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Zhang J, Wang Z, Zhang R, Lei X, Wang G, Zou P. Hemicyanine-Phenothiazine Based Highly Selective Ratiometric Fluorescent Probes for Detecting Hypochlorite Ion in Fruits, Vegetables and Beverages. J Fluoresc 2024:10.1007/s10895-024-03694-w. [PMID: 38607530 DOI: 10.1007/s10895-024-03694-w] [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: 02/08/2024] [Accepted: 03/26/2024] [Indexed: 04/13/2024]
Abstract
Hypochloric acid (HClO) is a reactive oxygen species (ROS) that functions as a bacteriostatic and disinfectant in food production. Excessive levels of ClO-, however, have been linked to various health issues, including cardiovascular diseases (Halliwell and Gutteridge in Oxford University press, USA, 2015), arthritis, and neurodegenerative diseases (Heinzelmann and Bauer in Biol Chem. 391(6):675-693, 2010). Therefore, synthesizing highly selective and sensitive probes for rapidly detecting endogenous ClO- in daily foods is currently a popular research topic (Kalyanaraman et al. in Redox Biol. 15:347-362, 2018; Winterbourn in Nat Chem Biol. 4(5):278-286, 2008; Turrens in J Physiol. 552(2):335-344, 2003). Thus, we have developed two highly selective ratiometric fluorescent probes (Probe1 and Probe2) based on indole-phenothiazine to detect ClO- in common vegetables, fruits and beverages qualitatively and quantitatively. Moreover, Both Probe1 and Probe2 have shown good specificity and stability, with high fluorescence intensity and long duration (Feng et al. in Adv Sci. 5:1800397, 2018; Wei et al. in Angew Chem. 131(14):4595-4599, 2019; Baruah et al. in J Mater Chem B, 2022).
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Affiliation(s)
- Jinyang Zhang
- College of Science, Sichuan Agricultural University, Ya'an, 625014, People's Republic of China
| | - Zhe Wang
- College of Science, Sichuan Agricultural University, Ya'an, 625014, People's Republic of China
| | - Rui Zhang
- College of Science, Sichuan Agricultural University, Ya'an, 625014, People's Republic of China
| | - Xueli Lei
- College of Science, Sichuan Agricultural University, Ya'an, 625014, People's Republic of China
| | - Guangtu Wang
- College of Science, Sichuan Agricultural University, Ya'an, 625014, People's Republic of China.
| | - Ping Zou
- College of Science, Sichuan Agricultural University, Ya'an, 625014, People's Republic of China.
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2
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Suna G, Erdemir E, Liv L, Karakus AC, Gunturkun D, Ozturk T, Karakuş E. A novel thienothiophene-based "dual-responsive" probe for rapid, selective and sensitive detection of hypochlorite. Talanta 2024; 270:125545. [PMID: 38128280 DOI: 10.1016/j.talanta.2023.125545] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/04/2023] [Revised: 12/08/2023] [Accepted: 12/10/2023] [Indexed: 12/23/2023]
Abstract
BACKGROUND Hypochlorite/hypochlorous acid (ClO-/HOCl) is a biologically crucial reactive oxygen species (ROS), produced in living organisms and has a critical role as an antimicrobial agent in the natural defense system. However, when ClO- is produced excessively, it can lead to the oxidative damage of biomolecules, resulting in organ damage and various diseases. Therefore, it is imperative to have a straightforward, quick and reliable method for over watching the minimum amount of ClO- in different environments. RESULTS Herein, a new probe TTM, containing thienothiophene and malononitrile units, was developed for exceptionally selective and sensitive hypochlorite (ClO-) detection. TTM demonstrated a rapid "turn-on" fluorescence response (<30 s), naked-eye detection (colorimetric), voltammetric read-out with anodic scan, low detection limit (LOD = 0.58 μM and 1.43 μM for optical and electrochemical methods, respectively) and applicability in detecting ClO- in real water samples and living cells. SIGNIFICANCE AND NOVELTY This study represents one of the rare examples of a small thienothiophene-based molecule for both optical and electrochemical detections of ClO- in an aqueous medium.
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Affiliation(s)
- Garen Suna
- Organic Chemistry Laboratory, Chemistry Group, The Scientific & Technological Research Council of Turkey, National Metrology Institute, (TUBITAK UME), 41470, Gebze, Kocaeli, Turkey; Department of Chemistry, Istanbul Technical University, 34469, Maslak, Istanbul, Turkey
| | - Eda Erdemir
- Organic Chemistry Laboratory, Chemistry Group, The Scientific & Technological Research Council of Turkey, National Metrology Institute, (TUBITAK UME), 41470, Gebze, Kocaeli, Turkey; Department of Chemistry, Faculty of Science, Istanbul University, 34134, Beyazit, Istanbul, Turkey
| | - Lokman Liv
- Electrochemistry Laboratory, Chemistry Group, The Scientific & Technological Research Council of Turkey National Metrology Institute, (TUBITAK UME), 41470, Gebze, Kocaeli, Turkey
| | - Aysenur Cataler Karakus
- Organic Chemistry Laboratory, Chemistry Group, The Scientific & Technological Research Council of Turkey, National Metrology Institute, (TUBITAK UME), 41470, Gebze, Kocaeli, Turkey
| | - Dilara Gunturkun
- Department of Chemistry, Istanbul Technical University, 34469, Maslak, Istanbul, Turkey
| | - Turan Ozturk
- Organic Chemistry Laboratory, Chemistry Group, The Scientific & Technological Research Council of Turkey, National Metrology Institute, (TUBITAK UME), 41470, Gebze, Kocaeli, Turkey; Department of Chemistry, Istanbul Technical University, 34469, Maslak, Istanbul, Turkey.
| | - Erman Karakuş
- Organic Chemistry Laboratory, Chemistry Group, The Scientific & Technological Research Council of Turkey, National Metrology Institute, (TUBITAK UME), 41470, Gebze, Kocaeli, Turkey.
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3
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Boles SL, Pantazides BG, Perez JW, Sternberg MR, Crow BS, Blake TA. Establishing Population Values for Chlorine Exposure in the United States (2015-2016) Using 2 Chlorine Biomarkers, 3-Chlorotyrosine and 3,5-Dichlorotyrosine. J Appl Lab Med 2024; 9:342-349. [PMID: 38169366 DOI: 10.1093/jalm/jfad114] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/15/2023] [Accepted: 10/30/2023] [Indexed: 01/05/2024]
Abstract
BACKGROUND In the United States, 12 million short tons of chlorine are manufactured and transported each year. Due to the volume of this volatile chemical, large- and small-scale chemical exposures occur frequently. To diagnose and treat potentially exposed individuals, reference range values for confirmatory biomarkers are required to differentiate between normal and abnormal exposure levels. METHODS Serum surplus samples (n = 1780) from the National Health and Nutrition Examination Survey (NHANES) 2015-2016 were measured for 2 chlorine biomarkers, 3-chlorotyrosine (Cl-Tyr) and 3,5-dichlorotyrosine (Cl2-Tyr), by liquid chromatography coupled to a triple quadrupole mass spectrometer. We evaluated demographic factors associated with elevated biomarker levels. RESULTS Participant samples were analyzed for the chlorine biomarkers Cl-Tyr and Cl2-Tyr. In the unweighted analysis of these samples, 1349 (75.8%) were under the limit of detection (< LOD) of 2.50 ng/mL for Cl-Tyr and 1773 (99.6%) were < LOD for Cl2-Tyr. Samples within the method reportable range were 2.50 to 35.6 ng/mL for Cl-Tyr and 2.69 to 11.2 ng/mL for Cl2-Tyr. Since only 7 of the 1780 participants had detectable Cl2-Tyr, statistical analysis was limited to Cl-Tyr. Of the demographic characteristics examined, age, body mass index (BMI), estimated glomerular filtration rate (eGFR), and sex exhibited statistically significant differences in the weighted prevalence of detectable Cl-Tyr. CONCLUSIONS This is the first reported set of Cl-Tyr and Cl2-Tyr population values for the United States. This population range coupled with NHANES demographic information could help healthcare professionals distinguish between normal and abnormal chlorine biomarker levels in an emergency. With this information, an inference could be made when determining acute chlorine exposure in individuals.
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Affiliation(s)
- Stephanie L Boles
- National Center for Environmental Health, Division of Laboratory Sciences, Centers for Disease Control and Prevention, Atlanta, GA, United States
| | - Brooke G Pantazides
- National Center for Environmental Health, Division of Laboratory Sciences, Centers for Disease Control and Prevention, Atlanta, GA, United States
| | - Jonas W Perez
- National Center for Environmental Health, Division of Laboratory Sciences, Centers for Disease Control and Prevention, Atlanta, GA, United States
| | - Maya R Sternberg
- National Center for Environmental Health, Division of Laboratory Sciences, Centers for Disease Control and Prevention, Atlanta, GA, United States
| | - Brian S Crow
- National Center for Environmental Health, Division of Laboratory Sciences, Centers for Disease Control and Prevention, Atlanta, GA, United States
| | - Thomas A Blake
- National Center for Environmental Health, Division of Laboratory Sciences, Centers for Disease Control and Prevention, Atlanta, GA, United States
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4
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Sultana S, Christeson S, Basiouny M, Rioux J, Veress L, Logue BA. Verification of chlorine exposure via LC-MS/MS analysis of base hydrolyzed chlorophenols from chlorotyrosine-protein adducts. J Chromatogr B Analyt Technol Biomed Life Sci 2024; 1235:124042. [PMID: 38354459 PMCID: PMC10939755 DOI: 10.1016/j.jchromb.2024.124042] [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: 11/30/2023] [Revised: 01/13/2024] [Accepted: 01/31/2024] [Indexed: 02/16/2024]
Abstract
Inhalation of chlorine gas, with subsequent hydrolysis in the airway and lungs to form hydrochloric acid (HCl) and hypochlorous acid (HOCl), can cause pulmonary edema (i.e., fluid build-up in the lungs), pulmonary inflammation (with or without infection), respiratory failure, and death. The HOCl produced from chlorine is known to react with tyrosine to form adducts via electrophilic aromatic substitution, resulting in 3-chlorotyrosine and 3,5-dichlorotyrosine adducts. While several analysis methods are available for determining these adducts, each method has significant disadvantages. Hence, a simple and sensitive ultra-high performance liquid chromatography-tandem mass spectroscopy (UHPLC-MS/MS) method was developed for the determination of chlorotyrosine adducts. The sample preparation involves base hydrolysis of isolated plasma proteins to form 2-chlorophenol (CP) from monochlorotyrosine adducts and 2,6-dichlorophenol (2,6-DCP), from dichlorotyrosine adducts, as markers of chlorine exposure. The chlorophenols are extracted with cyclohexane prior to UHPLC-MS/MS analysis. The method produced excellent sensitivity for 2,6-DCP with a limit of detection of 2.2 μg/kg, calibration curve linearity extending from 0.054-54 mg/kg (R2 ≥ 0.9997 and %RA > 94), and accuracy and precision of 100 ± 14 %, and <15 % relative standard deviation, respectively. The sensitivity of the method for 2-CP was relatively poor, so it was used only as a secondary marker for severe chlorine exposure. The method successfully detected elevated levels of 2,6-DCP from hypochlorite-spiked plasma protein and plasma protein isolated from chlorine-exposed rats.
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Affiliation(s)
- Sharmin Sultana
- Department of Chemistry and Biochemistry, South Dakota State University, Box 2202, Brookings, South Dakota 57007, USA
| | - Sarah Christeson
- Department of Pediatrics-Pulmonary and Sleep Medicine Section, University of Colorado Anschutz Medical Campus, Aurora, CO 80045, USA
| | - Mohamed Basiouny
- Department of Pediatrics-Pulmonary and Sleep Medicine Section, University of Colorado Anschutz Medical Campus, Aurora, CO 80045, USA
| | - Jacqueline Rioux
- Department of Pediatrics-Pulmonary and Sleep Medicine Section, University of Colorado Anschutz Medical Campus, Aurora, CO 80045, USA
| | - Livia Veress
- Department of Pediatrics-Pulmonary and Sleep Medicine Section, University of Colorado Anschutz Medical Campus, Aurora, CO 80045, USA
| | - Brian A Logue
- Department of Chemistry and Biochemistry, South Dakota State University, Box 2202, Brookings, South Dakota 57007, USA.
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5
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Kim SO, Shapiro JP, Cottrill KA, Collins GL, Shanthikumar S, Rao P, Ranganathan S, Stick SM, Orr ML, Fitzpatrick AM, Go YM, Jones DP, Tirouvanziam RM, Chandler JD. Substrate-dependent metabolomic signatures of myeloperoxidase activity in airway epithelial cells: Implications for early cystic fibrosis lung disease. Free Radic Biol Med 2023; 206:180-190. [PMID: 37356776 PMCID: PMC10513041 DOI: 10.1016/j.freeradbiomed.2023.06.021] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/13/2023] [Revised: 06/14/2023] [Accepted: 06/23/2023] [Indexed: 06/27/2023]
Abstract
Myeloperoxidase (MPO) is released by neutrophils in inflamed tissues. MPO oxidizes chloride, bromide, and thiocyanate to produce hypochlorous acid (HOCl), hypobromous acid (HOBr), and hypothiocyanous acid (HOSCN), respectively. These oxidants are toxic to pathogens, but may also react with host cells to elicit biological activity and potential toxicity. In cystic fibrosis (CF) and related diseases, increased neutrophil inflammation leads to increased airway MPO and airway epithelial cell (AEC) exposure to its oxidants. In this study, we investigated how equal dose-rate exposures of MPO-derived oxidants differentially impact the metabolome of human AECs (BEAS-2B cells). We utilized enzymatic oxidant production with rate-limiting glucose oxidase (GOX) coupled to MPO, and chloride, bromide (Br-), or thiocyanate (SCN-) as substrates. AECs exposed to GOX/MPO/SCN- (favoring HOSCN) were viable after 24 h, while exposure to GOX/MPO (favoring HOCl) or GOX/MPO/Br- (favoring HOBr) developed cytotoxicity after 6 h. Cell glutathione and peroxiredoxin-3 oxidation were insufficient to explain these differences. However, untargeted metabolomics revealed GOX/MPO and GOX/MPO/Br- diverged significantly from GOX/MPO/SCN- for dozens of metabolites. We noted methionine sulfoxide and dehydromethionine were significantly increased in GOX/MPO- or GOX/MPO/Br--treated cells, and analyzed them as potential biomarkers of lung damage in bronchoalveolar lavage fluid from 5-year-olds with CF (n = 27). Both metabolites were associated with increasing bronchiectasis, neutrophils, and MPO activity. This suggests MPO production of HOCl and/or HOBr may contribute to inflammatory lung damage in early CF. In summary, our in vitro model enabled unbiased identification of exposure-specific metabolite products which may serve as biomarkers of lung damage in vivo. Continued research with this exposure model may yield additional oxidant-specific biomarkers and reveal explicit mechanisms of oxidant byproduct formation and cellular redox signaling.
