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Sun N, Cai Y, Yan H, Yang W, Hu Y. Development of a ratiometric fluorescent probe for the detection of peroxynitrite. SPECTROCHIMICA ACTA. PART A, MOLECULAR AND BIOMOLECULAR SPECTROSCOPY 2024; 317:124404. [PMID: 38723465 DOI: 10.1016/j.saa.2024.124404] [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: 01/15/2024] [Revised: 04/24/2024] [Accepted: 05/01/2024] [Indexed: 05/31/2024]
Abstract
Peroxynitrite is one of the important reactive oxygen species in the human body and is closely related to the physiological and pathological processes of many diseases. Therefore, the development of probes to detect peroxynitrite is important for diagnostic and pathologic studies of many diseases. In this work, a ratiometric probe was designed using benzopyran as the recognition site, and the sensitivity and selectivity of the probe were tuned by modification of substituents on benzopyran. Upon reaction with peroxynitrite, the color of the solution changes to the naked eye (from blue to yellow), and the fluorescence changes from red to blue. The probe SJ has the advantages of large Stokes shift (237 nm), fast response (≤10 s), wide linear range, good selectivity, low detection line (21.3 nm), and low cytotoxicity. Probe SJ has been successfully used for bioimaging of endogenous and exogenous peroxynitrite.
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Affiliation(s)
- Ningning Sun
- College of Biotechnology and Pharmaceutical Engineering, Nanjing Tech University, No. 30, South Puzhu Road, Nanjing 211816, China
| | - Yijin Cai
- College of Biotechnology and Pharmaceutical Engineering, Nanjing Tech University, No. 30, South Puzhu Road, Nanjing 211816, China
| | - Haijun Yan
- Jiangsu Provincial Institute of Materia Medica Co., Ltd
| | - Wenge Yang
- College of Biotechnology and Pharmaceutical Engineering, Nanjing Tech University, No. 30, South Puzhu Road, Nanjing 211816, China.
| | - Yonghong Hu
- College of Food Science and Light Industry, Nanjing Tech University, No. 30, South Puzhu Road, Nanjing 211816, China.
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2
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Yang P, Tang AL, Tan S, Wang GY, Huang HY, Niu W, Liu ST, Ge MH, Yang LL, Gao F, Zhou X, Liu LW, Yang S. Recent progress and outlooks in rhodamine-based fluorescent probes for detection and imaging of reactive oxygen, nitrogen, and sulfur species. Talanta 2024; 274:126004. [PMID: 38564824 DOI: 10.1016/j.talanta.2024.126004] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/21/2023] [Revised: 03/19/2024] [Accepted: 03/26/2024] [Indexed: 04/04/2024]
Abstract
Reactive oxygen species (ROS), reactive nitrogen species (RNS), and reactive sulfur species (RSS) serve as vital mediators essential for preserving intracellular redox homeostasis within the human body, thereby possessing significant implications across physiological and pathological domains. Nevertheless, deviations from normal levels of ROS, RNS, and RSS disturb redox homeostasis, leading to detrimental consequences that compromise bodily integrity. This disruption is closely linked to the onset of various human diseases, thereby posing a substantial threat to human health and survival. Small-molecule fluorescent probes exhibit considerable potential as analytical instruments for the monitoring of ROS, RNS, and RSS due to their exceptional sensitivity and selectivity, operational simplicity, non-invasiveness, localization capabilities, and ability to facilitate in situ optical signal generation for real-time dynamic analyte monitoring. Due to their distinctive transition from their spirocyclic form (non-fluorescent) to their ring-opened form (fluorescent), along with their exceptional light stability, broad wavelength range, high fluorescence quantum yield, and high extinction coefficient, rhodamine fluorophores have been extensively employed in the development of fluorescent probes. This review primarily concentrates on the investigation of fluorescent probes utilizing rhodamine dyes for ROS, RNS, and RSS detection from the perspective of different response groups since 2016. The scope of this review encompasses the design of probe structures, elucidation of response mechanisms, and exploration of biological applications.
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Affiliation(s)
- Ping Yang
- National Key Laboratory of Green Pesticide, Key Laboratory of Green Pesticide and Agricultural Bioengineering, Ministry of Education, Center for R&D of Fine Chemicals of Guizhou University, Guiyang, 550025, China
| | - A-Ling Tang
- National Key Laboratory of Green Pesticide, Key Laboratory of Green Pesticide and Agricultural Bioengineering, Ministry of Education, Center for R&D of Fine Chemicals of Guizhou University, Guiyang, 550025, China
| | - Shuai Tan
- National Key Laboratory of Green Pesticide, Key Laboratory of Green Pesticide and Agricultural Bioengineering, Ministry of Education, Center for R&D of Fine Chemicals of Guizhou University, Guiyang, 550025, China
| | - Guang-Ye Wang
- National Key Laboratory of Green Pesticide, Key Laboratory of Green Pesticide and Agricultural Bioengineering, Ministry of Education, Center for R&D of Fine Chemicals of Guizhou University, Guiyang, 550025, China
| | - Hou-Yun Huang
- National Key Laboratory of Green Pesticide, Key Laboratory of Green Pesticide and Agricultural Bioengineering, Ministry of Education, Center for R&D of Fine Chemicals of Guizhou University, Guiyang, 550025, China
| | - Wei Niu
- National Key Laboratory of Green Pesticide, Key Laboratory of Green Pesticide and Agricultural Bioengineering, Ministry of Education, Center for R&D of Fine Chemicals of Guizhou University, Guiyang, 550025, China
| | - Shi-Tao Liu
- National Key Laboratory of Green Pesticide, Key Laboratory of Green Pesticide and Agricultural Bioengineering, Ministry of Education, Center for R&D of Fine Chemicals of Guizhou University, Guiyang, 550025, China
| | - Mei-Hong Ge
- National Key Laboratory of Green Pesticide, Key Laboratory of Green Pesticide and Agricultural Bioengineering, Ministry of Education, Center for R&D of Fine Chemicals of Guizhou University, Guiyang, 550025, China
| | - Lin-Lin Yang
- National Key Laboratory of Green Pesticide, Key Laboratory of Green Pesticide and Agricultural Bioengineering, Ministry of Education, Center for R&D of Fine Chemicals of Guizhou University, Guiyang, 550025, China
| | - Feng Gao
- National Key Laboratory of Green Pesticide, Key Laboratory of Green Pesticide and Agricultural Bioengineering, Ministry of Education, Center for R&D of Fine Chemicals of Guizhou University, Guiyang, 550025, China
| | - Xiang Zhou
- National Key Laboratory of Green Pesticide, Key Laboratory of Green Pesticide and Agricultural Bioengineering, Ministry of Education, Center for R&D of Fine Chemicals of Guizhou University, Guiyang, 550025, China.
| | - Li-Wei Liu
- National Key Laboratory of Green Pesticide, Key Laboratory of Green Pesticide and Agricultural Bioengineering, Ministry of Education, Center for R&D of Fine Chemicals of Guizhou University, Guiyang, 550025, China
| | - Song Yang
- National Key Laboratory of Green Pesticide, Key Laboratory of Green Pesticide and Agricultural Bioengineering, Ministry of Education, Center for R&D of Fine Chemicals of Guizhou University, Guiyang, 550025, China.
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Li S, Mehmood AH, Tang X, Yue T, Dong B. Development of bishydrazide-based fluorescent probes for the imaging of cellular peroxynitrite (ONOO -) during ferroptosis. ANALYTICAL METHODS : ADVANCING METHODS AND APPLICATIONS 2024; 16:1409-1414. [PMID: 38369924 DOI: 10.1039/d4ay00022f] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 02/20/2024]
Abstract
Peroxynitrite (ONOO-) is a critical ROS in living systems, and could induce lipid peroxidation which is the driver of ferroptotic cell death. Therefore, precise and rapid detection of cellular ONOO- is critical for the deep study of the biological functions of ONOO- during ferroptosis. Herein, we developed fluorescent probes (Rh-1, Rh-2 and Rh-3) for the rapid detection of intracellular ONOO- during ferroptosis. These probes used bishydrazide groups as the reactive sites for ONOO-. The response of these probes to ONOO- resulted in the production of the emissive xanthene fluorophore, providing a marked enhancement in the fluorescence intensity at 561 nm. The probe Rh-3 exhibited prominent selectivity and sensitivity towards ONOO-. Bioimaging experiments suggested that Rh-3 could be applied to image exogenous and endogenous ONOO- in living cells. By fluorescence imaging, it was demonstrated that erastin-induced ferroptosis caused increased levels of the endogenous ONOO-, and ferrostatin-1 (Fer-1) and vitamin E (VE) could markedly inhibit the excessive production of ONOO- during ferroptosis in living cells.
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Affiliation(s)
- Shijing Li
- School of Chemistry and Chemical Engineering, University of Jinan, Jinan, Shandong 250022, China.
| | - Abdul Hadi Mehmood
- School of Chemistry and Chemical Engineering, University of Jinan, Jinan, Shandong 250022, China.
| | - Xiaochan Tang
- Shandong Chemical Technology Academy, Qingdao University of Science and Technology (Jinan), Jinan, Shandong, 250014, China.
| | - Tao Yue
- Shandong Chemical Technology Academy, Qingdao University of Science and Technology (Jinan), Jinan, Shandong, 250014, China.
| | - Baoli Dong
- School of Chemistry and Chemical Engineering, University of Jinan, Jinan, Shandong 250022, China.
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4
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Sørensen M, Pershagen G, Thacher JD, Lanki T, Wicki B, Röösli M, Vienneau D, Cantuaria ML, Schmidt JH, Aasvang GM, Al-Kindi S, Osborne MT, Wenzel P, Sastre J, Fleming I, Schulz R, Hahad O, Kuntic M, Zielonka J, Sies H, Grune T, Frenis K, Münzel T, Daiber A. Health position paper and redox perspectives - Disease burden by transportation noise. Redox Biol 2024; 69:102995. [PMID: 38142584 PMCID: PMC10788624 DOI: 10.1016/j.redox.2023.102995] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/09/2023] [Revised: 12/07/2023] [Accepted: 12/10/2023] [Indexed: 12/26/2023] Open
Abstract
Transportation noise is a ubiquitous urban exposure. In 2018, the World Health Organization concluded that chronic exposure to road traffic noise is a risk factor for ischemic heart disease. In contrast, they concluded that the quality of evidence for a link to other diseases was very low to moderate. Since then, several studies on the impact of noise on various diseases have been published. Also, studies investigating the mechanistic pathways underlying noise-induced health effects are emerging. We review the current evidence regarding effects of noise on health and the related disease-mechanisms. Several high-quality cohort studies consistently found road traffic noise to be associated with a higher risk of ischemic heart disease, heart failure, diabetes, and all-cause mortality. Furthermore, recent studies have indicated that road traffic and railway noise may increase the risk of diseases not commonly investigated in an environmental noise context, including breast cancer, dementia, and tinnitus. The harmful effects of noise are related to activation of a physiological stress response and nighttime sleep disturbance. Oxidative stress and inflammation downstream of stress hormone signaling and dysregulated circadian rhythms are identified as major disease-relevant pathomechanistic drivers. We discuss the role of reactive oxygen species and present results from antioxidant interventions. Lastly, we provide an overview of oxidative stress markers and adverse redox processes reported for noise-exposed animals and humans. This position paper summarizes all available epidemiological, clinical, and preclinical evidence of transportation noise as an important environmental risk factor for public health and discusses its implications on the population level.
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Affiliation(s)
- Mette Sørensen
- Work, Environment and Cancer, Danish Cancer Institute, Copenhagen, Denmark; Department of Natural Science and Environment, Roskilde University, Denmark.
| | - Göran Pershagen
- Institute of Environmental Medicine, Karolinska Institutet, Stockholm, Sweden
| | - Jesse Daniel Thacher
- Division of Occupational and Environmental Medicine, Department of Laboratory Medicine, Lund University, Lund, Sweden
| | - Timo Lanki
- Department of Health Security, Finnish Institute for Health and Welfare, Kuopio, Finland; School of Medicine, University of Eastern Finland, Kuopio, Finland; Department of Environmental and Biological Sciences, University of Eastern Finland, Kuopio, Finland
| | - Benedikt Wicki
- Department of Epidemiology and Public Health, Swiss Tropical and Public Health Institute, Allschwil, Switzerland; University of Basel, Basel, Switzerland
| | - Martin Röösli
- Department of Epidemiology and Public Health, Swiss Tropical and Public Health Institute, Allschwil, Switzerland; University of Basel, Basel, Switzerland
| | - Danielle Vienneau
- Department of Epidemiology and Public Health, Swiss Tropical and Public Health Institute, Allschwil, Switzerland; University of Basel, Basel, Switzerland
| | - Manuella Lech Cantuaria
- Work, Environment and Cancer, Danish Cancer Institute, Copenhagen, Denmark; Research Unit for ORL - Head & Neck Surgery and Audiology, Odense University Hospital & University of Southern Denmark, Odense, Denmark
| | - Jesper Hvass Schmidt
- Research Unit for ORL - Head & Neck Surgery and Audiology, Odense University Hospital & University of Southern Denmark, Odense, Denmark
| | - Gunn Marit Aasvang
- Department of Air Quality and Noise, Norwegian Institute of Public Health, Oslo, Norway
| | - Sadeer Al-Kindi
- Department of Medicine, University Hospitals, Harrington Heart & Vascular Institute, Case Western Reserve University, 11100 Euclid Ave, Cleveland, OH, 44106, USA
| | - Michael T Osborne
- Cardiovascular Imaging Research Center, Massachusetts General Hospital, Boston, MA, USA; Division of Cardiology, Department of Medicine, Massachusetts General Hospital, Boston, MA, USA
| | - Philip Wenzel
- Department of Cardiology, Cardiology I, University Medical Center Mainz, Mainz, Germany; German Center for Cardiovascular Research (DZHK), Partner Site Rhine-Main, Mainz, Germany; Center for Thrombosis and Hemostasis, University Medical Center Mainz, Mainz, Germany
| | - Juan Sastre
- Department of Physiology, Faculty of Pharmacy, University of Valencia, Spain
| | - Ingrid Fleming
- Institute for Vascular Signalling, Centre for Molecular Medicine, Goethe University, Frankfurt Am Main, Germany; German Center of Cardiovascular Research (DZHK), Partner Site RheinMain, Frankfurt, Germany
| | - Rainer Schulz
- Institute of Physiology, Faculty of Medicine, Justus-Liebig University, Gießen, 35392, Gießen, Germany
| | - Omar Hahad
- Department of Cardiology, Cardiology I, University Medical Center Mainz, Mainz, Germany; German Center for Cardiovascular Research (DZHK), Partner Site Rhine-Main, Mainz, Germany
| | - Marin Kuntic
- Department of Cardiology, Cardiology I, University Medical Center Mainz, Mainz, Germany; German Center for Cardiovascular Research (DZHK), Partner Site Rhine-Main, Mainz, Germany
| | - Jacek Zielonka
- Department of Biophysics, Medical College of Wisconsin, Milwaukee, WI, USA
| | - Helmut Sies
- Institute for Biochemistry and Molecular Biology I, Faculty of Medicine, Heinrich Heine University Düsseldorf, Düsseldorf, Germany; Leibniz Research Institute for Environmental Medicine, Düsseldorf, Germany
| | - Tilman Grune
- Department of Molecular Toxicology, German Institute of Human Nutrition Potsdam-Rehbruecke, Nuthetal, Germany; DZHK (German Center for Cardiovascular Research), Partner Site Berlin, Berlin, Germany; German Center for Diabetes Research (DZD), München-Neuherberg, Germany
| | - Katie Frenis
- Hematology/Oncology, Boston Children's Hospital and Harvard Medical School, Boston, MA, USA; Stem Cell Program, Boston Children's Hospital, Boston, MA, USA
| | - Thomas Münzel
- Department of Cardiology, Cardiology I, University Medical Center Mainz, Mainz, Germany; German Center for Cardiovascular Research (DZHK), Partner Site Rhine-Main, Mainz, Germany; Center for Thrombosis and Hemostasis, University Medical Center Mainz, Mainz, Germany
| | - Andreas Daiber
- Department of Cardiology, Cardiology I, University Medical Center Mainz, Mainz, Germany; German Center for Cardiovascular Research (DZHK), Partner Site Rhine-Main, Mainz, Germany; Center for Thrombosis and Hemostasis, University Medical Center Mainz, Mainz, Germany.
