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Khramova YV, Katrukha VA, Chebanenko VV, Kostyuk AI, Gorbunov NP, Panasenko OM, Sokolov AV, Bilan DS. Reactive Halogen Species: Role in Living Systems and Current Research Approaches. BIOCHEMISTRY. BIOKHIMIIA 2024; 89:S90-S111. [PMID: 38621746 DOI: 10.1134/s0006297924140062] [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: 08/31/2023] [Revised: 09/21/2023] [Accepted: 10/04/2023] [Indexed: 04/17/2024]
Abstract
Reactive halogen species (RHS) are highly reactive compounds that are normally required for regulation of immune response, inflammatory reactions, enzyme function, etc. At the same time, hyperproduction of highly reactive compounds leads to the development of various socially significant diseases - asthma, pulmonary hypertension, oncological and neurodegenerative diseases, retinopathy, and many others. The main sources of (pseudo)hypohalous acids are enzymes from the family of heme peroxidases - myeloperoxidase, lactoperoxidase, eosinophil peroxidase, and thyroid peroxidase. Main targets of these compounds are proteins and peptides, primarily methionine and cysteine residues. Due to the short lifetime, detection of RHS can be difficult. The most common approach is detection of myeloperoxidase, which is thought to reflect the amount of RHS produced, but these methods are indirect, and the results are often contradictory. The most promising approaches seem to be those that provide direct registration of highly reactive compounds themselves or products of their interaction with components of living cells, such as fluorescent dyes. However, even such methods have a number of limitations and can often be applied mainly for in vitro studies with cell culture. Detection of reactive halogen species in living organisms in real time is a particularly acute issue. The present review is devoted to RHS, their characteristics, chemical properties, peculiarities of interaction with components of living cells, and methods of their detection in living systems. Special attention is paid to the genetically encoded tools, which have been introduced recently and allow avoiding a number of difficulties when working with living systems.
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Affiliation(s)
- Yuliya V Khramova
- Faculty of Biology, Lomonosov Moscow State University, Moscow, 119234, Russia.
- Shemyakin-Ovchinnikov Institute of Bioorganic Chemistry, Russian Academy of Sciences, Moscow, 117997, Russia
| | - Veronika A Katrukha
- Faculty of Biology, Lomonosov Moscow State University, Moscow, 119234, Russia
- Shemyakin-Ovchinnikov Institute of Bioorganic Chemistry, Russian Academy of Sciences, Moscow, 117997, Russia
| | - Victoria V Chebanenko
- Faculty of Biology, Lomonosov Moscow State University, Moscow, 119234, Russia
- Shemyakin-Ovchinnikov Institute of Bioorganic Chemistry, Russian Academy of Sciences, Moscow, 117997, Russia
| | - Alexander I Kostyuk
- Shemyakin-Ovchinnikov Institute of Bioorganic Chemistry, Russian Academy of Sciences, Moscow, 117997, Russia
- Center for Precision Genome Editing and Genetic Technologies for Biomedicine, Pirogov Russian National Research Medical University, Moscow, 117997, Russia
| | | | - Oleg M Panasenko
- Lopukhin Federal Research and Clinical Center of Physical-Chemical Medicine, Federal Medical Biological Agency, Moscow, 119435, Russia
| | - Alexey V Sokolov
- Institute of Experimental Medicine, Saint-Petersburg, 197022, Russia.
- Lopukhin Federal Research and Clinical Center of Physical-Chemical Medicine, Federal Medical Biological Agency, Moscow, 119435, Russia
| | - Dmitry S Bilan
- Shemyakin-Ovchinnikov Institute of Bioorganic Chemistry, Russian Academy of Sciences, Moscow, 117997, Russia.
- Center for Precision Genome Editing and Genetic Technologies for Biomedicine, Pirogov Russian National Research Medical University, Moscow, 117997, Russia
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Kumar H, Dhalaria R, Guleria S, Cimler R, Sharma R, Siddiqui SA, Valko M, Nepovimova E, Dhanjal DS, Singh R, Kumar V, Pathera AK, Verma N, Kaur T, Manickam S, Alomar SY, Kuča K. Anti-oxidant potential of plants and probiotic spp. in alleviating oxidative stress induced by H 2O 2. Biomed Pharmacother 2023; 165:115022. [PMID: 37336149 DOI: 10.1016/j.biopha.2023.115022] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/02/2023] [Revised: 06/11/2023] [Accepted: 06/13/2023] [Indexed: 06/21/2023] Open
Abstract
Cells produce reactive oxygen species (ROS) as a metabolic by-product. ROS molecules trigger oxidative stress as a feedback response that significantly initiates biological processes such as autophagy, apoptosis, and necrosis. Furthermore, extensive research has revealed that hydrogen peroxide (H2O2) is an important ROS entity and plays a crucial role in several physiological processes, including cell differentiation, cell signalling, and apoptosis. However, excessive production of H2O2 has been shown to disrupt biomolecules and cell organelles, leading to an inflammatory response and contributing to the development of health complications such as collagen deposition, aging, liver fibrosis, sepsis, ulcerative colitis, etc. Extracts of different plant species, phytochemicals, and Lactobacillus sp (probiotic) have been reported for their anti-oxidant potential. In this view, the researchers have gained significant interest in exploring the potential plants spp., their phytochemicals, and the potential of Lactobacillus sp. strains that exhibit anti-oxidant properties and health benefits. Thus, the current review focuses on comprehending the information related to the formation of H2O2, the factors influencing it, and their pathophysiology imposed on human health. Moreover, this review also discussed the anti-oxidant potential and role of different extract of plants, Lactobacillus sp. and their fermented products in curbing H2O2‑induced oxidative stress in both in-vitro and in-vivo models via boosting the anti-oxidative activity, inhibiting of important enzyme release and downregulation of cytochrome c, cleaved caspases-3, - 8, and - 9 expression. In particular, this knowledge will assist R&D sections in biopharmaceutical and food industries in developing herbal medicine and probiotics-based or derived food products that can effectively alleviate oxidative stress issues induced by H2O2 generation.
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Affiliation(s)
- Harsh Kumar
- Centre of Advanced Technologies, Faculty of Science, University of Hradec Kralove, Rokitanskeho 62, 50003 Hradec Kralove, Czech Republic
| | - Rajni Dhalaria
- School of Biological and Environmental Sciences, Shoolini University of Biotechnology and Management Sciences, Solan 173229, India
| | - Shivani Guleria
- Department of Biotechnology, TIFAC-Centre of Relevance and Excellence in Agro and Industrial Biotechnology (CORE), Thapar Institute of Engineering and Technology, Patiala 147001, India
| | - Richard Cimler
- Centre of Advanced Technologies, Faculty of Science, University of Hradec Kralove, Rokitanskeho 62, 50003 Hradec Kralove, Czech Republic
| | - Ruchi Sharma
- School of Bioengineering & Food Technology, Shoolini University of Biotechnology and Management Sciences, Solan 173229, India
| | - Shahida Anusha Siddiqui
- Campus Straubing for Biotechnology and Sustainability, Technical University of Munich, Essigberg 3, 94315 Straubing, Germany.
| | - Marian Valko
- Faculty of Chemical and Food Technology, Slovak University of Technology, 81237, Bratislava, Slovakia
| | - Eugenie Nepovimova
- Department of Chemistry, Faculty of Science, University of Hradec Kralove, 50005, Hradec Kralove, Czech Republic
| | - Daljeet Singh Dhanjal
- School of Bioengineering and Biosciences, Lovely Professional University, Phagwara, Punjab 144411, India
| | - Reena Singh
- School of Bioengineering and Biosciences, Lovely Professional University, Phagwara, Punjab 144411, India
| | - Vijay Kumar
- Central Ayurveda Research Institute, Jhansi 284003, Uttar Pradesh, India
| | | | - Narinder Verma
- School of Management and Liberal Arts, Shoolini University of Biotechnology and Management Sciences, Solan 173229, India
| | - Talwinder Kaur
- Department of Microbiology, DAV University, Sarmastpur, Jalandhar, Punjab, 144001, India
| | - Sivakumar Manickam
- Petroleum and Chemical Engineering, Faculty of Engineering, Universiti Teknologi Brunei, Bandar Seri Begawan BE1410, Brunei
| | - Suliman Y Alomar
- Zoology Department, College of Science, King Saud University, Riyadh 11451, Saudi Arabia
| | - Kamil Kuča
- Department of Chemistry, Faculty of Science, University of Hradec Kralove, 50005, Hradec Kralove, Czech Republic; Andalusian Research Institute in Data Science and Computational Intelligence (DaSCI), University of Granada, 18071 Granada, Spain; Biomedical Research Center, University Hospital Hradec Kralove, 50005 Hradec Kralove, Czech Republic.
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Arnhold J, Malle E. Halogenation Activity of Mammalian Heme Peroxidases. Antioxidants (Basel) 2022; 11:antiox11050890. [PMID: 35624754 PMCID: PMC9138014 DOI: 10.3390/antiox11050890] [Citation(s) in RCA: 15] [Impact Index Per Article: 7.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/12/2022] [Revised: 04/27/2022] [Accepted: 04/28/2022] [Indexed: 12/10/2022] Open
Abstract
Mammalian heme peroxidases are fascinating due to their unique peculiarity of oxidizing (pseudo)halides under physiologically relevant conditions. These proteins are able either to incorporate oxidized halides into substrates adjacent to the active site or to generate different oxidized (pseudo)halogenated species, which can take part in multiple (pseudo)halogenation and oxidation reactions with cell and tissue constituents. The present article reviews basic biochemical and redox mechanisms of (pseudo)halogenation activity as well as the physiological role of heme peroxidases. Thyroid peroxidase and peroxidasin are key enzymes for thyroid hormone synthesis and the formation of functional cross-links in collagen IV during basement membrane formation. Special attention is directed to the properties, enzymatic mechanisms, and resulting (pseudo)halogenated products of the immunologically relevant proteins such as myeloperoxidase, eosinophil peroxidase, and lactoperoxidase. The potential role of the (pseudo)halogenated products (hypochlorous acid, hypobromous acid, hypothiocyanite, and cyanate) of these three heme peroxidases is further discussed.
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Affiliation(s)
- Jürgen Arnhold
- Medical Faculty, Institute of Medical Physics and Biophysics, Leipzig University, 04107 Leipzig, Germany
- Correspondence: (J.A.); or (E.M.)
| | - Ernst Malle
- Gottfried Schatz Research Center, Division of Molecular Biology and Biochemistry, Medical University of Graz, 8010 Graz, Austria
- Correspondence: (J.A.); or (E.M.)
