1
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Kim J, Thomas SN. Opportunities for Nitric Oxide in Potentiating Cancer Immunotherapy. Pharmacol Rev 2022; 74:1146-1175. [PMID: 36180108 PMCID: PMC9553106 DOI: 10.1124/pharmrev.121.000500] [Citation(s) in RCA: 9] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/21/2021] [Revised: 05/15/2022] [Accepted: 07/05/2022] [Indexed: 11/22/2022] Open
Abstract
Despite nearly 30 years of development and recent highlights of nitric oxide (NO) donors and NO delivery systems in anticancer therapy, the limited understanding of exogenous NO's effects on the immune system has prevented their advancement into clinical use. In particular, the effects of exogenously delivered NO differing from that of endogenous NO has obscured how the potential and functions of NO in anticancer therapy may be estimated and exploited despite the accumulating evidence of NO's cancer therapy-potentiating effects on the immune system. After introducing their fundamentals and characteristics, this review discusses the current mechanistic understanding of NO donors and delivery systems in modulating the immunogenicity of cancer cells as well as the differentiation and functions of innate and adaptive immune cells. Lastly, the potential for the complex modulatory effects of NO with the immune system to be leveraged for therapeutic applications is discussed in the context of recent advancements in the implementation of NO delivery systems for anticancer immunotherapy applications. SIGNIFICANCE STATEMENT: Despite a 30-year history and recent highlights of nitric oxide (NO) donors and delivery systems as anticancer therapeutics, their clinical translation has been limited. Increasing evidence of the complex interactions between NO and the immune system has revealed both the potential and hurdles in their clinical translation. This review summarizes the effects of exogenous NO on cancer and immune cells in vitro and elaborates these effects in the context of recent reports exploiting NO delivery systems in vivo in cancer therapy applications.
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Affiliation(s)
- Jihoon Kim
- Parker H. Petit Institute for Bioengineering and Bioscience (J.K., S.N.T.), George W. Woodruff School of Mechanical Engineering (J.K., S.N.T.), and Wallace H. Coulter Department of Biomedical Engineering (S.N.T.), Georgia Institute of Technology, Atlanta, Georgia; Winship Cancer Institute, Emory University School of Medicine, Atlanta, Georgia (S.N.T.); and Division of Biological Science and Technology, Yonsei University, Wonju, South Korea (J.K.)
| | - Susan N Thomas
- Parker H. Petit Institute for Bioengineering and Bioscience (J.K., S.N.T.), George W. Woodruff School of Mechanical Engineering (J.K., S.N.T.), and Wallace H. Coulter Department of Biomedical Engineering (S.N.T.), Georgia Institute of Technology, Atlanta, Georgia; Winship Cancer Institute, Emory University School of Medicine, Atlanta, Georgia (S.N.T.); and Division of Biological Science and Technology, Yonsei University, Wonju, South Korea (J.K.)
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2
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Aggarwal SC, Khodade VS, Porche S, Pharoah BM, Toscano JP. Photochemical Release of Hydropersulfides. J Org Chem 2022; 87:12644-12652. [PMID: 36084133 DOI: 10.1021/acs.joc.2c01049] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Abstract
Hydropersulfides (RSSH) have received significant interest in the field of redox biology because of their intriguing biochemical properties. However, because RSSH are inherently unstable, their study is challenging, and as a result, the details of their physiological roles remain ill-defined. Herein, we report strategies to release RSSH utilizing photoremovable protecting groups. RSSH protection with the well-established p-hydroxyphenacyl (pHP) photoprotecting group resulted in inefficient RSSH photorelease along with complex chemistry. Therefore, an alternative precursor was examined in which a self-immolative linker was inserted between the pHP group and RSSH, providing nearly quantitative RSSH release following photolysis at 365 nm. Inspired by these results, we also synthesized an analogous precursor derivatized with 7-diethylaminocoumarin (DEACM), a visible light-cleavable photoprotecting group. Photolysis of this precursor at 420 nm led to efficient RSSH release, and in vitro experiments demonstrated intracellular RSSH delivery in breast cancer MCF-7 cells.
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Affiliation(s)
- Sahil C Aggarwal
- Department of Chemistry, Johns Hopkins University, Baltimore, Maryland 21218, United States
| | - Vinayak S Khodade
- Department of Chemistry, Johns Hopkins University, Baltimore, Maryland 21218, United States
| | - Sarah Porche
- Department of Chemistry, Johns Hopkins University, Baltimore, Maryland 21218, United States
| | - Blaze M Pharoah
- Department of Chemistry, Johns Hopkins University, Baltimore, Maryland 21218, United States
| | - John P Toscano
- Department of Chemistry, Johns Hopkins University, Baltimore, Maryland 21218, United States
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3
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Wang P, Lim C. Photolabile Protecting Groups Based on the Excited State Meta Effect: Development and Application. Photochem Photobiol 2022; 99:221-234. [PMID: 35971244 DOI: 10.1111/php.13690] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/16/2022] [Accepted: 08/10/2022] [Indexed: 11/25/2022]
Abstract
This review focuses on utilization of the excited state meta effect (ESME) in the development of photolabile protecting groups (PPGs). Structurally simple ESME-based PPGs for release of various functional groups (such as carbonyl, hydroxyl, carboxyl, amino, and thiol groups) are discussed. Examples that demonstrate the appealing advantages of these new PPGs are provided, including their efficient release of "poor" leaving groups such as hydroxyl or amino group directly instead of in their respective carbonate or carbamate form. Applications of these PPGs in synthesis, release of biologically important molecules, materials science, and biomedical engineering are also described.