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Affiliation(s)
- Susan O Kim
- Department of Pediatrics, Division of Pulmonary, Asthma, Cystic Fibrosis, and Sleep, Emory University, Atlanta, GA, USA
| | - Joseph P Shapiro
- Department of Pediatrics, Division of Pulmonary, Asthma, Cystic Fibrosis, and Sleep, Emory University, Atlanta, GA, USA
| | - Kirsten A Cottrill
- Department of Pediatrics, Division of Pulmonary, Asthma, Cystic Fibrosis, and Sleep, Emory University, Atlanta, GA, USA
| | - Genoah L Collins
- Department of Pediatrics, Division of Pulmonary, Asthma, Cystic Fibrosis, and Sleep, Emory University, Atlanta, GA, USA
| | - Shivanthan Shanthikumar
- Respiratory and Sleep Medicine, Royal Children's Hospital, Parkville, VIC, Australia; Respiratory Diseases, Murdoch Children's Research Institute, Parkville, VIC, Australia; Department of Paediatrics, University of Melbourne, Parkville, VIC, Australia
| | - Padma Rao
- Medical Imaging, Royal Children's Hospital, Parkville, VIC, Australia
| | - Sarath Ranganathan
- Respiratory and Sleep Medicine, Royal Children's Hospital, Parkville, VIC, Australia; Respiratory Diseases, Murdoch Children's Research Institute, Parkville, VIC, Australia; Department of Paediatrics, University of Melbourne, Parkville, VIC, Australia
| | - Stephen M Stick
- Telethon Kids Institute, Perth, Western Australia, Australia
| | - Michael L Orr
- Department of Medicine, Division of Pulmonary, Allergy, Critical Care, and Sleep Medicine, Emory University, Atlanta, GA, USA
| | - Anne M Fitzpatrick
- Department of Pediatrics, Division of Pulmonary, Asthma, Cystic Fibrosis, and Sleep, Emory University, Atlanta, GA, USA; Children's Healthcare of Atlanta, Atlanta, GA, USA
| | - Young-Mi Go
- Department of Medicine, Division of Pulmonary, Allergy, Critical Care, and Sleep Medicine, Emory University, Atlanta, GA, USA
| | - Dean P Jones
- Department of Medicine, Division of Pulmonary, Allergy, Critical Care, and Sleep Medicine, Emory University, Atlanta, GA, USA
| | - Rabindra M Tirouvanziam
- Department of Pediatrics, Division of Pulmonary, Asthma, Cystic Fibrosis, and Sleep, Emory University, Atlanta, GA, USA; Children's Healthcare of Atlanta, Atlanta, GA, USA
| | - Joshua D Chandler
- Department of Pediatrics, Division of Pulmonary, Asthma, Cystic Fibrosis, and Sleep, Emory University, Atlanta, GA, USA; Department of Medicine, Division of Pulmonary, Allergy, Critical Care, and Sleep Medicine, Emory University, Atlanta, GA, USA; Children's Healthcare of Atlanta, Atlanta, GA, USA.
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6
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Cui WB, Wei X, Guo JF, Hao XL, Zou LY, Wang S, Li H, Su ZM, Ren AM. Molecular Design of Highly Efficient Heavy-Atom-free NpImidazole Derivatives for Two-Photon Photodynamic Therapy and ClO - Detection. J Chem Inf Model 2023; 63:4392-4404. [PMID: 37418660 DOI: 10.1021/acs.jcim.3c00819] [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: 07/09/2023]
Abstract
Two-photon photodynamic therapy (TP-PDT), as a treatment technology with deep penetration and less damage, provides a broad prospect for cancer treatment. Nowadays, the development of TP-PDT suffers from the low two-photon absorption (TPA) intensity and short triplet state lifetime of photosensitizers (PSs) used in TP-PDT. Herein, we propose some novel modification strategies based on the thionated NpImidazole (the combination of naphthalimide and imidazole) derivatives to make efforts on those issues and obtain corresponding fluorescent probes for detecting ClO- and excellent PSs for TP-PDT. Density functional theory (DFT) and time-dependent DFT (TD-DFT) are used to help us characterize the photophysical properties and TP-PDT process of the newly designed compounds. Our results show that the introduction of different electron-donating groups at the position 4 of NpImidazole can effectively improve their TPA and emission properties. Specifically, 3s with a N,N-dimethylamino group has a large triplet state lifetime (τ = 699 μs) and TPA cross section value (δTPA = 314 GM), which can effectively achieve TP-PDT; additionally, 4s (with electron-donating group 2-oxa-6-azaspiro[3.3]heptane in NpImidazole) effectively realizes the dual-function of a PS for TP-PDT (τ = 25,122 μs, δTPA = 351 GM) and a fluorescent probe for detecting ClO- (Φf = 29% of the product 4o). Moreover, an important problem is clarified from a microscopic perspective, that is, why the transition property of 3s and 4s (1π-π*) from S1 to S0 is different from that of 1s and 2s (1n-π*). It is hoped that our work can provides valuable theoretical clues for the design and synthesis of heavy-atom-free NpImidazole-based PSs and fluorescent probes for the detection of hypochlorite.
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Affiliation(s)
- Wei-Bo Cui
- Laboratory of Theoretical and Computational Chemistry, Institute of Theoretical Chemistry, College of Chemistry, Jilin University, Liutiao Road #2, Changchun 130061, P. R. China
| | - Xue Wei
- Laboratory of Theoretical and Computational Chemistry, Institute of Theoretical Chemistry, College of Chemistry, Jilin University, Liutiao Road #2, Changchun 130061, P. R. China
| | - Jing-Fu Guo
- School of Physics, Northeast Normal University, Changchun 130024, P. R. China
| | - Xue-Li Hao
- State Key Laboratory of Rare Earth Resource Utililzation, Changchun, Institute of Applied Chemistry, Chinese Academy of Sciences, Changchun 130022, P. R. China
| | - Lu-Yi Zou
- Laboratory of Theoretical and Computational Chemistry, Institute of Theoretical Chemistry, College of Chemistry, Jilin University, Liutiao Road #2, Changchun 130061, P. R. China
| | - Song Wang
- Laboratory of Theoretical and Computational Chemistry, Institute of Theoretical Chemistry, College of Chemistry, Jilin University, Liutiao Road #2, Changchun 130061, P. R. China
| | - Hui Li
- Laboratory of Theoretical and Computational Chemistry, Institute of Theoretical Chemistry, College of Chemistry, Jilin University, Liutiao Road #2, Changchun 130061, P. R. China
| | - Zhong-Min Su
- Laboratory of Theoretical and Computational Chemistry, Institute of Theoretical Chemistry, College of Chemistry, Jilin University, Liutiao Road #2, Changchun 130061, P. R. China
| | - Ai-Min Ren
- Laboratory of Theoretical and Computational Chemistry, Institute of Theoretical Chemistry, College of Chemistry, Jilin University, Liutiao Road #2, Changchun 130061, P. R. China
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7
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Gil D, Choi B, Lee JJ, Lee H, Kim KT, Kim C. A colorimetric/ratiometric chemosensor based on an aggregation-induced emission strategy for tracing hypochlorite in vitro and in vivo. ECOTOXICOLOGY AND ENVIRONMENTAL SAFETY 2023; 257:114954. [PMID: 37105100 DOI: 10.1016/j.ecoenv.2023.114954] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/02/2023] [Revised: 04/21/2023] [Accepted: 04/23/2023] [Indexed: 05/08/2023]
Abstract
Excessive levels of hypochlorite (ClO-) negatively affect environmental and biological systems. Thus, it is essential to develop sensors that can identify ClO- in various systems such as the environment and living organisms. In this study, we report the development and evaluation of a novel aggregation-induced emission (AIE) strategy-based colorimetric and ratiometric fluorescent chemosensor 2,2'-(((1E,1'E)-[2,2'-bithiophene]- 5,5'-diylbis(methanylylidene))bis(hydrazin-1-yl-2-ylidene))bis(N,N,N-trimethyl-2-oxoethan-1-aminium) chloride (BMH-2∙Cl) for detecting ClO-. BMH-2∙Cl enabled highly selective ClO- detection through a color change from yellow to colorless and a fluorescence color change from turquoise to blue in a perfect aqueous solution. BMH-2∙Cl exhibited low limits of detection (2.4 ×10-6 M for colorimetry and 2.9 ×10-7 M for ratiometric fluorescence) for detecting ClO- with a rapid response within 5 s. The detection mechanism for ClO- and an AIE property change of BMH-2∙Cl were demonstrated by 1H NMR titration, ESI-MS, variation of water fraction (fw) and theoretical calculations. In particular, we confirmed not only the practicality of BMH-2∙Cl by using test strips, but also demonstrated the potential for efficient ClO- detection in biological and environmental systems such as real water samples, living zebrafish and bean sprouts.
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Affiliation(s)
- Dongkyun Gil
- Department of New and Renewable Energy Convergence and Fine Chemistry, Seoul National University of Science and Technology, Seoul 01811, Korea
| | - Boeun Choi
- Department of New and Renewable Energy Convergence and Fine Chemistry, Seoul National University of Science and Technology, Seoul 01811, Korea
| | - Jae Jun Lee
- Department of New and Renewable Energy Convergence and Fine Chemistry, Seoul National University of Science and Technology, Seoul 01811, Korea
| | - Hanseul Lee
- Department of Environmental Engineering, Seoul National University of Science and Technology, Seoul 01811, Korea
| | - Ki-Tae Kim
- Department of Environmental Engineering, Seoul National University of Science and Technology, Seoul 01811, Korea.
| | - Cheal Kim
- Department of New and Renewable Energy Convergence and Fine Chemistry, Seoul National University of Science and Technology, Seoul 01811, Korea.
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8
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Huang W, Du X, Zhang C, Zhang S, Zhang J, Yang XF. Rational Design of a Dual-Channel Fluorescent Probe for the Simultaneous Imaging of Hypochlorous Acid and Peroxynitrite in Living Organisms. Anal Chem 2022; 94:17485-17493. [PMID: 36480597 DOI: 10.1021/acs.analchem.2c03661] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Abstract
Hypochlorous acid (HOCl) and peroxynitrite (ONOO-) are two important highly reactive oxygen/nitrogen species, which commonly coexist in biosystems and play pivotal roles in many physiological and pathological processes. To investigate their function and correlations, it is urgently needed to construct chemical tools that can track the production of HOCl and ONOO- in biological systems with distinct fluorescence signals. Here, we found that the coumarin fluorescence of coumarin-benzopyrylium (CB) hydrazides (spirocyclic form) is dim, and their fluorescence properties are controlled by their benzopyran moiety via an intramolecular photo-induced electron transfer (PET) process. Based on this mechanism, we report the development of a fluorescent probe CB2-H for the simultaneous detection of HOCl and ONOO-. ONOO- can selectively oxidize the hydrazide group of CB2-H to afford the parent dye CB2 (Absmax/Emmax = 631/669 nm). In the case of HOCl, it undergoes an electrophilic attack on the benzopyran moiety of CB2-H to give a chlorinated product CB2-H-Cl, which inhibits the PET process within the probe and thus affords a turn-on fluorescence response at the coumarin channel (Absmax/Emmax = 407/468 nm). Due to the marked differences in absorption/emission wavelengths between the HOCl and ONOO- products, CB2-H enables the concurrent detection of HOCl and ONOO- at two independent channels without spectral cross-interference. CB2-H has been applied for dual-channel fluorescence imaging of endogenously produced HOCl and ONOO- in living cells and zebrafish under different stimulants. The present probe provides a useful tool for further exploring the distribution and correlation of HOCl and ONOO- in more biosystems.
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Affiliation(s)
- Wenming Huang
- Key Laboratory of Synthetic and Natural Functional Molecule of the Ministry of Education, College of Chemistry & Materials Science, Northwest University, Xi'an, Shaanxi 710127, P. R. China
| | - Xinmei Du
- Key Laboratory of Synthetic and Natural Functional Molecule of the Ministry of Education, College of Chemistry & Materials Science, Northwest University, Xi'an, Shaanxi 710127, P. R. China
| | - Congjie Zhang
- School of Chemistry & Chemical Engineering, Shaanxi Normal University, Xian, Shaanxi 710062, P. R. China
| | - Shengrui Zhang
- School of Chemistry and Environment Science, Shaanxi University of Technology, Hanzhong, Shaanxi 723000, P. R. China
| | - Jianjian Zhang
- Key Laboratory of Synthetic and Natural Functional Molecule of the Ministry of Education, College of Chemistry & Materials Science, Northwest University, Xi'an, Shaanxi 710127, P. R. China
| | - Xiao-Feng Yang
- Key Laboratory of Synthetic and Natural Functional Molecule of the Ministry of Education, College of Chemistry & Materials Science, Northwest University, Xi'an, Shaanxi 710127, P. R. China
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9
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Ren Z, Qiu Y, Huan M, Liu YD, Zhong R. Identification of chlorinated products from tyrosine and tyrosyl dipeptides during chlorination: a computational study. ENVIRONMENTAL SCIENCE. PROCESSES & IMPACTS 2022; 24:2345-2356. [PMID: 36281824 DOI: 10.1039/d2em00321j] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/16/2023]
Abstract
Chlorinated amino acids and peptides, as the model modified protein structures relevant to pathogen inactivation and an emerging class of disinfection byproducts (DBPs) with potential health risks to humans, have attracted much attention. However, due to a large variety of peptides (over 600) identified in source water and most of them featuring multiple reaction sites, it is a huge challenge to identify all the chlorinated amino acids and peptides. As a good complement to the experiment, quantum chemical computation can be used to uncover the chlorination sites and chlorinated products. In this study, frequently detected tyrosine (Tyr) and tyrosine-amide (Tyr-Am) as well as N-acetyl-tyrosine (NacTyr) were chosen as the model amino acid and model dipeptides, respectively. The results indicate that the kinetic reactivity order of reactive sites with estimated apparent rate constants (kobs-est, in M-1 s-1) is amino N (107-8) ≫ mono-chlorinated amino N (101-3) >/≈ phenol ortho-C (100-3) ≫ meta-C (10-3), and phenol ortho-C5 (102-3) > ortho-C3 (100-2) for dipeptides, while in thermodynamics, phenol C sites are more favorable than amino N sites. Moreover, due to the smaller differences of kobs-est values between the mono-chlorinated amino N and the phenol ortho-C sites in tyrosyl dipeptides compared to free Tyr, more kinds of C-chloro-tyrosyl dipeptides are likely to be generated. Additionally, a structure-kinetic reactivity relationship study reveals good correlations between lg kobs-est and NPA charges and BDEs of protons released from amino/hydroxyl groups in tyrosyl compounds rather than FED2 (HOMO). The results are helpful to further understand the reactivity of various reaction sites in peptides and identify chlorinated products from tyrosyl peptides during chlorination.
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Affiliation(s)
- Zizhang Ren
- Beijing Key Laboratory of Environmental and Viral Oncology, Faculty of Environment and Life, Beijing University of Technology, Beijing 100124, China.
| | - Yue Qiu
- Beijing Key Laboratory of Environmental and Viral Oncology, Faculty of Environment and Life, Beijing University of Technology, Beijing 100124, China.
| | - Mengxue Huan
- Beijing Key Laboratory of Environmental and Viral Oncology, Faculty of Environment and Life, Beijing University of Technology, Beijing 100124, China.
| | - Yong Dong Liu
- Beijing Key Laboratory of Environmental and Viral Oncology, Faculty of Environment and Life, Beijing University of Technology, Beijing 100124, China.
| | - Rugang Zhong
- Beijing Key Laboratory of Environmental and Viral Oncology, Faculty of Environment and Life, Beijing University of Technology, Beijing 100124, China.
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10
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Zhang ZH, Li CC, Qu J, Zhang H, Liu K, Wang JY. A novel and fast-responsive two-photon fluorescent probe with modified group for monitoring endogenous HClO accompanied by a large turn-on signal and its application in zebrafish imaging. SPECTROCHIMICA ACTA. PART A, MOLECULAR AND BIOMOLECULAR SPECTROSCOPY 2022; 278:121361. [PMID: 35569200 DOI: 10.1016/j.saa.2022.121361] [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: 02/07/2022] [Revised: 04/20/2022] [Accepted: 05/05/2022] [Indexed: 06/15/2023]
Abstract
Hypochlorous acid (HClO) plays a critical role in physiological activities of maintaining the stable oxidation balance of organisms, which was proved to relate to some serious diseases. In this work, 4-nitrobenzenesulfonylhydrazide based fast-responsive two-photon fluorescent probe CoPh-ClO was designed and synthesized reasonably, which possessed low cytotoxicity, good anti-interference characteristics, a large Stokes shift (85 nm), and good two-photon performance. In addition, probe CoPh-ClO was successfully applied to detect exogenous HClO in living HeLa cells and endogenous HClO in living RAW264.7 cells respectively. Moreover, we successfully achieved tissues imaging with a deep penetration depth of 65 µm and zebrafish imaging accompanied with a high contrast (about 45-fold). Interestingly, the introduce of benzene ring between fluorophore and reaction site made probe CoPh-ClO more sensitive (only 20 s) with a large turn-on signal. The probe CoPh-ClO was modified and possessed better stability (more than 10 mins) even in excessive HClO. All of mentioned above merits demonstrated that CoPh-ClO could be a promising imaging tool for monitoring HClO in various physiological processes, and the introduction of benzene ring would provide a new perspective for the development of multi-function probes.