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5
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Wang W, Kevin Tang KW, Pyatnitskiy I, Liu X, Shi X, Huo D, Jeong J, Wynn T, Sangani A, Baker A, Hsieh JC, Lozano AR, Artman B, Fenno L, Buch VP, Wang H. Ultrasound-Induced Cascade Amplification in a Mechanoluminescent Nanotransducer for Enhanced Sono-Optogenetic Deep Brain Stimulation. ACS NANO 2023; 17:24936-24946. [PMID: 38096422 DOI: 10.1021/acsnano.3c06577] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/27/2023]
Abstract
Remote and genetically targeted neuromodulation in the deep brain is important for understanding and treatment of neurological diseases. Ultrasound-triggered mechanoluminescent technology offers a promising approach for achieving remote and genetically targeted brain modulation. However, its application has thus far been limited to shallow brain depths due to challenges related to low sonochemical reaction efficiency and restricted photon yields. Here we report a cascaded mechanoluminescent nanotransducer to achieve efficient light emission upon ultrasound stimulation. As a result, blue light was generated under ultrasound stimulation with a subsecond response latency. Leveraging the high energy transfer efficiency of focused ultrasound in brain tissue and the high sensitivity to ultrasound of these mechanoluminescent nanotransducers, we are able to show efficient photon delivery and activation of ChR2-expressing neurons in both the superficial motor cortex and deep ventral tegmental area after intracranial injection. Our liposome nanotransducers enable minimally invasive deep brain stimulation for behavioral control in animals via a flexible, mechanoluminescent sono-optogenetic system.
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Affiliation(s)
- Wenliang Wang
- Biomedical Engineering Cockrell School of Engineering, The University of Texas at Austin, Austin, Texas 78712, United States
| | - Kai Wing Kevin Tang
- Biomedical Engineering Cockrell School of Engineering, The University of Texas at Austin, Austin, Texas 78712, United States
| | - Ilya Pyatnitskiy
- Biomedical Engineering Cockrell School of Engineering, The University of Texas at Austin, Austin, Texas 78712, United States
| | - Xiangping Liu
- Biomedical Engineering Cockrell School of Engineering, The University of Texas at Austin, Austin, Texas 78712, United States
| | - Xi Shi
- Department of Molecular Biosciences, The University of Texas at Austin, Austin, Texas 78712, United States
| | - David Huo
- Biomedical Engineering Cockrell School of Engineering, The University of Texas at Austin, Austin, Texas 78712, United States
| | - Jinmo Jeong
- Biomedical Engineering Cockrell School of Engineering, The University of Texas at Austin, Austin, Texas 78712, United States
| | - Thomas Wynn
- Biomedical Engineering Cockrell School of Engineering, The University of Texas at Austin, Austin, Texas 78712, United States
| | - Arjun Sangani
- Biomedical Engineering Cockrell School of Engineering, The University of Texas at Austin, Austin, Texas 78712, United States
| | - Andrew Baker
- Biomedical Engineering Cockrell School of Engineering, The University of Texas at Austin, Austin, Texas 78712, United States
| | - Ju-Chun Hsieh
- Biomedical Engineering Cockrell School of Engineering, The University of Texas at Austin, Austin, Texas 78712, United States
| | - Anakaren Romero Lozano
- Biomedical Engineering Cockrell School of Engineering, The University of Texas at Austin, Austin, Texas 78712, United States
| | - Brinkley Artman
- Biomedical Engineering Cockrell School of Engineering, The University of Texas at Austin, Austin, Texas 78712, United States
| | - Lief Fenno
- Department of Psychiatry & Behavioral Science, The University of Texas at Austin Dell Medical School, Austin, Texas 78712, United States
| | - Vivek P Buch
- Department of Neurosurgery, Stanford University, Stanford, California 94304, United States
| | - Huiliang Wang
- Biomedical Engineering Cockrell School of Engineering, The University of Texas at Austin, Austin, Texas 78712, United States
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Khan A, Meena VK, Silswal A, Koner AL. A perylenemonoimide-based fluorescent probe: ultrasensitive and selective tracing of endogenous peroxynitrite in living cells. Analyst 2023; 148:5851-5855. [PMID: 37881949 DOI: 10.1039/d3an01469j] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/27/2023]
Abstract
Peroxynitrite (ONOO-), a highly reactive species, plays a key role in various physiological and pathological processes. Herein, a red-emitting fluorescent reporter perylenemonoimide-boronate ester (PMI-BE) was synthesized and utilized for ultrasensitive detection of ONOO-. The unique feature of PMI-BE is its nanomolar sensitivity with high selectivity towards ONOO-. Moreover, PMI-BE also detects endogenously generated ONOO- in live cells.
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Affiliation(s)
- Aasif Khan
- Bionanotechnology Lab, Department of Chemistry, Indian Institute of Science Education and Research Bhopal, Bhopal Bypass Road, Bhauri, Bhopal, Madhya Pradesh, India.
| | - Vinod Kumar Meena
- Bionanotechnology Lab, Department of Chemistry, Indian Institute of Science Education and Research Bhopal, Bhopal Bypass Road, Bhauri, Bhopal, Madhya Pradesh, India.
| | - Akshay Silswal
- Bionanotechnology Lab, Department of Chemistry, Indian Institute of Science Education and Research Bhopal, Bhopal Bypass Road, Bhauri, Bhopal, Madhya Pradesh, India.
| | - Apurba Lal Koner
- Bionanotechnology Lab, Department of Chemistry, Indian Institute of Science Education and Research Bhopal, Bhopal Bypass Road, Bhauri, Bhopal, Madhya Pradesh, India.
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7
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Zhuo J, Hui J, Chi H, Guo Y, Lu G. Near-infrared Fluorescent Probes with Long-acting Cyclic Monitoring and Effectively Eliminating Peroxynitrite. Chem Asian J 2023; 18:e202300717. [PMID: 37697898 DOI: 10.1002/asia.202300717] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/16/2023] [Revised: 09/08/2023] [Accepted: 09/11/2023] [Indexed: 09/13/2023]
Abstract
Two through-bond energy transfer fluorescent probes with a dihydroxyl naphthyl-pyrenyl conjugated system were synthesized for long-acting cyclic monitoring and eliminating peroxynitrite (ONOO- ). The probes exhibit large Stokes shifts (230 or 280 nm) and the fluorescence at 620 or 652 nm rapidly change in response to continuously variable concentrations of ONOO- under physiological conditions. The probes show good reversibility and can rapidly monitor the concentration changes of ONOO- in real time. In addition, with the additions of the probes, the decomposition of ONOO- is greatly accelerated. Therefore, the probes can effectively eliminate the excess ONOO- as well as sensing it. The biological studies showed that the probes can effectively and reversibly eliminate both exogenous and endogenous ONOO- in-situ as well as sensing its changes in cells, which can help to maintain the normal physiological concentration of ONOO- in organisms. This is the first system that a probe achieves multifunction including real-time detection, long-acting cyclic monitoring and in-situ elimination, thereby maintaining a normal physiological balance for ONOO- .
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Affiliation(s)
- Jiezhen Zhuo
- School of Chemical Engineering, University of Science and Technology Liaoning, 185 Qianshan Zhong Road, Anshan, 114051, P. R. China
| | - Jin Hui
- School of Chemical Engineering, University of Science and Technology Liaoning, 185 Qianshan Zhong Road, Anshan, 114051, P. R. China
| | - Haijun Chi
- School of Chemical Engineering, University of Science and Technology Liaoning, 185 Qianshan Zhong Road, Anshan, 114051, P. R. China
| | - Yuxin Guo
- School of Chemical & Environmental Engineering, Liaoning University of Technology, 169 Shiying Road, Jinzhou, Liaoning, 121001, P. R. China
| | - Gonghao Lu
- School of Chemical Engineering, University of Science and Technology Liaoning, 185 Qianshan Zhong Road, Anshan, 114051, P. R. China
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8
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Chen S, Huang W, Tan H, Yin G, Chen S, Zhao K, Huang Y, Zhang Y, Li H, Wu C. A large Stokes shift NIR fluorescent probe for visual monitoring of mitochondrial peroxynitrite during inflammation and ferroptosis and in an Alzheimer's disease model. Analyst 2023; 148:4331-4338. [PMID: 37547973 DOI: 10.1039/d3an00956d] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 08/08/2023]
Abstract
The excessive formation of peroxynitrite (ONOO-) in mitochondria has been implicated in various pathophysiological processes and diseases. However, owing to short emission wavelengths and small Stokes shifts, previously reported fluorescent probes pose significant challenges for mitochondrial ONOO- imaging in biological systems. In this study, a near-infrared (NIR) fluorescent probe, denoted as DCO-POT, is designed for the visual monitoring of mitochondrial ONOO-, displaying a remarkable Stokes shift of 170 nm. The NIR fluorophore of DCO-CHO is released by DCO-POT upon the addition of ONOO-, resulting in off-on NIR fluorescence at 670 nm. This phenomenon facilitates the high-resolution confocal laser scanning imaging of ONOO- generated in biological systems. The practical applications of DCO-POT as an efficient fluorescence imaging tool are verified in this study. DCO-POT enables the fluorometric visualization of ONOO- in organelles, cells, and organisms. In particular, ONOO- generation is analyzed during cellular and organism-level (zebrafish) inflammation during ferroptosis and in an Alzheimer's disease mouse model. The excellent visual monitoring performance of DCO-POT in vivo makes it a promising tool for exploring the pathophysiological effects of ONOO-.
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Affiliation(s)
- Shiying Chen
- College of Chemistry and Chemical Engineering, Hunan Normal University, Changsha 410081, PR China
| | - Wei Huang
- College of Chemistry and Chemical Engineering, Hunan Normal University, Changsha 410081, PR China
| | - Hongli Tan
- College of Chemistry and Chemical Engineering, Hunan Normal University, Changsha 410081, PR China
| | - Guoxing Yin
- College of Chemistry and Chemical Engineering, Hunan Normal University, Changsha 410081, PR China
| | - Shengyou Chen
- College of Chemistry and Chemical Engineering, Hunan Normal University, Changsha 410081, PR China
| | - Kuicheng Zhao
- College of Chemistry and Chemical Engineering, Hunan Normal University, Changsha 410081, PR China
| | - Yinghui Huang
- College of Chemistry and Chemical Engineering, Hunan Normal University, Changsha 410081, PR China
| | - Youyu Zhang
- College of Chemistry and Chemical Engineering, Hunan Normal University, Changsha 410081, PR China
| | - Haitao Li
- College of Chemistry and Chemical Engineering, Hunan Normal University, Changsha 410081, PR China
| | - Cuiyan Wu
- College of Chemistry and Chemical Engineering, Hunan Normal University, Changsha 410081, PR China
- School of Materials and Chemical Engineering, Ningbo University of Technology, Ningbo 315211, PR China
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9
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Haigh S, Brown ZL, Shivers MA, Sellers HG, West MA, Barman SA, Stepp DW, Csanyi G, Fulton DJR. A Reappraisal of the Utility of L-012 to Measure Superoxide from Biologically Relevant Sources. Antioxidants (Basel) 2023; 12:1689. [PMID: 37759992 PMCID: PMC10525458 DOI: 10.3390/antiox12091689] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/17/2023] [Revised: 08/21/2023] [Accepted: 08/25/2023] [Indexed: 09/29/2023] Open
Abstract
The detection of superoxide anion (O2●-) in biological tissues remains challenging. Barriers to convenient and reproducible measurements include expensive equipment, custom probes, and the need for high sensitivity and specificity. The luminol derivative, L-012, has been used to measure O2●- since 1993 with mixed results and concerns over specificity. The goal of this study was to better define the conditions for use and their specificity. We found that L-012 coupled with depolymerized orthovanadate, a relatively impermeable tyrosine phosphatase inhibitor, yielded a highly sensitive approach to detect extracellular O2●-. In O2●- producing HEK-NOX5 cells, orthovanadate increased L-012 luminescence 100-fold. The combination of L-012 and orthovanadate was highly sensitive, stable, scalable, completely reversed by superoxide dismutase, and selective for O2●- generating NOXes versus NOX4, which produces H2O2. Moreover, there was no signal from cells transfected with NOS3 (NO●) and NOS2(ONOO-). To exclude the effects of altered tyrosine phosphorylation, O2●- was detected using non-enzymatic synthesis with phenazine methosulfate and via novel coupling of L-012 with niobium oxalate, which was less active in inducing tyrosine phosphorylation. Overall, our data shows that L-012 coupled with orthovanadate or other periodic group 5 salts yields a reliable, sensitive, and specific approach to measuring extracellular O2●- in biological systems.
