medicine, Seoul National University College of Medicine, Seoul 03080, Republic of Korea
| | - Hyewon Youn
- Department of Nuclear Medicine, Seoul National University College of Medicine, Seoul 03080, Republic of Korea
- Cancer Research Institute, Seoul National University College of Medicine, Seoul 03080, Republic of Korea
- Cancer Imaging Centre, Seoul National University Hospital, Seoul 03080, Republic of Korea
- Correspondence: (J.N.); (H.Y.); Tel.: +44-1752-431038 (J.N.); +82-2-3668-7026 (H.Y.)
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Varakumar P, Rajagopal K, Aparna B, Raman K, Byran G, Gonçalves Lima CM, Rashid S, Nafady MH, Emran TB, Wybraniec S. Acridine as an Anti-Tumour Agent: A Critical Review. Molecules 2022; 28:molecules28010193. [PMID: 36615391 PMCID: PMC9822522 DOI: 10.3390/molecules28010193] [Citation(s) in RCA: 10] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/04/2022] [Revised: 12/14/2022] [Accepted: 12/21/2022] [Indexed: 12/28/2022] Open
Abstract
This review summarized the current breakthroughs in the chemistry of acridines as anti-cancer agents, including new structural and biologically active acridine attributes. Acridine derivatives are a class of compounds that are being extensively researched as potential anti-cancer drugs. Acridines are well-known for their high cytotoxic activity; however, their clinical application is restricted or even excluded as a result of side effects. The photocytotoxicity of propyl acridine acts against leukaemia cell lines, with C1748 being a promising anti-tumour drug against UDP-UGT's. CK0403 is reported in breast cancer treatment and is more potent than CK0402 against estrogen receptor-negative HER2. Acridine platinum (Pt) complexes have shown specificity on the evaluated DNA sequences; 9-anilinoacridine core, which intercalates DNA, and a methyl triazene DNA-methylating moiety were also studied. Acridine thiourea gold and acridinone derivatives act against cell lines such as MDA-MB-231, SK-BR-3, and MCF-7. Benzimidazole acridine compounds demonstrated cytotoxic activity against Dual Topo and PARP-1. Quinacrine, thiazacridine, and azacridine are reported as anti-cancer agents, which have been reported in the previous decade and were addressed in this review article.
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Affiliation(s)
- Potlapati Varakumar
- Department of Pharmaceutical Chemistry, JSS College of Pharmacy (JSS Academy of Higher Education & Research), Ooty 643001, India
| | - Kalirajan Rajagopal
- Department of Pharmaceutical Chemistry, JSS College of Pharmacy (JSS Academy of Higher Education & Research), Ooty 643001, India
- Correspondence: (K.R.); (T.B.E.); (S.W.)
| | - Baliwada Aparna
- Department of Pharmaceutical Chemistry, JSS College of Pharmacy (JSS Academy of Higher Education & Research), Ooty 643001, India
| | - Kannan Raman
- Department of Pharmaceutical Chemistry, JSS College of Pharmacy (JSS Academy of Higher Education & Research), Ooty 643001, India
| | - Gowramma Byran
- Department of Pharmaceutical Chemistry, JSS College of Pharmacy (JSS Academy of Higher Education & Research), Ooty 643001, India
| | | | - Salma Rashid
- Department of Pharmacy, Faculty of Allied Health Sciences, Daffodil International University, Dhaka 1207, Bangladesh
| | - Mohammed H. Nafady
- Faculty of Applied Health Science Technology, Misr University for Science and Technology, Giza 12568, Egypt
| | - Talha Bin Emran
- Department of Pharmacy, Faculty of Allied Health Sciences, Daffodil International University, Dhaka 1207, Bangladesh
- Department of Pharmacy, BGC Trust University Bangladesh, Chittagong 4381, Bangladesh
- Correspondence: (K.R.); (T.B.E.); (S.W.)
| | - Sławomir Wybraniec
- Department of Chemical Technology and Environmental Analysis, Faculty of Chemical Engineering and Technology, Cracow University of Technology, Warszawska 24, 31-155 Krakow, Poland
- Correspondence: (K.R.); (T.B.E.); (S.W.)