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Affiliation(s)
- Zhi-Hao Zhang
- State Key Laboratory of Biobased Material and Green Papermaking, Key Laboratory of Paper Science and Technology of Ministry of Education, Faculty of Light Industry, Qi Lu University of Technology (Shandong Academy of Sciences), Jinan 250353, P. R., China
| | - Cong-Cong Li
- State Key Laboratory of Biobased Material and Green Papermaking, Key Laboratory of Paper Science and Technology of Ministry of Education, Faculty of Light Industry, Qi Lu University of Technology (Shandong Academy of Sciences), Jinan 250353, P. R., China
| | - Jianbo Qu
- State Key Laboratory of Biobased Material and Green Papermaking, Key Laboratory of Paper Science and Technology of Ministry of Education, Faculty of Light Industry, Qi Lu University of Technology (Shandong Academy of Sciences), Jinan 250353, P. R., China
| | - Haitao Zhang
- State Key Laboratory of Biobased Material and Green Papermaking, Key Laboratory of Paper Science and Technology of Ministry of Education, Faculty of Light Industry, Qi Lu University of Technology (Shandong Academy of Sciences), Jinan 250353, P. R., China
| | - Keyin Liu
- State Key Laboratory of Biobased Material and Green Papermaking, Key Laboratory of Paper Science and Technology of Ministry of Education, Faculty of Light Industry, Qi Lu University of Technology (Shandong Academy of Sciences), Jinan 250353, P. R., China
| | - Jian-Yong Wang
- State Key Laboratory of Biobased Material and Green Papermaking, Key Laboratory of Paper Science and Technology of Ministry of Education, Faculty of Light Industry, Qi Lu University of Technology (Shandong Academy of Sciences), Jinan 250353, P. R., China.
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11
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Hypochlorous Acid Chemistry in Mammalian Cells—Influence on Infection and Role in Various Pathologies. Int J Mol Sci 2022; 23:ijms231810735. [PMID: 36142645 PMCID: PMC9504810 DOI: 10.3390/ijms231810735] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/05/2022] [Revised: 09/09/2022] [Accepted: 09/11/2022] [Indexed: 11/19/2022] Open
Abstract
This review discusses the formation of hypochlorous acid HOCl and the role of reactive chlorinated species (RCS), which are catalysed by the enzyme myeloperoxidase MPO, mainly located in leukocytes and which in turn contribute to cellular oxidative stress. The reactions of RCS with various organic molecules such as amines, amino acids, proteins, lipids, carbohydrates, nucleic acids, and DNA are described, and an attempt is made to explain the chemical mechanisms of the formation of the various chlorinated derivatives and the data available so far on the effects of MPO, RCS and halogenative stress. Their presence in numerous pathologies such as atherosclerosis, arthritis, neurological and renal diseases, diabetes, and obesity is reviewed and were found to be a feature of debilitating diseases.
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12
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Chen H, Luo J, Chen S, Qi Y, Zhou T, Tian X, Ding F. Sensing Hypochlorite or pH variations in live cells and zebrafish with a novel dual-functional ratiometric and colorimetric chemosensor. SPECTROCHIMICA ACTA. PART A, MOLECULAR AND BIOMOLECULAR SPECTROSCOPY 2022; 271:120915. [PMID: 35121472 DOI: 10.1016/j.saa.2022.120915] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/13/2021] [Revised: 12/23/2021] [Accepted: 01/16/2022] [Indexed: 06/14/2023]
Abstract
Both HClO and pH are essential players in multiple biological processes, which thus need to be controlled properly. Dysregulated HClO or pH correlates with many diseases. To meet these challenges, we need to develop highly competent probes for monitoring them. Over the years, despite a rich history of the development of HClO or pH probes, those that can do both jobs are still deficient. Herein, we present a novel dual-functional chemosensor, CMHN, which exhibits a blue and red shift of its fluorescence emission upon reacting with HClO or OH-, respectively. CMHN was successfully harnessed in the imaging detection of HClO or OH- in aqueous solutions, live cells, and zebrafish. Results indicated CMHN can detect HClO with high sensitivity (LOD -132 nM), a quick response time (<70 s), and high selectivity over dozens of interfering species through a colorimetric and ratiometric response. Besides, CMHN can probe pH changes sensitively and reversibly. Its working mechanism was verified by DFT calculations. These superior features make CMHN excel among the HClO or pH probes reported so far. Taken together, CMHN replenishes the deficiency in currently developed HClO or pH probes and paves the way for developing multifunctional HClO or pH probes in the future.
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Affiliation(s)
- Hong Chen
- Luoyang Key Laboratory of Organic Functional Molecules, College of Food and Drug, Luoyang Normal University, Luoyang, Henan 471934, China
| | - Jiamin Luo
- The Sixth Affiliated Hospital, and School of Basic Medical Sciences, Guangzhou Medical University, Guangzhou, Guangdong 511436, China
| | - Shijin Chen
- Luoyang Key Laboratory of Organic Functional Molecules, College of Food and Drug, Luoyang Normal University, Luoyang, Henan 471934, China
| | - Yueheng Qi
- Luoyang Key Laboratory of Organic Functional Molecules, College of Food and Drug, Luoyang Normal University, Luoyang, Henan 471934, China
| | - Tong Zhou
- Luoyang Key Laboratory of Organic Functional Molecules, College of Food and Drug, Luoyang Normal University, Luoyang, Henan 471934, China
| | - Xiumei Tian
- The Sixth Affiliated Hospital, and School of Basic Medical Sciences, Guangzhou Medical University, Guangzhou, Guangdong 511436, China.
| | - Feng Ding
- Department of Microbiology & Immunology, School of Basic Medical Sciences, Wenzhou Medical University, Wenzhou, Zhejiang 325035, China.
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13
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Kostyuk AI, Tossounian MA, Panova AS, Thauvin M, Raevskii RI, Ezeriņa D, Wahni K, Van Molle I, Sergeeva AD, Vertommen D, Gorokhovatsky AY, Baranov MS, Vriz S, Messens J, Bilan DS, Belousov VV. Hypocrates is a genetically encoded fluorescent biosensor for (pseudo)hypohalous acids and their derivatives. Nat Commun 2022; 13:171. [PMID: 35013284 PMCID: PMC8748444 DOI: 10.1038/s41467-021-27796-2] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/24/2021] [Accepted: 12/14/2021] [Indexed: 12/31/2022] Open
Abstract
The lack of tools to monitor the dynamics of (pseudo)hypohalous acids in live cells and tissues hinders a better understanding of inflammatory processes. Here we present a fluorescent genetically encoded biosensor, Hypocrates, for the visualization of (pseudo)hypohalous acids and their derivatives. Hypocrates consists of a circularly permuted yellow fluorescent protein integrated into the structure of the transcription repressor NemR from Escherichia coli. We show that Hypocrates is ratiometric, reversible, and responds to its analytes in the 106 M-1s-1 range. Solving the Hypocrates X-ray structure provided insights into its sensing mechanism, allowing determination of the spatial organization in this circularly permuted fluorescent protein-based redox probe. We exemplify its applicability by imaging hypohalous stress in bacteria phagocytosed by primary neutrophils. Finally, we demonstrate that Hypocrates can be utilized in combination with HyPerRed for the simultaneous visualization of (pseudo)hypohalous acids and hydrogen peroxide dynamics in a zebrafish tail fin injury model.
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Affiliation(s)
- Alexander I Kostyuk
- Shemyakin-Ovchinnikov Institute of Bioorganic Chemistry, 117997, Moscow, Russia.,Center for Precision Genome Editing and Genetic Technologies for Biomedicine, Pirogov Russian National Research Medical University, 117997, Moscow, Russia.,Laboratory of Experimental Oncology, Pirogov Russian National Research Medical University, 117997, Moscow, Russia
| | - Maria-Armineh Tossounian
- VIB-VUB Center for Structural Biology, Vlaams Instituut voor Biotechnologie, B-1050, Brussels, Belgium.,Brussels Center for Redox Biology, Vrije Universiteit Brussel, B-1050, Brussels, Belgium.,Structural Biology Brussels, Vrije Universiteit Brussel, B-1050, Brussels, Belgium.,Department of Structural and Molecular Biology, University College London, London, WC1E 6BT, United Kingdom
| | - Anastasiya S Panova
- Shemyakin-Ovchinnikov Institute of Bioorganic Chemistry, 117997, Moscow, Russia.,Center for Precision Genome Editing and Genetic Technologies for Biomedicine, Pirogov Russian National Research Medical University, 117997, Moscow, Russia.,Laboratory of Experimental Oncology, Pirogov Russian National Research Medical University, 117997, Moscow, Russia
| | - Marion Thauvin
- Center for Interdisciplinary Research in Biology (CIRB), Collège de France, CNRS, INSERM, PSL Research University, Paris, 75231, France.,Sorbonne Université, Collège Doctoral, Paris, 75005, France
| | - Roman I Raevskii
- Shemyakin-Ovchinnikov Institute of Bioorganic Chemistry, 117997, Moscow, Russia
| | - Daria Ezeriņa
- VIB-VUB Center for Structural Biology, Vlaams Instituut voor Biotechnologie, B-1050, Brussels, Belgium.,Brussels Center for Redox Biology, Vrije Universiteit Brussel, B-1050, Brussels, Belgium.,Structural Biology Brussels, Vrije Universiteit Brussel, B-1050, Brussels, Belgium
| | - Khadija Wahni
- VIB-VUB Center for Structural Biology, Vlaams Instituut voor Biotechnologie, B-1050, Brussels, Belgium.,Brussels Center for Redox Biology, Vrije Universiteit Brussel, B-1050, Brussels, Belgium.,Structural Biology Brussels, Vrije Universiteit Brussel, B-1050, Brussels, Belgium
| | - Inge Van Molle
- VIB-VUB Center for Structural Biology, Vlaams Instituut voor Biotechnologie, B-1050, Brussels, Belgium.,Structural Biology Brussels, Vrije Universiteit Brussel, B-1050, Brussels, Belgium
| | - Anastasia D Sergeeva
- Shemyakin-Ovchinnikov Institute of Bioorganic Chemistry, 117997, Moscow, Russia.,Biological Department, Lomonosov Moscow State University, 119992, Moscow, Russia
| | - Didier Vertommen
- de Duve Institute, MASSPROT platform, UCLouvain, 1200, Brussels, Belgium
| | | | - Mikhail S Baranov
- Shemyakin-Ovchinnikov Institute of Bioorganic Chemistry, 117997, Moscow, Russia.,Laboratory of Medicinal Substances Chemistry, Pirogov Russian National Research Medical University, 117997, Moscow, Russia
| | - Sophie Vriz
- Center for Interdisciplinary Research in Biology (CIRB), Collège de France, CNRS, INSERM, PSL Research University, Paris, 75231, France.,Université de Paris, Paris, 75006, France.,Laboratoire des biomolécules, LBM, Département de chimie, École normale supérieure, PSL University, Sorbonne Université, CNRS, 75005, Paris, France
| | - Joris Messens
- VIB-VUB Center for Structural Biology, Vlaams Instituut voor Biotechnologie, B-1050, Brussels, Belgium. .,Brussels Center for Redox Biology, Vrije Universiteit Brussel, B-1050, Brussels, Belgium. .,Structural Biology Brussels, Vrije Universiteit Brussel, B-1050, Brussels, Belgium.
| | - Dmitry S Bilan
- Shemyakin-Ovchinnikov Institute of Bioorganic Chemistry, 117997, Moscow, Russia. .,Center for Precision Genome Editing and Genetic Technologies for Biomedicine, Pirogov Russian National Research Medical University, 117997, Moscow, Russia. .,Laboratory of Experimental Oncology, Pirogov Russian National Research Medical University, 117997, Moscow, Russia.
| | - Vsevolod V Belousov
- Shemyakin-Ovchinnikov Institute of Bioorganic Chemistry, 117997, Moscow, Russia. .,Center for Precision Genome Editing and Genetic Technologies for Biomedicine, Pirogov Russian National Research Medical University, 117997, Moscow, Russia. .,Laboratory of Experimental Oncology, Pirogov Russian National Research Medical University, 117997, Moscow, Russia. .,Federal Center of Brain Research and Neurotechnologies, Federal Medical Biological Agency, 117997, Moscow, Russia.
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14
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Zhang X, Zhang F, Yang B, Liu B. A simple strategy for constructing PET fluorescent probe and its application in hypochlorite detection. SPECTROCHIMICA ACTA. PART A, MOLECULAR AND BIOMOLECULAR SPECTROSCOPY 2021; 258:119827. [PMID: 33915338 DOI: 10.1016/j.saa.2021.119827] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/07/2021] [Revised: 04/07/2021] [Accepted: 04/10/2021] [Indexed: 06/12/2023]
Abstract
It is great meaningful to develop a fast and efficient method for detecting hypochlorite (ClO-) owing to its importance in the immune system. In this work, we proposed a strategy to construct fluorescent probes for ClO- based on photoinduced electron transfer (PET) mechanism. According to the strategy, we developed four fluorescent probes named TPA-NO2, TPA-2NO2, TPB-NO2 and TPB-2NO2, and studied their detecting performances for hypochlorite. Among them, TPB-NO2 displayed the most obvious fluorescence changes towards ClO- with a rapid response (<90 s). The detection limit was calculated to be 0.36 μM. Moreover, probe TPB-NO2 was successfully used to detect ClO- in living cells and zebrafish. These results demonstrated the feasibility of our strategy and provided a guidance for developing more excellent probes in the future.
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Affiliation(s)
- Xiaowen Zhang
- Key Laboratory of Chemical Biology and Molecular Engineering, Ministry of Education, Institute of Molecular Science, Shanxi University, Taiyuan 030006, China
| | - Fei Zhang
- Key Laboratory of Chemical Biology and Molecular Engineering, Ministry of Education, Institute of Molecular Science, Shanxi University, Taiyuan 030006, China
| | - Binsheng Yang
- Key Laboratory of Chemical Biology and Molecular Engineering, Ministry of Education, Institute of Molecular Science, Shanxi University, Taiyuan 030006, China.
| | - Bin Liu
- Key Laboratory of Chemical Biology and Molecular Engineering, Ministry of Education, Institute of Molecular Science, Shanxi University, Taiyuan 030006, China.
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15
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Zhang X, Zhang F, Chai J, Yang B, Liu B. A TICT + AIE based fluorescent probe for ultrafast response of hypochlorite in living cells and mouse. SPECTROCHIMICA ACTA. PART A, MOLECULAR AND BIOMOLECULAR SPECTROSCOPY 2021; 256:119735. [PMID: 33819759 DOI: 10.1016/j.saa.2021.119735] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/06/2021] [Revised: 03/15/2021] [Accepted: 03/18/2021] [Indexed: 06/12/2023]
Abstract
Hypochlorite (HClO/ClO-), an important reactive oxygen species (ROS), plays a significant role in the human immune system. Thus, developing a fast and efficient method for detecting ClO- is quite necessary. Herein, we designed and synthesized a fluorescent probe TPB-CN based on twisted intramolecular charge transfer (TICT) and aggregation-induced emission (AIE) characteristics. The probe could respond to ClO- with an ultrafast response velocity (<2 s). The detection limit was calculated to be 6.198 nM. In addition, probe TPB-CN was successfully applied for detecting ClO- in living cells and mouse.
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Affiliation(s)
- Xiaowen Zhang
- Key Laboratory of Chemical Biology and Molecular Engineering, Ministry of Education, Institute of Molecular Science, Shanxi University, Taiyuan 030006, China
| | - Fei Zhang
- Key Laboratory of Chemical Biology and Molecular Engineering, Ministry of Education, Institute of Molecular Science, Shanxi University, Taiyuan 030006, China
| | - Jie Chai
- Department of Chemistry and Chemical Engineering, Jinzhong University, No. 199, Wenhua Street, Yuci District, Jinzhong 030619, China
| | - Binsheng Yang
- Key Laboratory of Chemical Biology and Molecular Engineering, Ministry of Education, Institute of Molecular Science, Shanxi University, Taiyuan 030006, China
| | - Bin Liu
- Key Laboratory of Chemical Biology and Molecular Engineering, Ministry of Education, Institute of Molecular Science, Shanxi University, Taiyuan 030006, China.