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Affiliation(s)
- Stephen Haigh
- Vascular Biology Center, Medical College of Georgia at Augusta University, 1460 Laney Walker Blvd, CB 3316, Augusta, GA 30909, USA
| | - Zach L. Brown
- Vascular Biology Center, Medical College of Georgia at Augusta University, 1460 Laney Walker Blvd, CB 3316, Augusta, GA 30909, USA
| | - Mitch A. Shivers
- Vascular Biology Center, Medical College of Georgia at Augusta University, 1460 Laney Walker Blvd, CB 3316, Augusta, GA 30909, USA
| | - Hunter G. Sellers
- Vascular Biology Center, Medical College of Georgia at Augusta University, 1460 Laney Walker Blvd, CB 3316, Augusta, GA 30909, USA
| | - Madison A. West
- Vascular Biology Center, Medical College of Georgia at Augusta University, 1460 Laney Walker Blvd, CB 3316, Augusta, GA 30909, USA
| | - Scott A. Barman
- Department of Pharmacology and Toxicology, Medical College of Georgia at Augusta University, 1460 Laney Walker Blvd, CB 3316, Augusta, GA 30909, USA
| | - David W. Stepp
- Vascular Biology Center, Medical College of Georgia at Augusta University, 1460 Laney Walker Blvd, CB 3316, Augusta, GA 30909, USA
| | - Gabor Csanyi
- Vascular Biology Center, Medical College of Georgia at Augusta University, 1460 Laney Walker Blvd, CB 3316, Augusta, GA 30909, USA
- Department of Pharmacology and Toxicology, Medical College of Georgia at Augusta University, 1460 Laney Walker Blvd, CB 3316, Augusta, GA 30909, USA
| | - David J. R. Fulton
- Vascular Biology Center, Medical College of Georgia at Augusta University, 1460 Laney Walker Blvd, CB 3316, Augusta, GA 30909, USA
- David Fulton Vascular Biology Center, Department of Pharmacology and Toxicology, Medical College of Georgia at Augusta University, 1460 Laney Walker Blvd, CB 3316, Augusta, GA 30909, USA
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Sivaramakrishnan M, Goel S, Ratnaparkhi N, Chandrasekar B. Chemiluminescence-Based Assay to Monitor Early Oxidative Bursts in Soybean (Glycine max) Lateral Roots. Curr Protoc 2023; 3:e869. [PMID: 37625015 DOI: 10.1002/cpz1.869] [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: 08/27/2023]
Abstract
The reactive oxygen species (ROS) burst assay is a valuable tool for studying pattern-triggered immunity (PTI) in plants. During PTI, the interaction between pathogen recognition receptors (PRRs) and pathogen-associated molecular patterns (PAMPs) leads to the rapid production of ROS in the apoplastic space. The resultant ROS can be measured using a chemiluminescent approach that involves the usage of horseradish peroxidase and luminol. Although several methods and protocols are available to detect early ROS bursts in leaf tissues, no dedicated method is available for root tissues. Here, we have established a reliable method to measure the PAMP-triggered ROS burst response in soybean lateral roots. In plants, lateral roots are the potential entry and colonization sites for pathogens in the rhizosphere. We have used important PAMPs such as chitohexaose, flagellin 22 peptide fragment, and laminarin to validate our method. In addition, we provide a detailed methodology for the isolation and application of fungal cell wall components to monitor the oxidative burst in soybean lateral roots. Furthermore, we provide methodology for performing ROS burst assays in soybean leaf discs with laminarin and fungal cell walls. This approach could also be applied to leaf and root tissues of other plant species to study the PTI response upon elicitor treatment. © 2023 Wiley Periodicals LLC. Basic Protocol: Reactive oxygen species (ROS) burst assay in soybean lateral root tissues Alternate Protocol: ROS burst assay in soybean leaf discs Support Protocol: Isolating fungal cell wall fractions.
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Affiliation(s)
| | - Sakshi Goel
- Department of Biological Sciences, Birla Institute of Technology & Science (BITS Pilani), Pilani, India
| | - Nikhil Ratnaparkhi
- Department of Biological Sciences, Birla Institute of Technology & Science (BITS Pilani), Pilani, India
| | - Balakumaran Chandrasekar
- Department of Biological Sciences, Birla Institute of Technology & Science (BITS Pilani), Pilani, India
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Xie F, Zhou R, Jian C, Zhang L, He Y. A borate-based peroxynitrite fluorescent probe and its application in fluorescence imaging of living cells. ANALYTICAL METHODS : ADVANCING METHODS AND APPLICATIONS 2023. [PMID: 37366788 DOI: 10.1039/d3ay00517h] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/28/2023]
Abstract
As a bioactive species with high oxidation capacity, peroxynitrite (ONOO-) plays a crucial role in the regulation of diverse pathophysiological processes, and the overproduction of ONOO- is closely associated with various physiological diseases such as liver injury, pulmonary fibrosis and so on. Herein, two borate-based fluorescent probes 3a and 3b were synthesized for monitoring ONOO- by a simple substitution reaction. The experimental results showed that 3a and 3b had high selectivity and sensitivity for ONOO-. The detection limits of 3a and 3b were 79.46 nM and 32.12 nM, respectively. Moreover, the recognition was not disturbed by other active oxygen groups and common ions. More importantly, the probes 3a and 3b had low cytotoxicity and were successfully used to detect endogenous and exogenous ONOO-. They would provide an efficient detection method for further exploring the physiological and pathological role of ONOO- in complex biological systems and related diseases.
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Affiliation(s)
- Fulan Xie
- Key Laboratory of Chemistry in Ethnic Medicinal Resources, State Ethnic Affairs Commission, Ministry of Education, Key Laboratory of Natural Products Synthetic Biology of Ethnic Medicinal Endophytes, School of Ethnic Medicine, Yunnan Minzu University, Kunming, 650500, China.
| | - Rui Zhou
- Key Laboratory of Chemistry in Ethnic Medicinal Resources, State Ethnic Affairs Commission, Ministry of Education, Key Laboratory of Natural Products Synthetic Biology of Ethnic Medicinal Endophytes, School of Ethnic Medicine, Yunnan Minzu University, Kunming, 650500, China.
| | - Chi Jian
- Key Laboratory of Chemistry in Ethnic Medicinal Resources, State Ethnic Affairs Commission, Ministry of Education, Key Laboratory of Natural Products Synthetic Biology of Ethnic Medicinal Endophytes, School of Ethnic Medicine, Yunnan Minzu University, Kunming, 650500, China.
| | - Lizhu Zhang
- Key Laboratory of Chemistry in Ethnic Medicinal Resources, State Ethnic Affairs Commission, Ministry of Education, Key Laboratory of Natural Products Synthetic Biology of Ethnic Medicinal Endophytes, School of Ethnic Medicine, Yunnan Minzu University, Kunming, 650500, China.
| | - Yonghui He
- Key Laboratory of Chemistry in Ethnic Medicinal Resources, State Ethnic Affairs Commission, Ministry of Education, Key Laboratory of Natural Products Synthetic Biology of Ethnic Medicinal Endophytes, School of Ethnic Medicine, Yunnan Minzu University, Kunming, 650500, China.
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Huang P, Li Z, Nong L, Cheng J, Lin W. A therapeutic probe for detecting and inhibiting ONOO - in senescent cells. J Mater Chem B 2023; 11:2389-2396. [PMID: 36853656 DOI: 10.1039/d2tb02568j] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 03/01/2023]
Abstract
Aging is an inevitable biological process, characterized by a general decline in the quality of all physiological functions and reactions involving all organs and tissues of the body. Oxidative stress is considered to be the main cause of aging, which may be caused by active nitrogen substances. ONOO- is one of the important active nitrogen substances. Therefore, detecting the changes of ONOO- in senescent cells is of great significance for the study of senescence. However, the study of ONOO- in senescent cells is not deep enough. Here, we designed and synthesized a fluorescent probe FLASN based on flavonol, which integrates ONOO- detection and aging treatment. Our probe FLASN was prepared by a simple synthesis process and was shown to have excellent spectral characteristics. Meanwhile, the results of bioimaging showed that the probe FLASN could detect endogenous/exogenous ONOO- in cells and in vivo, and could reduce the production of ONOO- in cells and in vivo stimulated by metformin. It is worth noting that for the first time, the change of ONOO- in senescent cells and in vivo was detected, and the therapeutic effect of flavonol on senescent cells and in vivo was confirmed, by using the probe FLASN.
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Affiliation(s)
- Ping Huang
- Guangxi Key Laboratory of Electrochemical Energy Materials, Institute of Optical Materials and Chemical Biology, School of Chemistry and Chemical Engineering, Guangxi University, Nanning, Guangxi, 530004, P. R. China.
| | - Zihong Li
- Guangxi Key Laboratory of Electrochemical Energy Materials, Institute of Optical Materials and Chemical Biology, School of Chemistry and Chemical Engineering, Guangxi University, Nanning, Guangxi, 530004, P. R. China.
| | - Li Nong
- Guangxi Key Laboratory of Electrochemical Energy Materials, Institute of Optical Materials and Chemical Biology, School of Chemistry and Chemical Engineering, Guangxi University, Nanning, Guangxi, 530004, P. R. China.
| | - Jie Cheng
- Guangxi Key Laboratory of Electrochemical Energy Materials, Institute of Optical Materials and Chemical Biology, School of Chemistry and Chemical Engineering, Guangxi University, Nanning, Guangxi, 530004, P. R. China.
| | - Weiying Lin
- Guangxi Key Laboratory of Electrochemical Energy Materials, Institute of Optical Materials and Chemical Biology, School of Chemistry and Chemical Engineering, Guangxi University, Nanning, Guangxi, 530004, P. R. China.
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Xu Z, Xu Z, Zhang D. A near infrared fluorescent probe for rapid sensing of peroxynitrite in living cells and breast cancer mice. RSC Adv 2023; 13:8262-8269. [PMID: 36926017 PMCID: PMC10013131 DOI: 10.1039/d3ra01024d] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/14/2023] [Accepted: 02/28/2023] [Indexed: 03/15/2023] Open
Abstract
Peroxynitrite (ONOO-) plays an essential role in numerous physiological and pathological processes owing to its strong oxidation and nitrification. Many studies have shown that ONOO- abnormalities are associated with inflammatory diseases, even cancer, such as arthritis, hepatitis, pneumonia, and breast cancer. Thus, developing a trustworthy technology to monitor ONOO- levels is critical in inflammatory or cancer illnesses. Herein, an ultrafast near-infrared (NIR) fluorescent probe (Cy-OH-ONOO) is proposed to detect ONOO- within 30 s. The probe's borate moiety is oxidized and separated from Cy-OH-ONOO, releasing a NIR fluorescence signal after interacting with ONOO- under physiological circumstances. In addition, the probe displays good selectivity and sensitivity towards ONOO- compared to other related biological species. Moreover, it is applied to the image and detects the level fluctuation of ONOO- in living cells and breast cancer mice based on excellent features with high biocompatibility and low toxicity of the developed probe. Therefore, Cy-OH-ONOO could serve as a powerful imaging tool to understand the correlation of ONOO- with inflammatory or breast cancer pathophysiological processes and to assess ONOO- levels in cellular oxidative stress.
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Affiliation(s)
- Zixiang Xu
- Department of Oncology, Affiliated Hospital of Nantong University, Medical School of Nantong University Nantong 226001 China
| | - Zhencai Xu
- Guanyun People's Hospital Lianyungang Jiangsu 222000 China
| | - Dong Zhang
- Guanyun People's Hospital Lianyungang Jiangsu 222000 China
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Zhang C, Zhang X, Shen Y, Zhou Z. A mitochondrion targetable dimethylphosphorothionate-based far-red and colorimetric fluorescent probe with large Stokes shift for monitoring peroxynitrite in living cells. ANALYTICAL METHODS : ADVANCING METHODS AND APPLICATIONS 2023; 15:196-202. [PMID: 36515437 DOI: 10.1039/d2ay01614a] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/17/2023]
Abstract
Peroxynitrite (ONOO-) is a biological oxidant that is related to numerous physiological and pathological processes. An overdose of ONOO- is the cause of various serious diseases. Some evidence demonstrates that mitochondria are the major sites of ONOO- production. Therefore, monitoring mitochondrial ONOO- is important to understand the related pathological processes in living systems. Herein, a colorimetric and far-red fluorescent sensing probe (PCPA) for the determination of ONOO- was constructed based on a dicyanoisophorone skeleton using dimethylphosphorothionate as the recognition group and pyridine salt as the mitochondrion-targeting unit. PCPA showed a far-red fluorescence response to ONOO- accompanied by a distinct color change from colorless to yellow via the ONOO- induced deprotection of dimethylphosphorothionate. In addition, PCPA exhibited a large Stokes shift (200 nm), high selectivity detection and high sensibility (LOD = 39 nM). Furthermore, PCPA was successfully employed for imaging ONOO- and tracing ONOO- in mitochondria. PCPA presents a new recognition group and has potential applications in the biology field.
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Affiliation(s)
- Chunxiang Zhang
- Hunan Provincial Key Laboratory of Water Treatment Functional Materials, College of Chemistry and Materials Engineering, Hunan University of Arts and Science, Changde 415000, PR China, +86 746-7186115.
| | - Xiangyang Zhang
- Hunan Provincial Key Laboratory of Water Treatment Functional Materials, College of Chemistry and Materials Engineering, Hunan University of Arts and Science, Changde 415000, PR China, +86 746-7186115.
| | - Youming Shen
- Hunan Provincial Key Laboratory of Water Treatment Functional Materials, College of Chemistry and Materials Engineering, Hunan University of Arts and Science, Changde 415000, PR China, +86 746-7186115.
| | - Zile Zhou
- Hunan Provincial Key Laboratory of Water Treatment Functional Materials, College of Chemistry and Materials Engineering, Hunan University of Arts and Science, Changde 415000, PR China, +86 746-7186115.
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A Two-Photon Fluorescent Probe for the Visual Detection of Peroxynitrite in Living Cells and Zebrafish. Molecules 2022; 27:molecules27154858. [PMID: 35956806 PMCID: PMC9369896 DOI: 10.3390/molecules27154858] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/18/2022] [Revised: 07/22/2022] [Accepted: 07/23/2022] [Indexed: 11/17/2022] Open
Abstract
Peroxynitrite (ONOO−), as an important reactive oxygen species (ROS), holds great potential to react with a variety of biologically active substances, leading to the occurrence of various diseases such as cancer and neurodegenerative diseases. In this work, we developed a novel mitochondria-localized fluorescent probe, HDBT-ONOO−, which was designed as a mitochondria-targeting two-photon fluorescence probe based on 1,8-naphthylimide fluorophore and the reactive group of 4-(bromomethyl)-benzene boronic acid pinacol ester. More importantly, the probe exhibited good biocompatibility, sensitivity, and selectivity, enabling its successful application in imaging the generation of intracellular and extracellular ONOO−. Furthermore, exogenous and endogenous ONOO− products in live zebrafish were visualized. It is greatly expected that the designed probe can serve as a useful imaging tool for clarifying the distribution and pathophysiological functions of ONOO− in cells and zebrafish.