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Current Opinion on the Therapeutic Capacity of Taurine-Containing Halogen Derivatives in Infectious and Inflammatory Diseases. ADVANCES IN EXPERIMENTAL MEDICINE AND BIOLOGY 2022; 1370:83-98. [DOI: 10.1007/978-3-030-93337-1_8] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 10/16/2022]
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Taurine and N-Bromotaurine in Topical Treatment of Psoriasis. ADVANCES IN EXPERIMENTAL MEDICINE AND BIOLOGY 2022; 1370:99-111. [DOI: 10.1007/978-3-030-93337-1_9] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/19/2022]
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Benny J, Saito T, Moe MM, Liu J. Singlet O 2 Reactions with Radical Cations of 8-Bromoguanine and 8-Bromoguanosine: Guided-Ion Beam Mass Spectrometric Measurements and Theoretical Treatments. J Phys Chem A 2021; 126:68-79. [PMID: 34941276 DOI: 10.1021/acs.jpca.1c09552] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Abstract
8-Bromoguanosine is generated in vivo as a biomarker for early inflammation. Its formation and secondary reactions lead to a variety of biological sequelae at inflammation sites, most of which are mutagenic and linked to cancer. Herein, we report the formation of radical cations of 8-bromoguanine (8BrG•+) and 8-bromoguanosine (8BrGuo•+) and their reactions toward the lowest excited singlet molecular oxygen (1O2)─a common reactive oxygen species generated in biological systems. This work aims to investigate synergistic, oxidatively generated damage of 8-brominated guanine and guanosine that may occur upon ionizing radiation, one-electron oxidation, and 1O2 oxidation. Capitalizing on measurements of reaction product ions and cross sections of 8BrG•+ and 8BrGuo•+ with 1O2 using guided-ion beam tandem mass spectrometry and augmented by computational modeling of the prototype reaction system, 8BrG•+ + 1O2, using the approximately spin-projected ωB97XD/6-31+G(d,p) density functional theory, the coupled cluster DLPNO-CCSD(T)/aug-cc-pVTZ and the multireference CASPT2(21,15)/6-31G**, probable reaction products, and potential energy surfaces (PESs) were mapped out. 8BrG•+ and 8BrGuo•+ present similar exothermic oxidation products, and their reaction efficiencies with 1O2 increase with decreasing collision energy. Both single- and multireference theories predicted that the two most energetically favorable reaction pathways correspond to 1O2-addition to the C8 and C5-positions of 8BrG•+, respectively. The CASPT2-calculated PES represents the best quantitative agreement with the experimental benchmark, in that the oxidation exothermicity is close to the water hydration energy of product ions and, thus, is able to eliminate a water ligand in the product ions.
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Affiliation(s)
- Jonathan Benny
- Department of Chemistry and Biochemistry, Queens College of the City University of New York, 65-30 Kissena Blvd., Queens, New York 11367, United States.,Ph.D. Program in Chemistry, The Graduate Center of the City University of New York, 365 5th Avenue, New York, New York 10016, United States
| | - Toru Saito
- Department of Biomedical Information Science, Graduate School of Information Science, Hiroshima City University, 3-4-1 Ozuka-Higashi, Asa-Minami-Ku, 731-3194 Hiroshima, Japan
| | - May Myat Moe
- Department of Chemistry and Biochemistry, Queens College of the City University of New York, 65-30 Kissena Blvd., Queens, New York 11367, United States.,Ph.D. Program in Chemistry, The Graduate Center of the City University of New York, 365 5th Avenue, New York, New York 10016, United States
| | - Jianbo Liu
- Department of Chemistry and Biochemistry, Queens College of the City University of New York, 65-30 Kissena Blvd., Queens, New York 11367, United States.,Ph.D. Program in Chemistry, The Graduate Center of the City University of New York, 365 5th Avenue, New York, New York 10016, United States
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7
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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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Sacre L, Pontarelli A, Bahsoun Y, Wilds CJ. Influence of C5‐Substituents on Repair of
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‐Methyl Adducts of Pyrimidines by
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‐Alkylguanine DNA Alkyltransferases. ChemistrySelect 2020. [DOI: 10.1002/slct.202003893] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
Affiliation(s)
- Lauralicia Sacre
- Department of Chemistry and Biochemistry Concordia University 7141 Sherbrooke Street West Montréal Québec H4B 1R6 Canada
| | - Alexander Pontarelli
- Department of Chemistry and Biochemistry Concordia University 7141 Sherbrooke Street West Montréal Québec H4B 1R6 Canada
| | - Yehya Bahsoun
- Department of Chemistry and Biochemistry Concordia University 7141 Sherbrooke Street West Montréal Québec H4B 1R6 Canada
| | - Christopher J. Wilds
- Department of Chemistry and Biochemistry Concordia University 7141 Sherbrooke Street West Montréal Québec H4B 1R6 Canada
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Suzuki T, Morishita H, Fukuhara K. Reactions of kynurenic acid with hypobromous acid and hypochlorous acid. J Clin Biochem Nutr 2020; 68:215-220. [PMID: 34025023 PMCID: PMC8129975 DOI: 10.3164/jcbn.20-62] [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: 04/14/2020] [Accepted: 08/31/2020] [Indexed: 11/22/2022] Open
Abstract
Kynurenic acid, a tryptophan metabolite, acts as antagonist or agonist of several receptors. Hypobromous acid (HOBr) and hypochlorous acid (HOCl) are generated by eosinophils and neutrophils. At inflammation sites, kynurenic acid may encounter HOBr and HOCl to generate products. When kynurenic acid was incubated with HOBr under neutral conditions, kynurenic acid generated a single product almost exclusively. This was identified as 3-bromokynurenic acid. Kynurenic acid reacted with HOCl, generating two products. The major product was identified as 3-chlorokynurenic acid with its oxidative decarboxylation product, 3-chloro-4-hydroxy-2(1H)-quinolinone as a by-product. Free amino acids suppressed the reactions of kynurenic acid with HOBr and HOCl. Taurine suppressed the HOCl reaction but not the HOBr reaction. An eosinophil peroxidase system containing H2O2, NaCl, and NaBr reacted with kynurenic acid, generating 3-bromokynurenic acid under mildly acidic conditions. Although a myeloperoxidase system containing H2O2 and NaCl reacted with kynurenic acid to generate 3-chlorokynurenic acid under mildly acidic conditions, the product was altered to 3-bromokynurenic acid by addition of NaBr to the system. These results suggest that 3-bromokynurenic acid and 3-chlorokynurenic acid may be generated from kynurenic acid at inflammation sites in humans, although their formation will be suppressed by coexistent amino acids.
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Affiliation(s)
- Toshinori Suzuki
- School of Pharmacy, Shujitsu University, 1-6-1 Nishigawara, Okayama 703-8516, Japan
| | - Hiroyuki Morishita
- School of Pharmacy, Shujitsu University, 1-6-1 Nishigawara, Okayama 703-8516, Japan
| | - Kosumo Fukuhara
- School of Pharmacy, Shujitsu University, 1-6-1 Nishigawara, Okayama 703-8516, Japan
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Tonoyan L, Montagner D, Friel R, O'Flaherty V. Antimicrobials offered from nature: Peroxidase-catalyzed systems and their mimics. Biochem Pharmacol 2020; 182:114281. [PMID: 33075313 DOI: 10.1016/j.bcp.2020.114281] [Citation(s) in RCA: 12] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/10/2020] [Revised: 10/07/2020] [Accepted: 10/08/2020] [Indexed: 10/23/2022]
Abstract
The control of antimicrobial resistance requires the development of novel antimicrobial alternatives and naturally occurring peroxidase-catalyzed systems may be of great value in this era of emerging antimicrobial resistance. In the peroxidase system, a peroxidase enzyme catalyzes the oxidation of a halide/pseudohalide, at the expense of hydrogen peroxide, to generate reactive products with broad antimicrobial properties. The appropriate use of peroxidase systems needs a better understanding of the identities and properties of the generated antimicrobial oxidants, specific targets in bacterial cells, their mode of action and the factors favoring or limiting their activity. Here, the ABCs (antibacterial activity, bacterial "backtalk" and cytotoxicity) of these systems and their mimics are discussed. Particular attention is paid to the concomitant use of thiocyanate and iodide dual substrates in peroxidase/peroxidase-free systems with implications on their antimicrobial activity. This review also provides a summary of actual applications of peroxidase systems as bio-preservatives in oral healthcare, milk industry, food/feed specialties and related products, mastitis and wound treatment; lastly, this review points to opportunities for further research and potential applications.
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Affiliation(s)
- Lilit Tonoyan
- Department of Microbiology, School of Natural Sciences and Ryan Institute, National University of Ireland Galway, Galway, Ireland.
| | - Diego Montagner
- Department of Chemistry, Maynooth University, Maynooth, Ireland; Kathleen Lonsdale Institute for Human Health Research, Maynooth University, Maynooth, Ireland
| | - Ruairi Friel
- Westway Health, Unit 120, Business Innovation Centre, National University of Ireland Galway, Galway, Ireland
| | - Vincent O'Flaherty
- Department of Microbiology, School of Natural Sciences and Ryan Institute, National University of Ireland Galway, Galway, Ireland.
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Qaradakhi T, Gadanec LK, McSweeney KR, Abraham JR, Apostolopoulos V, Zulli A. The Anti-Inflammatory Effect of Taurine on Cardiovascular Disease. Nutrients 2020; 12:E2847. [PMID: 32957558 PMCID: PMC7551180 DOI: 10.3390/nu12092847] [Citation(s) in RCA: 64] [Impact Index Per Article: 16.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/07/2020] [Revised: 09/02/2020] [Accepted: 09/12/2020] [Indexed: 12/12/2022] Open
Abstract
Taurine is a non-protein amino acid that is expressed in the majority of animal tissues. With its unique sulfonic acid makeup, taurine influences cellular functions, including osmoregulation, antioxidation, ion movement modulation, and conjugation of bile acids. Taurine exerts anti-inflammatory effects that improve diabetes and has shown benefits to the cardiovascular system, possibly by inhibition of the renin angiotensin system. The beneficial effects of taurine are reviewed.
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Affiliation(s)
- Tawar Qaradakhi
- Institute for Health and Sport, Victoria University, Melbourne, VIC 8001, Australia; (L.K.G.); (K.R.M.); (J.R.A.); (V.A.); (A.Z.)
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Thivya P, Ramya R, Wilson J. Poly(3,4-ethylenedioxythiophene)/taurine biocomposite on screen printed electrode: Non-enzymatic cholesterol biosensor. Microchem J 2020. [DOI: 10.1016/j.microc.2020.105037] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/08/2023]
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Baliou S, Kyriakopoulos AM, Spandidos DA, Zoumpourlis V. Role of taurine, its haloamines and its lncRNA TUG1 in both inflammation and cancer progression. On the road to therapeutics? (Review). Int J Oncol 2020; 57:631-664. [PMID: 32705269 PMCID: PMC7384849 DOI: 10.3892/ijo.2020.5100] [Citation(s) in RCA: 23] [Impact Index Per Article: 5.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/12/2020] [Accepted: 07/14/2020] [Indexed: 12/11/2022] Open
Abstract
For one century, taurine is considered as an end product of sulfur metabolism. In this review, we discuss the beneficial effect of taurine, its haloamines and taurine upregulated gene 1 (TUG1) long non‑coding RNA (lncRNA) in both cancer and inflammation. We outline how taurine or its haloamines (N‑Bromotaurine or N‑Chlorotaurine) can induce robust and efficient responses against inflammatory diseases, providing insight into their molecular mechanisms. We also provide information about the use of taurine as a therapeutic approach to cancer. Taurine can be combined with other chemotherapeutic drugs, not only mediating durable responses in various malignancies, but also circumventing the limitations met from chemotherapeutic drugs, thus improving the therapeutic outcome. Interestingly, the lncRNA TUG1 is regarded as a promising therapeutic approach, which can overcome acquired resistance of cancer cells to selected strategies. In this regard, we can translate basic knowledge about taurine and its TUG1 lncRNA into potential therapeutic options directed against specific oncogenic signaling targets, thereby bridging the gap between bench and bedside.