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Affiliation(s)
- Pengfei Wang
- Department of Chemistry, University of Alabama at Birmingham, Birmingham, AL, 35294, USA
| | - Chaeeun Lim
- Department of Chemistry, University of Alabama at Birmingham, Birmingham, AL, 35294, USA
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4
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Xu X, Sun M, Luo X, Zhang Z, Su L, Cui L, Zhu Z, Lu X, Wang R, Han F, Qian X, Yang Y. One-electron reduction triggered nitric oxide release for ischemia-reperfusion protection. Free Radic Biol Med 2021; 164:13-19. [PMID: 33418107 DOI: 10.1016/j.freeradbiomed.2020.12.443] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/05/2020] [Revised: 12/23/2020] [Accepted: 12/29/2020] [Indexed: 12/25/2022]
Abstract
Nitric oxide donors (NODs) are indispensable in biological research and disease treatment. NODs had been utilized to treat cardiovascular diseases in clinic and many others are under trial. Thiols are typically required for these donors to release NO. Yet, their mechanism is complex and often lead to resistance. Herein, we reported that N-nitrosated electron-deficient dyes are capable of NO release with one-electron reduction. A fluorophore is generated simultaneously, whose fluorescence is harnessed to monitor the profile of NO release. Through electrochemical and spectral studies, NOD f3 was found to exhibit good biocompatibility and high reduction efficiency and its potentials in cell-protection in oxygen and glucose deprivation (OGD) models were showcased with endothelial cells. This work aims at offering a new approach to design reduction-triggered NOD, which have therapeutic potentials in ischemia-reperfusion.
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Affiliation(s)
- Xiu Xu
- State Key Laboratory of Bioreactor Engineering, Shanghai Key Laboratory of Chemical Biology, School of Pharmacy, East China University of Science and Technology, Shanghai, 200237, China
| | - Meiling Sun
- Key Laboratory of Cardiovascular & Cerebrovascular Medicine, School of Pharmacy, Nanjing Medical University, Nanjing, 211166, China
| | - Xiao Luo
- School of Chemistry and Molecular Engineering, East China Normal University, Dongchuan Road 500, Shanghai, 200241, China
| | - Ziqian Zhang
- Guangxi Scientific Research Center of Traditional Chinese Medicine, Guangxi University of Chinese Medicine, Nanning, 530200, China
| | - Lin Su
- State Key Laboratory of Bioreactor Engineering, Shanghai Key Laboratory of Chemical Biology, School of Pharmacy, East China University of Science and Technology, Shanghai, 200237, China
| | - Lingfei Cui
- School of Chemistry and Molecular Engineering, East China University of Science and Technology, Shanghai, 200237, China
| | - Zhihui Zhu
- Key Laboratory of Cardiovascular & Cerebrovascular Medicine, School of Pharmacy, Nanjing Medical University, Nanjing, 211166, China
| | - Xicun Lu
- State Key Laboratory of Bioreactor Engineering, Shanghai Key Laboratory of Chemical Biology, School of Pharmacy, East China University of Science and Technology, Shanghai, 200237, China
| | - Rui Wang
- State Key Laboratory of Bioreactor Engineering, Shanghai Key Laboratory of Chemical Biology, School of Pharmacy, East China University of Science and Technology, Shanghai, 200237, China
| | - Feng Han
- Key Laboratory of Cardiovascular & Cerebrovascular Medicine, School of Pharmacy, Nanjing Medical University, Nanjing, 211166, China.
| | - Xuhong Qian
- State Key Laboratory of Bioreactor Engineering, Shanghai Key Laboratory of Chemical Biology, School of Pharmacy, East China University of Science and Technology, Shanghai, 200237, China
| | - Youjun Yang
- State Key Laboratory of Bioreactor Engineering, Shanghai Key Laboratory of Chemical Biology, School of Pharmacy, East China University of Science and Technology, Shanghai, 200237, China.
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5
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Duan Y, Wang Y, Li X, Zhang G, Zhang G, Hu J. Light-triggered nitric oxide (NO) release from photoresponsive polymersomes for corneal wound healing. Chem Sci 2020; 11:186-194. [PMID: 32110370 PMCID: PMC7012058 DOI: 10.1039/c9sc04039k] [Citation(s) in RCA: 66] [Impact Index Per Article: 16.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/13/2019] [Accepted: 10/31/2019] [Indexed: 12/25/2022] Open
Abstract
Polymersomes have been extensively used in the delivery of both small and macromolecular payloads. However, the controlled delivery of gaseous therapeutics (e.g., nitric oxide, NO) remains a grand challenge due to its difficulty in loading of gaseous payloads into polymersomes without premature leakage. Herein, NO-releasing vesicles could be fabricated via the self-assembly of NO-releasing amphiphiles, which were synthesized by the direct polymerization of photoresponsive NO monomers (abbreviated as oNBN, pNBN, and BN). These monomers were rationally designed through the integration of the photoresponsive behavior of N-nitrosoamine moieties and the self-immolative chemistry of 4-aminobenzyl alcohol derivatives, which outperformed conventional NO donors such as diazeniumdiolates (NONOates) and S-nitrosothiols (SNOs) in terms of ease of preparation, stability of storage, and controllability of NO release. The unique design made it possible to selectively release NO by a light stimulus and to regulate the NO release rates. Importantly, the photo-mediated NO release could be manipulated in living cells and showed promising applications in the treatment of corneal wounds. In addition to delivering NO, the current design enabled the synergistic delivery of NO and other therapeutic payloads by taking advantage of NO release-mediated traceless crosslinking of the vesicles.
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Affiliation(s)
- Yutian Duan
- CAS Key Laboratory of Soft Matter Chemistry , Hefei National Laboratory for Physical Science at the Microscale , Department of Polymer Science and Engineering , University of Science and Technology of China , Hefei 230026 , Anhui , China .
| | - Yong Wang
- Department of Ophthalmology , The First Affiliated Hospital of Anhui Medical University , Hefei , Anhui 230022 , China
| | - Xiaohu Li
- Department of Radiology , The First Affiliated Hospital of Anhui Medical University , Hefei , Anhui 230022 , China
| | - Guozhen Zhang
- Hefei National Laboratory for Physical Sciences at the Microscale , iChEM (Collaborative Innovation Center of Chemistry for Energy Materials) , University of Science and Technology of China , Hefei , Anhui 230026 , P. R. China
| | - Guoying Zhang
- CAS Key Laboratory of Soft Matter Chemistry , Hefei National Laboratory for Physical Science at the Microscale , Department of Polymer Science and Engineering , University of Science and Technology of China , Hefei 230026 , Anhui , China .
| | - Jinming Hu
- CAS Key Laboratory of Soft Matter Chemistry , Hefei National Laboratory for Physical Science at the Microscale , Department of Polymer Science and Engineering , University of Science and Technology of China , Hefei 230026 , Anhui , China .