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Abstract
Significance: Reactive sulfur and nitrogen species such as hydrogen sulfide (H2S) and nitric oxide (NO•) are ubiquitous cellular signaling molecules that play central roles in physiology and pathophysiology. A deeper understanding of these signaling pathways will offer new opportunities for therapeutic treatments and disease management. Recent Advances: Chemiluminescence methods have been fundamental in detecting and measuring biological reactive sulfur and nitrogen species, and new approaches are emerging for imaging these analytes in living intact specimens. Ozone-based and luminol-based chemiluminescence methods have been optimized for quantitative analysis of hydrogen sulfide and nitric oxide in biological samples and tissue homogenates, and caged luciferin and 1,2-dioxetanes are emerging as a versatile approach for monitoring and imaging reactive sulfur and nitrogen species in living cells and animal models. Critical Issues: This review article will cover the major chemiluminescence approaches for detecting, measuring, and imaging reactive sulfur and nitrogen species in biological systems, including a brief history of the development of the most established approaches and highlights of the opportunities provided by emerging approaches. Future Directions: Emerging chemiluminescence approaches offer new opportunities for monitoring and imaging reactive sulfur and nitrogen species in living cells, animals, and human clinical samples. Widespread adoption and translation of these approaches, however, requires an emphasis on rigorous quantitative methods, reproducibility, and effective technology transfer. Antioxid. Redox Signal. 36, 337-353.
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Affiliation(s)
- Bo Li
- Department of Chemistry, Southern Methodist University, Dallas, Texas USA
| | - Yujin Lisa Kim
- Department of Chemistry, Southern Methodist University, Dallas, Texas USA
| | - Alexander Ryan Lippert
- Department of Chemistry, Southern Methodist University, Dallas, Texas USA.,Center for Drug Discovery, Design, and Delivery (CD), Southern Methodist University, Dallas, Texas USA
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Koppe-Schmeißer F, Schwaderlapp M, Schmeißer J, Dopheide JF, Münzel T, Daiber A, Espinola-Klein C. Influence of Peripheral Transluminal Angioplasty Alongside Exercise Training on Oxidative Stress and Inflammation in Patients with Peripheral Arterial Disease. J Clin Med 2021; 10:jcm10245851. [PMID: 34945147 PMCID: PMC8708777 DOI: 10.3390/jcm10245851] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/07/2021] [Revised: 11/29/2021] [Accepted: 12/07/2021] [Indexed: 12/24/2022] Open
Abstract
In patients with intermittent claudication, exercise training ameliorates inflammation by reducing oxidative stress. A total of 41 patients with intermittent claudication (Rutherford 3) were included in the study (with 21 patients treated by endovascular revascularization (ER), and 20 patients without ER). All patients were referred to home-based exercise training. Absolute and initial claudication distance (ACD, ICD) and ABI (ankle–brachial index) were measured. ROS (reactive oxygen species) formation was measured using the luminol analogue L-012. Follow-up was performed after 3 months. ROS production after NOX2 (NAPDH oxidase 2) stimulation showed a significant reduction in both groups at follow-up (PTA group: p = 0.002, control group: p = 0.019), with a higher relative reduction in ROS in the PTA group than in the control group (p = 0.014). ABI measurements showed a significant increase in the PTA (peripheral transluminal angioplasty) group (p = 0.001), but not in the control group (p = 0.127). Comparing both groups at follow-up, ABI was higher in the PTA group (p = 0.047). Both groups showed a significant increas ACD and ICD at follow-up (PTA group: ACD: p = 0.001, ICD: p < 0.0001; control group: ACD: p = 0.041, ICD: p = 0.002). There was no significant difference between both groups at follow-up (ACD: p = 0.421, ICD: p = 0.839). Endovascular therapy in combination with exercise training leads to a lower leukocyte activation state with a reduced NOX2-derived ROS production paralleled by an improved ABI, ACD and ICD. Our data support the strategy to combine exercise training with preceding endovascular therapy.
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Affiliation(s)
- Franziska Koppe-Schmeißer
- Center for Cardiology, Cardiology I—General and Interventional Cardiology and Intensive Care, University Medical Center, Johannes Gutenberg-University, 55131 Mainz, Germany; (F.K.-S.); (J.S.); (T.M.); (A.D.)
| | - Melanie Schwaderlapp
- Center for Cardiology, Cardiology III—Angiology, University Medical Center, Johannes Gutenberg-University, 55131 Mainz, Germany;
| | - Julian Schmeißer
- Center for Cardiology, Cardiology I—General and Interventional Cardiology and Intensive Care, University Medical Center, Johannes Gutenberg-University, 55131 Mainz, Germany; (F.K.-S.); (J.S.); (T.M.); (A.D.)
| | - Jörn F. Dopheide
- Bern University Hospital, University of Bern, 3010 Bern, Switzerland;
- Division of Angiology, Department of Internal Medicine, Cantonal Hospital Graubuenden, 7000 Chur, Switzerland
- Vorarlberg Institute for Vascular Investigation and Treatment (VIVIT), 6800 Feldkirch, Austria
- Department of Internal Medicine, Academic Teaching Hospital Bregenz, 6900 Bregenz, Austria
| | - Thomas Münzel
- Center for Cardiology, Cardiology I—General and Interventional Cardiology and Intensive Care, University Medical Center, Johannes Gutenberg-University, 55131 Mainz, Germany; (F.K.-S.); (J.S.); (T.M.); (A.D.)
| | - Andreas Daiber
- Center for Cardiology, Cardiology I—General and Interventional Cardiology and Intensive Care, University Medical Center, Johannes Gutenberg-University, 55131 Mainz, Germany; (F.K.-S.); (J.S.); (T.M.); (A.D.)
| | - Christine Espinola-Klein
- Center for Cardiology, Cardiology III—Angiology, University Medical Center, Johannes Gutenberg-University, 55131 Mainz, Germany;
- Correspondence:
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Lack of Endothelial α1AMPK Reverses the Vascular Protective Effects of Exercise by Causing eNOS Uncoupling. Antioxidants (Basel) 2021; 10:antiox10121974. [PMID: 34943078 PMCID: PMC8750041 DOI: 10.3390/antiox10121974] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/04/2021] [Revised: 12/06/2021] [Accepted: 12/08/2021] [Indexed: 11/16/2022] Open
Abstract
Voluntary exercise training is an effective way to prevent cardiovascular disease, since it results in increased NO bioavailability and decreased reactive oxygen species (ROS) production. AMP-activated protein kinase (AMPK), especially its α1AMPK subunit, modulates ROS-dependent vascular homeostasis. Since endothelial cells play an important role in exercise-induced changes of vascular signaling, we examined the consequences of endothelial-specific α1AMPK deletion during voluntary exercise training. We generated a mouse strain with specific deletion of α1AMPK in endothelial cells (α1AMPKflox/flox x TekCre+). While voluntary exercise training improved endothelial function in wild-type mice, it had deleterious effects in mice lacking endothelial α1AMPK indicated by elevated reactive oxygen species production (measured by dihydroethidum fluorescence and 3-nitrotyrosine staining), eNOS uncoupling and endothelial dysfunction. Importantly, the expression of the phagocytic NADPH oxidase isoform (NOX-2) was down-regulated by exercise in control mice, whereas it was up-regulated in exercising α1AMPKflox/flox x TekCre+ animals. In addition, nitric oxide bioavailability was decreased and the antioxidant/protective nuclear factor erythroid 2-related factor 2 (Nrf-2) response via heme oxygenase 1 and uncoupling protein-2 (UCP-2) was impaired in exercising α1AMPKflox/flox x TekCre+ mice. Our results demonstrate that endothelial α1AMPK is a critical component of the signaling events that enable vascular protection in response to exercise. Moreover, they identify endothelial α1AMPK as a master switch that determines whether the effects of exercise on the vasculature are protective or detrimental.
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Sheng W, Wang K, Gao N, Wang L, Wang R, Zhang X, Chen X, Zhang Y, Zhu B, Liu K. A novel p-dimethylaminophenylether-based fluorescent probe for the detection of native ONOO - in cells and zebrafish. Analyst 2021; 146:5264-5270. [PMID: 34337624 DOI: 10.1039/d1an00608h] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Peroxynitrite (ONOO-) is a highly reactive substance, and plays an essential part in maintaining cellular homeostasis. It is crucial to monitor the ONOO- level in cells in normal and abnormal states. We introduced a p-dimethylaminophenylether-based fluorescent probe PDPE-PN, which could be synthesized readily. The new probe had prominent sensitivity and specificity, and a fast response towards ONOO-. The spectral performance of probe PDPE-PN was outstanding and the limit of detection was 69 nM. Probe PDPE-PN with low toxicity was applied to detect endogenous/exogenous ONOO- in RAW 264.7 macrophages and zebrafish. Importantly, successful application of the new receptor opens up new ideas for the design of ONOO- probes.
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Affiliation(s)
- Wenlong Sheng
- Biology Institute, Qilu University of Technology (Shandong Academy of Sciences), Jinan 250103, China.
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Tsuoka K, Samejima N, Toki E, Nakashima T, Abe R, Oyama T, Tsukiyama K. Oscillating chemiluminescence reaction in the L‐012–H
2
O
2
–KSCN–CuSO
4
–NaOH system. INT J CHEM KINET 2021. [DOI: 10.1002/kin.21524] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/05/2022]
Affiliation(s)
- Kazuki Tsuoka
- Ichikawa Gakuen Ichikawa High School 2‐38‐1, Motokitakata Ichikawa‐shi Chiba 272‐0816 Japan
| | - Nobutoshi Samejima
- Ichikawa Gakuen Ichikawa High School 2‐38‐1, Motokitakata Ichikawa‐shi Chiba 272‐0816 Japan
| | - Erika Toki
- Ichikawa Gakuen Ichikawa High School 2‐38‐1, Motokitakata Ichikawa‐shi Chiba 272‐0816 Japan
| | - Tetsuto Nakashima
- Ichikawa Gakuen Ichikawa High School 2‐38‐1, Motokitakata Ichikawa‐shi Chiba 272‐0816 Japan
- Osaka Toin High School 3‐1‐1, Nakagaito Daito‐shi Osaka 574‐0013 Japan
| | - Rin Abe
- Department of Chemistry Tokyo University of Science 1–3, Kagurazaka Shinjuku Tokyo 162‐8601 Japan
| | - Takahiro Oyama
- Department of Chemistry Tokyo University of Science 1–3, Kagurazaka Shinjuku Tokyo 162‐8601 Japan
| | - Koichi Tsukiyama
- Department of Chemistry Tokyo University of Science 1–3, Kagurazaka Shinjuku Tokyo 162‐8601 Japan
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Deficiency of Antioxidative Paraoxonase 2 (Pon2) Leads to Increased Number of Phenotypic LT-HSCs and Disturbed Erythropoiesis. OXIDATIVE MEDICINE AND CELLULAR LONGEVITY 2021; 2021:3917028. [PMID: 34257800 PMCID: PMC8253644 DOI: 10.1155/2021/3917028] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 06/29/2020] [Revised: 04/26/2021] [Accepted: 05/27/2021] [Indexed: 01/09/2023]
Abstract
Background Long-term hematopoietic stem cells (LT-HSCs) reside in bone marrow niches with tightly controlled reactive oxygen species (ROS) levels. ROS increase results into LT-HSC differentiation and stem cell exhaustion. Paraoxonase 2 (PON2) has been shown to be important for ROS control. Objectives We investigate the effects of inactivation of the PON2 gene on hematopoietic cell differentiation and activity. Methods and Results In young mice with inactivated Pon2 gene (Pon2−/−, <3 months), we observed an increase of LT-HSCs and a reduced frequency of progenitor cells. In competitive transplantations, young Pon2−/− BM outcompeted WT BM at early time points. ROS levels were significantly increased in Pon2−/− whole BM, but not in Pon2−/− LT-HSCs. In more differentiated stages of hematopoiesis, Pon2 deficiency led to a misbalanced erythropoiesis both in physiologic and stress conditions. In older mice (>9 months), Pon2 depletion caused an increase in LT-HSCs as well as increased levels of granulocyte/macrophage progenitors (GMPs) and myeloid skewing, indicating a premature aging phenotype. No significant changes in ROS levels in old Pon2−/− LT- and short-term (ST-) HSCs were observed, but a significant reduction of spontaneous apoptotic cell death was measured. RNA-seq analysis in Pon2−/− LT-HSCs identified overrepresentation of genes involved in the C-X-C chemokine receptor type 4 (Cxcr4) signaling, suggesting compensatory mechanisms to overcome ROS-mediated accelerated aging in hematopoietic progenitor cells. Conclusions In summary, our current data indicate that PON2 is involved in the regulation of HSC functions.
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Temporal Dynamics of Reactive Oxygen and Nitrogen Species and NF-κB Activation During Acute and Chronic T Cell-Driven Inflammation. Mol Imaging Biol 2021; 22:504-514. [PMID: 31482411 PMCID: PMC7250960 DOI: 10.1007/s11307-019-01412-8] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/03/2022]
Abstract
Purpose Reactive oxygen and nitrogen species (ROS/RNS) production and the NF-κB activation are critically involved in inflammatory responses, but knowledge about the temporal dynamics during acute and chronic inflammation is limited. Here, we present a comparative longitudinal in vivo study of both parameters in an experimental model of acute and chronic T cell–driven delayed-type hypersensitivity reaction (DTHR) using noninvasive optical imaging. Procedures Trinitrochlorobenzene (TNCB)-sensitized NF-κB-luciferase-reporter and wild-type mice were TNCB challenged on the right ear to elicit acute DTHR and then repetitively challenged (up to five times) to induce chronic DTHR. Mice were treated with the ROS-scavenging and NF-κB inhibiting molecule N-acetylcysteine (NAC) or underwent sham treatment. ROS/RNS production was noninvasively analyzed in vivo using the ROS-/RNS-sensitive chemiluminescent probe L-012, and NF-κB activation was measured using NF-κB-luciferase-reporter mice. H&E staining, CD3 and myeloperoxidase (MPO) immunohistochemistry (IHC), and quantitative PCR (qPCR) analyses were employed to investigate immune cell infiltration and expression of NF-κB- and ROS-/RNS-driven genes. Results In acute DTHR, we found strongly elevated ROS/RNS production and NF-κB activation 12 h after the 1st TNCB ear challenge, peaking at 24 h after the challenge. In chronic DTHR, ROS production peaked as early as 4 h after the 5th TNCB challenge, whereas NF-κB activity peaked after 12 h. The increase in ROS/RNS production in acute DTHR was higher than the increase in NF-κB activity but the relationship was inverse in chronic DTHR. Treatment with the ROS scavenger NAC had differential effects on ROS/RNS production and NF-κB activation during acute and chronic DTHR. Ex vivo cross-validation by histopathology and qPCR analysis correlated closely with the in vivo imaging results. Conclusions Noninvasive in vivo imaging is capable of assessing the temporal dynamics of ROS/RNS production and NF-κB activation during progression from acute to chronic DTHR and enables monitoring of anti-inflammatory treatment responses. Electronic supplementary material The online version of this article (10.1007/s11307-019-01412-8) contains supplementary material, which is available to authorized users.