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Affiliation(s)
| | | | - Demetrios A. Spandidos
- Laboratory of Clinical Virology, Medical School, University of Crete, Heraklion 71003, Greece
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Scott M, De Sario A. DNA methylation changes in cystic fibrosis: Cause or consequence? Clin Genet 2020; 98:3-9. [PMID: 32112395 DOI: 10.1111/cge.13731] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/08/2020] [Revised: 02/17/2020] [Accepted: 02/25/2020] [Indexed: 12/18/2022]
Abstract
Twin and sibling studies have shown that lung disease severity is variable among cystic fibrosis (CF) patients and affected to the same extent by genetic and nonheritable factors. Genetic factors have been thoroughly assessed, whereas the molecular mechanisms whereby nonheritable factors contribute to the phenotypic variability of CF patients are still unknown. Epigenetic modifications may represent the missing link between nonheritable factors and phenotypic variation in CF. Herein, we review recent studies showing that DNA methylation is altered in CF and we address three possible factors responsible for these variations: (i) overproduction of reactive oxygen species, (ii) depletion of DNA methylation cofactors and (iii) susceptibility to acute and chronic bacterial infections. Also, we hypothesize that the unique DNA methylation profile of each patient can modulate the phenotype and discuss the interest of implementing integrated genomic, epigenomic and transcriptomic studies to further understand the clinical diversity of CF patients (Graphical Abstract).
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Affiliation(s)
- Madeleine Scott
- LGMR - EA7402, University of Montpellier, Montpellier, France
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Xu R, Hu Z, Wang X, Liu Y, Zhou Z, Xu J, Sun Z, Sun H, Chen J. Intramolecular Charge Transfer in 5-Halogen Cytidines Revealed by Femtosecond Time-Resolved Spectroscopy. J Phys Chem B 2020; 124:2560-2567. [DOI: 10.1021/acs.jpcb.0c00455] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/24/2022]
Affiliation(s)
- Rui Xu
- State Key Laboratory of Precision Spectroscopy, East China Normal University, Shanghai 200062, China
| | - Zhubin Hu
- State Key Laboratory of Precision Spectroscopy, East China Normal University, Shanghai 200062, China
| | - Xueli Wang
- State Key Laboratory of Precision Spectroscopy, East China Normal University, Shanghai 200062, China
| | - Yufeng Liu
- State Key Laboratory of Precision Spectroscopy, East China Normal University, Shanghai 200062, China
| | - Zhongneng Zhou
- State Key Laboratory of Precision Spectroscopy, East China Normal University, Shanghai 200062, China
| | - Jianhua Xu
- State Key Laboratory of Precision Spectroscopy, East China Normal University, Shanghai 200062, China
- Collaborative Innovation Center of Extreme Optics, Shanxi University, Taiyuan, Shanxi 030006, China
| | - Zhenrong Sun
- State Key Laboratory of Precision Spectroscopy, East China Normal University, Shanghai 200062, China
| | - Haitao Sun
- State Key Laboratory of Precision Spectroscopy, East China Normal University, Shanghai 200062, China
- NYU-ECNU Center for Computational Chemistry at NYU Shanghai, Shanghai 200062, China
| | - Jinquan Chen
- State Key Laboratory of Precision Spectroscopy, East China Normal University, Shanghai 200062, China
- Collaborative Innovation Center of Extreme Optics, Shanxi University, Taiyuan, Shanxi 030006, China
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Suzuki T, Takeuchi R. Reactions of Methotrexate with Hypobromous Acid and Hypochlorous Acid. Chem Pharm Bull (Tokyo) 2020; 67:1250-1254. [PMID: 31685753 DOI: 10.1248/cpb.c19-00602] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
Abstract
Methotrexate is a folate antagonist cytotoxic drug employed in the therapy of cancers and rheumatoid arthritis. Hypobromous acid (HOBr) and hypochlorous acid (HOCl) are generated by eosinophils and neutrophils at inflammation sites. The administered methotrexate may encounter HOBr and HOCl, and react with them to generate products. When methotrexate was incubated with HOBr or HOCl at pH 7.4 and 37°C for 30 min, a single product was generated almost exclusively in each case, identified as 3'-bromomethotrexate for HOBr and 3'-chloromethotrexate for HOCl. When methotrexate was incubated with HOCl in the presence of NaBr, the concentration of 3'-bromomethotrexate increased with decreasing concentration of 3'-chloromethotrexate in a dose-dependent manner with NaBr, probably due to the formation of HOBr. Free amino acids suppressed the reactions of methotrexate with HOBr and HOCl. Taurine suppressed the HOCl reaction but not the HOBr reaction. These results suggest that 3'-bromomethotrexate and 3'-chloromethotrexate may be generated from methotrexate at inflammation sites in humans, although their formation will be suppressed by coexistent amino acids.
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Abstract
Rebamipide is a therapeutic agent for gastric ulcers and chronic gastritis. Hypobromous acid (HOBr) is generated not only by eosinophils but also by neutrophils in the presence of bromide ions in the plasma. At inflammation sites, rebamipide may encounter and react with HOBr to generated various products. When rebamipide was incubated with reagent HOBr in potassium phosphate buffer at pH 4.7 and 37°C for 4 h, several products were generated. A major product was identified as 3-bromorebamipide, a novel compound. Rebamipide does not react with hypochlorous acid (HOCl). However, when rebamipide was incubated with HOCl in the presence of NaBr, 3-bromorebamipide was generated in a dose-dependent manner, probably because of formation of HOBr. These results suggest that 3-bromorebamipide may generate from rebamipide at inflammation sites in humans.
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Kou Y, Koag MC, Lee S. Promutagenicity of 8-Chloroguanine, A Major Inflammation-Induced Halogenated DNA Lesion. Molecules 2019; 24:molecules24193507. [PMID: 31569643 PMCID: PMC6804246 DOI: 10.3390/molecules24193507] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/11/2019] [Revised: 09/26/2019] [Accepted: 09/26/2019] [Indexed: 12/18/2022] Open
Abstract
Chronic inflammation is closely associated with cancer development. One possible mechanism for inflammation-induced carcinogenesis is DNA damage caused by reactive halogen species, such as hypochlorous acid, which is released by myeloperoxidase to kill pathogens. Hypochlorous acid can attack genomic DNA to produce 8-chloro-2′-deoxyguanosine (ClG) as a major lesion. It has been postulated that ClG promotes mutagenic replication using its syn conformer; yet, the structural basis for ClG-induced mutagenesis is unknown. We obtained crystal structures and kinetics data for nucleotide incorporation past a templating ClG using human DNA polymerase β (polβ) as a model enzyme for high-fidelity DNA polymerases. The structures showed that ClG formed base pairs with incoming dCTP and dGTP using its anti and syn conformers, respectively. Kinetic studies showed that polβ incorporated dGTP only 15-fold less efficiently than dCTP, suggesting that replication across ClG is promutagenic. Two hydrogen bonds between syn-ClG and anti-dGTP and a water-mediated hydrogen bond appeared to facilitate mutagenic replication opposite the major halogenated guanine lesion. These results suggest that ClG in DNA promotes G to C transversion mutations by forming Hoogsteen base pairing between syn-ClG and anti-G during DNA synthesis.
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Affiliation(s)
- Yi Kou
- The Division of Chemical Biology and Medicinal Chemistry, College of Pharmacy, The University of Texas at Austin, 2409 University Avenue, Austin, TX 78712, USA.
| | - Myong-Chul Koag
- The Division of Chemical Biology and Medicinal Chemistry, College of Pharmacy, The University of Texas at Austin, 2409 University Avenue, Austin, TX 78712, USA.
| | - Seongmin Lee
- The Division of Chemical Biology and Medicinal Chemistry, College of Pharmacy, The University of Texas at Austin, 2409 University Avenue, Austin, TX 78712, USA.
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19
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Sabir M, Tan YY, Aris A, Mani AR. The role of endogenous bromotyrosine in health and disease. Free Radic Res 2019; 53:1019-1034. [PMID: 31530194 DOI: 10.1080/10715762.2019.1668560] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022]
Abstract
Bromotyrosine is a stable by-product of eosinophil peroxidase activity, a result of eosinophil activation during an inflammatory immune response. The elevated presence of bromotyrosine in tissue, blood, and urine in medical conditions involving eosinophil activation has highlighted the potential role of bromotyrosine as a medical biomarker. This is highly beneficial in a paediatric setting as a urinary noninvasive biomarker. However, bromotyrosine and its derivatives may exert biological effects, such as protective effects in the brain and pathogenic effects in the thyroid. Understanding these pathways may yield therapeutic advancements in medicine. In this review, we summarize the existing evidence present in literature relating to bromotyrosine formation and metabolism, identify the biological actions of bromotyrosine and evaluate the feasibility of bromotyrosine as a medical biomarker.
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Affiliation(s)
- Mariam Sabir
- UCL Division of Medicine, Royal Free Campus, University College London , London , UK
| | - Yen Yi Tan
- UCL Division of Medicine, Royal Free Campus, University College London , London , UK
| | - Aleena Aris
- UCL Division of Medicine, Royal Free Campus, University College London , London , UK
| | - Ali R Mani
- UCL Division of Medicine, Royal Free Campus, University College London , London , UK
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20
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Suzuki T, Kumagai M, Furusawa M. Effects of Urea on the Reactions of Nucleosides with Hypobromous Acid. Chem Pharm Bull (Tokyo) 2019; 67:707-712. [DOI: 10.1248/cpb.c18-01009] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
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21
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Suzuki T, Ogishi A, Shinohara T, Suito S. Formation of 8-S-L-Cysteinyladenosine from 8-Bromoadenosine and Cysteine. Chem Pharm Bull (Tokyo) 2018; 66:184-187. [PMID: 29386470 DOI: 10.1248/cpb.c17-00731] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
Abstract
When 8-bromoadenosine was incubated with cysteine at pH 7.2 and 37°C, an exclusive product was generated. This product was identified as a cysteine substitution derivative of adenosine at the 8 position, 8-S-L-cysteinyladenosine. The reaction accelerated as pH increased from mildly acidic to basic conditions. The isolated cysteine adduct of adenosine decreased with a half-life of 15 h at pH 7.2 and 37°C. Similar results were obtained for the incubation of 8-bromo-2'-deoxyadenosine and 8-bromoadenosine 3',5'-cyclic monophosphate with cysteine. These results suggest that 8-bromoadenine in nucleotides, RNA, and DNA can react with thiols, resulting in adducts under physiological conditions.