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6
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Hibbard HA, Reynolds MM. Synthesis of novel nitroreductase enzyme-activated nitric oxide prodrugs to site-specifically kill bacteria. Bioorg Chem 2019; 93:103318. [DOI: 10.1016/j.bioorg.2019.103318] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/11/2019] [Revised: 09/18/2019] [Accepted: 09/26/2019] [Indexed: 02/06/2023]
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7
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Combination of PDT and NOPDT with a Tailored BODIPY Derivative. Antioxidants (Basel) 2019; 8:antiox8110531. [PMID: 31703295 PMCID: PMC6912809 DOI: 10.3390/antiox8110531] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/09/2019] [Revised: 10/30/2019] [Accepted: 11/05/2019] [Indexed: 12/12/2022] Open
Abstract
The engineering of photosensitizers (PS) for photodynamic therapy (PDT) with nitric oxide (NO) photodonors (NOPD) is broadening the horizons for new and yet to be fully explored unconventional anticancer treatment modalities that are entirely controlled by light stimuli. In this work, we report a tailored boron-dipyrromethene (BODIPY) derivative that acts as a PS and a NOPD simultaneously upon single photon excitation with highly biocompatible green light. The photogeneration of the two key species for PDT and NOPDT, singlet oxygen (1O2) and NO, has been demonstrated by their direct detection, while the formation of NO is shown not to be dependent on the presence of oxygen. Biological studies carried out using A375 and SKMEL28 cancer cell lines, with the aid of suitable model compounds that are based on the same BODIPY light harvesting core, unambiguously reveal the combined action of 1O2 and NO in inducing amplified cancer cell mortality exclusively under irradiation with visible green light.
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8
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Hibbard HAJ, Reynolds MM. Fluorescent nitric oxide donor for the detection and killing of Pseudomonas aeruginosa. J Mater Chem B 2019; 7:2009-2018. [PMID: 32254805 DOI: 10.1039/c8tb02552e] [Citation(s) in RCA: 18] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/20/2023]
Abstract
The epidemic of multidrug-resistant bacteria calls for the improvement of both detection methods for bacterial infections and methods of treatment. Nitric oxide is a known potent antibacterial agent, but due to its gaseous and highly reactive nature, it is difficult to incorporate into a stable antibacterial compound. In this paper, we synthesize a nitric oxide donor attached to a fluorescent compound, creating a material that can both detect and kill the deadly multi-drug resistant bacteria strain Pseudomonas aeruginosa. Detection occurs through a bacterial enzyme-activated color change, showing a clear and obvious change from blue to yellow under UV light. The synthesized compound spontaneously releases 853 μmol of nitric oxide/g from a 10 mM initial concentration. Antibacterial efficacy studies after exposing Pseudomonas aeruginosa to a 10 mM dose of the synthesized compound show a 55-75% reduction in bacteria after 24 hours. This work is the first instance of a small molecule dual-function material that can both detect and kill bacteria.
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Affiliation(s)
- Hailey A J Hibbard
- Department of Chemistry, Colorado State University, Fort Collins, CO 80523, USA.
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9
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Light-triggered release of photocaged therapeutics - Where are we now? J Control Release 2019; 298:154-176. [PMID: 30742854 DOI: 10.1016/j.jconrel.2019.02.006] [Citation(s) in RCA: 100] [Impact Index Per Article: 20.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/17/2018] [Revised: 02/04/2019] [Accepted: 02/06/2019] [Indexed: 01/02/2023]
Abstract
The current available therapeutics face several challenges such as the development of ideal drug delivery systems towards the goal of personalized treatments for patients benefit. The application of light as an exogenous activation mechanism has shown promising outcomes, owning to the spatiotemporal confinement of the treatment in the vicinity of the diseased tissue, which offers many intriguing possibilities. Engineering therapeutics with light responsive moieties have been explored to enhance the bioavailability, and drug efficacy either in vitro or in vivo. The tailor-made character turns the so-called photocaged compounds highly desirable to reduce the side effects of drugs and, therefore, have received wide research attention. Herein, we seek to highlight the potential of photocaged compounds to obtain a clear understanding of the mechanisms behind its use in therapeutic delivery. A deep overview on the progress achieved in the design, fabrication as well as current and possible future applications in therapeutics of photocaged compounds is provided, so that novel formulations for biomedical field can be designed.
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10
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He H, Liu Y, Zhou Z, Guo C, Wang HY, Wang Z, Wang X, Zhang Z, Wu FG, Wang H, Chen D, Yang D, Liang X, Chen J, Zhou S, Liang X, Qian X, Yang Y. A Photo-triggered and photo-calibrated nitric oxide donor: Rational design, spectral characterizations, and biological applications. Free Radic Biol Med 2018; 123:1-7. [PMID: 29709704 DOI: 10.1016/j.freeradbiomed.2018.04.563] [Citation(s) in RCA: 23] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/31/2018] [Revised: 03/29/2018] [Accepted: 04/19/2018] [Indexed: 12/17/2022]
Abstract
Nitric oxide (NO) donors are valuable tools to probe the profound implications of NO in health and disease. The elusive nature of NO bio-relevance has largely limited the use of spontaneous NO donors and promoted the development of next generation NO donors, whose NO release is not only stimulated by a trigger, but also readily monitored via a judiciously built-in self-calibration mechanism. Light is without a doubt the most sensitive, versatile and biocompatible method of choice for both triggering and monitoring, for applications in complex biological matrices. Herein, we designed and synthesized an N-nitroso rhodamine derivative (NOD560) as a photo-triggered and photo-calibrated NO donor to address this need. NOD560 is essentially non-fluorescent. Upon irradiation by green light (532 nm), it efficiently release NO and a rhodamine dye, the dramatic fluorescence turn-on from which could be harnessed to conveniently monitor the localization, flux, and dose of NO release. The potentials of NOD560 for in vitro biological applications were also exemplified in in vitro biological models, i.e. mesenchymal stem cell (MSC) migration suppression. NOD560 is expected to complement the existing NO donors and find widespread applications in chemical biological studies.