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Heyman L, Ferrarini E, Sanchez L, Barka EA, Höfte M. A sensitive chemiluminescence method for quantification of the oxidative burst in grapevine cells and rice roots. PLANT SCIENCE : AN INTERNATIONAL JOURNAL OF EXPERIMENTAL PLANT BIOLOGY 2021; 307:110892. [PMID: 33902853 DOI: 10.1016/j.plantsci.2021.110892] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/05/2021] [Revised: 03/18/2021] [Accepted: 03/21/2021] [Indexed: 06/12/2023]
Abstract
Roots are prominent plant-microbe interaction sites and of great biological relevance for many studies. The root response is of interest when searching for potential systemic resistance inducers. Screening of elicitors often focuses on the oxidative burst, the rapid and transient production of Reactive Oxygen Species (ROS). However, to our knowledge, no high-throughput, sensitive methods have been developed for the quantification of ROS released by roots. Here, we report on the development of an L-012-based chemiluminescence bioassay to quantitatively determine the oxidative burst following elicitation events in roots. Rice and grapevine were used as monocot and dicot models. We demonstrate that chitosan, a recognized elicitor in rice cells, was able to elicit ROS production in rice roots. Chitosan also triggered a strong oxidative burst in grapevine cell suspension cultures, while grapevine roots were not responsive. Although this method is broadly applicable, the L-012 probe requires careful consideration of solvents and plant species. Insufficient extracellular ROS, quenching, and the interference of solvents with the probe can undermine the assay sensitivity.
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Affiliation(s)
- Lisa Heyman
- Department of Plants and Crops, Faculty of Bioscience Engineering, Ghent University, Ghent, Belgium.
| | - Enrico Ferrarini
- Department of Plants and Crops, Faculty of Bioscience Engineering, Ghent University, Ghent, Belgium.
| | - Lisa Sanchez
- RIBP-EA 4707, SFR Condorcet FR CNRS 3417, University of Reims Champagne-Ardenne, Reims, France.
| | - Essaid Ait Barka
- RIBP-EA 4707, SFR Condorcet FR CNRS 3417, University of Reims Champagne-Ardenne, Reims, France.
| | - Monica Höfte
- Department of Plants and Crops, Faculty of Bioscience Engineering, Ghent University, Ghent, Belgium.
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24
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Kalinovic S, Stamm P, Oelze M, Steven S, Kröller-Schön S, Kvandova M, Zielonka J, Münzel T, Daiber A. Detection of extracellular superoxide in isolated human immune cells and in an animal model of arterial hypertension using hydropropidine probe and HPLC analysis. Free Radic Biol Med 2021; 168:214-225. [PMID: 33823245 DOI: 10.1016/j.freeradbiomed.2021.03.041] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/19/2021] [Revised: 03/27/2021] [Accepted: 03/29/2021] [Indexed: 12/15/2022]
Abstract
Superoxide formation is a hallmark of cardiovascular disease with the involvement of different tissues and cell types. Identification of the cellular sources and subcellular localization of superoxide formation is important to understand the underlying disease pathomechanisms. In the present study, we used HPLC quantification of the superoxide-specific oxidation products of hydroethidine (HE or DHE) and its derivative hydropropidine (HPr+) for measurement of intra- and extracellular superoxide formation in isolated leukocytes and tissues of hypertensive rats. Superoxide generation by isolated leukocytes from human subjects as well as tissue samples of hypertensive rats (infusion of angiotensin-II for 7 days) was investigated using HPr+ and HE fluorescent probes with HPLC or plate reader detection. Both fluorescent dyes were used to test for intra- and extracellular superoxide formation using the supernatant or cell/tissue pellet for analysis. We demonstrate the correlation of impaired functional parameters (blood pressure, vascular function, and oxidative burst) and increased superoxide formation in different organ systems of hypertensive rats using the HPr+/HPLC method. In the cell model, the differences between HE and HPr+ and especially the advantage of the extracellular specificity of HPr+, due to its cell impermeability, became evident. Plate reader-based assays showed much higher background signal and were inferior to HPLC based methods. In conclusion, the HPr+/HPLC assay for superoxide determination is highly reliable in isolated immune cells and an animal model of arterial hypertension. In particular, the cell impermeability of HPr+ made it possible to differentiate between intra- and extracellular superoxide formation.
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Affiliation(s)
- Sanela Kalinovic
- Center for Cardiology, Department of Cardiology 1 - Molecular Cardiology, University Medical Center, 55131, Mainz, Germany
| | - Paul Stamm
- Center for Cardiology, Department of Cardiology 1 - Molecular Cardiology, University Medical Center, 55131, Mainz, Germany
| | - Matthias Oelze
- Center for Cardiology, Department of Cardiology 1 - Molecular Cardiology, University Medical Center, 55131, Mainz, Germany
| | - Sebastian Steven
- Center for Cardiology, Department of Cardiology 1 - Molecular Cardiology, University Medical Center, 55131, Mainz, Germany
| | - Swenja Kröller-Schön
- Center for Cardiology, Department of Cardiology 1 - Molecular Cardiology, University Medical Center, 55131, Mainz, Germany
| | - Miroslava Kvandova
- Center for Cardiology, Department of Cardiology 1 - Molecular Cardiology, University Medical Center, 55131, Mainz, Germany
| | - Jacek Zielonka
- Department of Biophysics, Cancer Center Redox & Bioenergetics Shared Resource, Medical College of Wisconsin, Milwaukee, WI, 53226, USA
| | - Thomas Münzel
- Center for Cardiology, Department of Cardiology 1 - Molecular Cardiology, University Medical Center, 55131, Mainz, Germany; Partner Site Rhine-Main, German Center for Cardiovascular Research (DZHK), Langenbeckstr. 1, 55131, Mainz, Germany
| | - Andreas Daiber
- Center for Cardiology, Department of Cardiology 1 - Molecular Cardiology, University Medical Center, 55131, Mainz, Germany; Partner Site Rhine-Main, German Center for Cardiovascular Research (DZHK), Langenbeckstr. 1, 55131, Mainz, Germany.
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25
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Zhan Z, Dai Y, Li Q, Lv Y. Small molecule-based bioluminescence and chemiluminescence probes for sensing and imaging of reactive species. Trends Analyt Chem 2021. [DOI: 10.1016/j.trac.2020.116129] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
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26
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Gu B, Liu C, Wu Y, Zhang C, Shen Y, Liu M. Application of a Colorimetric and Near-Infrared Fluorescent Probe in Peroxynitrite Detection and Imaging in Living Cells. ACS OMEGA 2020; 5:27530-27535. [PMID: 33134716 PMCID: PMC7594142 DOI: 10.1021/acsomega.0c04073] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 08/23/2020] [Accepted: 09/29/2020] [Indexed: 06/11/2023]
Abstract
Peroxynitrite (ONOO-) plays a vital role in pathological and physiological processes, and an excessive amount of ONOO- causes various diseases. Developing a specific and sensitive method for the detection of ONOO- in biological systems is significant. Herein, we reported a novel colorimetric and near-infrared fluorescent probe (pyridin-4-ylmethyl (Z)-2-cyano-2-(3-((E)-4-hydroxystyryl)-5,5-dimethylcyclohex-2-en-1-ylidene)acetate diphenyl phosphinate group (AN-DP)) based on isophorone and phosphinate groups for ONOO- detection. The probe displayed excellent selectivity toward ONOO- compared with other relevant analytes. It showed a good linear relationship between the fluorescence intensity at 670 nm and ONOO- concentration (0-10 μM) with a low detection limit (53 nM). Importantly, the probe was a colorimetric and near-infrared fluorescent probe suitable for ONOO- detection. Furthermore, the probe could be used for imaging ONOO- in HepG2 cells.
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Affiliation(s)
- Biao Gu
- Key
Laboratory of Functional Organometallic Materials of College of Hunan
Province, College of Chemistry and Materials Science, Hengyang Normal University, Hengyang 421008, P.R. China
| | - Cunfei Liu
- Key
Laboratory of Functional Organometallic Materials of College of Hunan
Province, College of Chemistry and Materials Science, Hengyang Normal University, Hengyang 421008, P.R. China
| | - Yang Wu
- College
of Chemistry and Materials Engineering, Hunan University of Arts and Science, Changde 415000, P.R. China
| | - Chunxiang Zhang
- College
of Chemistry and Materials Engineering, Hunan University of Arts and Science, Changde 415000, P.R. China
| | - Youming Shen
- College
of Chemistry and Materials Engineering, Hunan University of Arts and Science, Changde 415000, P.R. China
| | - Mengqin Liu
- Key
Laboratory of Functional Organometallic Materials of College of Hunan
Province, College of Chemistry and Materials Science, Hengyang Normal University, Hengyang 421008, P.R. China
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27
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Activatable red emitting fluorescent probe for rapid and sensitive detection of intracellular peroxynitrite. Talanta 2020; 217:121053. [DOI: 10.1016/j.talanta.2020.121053] [Citation(s) in RCA: 13] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/10/2020] [Revised: 04/14/2020] [Accepted: 04/15/2020] [Indexed: 12/21/2022]
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28
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Affiliation(s)
- Xinping Zhang
- State Key Laboratory of Bioelectronics, School of Biological Science and Medical Engineering Southeast University Nanjing China
| | - Xiaoyang Liu
- State Key Laboratory of Bioelectronics, School of Biological Science and Medical Engineering Southeast University Nanjing China
| | - Yuxin Guo
- State Key Laboratory of Bioelectronics, School of Biological Science and Medical Engineering Southeast University Nanjing China
| | - Fu‐Gen Wu
- State Key Laboratory of Bioelectronics, School of Biological Science and Medical Engineering Southeast University Nanjing China
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29
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Khoshnevisan R, Anderson M, Babcock S, Anderson S, Illig D, Marquardt B, Sherkat R, Schröder K, Moll F, Hollizeck S, Rohlfs M, Walz C, Adibi P, Rezaei A, Andalib A, Koletzko S, Muise AM, Snapper SB, Klein C, Thiagarajah JR, Kotlarz D. NOX1 Regulates Collective and Planktonic Cell Migration: Insights From Patients With Pediatric-Onset IBD and NOX1 Deficiency. Inflamm Bowel Dis 2020; 26:1166-1176. [PMID: 32064493 PMCID: PMC7365810 DOI: 10.1093/ibd/izaa017] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/23/2019] [Indexed: 12/14/2022]
Abstract
BACKGROUND Genetic defects of pediatric-onset inflammatory bowel disease (IBD) provide critical insights into molecular factors controlling intestinal homeostasis. NOX1 has been recently recognized as a major source of reactive oxygen species (ROS) in human colonic epithelial cells. Here we assessed the functional consequences of human NOX1 deficiency with respect to wound healing and epithelial migration by studying pediatric IBD patients presenting with a stop-gain mutation in NOX1. METHODS Functional characterization of the NOX1 variant included ROS generation, wound healing, 2-dimensional collective chemotactic migration, single-cell planktonic migration in heterologous cell lines, and RNA scope and immunohistochemistry of paraffin-embedded patient tissue samples. RESULTS Using exome sequencing, we identified a stop-gain mutation in NOX1 (c.160C>T, p.54R>*) in patients with pediatric-onset IBD. Our studies confirmed that loss-of-function of NOX1 causes abrogated ROS activity, but they also provided novel mechanistic insights into human NOX1 deficiency. Cells that were NOX1-mutant showed impaired wound healing and attenuated 2-dimensional collective chemotactic migration. High-resolution microscopy of the migrating cell edge revealed a reduced density of filopodial protrusions with altered focal adhesions in NOX1-deficient cells, accompanied by reduced phosphorylation of p190A. Assessment of single-cell planktonic migration toward an epidermal growth factor gradient showed that NOX1 deficiency is associated with altered migration dynamics with loss of directionality and altered cell-cell interactions. CONCLUSIONS Our studies on pediatric-onset IBD patients with a rare sequence variant in NOX1 highlight that human NOX1 is involved in regulating wound healing by altering epithelial cytoskeletal dynamics at the leading edge and directing cell migration.