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22
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Magalhães M, Tost J, Pineau F, Rivals I, Busato F, Alary N, Mely L, Leroy S, Murris M, Caimmi D, Claustres M, Chiron R, De Sario A. Dynamic changes of DNA methylation and lung disease in cystic fibrosis: lessons from a monogenic disease. Epigenomics 2018; 10:1131-1145. [PMID: 30052057 DOI: 10.2217/epi-2018-0005] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/03/2023] Open
Abstract
AIM To assess whether DNA methylation levels account for the noninherited phenotypic variations observed among cystic fibrosis (CF) patients. PATIENTS & METHODS Using the 450 K BeadChip, we profiled DNA methylation in nasal epithelial cells collected from 32 CF patients and 16 controls. RESULTS We detected substantial DNA methylation differences up to 55% (median β change 0.13; IQR: 0.15-0.11) between CF patients and controls. DNA methylation levels differed between mild and severe CF patients and correlated with lung function at 50 CpG sites. CONCLUSION In CF samples, dynamic changes of DNA methylation occurred in genes responsible for the integrity of the epithelium and the inflammatory and immune responses, were prominent in transcriptionally active genomic regions and were over-represented in enhancers active in lung tissues. ( Clinicaltrials.gov NCT02884622).
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Affiliation(s)
- Milena Magalhães
- Laboratoire de Génétique de Maladies Rares - EA7402 Montpellier University - Montpellier - France.,Laboratory of Biological System Modeling - INCT/IDN, CDTS - Rio de Janeiro - Brazil
| | - Jörg Tost
- Laboratory for Epigenetics & Environment - Centre National de Recherche en Génomique Humaine - CEA - Institut de Biologie François Jacob - Evry - France
| | - Fanny Pineau
- Laboratoire de Génétique de Maladies Rares - EA7402 Montpellier University - Montpellier - France
| | - Isabelle Rivals
- Equipe de Statistique Appliquée - ESPCI Paris - PSL Research University - UMRS1158 - Paris - France
| | - Florence Busato
- Laboratory for Epigenetics & Environment - Centre National de Recherche en Génomique Humaine - CEA - Institut de Biologie François Jacob - Evry - France
| | - Nathan Alary
- Laboratoire de Génétique de Maladies Rares - EA7402 Montpellier University - Montpellier - France
| | - Laurent Mely
- CRCM, Renée Sabran Hospital - CHU Lyon - Hyères - France
| | - Sylvie Leroy
- CRCM, Pasteur Hospital - CHU Nice - Nice - France
| | - Marlène Murris
- CRCM, Larrey Hospital - CHU Toulouse - Toulouse - France
| | - Davide Caimmi
- CRCM, Arnaud de Villeneuve Hospital - CHU Montpellier - Montpellier - France
| | - Mireille Claustres
- Laboratoire de Génétique de Maladies Rares - EA7402 Montpellier University - Montpellier - France.,Laboratoire de Génétique Moléculaire - CHU Montpellier - Montpellier - France
| | - Raphaël Chiron
- CRCM, Arnaud de Villeneuve Hospital - CHU Montpellier - Montpellier - France
| | - Albertina De Sario
- Laboratoire de Génétique de Maladies Rares - EA7402 Montpellier University - Montpellier - France
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23
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Bauer M. Cell-type-specific disturbance of DNA methylation pattern: a chance to get more benefit from and to minimize cohorts for epigenome-wide association studies. Int J Epidemiol 2018; 47:917-927. [DOI: 10.1093/ije/dyy029] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 09/02/2023] Open
Affiliation(s)
- Mario Bauer
- Department of Environmental Immunology, Helmholtz Centre for Environmental Research, UFZ, Permoserst, 15, 04318 Leipzig, Germany
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24
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Duerr MA, Palladino END, Hartman CL, Lambert JA, Franke JD, Albert CJ, Matalon S, Patel RP, Slungaard A, Ford DA. Bromofatty aldehyde derived from bromine exposure and myeloperoxidase and eosinophil peroxidase modify GSH and protein. J Lipid Res 2018; 59:696-705. [PMID: 29444934 PMCID: PMC5880502 DOI: 10.1194/jlr.m083279] [Citation(s) in RCA: 23] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/04/2018] [Revised: 02/09/2018] [Indexed: 02/01/2023] Open
Abstract
α-Chlorofatty aldehydes (α-ClFALDs) and α-bromofatty aldehydes (α-BrFALDs) are produced in activated neutrophils and eosinophils. This study investigated the ability of α-BrFALD and α-ClFALD to react with the thiols of GSH and protein cysteinyl residues. Initial studies showed that 2-bromohexadecanal (2-BrHDA) and 2-chlorohexadecanal (2-ClHDA) react with GSH producing the same fatty aldehyde-GSH adduct (FALD-GSH). In both synthetic and cellular reactions, FALD-GSH production was more robust with 2-BrHDA compared with 2-ClHDA as precursor. NaBr-supplemented phorbol myristate acetate (PMA)-activated neutrophils formed more α-BrFALD and FALD-GSH compared with non-NaBr-supplemented neutrophils. Primary human eosinophils, which preferentially produce hypobromous acid and α-BrFALD, accumulated FALD-GSH following PMA stimulation. Mice exposed to Br2 gas had increased levels of both α-BrFALD and FALD-GSH in the lungs, as well as elevated systemic plasma levels of FALD-GSH in comparison to mice exposed to air. Similar relative reactivity of α-ClFALD and α-BrFALD with protein thiols was shown using click analogs of these aldehydes. Collectively, these data demonstrate that GSH and protein adduct formation are much greater as a result of nucleophilic attack of cysteinyl residues on α-BrFALD compared with α-ClFALD, which was observed in both primary leukocytes and in mice exposed to bromine gas.
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Affiliation(s)
- Mark A Duerr
- Edward A. Doisy Department of Biochemistry and Molecular Biology and Center for Cardiovascular Research, Saint Louis University School of Medicine, St. Louis, MO 63104
| | - Elisa N D Palladino
- Edward A. Doisy Department of Biochemistry and Molecular Biology and Center for Cardiovascular Research, Saint Louis University School of Medicine, St. Louis, MO 63104
| | - Celine L Hartman
- Edward A. Doisy Department of Biochemistry and Molecular Biology and Center for Cardiovascular Research, Saint Louis University School of Medicine, St. Louis, MO 63104
| | - James A Lambert
- Departments of Anesthesiology University of Alabama at Birmingham, Birmingham, AL 35294; Centers for Free Radical Biology University of Alabama at Birmingham, Birmingham, AL 35294; Lung Injury and Repair, University of Alabama at Birmingham, Birmingham, AL 35294
| | - Jacob D Franke
- Edward A. Doisy Department of Biochemistry and Molecular Biology and Center for Cardiovascular Research, Saint Louis University School of Medicine, St. Louis, MO 63104
| | - Carolyn J Albert
- Edward A. Doisy Department of Biochemistry and Molecular Biology and Center for Cardiovascular Research, Saint Louis University School of Medicine, St. Louis, MO 63104
| | - Sadis Matalon
- Departments of Anesthesiology University of Alabama at Birmingham, Birmingham, AL 35294; Centers for Free Radical Biology University of Alabama at Birmingham, Birmingham, AL 35294; Lung Injury and Repair, University of Alabama at Birmingham, Birmingham, AL 35294
| | - Rakesh P Patel
- Centers for Free Radical Biology University of Alabama at Birmingham, Birmingham, AL 35294; Lung Injury and Repair, University of Alabama at Birmingham, Birmingham, AL 35294; Pathology, University of Alabama at Birmingham, Birmingham, AL 35294
| | - Arne Slungaard
- Department of Medicine, Section of Hematology, Oncology, and Transplantation, University of Minnesota, Minneapolis, MN 55455
| | - David A Ford
- Edward A. Doisy Department of Biochemistry and Molecular Biology and Center for Cardiovascular Research, Saint Louis University School of Medicine, St. Louis, MO 63104.
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25
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Magalhães M, Rivals I, Claustres M, Varilh J, Thomasset M, Bergougnoux A, Mely L, Leroy S, Corvol H, Guillot L, Murris M, Beyne E, Caimmi D, Vachier I, Chiron R, De Sario A. DNA methylation at modifier genes of lung disease severity is altered in cystic fibrosis. Clin Epigenetics 2017; 9:19. [PMID: 28289476 PMCID: PMC5310067 DOI: 10.1186/s13148-016-0300-8] [Citation(s) in RCA: 26] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/13/2016] [Accepted: 12/08/2016] [Indexed: 12/11/2022] Open
Abstract
Background Lung disease progression is variable among cystic fibrosis (CF) patients and depends on DNA mutations in the CFTR gene, polymorphic variations in disease modifier genes, and environmental exposure. The contribution of genetic factors has been extensively investigated, whereas the mechanism whereby environmental factors modulate the lung disease is unknown. In this project, we hypothesized that (i) reiterative stress alters the epigenome in CF-affected tissues and (ii) DNA methylation variations at disease modifier genes modulate the lung function in CF patients. Results We profiled DNA methylation at CFTR, the disease-causing gene, and at 13 lung modifier genes in nasal epithelial cells and whole blood samples from 48 CF patients and 24 healthy controls. CF patients homozygous for the p.Phe508del mutation and ≥18-year-old were stratified according to the lung disease severity. DNA methylation was measured by bisulfite and next-generation sequencing. The DNA methylation profile allowed us to correctly classify 75% of the subjects, thus providing a CF-specific molecular signature. Moreover, in CF patients, DNA methylation at specific genes was highly correlated in the same tissue sample. We suggest that gene methylation in CF cells may be co-regulated by disease-specific trans-factors. Three genes were differentially methylated in CF patients compared with controls and/or in groups of pulmonary severity: HMOX1 and GSTM3 in nasal epithelial samples; HMOX1 and EDNRA in blood samples. The association between pulmonary severity and DNA methylation at EDNRA was confirmed in blood samples from an independent set of CF patients. Also, lower DNA methylation levels at GSTM3 were associated with the GSTM3*B allele, a polymorphic 3-bp deletion that has a protective effect in cystic fibrosis. Conclusions DNA methylation levels are altered in nasal epithelial and blood cell samples from CF patients. Analysis of CFTR and 13 lung disease modifier genes shows DNA methylation changes of small magnitude: some of them are a consequence of the disease; other changes may result in small expression variations that collectively modulate the lung disease severity. Electronic supplementary material The online version of this article (doi:10.1186/s13148-016-0300-8) contains supplementary material, which is available to authorized users.