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16
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Pham TC, Nguyen VN, Choi Y, Kim D, Jung OS, Lee DJ, Kim HJ, Lee MW, Yoon J, Kim HM, Lee S. Hypochlorite-Activated Fluorescence Emission and Antibacterial Activities of Imidazole Derivatives for Biological Applications. Front Chem 2021; 9:713078. [PMID: 34322477 PMCID: PMC8311462 DOI: 10.3389/fchem.2021.713078] [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] [Received: 05/21/2021] [Accepted: 06/17/2021] [Indexed: 12/17/2022] Open
Abstract
The ability to detect hypochlorite (HOCl/ClO-) in vivo is of great importance to identify and visualize infection. Here, we report the use of imidazoline-2-thione (R 1 SR 2 ) probes, which act to both sense ClO- and kill bacteria. The N2C=S moieties can recognize ClO- among various typical reactive oxygen species (ROS) and turn into imidazolium moieties (R 1 IR 2 ) via desulfurization. This was observed through UV-vis absorption and fluorescence emission spectroscopy, with a high fluorescence emission quantum yield (ՓF = 43-99%) and large Stokes shift (∆v∼115 nm). Furthermore, the DIM probe, which was prepared by treating the DSM probe with ClO-, also displayed antibacterial efficacy toward not only Escherichia coli (E. coli) and Staphylococcus aureus (S. aureus) but also methicillin-resistant Staphylococcus aureus (MRSA) and extended-spectrum ß-lactamase-producing Escherichia coli (ESBL-EC), that is, antibiotic-resistant bacteria. These results suggest that the DSM probe has great potential to carry out the dual roles of a fluorogenic probe and killer of bacteria.
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Affiliation(s)
- Thanh Chung Pham
- Industry 4.0 Convergence Bionics Engineering, Pukyong National University, Busan, South Korea
| | - Van-Nghia Nguyen
- Department of Chemistry and Nanoscience, Ewha Womans University, Seoul, South Korea
| | - Yeonghwan Choi
- Industry 4.0 Convergence Bionics Engineering, Pukyong National University, Busan, South Korea
| | - Dongwon Kim
- Department of Chemistry, Pusan National University, Busan, South Korea
| | - Ok-Sang Jung
- Department of Chemistry, Pusan National University, Busan, South Korea
| | - Dong Joon Lee
- Department of Energy Systems Research, Ajou University, Suwon, South Korea
| | - Hak Jun Kim
- Department of Chemistry, Pukyong National University, Busan, South Korea
| | - Myung Won Lee
- Department of Chemistry, Pukyong National University, Busan, South Korea
| | - Juyoung Yoon
- Department of Chemistry and Nanoscience, Ewha Womans University, Seoul, South Korea
| | - Hwan Myung Kim
- Department of Energy Systems Research, Ajou University, Suwon, South Korea
- Department of Chemistry, Ajou University, Suwon, South Korea
| | - Songyi Lee
- Industry 4.0 Convergence Bionics Engineering, Pukyong National University, Busan, South Korea
- Department of Chemistry, Pukyong National University, Busan, South Korea
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17
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Lindén P, Jonasson S, Hemström P, Ålander L, Larsson A, Ågren L, Elfsmark L, Åstot C. Nasal Lavage Fluid as a Biomedical Sample for Verification of Chlorine Exposure. J Anal Toxicol 2021; 46:559-566. [PMID: 34114620 DOI: 10.1093/jat/bkab069] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/04/2020] [Revised: 06/02/2021] [Accepted: 06/09/2021] [Indexed: 11/13/2022] Open
Abstract
Chlorine is a toxic chemical that has been used as a chemical warfare agent in recent armed conflicts. There is an urgent need for methods to verify alleged uses of chlorine, and phospholipid chlorohydrins (PL-HOCl) derived from the pulmonary surfactant of exposed victims have previously been proposed as biomarkers of chlorine exposure. Here we describe an improved protocol for the chemical analysis of these biomarkers and its applicability to biomedical samples from chlorine-exposed animals. By the use of a polymeric solid phase-supported transesterification of PL-HOCl using ethanolamine, a common biomarker; oleoyl ethanolamide chlorohydrin (OEA-HOCl), was derived from all the diverse oleoyl PL-HOCl that may be formed by chlorine exposure. Compared to native lipid biomarkers, OEA-HOCl represents a larger biomarker pool and is better suited for nano-liquid chromatography tandem mass spectrometry (nLC-MS/MS analysis), generating 3 amol LOD and a reduced sample carry-over. With the improved protocol, significantly elevated levels of OEA-HOCl was identified in broncho-alveolar lavage fluid (BALF) of chlorine exposed rats, 2-48 hours after exposure. The difficulty of BALF sampling from humans limits the methods usefulness as a verification tool of chlorine exposure. Conversely, nasal lavage fluid (NLF) is readily collected without advanced equipment. In NLF from chlorine-exposed rats, PL-HOCl were identified and significantly elevated levels of the OEA-HOCl biomarker was detected 2- 24 hours after exposure. In order to test the potential of NLF as a biomedical sample for verification of human exposure to chlorine, in-vitro chlorination of human NLF samples was performed. All human in-vitro chlorinated NLF samples exhibited elevated OEA-HOCl biomarker levels, following sample derivatization. This data indicates the potential of human NLF as a biomedical sample for the verification of chlorine exposure but further work is required to develop and validate the method for the use on real-world samples.
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Affiliation(s)
- Pernilla Lindén
- The Swedish Defence Research Agency, CBRN Defence and Security, Cementvägen 20, Umeå, Sweden
| | - Sofia Jonasson
- The Swedish Defence Research Agency, CBRN Defence and Security, Cementvägen 20, Umeå, Sweden
| | - Petrus Hemström
- The Swedish Defence Research Agency, CBRN Defence and Security, Cementvägen 20, Umeå, Sweden
| | - Lovisa Ålander
- The Swedish Defence Research Agency, CBRN Defence and Security, Cementvägen 20, Umeå, Sweden
| | - Andreas Larsson
- The Swedish Defence Research Agency, CBRN Defence and Security, Cementvägen 20, Umeå, Sweden
| | - Lina Ågren
- The Swedish Defence Research Agency, CBRN Defence and Security, Cementvägen 20, Umeå, Sweden
| | - Linda Elfsmark
- The Swedish Defence Research Agency, CBRN Defence and Security, Cementvägen 20, Umeå, Sweden
| | - Crister Åstot
- The Swedish Defence Research Agency, CBRN Defence and Security, Cementvägen 20, Umeå, Sweden
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18
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Nair SS, Chauhan TKS, Kumawat M, Sarkhel R, Apoorva S, Shome A, Athira V, Kumar B, Abhishek, Mahawar M. Deletion of both methionine sulfoxide reductase A and methionine sulfoxide reductase C genes renders Salmonella Typhimurium highly susceptible to hypochlorite stress and poultry macrophages. Mol Biol Rep 2021; 48:3195-3203. [PMID: 33954903 DOI: 10.1007/s11033-021-06381-2] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/10/2021] [Accepted: 04/24/2021] [Indexed: 10/21/2022]
Abstract
Salmonella Typhimurium survives and replicates inside the oxidative environment of phagocytic cells. Proteins, because of their composition and location, are the foremost targets of host inflammatory response. Among others, Met-residues are highly prone to oxidation. Methionine sulfoxide reductase (Msr), with the help of thioredoxin-thioredoxin reductase, can repair oxidized methionine (Met-SO) residues to Met. There are four methionine sulfoxide reductases localized in the cytosol of S. Typhimurium, MsrA, MsrB, MsrC and BisC. MsrA repairs both protein-bound and free 'S' Met-SO, MsrB repairs protein-bound 'R' Met-SO, MsrC repairs free 'R' Met-SO and BisC repairs free 'S' Met-SO. To assess the role(s) of various Msrs in Salmonella, few studies have been conducted by utilizing ΔmsrA, ΔmsrB, ΔmsrC, ΔmsrAΔmsrB, ΔmsrBΔmsrC and ΔbisC mutant strains of S. Typhimurium. Out of the above-mentioned mutants, ΔmsrA and ΔmsrC were found to play important role in the stress survival of this bacterium; however, the combined roles of these two genes have not been determined. In the current study, we have generated msrAmsrC double gene deletion strain (ΔmsrAΔmsrC) of S. Typhimurium and evaluated the effect of gene deletions on the survival of Salmonella against hypochlorite stress and intramacrophage replication. In in vitro growth curve analysis, ΔmsrAΔmsrC mutant strain showed a longer lag phase during the initial stages of the growth; however, it attained similar growth as the wild type strain of S. Typhimurium after 5 h. The ΔmsrAΔmsrC mutant strain has been highly (~ 3000 folds more) sensitive (p < 0.001) to hypochlorite stress. Further, ΔmsrA and ΔmsrAΔmsrC mutant strains showed more than 8 and 26 folds more susceptibility to poultry macrophages, respectively. Our data suggest that the deletion of both msrA and msrC genes severely affect the oxidative stress survival and intramacrophage proliferation of S. Typhimurium.
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Affiliation(s)
- Sonu S Nair
- Division of Bacteriology & Mycology, ICAR-Indian Veterinary Research Institute, Izatnagar, 243 122, India
| | | | - Manoj Kumawat
- Division of Biochemistry, ICAR-Indian Veterinary Research Institute, Izatnagar, 243 122, India
| | - Ratanti Sarkhel
- Division of Biochemistry, ICAR-Indian Veterinary Research Institute, Izatnagar, 243 122, India
| | - Shekhar Apoorva
- Division of Biochemistry, ICAR-Indian Veterinary Research Institute, Izatnagar, 243 122, India
| | - Arijit Shome
- Division of Biochemistry, ICAR-Indian Veterinary Research Institute, Izatnagar, 243 122, India
| | - V Athira
- Division of Bacteriology & Mycology, ICAR-Indian Veterinary Research Institute, Izatnagar, 243 122, India
| | - Bablu Kumar
- Division of Biological Products, ICAR-Indian Veterinary Research Institute, Izatnagar, 243 122, India
| | - Abhishek
- Division of Bacteriology & Mycology, ICAR-Indian Veterinary Research Institute, Izatnagar, 243 122, India.
| | - Manish Mahawar
- Division of Biochemistry, ICAR-Indian Veterinary Research Institute, Izatnagar, 243 122, India.
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19
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McDowell SAC, Luo RBE, Arabzadeh A, Doré S, Bennett NC, Breton V, Karimi E, Rezanejad M, Yang RR, Lach KD, Issac MSM, Samborska B, Perus LJM, Moldoveanu D, Wei Y, Fiset B, Rayes RF, Watson IR, Kazak L, Guiot MC, Fiset PO, Spicer JD, Dannenberg AJ, Walsh LA, Quail DF. Neutrophil oxidative stress mediates obesity-associated vascular dysfunction and metastatic transmigration. ACTA ACUST UNITED AC 2021; 2:545-562. [DOI: 10.1038/s43018-021-00194-9] [Citation(s) in RCA: 23] [Impact Index Per Article: 7.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/14/2019] [Accepted: 03/10/2021] [Indexed: 12/22/2022]
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20
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Ulfig A, Bader V, Varatnitskaya M, Lupilov N, Winklhofer KF, Leichert LI. Hypochlorous acid-modified human serum albumin suppresses MHC class II - dependent antigen presentation in pro-inflammatory macrophages. Redox Biol 2021; 43:101981. [PMID: 33940547 PMCID: PMC8105673 DOI: 10.1016/j.redox.2021.101981] [Citation(s) in RCA: 12] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/12/2021] [Revised: 04/13/2021] [Accepted: 04/15/2021] [Indexed: 12/14/2022] Open
Abstract
Macrophages are innate immune cells that internalize and present exogenous antigens to T cells via MHC class II proteins. They operate at sites of infection in a highly inflammatory environment, generated in part by reactive oxygen species, in particular the strong oxidant hypochlorous acid (HOCl) produced in the neutrophil respiratory burst. HOCl effectively kills a broad range of pathogens but can also contribute to host tissue damage at sites of inflammation. To prevent tissue injury, HOCl is scavenged by human serum albumin (HSA) and other plasma proteins in interstitial fluids, leading to the formation of variously modified advanced oxidation products (AOPPs) with pro-inflammatory properties. Previously, we showed that HOCl-mediated N-chlorination converts HSA and other plasma proteins into efficient activators of the phagocyte respiratory burst, but the role of these AOPPs in antigen presentation by macrophages remained unclear. Here, we show that physiologically relevant amounts of N-chlorinated HSA can strongly impair the capacity of THP-1-derived macrophages to present antigens to antigen-specific T cells via MHC class II proteins at multiple stages. Initially, N-chlorinated HSA inhibits antigen internalization by converting antigens into scavenger receptor (SR) ligands and competing with the modified antigens for binding to SR CD36. Later steps of antigen presentation, such as intracellular antigen processing and MHC class II expression are negatively affected, as well. We propose that impaired processing of pathogens or exogenous antigens by immune cells at an initial stage of infection prevents antigen presentation in an environment potentially hostile to cells of the adaptive immune response, possibly shifting it towards locations removed from the actual insult, like the lymph nodes. On the flip side, excessive retardation or complete inhibition of antigen presentation by N-chlorinated plasma proteins could contribute to chronic infection and inflammation.
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Affiliation(s)
- Agnes Ulfig
- Ruhr University Bochum, Institute of Biochemistry and Pathobiochemistry - Microbial Biochemistry, Universitätsstrasse 150, 44780, Bochum, Germany
| | - Verian Bader
- Ruhr University Bochum, Institute of Biochemistry and Pathobiochemistry - Molecular Cell Biology, Universitätsstrasse 150, 44780, Bochum, Germany
| | - Marharyta Varatnitskaya
- Ruhr University Bochum, Institute of Biochemistry and Pathobiochemistry - Microbial Biochemistry, Universitätsstrasse 150, 44780, Bochum, Germany
| | - Natalie Lupilov
- Ruhr University Bochum, Institute of Biochemistry and Pathobiochemistry - Microbial Biochemistry, Universitätsstrasse 150, 44780, Bochum, Germany
| | - Konstanze F Winklhofer
- Ruhr University Bochum, Institute of Biochemistry and Pathobiochemistry - Molecular Cell Biology, Universitätsstrasse 150, 44780, Bochum, Germany
| | - Lars I Leichert
- Ruhr University Bochum, Institute of Biochemistry and Pathobiochemistry - Microbial Biochemistry, Universitätsstrasse 150, 44780, Bochum, Germany.
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21
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Suga N, Murakami A, Arimitsu H, Shiogama K, Tanaka S, Ito M, Kato Y. Elevation of the serotonin-derived quinone, tryptamine-4,5-dione, in the intestine of ICR mice with dextran sulfate-induced colitis. J Clin Biochem Nutr 2021; 69:61-67. [PMID: 34376915 PMCID: PMC8325771 DOI: 10.3164/jcbn.20-161] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/23/2020] [Accepted: 12/20/2020] [Indexed: 11/22/2022] Open
Abstract
Inflammatory bowel diseases, including Crohn's disease and ulcerative colitis, are chronic inflammatory disorders associated with oxidative stress. The intestines produce 5-hydroxytryptamine that may negatively affect disease state under inflammatory conditions when overproduced. 5-Hydroxytryptamine is a substrate for myeloperoxidase and is converted into reactive tryptamine-4,5-dione. Here, an experimental colitis model was established through oral administration of 5% dextran sulfate sodium to ICR mice for 7 days. Furthermore, the formation of tryptamine-4,5-dione in the colorectal mucosa/submucosa and colorectal tissue was analyzed by chemical and immunochemical methodologies. First, free tryptamine-4,5-dione in the homogenate was chemically trapped by o-phenylenediamine and analyzed as the stable phenazine derivative. Tryptamine-4,5-dione localization as adducted proteins in the colorectal tissue was immunohistochemically confirmed, and as demonstrated by both methods, this resulted in the significant increase of tryptamine-4,5-dione in dextran sulfate sodium-challenged mice compared with control mice. Immunohistochemical staining confirmed tryptamine-4,5-dione-positive staining at the myeloperoxidase accumulation site in dextran sulfate sodium-challenged mice colorectal tissue. The tryptamine-4,5-dione locus in the mice was partly matched with that of a specific marker for myeloperoxidase, halogenated tyrosine. Overall, the results possibly indicate that tryptamine-4,5-dione is generated by neutrophil myeloperoxidase in inflammatory tissue and may contribute to the development of inflammatory bowel disease.