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Palma E, Carvalho J, Cruz C, Paulo A. Metal-Based G-Quadruplex Binders for Cancer Theranostics. Pharmaceuticals (Basel) 2021; 14:605. [PMID: 34201682 PMCID: PMC8308583 DOI: 10.3390/ph14070605] [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: 05/27/2021] [Revised: 06/21/2021] [Accepted: 06/21/2021] [Indexed: 12/11/2022] Open
Abstract
The ability of fluorescent small molecules, such as metal complexes, to selectively recognize G-quadruplex (G4) structures has opened a route to develop new probes for the visualization of these DNA structures in cells. The main goal of this review is to update the most recent research efforts towards the development of novel cancer theranostic agents using this type of metal-based probes that specifically recognize G4 structures. This encompassed a comprehensive overview of the most significant progress in the field, namely based on complexes with Cu, Pt, and Ru that are among the most studied metals to obtain this class of molecules. It is also discussed the potential interest of obtaining G4-binders with medical radiometals (e.g., 99mTc, 111In, 64Cu, 195mPt) suitable for diagnostic and/or therapeutic applications within nuclear medicine modalities, in order to enable their theranostic potential.
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Affiliation(s)
- Elisa Palma
- C2TN-Centro de Ciências e Tecnologias Nucleares, Instituto Superior Técnico, Universidade de Lisboa, Estrada Nacional 10, 2695-066 Bobadela LRS, Portugal;
| | - Josué Carvalho
- CICS-UBI-Centro de Investigação em Ciências da Saúde, Universidade da Beira Interior, Av. Infante D. Henrique, 6200-506 Covilhã, Portugal; (J.C.); (C.C.)
| | - Carla Cruz
- CICS-UBI-Centro de Investigação em Ciências da Saúde, Universidade da Beira Interior, Av. Infante D. Henrique, 6200-506 Covilhã, Portugal; (J.C.); (C.C.)
| | - António Paulo
- C2TN-Centro de Ciências e Tecnologias Nucleares, Instituto Superior Técnico, Universidade de Lisboa, Estrada Nacional 10, 2695-066 Bobadela LRS, Portugal;
- DECN-Departamento de Engenharia e Ciências Nucleares, Instituto Superior Técnico, Universidade de Lisboa, Estrada Nacional 10, 2695-066 Bobadela LRS, Portugal
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Belchior A, Di Maria S, Fernandes C, Vaz P, Paulo A, Raposinho P. Radiobiological and dosimetric assessment of DNA-intercalated 99mTc-complexes bearing acridine orange derivatives. EJNMMI Res 2020; 10:79. [PMID: 32661612 PMCID: PMC7359215 DOI: 10.1186/s13550-020-00663-9] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/22/2020] [Accepted: 06/25/2020] [Indexed: 11/16/2022] Open
Abstract
BACKGROUND Recently, a new family of 99mTc(I)-tricarbonyl complexes bearing an acridine orange (AO) DNA targeting unit and different linkers between the Auger emitter (99mTc) and the AO moiety was evaluated for Auger therapy. Among them, 99mTc-C3 places the corresponding radionuclide at a shortest distance to DNA and produces important double strand breaks (DSB) yields in plasmid DNA providing the first evidence that 99mTc can efficiently induce DNA damage when well positioned to the double helix. Here in, we have extended the studies to human prostate cancer PC3 cells using the 99mTc-C3 and 99mTc-C5 complexes, aiming to assess how the distance to DNA influences the radiation-induced biological effects in this tumoral cell line, namely, in which concerns early and late damage effects. RESULTS Our results highlight the limited biological effectiveness of Auger electrons, as short path length radiation, with increasing distances to DNA. The evaluation of the radiation-induced biological effects was complemented with a comparative microdosimetric study based on intracellular dose values. The comparative study, between MIRD and Monte Carlo (MC) methods used to assess the cellular doses, revealed that efforts should be made in order to standardize the bioeffects modeling for DNA-incorporated Auger electron emitters. CONCLUSIONS 99mTc might not be the ideal radionuclide for Auger therapy but can be useful to validate the design of new classes of Auger-electron emitting radioconjugates. In this context, our results highlight the crucial importance of the distance of Auger electron emitters to the target DNA and encourage the development of strategies for the fine tuning of the distance to DNA for other medical radionuclides (e.g., 111In or 161Tb) in order to enhance their radiotherapeutic effects within the Auger therapy of cancer.