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Affiliation(s)
- Razieh Khoshnevisan
- Dr. von Hauner Children’s Hospital, Department of Pediatrics, University Hospital, Ludwig-Maximilians-Universität München, Munich, Germany,Department of Immunology, Medical Faculty, Isfahan University of Medical Sciences, Isfahan, Iran,Acquired Immunodeficiency Research Center, Isfahan University of Medical Sciences, Isfahan, Iran
| | - Michael Anderson
- Division of Gastroenterology, Hepatology and Nutrition, Boston Children’s Hospital, Boston, Massachusetts, USA,Department of Pediatrics, Harvard Medical School, Boston, Massachusetts, USA
| | - Stephen Babcock
- Division of Gastroenterology, Hepatology and Nutrition, Boston Children’s Hospital, Boston, Massachusetts, USA,Department of Pediatrics, Harvard Medical School, Boston, Massachusetts, USA
| | - Sierra Anderson
- Division of Gastroenterology, Hepatology and Nutrition, Boston Children’s Hospital, Boston, Massachusetts, USA,Department of Pediatrics, Harvard Medical School, Boston, Massachusetts, USA
| | - David Illig
- Dr. von Hauner Children’s Hospital, Department of Pediatrics, University Hospital, Ludwig-Maximilians-Universität München, Munich, Germany
| | - Benjamin Marquardt
- Dr. von Hauner Children’s Hospital, Department of Pediatrics, University Hospital, Ludwig-Maximilians-Universität München, Munich, Germany
| | - Roya Sherkat
- Acquired Immunodeficiency Research Center, Isfahan University of Medical Sciences, Isfahan, Iran
| | - Katrin Schröder
- Institute for Cardiovascular Physiology, Goethe-University, Frankfurt, Germany
| | - Franziska Moll
- Institute for Cardiovascular Physiology, Goethe-University, Frankfurt, Germany
| | - Sebastian Hollizeck
- Dr. von Hauner Children’s Hospital, Department of Pediatrics, University Hospital, Ludwig-Maximilians-Universität München, Munich, Germany
| | - Meino Rohlfs
- Dr. von Hauner Children’s Hospital, Department of Pediatrics, University Hospital, Ludwig-Maximilians-Universität München, Munich, Germany
| | - Christoph Walz
- Institute of Pathology, Faculty of Medicine, Ludwig-Maximilians-Universität München, Munich, Germany
| | - Peyman Adibi
- Integrative Functional Gastroenterology Research Center, Isfahan University of Medical Sciences, Isfahan, Iran
| | - Abbas Rezaei
- Department of Immunology, Medical Faculty, Isfahan University of Medical Sciences, Isfahan, Iran
| | - Alireza Andalib
- Department of Immunology, Medical Faculty, Isfahan University of Medical Sciences, Isfahan, Iran
| | - Sibylle Koletzko
- Dr. von Hauner Children’s Hospital, Department of Pediatrics, University Hospital, Ludwig-Maximilians-Universität München, Munich, Germany,SickKids Inflammatory Bowel Disease Center and Cell Biology Program, Research Institute, Hospital for Sick Children, Toronto, Ontario, Canada
| | - Aleixo M Muise
- SickKids Inflammatory Bowel Disease Center and Cell Biology Program, Research Institute, Hospital for Sick Children, Toronto, Ontario, Canada,Division of Gastroenterology, Hepatology and Nutrition, Department of Pediatrics, University of Toronto, Hospital for Sick Children, Toronto, Ontario, Canada,Department of Biochemistry, University of Toronto, Toronto, Ontario, Canada,Division of Gastroenterology, Brigham and Women’s Hospital, Boston, Massachusetts, USA,PEDI-CODE Consortium, Boston, Massachusetts, USA
| | - Scott B Snapper
- Dr. von Hauner Children’s Hospital, Department of Pediatrics, University Hospital, Ludwig-Maximilians-Universität München, Munich, Germany,Division of Gastroenterology, Hepatology and Nutrition, Boston Children’s Hospital, Boston, Massachusetts, USA,Department of Pediatrics, Harvard Medical School, Boston, Massachusetts, USA,SickKids Inflammatory Bowel Disease Center and Cell Biology Program, Research Institute, Hospital for Sick Children, Toronto, Ontario, Canada,VEO-IBD Consortium, Munich, Germany
| | - Christoph Klein
- Dr. von Hauner Children’s Hospital, Department of Pediatrics, University Hospital, Ludwig-Maximilians-Universität München, Munich, Germany,SickKids Inflammatory Bowel Disease Center and Cell Biology Program, Research Institute, Hospital for Sick Children, Toronto, Ontario, Canada
| | - Jay R Thiagarajah
- Department of Pediatrics, Harvard Medical School, Boston, Massachusetts, USA,SickKids Inflammatory Bowel Disease Center and Cell Biology Program, Research Institute, Hospital for Sick Children, Toronto, Ontario, Canada,PEDI-CODE Consortium, Boston, Massachusetts, USA,Address correspondence to: Daniel Kotlarz, MD, PhD, Dr. von Hauner Children’s Hospital, Department of Pediatrics, University Hospital, Ludwig-Maximilians-Universität München, Lindwurmstrasse 4, D-80337 Munich, Germany (); Jay R. Thiagarajah, MD, PhD, Boston Children’s Hospital, Division of Gastroenterology, EN605, 300 Longwood Avenue, Boston, MA 02115, USA ()
| | - Daniel Kotlarz
- Dr. von Hauner Children’s Hospital, Department of Pediatrics, University Hospital, Ludwig-Maximilians-Universität München, Munich, Germany,Division of Gastroenterology, Hepatology and Nutrition, Boston Children’s Hospital, Boston, Massachusetts, USA,Department of Pediatrics, Harvard Medical School, Boston, Massachusetts, USA,SickKids Inflammatory Bowel Disease Center and Cell Biology Program, Research Institute, Hospital for Sick Children, Toronto, Ontario, Canada,Address correspondence to: Daniel Kotlarz, MD, PhD, Dr. von Hauner Children’s Hospital, Department of Pediatrics, University Hospital, Ludwig-Maximilians-Universität München, Lindwurmstrasse 4, D-80337 Munich, Germany (); Jay R. Thiagarajah, MD, PhD, Boston Children’s Hospital, Division of Gastroenterology, EN605, 300 Longwood Avenue, Boston, MA 02115, USA ()
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30
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Ling C, Cui M, Chen J, Xia L, Deng D, Gu Y, Wang P. A novel highly selective fluorescent probe with new chalcone fluorophore for monitoring and imaging endogenous peroxynitrite in living cells and drug-damaged liver tissue. Talanta 2020; 215:120934. [PMID: 32312470 DOI: 10.1016/j.talanta.2020.120934] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/24/2019] [Revised: 03/05/2020] [Accepted: 03/12/2020] [Indexed: 12/17/2022]
Abstract
As a member of the reactive nitrogen species (RNS) family, peroxynitrite (ONOO-) as an oxidant and nitrating mediator plays a significant role in some physiopathologic processes. The excessive production of peroxynitrite anion in a drug-damaged liver is a culprit of hepatotoxicity. The detection of peroxynitrite is of vital importance for the treatment of some diseases including cancer and liver injury. In this study, a novel turn-on fluorescent probe IC-ONOO with new chalcone fluorophore was designed and synthesized for the detection of in vitro and in vivo. The probe responded rapidly towards ONOO- (only within 15 min did the fluorescent intensity maximize), and was endowed with high sensitivity and excellent selectivity. Given the fact that the linear correlation between the fluorescent intensity at 560 nm and the concentrations of the probe ranged from 0 to 9 μM, the limit of detection (LOD) was calculated to be 3.1 × 10-8 M. With all the merits, probe IC-ONOO was qualified as a robust tool to monitor peroxynitrite anion under physiopathologic condition. Moreover, it was successfully applied in the imaging of endogenous peroxynitrite in living MCF-7 cells (Human breast carcinoma cells) and mouse drug-damaged liver tissue with low cytotoxicity. Given all the extraordinary merits, great potential has been seen in its application to other peroxynitrite related diseases.
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Affiliation(s)
- Chen Ling
- School of Pharmacy, China Pharmaceutical University, Nanjing, 210009, China
| | - Mengyuan Cui
- Department of Biomedical Engineering, School of Engineering, China Pharmaceutical University, Nanjing, 210009, China
| | - Jieru Chen
- School of Pharmacy, China Pharmaceutical University, Nanjing, 210009, China
| | - Lili Xia
- Department of Biomedical Engineering, School of Engineering, China Pharmaceutical University, Nanjing, 210009, China
| | - Dawei Deng
- Department of Biomedical Engineering, School of Engineering, China Pharmaceutical University, Nanjing, 210009, China
| | - Yueqing Gu
- Department of Biomedical Engineering, School of Engineering, China Pharmaceutical University, Nanjing, 210009, China
| | - Peng Wang
- Department of Biomedical Engineering, School of Engineering, China Pharmaceutical University, Nanjing, 210009, China; Stake Key Laboratory of Natural and Biomimetic Drugs, Peking University, Beijing, 100191, China.
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31
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Bezner BJ, Ryan LS, Lippert AR. Reaction-Based Luminescent Probes for Reactive Sulfur, Oxygen, and Nitrogen Species: Analytical Techniques and Recent Progress. Anal Chem 2019; 92:309-326. [DOI: 10.1021/acs.analchem.9b04990] [Citation(s) in RCA: 65] [Impact Index Per Article: 13.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
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32
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Comparison of Mitochondrial Superoxide Detection Ex Vivo/In Vivo by mitoSOX HPLC Method with Classical Assays in Three Different Animal Models of Oxidative Stress. Antioxidants (Basel) 2019; 8:antiox8110514. [PMID: 31661873 PMCID: PMC6912540 DOI: 10.3390/antiox8110514] [Citation(s) in RCA: 21] [Impact Index Per Article: 4.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/18/2019] [Revised: 10/17/2019] [Accepted: 10/24/2019] [Indexed: 12/21/2022] Open
Abstract
Background: Reactive oxygen and nitrogen species (RONS such as H2O2, nitric oxide) are generated within the organism. Whereas physiological formation rates confer redox regulation of essential cellular functions and provide the basis for adaptive stress responses, their excessive formation contributes to impaired cellular function or even cell death, organ dysfunction and severe disease phenotypes of the entire organism. Therefore, quantification of RONS formation and knowledge of their tissue/cell/compartment-specific distribution is of great biological and clinical importance. Methods: Here, we used a high-performance/pressure liquid chromatography (HPLC) assay to quantify the superoxide-specific oxidation product of the mitochondria-targeted fluorescence dye triphenylphosphonium-linked hydroethidium (mitoSOX) in biochemical systems and three animal models with established oxidative stress. Type 1 diabetes (single injection of streptozotocin), hypertension (infusion of angiotensin-II for 7 days) and nitrate tolerance (infusion of nitroglycerin for 4 days) was induced in male Wistar rats. Results: The usefulness of mitoSOX/HPLC for quantification of mitochondrial superoxide was confirmed by xanthine oxidase activity as well as isolated stimulated rat heart mitochondria in the presence or absence of superoxide scavengers. Vascular function was assessed by isometric tension methodology and was impaired in the rat models of oxidative stress. Vascular dysfunction correlated with increased mitoSOX oxidation but also classical RONS detection assays as well as typical markers of oxidative stress. Conclusion: mitoSOX/HPLC represents a valid method for detection of mitochondrial superoxide formation in tissues of different animal disease models and correlates well with functional parameters and other markers of oxidative stress.
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33
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Solingapuram Sai KK, Bashetti N, Chen X, Norman S, Hines JW, Meka O, Kumar JVS, Devanathan S, Deep G, Furdui CM, Mintz A. Initial biological evaluations of 18F-KS1, a novel ascorbate derivative to image oxidative stress in cancer. EJNMMI Res 2019; 9:43. [PMID: 31101996 PMCID: PMC6525227 DOI: 10.1186/s13550-019-0513-x] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/08/2019] [Accepted: 04/23/2019] [Indexed: 02/07/2023] Open
Abstract
Background Reactive oxygen species (ROS)-induced oxidative stress damages many cellular components such as fatty acids, DNA, and proteins. This damage is implicated in many disease pathologies including cancer and neurodegenerative and cardiovascular diseases. Antioxidants like ascorbate (vitamin C, ascorbic acid) have been shown to protect against the deleterious effects of oxidative stress in patients with cancer. In contrast, other data indicate potential tumor-promoting activity of antioxidants, demonstrating a potential temporal benefit of ROS. However, quantifying real-time tumor ROS is currently not feasible, since there is no way to directly probe global tumor ROS. In order to study this ROS-induced damage and design novel therapeutics to prevent its sequelae, the quantitative nature of positron emission tomography (PET) can be harnessed to measure in vivo concentrations of ROS. Therefore, our goal is to develop a novel translational ascorbate-based probe to image ROS in cancer in vivo using noninvasive PET imaging of tumor tissue. The real-time evaluations of ROS state can prove critical in developing new therapies and stratifying patients to therapies that are affected by tumor ROS. Methods We designed, synthesized, and characterized a novel ascorbate derivative (E)-5-(2-chloroethylidene)-3-((4-(2-fluoroethoxy)benzyl)oxy)-4-hydroxyfuran-2(5H)-one (KS1). We used KS1 in an in vitro ROS MitoSOX-based assay in two different head and neck squamous cancer cells (HNSCC) that express different ROS levels, with ascorbate as reference standard. We radiolabeled 18F-KS1 following 18F-based nucleophilic substitution reactions and determined in vitro reactivity and specificity of 18F-KS1 in HNSCC and prostate cancer (PCa) cells. MicroPET imaging and standard biodistribution studies of 18F-KS1 were performed in mice bearing PCa cells. To further demonstrate specificity, we performed microPET blocking experiments using nonradioactive KS1 as a blocker. Results KS1 was synthesized and characterized using 1H NMR spectra. MitoSOX assay demonstrated good correlations between increasing concentrations of KS1 and ascorbate and increased reactivity in SCC-61 cells (with high ROS levels) versus rSCC-61cells (with low ROS levels). 18F-KS1 was radiolabeled with high radiochemical purity (> 94%) and specific activity (~ 100 GBq/μmol) at end of synthesis (EOS). Cell uptake of 18F-KS1 was high in both types of cancer cells, and the uptake was significantly blocked by nonradioactive KS1, and the ROS blocker, superoxide dismutase (SOD) demonstrating specificity. Furthermore, 18F-KS1 uptake was increased in PCa cells under hypoxic conditions, which have been shown to generate high ROS. Initial in vivo tumor uptake studies in PCa tumor-bearing mice demonstrated that 18F-KS1 specifically bound to tumor, which was significantly blocked (threefold) by pre-injecting unlabeled KS1. Furthermore, biodistribution studies in the same tumor-bearing mice showed high tumor to muscle (target to nontarget) ratios. Conclusion This work demonstrates the strong preliminary support of 18F-KS1, both in vitro and in vivo for imaging ROS in cancer. If successful, this work will provide a new paradigm to directly probe real-time oxidative stress levels in vivo. Our work could enhance precision medicine approaches to treat cancer, as well as neurodegenerative and cardiovascular diseases affected by ROS. Electronic supplementary material The online version of this article (10.1186/s13550-019-0513-x) contains supplementary material, which is available to authorized users.
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Affiliation(s)
| | - Nagaraju Bashetti
- Department of Chemistry, Koneru Lakshmaiah Education Foundation, Guntur, Andhra Pradesh, 522502, India
| | - Xiaofei Chen
- Department of Internal Medicine, Section on Molecular Medicine, Wake Forest School of Medicine, Winston Salem, NC, 27157, USA
| | - Skylar Norman
- Department of Radiology, Wake Forest School of Medicine, Winston Salem, NC, 27157, USA
| | - Justin W Hines
- Department of Radiology, Wake Forest School of Medicine, Winston Salem, NC, 27157, USA
| | - Omsai Meka
- Department of Radiology, Wake Forest School of Medicine, Winston Salem, NC, 27157, USA
| | - J V Shanmukha Kumar
- Department of Chemistry, Koneru Lakshmaiah Education Foundation, Guntur, Andhra Pradesh, 522502, India
| | | | - Gagan Deep
- Department of Cancer Biology, Wake Forest School of Medicine, Winston Salem, NC, 27157, USA
| | - Cristina M Furdui
- Department of Internal Medicine, Section on Molecular Medicine, Wake Forest School of Medicine, Winston Salem, NC, 27157, USA
| | - Akiva Mintz
- Department of Radiology, Columbia University Irving Medical Center, New York, NY, 10032, USA
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34
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Prolo C, Rios N, Piacenza L, Álvarez MN, Radi R. Fluorescence and chemiluminescence approaches for peroxynitrite detection. Free Radic Biol Med 2018; 128:59-68. [PMID: 29454880 DOI: 10.1016/j.freeradbiomed.2018.02.017] [Citation(s) in RCA: 52] [Impact Index Per Article: 8.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/29/2017] [Revised: 02/07/2018] [Accepted: 02/12/2018] [Indexed: 12/23/2022]
Abstract
In the last two decades, there has been a significant advance in understanding the biochemistry of peroxynitrite, an endogenously-produced oxidant and nucleophile. Its relevance as a mediator in several pathologic states and the aging process together with its transient character and low steady-state concentration, motivated the development of a variety of techniques for its unambiguous detection and estimation. Among these, fluorescence and chemiluminescence approaches have represented important tools with enhanced sensitivity but usual limited specificity. In this review, we analyze selected examples of molecular probes that permit the detection of peroxynitrite by fluorescence and chemiluminescence, disclosing their mechanism of reaction with either peroxynitrite or peroxynitrite-derived radicals. Indeed, probes have been divided into 1) redox probes that yield products by a free radical mechanism, and 2) electrophilic probes that evolve to products secondary to the nucleophilic attack by peroxynitrite. Overall, boronate-based compounds are emerging as preferred probes for the sensitive and specific detection and quantitation. Moreover, novel strategies involving genetically-modified fluorescent proteins with the incorporation of unnatural amino acids have been recently described as peroxynitrite sensors. This review analyzes the most commonly used fluorescence and chemiluminescence approaches for peroxynitrite detection and provides some guidelines for appropriate experimental design and data interpretation, including how to estimate peroxynitrite formation rates in cells.