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Affiliation(s)
- Haihong He
- State Key Laboratory of Bioreactor Engineering, Shanghai Key Laboratory of Chemical Biology, School of Pharmacy, Shanghai Key Laboratory of New Drug Design, School of Pharmacy, East China University of Science and Technology, Shanghai 200237, China
| | - Yuxin Liu
- School of Environment and Biological Engineering, Nanjing University of Science and Technology, Nanjing, Jiangsu 210094, China
| | - Zhongneng Zhou
- State Key Laboratory of Precision Spectroscopy, East China Normal University, Shanghai 200062, China
| | - Chunlei Guo
- State Key Laboratory of Bioreactor Engineering, Shanghai Key Laboratory of Chemical Biology, School of Pharmacy, Shanghai Key Laboratory of New Drug Design, School of Pharmacy, East China University of Science and Technology, Shanghai 200237, China
| | - Hong-Yin Wang
- State Key Laboratory of Bioelectronics, School of Biological Science and Medical Engineering, Southeast University, Nanjing, Jiangsu 210096, China
| | - Zhuang Wang
- State Key Laboratory of Bioreactor Engineering, Shanghai Key Laboratory of Chemical Biology, School of Pharmacy, Shanghai Key Laboratory of New Drug Design, School of Pharmacy, East China University of Science and Technology, Shanghai 200237, China
| | - Xueli Wang
- State Key Laboratory of Precision Spectroscopy, East China Normal University, Shanghai 200062, China
| | - Ziqian Zhang
- Guangxi Scientific Research Center of Traditional Chinese Medicine, Guangxi University of Chinese Medicine, Nanning, Guangxi 530200, China
| | - Fu-Gen Wu
- State Key Laboratory of Bioelectronics, School of Biological Science and Medical Engineering, Southeast University, Nanjing, Jiangsu 210096, China
| | - Haolu Wang
- Therapeutics Research Centre, The University of Queensland Diamantina Institute, The University of Queensland, Translational Research Institute, Woolloongabba QLD 4102, Australia
| | - Daijie Chen
- School of Pharmacy, Shanghai Jiao Tong University, Shanghai 200240, China
| | - Dahai Yang
- State Key Laboratory of Bioreactor Engineering, Shanghai Key Laboratory of Chemical Biology, School of Pharmacy, Shanghai Key Laboratory of New Drug Design, School of Pharmacy, East China University of Science and Technology, Shanghai 200237, China
| | - Xiaowen Liang
- Therapeutics Research Centre, The University of Queensland Diamantina Institute, The University of Queensland, Translational Research Institute, Woolloongabba QLD 4102, Australia.
| | - Jinquan Chen
- State Key Laboratory of Precision Spectroscopy, East China Normal University, Shanghai 200062, China.
| | - Shengmin Zhou
- State Key Laboratory of Bioreactor Engineering, Shanghai Key Laboratory of Chemical Biology, School of Pharmacy, Shanghai Key Laboratory of New Drug Design, School of Pharmacy, East China University of Science and Technology, Shanghai 200237, China.
| | - Xin Liang
- State Key Laboratory of Bioreactor Engineering, Shanghai Key Laboratory of Chemical Biology, School of Pharmacy, Shanghai Key Laboratory of New Drug Design, School of Pharmacy, East China University of Science and Technology, Shanghai 200237, China.
| | - Xuhong Qian
- State Key Laboratory of Bioreactor Engineering, Shanghai Key Laboratory of Chemical Biology, School of Pharmacy, Shanghai Key Laboratory of New Drug Design, School of Pharmacy, East China University of Science and Technology, Shanghai 200237, China
| | - Youjun Yang
- State Key Laboratory of Bioreactor Engineering, Shanghai Key Laboratory of Chemical Biology, School of Pharmacy, Shanghai Key Laboratory of New Drug Design, School of Pharmacy, East China University of Science and Technology, Shanghai 200237, China.
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11
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Ravikumar G, Bagheri M, Saini DK, Chakrapani H. A small molecule for theraNOstic targeting of cancer cells. Chem Commun (Camb) 2018; 53:13352-13355. [PMID: 29192700 DOI: 10.1039/c7cc08526e] [Citation(s) in RCA: 15] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Abstract
Thera/NO - a small molecule that is activated by hydrogen peroxide to generate nitric oxide (NO) and a fluorescence signal is reported. Using cancer and primary cells, we show that Thera/NO preferentially releases NO in cancer cells, which can trigger DNA damage and cell death in them. The coupled fluorescence signal facilitated tracking the NO release in living cells without collateral consumption of NO.
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Affiliation(s)
- Govindan Ravikumar
- Department of Chemistry, Indian Institute of Science Education and Research, Pune, India.
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12
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Ghogare AA, Debaz CJ, Silva Oliveira M, Abramova I, Mohapatra PP, Kwon K, Greer EM, Prado FM, Valerio HP, Di Mascio P, Greer A. Experimental and DFT Computational Insight into Nitrosamine Photochemistry—Oxygen Matters. J Phys Chem A 2017; 121:5954-5966. [DOI: 10.1021/acs.jpca.7b02414] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Affiliation(s)
- Ashwini A. Ghogare
- Department
of Chemistry, Brooklyn College, 2900 Bedford Avenue, Brooklyn, New York 11210, United States
- Ph.D.
Program in Chemistry, The Graduate Center of the City University of New York, 365 Fifth Avenue, New York, New York 10016, United States
| | - Ciro J. Debaz
- Department
of Chemistry, Brooklyn College, 2900 Bedford Avenue, Brooklyn, New York 11210, United States
| | - Marilene Silva Oliveira
- Department
of Chemistry, Brooklyn College, 2900 Bedford Avenue, Brooklyn, New York 11210, United States
- Departamento
de Bioquímica, Instituto de Química, Universidade de São Paulo, CEP, 05508-000 São Paulo, Brazil
| | - Inna Abramova
- Department
of Chemistry, Brooklyn College, 2900 Bedford Avenue, Brooklyn, New York 11210, United States
| | - Prabhu P. Mohapatra
- Department
of Chemistry, Brooklyn College, 2900 Bedford Avenue, Brooklyn, New York 11210, United States
| | - Kitae Kwon
- Department
of Natural Sciences, Baruch College, City University of New York, New York 10010, United States
| | - Edyta M. Greer
- Department
of Natural Sciences, Baruch College, City University of New York, New York 10010, United States
| | - Fernanda Manso Prado
- Departamento
de Bioquímica, Instituto de Química, Universidade de São Paulo, CEP, 05508-000 São Paulo, Brazil
| | - Hellen Paula Valerio
- Departamento
de Bioquímica, Instituto de Química, Universidade de São Paulo, CEP, 05508-000 São Paulo, Brazil
| | - Paolo Di Mascio
- Departamento
de Bioquímica, Instituto de Química, Universidade de São Paulo, CEP, 05508-000 São Paulo, Brazil
| | - Alexander Greer
- Department
of Chemistry, Brooklyn College, 2900 Bedford Avenue, Brooklyn, New York 11210, United States
- Ph.D.