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Affiliation(s)
- Milena Magalhães
- Laboratoire de Génétique de Maladies Rares, EA7402 Montpellier University, Montpellier, France
| | - Isabelle Rivals
- Equipe de Statistique Appliquée-ESPCI ParisTech, PSL Research University-UMRS1158, Paris, France
| | - Mireille Claustres
- Laboratoire de Génétique de Maladies Rares, EA7402 Montpellier University, Montpellier, France.,Laboratoire de Génétique Moléculaire-CHU Montpellier, Montpellier, France
| | - Jessica Varilh
- Laboratoire de Génétique de Maladies Rares, EA7402 Montpellier University, Montpellier, France.,Laboratoire de Génétique Moléculaire-CHU Montpellier, Montpellier, France
| | - Mélodie Thomasset
- Laboratoire de Génétique de Maladies Rares, EA7402 Montpellier University, Montpellier, France
| | - Anne Bergougnoux
- Laboratoire de Génétique de Maladies Rares, EA7402 Montpellier University, Montpellier, France.,Laboratoire de Génétique Moléculaire-CHU Montpellier, Montpellier, France
| | - Laurent Mely
- CRCM, Renée Sabran Hospital-CHU Lyon, Hyères, France
| | | | - Harriet Corvol
- Sorbonne Universités, UPMC Univ Paris 06, Paris, France.,INSERM U938-CRSA, Paris, France.,APHP, Trousseau Hospital, Paris, France
| | - Loïc Guillot
- Sorbonne Universités, UPMC Univ Paris 06, Paris, France.,INSERM U938-CRSA, Paris, France
| | | | - Emmanuelle Beyne
- Laboratoire de Génétique de Maladies Rares, EA7402 Montpellier University, Montpellier, France.,Laboratoire de Génétique Moléculaire-CHU Montpellier, Montpellier, France
| | - Davide Caimmi
- CRCM, Arnaud de Villeneuve Hospital-CHU Montpellier, Montpellier, France
| | - Isabelle Vachier
- CRCM, Arnaud de Villeneuve Hospital-CHU Montpellier, Montpellier, France
| | - Raphaël Chiron
- CRCM, Arnaud de Villeneuve Hospital-CHU Montpellier, Montpellier, France
| | - Albertina De Sario
- Laboratoire de Génétique de Maladies Rares, EA7402 Montpellier University, Montpellier, France
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26
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Suzuki T, Kitabatake A, Koide Y. Reaction of Thymidine with Hypobromous Acid in Phosphate Buffer. Chem Pharm Bull (Tokyo) 2017; 64:1235-8. [PMID: 27477666 DOI: 10.1248/cpb.c16-00138] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
Abstract
When thymidine was treated with hypobromous acid (HOBr) in 100 mM phosphate buffer at pH 7.2, two major product peaks appeared in the HPLC chromatogram. The products in each peak were identified by NMR and MS as two isomers of 5-hydroxy-5,6-dihydrothymidine-6-phosphate (a novel compound) and two isomers of 5,6-dihydroxy-5,6-dihydrothymidine (thymidine glycol) with comparable yields. 5-Hydroxy-5,6-dihydrothymidine-6-phosphate was relatively stable, and decomposed with a half-life of 32 h at pH 7.2 and 37°C generating thymidine glycol. The results suggest that 5-hydroxy-5,6-dihydrothymidine-6-phosphate in addition to thymidine glycol may have importance for mutagenesis by the reaction of HOBr with thymine residues in nucleotides and DNA.
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27
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Chlorinated Phospholipids and Fatty Acids: (Patho)physiological Relevance, Potential Toxicity, and Analysis of Lipid Chlorohydrins. OXIDATIVE MEDICINE AND CELLULAR LONGEVITY 2016; 2016:8386362. [PMID: 28090245 PMCID: PMC5206476 DOI: 10.1155/2016/8386362] [Citation(s) in RCA: 24] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 09/05/2016] [Revised: 10/24/2016] [Accepted: 11/06/2016] [Indexed: 12/17/2022]
Abstract
Chlorinated phospholipids are formed by the reaction of hypochlorous acid (HOCl), generated by the enzyme myeloperoxidase under inflammatory conditions, and the unsaturated fatty acyl residues or the head group. In the first case the generated chlorohydrins are both proinflammatory and cytotoxic, thus having a significant impact on the structures of biomembranes. The latter case leads to chloramines, the properties of which are by far less well understood. Since HOCl is also widely used as a disinfecting and antibacterial agent in medicinal, industrial, and domestic applications, it may represent an additional source of danger in the case of abuse or mishandling. This review discusses the reaction behavior of in vivo generated HOCl and biomolecules like DNA, proteins, and carbohydrates but will focus on phospholipids. Not only the beneficial and pathological (toxic) effects of chlorinated lipids but also the importance of these chlorinated species is discussed. Some selected cleavage products of (chlorinated) phospholipids and plasmalogens such as lysophospholipids, (chlorinated) free fatty acids and α-chloro fatty aldehydes, which are all well known to massively contribute to inflammatory diseases associated with oxidative stress, will be also discussed. Finally, common analytical methods to study these compounds will be reviewed with focus on mass spectrometric techniques.
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28
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Saikia I, Borah AJ, Phukan P. Use of Bromine and Bromo-Organic Compounds in Organic Synthesis. Chem Rev 2016; 116:6837-7042. [PMID: 27199233 DOI: 10.1021/acs.chemrev.5b00400] [Citation(s) in RCA: 287] [Impact Index Per Article: 35.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/23/2022]
Abstract
Bromination is one of the most important transformations in organic synthesis and can be carried out using bromine and many other bromo compounds. Use of molecular bromine in organic synthesis is well-known. However, due to the hazardous nature of bromine, enormous growth has been witnessed in the past several decades for the development of solid bromine carriers. This review outlines the use of bromine and different bromo-organic compounds in organic synthesis. The applications of bromine, a total of 107 bromo-organic compounds, 11 other brominating agents, and a few natural bromine sources were incorporated. The scope of these reagents for various organic transformations such as bromination, cohalogenation, oxidation, cyclization, ring-opening reactions, substitution, rearrangement, hydrolysis, catalysis, etc. has been described briefly to highlight important aspects of the bromo-organic compounds in organic synthesis.
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Affiliation(s)
| | - Arun Jyoti Borah
- Department of Chemistry, Gauahti University , Guwahati-781014, Assam, India
| | - Prodeep Phukan
- Department of Chemistry, Gauahti University , Guwahati-781014, Assam, India
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29
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Llona-Minguez S, Höglund A, Jacques SA, Johansson L, Calderón-Montaño JM, Claesson M, Loseva O, Valerie NCK, Lundbäck T, Piedrafita J, Maga G, Crespan E, Meijer L, Morón EB, Baranczewski P, Hagbjörk AL, Svensson R, Wiita E, Almlöf I, Visnes T, Jeppsson F, Sigmundsson K, Jensen AJ, Artursson P, Jemth AS, Stenmark P, Berglund UW, Scobie M, Helleday T. Discovery of the First Potent and Selective Inhibitors of Human dCTP Pyrophosphatase 1. J Med Chem 2016; 59:1140-1148. [PMID: 26771665 DOI: 10.1021/acs.jmedchem.5b01741] [Citation(s) in RCA: 33] [Impact Index Per Article: 4.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/23/2023]
Abstract
The dCTPase pyrophosphatase 1 (dCTPase) regulates the intracellular nucleotide pool through hydrolytic degradation of canonical and noncanonical nucleotide triphosphates (dNTPs). dCTPase is highly expressed in multiple carcinomas and is associated with cancer cell stemness. Here we report on the development of the first potent and selective dCTPase inhibitors that enhance the cytotoxic effect of cytidine analogues in leukemia cells. Boronate 30 displays a promising in vitro ADME profile, including plasma and mouse microsomal half-lives, aqueous solubility, cell permeability and CYP inhibition, deeming it a suitable compound for in vivo studies.
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Affiliation(s)
- Sabin Llona-Minguez
- Division of Translational Medicine and Chemical Biology, Science for Life Laboratory, Department of Medical Biochemistry and Biophysics, Karolinska Institutet, Stockholm, Sweden
| | - Andreas Höglund
- Division of Translational Medicine and Chemical Biology, Science for Life Laboratory, Department of Medical Biochemistry and Biophysics, Karolinska Institutet, Stockholm, Sweden
| | - Sylvain A Jacques
- Division of Translational Medicine and Chemical Biology, Science for Life Laboratory, Department of Medical Biochemistry and Biophysics, Karolinska Institutet, Stockholm, Sweden
| | - Lars Johansson
- Division of Translational Medicine and Chemical Biology, Science for Life Laboratory, Department of Medical Biochemistry and Biophysics, Karolinska Institutet, Stockholm, Sweden.,Chemical Biology Consortium Sweden, Science for Life Laboratory, Division of Translational Medicine and Chemical Biology, Department of Medical Biochemistry and Biophysics, Karolinska Institutet, Stockholm, Sweden
| | - José Manuel Calderón-Montaño
- Division of Translational Medicine and Chemical Biology, Science for Life Laboratory, Department of Medical Biochemistry and Biophysics, Karolinska Institutet, Stockholm, Sweden
| | - Magnus Claesson
- Department of Biochemistry and Biophysics, Stockholm University, Svante Arrhenius väg 16C, SE-106 91 Stockholm, Sweden
| | - Olga Loseva
- Division of Translational Medicine and Chemical Biology, Science for Life Laboratory, Department of Medical Biochemistry and Biophysics, Karolinska Institutet, Stockholm, Sweden
| | - Nicholas C K Valerie
- Division of Translational Medicine and Chemical Biology, Science for Life Laboratory, Department of Medical Biochemistry and Biophysics, Karolinska Institutet, Stockholm, Sweden
| | - Thomas Lundbäck
- Division of Translational Medicine and Chemical Biology, Science for Life Laboratory, Department of Medical Biochemistry and Biophysics, Karolinska Institutet, Stockholm, Sweden.,Chemical Biology Consortium Sweden, Science for Life Laboratory, Division of Translational Medicine and Chemical Biology, Department of Medical Biochemistry and Biophysics, Karolinska Institutet, Stockholm, Sweden
| | - Javier Piedrafita
- Torrey Pines Institute for Molecular Studies, 3550 General Atomics Court, San Diego, California 92121, United States
| | - Giovanni Maga
- Istituto di Genetica Molecolare, IGM-CNR, Via Abbiategrasso 207, 27100 Pavia, Italy
| | - Emmanuele Crespan
- Istituto di Genetica Molecolare, IGM-CNR, Via Abbiategrasso 207, 27100 Pavia, Italy
| | - Laurent Meijer
- ManRos Therapeutics, Perharidy Research Center, 29680 Roscoff, Bretagne, France
| | - Estefanía Burgos Morón
- Division of Translational Medicine and Chemical Biology, Science for Life Laboratory, Department of Medical Biochemistry and Biophysics, Karolinska Institutet, Stockholm, Sweden
| | - Pawel Baranczewski
- Division of Translational Medicine and Chemical Biology, Science for Life Laboratory, Department of Medical Biochemistry and Biophysics, Karolinska Institutet, Stockholm, Sweden.,Uppsala University Drug Optimization and Pharmaceutical Profiling Platform (UDOPP), Department of Pharmacy, Science for Life Laboratory, Uppsala University, Uppsala, Sweden
| | - Ann-Louise Hagbjörk
- Uppsala University Drug Optimization and Pharmaceutical Profiling Platform (UDOPP), Department of Pharmacy, Science for Life Laboratory, Uppsala University, Uppsala, Sweden
| | - Richard Svensson
- Uppsala University Drug Optimization and Pharmaceutical Profiling Platform (UDOPP), Department of Pharmacy, Science for Life Laboratory, Uppsala University, Uppsala, Sweden
| | - Elisee Wiita
- Division of Translational Medicine and Chemical Biology, Science for Life Laboratory, Department of Medical Biochemistry and Biophysics, Karolinska Institutet, Stockholm, Sweden
| | - Ingrid Almlöf
- Division of Translational Medicine and Chemical Biology, Science for Life Laboratory, Department of Medical Biochemistry and Biophysics, Karolinska Institutet, Stockholm, Sweden
| | - Torkild Visnes
- Division of Translational Medicine and Chemical Biology, Science for Life Laboratory, Department of Medical Biochemistry and Biophysics, Karolinska Institutet, Stockholm, Sweden
| | - Fredrik Jeppsson
- Division of Translational Medicine and Chemical Biology, Science for Life Laboratory, Department of Medical Biochemistry and Biophysics, Karolinska Institutet, Stockholm, Sweden
| | - Kristmundur Sigmundsson
- Division of Translational Medicine and Chemical Biology, Science for Life Laboratory, Department of Medical Biochemistry and Biophysics, Karolinska Institutet, Stockholm, Sweden.,Chemical Biology Consortium Sweden, Science for Life Laboratory, Division of Translational Medicine and Chemical Biology, Department of Medical Biochemistry and Biophysics, Karolinska Institutet, Stockholm, Sweden
| | - Annika Jenmalm Jensen
- Division of Translational Medicine and Chemical Biology, Science for Life Laboratory, Department of Medical Biochemistry and Biophysics, Karolinska Institutet, Stockholm, Sweden.,Chemical Biology Consortium Sweden, Science for Life Laboratory, Division of Translational Medicine and Chemical Biology, Department of Medical Biochemistry and Biophysics, Karolinska Institutet, Stockholm, Sweden
| | - Per Artursson
- Uppsala University Drug Optimization and Pharmaceutical Profiling Platform (UDOPP), Department of Pharmacy, Science for Life Laboratory, Uppsala University, Uppsala, Sweden
| | - Ann-Sofie Jemth
- Division of Translational Medicine and Chemical Biology, Science for Life Laboratory, Department of Medical Biochemistry and Biophysics, Karolinska Institutet, Stockholm, Sweden
| | - Pål Stenmark
- Department of Biochemistry and Biophysics, Stockholm University, Svante Arrhenius väg 16C, SE-106 91 Stockholm, Sweden
| | - Ulrika Warpman Berglund
- Division of Translational Medicine and Chemical Biology, Science for Life Laboratory, Department of Medical Biochemistry and Biophysics, Karolinska Institutet, Stockholm, Sweden
| | - Martin Scobie
- Division of Translational Medicine and Chemical Biology, Science for Life Laboratory, Department of Medical Biochemistry and Biophysics, Karolinska Institutet, Stockholm, Sweden
| | - Thomas Helleday
- Division of Translational Medicine and Chemical Biology, Science for Life Laboratory, Department of Medical Biochemistry and Biophysics, Karolinska Institutet, Stockholm, Sweden
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Crugeiras J, Ríos A. Halogen transfer through halogen bonds in halogen-bound ammonia homodimers. Phys Chem Chem Phys 2016; 18:30961-30971. [DOI: 10.1039/c6cp06182f] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/15/2023]
Abstract
Halogen bond complexes as intermediates in halogen transfer reactions between N-haloamines and ammonia.