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Affiliation(s)
- Naoko Suga
- Graduate School of Human Science and Environment, University of Hyogo, 1-1-12 Shinzaike-honcho, Himeji, Hyogo 670-0092, Japan
| | - Akira Murakami
- Graduate School of Human Science and Environment, University of Hyogo, 1-1-12 Shinzaike-honcho, Himeji, Hyogo 670-0092, Japan.,Research Institute for Food and Nutritional Sciences, University of Hyogo, 1-1-12 Shinzaike-honcho, Himeji, Hyogo 670-0092, Japan
| | - Hideyuki Arimitsu
- Graduate School of Human Science and Environment, University of Hyogo, 1-1-12 Shinzaike-honcho, Himeji, Hyogo 670-0092, Japan.,Research Institute for Food and Nutritional Sciences, University of Hyogo, 1-1-12 Shinzaike-honcho, Himeji, Hyogo 670-0092, Japan
| | - Kazuya Shiogama
- Department of Diagnostic Pathology II, Fujita Health University School of Medicine, 1-98 Dengakugakubo, Kutsukake-cho, Toyoake, Aichi 470-1192, Japan
| | - Sarasa Tanaka
- Graduate School of Human Science and Environment, University of Hyogo, 1-1-12 Shinzaike-honcho, Himeji, Hyogo 670-0092, Japan.,Research Institute for Food and Nutritional Sciences, University of Hyogo, 1-1-12 Shinzaike-honcho, Himeji, Hyogo 670-0092, Japan
| | - Mikiko Ito
- Graduate School of Human Science and Environment, University of Hyogo, 1-1-12 Shinzaike-honcho, Himeji, Hyogo 670-0092, Japan.,Research Institute for Food and Nutritional Sciences, University of Hyogo, 1-1-12 Shinzaike-honcho, Himeji, Hyogo 670-0092, Japan
| | - Yoji Kato
- Graduate School of Human Science and Environment, University of Hyogo, 1-1-12 Shinzaike-honcho, Himeji, Hyogo 670-0092, Japan.,Research Institute for Food and Nutritional Sciences, University of Hyogo, 1-1-12 Shinzaike-honcho, Himeji, Hyogo 670-0092, Japan
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22
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Pham TC, Heo S, Nguyen VN, Lee MW, Yoon J, Lee S. Molecular Design toward Heavy-Atom-free Photosensitizers Based on the C═S Bond and their Dual Functions in Hypoxia Photodynamic Cancer Therapy and ClO - Detection. ACS APPLIED MATERIALS & INTERFACES 2021; 13:13949-13957. [PMID: 33729767 DOI: 10.1021/acsami.0c22174] [Citation(s) in RCA: 15] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/05/2023]
Abstract
In this article, we designed and synthesized the thionated NpImidazole derivatives BS and NS, new heavy-atom-free photosensitizers, which efficiently generate a triplet excited state with high singlet oxygen quantum yield. The introduction of the C═S bond to the NpImidazole core is essential for increasing spin-orbit coupling (SOC). The fluorescence emission of BS and NS was quenched at standard ambient temperature, accompanied with the increase in the ISC process from the singlet states to triplet excited states via thionation. BS and NS showed negligible dark cytotoxicity against HeLa cells in working concentration. In contrast, BS and NS rapidly induced cell death under blue light irradiation both under normoxia and hypoxia conditions. Our current study demonstrates that the C═S group can play an important role in type I ROS generation of PSs, which are unprecedented in the previous reports. Finally, the photophysical changes were assigned to the oxidative desulfurization of the C═S group of BS and NS to the C═O group of the corresponding BO and NO via hypochlorite. The combined results demonstrated the dual function of BS and NS as a fluorescent imaging agent for ClO- and an anti-cancer therapeutic by PDT that showed the potential strategy for "one-for-all" and multifunctional agents.
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Affiliation(s)
- Thanh Chung Pham
- Industry 4.0 Convergence Bionics Engineering, Pukyong National University, Busan 48513, Korea
| | - Seonye Heo
- Department of Chemistry and Nanoscience, Ewha Womans University, Seoul 03760, Korea
| | - Van-Nghia Nguyen
- Department of Chemistry and Nanoscience, Ewha Womans University, Seoul 03760, Korea
- Institute of Research and Development, Duy Tan University, Da Nang 550000, Vietnam
| | - Myung Won Lee
- Department of Chemistry, Pukyong National University, Busan 48513, Korea
| | - Juyoung Yoon
- Department of Chemistry and Nanoscience, Ewha Womans University, Seoul 03760, Korea
| | - Songyi Lee
- Department of Chemistry, Pukyong National University, Busan 48513, Korea
- Industry 4.0 Convergence Bionics Engineering, Pukyong National University, Busan 48513, Korea
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23
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Cheshchevik VT, Krylova NG, Сheshchevik NG, Lapshina EA, Semenkova GN, Zavodnik IB. Role of mitochondrial calcium in hypochlorite induced oxidative damage of cells. Biochimie 2021; 184:104-115. [PMID: 33607241 DOI: 10.1016/j.biochi.2021.02.009] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/07/2020] [Revised: 01/09/2021] [Accepted: 02/10/2021] [Indexed: 11/29/2022]
Abstract
Hypochlorite (HOCl) is one of the most important mediators of inflammatory processes. Recent evidence demonstrates that changes in intracellular calcium pool play a significant role in the damaging effects of hypochlorite and other oxidants. Mitochondria are shown to be one of the intracellular targets of hypochlorite. But little is known about the mitochondrial calcium pool changes in HOCl-induced mitochondrial dysfunction. Using isolated rat liver mitochondria, we showed the oxidative damage of mitochondria (GSH oxidation and mixed protein-glutathione formation without membrane lipid peroxidation) and alterations in the mitochondrial functional parameters (decrease of respiratory activity and efficiency of oxidative phosphorylation, NADH and FADH coenzyme levels, and membrane potential) under hypochlorite action (50-300 μM). Simultaneously, the mitochondrial calcium release and swelling were demonstrated. In the presence of EGTA, the damaging effects of HOCl were less pronounced, reflecting direct involvement of mitochondrial Ca2+ in mechanisms of oxidant-induced injury. Furthermore, exposure of HeLa cells to hypochlorite resulted in a considerable increase in cytoplasmic calcium concentrations and a decrease in mitochondrial ones. Applying specific inhibitors of calcium transfer systems, we demonstrated that mitochondria play a key role in the redistribution of cytoplasmic Ca2+ ions under hypochlorite action and act as mediators of calcium release from the endoplasmic reticulum into the cytoplasm.
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Affiliation(s)
- Vitali T Cheshchevik
- Department of Biotechnology, Polessky State University, ulitsa Dnieprovskoy Flotilii, 23, 225710, Pinsk, Belarus.
| | - Nina G Krylova
- Department of Biophysics, Belarusian State University, Prospekt Nezavisimosti 4, 220030, Minsk, Belarus
| | - Nina G Сheshchevik
- Department of Biotechnology, Polessky State University, ulitsa Dnieprovskoy Flotilii, 23, 225710, Pinsk, Belarus
| | - Elena A Lapshina
- Department of Biochemistry, Yanka Kupala State University of Grodno, Bulvar Leninskogo Komsomola 50, 230030, Grodno, Belarus
| | - Galina N Semenkova
- Department of Biophysics, Belarusian State University, Prospekt Nezavisimosti 4, 220030, Minsk, Belarus
| | - Ilya B Zavodnik
- Department of Biochemistry, Yanka Kupala State University of Grodno, Bulvar Leninskogo Komsomola 50, 230030, Grodno, Belarus
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24
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Myeloperoxidase: Mechanisms, reactions and inhibition as a therapeutic strategy in inflammatory diseases. Pharmacol Ther 2021; 218:107685. [DOI: 10.1016/j.pharmthera.2020.107685] [Citation(s) in RCA: 24] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/09/2020] [Accepted: 09/09/2020] [Indexed: 12/17/2022]
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25
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Kwon N, Kim D, Swamy K, Yoon J. Metal-coordinated fluorescent and luminescent probes for reactive oxygen species (ROS) and reactive nitrogen species (RNS). Coord Chem Rev 2021. [DOI: 10.1016/j.ccr.2020.213581] [Citation(s) in RCA: 67] [Impact Index Per Article: 22.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/23/2022]
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26
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Wang K, Liu Y, Liu C, Zhu H, Li X, Zhang F, Gao N, Pang X, Sheng W, Zhu B. A simple pyridine-based highly specific fluorescent probe for tracing hypochlorous acid in lysosomes of living cells. NEW J CHEM 2021. [DOI: 10.1039/d1nj02256c] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/13/2023]
Abstract
A simple pyridine-based highly specific fluorescent probe was constructed to trace hypochlorous acid in lysosomes of living cells.
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Affiliation(s)
- Kun Wang
- School of Water Conservancy and Environment
- University of Jinan
- Jinan 250022
- China
| | - Yilin Liu
- School of Water Conservancy and Environment
- University of Jinan
- Jinan 250022
- China
| | - Caiyun Liu
- School of Water Conservancy and Environment
- University of Jinan
- Jinan 250022
- China
| | - Hanchuang Zhu
- School of Water Conservancy and Environment
- University of Jinan
- Jinan 250022
- China
| | - Xiwei Li
- School of Water Conservancy and Environment
- University of Jinan
- Jinan 250022
- China
| | - Fenfen Zhang
- School of Water Conservancy and Environment
- University of Jinan
- Jinan 250022
- China
| | - Na Gao
- School of Water Conservancy and Environment
- University of Jinan
- Jinan 250022
- China
| | - Xiangming Pang
- Biology Institute
- Qilu University of Technology (Shandong Academy of Sciences)
- Jinan 250103
- China
| | - Wenlong Sheng
- Biology Institute
- Qilu University of Technology (Shandong Academy of Sciences)
- Jinan 250103
- China
| | - Baocun Zhu
- School of Water Conservancy and Environment
- University of Jinan
- Jinan 250022
- China
- Key Laboratory of Molecular and Nano Probes
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27
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Ulfig A, Leichert LI. The effects of neutrophil-generated hypochlorous acid and other hypohalous acids on host and pathogens. Cell Mol Life Sci 2021; 78:385-414. [PMID: 32661559 PMCID: PMC7873122 DOI: 10.1007/s00018-020-03591-y] [Citation(s) in RCA: 94] [Impact Index Per Article: 31.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/20/2020] [Revised: 06/21/2020] [Accepted: 07/01/2020] [Indexed: 12/15/2022]
Abstract
Neutrophils are predominant immune cells that protect the human body against infections by deploying sophisticated antimicrobial strategies including phagocytosis of bacteria and neutrophil extracellular trap (NET) formation. Here, we provide an overview of the mechanisms by which neutrophils kill exogenous pathogens before we focus on one particular weapon in their arsenal: the generation of the oxidizing hypohalous acids HOCl, HOBr and HOSCN during the so-called oxidative burst by the enzyme myeloperoxidase. We look at the effects of these hypohalous acids on biological systems in general and proteins in particular and turn our attention to bacterial strategies to survive HOCl stress. HOCl is a strong inducer of protein aggregation, which bacteria can counteract by chaperone-like holdases that bind unfolding proteins without the need for energy in the form of ATP. These chaperones are activated by HOCl through thiol oxidation (Hsp33) or N-chlorination of basic amino acid side-chains (RidA and CnoX) and contribute to bacterial survival during HOCl stress. However, neutrophil-generated hypohalous acids also affect the host system. Recent studies have shown that plasma proteins act not only as sinks for HOCl, but get actively transformed into modulators of the cellular immune response through N-chlorination. N-chlorinated serum albumin can prevent aggregation of proteins, stimulate immune cells, and act as a pro-survival factor for immune cells in the presence of cytotoxic antigens. Finally, we take a look at the emerging role of HOCl as a potential signaling molecule, particularly its role in neutrophil extracellular trap formation.
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Affiliation(s)
- Agnes Ulfig
- Ruhr University Bochum, Institute for Biochemistry and Pathobiochemistry-Microbial Biochemistry, Universitätsstrasse 150, 44780, Bochum, Germany
| | - Lars I Leichert
- Ruhr University Bochum, Institute for Biochemistry and Pathobiochemistry-Microbial Biochemistry, Universitätsstrasse 150, 44780, Bochum, Germany.
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28
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Shen Y, Liu X, Zhang X, Zhang Y, Gu B. Employing an ICT-ESIPT strategy for ratiometric tracking of HClO based on sulfide oxidation reaction. SPECTROCHIMICA ACTA. PART A, MOLECULAR AND BIOMOLECULAR SPECTROSCOPY 2020; 239:118515. [PMID: 32505106 DOI: 10.1016/j.saa.2020.118515] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/01/2020] [Revised: 05/14/2020] [Accepted: 05/19/2020] [Indexed: 06/11/2023]
Abstract
Hypochlorous acid (HOCl) acts as crucial roles in pathologica processes and relevant diseases. Thus, it is meaningful to explore a reliable method for monitoring HClO in biosystem. In this work, a ratiometric fluorescent probe 2-(benzo[d]thiazol-2-yl)-4-(methylthio)phenol (BTMSP) has been constructed for HClO by adopting ICT-ESIPT strategy. The probe possessed itself red fluorescence due to the electron-donating capability of sulfur atom and showed remarkable blue fluorescence response to HClO by oxidizes the sulfur atom to a sulfoxide. The ratiometric probe exhibited highly specific, rapid response and excellent sensitivity toward HClO as well as a low detection limit (4.2 × 10-7 M). Moreover, the ratiometric probe showed well-separated dual emission (450/580), and a large pseudo Stokes shift (190 nm). In addition, the probe was used for the imaging of HClO with satisfying results.
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Affiliation(s)
- Youming Shen
- Hunan Provincial Key Laboratory of Water Treatment Functional Materials, Hunan Province Engineering Research Center of Electroplating Wastewater Reuse Technology, Hunan Province Cooperative Innovation Center for The Construction & Development of Dongting Lake Ecological Economic Zone, College of Chemistry and Materials Engineering, Hunan University of Arts and Science, Changde 415000, PR China.
| | - Xin Liu
- Hunan Provincial Key Laboratory of Water Treatment Functional Materials, Hunan Province Engineering Research Center of Electroplating Wastewater Reuse Technology, Hunan Province Cooperative Innovation Center for The Construction & Development of Dongting Lake Ecological Economic Zone, College of Chemistry and Materials Engineering, Hunan University of Arts and Science, Changde 415000, PR China
| | - Xiangyang Zhang
- Hunan Provincial Key Laboratory of Water Treatment Functional Materials, Hunan Province Engineering Research Center of Electroplating Wastewater Reuse Technology, Hunan Province Cooperative Innovation Center for The Construction & Development of Dongting Lake Ecological Economic Zone, College of Chemistry and Materials Engineering, Hunan University of Arts and Science, Changde 415000, PR China
| | - Youyu Zhang
- Key Laboratory of Chemical Biology and Traditional Chinese Medicine Research (Ministry of Education), College of Chemistry and Chemical Engineering, Hunan Normal University, Changsha 410081, PR China.
| | - Biao Gu
- College of Chemistry and Materials Science, Hengyang Normal University, Hengyang 421008, PR China.
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29
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Li Q, Zhan Z, Zhang K, Song H, Lv Y. Ratiometric two-photon fluorescent probe for detection of hypochlorite in living cells. Talanta 2020; 217:121099. [DOI: 10.1016/j.talanta.2020.121099] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/27/2020] [Revised: 04/25/2020] [Accepted: 04/27/2020] [Indexed: 01/19/2023]
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30
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Ye H, Li H, Gao Z. Y12 nitration of human calcitonin (hCT): A promising strategy to produce non-aggregation bioactive hCT. Nitric Oxide 2020; 104-105:11-19. [PMID: 32827754 DOI: 10.1016/j.niox.2020.08.002] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/19/2020] [Revised: 05/25/2020] [Accepted: 08/11/2020] [Indexed: 02/06/2023]
Abstract
Irreversible aggregation can extremely limit the bioavailability and therapeutic activity of peptide-based drugs. There is therefore an urgent demand of effective strategy to control peptide aggregation. Recently, we found that tyrosine nitration at certain sites of peptide can effectively inhibit its aggregation. This minor modification may be an ideal strategy to the rational design of peptide-based drugs with low aggregation propensity yet without loss of bioactivity. Human calcitonin (hCT) is such a peptide hormone known for its hypocalcaemic effect but has limited pharmaceutical potential due to a high tendency to aggregate. In this study, by using multiple techniques including Fluorescence, TEM, Nu-PAGE and CD, we demonstrated that Y12 nitration of hCT would significantly inhibit its self-assembles, and we also found that this modification would not only reduce the cytotoxicity induced by peptide aggregation, but also had little effect on its potency. This finding may provide a novel strategy for clinically application of hCT instead of sCT.