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Affiliation(s)
- Ana Belchior
- Centro de Ciências e Tecnologias Nucleares, Instituto Superior Técnico, Universidade de Lisboa, Estrada Nacional 10 (km 139,7), 2695-066, Bobadela LRS, Portugal.
| | - Salvatore Di Maria
- Centro de Ciências e Tecnologias Nucleares, Instituto Superior Técnico, Universidade de Lisboa, Estrada Nacional 10 (km 139,7), 2695-066, Bobadela LRS, Portugal
| | - Célia Fernandes
- Centro de Ciências e Tecnologias Nucleares, Instituto Superior Técnico, Universidade de Lisboa, Estrada Nacional 10 (km 139,7), 2695-066, Bobadela LRS, Portugal
| | - Pedro Vaz
- Centro de Ciências e Tecnologias Nucleares, Instituto Superior Técnico, Universidade de Lisboa, Estrada Nacional 10 (km 139,7), 2695-066, Bobadela LRS, Portugal
| | - António Paulo
- Centro de Ciências e Tecnologias Nucleares, Instituto Superior Técnico, Universidade de Lisboa, Estrada Nacional 10 (km 139,7), 2695-066, Bobadela LRS, Portugal
| | - Paula Raposinho
- Centro de Ciências e Tecnologias Nucleares, Instituto Superior Técnico, Universidade de Lisboa, Estrada Nacional 10 (km 139,7), 2695-066, Bobadela LRS, Portugal.
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5
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Pereira E, do Quental L, Palma E, Oliveira MC, Mendes F, Raposinho P, Correia I, Lavrado J, Di Maria S, Belchior A, Vaz P, Santos I, Paulo A. Evaluation of Acridine Orange Derivatives as DNA-Targeted Radiopharmaceuticals for Auger Therapy: Influence of the Radionuclide and Distance to DNA. Sci Rep 2017; 7:42544. [PMID: 28211920 PMCID: PMC5304164 DOI: 10.1038/srep42544] [Citation(s) in RCA: 49] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/25/2016] [Accepted: 01/09/2017] [Indexed: 01/01/2023] Open
Abstract
A new family of 99mTc(I)- tricarbonyl complexes and 125I-heteroaromatic compounds bearing an acridine orange (AO) DNA targeting unit was evaluated for Auger therapy. Characterization of the DNA interaction, performed with the non-radioactive Re and 127I congeners, confirmed that all compounds act as DNA intercalators. Both classes of compounds induce double strand breaks (DSB) in plasmid DNA but the extent of DNA damage is strongly dependent on the linker between the Auger emitter (99mTc or 125I) and the AO moiety. The in vitro evaluation was complemented with molecular docking studies and Monte Carlo simulations of the energy deposited at the nanometric scale, which corroborated the experimental data. Two of the tested compounds, 125I-C5 and 99mTc-C3, place the corresponding radionuclide at similar distances to DNA and produce comparable DSB yields in plasmid and cellular DNA. These results provide the first evidence that 99mTc can induce DNA damage with similar efficiency to that of 125I, when both are positioned at comparable distances to the double helix. Furthermore, the high nuclear retention of 99mTc-C3 in tumoral cells suggests that 99mTc-labelled AO derivatives are more promising for the design of Auger-emitting radiopharmaceuticals than the 125I-labelled congeners.