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Affiliation(s)
- Juan Crugeiras
- Departamento de Química Física
- Facultad de Química
- Universidad de Santiago de Compostela
- Spain
| | - Ana Ríos
- Departamento de Química Física
- Facultad de Química
- Universidad de Santiago de Compostela
- Spain
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31
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Masuda T, Xu X, Dimitriadis EK, Lahusen T, Deng CX. "DNA Binding Region" of BRCA1 Affects Genetic Stability through modulating the Intra-S-Phase Checkpoint. Int J Biol Sci 2016; 12:133-43. [PMID: 26884712 PMCID: PMC4737671 DOI: 10.7150/ijbs.14242] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/27/2015] [Accepted: 12/09/2015] [Indexed: 02/07/2023] Open
Abstract
The breast cancer associated gene 1 (BRCA1) contains 3 domains: an N-terminal RING domain with ubiquitin E3 ligase activity, C-terminal BRCT protein interaction domain and a central region. RING and BRCT domains are well characterized, yet the function of the central region remains unclear. In this study, we identified an essential DNA binding region (DBR: 421-701 amino acids) within the central region of human BRCA1, and found that BRCA1 brings DNA together and preferably binds to splayed-arm DNA in a sequence-independent manner. To investigate the biological role of the DBR, we generated mouse ES cells, which lack the DBR (ΔDBR) by using the TALEN method. The ΔDBR cells exhibited decreased survival as compared to the wild type (WT) cells treated with a PARP inhibitor, however they have an intact ability to conduct DNA repair mediated by homologous recombination (HR). The ΔDBR cells continued to incorporate more EdU in the presence of hydroxyurea (HU), which causes replication stress and exhibited reduced viability than the WT cells. Moreover, phosphorylation of CHK1, which regulates the intra-S phase checkpoint, was moderately decreased in ΔDBR cells. These data suggest that DNA binding by BRCA1 affects the stability of DNA replication folks, resulting in weakened intra-S-phase checkpoint control in the ΔDBR cells. The ΔDBR cells also exhibited an increased number of abnormal chromosome structures as compared with WT cells, indicating that the ΔDBR cells have increased genetic instability. Thus, we demonstrated that the DBR of BRCA1 modulates genetic stability through the intra-S-phase checkpoint activated by replication stress.
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Affiliation(s)
- Takaaki Masuda
- 1. Genetics of Development and Disease Branch, National Institute of Diabetes and Digestive and Kidney Diseases, National Institutes of Health, USA
| | - Xiaoling Xu
- 2. Faculty of Health Sciences, University of Macau, Macau SAR, China
| | - Emilios K Dimitriadis
- 3. Laboratory of Bioengineering and Physical Science, National Institute of Biomedical Imaging and Bioengineering, National Institutes of Health, USA
| | - Tyler Lahusen
- 1. Genetics of Development and Disease Branch, National Institute of Diabetes and Digestive and Kidney Diseases, National Institutes of Health, USA
| | - Chu-Xia Deng
- 1. Genetics of Development and Disease Branch, National Institute of Diabetes and Digestive and Kidney Diseases, National Institutes of Health, USA.; 2. Faculty of Health Sciences, University of Macau, Macau SAR, China
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32
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Dao VTV, Casas AI, Maghzal GJ, Seredenina T, Kaludercic N, Robledinos-Anton N, Di Lisa F, Stocker R, Ghezzi P, Jaquet V, Cuadrado A, Schmidt HH. Pharmacology and Clinical Drug Candidates in Redox Medicine. Antioxid Redox Signal 2015; 23:1113-29. [PMID: 26415051 PMCID: PMC4657508 DOI: 10.1089/ars.2015.6430] [Citation(s) in RCA: 64] [Impact Index Per Article: 7.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/24/2022]
Abstract
SIGNIFICANCE Oxidative stress is suggested to be a disease mechanism common to a wide range of disorders affecting human health. However, so far, the pharmacotherapeutic exploitation of this, for example, based on chemical scavenging of pro-oxidant molecules, has been unsuccessful. RECENT ADVANCES An alternative emerging approach is to target the enzymatic sources of disease-relevant oxidative stress. Several such enzymes and isoforms have been identified and linked to different pathologies. For some targets, the respective pharmacology is quite advanced, that is, up to late-stage clinical development or even on the market; for others, drugs are already in clinical use, although not for indications based on oxidative stress, and repurposing seems to be a viable option. CRITICAL ISSUES For all other targets, reliable preclinical validation and drug ability are key factors for any translation into the clinic. In this study, specific pharmacological agents with optimal pharmacokinetic profiles are still lacking. Moreover, these enzymes also serve largely unknown physiological functions and their inhibition may lead to unwanted side effects. FUTURE DIRECTIONS The current promising data based on new targets, drugs, and drug repurposing are mainly a result of academic efforts. With the availability of optimized compounds and coordinated efforts from academia and industry scientists, unambiguous validation and translation into proof-of-principle studies seem achievable in the very near future, possibly leading towards a new era of redox medicine.
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Affiliation(s)
- V. Thao-Vi Dao
- Cardiovascular Research Institute Maastricht (CARIM), Maastricht University, Maastricht, the Netherlands
| | - Ana I. Casas
- Cardiovascular Research Institute Maastricht (CARIM), Maastricht University, Maastricht, the Netherlands
| | - Ghassan J. Maghzal
- Victor Chang Cardiac Research Institute, and School of Medical Sciences, University of New South Wales, Sydney, Australia
| | - Tamara Seredenina
- Department of Pathology and Immunology, Medical School, University of Geneva, Geneva, Switzerland
| | | | - Natalia Robledinos-Anton
- Centro de Investigación Biomédica en Red sobre Enfermedades Neurodegenerativas (CIBERNED), ISCIII, Madrid, Spain
- Instituto de Investigaciones Biomédicas “Alberto Sols” UAM-CSIC, Madrid, Spain
- Instituto de Investigación Sanitaria La Paz (IdiPaz), Madrid, Spain
- Department of Biochemistry, Faculty of Medicine, Autonomous University of Madrid, Madrid, Spain
| | - Fabio Di Lisa
- Neuroscience Institute, CNR, Padova, Italy
- Department of Biomedical Sciences, University of Padova, Padova, Italy
| | - Roland Stocker
- Victor Chang Cardiac Research Institute, and School of Medical Sciences, University of New South Wales, Sydney, Australia
| | - Pietro Ghezzi
- Division of Clinical and Laboratory Investigation, Brighton and Sussex Medical School, Brighton, United Kingdom
| | - Vincent Jaquet
- Department of Pathology and Immunology, Medical School, University of Geneva, Geneva, Switzerland
| | - Antonio Cuadrado
- Centro de Investigación Biomédica en Red sobre Enfermedades Neurodegenerativas (CIBERNED), ISCIII, Madrid, Spain
- Instituto de Investigaciones Biomédicas “Alberto Sols” UAM-CSIC, Madrid, Spain
- Instituto de Investigación Sanitaria La Paz (IdiPaz), Madrid, Spain
- Department of Biochemistry, Faculty of Medicine, Autonomous University of Madrid, Madrid, Spain
| | - Harald H.H.W. Schmidt
- Cardiovascular Research Institute Maastricht (CARIM), Maastricht University, Maastricht, the Netherlands
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Specific role of taurine in the 8-brominated-2'-deoxyguanosine formation. Arch Biochem Biophys 2015; 586:45-50. [PMID: 26456401 DOI: 10.1016/j.abb.2015.10.002] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/27/2015] [Revised: 09/16/2015] [Accepted: 10/05/2015] [Indexed: 02/08/2023]
Abstract
At the sites of inflammation, hypohalous acids, such as hypochlorous acid and hypobromous acid (HOBr), are produced by myeloperoxidase. These hypohalous acids rapidly react with the primary amino groups to produce haloamines, which are relatively stable and can diffuse long distances and cross the plasma membrane. In this study, we examined the effects of taurine, the most abundant free amino acid in the leukocyte cytosol, on the hypohalous acid-dependent formation of 8-chloro-2'-deoxyguanosine (8-CldG) and 8-bromo-2'-deoxyguanosine (8-BrdG). The reaction of taurine with HOBr yielded taurine bromamine, which is the most stable among other bromamines of amino acids. Taurine also enhanced the bromination of only dG among the four 2'-deoxynucleosides, whereas it inhibited the 8-CldG formation. The specificity of taurine for the enhanced formation of halogenated dG is completely different from that of nicotine, an enhancer of chlorination. The amount of dibrominated taurine (taurine dibromamine) closely correlated with the formation of 8-BrdG, suggesting that taurine dibromamine might be a plausible mediator for the dG bromination in vivo.