Program in Chemistry, The Graduate Center of the City University of New York, 365 Fifth Avenue, New York, New York 10016, United States
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13
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Ding X, Wang P. Photochemical Cleavage of Benzylic C–O Bond Facilitated by an Ortho or Meta Amino Group. J Org Chem 2017. [DOI: 10.1021/acs.joc.7b00927] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Affiliation(s)
- Xiong Ding
- Department of Chemistry, University of Alabama at Birmingham, 901 14th Street South, Birmingham, Alabama 35294, United States
| | - Pengfei Wang
- Department of Chemistry, University of Alabama at Birmingham, 901 14th Street South, Birmingham, Alabama 35294, United States
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14
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Wang P. Developing photolabile protecting groups based on the excited state meta effect. J Photochem Photobiol A Chem 2017. [DOI: 10.1016/j.jphotochem.2016.11.031] [Citation(s) in RCA: 15] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022]
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15
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Behara KK, Rajesh Y, Venkatesh Y, Pinninti BR, Mandal M, Singh NDP. Cascade photocaging of diazeniumdiolate: a novel strategy for one and two photon triggered uncaging with real time reporting. Chem Commun (Camb) 2017; 53:9470-9473. [DOI: 10.1039/c7cc04635a] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
We report a new strategy, viz. cascade photocaging, for protecting diethylamine diazeniumdiolate (O2-position), a light sensitive molecule.
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Affiliation(s)
| | - Y. Rajesh
- School of Medical Science and Technology
- Indian Institute of Technology (IIT) Kharagpur
- Kharagpur-721302
- India
| | - Yarra Venkatesh
- Department of Chemistry
- Indian Institute of Technology Kharagpur
- Kharagpur-721302
- India
| | - Bhaskar Rao Pinninti
- Department of Chemistry
- Indian Institute of Technology Kharagpur
- Kharagpur-721302
- India
| | - Mahitosh Mandal
- School of Medical Science and Technology
- Indian Institute of Technology (IIT) Kharagpur
- Kharagpur-721302
- India
| | - N. D. Pradeep Singh
- Department of Chemistry
- Indian Institute of Technology Kharagpur
- Kharagpur-721302
- India
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16
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Luo X, Wu J, Lv T, Lai Y, Zhang H, Lu JJ, Zhang Y, Huang Z. Synthesis and evaluation of novel O2-derived diazeniumdiolates as photochemical and real-time monitoring nitric oxide delivery agents. Org Chem Front 2017. [DOI: 10.1039/c7qo00695k] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/19/2022]
Abstract
3, a new photochemical theranostic agent, wherein light-triggered nitric oxide release can be controlled and real-time monitored at the cellular level.
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Affiliation(s)
- Xiaojun Luo
- State Key Laboratory of Natural Medicines
- Jiangsu Key Laboratory of Drug Discovery for Metabolic Diseases
- Jiangsu Key Laboratory of Drug Screening
- China Pharmaceutical University
- Nanjing 210009
| | - Jianbing Wu
- State Key Laboratory of Natural Medicines
- Jiangsu Key Laboratory of Drug Discovery for Metabolic Diseases
- Jiangsu Key Laboratory of Drug Screening
- China Pharmaceutical University
- Nanjing 210009
| | - Tian Lv
- State Key Laboratory of Natural Medicines
- Jiangsu Key Laboratory of Drug Discovery for Metabolic Diseases
- Jiangsu Key Laboratory of Drug Screening
- China Pharmaceutical University
- Nanjing 210009
| | - Yisheng Lai
- State Key Laboratory of Natural Medicines
- Jiangsu Key Laboratory of Drug Discovery for Metabolic Diseases
- Jiangsu Key Laboratory of Drug Screening
- China Pharmaceutical University
- Nanjing 210009
| | - Honghua Zhang
- Foreign Languages Department
- China Pharmaceutical University
- Nanjing 210009
- PR China
| | - Jin-Jian Lu
- State Key Laboratory of Quality Research in Chinese Medicine
- Institute of Chinese Medical Sciences
- University of Macau
- Macao
- China
| | - Yihua Zhang
- State Key Laboratory of Natural Medicines
- Jiangsu Key Laboratory of Drug Discovery for Metabolic Diseases
- Jiangsu Key Laboratory of Drug Screening
- China Pharmaceutical University
- Nanjing 210009
| | - Zhangjian Huang
- State Key Laboratory of Natural Medicines
- Jiangsu Key Laboratory of Drug Discovery for Metabolic Diseases
- Jiangsu Key Laboratory of Drug Screening
- China Pharmaceutical University
- Nanjing 210009
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17
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Ding X, Devalankar DA, Wang P. Structurally Simple Benzylidene-Type Photolabile Diol Protecting Groups. Org Lett 2016; 18:5396-5399. [DOI: 10.1021/acs.orglett.6b02777] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Affiliation(s)
- Xiong Ding
- Department of Chemistry, University of Alabama at Birmingham, Birmingham, Alabama 35294, United States
| | - Dattatray A. Devalankar
- Department of Chemistry, University of Alabama at Birmingham, Birmingham, Alabama 35294, United States
| | - Pengfei Wang
- Department of Chemistry, University of Alabama at Birmingham, Birmingham, Alabama 35294, United States
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18
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Zhang Z, Wu J, Shang Z, Wang C, Cheng J, Qian X, Xiao Y, Xu Z, Yang Y. Photocalibrated NO Release from N-Nitrosated Napthalimides upon One-Photon or Two-Photon Irradiation. Anal Chem 2016; 88:7274-80. [DOI: 10.1021/acs.analchem.6b01603] [Citation(s) in RCA: 48] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/22/2022]
Affiliation(s)
| | | | | | - Chao Wang
- State
Key Laboratory of Fine Chemicals, Dalian University of Technology, Dalian, Liaoning 116024, China
| | | | | | - Yi Xiao
- State
Key Laboratory of Fine Chemicals, Dalian University of Technology, Dalian, Liaoning 116024, China
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19
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Denning DM, Pedowitz NJ, Thum MD, Falvey DE. Uncaging Alcohols Using UV or Visible Light Photoinduced Electron Transfer to 9-Phenyl-9-tritylone Ethers. Org Lett 2015; 17:5986-9. [DOI: 10.1021/acs.orglett.5b02924] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/16/2023]
Affiliation(s)
- Derek M. Denning
- Department of Chemistry and