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Affiliation(s)
- Edgar Pereira
- Centro de Ciências e Tecnologias Nucleares, Instituto Superior Técnico, Universidade de Lisboa, Estrada Nacional 10 (km 139,7), 2695-066 Bobadela LRS, Portugal
| | - Letícia do Quental
- Centro de Ciências e Tecnologias Nucleares, Instituto Superior Técnico, Universidade de Lisboa, Estrada Nacional 10 (km 139,7), 2695-066 Bobadela LRS, Portugal
| | - Elisa Palma
- Centro de Ciências e Tecnologias Nucleares, Instituto Superior Técnico, Universidade de Lisboa, Estrada Nacional 10 (km 139,7), 2695-066 Bobadela LRS, Portugal.,Centro Química Estrutural, Instituto Superior Técnico, Universidade de Lisboa, Av. Rovisco Pais 1049-001 Lisboa, Portugal
| | - Maria Cristina Oliveira
- Centro de Ciências e Tecnologias Nucleares, Instituto Superior Técnico, Universidade de Lisboa, Estrada Nacional 10 (km 139,7), 2695-066 Bobadela LRS, Portugal
| | - Filipa Mendes
- Centro de Ciências e Tecnologias Nucleares, Instituto Superior Técnico, Universidade de Lisboa, Estrada Nacional 10 (km 139,7), 2695-066 Bobadela LRS, Portugal
| | - Paula Raposinho
- Centro de Ciências e Tecnologias Nucleares, Instituto Superior Técnico, Universidade de Lisboa, Estrada Nacional 10 (km 139,7), 2695-066 Bobadela LRS, Portugal
| | - Isabel Correia
- Centro Química Estrutural, Instituto Superior Técnico, Universidade de Lisboa, Av. Rovisco Pais 1049-001 Lisboa, Portugal
| | - João Lavrado
- iMed.ULisboa, Faculdade de Farmácia, Universidade de Lisboa, Av. Prof. Gama Pinto, 1649-003 Lisboa, Portugal
| | - Salvatore Di Maria
- Centro de Ciências e Tecnologias Nucleares, Instituto Superior Técnico, Universidade de Lisboa, Estrada Nacional 10 (km 139,7), 2695-066 Bobadela LRS, Portugal
| | - Ana Belchior
- Centro de Ciências e Tecnologias Nucleares, Instituto Superior Técnico, Universidade de Lisboa, Estrada Nacional 10 (km 139,7), 2695-066 Bobadela LRS, Portugal
| | - Pedro Vaz
- Centro de Ciências e Tecnologias Nucleares, Instituto Superior Técnico, Universidade de Lisboa, Estrada Nacional 10 (km 139,7), 2695-066 Bobadela LRS, Portugal
| | - Isabel Santos
- Centro de Ciências e Tecnologias Nucleares, Instituto Superior Técnico, Universidade de Lisboa, Estrada Nacional 10 (km 139,7), 2695-066 Bobadela LRS, Portugal
| | - António Paulo
- Centro de Ciências e Tecnologias Nucleares, Instituto Superior Técnico, Universidade de Lisboa, Estrada Nacional 10 (km 139,7), 2695-066 Bobadela LRS, Portugal
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Lozić I, Hartz RV, Bartlett CA, Shaw JA, Archer M, Naidu PSR, Smith NM, Dunlop SA, Iyer KS, Kilburn MR, Fitzgerald M. Enabling dual cellular destinations of polymeric nanoparticles for treatment following partial injury to the central nervous system. Biomaterials 2015; 74:200-16. [PMID: 26461115 DOI: 10.1016/j.biomaterials.2015.10.001] [Citation(s) in RCA: 20] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/15/2015] [Revised: 09/29/2015] [Accepted: 10/01/2015] [Indexed: 12/27/2022]
Abstract