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Yang B, Wu RR, Rodgers MT. Base-Pairing Energies of Proton-Bound Dimers and Proton Affinities of 1-Methyl-5-Halocytosines: Implications for the Effects of Halogenation on the Stability of the DNA i-Motif. JOURNAL OF THE AMERICAN SOCIETY FOR MASS SPECTROMETRY 2015; 26:1469-1482. [PMID: 26148525 DOI: 10.1007/s13361-015-1174-2] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/07/2014] [Revised: 04/22/2015] [Accepted: 04/24/2015] [Indexed: 06/04/2023]
Abstract
(CCG)(n)•(CGG)(n) trinucleotide repeats have been found to be associated with fragile X syndrome, the most widespread inherited cause of mental retardation in humans. The (CCG)(n)•(CGG)(n) repeats adopt i-motif conformations that are preferentially stabilized by base-pairing interactions of noncanonical proton-bound dimers of cytosine (C(+)•C). Halogenated cytosine residues are one form of DNA damage that may be important in altering the structure and stability of DNA or DNA-protein interactions and, hence, regulate gene expression. Previously, we investigated the effects of 5-halogenation and 1-methylation of cytosine on the base-pairing energies (BPEs) using threshold collision-induced dissociation (TCID) techniques. In the present study, we extend our work to include proton-bound homo- and heterodimers of cytosine, 1-methyl-5-fluorocytosine, and 1-methyl-5-bromocytosine. All modifications examined here are found to produce a decrease in the BPEs. However, the BPEs of all of the proton-bound dimers examined significantly exceed those of Watson-Crick G•C, neutral C•C base pairs, and various methylated variants such that DNA i-motif conformations should still be preserved in the presence of these modifications. The proton affinities (PAs) of the halogenated cytosines are also obtained from the experimental data by competitive analysis of the primary dissociation pathways that occur in parallel for the proton-bound heterodimers. 5-Halogenation leads to a decrease in the N3 PA of cytosine, whereas 1-methylation leads to an increase in the N3 PA. Thus, the 1-methyl-5-halocytosines exhibit PAs that are intermediate.
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Affiliation(s)
- Bo Yang
- Department of Chemistry, Wayne State University, Detroit, MI, 48202, USA
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Human dCTP pyrophosphatase 1 promotes breast cancer cell growth and stemness through the modulation on 5-methyl-dCTP metabolism and global hypomethylation. Oncogenesis 2015; 4:e159. [PMID: 26075750 PMCID: PMC4491611 DOI: 10.1038/oncsis.2015.10] [Citation(s) in RCA: 24] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/13/2015] [Revised: 03/24/2015] [Accepted: 04/02/2015] [Indexed: 12/11/2022] Open
Abstract
Human DCTPP1 (dCTP pyrophosphatase 1), also known as XTP3-transactivated protein A, belongs to MazG-like nucleoside triphosphate pyrophosphatase (NTP-PPase) superfamily. Being a newly identified pyrophosphatase, its relevance to tumorigenesis and the mechanisms are not well investigated. In the present study, we have confirmed our previous study that DCTPP1 was significantly hyperexpressed in breast cancer and further demonstrated its strong association with tumor progression and poor prognosis in breast cancer. Knockdown of DCTPP1 in breast cancer cell line MCF-7 cells remarkably retarded proliferation and colony formation in vitro. The capacity of mammosphere formation of MCF-7 was suppressed with the silence of DCTPP1, which was consistent with the enhanced mammosphere-forming ability in DCTPP1-overexpressed MDA-MB-231 cells. To further dissect the mechanisms of DCTPP1 in promoting tumor cell growth and stemness maintenance, its biochemical properties and biological functions were investigated. DCTPP1 displayed bioactive form with tetrameric structure similar to other MazG domain-containing pyrophosphatases based on structure simulation. A substrate preference for dCTP and its methylated or halogen-modified derivatives over the other canonical (deoxy-) NTPs was demonstrated from enzymatic assay. This substrate preference was also proved in breast cancer cells that the intracellular 5-methyl-dCTP level increased in DCTPP1-deficient MCF-7 cells but decreased in DCTPP1-overexpressed MDA-MB-231 cells. Moreover, global methylation level was elevated in DCTPP1-knockdown MCF-7 cells or mammosphere-forming MCF-7 cells but decreased significantly in DCTPP1-overexpressed MDA-MB-231 cells and its mammospheres. Our results thus indicated that human DCTPP1 was capable of modulating the concentration of intracellular 5-methyl-dCTP. This in turn affected global methylation, contributing to a known phenomenon of hypomethylation related to the cancer cell growth and stemness maintenance. Our current investigations point to the pathological functions of DCTPP1 overexpression in breast cancer cells with aberrant dCTP metabolism and epigenetic modification.
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Houée-Lévin C, Bobrowski K, Horakova L, Karademir B, Schöneich C, Davies MJ, Spickett CM. Exploring oxidative modifications of tyrosine: An update on mechanisms of formation, advances in analysis and biological consequences. Free Radic Res 2015; 49:347-73. [DOI: 10.3109/10715762.2015.1007968] [Citation(s) in RCA: 80] [Impact Index Per Article: 8.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
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Effect of Taurine on Viability and Proliferation of Murine Melanoma B16F10 Cells. ADVANCES IN EXPERIMENTAL MEDICINE AND BIOLOGY 2015; 803:167-77. [DOI: 10.1007/978-3-319-15126-7_15] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 02/27/2023]
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38
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Strus M, Walczewska M, Machul A, Mikołajczyk D, Marcinkiewicz J. Taurine Haloamines and Biofilm. Part I: Antimicrobial Activity of Taurine Bromamine and Chlorhexidine Against Biofilm Forming Pseudomonas aeruginosa. TAURINE 9 2015; 803:121-32. [DOI: 10.1007/978-3-319-15126-7_11] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/10/2023]
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Rayner BS, Love DT, Hawkins CL. Comparative reactivity of myeloperoxidase-derived oxidants with mammalian cells. Free Radic Biol Med 2014; 71:240-255. [PMID: 24632382 DOI: 10.1016/j.freeradbiomed.2014.03.004] [Citation(s) in RCA: 71] [Impact Index Per Article: 7.1] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/31/2014] [Revised: 03/04/2014] [Accepted: 03/05/2014] [Indexed: 12/21/2022]
Abstract
Myeloperoxidase is an important heme enzyme released by activated leukocytes that catalyzes the reaction of hydrogen peroxide with halide and pseudo-halide ions to form various hypohalous acids. Hypohalous acids are chemical oxidants that have potent antibacterial, antiviral, and antifungal properties and, as such, play key roles in the human immune system. However, increasing evidence supports an alternative role for myeloperoxidase-derived oxidants in the development of disease. Excessive production of hypohalous acids, particularly during chronic inflammation, leads to the initiation and accumulation of cellular damage that has been implicated in many human pathologies including atherosclerosis, neurodegenerative disease, lung disease, arthritis, inflammatory cancers, and kidney disease. This has sparked a significant interest in developing a greater understanding of the mechanisms involved in myeloperoxidase-derived oxidant-induced mammalian cell damage. This article reviews recent developments in our understanding of the cellular reactivity of hypochlorous acid, hypobromous acid, and hypothiocyanous acid, the major oxidants produced by myeloperoxidase under physiological conditions.
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Affiliation(s)
- Benjamin S Rayner
- Inflammation Group, The Heart Research Institute, Newtown, Sydney, NSW 2042, Australia; Sydney Medical School, University of Sydney, Sydney, NSW 2006, Australia
| | - Dominic T Love
- Inflammation Group, The Heart Research Institute, Newtown, Sydney, NSW 2042, Australia; Sydney Medical School, University of Sydney, Sydney, NSW 2006, Australia
| | - Clare L Hawkins
- Inflammation Group, The Heart Research Institute, Newtown, Sydney, NSW 2042, Australia; Sydney Medical School, University of Sydney, Sydney, NSW 2006, Australia.
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40
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Investigating the influence of taurine on thiol antioxidant status in Wistar rats with a multi-analytical approach. J Appl Biomed 2014. [DOI: 10.1016/j.jab.2013.01.002] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/20/2023] Open
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41
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Gorudko IV, Grigorieva DV, Shamova EV, Kostevich VA, Sokolov AV, Mikhalchik EV, Cherenkevich SN, Arnhold J, Panasenko OM. Hypohalous acid-modified human serum albumin induces neutrophil NADPH oxidase activation, degranulation, and shape change. Free Radic Biol Med 2014; 68:326-34. [PMID: 24384524 DOI: 10.1016/j.freeradbiomed.2013.12.023] [Citation(s) in RCA: 46] [Impact Index Per Article: 4.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/22/2013] [Revised: 12/18/2013] [Accepted: 12/20/2013] [Indexed: 12/14/2022]
Abstract
Halogenated lipids, proteins, and lipoproteins formed in reactions with myeloperoxidase (MPO)-derived hypochlorous acid (HOCl) and hypobromous acid (HOBr) can contribute to the regulation of functional activity of cells and serve as mediators of inflammation. Human serum albumin (HSA) is the major plasma protein target of hypohalous acids. This study was performed to assess the potency of HSA modified by HOCl (HSA-Cl) and HOBr (HSA-Br) to elicit selected neutrophil responses. HSA-Cl/Br were found to induce neutrophil degranulation, generation of reactive oxygen intermediates, shape change, and actin cytoskeleton reorganization. Thus HSA-Cl/Br can initially act as a switch and then as a feeder of the "inflammatory loop" under oxidative stress. In HSA-Cl/Br-treated neutrophils, monoclonal antibodies against CD18, the β subunit of β2 integrins, reduced the production of superoxide anion radicals and hydrogen peroxide as well as MPO exocytosis, suggesting that CD18 contributed to neutrophil activation. HSA-Cl/Br-induced neutrophil responses were also inhibited by genistein, a broad-specificity tyrosine kinase inhibitor, and wortmannin, a phosphoinositide 3-kinase (PI3K) inhibitor, supporting the notion that activation of both tyrosine kinase and PI3K may play a role in neutrophil activation by HSA modified in MPO-dependent reactions. These results confirm the hypothesis that halogenated molecules formed in vivo via MPO-dependent reactions can be considered as a new class of biologically active substances potentially able to contribute to activation of myeloid cells in sites of inflammation and serve as inflammatory response modulators.