Biochemistry, University of Maryland, College Park, Maryland 20742, United States
| | - Nichole J. Pedowitz
- Department of Chemistry and
Biochemistry, University of Maryland, College Park, Maryland 20742, United States
| | - Matthew D. Thum
- Department of Chemistry and
Biochemistry, University of Maryland, College Park, Maryland 20742, United States
| | - Daniel E. Falvey
- Department of Chemistry and
Biochemistry, University of Maryland, College Park, Maryland 20742, United States
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20
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Oliveira MS, Ghogare AA, Abramova I, Greer EM, Prado FM, Di Mascio P, Greer A. Mechanism of Photochemical O-Atom Exchange in Nitrosamines with Molecular Oxygen. J Org Chem 2015; 80:6119-27. [PMID: 26000876 DOI: 10.1021/acs.joc.5b00633] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Abstract
The detection of an oxygen-atom photoexchange process of N-nitrosamines is reported. The photolysis of four nitrosamines (N-nitrosodiphenylamine 1, N-nitroso-N-methylaniline 2, N-butyl-N-(4-hydroxybutyl)nitrosamine 3, and N-nitrosodiethylamine 4) with ultraviolet light was examined in an (18)O2-enriched atmosphere in solution. HPLC/MS and HPLC-MS/MS data show that (18)O-labeled nitrosamines were generated for 1 and 2. In contrast, nitrosamines 3 and 4 do not exchange the (18)O label and instead decomposed to amines and/or imines under the conditions. For 1 and 2, the (18)O atom was found not to be introduced by moisture or by singlet oxygen [(18)((1)O2 (1)Δg)] produced thermally by (18)O-(18)O labeled endoperoxide of N,N'-di(2,3-hydroxypropyl)-1,4-naphthalene dipropanamide (DHPN(18)O2) or by visible-light sensitization. A density functional theory study of the structures and energetics of peroxy intermediates arising from reaction of nitrosamines with O2 is also presented. A reversible head-to-tail dimerization of the O-nitrooxide to the 1,2,3,5,6,7-hexaoxadiazocane (30 kcal/mol barrier) with extrusion of O═(18)O accounts for exchange of the oxygen atom label. The unimolecular cyclization of O-nitrooxide to 1,2,3,4-trioxazetidine (46 kcal/mol barrier) followed by a retro [2 + 2] reaction is an alternative, but higher energy process. Both pathways would require the photoexcitation of the nitrooxide.
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Affiliation(s)
- Marilene Silva Oliveira
- †Departamento de Bioquímica, Instituto de Química, Universidade de São Paulo, CEP 05508-000, São Paulo, Brazil.,‡Department of Chemistry and Graduate Center, Brooklyn College, City University of New York, Brooklyn, New York 11210, United States
| | - Ashwini A Ghogare
- ‡Department of Chemistry and Graduate Center, Brooklyn College, City University of New York, Brooklyn, New York 11210, United States
| | - Inna Abramova
- ‡Department of Chemistry and Graduate Center, Brooklyn College, City University of New York, Brooklyn, New York 11210, United States
| | - Edyta M Greer
- §Department of Natural Sciences, Baruch College, City University of New York, New York, New York 10010, United States
| | - Fernanda Manso Prado
- †Departamento de Bioquímica, Instituto de Química, Universidade de São Paulo, CEP 05508-000, São Paulo, Brazil
| | - Paolo Di Mascio
- †Departamento de Bioquímica, Instituto de Química, Universidade de São Paulo, CEP 05508-000, São Paulo, Brazil
| | - Alexander Greer
- ‡Department of Chemistry and Graduate Center, Brooklyn College, City University of New York, Brooklyn, New York 11210, United States
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21
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Wang P, Lu W, Devalankar DA, Ding Z. Structurally Simple Benzyl-Type Photolabile Protecting Groups for Direct Release of Alcohols and Carboxylic Acids. Org Lett 2015; 17:2114-7. [DOI: 10.1021/acs.orglett.5b00699] [Citation(s) in RCA: 21] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/16/2023]
Affiliation(s)
- Pengfei Wang
- Department of Chemistry, University of Alabama at Birmingham, Birmingham, Alabama 35294, United States
| | - Wenya Lu
- Department of Chemistry, University of Alabama at Birmingham, Birmingham, Alabama 35294, United States
| | - Dattatray A. Devalankar
- Department of Chemistry, University of Alabama at Birmingham, Birmingham, Alabama 35294, United States
| | - Zhenying Ding
- Department of Chemistry, University of Alabama at Birmingham, Birmingham, Alabama 35294, United States
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22
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Kim J, Saravanakumar G, Choi HW, Park D, Kim WJ. A platform for nitric oxide delivery. J Mater Chem B 2014; 2:341-356. [DOI: 10.1039/c3tb21259a] [Citation(s) in RCA: 119] [Impact Index Per Article: 11.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/23/2022]
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23
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Perrotta RR, Winter AH, Falvey DE. Photochemical Heterolysis of 3,5-Bis(dimethylamino)benzyl Alcohols and Esters: Generation of a Benzyl Cation with a Low-Energy Triplet State. Org Lett 2010; 13:212-5. [DOI: 10.1021/ol102606m] [Citation(s) in RCA: 20] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/04/2023]
Affiliation(s)
- Raffaele R. Perrotta
- Department of Chemistry and Biochemistry, University of Maryland, College Park, Maryland 20742-2021, United States
| | - Arthur H. Winter
- Department of Chemistry and Biochemistry, University of Maryland, College Park, Maryland 20742-2021, United States
| | - Daniel E. Falvey
- Department of Chemistry and Biochemistry, University of Maryland, College Park, Maryland 20742-2021, United States
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24
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Bedell BJ, Bohle DS, Chua Z, Czerniewski A, Evans AC, Mzengeza S. Novel β-galactosidase-specific O2-glycosylated diazeniumdiolate probes. CAN J CHEM 2010. [DOI: 10.1139/v10-087] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
Abstract
Three β-galactosidase-specific nitric-oxide-releasing diazeniumdiolate conjugated probes were prepared as a prelude to studies of new potential molecular MRI imaging agents. A glycosylated derivative, 2e, designed to be trafficked across cell membranes, was also prepared. We report, in detail, the synthesis and characterization of these probes. In addition, the release of diazeniumdiolate from the probes by β-galactosidase-catalyzed hydrolysis was used to estimate their efficacy as serum-stable, specific NO donors.