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Affiliation(s)
- Carolina Prolo
- Departamento de Bioquímica, Facultad de Medicina, Universidad de la República, Montevideo, Uruguay; Center for Free Radical and Biomedical Research, Facultad de Medicina, Universidad de la República, Montevideo, Uruguay
| | - Natalia Rios
- Departamento de Bioquímica, Facultad de Medicina, Universidad de la República, Montevideo, Uruguay; Center for Free Radical and Biomedical Research, Facultad de Medicina, Universidad de la República, Montevideo, Uruguay
| | - Lucia Piacenza
- Departamento de Bioquímica, Facultad de Medicina, Universidad de la República, Montevideo, Uruguay; Center for Free Radical and Biomedical Research, Facultad de Medicina, Universidad de la República, Montevideo, Uruguay
| | - María Noel Álvarez
- Departamento de Bioquímica, Facultad de Medicina, Universidad de la República, Montevideo, Uruguay; Center for Free Radical and Biomedical Research, Facultad de Medicina, Universidad de la República, Montevideo, Uruguay
| | - Rafael Radi
- Departamento de Bioquímica, Facultad de Medicina, Universidad de la República, Montevideo, Uruguay; Center for Free Radical and Biomedical Research, Facultad de Medicina, Universidad de la República, Montevideo, Uruguay.
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Liu JL, Xue Q, Liu CG, Bai FW, Wada S, Wang JY. Chemiluminescence imaging of UVA induced reactive oxygen species in mouse skin using L-012 as a probe. Free Radic Res 2018; 52:1424-1431. [DOI: 10.1080/10715762.2018.1500019] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/28/2022]
Affiliation(s)
- Jiao-Li Liu
- School of Biomedical Engineering, Shanghai Jiao Tong University, Shanghai, China
| | - Qiao Xue
- No. 2 High School Affiliated to East China Normal University, Zizhu, China
| | - Chen-Guang Liu
- School of Life Sciences, Shanghai Jiao Tong University, Shanghai, China
| | - Feng-Wu Bai
- School of Life Sciences, Shanghai Jiao Tong University, Shanghai, China
| | | | - Jin-Ye Wang
- School of Biomedical Engineering, Shanghai Jiao Tong University, Shanghai, China
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SK M, Nandi S, Singh RK, Trivedi V, Biswas S. Selective Sensing of Peroxynitrite by Hf-Based UiO-66-B(OH)2 Metal–Organic Framework: Applicability to Cell Imaging. Inorg Chem 2018; 57:10128-10136. [DOI: 10.1021/acs.inorgchem.8b01310] [Citation(s) in RCA: 26] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/08/2023]
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Shen Y, Zhang X, Zhang Y, Li H, Dai L, Peng X, Peng Z, Xie Y. A fluorescent sensor for fast detection of peroxynitrite by removing of C=N in a benzothiazole derivative. Anal Chim Acta 2018. [DOI: 10.1016/j.aca.2018.01.046] [Citation(s) in RCA: 29] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/08/2023]
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38
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Guo Y, Lu G, Zhuo J, Wang J, Li X, Zhang Z. A visible-near-infrared fluorescent probe for peroxynitrite with large pseudo-Stokes and emission shift via through-bond energy and charge transfers controlled by energy matching. J Mater Chem B 2018; 6:2489-2496. [PMID: 32254466 DOI: 10.1039/c8tb00452h] [Citation(s) in RCA: 24] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/04/2023]
Abstract
We reported a visible-near-infrared fluorescent probe for peroxynitrite detection with large pseudo-Stokes and emission shifts, based on through-bond energy transfer (TBET) in combination with intramolecular charge transfer (ICT). Pyrene was chosen as a fluorophore (acceptor), which has monomer/excimer fluorescence characteristics. A conjugated 1,2-dimethylenehydrazine structure was a linker and phenyl boronate was selected as a reaction site (donor) to design the probe (Py-PhB) using the chemical transformation from boronate to phenol, which results in the increase of the energy of the donor to match the energy of the acceptor and simultaneously achieves TBET and ICT between the donor (phenolate) and the acceptor (pyrene), leading to a fluorescence 'OFF-ON' in a red-shifted region and a large emission shift. The results show that the probe exhibits high selectivity to ONOO- with a detection limit of 3.54 μM. Favorable ICT from phenolate to pyrene makes the probe possess a large monomer emission shift (183 nm), red-shifted to organe-red light (598 nm). TBET ensures the probe with a large pseudo-Stokes shift of 244 nm. Furthermore, its excimer emits a near-infrared light (720 nm), which is extremely beneficial for bioimaging. In short, this probe offers a novel design strategy for designing the TBET fluorescent sensors emitting red or NIR light with large pseudo-Stokes and emission shifts.
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Affiliation(s)
- Yuxin Guo
- School of Chemical Engineering, University of Science and Technology Liaoning, 185 Qianshan Zhong Road, Anshan, Liaoning 114051, P. R. China.
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39
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Oelze M, Welschof P, Knorr M, Tran LP, Ullmann E, Stamm P, Kröller-Schön S, Jansen T, Kopp M, Schulz E, Gori T, Burgin K, Scherhag A, Sartor D, Münzel T, Daiber A. Basic in vitro Characterization of the Vasodilatory Potential of 2-Aminoethyl Nitrate Fixed-Dose Combinations with Cilostazol, Metoprolol and Valsartan. Pharmacology 2017; 101:54-63. [PMID: 28988245 DOI: 10.1159/000480434] [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: 05/30/2017] [Accepted: 08/16/2017] [Indexed: 11/19/2022]
Abstract
BACKGROUND/AIMS 2-aminoethyl nitrate (CLC-1011) is a member of the class of organic nitrates that cause vasodilation by the generation of nitric oxide (•NO). These drugs are mainly used for the treatment of angina pectoris and ischemic heart disease. The aim of this study was to characterize the vasodilatory potency of this organic nitrate alone and in combination with clinically established cardiovascular drugs. METHODS Vasodilation by CLC-1011 was tested by isometric tension studies, either alone or combined with cilostazol, valsartan, and metoprolol. Induction of oxidative stress in isolated heart mitochondria was measured by enhanced chemiluminescence. Bioactivation of CLC-1011 in aortic tissue was measured by electron paramagnetic resonance spectroscopy using an iron-based spin trap for •NO. RESULTS We observed potent vasodilation by CLC-1011 and additive effects for all three drug combinations. In contrast to nitroglycerin (GTN), CLC-1011 did not stimulate mitochondrial oxidative stress. CLC-1011 was bioactivated to •NO in aortic tissue. CONCLUSION In summary, the experiments described in this report demonstrate that CLC-1011 does not induce oxidative stress, is a more potent vasodilator than isosorbide-5-mononitrate and dinitrate ISDN, and displays synergistic vasodilation with other cardiovascular drugs. CLC-1011 fixed dose combinations could be used in the management of cardiovascular diseases.
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Affiliation(s)
- Matthias Oelze
- Center for Cardiology, Cardiology I, University Medical Center Mainz, Mainz, Germany
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40
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Daiber A, Oelze M, Steven S, Kröller-Schön S, Münzel T. Taking up the cudgels for the traditional reactive oxygen and nitrogen species detection assays and their use in the cardiovascular system. Redox Biol 2017; 12:35-49. [PMID: 28212522 PMCID: PMC5312509 DOI: 10.1016/j.redox.2017.02.001] [Citation(s) in RCA: 46] [Impact Index Per Article: 6.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/30/2016] [Revised: 01/30/2017] [Accepted: 02/01/2017] [Indexed: 02/08/2023] Open
Abstract
Reactive oxygen and nitrogen species (RONS such as H2O2, nitric oxide) confer redox regulation of essential cellular functions (e.g. differentiation, proliferation, migration, apoptosis), initiate and catalyze adaptive stress responses. In contrast, excessive formation of RONS caused by impaired break-down by cellular antioxidant systems and/or insufficient repair of the resulting oxidative damage of biomolecules may lead to appreciable impairment of cellular function and in the worst case to cell death, organ dysfunction and severe disease phenotypes of the entire organism. Therefore, the knowledge of the severity of oxidative stress and tissue specific localization is of great biological and clinical importance. However, at this level of investigation quantitative information may be enough. For the development of specific drugs, the cellular and subcellular localization of the sources of RONS or even the nature of the reactive species may be of great importance, and accordingly, more qualitative information is required. These two different philosophies currently compete with each other and their different needs (also reflected by different detection assays) often lead to controversial discussions within the redox research community. With the present review we want to shed some light on these different philosophies and needs (based on our personal views), but also to defend some of the traditional assays for the detection of RONS that work very well in our hands and to provide some guidelines how to use and interpret the results of these assays. We will also provide an overview on the "new assays" with a brief discussion on their strengths but also weaknesses and limitations.
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Affiliation(s)
- Andreas Daiber
- Laboratory of Molecular Cardiology, Center of Cardiology, Cardiology 1, Medical Center of the Johannes Gutenberg University, Mainz, Germany.
| | - Matthias Oelze
- Laboratory of Molecular Cardiology, Center of Cardiology, Cardiology 1, Medical Center of the Johannes Gutenberg University, Mainz, Germany
| | - Sebastian Steven
- Laboratory of Molecular Cardiology, Center of Cardiology, Cardiology 1, Medical Center of the Johannes Gutenberg University, Mainz, Germany
| | - Swenja Kröller-Schön
- Laboratory of Molecular Cardiology, Center of Cardiology, Cardiology 1, Medical Center of the Johannes Gutenberg University, Mainz, Germany
| | - Thomas Münzel
- Laboratory of Molecular Cardiology, Center of Cardiology, Cardiology 1, Medical Center of the Johannes Gutenberg University, Mainz, Germany
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41
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Fan N, Silverman SM, Liu Y, Wang X, Kim BJ, Tang L, Clark AF, Liu X, Pang IH. Rapid repeatable in vivo detection of retinal reactive oxygen species. Exp Eye Res 2017; 161:71-81. [PMID: 28603016 DOI: 10.1016/j.exer.2017.06.004] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/09/2016] [Revised: 06/02/2017] [Accepted: 06/05/2017] [Indexed: 12/11/2022]
Abstract
Oxidative injuries, such as those related to reactive oxygen species (ROS), have been implicated in various retinal and optic nerve disorders. Many ROS detection methods have been developed. Although widely utilized, many of these methods are useful only in post mortem tissues, or require relatively expensive equipment, or involve intraocular injection. In the present study, we demonstrated and characterized a chemiluminescent probe L-012 as a noninvasive, in vivo ROS detection agent in the mouse retina. Using optic nerve crush (ONC) and retinal ischemia/reperfusion (I/R) as injury models, we show that L-012 produced intensive luminescent signals specifically in the injured eyes. Histological examination showed that L-012 administration was safe to the retina. Additionally, compounds that reduce tissue superoxide levels, apocynin and TEMPOL, decreased injury-induced L-012 chemiluminescence. The decrease in L-012 signals correlated with their protective effects against retinal I/R-induced morphological and functional changes in the retina. Together, these data demonstrate the feasibility of a fast, simple, reproducible, and non-invasive detection method to monitor in vivo ROS in the retina. Furthermore, the results also show that reduction of ROS is a potential therapeutic approach for protection from these retinal injuries.
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Affiliation(s)
- Ning Fan
- Shenzhen Eye Hospital, Shenzhen Key Laboratory of Ophthalmology, Jinan University, Shenzhen, China; North Texas Eye Research Institute, University of North Texas Health Science Center, Fort Worth, TX, USA; Department of Pharmaceutical Sciences, University of North Texas Health Science Center, Fort Worth, TX, USA
| | - Sean M Silverman
- North Texas Eye Research Institute, University of North Texas Health Science Center, Fort Worth, TX, USA
| | - Yang Liu
- North Texas Eye Research Institute, University of North Texas Health Science Center, Fort Worth, TX, USA; Department of Pharmaceutical Sciences, University of North Texas Health Science Center, Fort Worth, TX, USA
| | - Xizhen Wang
- Shenzhen Eye Hospital, Shenzhen Key Laboratory of Ophthalmology, Jinan University, Shenzhen, China
| | - Byung-Jin Kim
- North Texas Eye Research Institute, University of North Texas Health Science Center, Fort Worth, TX, USA; Department of Pharmaceutical Sciences, University of North Texas Health Science Center, Fort Worth, TX, USA
| | - Liping Tang
- Department of Bioengineering, University of Texas at Arlington, Arlington, TX, USA
| | - Abbot F Clark
- North Texas Eye Research Institute, University of North Texas Health Science Center, Fort Worth, TX, USA
| | - Xuyang Liu
- Shenzhen Eye Hospital, Shenzhen Key Laboratory of Ophthalmology, Jinan University, Shenzhen, China
| | - Iok-Hou Pang
- North Texas Eye Research Institute, University of North Texas Health Science Center, Fort Worth, TX, USA; Department of Pharmaceutical Sciences, University of North Texas Health Science Center, Fort Worth, TX, USA.