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Affiliation(s)
- Irina V Gorudko
- Department of Biophysics, Belarusian State University, Minsk 220050, Belarus.
| | - Daria V Grigorieva
- Department of Biophysics, Belarusian State University, Minsk 220050, Belarus
| | - Ekaterina V Shamova
- Department of Biophysics, Belarusian State University, Minsk 220050, Belarus
| | - Valeria A Kostevich
- Institute of Experimental Medicine, Saint-Petersburg 197376, Russia; Research Institute of Physico-Chemical Medicine, Moscow 119435, Russia
| | - Alexey V Sokolov
- Institute of Experimental Medicine, Saint-Petersburg 197376, Russia; Research Institute of Physico-Chemical Medicine, Moscow 119435, Russia; State University of Saint Petersburg, Saint Petersburg 199000, Russia
| | | | | | - Jürgen Arnhold
- Institute for Medical Physics and Biophysics, Medical Faculty, University of Leipzig, 04107 Leipzig, Germany
| | - Oleg M Panasenko
- Research Institute of Physico-Chemical Medicine, Moscow 119435, Russia
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Myeloperoxidase upregulates endothelin receptor type B expression. J Mol Cell Cardiol 2014; 69:76-82. [PMID: 24417960 DOI: 10.1016/j.yjmcc.2013.12.007] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/12/2013] [Revised: 11/29/2013] [Accepted: 12/10/2013] [Indexed: 11/23/2022]
Abstract
Neutrophil recruitment and activation are principal events in inflammation. Upon activation neutrophils release myeloperoxidase (MPO), a heme enzyme, which binds to and transcytoses endothelial cells. Whereas the significance of the subendothelial deposition of MPO has evolved as a critical prerequisite for the enzyme's suppression of nitric oxide (NO⋅) bioavailability, the functional consequences of MPO binding to and interaction with endothelial and smooth muscle cells remain poorly understood. Cultured human endothelial cells (HUVECs) were exposed to MPO. Gene expression of the endothelin receptor type B (ETRB), which is critically involved not only in endothelin-1 clearance, but also in endothelin-mediated vasoconstriction, was significantly increased. Real time PCR, Western blotting and immunofluorescence confirmed up-regulation of ETRB in MPO-treated endothelial cells. Inhibition of MPO's enzymatic activity blunted the increase in ETRB protein expression. Treatment of the cells with the MAP kinase inhibitors PD98059 or SB203580 indicates that MPO activates ETRB expression via MAP kinase pathways. On human smooth muscle cells (HAoSMCs), which not only express the endothelin receptor type B (ETRB) but also express the endothelin receptor type A (ETRA), MPO also stimulated ETRB expression as opposed to ETRA expression, which remained unchanged. Functional ex vivo organ bath chamber studies with MPO-incubated rat femoral artery sections revealed increased ETRB agonist dependent constriction. Binding of MPO to endothelial and vascular smooth muscle cells increases expression of the endothelin receptor type B (ETRB) via classical MAP kinase pathways. This suggests that MPO not only affects vasomotion by reducing the bioavailability of vasodilating molecules but also by increasing responsiveness to vasoconstrictors, further advocating for MPO as a central, leukocyte-derived regulator of vascular tone.
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Liu H, Lichti CF, Mirfattah B, Frahm J, Nilsson CL. A modified database search strategy leads to improved identification of in vitro brominated peptides spiked into a complex proteomic sample. J Proteome Res 2013; 12:4248-54. [PMID: 23898862 DOI: 10.1021/pr400472c] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
Abstract
Inflammation leads to activation of immune cells, resulting in production of hypobromous acid. Few investigations have been performed on protein bromination on a proteomic scale, even though bromination is a relatively abundant protein modification in endogenously brominated proteomes. Such studies have been hampered by the lack of an optimized database search strategy. In order to address this issue, we performed nano-LC-MS/MS analysis of an in vitro generated, trypsin-digested brominated human serum albumin standard, spiked into a complex trypsin-digested proteomic background, in an LTQ-Orbitrap instrument. We found that brominated peptides spiked in at a 1-10% ratio (mass:mass) were easily identified by manual inspection when higher-energy collisional dissociation (HCD) and collision induced dissociation (CID) were employed as the dissociation mode; however, confident assignment of brominated peptides from protein database searches required a novel approach. By addition of a custom modification, corresponding to the substitution of a single bromine with 81Br rather than 79Br for dibromotyrosine (79Br81BrY), the number of validated assignments for peptides containing dibromotyrosine increased significantly when analyzing both high resolution and low resolution MS/MS data. This new approach will facilitate the identification of proteins derived from endogenously brominated proteomes, providing further knowledge about the role of protein bromination in various pathological states.
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Affiliation(s)
- Huiling Liu
- University of Texas Medical Branch, Department of Pharmacology and Toxicology, 301 University Boulevard, Galveston, Texas 77555-0617, United States
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Formation of 8-S-L-cysteinylguanosine from 8-bromoguanosine and cysteine. Bioorg Med Chem Lett 2013; 23:3864-7. [PMID: 23714713 DOI: 10.1016/j.bmcl.2013.04.084] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/09/2013] [Revised: 04/23/2013] [Accepted: 04/26/2013] [Indexed: 11/21/2022]
Abstract
When 8-bromoguanosine was incubated with cysteine at pH 7.4 and 37 °C, a previously unidentified product was formed as a major product in addition to guanosine. The product was identified as a cysteine substitution derivative of guanosine at the 8 position, 8-S-L-cysteinylguanosine. The reaction was accelerated under mildly basic conditions. The cysteine adduct of guanosine was fairly stable and decomposed with a half-life of 193 h at pH 7.4 and 37 °C. Similar results were observed for incubation of 8-bromo-2'-deoxyguanosine with cysteine. The results suggest that 8-bromoguanine in nucleosides, nucleotides, RNA, and DNA can react with thiols resulting in stable adducts.
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Suzuki T, Nakamura A, Inukai M. Reaction of 3',5'-di-O-acetyl-2'-deoxyguansoine with hypobromous acid. Bioorg Med Chem 2013; 21:3674-9. [PMID: 23685182 DOI: 10.1016/j.bmc.2013.04.060] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/01/2013] [Revised: 04/16/2013] [Accepted: 04/17/2013] [Indexed: 11/26/2022]
Abstract
Hypobromous acid (HOBr) is formed by eosinophil peroxidase and myeloperoxidase in the presence of H2O2, Cl(-), and Br(-) in the host defense system of humans, protecting against invading bacteria. However, the formed HOBr may cause damage to DNA and its components in the host. When a guanine nucleoside (3',5'-di-O-acetyl-2'-deoxyguansoine) was treated with HOBr at pH 7.4, spiroiminodihydantoin, guanidinohydantoin/iminoallantoin, dehydro-iminoallantoin, diimino-imidazole, amino-imidazolone, and diamino-oxazolone nucleosides were generated in addition to an 8-bromoguanine nucleoside. The major products were spiroiminodihydantoin under neutral conditions and guanidinohydantoin/iminoallantoin under mildly acidic conditions. All the products were formed in the reaction with HOCl in the presence of Br(-). These products were also produced by eosinophil peroxidase or myeloperoxidase in the presence of H2O2, Cl(-), and Br(-). The results suggest that the products other than 8-bromoguanine may also have importance for mutagenesis by the reaction of HOBr with guanine residues in nucleotides and DNA.
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Affiliation(s)
- Toshinori Suzuki
- School of Pharmacy, Shujitsu University, 1-6-1 Nishigawara, Okayama 703-8516, Japan.
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Spectrometric and Chromatographic Study of Reactive Oxidants Hypochlorous and Hypobromous Acids and Their Interactions with Taurine. Chromatographia 2012. [DOI: 10.1007/s10337-012-2354-x] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/27/2022]
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Abstract
Taurine (2-aminoethanesulfonic acid) is the most abundant free amino acid in humans and plays an important role in several essential biological processes such as bile acid conjugation, maintenance of calcium homeostasis, osmoregulation and membrane stabilization. Moreover, attenuation of apoptosis and its antioxidant activity seem to be crucial for the cytoprotective effects of taurine. Although these properties are not tissue specific, taurine reaches particularly high concentrations in tissues exposed to elevated levels of oxidants (e.g., inflammatory cells). It suggests that taurine may play an important role in inflammation associated with oxidative stress. Indeed, at the site of inflammation, taurine is known to react with and detoxify hypochlorous acid generated by the neutrophil myeloperoxidase (MPO)–halide system. This reaction results in the formation of less toxic taurine chloramine (TauCl). Both haloamines, TauCl and taurine bromamine (TauBr), the product of taurine reaction with hypobromous acid (HOBr), exert antimicrobial and anti-inflammatory properties. In contrast to a well-documented regulatory role of taurine and taurine haloamines (TauCl, TauBr) in acute inflammation, their role in the pathogenesis of inflammatory diseases is not clear. This review summarizes our current knowledge concerning the role of taurine, TauCl and TauBr in the pathogenesis of inflammatory diseases initiated or propagated by MPO-derived oxidants. The aim of this paper is to show links between inflammation, neutrophils, MPO, oxidative stress and taurine. We will discuss the possible contribution of taurine and taurine haloamines to the pathogenesis of inflammatory diseases, especially in the best studied example of rheumatoid arthritis.
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Affiliation(s)
- Janusz Marcinkiewicz
- Department of Immunology, Jagiellonian University Medical College, 18 Czysta St., 31-121, Kraków, Poland,
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Pattison DI, Davies MJ, Hawkins CL. Reactions and reactivity of myeloperoxidase-derived oxidants: Differential biological effects of hypochlorous and hypothiocyanous acids. Free Radic Res 2012; 46:975-95. [DOI: 10.3109/10715762.2012.667566] [Citation(s) in RCA: 120] [Impact Index Per Article: 10.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/31/2022]
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Facile identification of photocleavable reactive metabolites and oxidative stress biomarkers in proteins via mass spectrometry. Anal Bioanal Chem 2012; 403:2269-77. [DOI: 10.1007/s00216-012-5867-0] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/12/2011] [Revised: 02/01/2012] [Accepted: 02/10/2012] [Indexed: 10/28/2022]
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Neutrophil myeloperoxidase: soldier and statesman. Arch Immunol Ther Exp (Warsz) 2011; 60:43-54. [PMID: 22143159 DOI: 10.1007/s00005-011-0156-8] [Citation(s) in RCA: 80] [Impact Index Per Article: 6.2] [Reference Citation Analysis] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/20/2011] [Accepted: 10/05/2011] [Indexed: 01/15/2023]
Abstract
Myeloperoxidase (MPO) is a major protein constituent of the primary granules of vertebrate neutrophils. It catalyses the hydrogen peroxide-mediated oxidation of halide ions to hypohalous acids, especially HOCl. These reactive oxygen species can participate in a variety of secondary reactions, leading to modifications of amino acids and many types of biological macromolecules. The classic paradigm views MPO as a component of the phagocyte oxygen-dependent intracellular microbicidal system, and thus an important arm of the effector phase of innate immune responses. However, the limited immunodeficiency associated with lack of MPO in mouse and human models has challenged this paradigm. In this review we examine more recent information on the interaction between MPO, its bioreactive reaction products, and targets within the inflammatory microenvironment. We propose that two assumptions of the current model may require revisiting. First, many important targets of MPO modification are extracellular, rather than present only within the phagolysosome, such as various components of neutrophil extracellular traps. Second, we suggest that the pro-inflammatory pathological role of MPO may be a particular feature of chronic inflammation. In the physiological setting of acute neutrophil-mediated inflammation MPO may also form part of a negative feedback loop which down-regulates inflammation, limits tissue damage, and facilitates the switch from innate to adaptive immunity. This different perspective on this well-studied enzyme may usefully inform further research into its function in health and disease.
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