Following neurotrauma, oxidative stress is spread via the astrocytic syncytium and is associated with increased aquaporin 4 (AQP4), inflammatory cell infiltration, loss of neurons and glia and functional deficits. Herein we evaluate multimodal polymeric nanoparticles functionalized with an antibody to an extracellular epitope of AQP4, for targeted delivery of an anti-oxidant as a therapeutic strategy following partial optic nerve transection. Using fluorescence microscopy, spectrophotometry, correlative nanoscale secondary ion mass spectrometry (NanoSIMS) and transmission electron microscopy, in vitro and in vivo, we demonstrate that functionalized nanoparticles are coated with serum proteins such as albumin and enter both macrophages and astrocytes when administered to the site of a partial optic nerve transection in rat. Antibody functionalized nanoparticles synthesized to deliver the antioxidant resveratrol are effective in reducing oxidative damage to DNA, AQP4 immunoreactivity and preserving visual function. Non-functionalized nanoparticles evade macrophages more effectively and are found more diffusely, including in astrocytes, however they do not preserve the optic nerve from oxidative damage or functional loss following injury. Our study highlights the need to comprehensively investigate nanoparticle location, interactions and effects, both in vitro and in vivo, in order to fully understand functional outcomes.
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Affiliation(s)
- I Lozić
- School of Chemistry and Biochemistry, The University of Western Australia, 35 Stirling Hwy, Crawley WA 6009, Australia; Experimental and Regenerative Neurosciences, School of Animal Biology, The University of Western Australia, 35 Stirling Hwy, Crawley WA 6009, Australia
| | - R V Hartz
- Experimental and Regenerative Neurosciences, School of Animal Biology, The University of Western Australia, 35 Stirling Hwy, Crawley WA 6009, Australia
| | - C A Bartlett
- Experimental and Regenerative Neurosciences, School of Animal Biology, The University of Western Australia, 35 Stirling Hwy, Crawley WA 6009, Australia
| | - J A Shaw
- Centre for Microscopy, Characterisation and Analysis, The University of Western Australia, 35 Stirling Hwy, Crawley WA 6009, Australia
| | - M Archer
- Experimental and Regenerative Neurosciences, School of Animal Biology, The University of Western Australia, 35 Stirling Hwy, Crawley WA 6009, Australia
| | - P S R Naidu
- School of Chemistry and Biochemistry, The University of Western Australia, 35 Stirling Hwy, Crawley WA 6009, Australia; Experimental and Regenerative Neurosciences, School of Animal Biology, The University of Western Australia, 35 Stirling Hwy, Crawley WA 6009, Australia
| | - N M Smith
- School of Chemistry and Biochemistry, The University of Western Australia, 35 Stirling Hwy, Crawley WA 6009, Australia; Experimental and Regenerative Neurosciences, School of Animal Biology, The University of Western Australia, 35 Stirling Hwy, Crawley WA 6009, Australia
| | - S A Dunlop
- Experimental and Regenerative Neurosciences, School of Animal Biology, The University of Western Australia, 35 Stirling Hwy, Crawley WA 6009, Australia
| | - K Swaminathan Iyer
- School of Chemistry and Biochemistry, The University of Western Australia, 35 Stirling Hwy, Crawley WA 6009, Australia
| | - M R Kilburn
- Centre for Microscopy, Characterisation and Analysis, The University of Western Australia, 35 Stirling Hwy, Crawley WA 6009, Australia
| | - M Fitzgerald
- Experimental and Regenerative Neurosciences, School of Animal Biology, The University of Western Australia, 35 Stirling Hwy, Crawley WA 6009, Australia.