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Affiliation(s)
- Barry J. Bedell
- McConnell Brain Imaging Centre, Montreal Neurological Institute, McGill University, Montreal, QC H3A 3B4, Canada
- Department of Chemistry, McGill University, 801 Sherbrooke St. W, Montreal, QC H3A 2K6, Canada
- The Great-West Life PET Imaging Centre, University of Manitoba, 715-751 McDermot Avenue, Winnipeg, R3E 3P4, Canada
| | - D. Scott Bohle
- McConnell Brain Imaging Centre, Montreal Neurological Institute, McGill University, Montreal, QC H3A 3B4, Canada
- Department of Chemistry, McGill University, 801 Sherbrooke St. W, Montreal, QC H3A 2K6, Canada
- The Great-West Life PET Imaging Centre, University of Manitoba, 715-751 McDermot Avenue, Winnipeg, R3E 3P4, Canada
| | - Zhijie Chua
- McConnell Brain Imaging Centre, Montreal Neurological Institute, McGill University, Montreal, QC H3A 3B4, Canada
- Department of Chemistry, McGill University, 801 Sherbrooke St. W, Montreal, QC H3A 2K6, Canada
- The Great-West Life PET Imaging Centre, University of Manitoba, 715-751 McDermot Avenue, Winnipeg, R3E 3P4, Canada
| | - Alexander Czerniewski
- McConnell Brain Imaging Centre, Montreal Neurological Institute, McGill University, Montreal, QC H3A 3B4, Canada
- Department of Chemistry, McGill University, 801 Sherbrooke St. W, Montreal, QC H3A 2K6, Canada
- The Great-West Life PET Imaging Centre, University of Manitoba, 715-751 McDermot Avenue, Winnipeg, R3E 3P4, Canada
| | - Alan C. Evans
- McConnell Brain Imaging Centre, Montreal Neurological Institute, McGill University, Montreal, QC H3A 3B4, Canada
- Department of Chemistry, McGill University, 801 Sherbrooke St. W, Montreal, QC H3A 2K6, Canada
- The Great-West Life PET Imaging Centre, University of Manitoba, 715-751 McDermot Avenue, Winnipeg, R3E 3P4, Canada
| | - Shadreck Mzengeza
- McConnell Brain Imaging Centre, Montreal Neurological Institute, McGill University, Montreal, QC H3A 3B4, Canada
- Department of Chemistry, McGill University, 801 Sherbrooke St. W, Montreal, QC H3A 2K6, Canada
- The Great-West Life PET Imaging Centre, University of Manitoba, 715-751 McDermot Avenue, Winnipeg, R3E 3P4, Canada
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25
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Venkata S, Shamo E, Benin V. Preparation and Characterization of Some Substituted Benzyl N-Nitrosocarbamates Containing an N-2-(Methylthio)ethyl or a Bis(2-aminoethyl)sulfide Functionality. SYNTHETIC COMMUN 2009. [DOI: 10.1080/00397910802527755] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/21/2022]
Affiliation(s)
- Satya Venkata
- a Department of Chemistry, University of Dayton , Dayton, Ohio, USA
| | - Eric Shamo
- a Department of Chemistry, University of Dayton , Dayton, Ohio, USA
| | - Vladimir Benin
- a Department of Chemistry, University of Dayton , Dayton, Ohio, USA
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26
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Abstract
A caged molecule is an inert but photosensitive molecule that is transformed by photolysis into a biologically active molecule at high speed (typically 1 msec). The process is referred to as photorelease. The spatial resolution of photorelease is limited by the properties of light; submicrometer resolution is potentially achievable. Therefore, focal photorelease of caged molecules enables one to control biological processes with high spatio-temporal precision. The principles underlying caged molecules as well as practical considerations for their use are discussed in this unit.
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Affiliation(s)
- Joseph P Y Kao
- University of Maryland Biotechnology Institute, Baltimore, Maryland, USA
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27
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Generation of nitric oxide by photolysis of silver hyponitrite in suspension induced by LMCT excitation. INORG CHEM COMMUN 2007. [DOI: 10.1016/j.inoche.2007.07.017] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022]
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28
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Affiliation(s)
- Nahed Sawwan
- Department of Chemistry, Graduate School and University Center and The City University of New York (CUNY), Brooklyn College, Brooklyn, New York 11210, USA
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29
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Konter J, Abuo-Rahma GEDAA, El-Emam A, Lehmann J. Synthesis of Diazen-1-ium-1,2-diolates Monitored by the “NOtizer” Apparatus: Relationship between Formation Rates, Molecular Structure and the Release of Nitric Oxide. European J Org Chem 2007. [DOI: 10.1002/ejoc.200600662] [Citation(s) in RCA: 20] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022]
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30
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Wasylenko WA, Kebede N, Showalter BM, Matsunaga N, Miceli AP, Liu Y, Ryzhkov LR, Hadad CM, Toscano JP. Generation of Oxynitrenes and Confirmation of Their Triplet Ground States. J Am Chem Soc 2006; 128:13142-50. [PMID: 17017794 DOI: 10.1021/ja062712g] [Citation(s) in RCA: 27] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Abstract
New sulfoximine- and phenanthrene-based photochemical precursors to oxynitrenes have been developed. These precursors have been used to examine the chemistry and spectroscopy of oxynitrenes. The first EPR spectra of oxynitrenes are reported and are consistent with their triplet ground states. Additional support for the triplet ground state of oxynitrenes is provided by trapping and reactivity studies, nanosecond time-resolved IR investigations, and computational studies.