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Affiliation(s)
- Huixian Ye
- Hubei Key Laboratory of Bioinorganic Chemistry and Materia Medica, School of Chemistry and Chemical Engineering, Huazhong University of Science and Technology, Wuhan, 430074, China; School of Chemistry and Chemical Engineering, Jinggangshan University, Ji'an, Jiangxi, 343009, China
| | - Hailing Li
- Hubei Key Laboratory of Bioinorganic Chemistry and Materia Medica, School of Chemistry and Chemical Engineering, Huazhong University of Science and Technology, Wuhan, 430074, China.
| | - Zhonghong Gao
- Hubei Key Laboratory of Bioinorganic Chemistry and Materia Medica, School of Chemistry and Chemical Engineering, Huazhong University of Science and Technology, Wuhan, 430074, China.
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31
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Jang HS, Gu X, Cooley RB, Porter JJ, Henson RL, Willi T, DiDonato JA, Hazen SL, Mehl RA. Efficient Site-Specific Prokaryotic and Eukaryotic Incorporation of Halotyrosine Amino Acids into Proteins. ACS Chem Biol 2020; 15:562-574. [PMID: 31994864 DOI: 10.1021/acschembio.9b01026] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
Abstract
Post-translational modifications (PTMs) of protein tyrosine (Tyr) residues can serve as a molecular fingerprint of exposure to distinct oxidative pathways and are observed in abnormally high abundance in the majority of human inflammatory pathologies. Reactive oxidants generated during inflammation include hypohalous acids and nitric oxide-derived oxidants, which oxidatively modify protein Tyr residues via halogenation and nitration, respectively, forming 3-chloroTyr, 3-bromoTyr, and 3-nitroTyr. Traditional methods for generating oxidized or halogenated proteins involve nonspecific chemical reactions that result in complex protein mixtures, making it difficult to ascribe observed functional changes to a site-specific PTM or to generate antibodies sensitive to site-specific oxidative PTMs. To overcome these challenges, we generated a system to efficiently and site-specifically incorporate chloroTyr, bromoTyr, and iodoTyr, and to a lesser extent nitroTyr, into proteins in both bacterial and eukaryotic expression systems, relying on a novel amber stop codon-suppressing mutant synthetase (haloTyrRS)/tRNA pair derived from the Methanosarcina barkeri pyrrolysine synthetase system. We used this system to study the effects of oxidation on HDL-associated protein paraoxonase 1 (PON1), an enzyme with important antiatherosclerosis and antioxidant functions. PON1 forms a ternary complex with HDL and myeloperoxidase (MPO) in vivo. MPO oxidizes PON1 at tyrosine 71 (Tyr71), resulting in a loss of PON1 enzymatic function, but the extent to which chlorination or nitration of Tyr71 contributes to this loss of activity is unclear. To better understand this biological process and to demonstrate the utility of our GCE system, we generated PON1 site-specifically modified at Tyr71 with chloroTyr and nitroTyr in Escherichia coli and mammalian cells. We demonstrate that either chlorination or nitration of Tyr71 significantly reduces PON1 enzymatic activity. This tool for site-specific incorporation of halotyrosine will be critical to understanding how exposure of proteins to hypohalous acids at sites of inflammation alters protein function and cellular physiology. In addition, it will serve as a powerful tool for generating antibodies that can recognize site-specific oxidative PTMs.
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Affiliation(s)
- Hyo Sang Jang
- Department of Biochemistry and Biophysics, Oregon State University, Corvallis, Oregon 97331, United States
| | - Xiaodong Gu
- Department of Cardiovascular & Metabolic Sciences, Lerner Research Institute, Cleveland Clinic, Cleveland, Ohio 44195, United States
| | - Richard B. Cooley
- Department of Biochemistry and Biophysics, Oregon State University, Corvallis, Oregon 97331, United States
| | - Joseph J. Porter
- Department of Biochemistry and Biophysics, Oregon State University, Corvallis, Oregon 97331, United States
| | - Rachel L. Henson
- Department of Biochemistry and Biophysics, Oregon State University, Corvallis, Oregon 97331, United States
| | - Taylor Willi
- Department of Biochemistry and Biophysics, Oregon State University, Corvallis, Oregon 97331, United States
| | - Joseph A. DiDonato
- Department of Cardiovascular & Metabolic Sciences, Lerner Research Institute, Cleveland Clinic, Cleveland, Ohio 44195, United States
- Center for Microbiome & Human Health, Lerner Research Institute, Cleveland Clinic, Cleveland, Ohio 44195, United States
| | - Stanley L. Hazen
- Department of Cardiovascular & Metabolic Sciences, Lerner Research Institute, Cleveland Clinic, Cleveland, Ohio 44195, United States
- Center for Microbiome & Human Health, Lerner Research Institute, Cleveland Clinic, Cleveland, Ohio 44195, United States
- Department of Cardiovascular Medicine, Heart and Vascular Institute, Cleveland Clinic, Cleveland, Ohio 44195, United States
| | - Ryan A. Mehl
- Department of Biochemistry and Biophysics, Oregon State University, Corvallis, Oregon 97331, United States
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32
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Hypochlorous acid-mediated modification of proteins and its consequences. Essays Biochem 2019; 64:75-86. [DOI: 10.1042/ebc20190045] [Citation(s) in RCA: 32] [Impact Index Per Article: 6.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/13/2019] [Revised: 12/03/2019] [Accepted: 12/06/2019] [Indexed: 01/06/2023]
Abstract
AbstractMyeloperoxidase (MPO) is a mammalian heme peroxidase released by activated immune cells, which forms chemical oxidants, including hypochlorous acid (HOCl), to kill bacteria and other invading pathogens. In addition to this important role in the innate immune system, there is significant evidence from numerous chronic inflammatory pathologies for the elevated production of HOCl and associated oxidative modification of proteins and damage to host tissue. Proteins are major targets for HOCl in biological systems, owing to their abundance and the high reactivity of several amino acid side-chains with this oxidant. As such, there is significant interest in understanding the molecular mechanisms involved in HOCl-mediated protein damage and defining the consequences of these reactions. Exposure of proteins to HOCl results in a wide range of oxidative modifications and the formation of chlorinated products, which alter protein structure and enzyme activity, and impact the function of biological systems. This review describes the reactivity of HOCl with proteins, including the specific pathways involved in side-chain modification, backbone fragmentation and aggregation, and outlines examples of some of the biological consequences of these reactions, particularly in relation to the development of chronic inflammatory disease.
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Szabó M, Simon F, Fábián I. The formation of N-chloramines with proteinogenic amino acids. WATER RESEARCH 2019; 165:114994. [PMID: 31445310 DOI: 10.1016/j.watres.2019.114994] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/03/2019] [Revised: 08/12/2019] [Accepted: 08/15/2019] [Indexed: 06/10/2023]
Abstract
In this study, the formation of 17 N-chloramines from proteinogenic amino acids and HOCl was studied by direct kinetic method in the pH = 3-13 range. Thus, the uncertainties associated with the indirect methods used in some of the previous studies were eliminated. Each reaction proceeds according to an overall second order kinetics: v = - k [HOCl][R-NH2] and the rate constants are several times 107 M-1s-1. A very slight correlation was found between the lgk and the pKAA of the amino acids. The results make possible to predict the reactivity order of the amino acids toward HOCl under various conditions. A comparison of the parameters of activation indicates that the presence of a bulky substituent on the side chain close to the α-carbon atom decreases the strength of bonding between the reactants and make the structure more diffuse in the transition state. The chlorination of histidine proceeds via two pH dependent paths presumably leading to the formation of N-chloramine and a side chain chlorinated product. The latter compound may be involved in fast subsequent trans-chlorination reactions. The results presented here resolve earlier discrepancies in the literature and are relevant in chlorination water treatment technologies as well as in the interpretation of in vivo processes involving the formation of N-chloro amino acids in a wide pH range.
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Affiliation(s)
- Mária Szabó
- Department of Inorganic and Analytical Chemistry, University of Debrecen, Debrecen, Hungary
| | - Fruzsina Simon
- Department of Inorganic and Analytical Chemistry, University of Debrecen, Debrecen, Hungary
| | - István Fábián
- Department of Inorganic and Analytical Chemistry, University of Debrecen, Debrecen, Hungary; MTA-DE Redox and Homogeneous Catalytic Reaction Mechanisms Research Group, University of Debrecen, Debrecen, Hungary.
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Guo J, Wang Y, Jiang P, Yao H, Zhao C, Hu X, Cao Y, Zhang N, Fu Y, Shen H. Sodium butyrate alleviates lipopolysaccharide-induced endometritis in mice through inhibiting inflammatory response. Microb Pathog 2019; 137:103792. [PMID: 31605760 DOI: 10.1016/j.micpath.2019.103792] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/05/2019] [Revised: 10/08/2019] [Accepted: 10/08/2019] [Indexed: 10/25/2022]
Abstract
Endometritis is commonly occurred in dairy cows after calving and results in a great deal of property damage. Although numerous studies have been performed to find the therapeutic agents for endometritis, the incidence of this disease remains high. Short-chain fatty acids (SCFAs), the major metabolic products of anaerobic bacteria fermentation in the gut, have been reported to exhibit anti-inflammatory properties. Therefore, the purpose of this study was to investigate the protective effects and mechanisms of sodium butyrate (SB) on lipopolysaccharide (LPS)-induced endometritis in mice. The mice were administered by intraperitoneal injection of SB at 1 h before LPS injection. 24 h later, the uterus tissues were collected. Hematoxylin and eosin (H & E) stained sections of uterus were used to determine the degree of the damage. Uterine myeloperoxidase (MPO) activity was used to analyze neutrophil granulocytes concentration. The levels of pro-inflammatory cytokines tumor necrosis factor-α (TNF-α) and interleukin-1β (IL-1β) were measured by ELISA. The activation of the NF-κB signaling pathway proteins were detected by Western blot analysis. The results showed that SB significantly attenuated the pathological injury of the uterus tissues. SB also suppressed LPS-induced MPO activity and the production of inflammatory cytokines TNF-α and IL-1β. Furthermore, Western blot analysis showed that SB inhibited the activation of NF-κB signaling pathway. In addition, SB could inhibit histone deacetylases. In summary, SB protects against LPS-induced endometritis through HDAC inhibition.
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Affiliation(s)
- Jian Guo
- Department of Clinical Veterinary Medicine, College of Veterinary Medicine, Jilin University, Changchun, Jilin Province, 130062, PR China
| | - Yinan Wang
- Department of Obstetrics and Gynecology, the Second Hospital Affiliated of Jilin University, Changchun, Jilin Province, 130041, China
| | - Peng Jiang
- Department of Clinical Veterinary Medicine, College of Veterinary Medicine, Jilin University, Changchun, Jilin Province, 130062, PR China
| | - Hongmei Yao
- Department of Clinical Veterinary Medicine, College of Veterinary Medicine, Jilin University, Changchun, Jilin Province, 130062, PR China
| | - Caijun Zhao
- Department of Clinical Veterinary Medicine, College of Veterinary Medicine, Jilin University, Changchun, Jilin Province, 130062, PR China
| | - Xiaoyu Hu
- Department of Clinical Veterinary Medicine, College of Veterinary Medicine, Jilin University, Changchun, Jilin Province, 130062, PR China
| | - Yongguo Cao
- Department of Clinical Veterinary Medicine, College of Veterinary Medicine, Jilin University, Changchun, Jilin Province, 130062, PR China
| | - Naisheng Zhang
- Department of Clinical Veterinary Medicine, College of Veterinary Medicine, Jilin University, Changchun, Jilin Province, 130062, PR China
| | - Yunhe Fu
- Department of Clinical Veterinary Medicine, College of Veterinary Medicine, Jilin University, Changchun, Jilin Province, 130062, PR China
| | - Haiqing Shen
- Department of Clinical Veterinary Medicine, College of Veterinary Medicine, Jilin University, Changchun, Jilin Province, 130062, PR China.
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Catalase-Like Antioxidant Activity is Unaltered in Hypochlorous Acid Oxidized Horse Heart Myoglobin. Antioxidants (Basel) 2019; 8:antiox8090414. [PMID: 31540488 PMCID: PMC6770884 DOI: 10.3390/antiox8090414] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/27/2019] [Revised: 08/27/2019] [Accepted: 09/16/2019] [Indexed: 01/01/2023] Open
Abstract
Activated neutrophils release myeloperoxidase that produces the potent oxidant hypochlorous acid (HOCl). Exposure of the oxygen transport protein horse heart myoglobin (hhMb) to HOCl inhibits Iron III (Fe(III))-heme reduction by cytochrome b5 to oxygen-binding Iron II (Fe(II))Mb. Pathological concentrations of HOCl yielded myoglobin oxidation products of increased electrophoretic mobility and markedly different UV/Vis absorbance. Mass analysis indicated HOCl caused successive mass increases of 16 a.m.u., consistent serial addition of molecular oxygen to the protein. By contrast, parallel analysis of protein chlorination by quantitative mass spectrometry revealed a comparatively minor increase in the 3-chlorotyrosine/tyrosine ratio. Pre-treatment of hhMb with HOCl affected the peroxidase reaction between the hemoprotein and H2O2 as judged by a HOCl dose-dependent decrease in spin-trapped tyrosyl radical detected by electron paramagnetic resonance (EPR) spectroscopy and the rate constant of 2,2'-azino-bis(3-ethylbenzothiazoline-6-sulphonic acid (ABTS) oxidation. By contrast, Mb catalase-like antioxidant activity remained unchanged under the same conditions. Notably, HOCl-modification of Mb decreased the rate of ferric-to-ferrous Mb reduction by a cytochrome b5 reductase system. Taken together, these data indicate oxidizing HOCl promotes Mb oxidation but not chlorination and that oxidized Mb shows altered Mb peroxidase-like activity and diminished rates of one-electron reduction by cytochrome b5 reductase, possibly affecting oxygen storage and transport however, Mb-catalase-like antioxidant activity remains unchanged.
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Ulfig A, Schulz AV, Müller A, Lupilov N, Leichert LI. N-chlorination mediates protective and immunomodulatory effects of oxidized human plasma proteins. eLife 2019; 8:47395. [PMID: 31298656 PMCID: PMC6650281 DOI: 10.7554/elife.47395] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/03/2019] [Accepted: 07/11/2019] [Indexed: 12/18/2022] Open
Abstract
Hypochlorous acid (HOCl), a powerful antimicrobial oxidant, is produced by neutrophils to fight infections. Here, we show that N-chlorination, induced by HOCl concentrations encountered at sites of inflammation, converts blood plasma proteins into chaperone-like holdases that protect other proteins from aggregation. This chaperone-like conversion was reversible by antioxidants and was abrogated by prior methylation of basic amino acids. Furthermore, reversible N-chlorination of basic amino acid side chains is the major factor that converts plasma proteins into efficient activators of immune cells. Finally, HOCl-modified serum albumin was found to act as a pro-survival molecule that protects neutrophils from cell death induced by highly immunogenic foreign antigens. We propose that activation and enhanced persistence of neutrophils mediated by HOCl-modified plasma proteins, resulting in the increased and prolonged generation of ROS, including HOCl, constitutes a potentially detrimental positive feedback loop that can only be attenuated through the reversible nature of the modification involved.