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Parat A, Kryza D, Degoul F, Taleb J, Viallard C, Janier M, Garofalo A, Bonazza P, Heinrich-Balard L, Cohen R, Miot-Noirault E, Chezal JM, Billotey C, Felder-Flesch D. Radiolabeled dendritic probes as tools for high in vivo tumor targeting: application to melanoma. J Mater Chem B 2015; 3:2560-2571. [DOI: 10.1039/c5tb00235d] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
A small-sized and bifunctional111In-radiolabeled dendron shows highin vivotargeting efficiency towards an intracellular target in a murine melanoma model.
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André M, Besse S, Chezal JM, Mounetou E. PEGylation enhances the tumor selectivity of melanoma-targeted conjugates. Org Biomol Chem 2014; 13:388-97. [PMID: 25363288 DOI: 10.1039/c4ob01751j] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/06/2023]
Abstract
In the development of our melanoma-selective delivery approach, three preselected conjugates of 5-iodo-2'-deoxyuridine (IUdR) to the ICF01012 melanoma-carrier were radiolabelled with iodine-125, and their in vivo distribution profile was determined. A radioiodination method for the conjugate 1a and its PEGylated derivatives 1b-c was developed via electrophilic iododestannylation in good radiochemical yield with excellent radiochemical purity (>99%). When administered to melanoma-bearing mice, the PEGylated conjugates exhibited an increased tumour uptake with a prolonged residence time. PEGylation also resulted in enhanced tumour selectivity compared with the non-PEGylated parent. These characteristics support further development of this model to achieve maximal concentration of anticancer therapeutics at the local site of action and minimize distribution to non-targeted sites.
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Affiliation(s)
- Mathieu André
- INSERM - Université d'Auvergne UMR 990, IMTV, BP 184, F-63005 Clermont-Ferrand Cedex, France.
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9
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Sedlacek O, Kucka J, Mattova J, Parizek M, Studenovsky M, Zadinova M, Pouckova P, Hruby M. Multistage-targeted pH-responsive polymer conjugate of Auger electron emitter: Optimized design and in vivo activity. Eur J Pharm Sci 2014; 63:216-25. [DOI: 10.1016/j.ejps.2014.07.012] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/05/2014] [Revised: 07/17/2014] [Accepted: 07/31/2014] [Indexed: 12/31/2022]
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10
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El Aissi R, Liu J, Besse S, Canitrot D, Chavignon O, Chezal JM, Miot-Noirault E, Moreau E. Synthesis and Biological Evaluation of New Quinoxaline Derivatives of ICF01012 as Melanoma-Targeting Probes. ACS Med Chem Lett 2014; 5:468-73. [PMID: 24900863 DOI: 10.1021/ml400468x] [Citation(s) in RCA: 21] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/15/2013] [Accepted: 02/20/2014] [Indexed: 02/08/2023] Open
Abstract
The aim of this study was the synthesis and pharmacokinetic selection of a best melanin-targeting ligand for addressing anticancer agents to pigmented melanoma. Seven quinoxaline carboxamide derivatives were synthesized and radiolabeled with iodine-125. Biodistribution studies of compounds [ (125) I]1a-g performed in melanoma-bearing mice tumor showed significant tumor uptake (range 2.43-5.68%ID/g) within 1 h after i.v. injection. Fast clearance of the radioactivity from the nontarget organs mainly via the urinary system gave high tumor-to-blood and tumor-to-muscle ratios. Given its favorable clearance and high tumor-melanoma uptake at 72 h, amide 1d was the most promising melanoma-targeting ligand in this series. Compound 1d will be used as building block for the design of new melanoma-selective drug delivery systems.