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42
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Li N, Wang JB, Zhao YL, Zhang L, Ma XB, Li XF, Song J, Yang X, Xiao XH, Tian J, Kang TG. Liver Protective and Reactive Oxygen Species Scavenging
Effects of Emodin in Lipopolysaccharide/Bacillus Calmette
Guerin-injured Mice by Optical Molecular Imaging. INT J PHARMACOL 2017. [DOI: 10.3923/ijp.2017.175.182] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022]
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43
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Fluorescent real-time quantitative measurements of intracellular peroxynitrite generation and inhibition. Anal Biochem 2017; 520:44-48. [PMID: 28063851 DOI: 10.1016/j.ab.2017.01.001] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/10/2016] [Revised: 11/15/2016] [Accepted: 01/03/2017] [Indexed: 12/19/2022]
Abstract
Peroxynitrite (ONOO-), a strong oxidant species, is produced by the reaction of nitric oxide (NO) and superoxide (O2.-) radicals. It plays an important role as a biological regulator in numbers of physiological and pathological processes. In this study, we developed fluorescence-based real-time quantitative measurements to detect intracellular ONOO-. The probe DAX-J2 PON Green showed high selectivity toward ONOO- over other competing species, and has been successfully applied in microplate reader and flow cytometer to quantitatively measure endogenous ONOO- production. Moreover, the results demonstrated the inhibitory effects of curcumin on intracellular ONOO- generation.
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44
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DellaValle B, Hempel C, Staalsoe T, Johansen FF, Kurtzhals JAL. Glucagon-like peptide-1 analogue, liraglutide, in experimental cerebral malaria: implications for the role of oxidative stress in cerebral malaria. Malar J 2016; 15:427. [PMID: 27554094 PMCID: PMC4995661 DOI: 10.1186/s12936-016-1486-0] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/29/2016] [Accepted: 08/11/2016] [Indexed: 02/06/2023] Open
Abstract
BACKGROUND Cerebral malaria from Plasmodium falciparum infection is major cause of death in the tropics. The pathogenesis of the disease is complex and the contribution of reactive oxygen and nitrogen species (ROS/RNS) in the brain is incompletely understood. Insulinotropic glucagon-like peptide-1 (GLP-1) mimetics have potent neuroprotective effects in animal models of neuropathology associated with ROS/RNS dysfunction. This study investigates the effect of the GLP-1 analogue, liraglutide against the clinical outcome of experimental cerebral malaria (ECM) and Plasmodium falciparum growth. Furthermore the role of oxidative stress on ECM pathogenesis is evaluated. METHODS ECM was induced in Plasmodium berghei ANKA-infected C57Bl/6j mice. Infected Balb/c (non-cerebral malaria) and uninfected C57Bl/6j mice were included as controls. Mice were treated twice-daily with vehicle or liraglutide (200 μg/kg). ROS/RNS were quantified with in vivo imaging and further analyzed ex vivo. Brains were assayed for cAMP, activation of cAMP response element binding protein (CREB) and nitrate/nitrite. Plasmodium falciparum was cultivated in vitro with increasing doses of liraglutide and growth and metabolism were quantified. RESULTS The development and progression of ECM was not affected by liraglutide. Indeed, although ROS/RNS were increased in peripheral organs, ROS/RNS generation was not present in the brain. Interestingly, CREB was activated in the ECM brain and may protect against ROS/RNS stress. Parasite growth was not adversely affected by liraglutide in mice or in P. falciparum cultures indicating safety should not be a concern in type-II diabetics in endemic regions. CONCLUSIONS Despite the breadth of models where GLP-1 is neuroprotective, ECM was not affected by liraglutide providing important insight into the pathogenesis of ECM. Furthermore, ECM does not induce excess ROS/RNS in the brain potentially associated with activation of the CREB system.
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Affiliation(s)
- Brian DellaValle
- Department of Immunology and Microbiology, Centre for Medical Parasitology, University of Copenhagen, Copenhagen, Denmark. .,Department of Biomedical Sciences, Biotech Research and Innovation Center, Faculty of Health Sciences, University of Copenhagen, Copenhagen, Denmark. .,Department of Clinical Microbiology, Copenhagen University Hospital, Copenhagen, Denmark.
| | - Casper Hempel
- Department of Immunology and Microbiology, Centre for Medical Parasitology, University of Copenhagen, Copenhagen, Denmark.,Department of Clinical Microbiology, Copenhagen University Hospital, Copenhagen, Denmark
| | - Trine Staalsoe
- Department of Immunology and Microbiology, Centre for Medical Parasitology, University of Copenhagen, Copenhagen, Denmark.,Department of Clinical Microbiology, Copenhagen University Hospital, Copenhagen, Denmark
| | - Flemming Fryd Johansen
- Department of Biomedical Sciences, Biotech Research and Innovation Center, Faculty of Health Sciences, University of Copenhagen, Copenhagen, Denmark
| | - Jørgen Anders Lindholm Kurtzhals
- Department of Immunology and Microbiology, Centre for Medical Parasitology, University of Copenhagen, Copenhagen, Denmark.,Department of Clinical Microbiology, Copenhagen University Hospital, Copenhagen, Denmark
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45
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La Favor JD, Burnett AL. A microdialysis method to measure in vivo hydrogen peroxide and superoxide in various rodent tissues. Methods 2016; 109:131-140. [PMID: 27452801 DOI: 10.1016/j.ymeth.2016.07.012] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/21/2016] [Revised: 07/18/2016] [Accepted: 07/20/2016] [Indexed: 01/07/2023] Open
Abstract
Reactive oxygen species (ROS) play a critical role in cell signaling and disease pathogenesis. Despite their biological importance, assessment of ROS often involves measurement of indirect byproducts or measurement of ROS from excised tissue. Herein, we describe a microdialysis technique that utilizes the Amplex Ultrared assay to directly measure hydrogen peroxide (H2O2) and superoxide in tissue of living, anesthetized rats and mice. We demonstrate the application of this methodology in the penis, adipose tissue, skeletal muscle, kidney, and liver. We provide data demonstrating the impact of important methodological considerations such as membrane length, perfusion rate, and time-dependence upon probe insertion. In this report, we provide a complete list of equipment, troubleshooting tips, and suggestions for implementing this technique in a new system. The data herein demonstrate the feasibility of measuring both in vivo H2O2 and superoxide in the extracellular environment of various rodent tissues, providing a technique with potential application to a vast array of disease states which are subject to oxidative stress.
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Affiliation(s)
- Justin D La Favor
- The James Buchanan Brady Urological Institute and Department of Urology, The Johns Hopkins School of Medicine, Baltiore, MD, United States.
| | - Arthur L Burnett
- The James Buchanan Brady Urological Institute and Department of Urology, The Johns Hopkins School of Medicine, Baltiore, MD, United States
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46
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Mikhed Y, Fahrer J, Oelze M, Kröller-Schön S, Steven S, Welschof P, Zinßius E, Stamm P, Kashani F, Roohani S, Kress JM, Ullmann E, Tran LP, Schulz E, Epe B, Kaina B, Münzel T, Daiber A. Nitroglycerin induces DNA damage and vascular cell death in the setting of nitrate tolerance. Basic Res Cardiol 2016; 111:52. [DOI: 10.1007/s00395-016-0571-4] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/19/2015] [Revised: 06/07/2016] [Accepted: 06/21/2016] [Indexed: 12/13/2022]
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47
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He R, Tang H, Jiang D, Chen HY. Electrochemical Visualization of Intracellular Hydrogen Peroxide at Single Cells. Anal Chem 2016; 88:2006-9. [DOI: 10.1021/acs.analchem.6b00150] [Citation(s) in RCA: 53] [Impact Index Per Article: 6.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/27/2023]
Affiliation(s)
- Ruiqin He
- The State
Key Lab of Analytical Chemistry for Life Science, School of Chemistry
and Chemical Engineering, Nanjing University, Nanjing, Jiangsu 210093, China
| | - Huifen Tang
- The State
Key Lab of Analytical Chemistry for Life Science, School of Chemistry
and Chemical Engineering, Nanjing University, Nanjing, Jiangsu 210093, China
| | - Dechen Jiang
- The State
Key Lab of Analytical Chemistry for Life Science, School of Chemistry
and Chemical Engineering, Nanjing University, Nanjing, Jiangsu 210093, China
| | - Hong-yuan Chen
- The State
Key Lab of Analytical Chemistry for Life Science, School of Chemistry
and Chemical Engineering, Nanjing University, Nanjing, Jiangsu 210093, China
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48
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Melcher RLJ, Moerschbacher BM. An improved microtiter plate assay to monitor the oxidative burst in monocot and dicot plant cell suspension cultures. PLANT METHODS 2016; 12:5. [PMID: 26819624 PMCID: PMC4729151 DOI: 10.1186/s13007-016-0110-1] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/10/2015] [Accepted: 01/14/2016] [Indexed: 05/20/2023]
Abstract
BACKGROUND A screening method for elicitor and priming agents does not only allow detecting new bioactive substances, it can also be used to understand structure-function relationships of known agents by testing different derivatives of them. This can not only provide new lead compounds for the development of novel, more environment-benign, bio-based agro-chemicals, it may eventually also lead to a better understanding of defense mechanisms in plants. Reactive oxygen species (ROS) are sensitive indicators of these mechanisms but current assay formats are not suitable for multiplex screening, in particularly not in the case of monocot systems. RESULTS Here we describe continuous monitoring of ROS in 96-well microtiter plates using the chemiluminescent probe L012, a luminol derivative producing chemiluminescence when oxidised by ROS like hydrogen peroxide, superoxide, or hydroxyl radical that can thus be used as an indicator for these ROS. We were able to measure ROS in both monocot (Oryza sativa) and dicot (Medicago truncatula) cell suspension cultures and record dose dependencies for the carbohydrate elicitors and priming agents ulvan and chitosan at low substrate concentrations (0.3-2.5 µg/ml). The method was optimized in terms of cell density, L012 concentration, and pre-incubation time. In contrast to the single peak observed using a cuvette luminometer, the improved method revealed a double burst in both cell systems during the 90-min measuring period, probably due to the detection of multiple ROS rather than only H2O2. CONCLUSION We provide a medium throughput screening method for monocot and dicot suspension-cultured cells that enables direct comparison of monocot and dicot plant systems regarding their reaction to different signaling molecules.
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Affiliation(s)
- Rebecca L. J. Melcher
- Institute for Biology and Biotechnology of Plants, University of Münster, Schlossplatz 8, 48143 Münster, Germany
| | - Bruno M. Moerschbacher
- Institute for Biology and Biotechnology of Plants, University of Münster, Schlossplatz 8, 48143 Münster, Germany
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49
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Lee ES, Deepagan VG, You DG, Jeon J, Yi GR, Lee JY, Lee DS, Suh YD, Park JH. Nanoparticles based on quantum dots and a luminol derivative: implications for in vivo imaging of hydrogen peroxide by chemiluminescence resonance energy transfer. Chem Commun (Camb) 2016; 52:4132-5. [DOI: 10.1039/c5cc09850e] [Citation(s) in RCA: 54] [Impact Index Per Article: 6.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/04/2023]
Abstract
Hybrid nanoparticles allow for imaging hydrogen peroxide via chemiluminescence resonance energy transfer in the near-infrared wavelength range.
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Affiliation(s)
- Eun Sook Lee
- Department of Health Sciences and Technology
- SAIHST
- Sungkyunkwan University
- Suwon 440-746
- Republic of Korea
| | - V. G. Deepagan
- Department of Polymer Science and Engineering
- Sungkyunkwan University
- Suwon 440-746
- Republic of Korea
| | - Dong Gil You
- School of Chemical Engineering
- Sungkyunkwan University
- Suwon 440-746
- Republic of Korea
| | - Jueun Jeon
- School of Chemical Engineering
- Sungkyunkwan University
- Suwon 440-746
- Republic of Korea
| | - Gi-Ra Yi
- School of Chemical Engineering
- Sungkyunkwan University
- Suwon 440-746
- Republic of Korea
| | - Jung Young Lee
- School of Chemical Engineering
- Sungkyunkwan University
- Suwon 440-746
- Republic of Korea
| | - Doo Sung Lee
- School of Chemical Engineering
- Sungkyunkwan University
- Suwon 440-746
- Republic of Korea
| | - Yung Doug Suh
- Research Center for Convergence Nanobiotechnology (RC2NT)
- Korea Research Institute of Chemical Technology (KRICT)
- Daejeon 305-600
- Republic of Korea
- School of Chemical Engineering
| | - Jae Hyung Park
- Department of Health Sciences and Technology
- SAIHST
- Sungkyunkwan University
- Suwon 440-746
- Republic of Korea
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50
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Daiber A, Münzel T. Organic Nitrate Therapy, Nitrate Tolerance, and Nitrate-Induced Endothelial Dysfunction: Emphasis on Redox Biology and Oxidative Stress. Antioxid Redox Signal 2015; 23:899-942. [PMID: 26261901 PMCID: PMC4752190 DOI: 10.1089/ars.2015.6376] [Citation(s) in RCA: 107] [Impact Index Per Article: 11.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/04/2023]
Abstract
Organic nitrates, such as nitroglycerin (GTN), isosorbide-5-mononitrate and isosorbide dinitrate, and pentaerithrityl tetranitrate (PETN), when given acutely, have potent vasodilator effects improving symptoms in patients with acute and chronic congestive heart failure, stable coronary artery disease, acute coronary syndromes, or arterial hypertension. The mechanisms underlying vasodilation include the release of •NO or a related compound in response to intracellular bioactivation (for GTN, the mitochondrial aldehyde dehydrogenase [ALDH-2]) and activation of the enzyme, soluble guanylyl cyclase. Increasing cyclic guanosine-3',-5'-monophosphate (cGMP) levels lead to an activation of the cGMP-dependent kinase I, thereby causing the relaxation of the vascular smooth muscle by decreasing intracellular calcium concentrations. The hemodynamic and anti-ischemic effects of organic nitrates are rapidly lost upon long-term (low-dose) administration due to the rapid development of tolerance and endothelial dysfunction, which is in most cases linked to increased intracellular oxidative stress. Enzymatic sources of reactive oxygen species under nitrate therapy include mitochondria, NADPH oxidases, and an uncoupled •NO synthase. Acute high-dose challenges with organic nitrates cause a similar loss of potency (tachyphylaxis), but with distinct pathomechanism. The differences among organic nitrates are highlighted regarding their potency to induce oxidative stress and subsequent tolerance and endothelial dysfunction. We also address pleiotropic effects of organic nitrates, for example, their capacity to stimulate antioxidant pathways like those demonstrated for PETN, all of which may prevent adverse effects in response to long-term therapy. Based on these considerations, we will discuss and present some preclinical data on how the nitrate of the future should be designed.
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Affiliation(s)
- Andreas Daiber
- The 2nd Medical Clinic, Medical Center of the Johannes Gutenberg University , Mainz, Germany
| | - Thomas Münzel
- The 2nd Medical Clinic, Medical Center of the Johannes Gutenberg University , Mainz, Germany
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