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Affiliation(s)
- Agnes Ulfig
- Institute of Biochemistry and Pathobiochemistry - Microbial Biochemistry, Ruhr University Bochum, Bochum, Germany
| | - Anton V Schulz
- Institute of Biochemistry and Pathobiochemistry - Microbial Biochemistry, Ruhr University Bochum, Bochum, Germany
| | - Alexandra Müller
- Institute of Biochemistry and Pathobiochemistry - Microbial Biochemistry, Ruhr University Bochum, Bochum, Germany
| | - Natalie Lupilov
- Institute of Biochemistry and Pathobiochemistry - Microbial Biochemistry, Ruhr University Bochum, Bochum, Germany
| | - Lars I Leichert
- Institute of Biochemistry and Pathobiochemistry - Microbial Biochemistry, Ruhr University Bochum, Bochum, Germany
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Hoskin TS, Crowther JM, Cheung J, Epton MJ, Sly PD, Elder PA, Dobson RCJ, Kettle AJ, Dickerhof N. Oxidative cross-linking of calprotectin occurs in vivo, altering its structure and susceptibility to proteolysis. Redox Biol 2019; 24:101202. [PMID: 31015146 PMCID: PMC6477633 DOI: 10.1016/j.redox.2019.101202] [Citation(s) in RCA: 27] [Impact Index Per Article: 5.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/01/2019] [Revised: 04/09/2019] [Accepted: 04/11/2019] [Indexed: 01/27/2023] Open
Abstract
Calprotectin, the major neutrophil protein, is a critical alarmin that modulates inflammation and plays a role in host immunity by strongly binding trace metals essential for bacterial growth. It has two cysteine residues favourably positioned to act as a redox switch. Whether their oxidation occurs in vivo and affects the function of calprotectin has received little attention. Here we show that in saliva from healthy adults, and in lavage fluid from the lungs of patients with respiratory diseases, a substantial proportion of calprotectin was cross-linked via disulfide bonds between the cysteine residues on its S100A8 and S100A9 subunits. Stimulated human neutrophils released calprotectin and subsequently cross-linked it by myeloperoxidase-dependent production of hypochlorous acid. The myeloperoxidase-derived oxidants hypochlorous acid, taurine chloramine, hypobromous acid, and hypothiocyanous acid, all at 10 μM, cross-linked calprotectin (5 μM) via reversible disulfide bonds. Hypochlorous acid generated A9-A9 and A8-A9 cross links. Hydrogen peroxide (10 μM) did not cross-link the protein. Purified neutrophil calprotectin existed as a non-covalent heterodimer of A8/A9 which was converted to a heterotetramer - (A8/A9)2 - with excess calcium ions. Low level oxidation of calprotectin with hypochlorous acid produced substantial proportions of high order oligomers, whether oxidation occurred before or after addition of calcium ions. At high levels of oxidation the heterodimer could not form tetramers with calcium ions, but prior addition of calcium ions afforded some protection for the heterotetramer. Oxidation and formation of the A8-A9 disulfide cross link enhanced calprotectin's susceptibility to proteolysis by neutrophil proteases. We propose that reversible disulfide cross-linking of calprotectin occurs during inflammation and affects its structure and function. Its increased susceptibility to proteolysis will ultimately result in a loss of function.
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Affiliation(s)
- Teagan S Hoskin
- Centre for Free Radical Research, Department of Pathology and Biomedical Science, University of Otago Christchurch, Christchurch, New Zealand.
| | - Jennifer M Crowther
- Biomolecular Interaction Centre, School of Biological Sciences, University of Canterbury, Christchurch, New Zealand
| | - Jeanette Cheung
- Canterbury Respiratory Research Group, Respiratory Services, Christchurch Hospital, Canterbury District Health Board, New Zealand
| | - Michael J Epton
- Canterbury Respiratory Research Group, Respiratory Services, Christchurch Hospital, Canterbury District Health Board, New Zealand
| | - Peter D Sly
- Child Health Research Centre, University of Queensland, Brisbane, Australia
| | - Peter A Elder
- Endocrinology and Steroid Laboratory, Canterbury Health Laboratories, New Zealand
| | - Renwick C J Dobson
- Biomolecular Interaction Centre, School of Biological Sciences, University of Canterbury, Christchurch, New Zealand; Bio21 Molecular Science and Biotechnology Institute, Department of Biochemistry and Molecular Biology, University of Melbourne, Parkville, Victoria 3010, Australia
| | - Anthony J Kettle
- Centre for Free Radical Research, Department of Pathology and Biomedical Science, University of Otago Christchurch, Christchurch, New Zealand
| | - Nina Dickerhof
- Centre for Free Radical Research, Department of Pathology and Biomedical Science, University of Otago Christchurch, Christchurch, New Zealand
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Jia P, Zhuang Z, Liu C, Wang Z, Duan Q, Li Z, Zhu H, Du B, Zhu B, Sheng W, Kang B. A highly specific and ultrasensitive p-aminophenylether-based fluorescent probe for imaging native HOCl in live cells and zebrafish. Anal Chim Acta 2019; 1052:131-136. [DOI: 10.1016/j.aca.2018.11.031] [Citation(s) in RCA: 29] [Impact Index Per Article: 5.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/11/2018] [Revised: 11/12/2018] [Accepted: 11/14/2018] [Indexed: 11/27/2022]
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Dusane DH, Lochab V, Jones T, Peters CW, Sindeldecker D, Das A, Roy S, Sen CK, Subramaniam VV, Wozniak DJ, Prakash S, Stoodley P. Electroceutical Treatment of Pseudomonas aeruginosa Biofilms. Sci Rep 2019; 9:2008. [PMID: 30765750 PMCID: PMC6375951 DOI: 10.1038/s41598-018-37891-y] [Citation(s) in RCA: 24] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/16/2018] [Accepted: 11/30/2018] [Indexed: 02/08/2023] Open
Abstract
Electroceutical wound dressings, especially those involving current flow with silver based electrodes, show promise for treating biofilm infections. However, their mechanism of action is poorly understood. We have developed an in vitro agar based model using a bioluminescent strain of Pseudomonas aeruginosa to measure loss of activity and killing when direct current was applied. Silver electrodes were overlaid with agar and lawn biofilms grown for 24 h. A 6 V battery with 1 kΩ ballast resistor was used to treat the biofilms for 1 h or 24 h. Loss of bioluminescence and a 4-log reduction in viable cells was achieved over the anode. Scanning electron microscopy showed damaged cells and disrupted biofilm architecture. The antimicrobial activity continued to spread from the anode for at least 2 days, even after turning off the current. Based on possible electrochemical ractions of silver electrodes in chlorine containing medium; pH measurements of the medium post treatment; the time delay between initiation of treatment and observed bactericidal effects; and the presence of chlorotyrosine in the cell lysates, hypochlorous acid is hypothesized to be the chemical agent responsible for the observed (destruction/killing/eradication) of these biofilm forming bacteria. Similar killing was obtained with gels containing only bovine synovial fluid or human serum. These results suggest that our in vitro model could serve as a platform for fundamental studies to explore the effects of electrochemical treatment on biofilms, complementing clinical studies with electroceutical dressings.
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Affiliation(s)
- Devendra H Dusane
- Department of Microbial Infection and Immunity, The Ohio State University, Columbus, Ohio, 43210, USA
| | - Varun Lochab
- Department of Mechanical and Aerospace Engineering, The Ohio State University, Columbus, Ohio, 43210, USA
| | - Travis Jones
- Department of Mechanical and Aerospace Engineering, The Ohio State University, Columbus, Ohio, 43210, USA
| | - Casey W Peters
- Department of Microbial Infection and Immunity, The Ohio State University, Columbus, Ohio, 43210, USA
| | - Devin Sindeldecker
- Department of Microbial Infection and Immunity, The Ohio State University, Columbus, Ohio, 43210, USA
| | - Amitava Das
- Department of Surgery, IU Health Comprehensive Wound Center, Indiana Center for Regenerative Medicine and Engineering, Indiana University School of Medicine, Indianapolis, IN, 46202, USA.,Comprehensive Wound Center and Department of Surgery, The Ohio State University Wexner Medical Center, Columbus, Ohio, 43210, USA
| | - Sashwati Roy
- Department of Surgery, IU Health Comprehensive Wound Center, Indiana Center for Regenerative Medicine and Engineering, Indiana University School of Medicine, Indianapolis, IN, 46202, USA.,Comprehensive Wound Center and Department of Surgery, The Ohio State University Wexner Medical Center, Columbus, Ohio, 43210, USA
| | - Chandan K Sen
- Department of Surgery, IU Health Comprehensive Wound Center, Indiana Center for Regenerative Medicine and Engineering, Indiana University School of Medicine, Indianapolis, IN, 46202, USA.,Comprehensive Wound Center and Department of Surgery, The Ohio State University Wexner Medical Center, Columbus, Ohio, 43210, USA
| | - Vish V Subramaniam
- Department of Mechanical and Aerospace Engineering, The Ohio State University, Columbus, Ohio, 43210, USA
| | - Daniel J Wozniak
- Department of Microbial Infection and Immunity, The Ohio State University, Columbus, Ohio, 43210, USA
| | - Shaurya Prakash
- Department of Mechanical and Aerospace Engineering, The Ohio State University, Columbus, Ohio, 43210, USA.
| | - Paul Stoodley
- Department of Microbial Infection and Immunity, The Ohio State University, Columbus, Ohio, 43210, USA. .,Department of Orthopaedics, The Ohio State University, Columbus, Ohio, 43210, USA. .,National Centre for Advanced Tribology, Mechanical Engineering, University of Southampton, Southampton, UK.
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40
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Kwon N, Hu Y, Yoon J. Fluorescent Chemosensors for Various Analytes Including Reactive Oxygen Species, Biothiol, Metal Ions, and Toxic Gases. ACS OMEGA 2018; 3:13731-13751. [PMID: 31458074 PMCID: PMC6644585 DOI: 10.1021/acsomega.8b01717] [Citation(s) in RCA: 54] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 07/19/2018] [Accepted: 09/14/2018] [Indexed: 06/10/2023]
Abstract
The development of fluorescent chemosensors for various analytes has been actively pursued by chemists. Since their inception, these efforts have led to many new sensors that have found wide applications in the fields of chemistry, biology, environmental science, and physiology. The search for fluorescent chemosensors was initiated by a few pioneering groups in the late 1970s and 1980s and blossomed during the last two decades to include more than hundreds of research groups around the world. The targets for these sensors vary from metal ions, anions, reactive oxygen/nitrogen species, biothiols, and toxic gases. Our group has made contributions to this area in last 18 years. In this perspective, we briefly introduce the history of chemosensors and review studies that we have carried out.
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Affiliation(s)
- Nahyun Kwon
- Department
of Chemistry and Nano Science, Ewha Womans
University, Seoul 03760, Korea
| | - Ying Hu
- Department
of Chemistry and Nano Science, Ewha Womans
University, Seoul 03760, Korea
- College
of Chemical Engineering, Zhejiang University
of Technology, Hangzhou, Zhejiang 310014, P. R. China
| | - Juyoung Yoon
- Department
of Chemistry and Nano Science, Ewha Womans
University, Seoul 03760, Korea
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Pak YL, Park SJ, Xu Q, Kim HM, Yoon J. Ratiometric Two-Photon Fluorescent Probe for Detecting and Imaging Hypochlorite. Anal Chem 2018; 90:9510-9514. [DOI: 10.1021/acs.analchem.8b02195] [Citation(s) in RCA: 72] [Impact Index Per Article: 12.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/03/2023]
Affiliation(s)
- Yen Leng Pak
- Department of Chemistry and Nano Science, Ewha Womans University, Seoul 120-750, Korea
| | - Sang Jun Park
- Department of Energy Systems Research, Ajou University, Suwon, Gyeonggi-do 443-749, Korea
| | - Qingling Xu
- School of Chemical Sciences, University of Chinese Academy of Sciences, Beijing 100049, P. R. China
| | - Hwan Myung Kim
- Department of Energy Systems Research, Ajou University, Suwon, Gyeonggi-do 443-749, Korea
| | - Juyoung Yoon
- Department of Chemistry and Nano Science, Ewha Womans University, Seoul 120-750, Korea
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Nguyen KH, Hao Y, Zeng K, Fan S, Li F, Yuan S, Ding X, Xu M, Liu YN. A benzothiazole-based fluorescent probe for hypochlorous acid detection and imaging in living cells. SPECTROCHIMICA ACTA. PART A, MOLECULAR AND BIOMOLECULAR SPECTROSCOPY 2018; 199:189-193. [PMID: 29604608 DOI: 10.1016/j.saa.2018.03.055] [Citation(s) in RCA: 20] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/09/2018] [Revised: 03/17/2018] [Accepted: 03/23/2018] [Indexed: 06/08/2023]
Abstract
A benzothiazole-based turn-on fluorescent probe with a large Stokes shift (190nm) has been developed for hypochlorous acid detection. The probe displays prompt fluorescence response for HClO with excellent selectivity over other reactive oxygen species as well as a low detection limit of 0.08μM. The sensing mechanism involves the HClO-induced specific oxidation of oxime moiety of the probe to nitrile oxide, which was confirmed by HPLC-MS technique. Furthermore, imaging studies demonstrated that the probe is cell permeable and can be applied to detect HClO in living cells.
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Affiliation(s)
- Khac Hong Nguyen
- College of Chemistry and Chemical Engineering, Central South University, Changsha, Hunan 410083, PR China; Henan Key Laboratory of Biomolecular Recognition and Sensing, College of Chemistry and Chemical Engineering, Shangqiu Normal University, Shangqiu, Hunan 476000, PR China
| | - Yuanqiang Hao
- Henan Key Laboratory of Biomolecular Recognition and Sensing, College of Chemistry and Chemical Engineering, Shangqiu Normal University, Shangqiu, Hunan 476000, PR China.
| | - Ke Zeng
- College of Chemistry and Chemical Engineering, Central South University, Changsha, Hunan 410083, PR China
| | - Shengnan Fan
- Henan Key Laboratory of Biomolecular Recognition and Sensing, College of Chemistry and Chemical Engineering, Shangqiu Normal University, Shangqiu, Hunan 476000, PR China
| | - Fen Li
- Henan Key Laboratory of Biomolecular Recognition and Sensing, College of Chemistry and Chemical Engineering, Shangqiu Normal University, Shangqiu, Hunan 476000, PR China
| | - Suke Yuan
- Henan Key Laboratory of Biomolecular Recognition and Sensing, College of Chemistry and Chemical Engineering, Shangqiu Normal University, Shangqiu, Hunan 476000, PR China
| | - Xuejing Ding
- Henan Key Laboratory of Biomolecular Recognition and Sensing, College of Chemistry and Chemical Engineering, Shangqiu Normal University, Shangqiu, Hunan 476000, PR China
| | - Maotian Xu
- Henan Key Laboratory of Biomolecular Recognition and Sensing, College of Chemistry and Chemical Engineering, Shangqiu Normal University, Shangqiu, Hunan 476000, PR China
| | - You-Nian Liu
- College of Chemistry and Chemical Engineering, Central South University, Changsha, Hunan 410083, PR China.
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Peng P, Li H, Bai L, Wang L, Chen B, Yu C, Zhang C, Ge J, Li L, Huang W. Photocontrollable Fluorogenic Probe for Visualizing Near‐Membrane Hypochlorite in Live Cells. ChemistrySelect 2018. [DOI: 10.1002/slct.201800777] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
Affiliation(s)
- Pingping Peng
- Key Laboratory of Flexible Electronics (KLOFE) & Institute of Advanced Materials (IAM)Jiangsu National Synergetic Innovation Center for Advanced Materials (SICAM)Nanjing Tech University (NanjingTech) Nanjing 211816 China
| | - Hao Li
- Key Laboratory of Flexible Electronics (KLOFE) & Institute of Advanced Materials (IAM)Jiangsu National Synergetic Innovation Center for Advanced Materials (SICAM)Nanjing Tech University (NanjingTech) Nanjing 211816 China
| | - Lei Bai
- Key Laboratory of Flexible Electronics (KLOFE) & Institute of Advanced Materials (IAM)Jiangsu National Synergetic Innovation Center for Advanced Materials (SICAM)Nanjing Tech University (NanjingTech) Nanjing 211816 China
| | - Liulin Wang
- Key Laboratory of Flexible Electronics (KLOFE) & Institute of Advanced Materials (IAM)Jiangsu National Synergetic Innovation Center for Advanced Materials (SICAM)Nanjing Tech University (NanjingTech) Nanjing 211816 China
| | - Buxiang Chen
- Key Laboratory of Flexible Electronics (KLOFE) & Institute of Advanced Materials (IAM)Jiangsu National Synergetic Innovation Center for Advanced Materials (SICAM)Nanjing Tech University (NanjingTech) Nanjing 211816 China
| | - Changmin Yu
- Key Laboratory of Flexible Electronics (KLOFE) & Institute of Advanced Materials (IAM)Jiangsu National Synergetic Innovation Center for Advanced Materials (SICAM)Nanjing Tech University (NanjingTech) Nanjing 211816 China
| | - Chengwu Zhang
- Key Laboratory of Flexible Electronics (KLOFE) & Institute of Advanced Materials (IAM)Jiangsu National Synergetic Innovation Center for Advanced Materials (SICAM)Nanjing Tech University (NanjingTech) Nanjing 211816 China
| | - Jingyan Ge
- Key Laboratory of Bioorganic Synthesis of Zhejiang ProvinceCollege of Biotechnology and BioengineeringZhejiang University of Technology, Hangzhou 310014, P. R. China
| | - Lin Li
- Key Laboratory of Flexible Electronics (KLOFE) & Institute of Advanced Materials (IAM)Jiangsu National Synergetic Innovation Center for Advanced Materials (SICAM)Nanjing Tech University (NanjingTech) Nanjing 211816 China
| | - Wei Huang
- Key Laboratory of Flexible Electronics (KLOFE) & Institute of Advanced Materials (IAM)Jiangsu National Synergetic Innovation Center for Advanced Materials (SICAM)Nanjing Tech University (NanjingTech) Nanjing 211816 China
- Shanxi Institute of Flexible Electronics (SIFE)Northwestern Polytechnical University 127 West Youyi Road Xi'an 710072, P. R. China
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44
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Li C, Hai J, Li S, Wang B, Yang Z. Luminescent magnetic nanoparticles encapsulated in MOFs for highly selective and sensitive detection of ClO -/SCN - and anti-counterfeiting. NANOSCALE 2018; 10:8667-8676. [PMID: 29700546 DOI: 10.1039/c8nr01487f] [Citation(s) in RCA: 34] [Impact Index Per Article: 5.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/08/2023]
Abstract
It is well-known that ClO- and SCN- can cause adverse effects on the environment and organisms; therefore, development of new strategies for detecting ClO- and SCN-, especially in water, are highly desirable. Here, we present luminous Eu(iii) complex-functionalized Fe3O4 nanoparticles encapsulated into zeolitic imidazolate framework materials (nano-ZIF-8) and successfully employ this nano-MOF as a fluorescence probe for selective and sensitive detection of ClO- and SCN-. The introduction of ClO- into nano-ZIF-8 solution induced a significant decrease in the characteristic fluorescence emission of Eu3+ at 613 nm. However, strong fluorescence emission was again observed when SCN- was successively injected into the prepared nano-ZIF-8-ClO-. Thus, a novel fluorescence system for simultaneous detection of free ClO- and SCN- was established. On the basis of the superior adsorption performance of nano-MOF materials, free residual ClO- and SCN- in water was rapidly, sensitively and selectively detected with a detection limit of 0.133 nM and 0.204 nM, respectively. Moreover, nano-ZIF-8 was successfully used for monitoring the concentration levels of ClO- and SCN- in specimens of tap water and Yellow River water. Furthermore, the reversibility and regeneration of nano-ZIF-8 in sensing ClO- and SCN- is advantageous for applications of nano-ZIF-8 in solid-state sensing and anti-counterfeiting. As far as we know, this is the first time that nano-MOFs have been used as a selective fluorescence probe for ClO-/SCN- detection and anti-counterfeiting.