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Affiliation(s)
- Radhia El Aissi
- INSERM−Université d’Auvergne, UMR 990, IMTV, BP 184, F-63005 Clermont-Ferrand Cedex, France
- Clermont Université, Université d’Auvergne,
Imagerie Moléculaire et Thérapie Vectorisée, BP 10448, F-63005 Clermont-Ferrand Cedex, France
| | - Jianrong Liu
- INSERM−Université d’Auvergne, UMR 990, IMTV, BP 184, F-63005 Clermont-Ferrand Cedex, France
- Clermont Université, Université d’Auvergne,
Imagerie Moléculaire et Thérapie Vectorisée, BP 10448, F-63005 Clermont-Ferrand Cedex, France
| | - Sophie Besse
- INSERM−Université d’Auvergne, UMR 990, IMTV, BP 184, F-63005 Clermont-Ferrand Cedex, France
- Clermont Université, Université d’Auvergne,
Imagerie Moléculaire et Thérapie Vectorisée, BP 10448, F-63005 Clermont-Ferrand Cedex, France
| | - Damien Canitrot
- INSERM−Université d’Auvergne, UMR 990, IMTV, BP 184, F-63005 Clermont-Ferrand Cedex, France
- Clermont Université, Université d’Auvergne,
Imagerie Moléculaire et Thérapie Vectorisée, BP 10448, F-63005 Clermont-Ferrand Cedex, France
| | - Olivier Chavignon
- INSERM−Université d’Auvergne, UMR 990, IMTV, BP 184, F-63005 Clermont-Ferrand Cedex, France
- Clermont Université, Université d’Auvergne,
Imagerie Moléculaire et Thérapie Vectorisée, BP 10448, F-63005 Clermont-Ferrand Cedex, France
| | - Jean-Michel Chezal
- INSERM−Université d’Auvergne, UMR 990, IMTV, BP 184, F-63005 Clermont-Ferrand Cedex, France
- Clermont Université, Université d’Auvergne,
Imagerie Moléculaire et Thérapie Vectorisée, BP 10448, F-63005 Clermont-Ferrand Cedex, France
| | - Elisabeth Miot-Noirault
- INSERM−Université d’Auvergne, UMR 990, IMTV, BP 184, F-63005 Clermont-Ferrand Cedex, France
- Clermont Université, Université d’Auvergne,
Imagerie Moléculaire et Thérapie Vectorisée, BP 10448, F-63005 Clermont-Ferrand Cedex, France
| | - Emmanuel Moreau
- INSERM−Université d’Auvergne, UMR 990, IMTV, BP 184, F-63005 Clermont-Ferrand Cedex, France
- Clermont Université, Université d’Auvergne,
Imagerie Moléculaire et Thérapie Vectorisée, BP 10448, F-63005 Clermont-Ferrand Cedex, France
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Evaluation of two (125)I-radiolabeled acridine derivatives for Auger-electron radionuclide therapy of melanoma. Invest New Drugs 2014; 32:587-97. [PMID: 24691673 DOI: 10.1007/s10637-014-0086-5] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/28/2014] [Accepted: 03/05/2014] [Indexed: 12/26/2022]
Abstract
We previously selected two melanin-targeting radioligands [(125)I]ICF01035 and [(125)I]ICF01040 for melanoma-targeted (125)I radionuclide therapy according to their pharmacological profile in mice bearing B16F0 tumors. Here we demonstrate in vitro that these compounds present different radiotoxicities in relation to melanin and acidic vesicle contents in B16F0, B16F0 PTU and A375 cell lines. ICF01035 is effectively observed in nuclei of achromic (A375) melanoma or in melanosomes of melanized melanoma (B16F0), while ICF01040 stays in cytoplasmic vesicles in both cells. [(125)I]ICF01035 induced a similar survival fraction (A50) in all cell lines and led to a significant decrease in S-phase cells in amelanotic cell lines. [(125)I]ICF01040 induced a higher A50 in B16 cell lines compared to [(125)I]ICF01035 ones. [(125)I]ICF01040 induced a G2/M blockade in both A375 and B16F0 PTU, associated with its presence in cytoplasmic acidic vesicles. These results suggest that the radiotoxicity of [(125)I]ICF01035 and [(125)I]ICF01040 are not exclusively reliant on DNA alterations compatible with γ rays but likely result from local dose deposition (Auger electrons) leading to toxic compound leaks from acidic vesicles. In vivo, [(125)I]ICF01035 significantly reduced the number of B16F0 lung colonies, enabling a significant increase in survival of the treated mice. Targeting melanosomes or acidic vesicles is thus an option for future melanoma therapy.