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Affiliation(s)
- Walter A Wasylenko
- Department of Chemistry, Johns Hopkins University, 3400 North Charles Street, Baltimore, Maryland 21218, USA
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31
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Szaciłowski K, Macyk W, Drzewiecka-Matuszek A, Brindell M, Stochel G. Bioinorganic photochemistry: frontiers and mechanisms. Chem Rev 2005; 105:2647-94. [PMID: 15941225 DOI: 10.1021/cr030707e] [Citation(s) in RCA: 561] [Impact Index Per Article: 29.5] [Reference Citation Analysis] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/03/2023]
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32
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Pavlos CM, Xu H, Toscano JP. Controlled photochemical release of nitric oxide from O2-substituted diazeniumdiolates. Free Radic Biol Med 2004; 37:745-52. [PMID: 15304250 DOI: 10.1016/j.freeradbiomed.2004.06.010] [Citation(s) in RCA: 21] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/07/2004] [Revised: 05/27/2004] [Accepted: 06/03/2004] [Indexed: 11/16/2022]
Abstract
Diazeniumdiolates are a well-established class of nitric oxide (NO) donors that have been employed in a wide variety of biochemical and pharmacological investigations. To provide a means of targeting NO release, photosensitive precursors to diazeniumdiolates have been developed and are reviewed here. After a brief description of diazeniumdiolate chemistry and the potential uses of photosensitive precursors to NO, three different classes of phototriggered diazeniumdiolates are discussed: 2-nitrobenzyl derivatives, meta-substituted benzyl derivatives, and naphthylmethyl and naphthylallyl derivatives. In addition, the photochemistry of diazeniumdiolate salts themselves is covered.
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Affiliation(s)
- Christopher M Pavlos
- Department of Chemistry, Johns Hopkins University, 3400 N. Charles Street, Baltimore, MD 21218, USA
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33
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Pavlos CM, Cohen AD, D'Sa RA, Sunoj RB, Wasylenko WA, Kapur P, Relyea HA, Kumar NA, Hadad CM, Toscano JP. Photochemistry of 1-(N,N-diethylamino)diazen-1-ium-1,2-diolate: an experimental and computational investigation. J Am Chem Soc 2004; 125:14934-40. [PMID: 14640671 DOI: 10.1021/ja034487y] [Citation(s) in RCA: 10] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Abstract
The aqueous photochemistry of the sodium salt of 1-(N,N-diethylamino)-diazen-1-ium-1,2-diolate (3) has been investigated by both experimental and computational methods. Photolysis results in the formation of the N-nitrosodiethylamine radical anion (5) and nitric oxide (NO) via a triplet excited state. The nitrosamine radical anion either undergoes electron transfer with NO before cage escape to form triplet NO(-) and nitrosamine (minor process) or rapidly dissociates to form an additional molecule of NO and ultimately amine (major process). The production of nitrosamine radical anion 5 upon photolysis of diazeniumdiolate 3 is confirmed by low-temperature EPR spectroscopy. The calculated energetics for the ground and excited states of the parent diazeniumdiolate ion at the CIS and B3LYP levels of theory as well as B3LYP calculations on the fragmentation processes were very effective in rationalizing the observed photodissociation processes.
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Affiliation(s)
- Christopher M Pavlos
- Department of Chemistry, Johns Hopkins University, 3400 North Charles Street, Baltimore, MD 21218, USA
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34
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Kunkely H, Vogler A. Photoredox reaction of iron(III) cupferronate. Release of NO induced by ligand-to-metal charge transfer excitation. Inorganica Chim Acta 2003. [DOI: 10.1016/s0020-1693(02)01462-7] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/27/2022]
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35
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D'Sa RA, Wang Y, Ruane PH, Showalter BM, Saavedra JE, Davies KM, Citro ML, Booth MN, Keefer LK, Toscano JP. Preparation and reactivity of O2-sulfonated diazeniumdiolates. J Org Chem 2003; 68:656-7. [PMID: 12530906 DOI: 10.1021/jo026656n] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Abstract
We report the facile preparation of O2-sulfonated diazeniumdiolates and mechanistic investigation of their reactions with representative nucleophiles. This new class of compounds extends the range of O2-substituted diazeniumdiolates available for potential applications in research and medicine.
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Affiliation(s)
- Raechelle A D'Sa
- Department of Chemistry, Johns Hopkins University, 3400 North Charles Street, Baltimore, Maryland 21218, USA
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36
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Bushan KM, Xu H, Ruane PH, D'Sa RA, Pavlos CM, Smith JA, Celius TC, Toscano JP. Controlled photochemical release of nitric oxide from O(2)-naphthylmethyl- and O(2)-naphthylallyl-substituted diazeniumdiolates. J Am Chem Soc 2002; 124:12640-1. [PMID: 12392393 DOI: 10.1021/ja027957h] [Citation(s) in RCA: 13] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Abstract
The photochemistry of O2-naphthylmethyl- and O2-naphthylallyl-substituted diazeniumdiolates has been investigated. Electron-donating methoxy group substitution is shown to have a significant effect on the observed photochemistry, with the appropriate substitution pattern resulting in efficient diazeniumdiolate photorelease. Observed nitric oxide release rates from these photoprecursors are consistent with those expected for normal thermal dissociation of the diazeniumdiolate in aqueous solutions and show the same pH dependence.
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Affiliation(s)
- K Mani Bushan
- Department of Chemistry, Johns Hopkins University, 3400 North Charles Street, Baltimore, Maryland 21218, USA
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