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Affiliation(s)
- Chaorui Li
- State Key Laboratory of Applied Organic Chemistry and Key Laboratory of Nonferrous Metal Chemistry and Resources Utilization of Gansu Province, Lanzhou University, Lanzhou 730000, P.R. China.
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45
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Aratani Y. Myeloperoxidase: Its role for host defense, inflammation, and neutrophil function. Arch Biochem Biophys 2018; 640:47-52. [PMID: 29336940 DOI: 10.1016/j.abb.2018.01.004] [Citation(s) in RCA: 511] [Impact Index Per Article: 85.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/12/2017] [Revised: 12/14/2017] [Accepted: 01/09/2018] [Indexed: 12/22/2022]
Abstract
Myeloperoxidase (MPO) is a heme-containing peroxidase expressed mainly in neutrophils and to a lesser degree in monocytes. In the presence of hydrogen peroxide and halides, MPO catalyzes the formation of reactive oxygen intermediates, including hypochlorous acid (HOCl). The MPO/HOCl system plays an important role in microbial killing by neutrophils. In addition, MPO has been demonstrated to be a local mediator of tissue damage and the resulting inflammation in various inflammatory diseases. These findings have implicated MPO as an important therapeutic target in the treatment of inflammatory conditions. In contrast to its injurious effects at sites of inflammation, recent studies using animal models of various inflammatory diseases have demonstrated that MPO deficiency results in the exaggeration of inflammatory response, and that it affects neutrophil functions including cytokine production. Given these diverse effects, a growing interest has emerged in the role of this well-studied enzyme in health and disease.
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Affiliation(s)
- Yasuaki Aratani
- Graduate School of Nanobioscience, Yokohama City University, Seto 22-2, Kanazawa, Yokohama 236-0027, Japan.
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Jiang P, Huang G, Jmaiff Blackstock LK, Zhang J, Li XF. Ascorbic Acid Assisted High Performance Liquid Chromatography Mass Spectrometry Differentiation of Isomeric C-Chloro- and N-Chloro-Tyrosyl Peptides in Water. Anal Chem 2017; 89:13642-13650. [DOI: 10.1021/acs.analchem.7b04262] [Citation(s) in RCA: 29] [Impact Index Per Article: 4.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/30/2022]
Affiliation(s)
- Ping Jiang
- Division
of Analytical and Environmental Toxicology, Department of Laboratory
Medicine and Pathology, Faculty of Medicine and Dentistry, University of Alberta Edmonton, Alberta Canada T6G 2G3
| | - Guang Huang
- Division
of Analytical and Environmental Toxicology, Department of Laboratory
Medicine and Pathology, Faculty of Medicine and Dentistry, University of Alberta Edmonton, Alberta Canada T6G 2G3
| | - Lindsay K. Jmaiff Blackstock
- Division
of Analytical and Environmental Toxicology, Department of Laboratory
Medicine and Pathology, Faculty of Medicine and Dentistry, University of Alberta Edmonton, Alberta Canada T6G 2G3
| | - Jianye Zhang
- Division
of Analytical and Environmental Toxicology, Department of Laboratory
Medicine and Pathology, Faculty of Medicine and Dentistry, University of Alberta Edmonton, Alberta Canada T6G 2G3
- College
of Chemistry and Molecular Engineering, Zhengzhou University, Henan, People’s Republic of China, 450052
| | - Xing-Fang Li
- Division
of Analytical and Environmental Toxicology, Department of Laboratory
Medicine and Pathology, Faculty of Medicine and Dentistry, University of Alberta Edmonton, Alberta Canada T6G 2G3
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47
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Green JN, Chapman ALP, Bishop CJ, Winterbourn CC, Kettle AJ. Neutrophil granule proteins generate bactericidal ammonia chloramine on reaction with hydrogen peroxide. Free Radic Biol Med 2017; 113:363-371. [PMID: 29055823 DOI: 10.1016/j.freeradbiomed.2017.10.343] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/29/2017] [Revised: 10/14/2017] [Accepted: 10/16/2017] [Indexed: 12/30/2022]
Abstract
The neutrophil enzyme, myeloperoxidase, by converting hydrogen peroxide (H2O2) and chloride to hypochlorous acid (HOCl), provides important defense against ingested micro-organisms. However, there is debate about how efficiently HOCl is produced within the phagosome and whether its reactions with phagosomal constituents influence the killing mechanism. The phagosome is a small space surrounding the ingested organism, into which superoxide, H2O2 and high concentrations of proteins from cytoplasmic granules are released. Previous studies imply that HOCl is produced in the phagosome, but a large proportion should react with proteins before reaching the microbe. To mimic these conditions, we subjected neutrophil granule extract to sequential doses of H2O2. Myeloperoxidase in the extract converted all the H2O2 to HOCl, which reacted with the granule proteins. 3-Chlorotyrosine, protein carbonyls and large amounts of chloramines were produced. At higher doses of H2O2, the extract developed potent bactericidal activity against Staphylococcus aureus. This activity was due to ammonia monochloramine, formed as a secondary product from protein chloramines and dichloramines. Isolated myeloperoxidase and elastase also became bactericidal when modified with HOCl and antibacterial activity was seen with a range of species. Comparison of levels of protein modification in the extract and in phagosomes implies that a relatively low proportion of phagosomal H2O2 would be converted to HOCl, but there should be sufficient for substantial protein chloramine formation and some breakdown to ammonia monochloramine. It is possible that HOCl could kill ingested bacteria by an indirect mechanism involving protein oxidation and monochloramine formation.
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Affiliation(s)
- Jessie N Green
- Centre for Free Radical Research, Department of Pathology, University of Otago Christchurch, Christchurch, New Zealand
| | - Anna L P Chapman
- Centre for Free Radical Research, Department of Pathology, University of Otago Christchurch, Christchurch, New Zealand
| | - Cynthia J Bishop
- Centre for Free Radical Research, Department of Pathology, University of Otago Christchurch, Christchurch, New Zealand
| | - Christine C Winterbourn
- Centre for Free Radical Research, Department of Pathology, University of Otago Christchurch, Christchurch, New Zealand.
| | - Anthony J Kettle
- Centre for Free Radical Research, Department of Pathology, University of Otago Christchurch, Christchurch, New Zealand
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Madrigal-Matute J, Martinez-Pinna R, Ramos-Mozo P, Blanco-Colio L, Moreno J, Tarin C, Burillo E, Fernandez-Garcia C, Egido J, Meilhac O, Michel JB, Martin-Ventura J. Erythrocytes, leukocytes and platelets as a source of oxidative stress in chronic vascular diseases: Detoxifying mechanisms and potential therapeutic options. Thromb Haemost 2017; 108:435-42. [DOI: 10.1160/th12-04-0248] [Citation(s) in RCA: 48] [Impact Index Per Article: 6.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/18/2012] [Accepted: 06/21/2012] [Indexed: 12/15/2022]
Abstract
SummaryOxidative stress is involved in the chronic pathological vascular remodelling of both abdominal aortic aneurysm and occlusive atherosclerosis. Red blood cells (RBCs), leukocytes and platelets present in both, aneurysmal intraluminal thrombus and intraplaque haemorraghes, could be involved in the redox imbalance inside diseased arterial tissues. RBCs haemolysis may release the pro-oxidant haemoglobin (Hb), which transfers heme to tissue and low-density lipoproteins. Heme-iron potentiates molecular, cell and tissue toxicity mediated by leukocytes and other sources of reactive oxygen species (ROS). Polymorphonuclear neutrophils release myeloperoxidase and, along with activated platelets, produce superoxide mediated by NADPH oxidase, causing oxidative damage. In response to this pro-oxidant milieu, several anti-oxidant molecules of plasma or cell origin can prevent ROS production. Free Hb binds to haptoglobin (Hp) and once Hp-Hb complex is endocytosed by CD163, liberated heme is converted into less toxic compounds by heme oxygenase-1. Iron homeostasis is mainly regulated by transferrin, which transports ferric ions to other cells. Transferrin-bound iron is internalised via endocytosis mediated by transferrin receptor. Once inside the cell, iron is mainly stored by ferritin. Other non hemo-iron related antioxidant enzymes (e.g. superoxide dismutase, catalase, thioredoxin and peroxiredoxin) are also involved in redox modulation in vascular remodelling. Oxidative stress is a main determinant of chronic pathological remodelling of the arterial wall, partially linked to the presence of RBCs, leukocytes, platelets and oxidised fibrin within tissue and to the imbalance between pro-/anti-oxidant molecules. Understanding the complex mechanisms underlying redox imbalance could help to define novel potential targets to decrease atherothrombotic risk.
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Pierce AA, Duwaerts CC, Siao K, Mattis AN, Goodsell A, Baron JL, Maher JJ. CD18 deficiency improves liver injury in the MCD model of steatohepatitis. PLoS One 2017; 12:e0183912. [PMID: 28873429 PMCID: PMC5584926 DOI: 10.1371/journal.pone.0183912] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/18/2017] [Accepted: 08/14/2017] [Indexed: 02/06/2023] Open
Abstract
Neutrophils and macrophages are important constituents of the hepatic inflammatory infiltrate in non-alcoholic steatohepatitis. These innate immune cells express CD18, an adhesion molecule that facilitates leukocyte activation. In the context of fatty liver, activation of infiltrated leukocytes is believed to enhance hepatocellular injury. The objective of this study was to determine the degree to which activated innate immune cells promote steatohepatitis by comparing hepatic outcomes in wild-type and CD18-mutant mice fed a methionine-choline-deficient (MCD) diet. After 3 weeks of MCD feeding, hepatocyte injury, based on serum ALT elevation, was 40% lower in CD18-mutant than wild-type mice. Leukocyte infiltration into the liver was not impaired in CD18-mutant mice, but leukocyte activation was markedly reduced, as shown by the lack of evidence of oxidant production. Despite having reduced hepatocellular injury, CD18-mutant mice developed significantly more hepatic steatosis than wild-type mice after MCD feeding. This coincided with greater hepatic induction of pro-inflammatory and lipogenic genes as well as a modest reduction in hepatic expression of adipose triglyceride lipase. Overall, the data indicate that CD18 deficiency curbs MCD-mediated liver injury by limiting the activation of innate immune cells in the liver without compromising intrahepatic cytokine activation. Reduced liver injury occurs at the expense of increased hepatic steatosis, which suggests that in addition to damaging hepatocytes, infiltrating leukocytes may influence lipid homeostasis in the liver.
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Affiliation(s)
- Andrew A. Pierce
- Department of Medicine, University of California, San Francisco, San Francisco, California, United States of America
- Liver Center, University of California, San Francisco, San Francisco, California, United States of America
| | - Caroline C. Duwaerts
- Department of Medicine, University of California, San Francisco, San Francisco, California, United States of America
- Liver Center, University of California, San Francisco, San Francisco, California, United States of America
| | - Kevin Siao
- Department of Medicine, University of California, San Francisco, San Francisco, California, United States of America
- Liver Center, University of California, San Francisco, San Francisco, California, United States of America
| | - Aras N. Mattis
- Liver Center, University of California, San Francisco, San Francisco, California, United States of America
- Department of Pathology, University of California, San Francisco, San Francisco, California, United States of America
| | - Amanda Goodsell
- Department of Medicine, University of California, San Francisco, San Francisco, California, United States of America
- Liver Center, University of California, San Francisco, San Francisco, California, United States of America
| | - Jody L. Baron
- Department of Medicine, University of California, San Francisco, San Francisco, California, United States of America
- Liver Center, University of California, San Francisco, San Francisco, California, United States of America
| | - Jacquelyn J. Maher
- Department of Medicine, University of California, San Francisco, San Francisco, California, United States of America
- Liver Center, University of California, San Francisco, San Francisco, California, United States of America
- * E-mail:
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50
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How ZT, Kristiana I, Busetti F, Linge KL, Joll CA. Organic chloramines in chlorine-based disinfected water systems: A critical review. J Environ Sci (China) 2017; 58:2-18. [PMID: 28774610 DOI: 10.1016/j.jes.2017.05.025] [Citation(s) in RCA: 25] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/19/2016] [Revised: 05/15/2017] [Accepted: 05/15/2017] [Indexed: 06/07/2023]
Abstract
This paper is a critical review of current knowledge of organic chloramines in water systems, including their formation, stability, toxicity, analytical methods for detection, and their impact on drinking water treatment and quality. The term organic chloramines may refer to any halogenated organic compounds measured as part of combined chlorine (the difference between the measured free and total chlorine concentrations), and may include N-chloramines, N-chloramino acids, N-chloraldimines and N-chloramides. Organic chloramines can form when dissolved organic nitrogen or dissolved organic carbon react with either free chlorine or inorganic chloramines. They are potentially harmful to humans and may exist as an intermediate for other disinfection by-products. However, little information is available on the formation or occurrence of organic chloramines in water due to a number of challenges. One of the biggest challenges for the identification and quantification of organic chloramines in water systems is the lack of appropriate analytical methods. In addition, many of the organic chloramines that form during disinfection are unstable, which results in difficulties in sampling and detection. To date research has focussed on the study of organic monochloramines. However, given that breakpoint chlorination is commonly undertaken in water treatment systems, the formation of organic dichloramines should also be considered. Organic chloramines can be formed from many different precursors and pathways. Therefore, studying the occurrence of their precursors in water systems would enable better prediction and management of their formation.
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Affiliation(s)
- Zuo Tong How
- Curtin Water Quality Research Centre, Department of Chemistry, Curtin University, Perth, Western Australia 6102, Australia
| | - Ina Kristiana
- Curtin Water Quality Research Centre, Department of Chemistry, Curtin University, Perth, Western Australia 6102, Australia
| | - Francesco Busetti
- Curtin Water Quality Research Centre, Department of Chemistry, Curtin University, Perth, Western Australia 6102, Australia
| | - Kathryn L Linge
- Curtin Water Quality Research Centre, Department of Chemistry, Curtin University, Perth, Western Australia 6102, Australia.
| | - Cynthia A Joll
- Curtin Water Quality Research Centre, Department of Chemistry, Curtin University, Perth, Western Australia 6102, Australia
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