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Cornelissen B. Imaging the inside of a tumour: a review of radionuclide imaging and theranostics targeting intracellular epitopes. J Labelled Comp Radiopharm 2014; 57:310-6. [PMID: 24395330 DOI: 10.1002/jlcr.3152] [Citation(s) in RCA: 24] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/04/2013] [Accepted: 10/29/2013] [Indexed: 12/31/2022]
Abstract
Molecular imaging of tumour tissue focusses mainly on extracellular epitopes such as tumour angiogenesis or signal transduction receptors expressed on the cell membrane. However, most biological processes that define tumour phenotype occur within the cell. In this mini-review, an overview is given of the various techniques to interrogate intracellular events using molecular imaging with radiolabelled compounds. Additionally, similar targeting techniques can be employed for radionuclide therapy using Auger electron emitters, and recent advances in Auger electron therapy are discussed.
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Affiliation(s)
- Bart Cornelissen
- MRC/CRUK Gray Institute for Radiation Oncology and Biology, Department of Oncology, University of Oxford, UK
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14
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Small molecule modulators of aggregation in synthetic melanin polymerizations. Bioorg Med Chem Lett 2012; 22:5503-7. [PMID: 22835871 DOI: 10.1016/j.bmcl.2012.07.027] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/31/2012] [Revised: 07/06/2012] [Accepted: 07/06/2012] [Indexed: 11/23/2022]
Abstract
There are numerous potential applications for melanin-binding compounds, and new methods are of interest to identify melanin-binding agents. A portion of the polymerization to eumelanin, the black to brown pigment in humans, is thought to be supramolecular aggregation of nanoparticles derived from dihydroxyindoles. Starting with chloroquine, a known eumelanin-binding compound, the ability of small molecules to influence aggregation in synthetic eumelanin polymerizations was investigated. Twenty-eight compounds were tested, including pharmaceuticals, dyes, aromatics, and amines. Compounds that either accelerate or delay the appearance of macroscopic particles in synthetic eumelanin polymerizations were uncovered.
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Sedlacek O, Hruby M, Studenovsky M, Kucka J, Vetvicka D, Kovar L, Rihova B, Ulbrich K. Ellipticine-Aimed Polymer-Conjugated Auger Electron Emitter: Multistage Organelle Targeting Approach. Bioconjug Chem 2011; 22:1194-201. [DOI: 10.1021/bc200064v] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Affiliation(s)
- Ondrej Sedlacek
- Institute of Macromolecular Chemistry AS CR, v.v.i., Heyrovsky Sq. 2, 162 06 Prague 6, Czech Republic
| | - Martin Hruby
- Institute of Macromolecular Chemistry AS CR, v.v.i., Heyrovsky Sq. 2, 162 06 Prague 6, Czech Republic
| | - Martin Studenovsky
- Institute of Macromolecular Chemistry AS CR, v.v.i., Heyrovsky Sq. 2, 162 06 Prague 6, Czech Republic
| | - Jan Kucka
- Institute of Macromolecular Chemistry AS CR, v.v.i., Heyrovsky Sq. 2, 162 06 Prague 6, Czech Republic
| | - David Vetvicka
- Institute of Microbiology AS CR, v.v.i., Videnska 1083, 142 20 Prague 4, Czech Republic
| | - Lubomir Kovar
- Institute of Microbiology AS CR, v.v.i., Videnska 1083, 142 20 Prague 4, Czech Republic
| | - Blanka Rihova
- Institute of Microbiology AS CR, v.v.i., Videnska 1083, 142 20 Prague 4, Czech Republic
| | - Karel Ulbrich
- Institute of Macromolecular Chemistry AS CR, v.v.i., Heyrovsky Sq. 2, 162 06 Prague 6, Czech Republic
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