1
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Gong Q, Lai Y, Lin W. A dual-color ESIPT-based probe for simultaneous detection of hydrogen sulfide and hydrazine. J Mater Chem B 2024; 12:5150-5156. [PMID: 38757243 DOI: 10.1039/d4tb00318g] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 05/18/2024]
Abstract
Hydrogen sulfide (H2S) and hydrazine (N2H4) are toxic compounds in environmental and living systems, and hydrogen sulfide is also an important signaling molecule. However, in the absence of dual-color probes capable of detecting both H2S and N2H4, the ability to monitor the crosstalk of these substances is restricted. Herein, we developed an ESIPT-based dual-response fluorescent probe (BDM-DNP) for H2S and N2H4 detection via dually responsive sites. The BDM-DNP possessed absorbing strength in the detection of H2S and N2H4, with a large Stokes shift (156 nm for H2S and 108 nm for N2H4), high selectivity and sensitivity, and good biocompatibility. Furthermore, BDM-DNP can be utilized for the detection of hydrogen sulfide and hydrazine in actual soil, and gaseous H2S and N2H4 in environmental systems. Notably, BDM-DNP can detect H2S and N2H4 in living cells for disease diagnosis and treatment evaluation.
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Affiliation(s)
- Qian Gong
- Institute of Optical Materials and Chemical Biology, Guangxi Key Laboratory of Electrochemical Energy Materials, School of Chemistry and Chemical Engineering, Guangxi University, Nanning, Guangxi 530004, P. R. China.
| | - Youbo Lai
- Institute of Optical Materials and Chemical Biology, Guangxi Key Laboratory of Electrochemical Energy Materials, School of Chemistry and Chemical Engineering, Guangxi University, Nanning, Guangxi 530004, P. R. China.
| | - Weiying Lin
- Institute of Optical Materials and Chemical Biology, Guangxi Key Laboratory of Electrochemical Energy Materials, School of Chemistry and Chemical Engineering, Guangxi University, Nanning, Guangxi 530004, P. R. China.
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2
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Choi K, Lim H, Shin H. Development of a simultaneous analysis method of azodicarbonamide, semicarbazide, and hydrazine in flour products using
HPLC. B KOREAN CHEM SOC 2022. [DOI: 10.1002/bkcs.12496] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022]
Affiliation(s)
- Kyeong‐Yun Choi
- Department of Environmental Science Kongju National University Gongju South Korea
| | - Hyun‐Hee Lim
- Daejeon‐Sejong Division Occupational Safety and Health Agency Daejeon City South Korea
| | - Ho‐Sang Shin
- Department of Environmental Education Kongju National University Gongju South Korea
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3
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Rooney CL, Wu Y, Tao Z, Wang H. Electrochemical Reductive N-Methylation with CO 2 Enabled by a Molecular Catalyst. J Am Chem Soc 2021; 143:19983-19991. [PMID: 34784216 DOI: 10.1021/jacs.1c10863] [Citation(s) in RCA: 22] [Impact Index Per Article: 7.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/19/2022]
Abstract
The development of benign methylation reactions utilizing CO2 as a one-carbon building block would enable a more sustainable chemical industry. Electrochemical CO2 reduction has been extensively studied, but its application for reductive methylation reactions remains out of the scope of current electrocatalysis. Here, we report the first electrochemical reductive N-methylation reaction with CO2 and demonstrate its compatibility with amines, hydroxylamines, and hydrazine. Catalyzed by cobalt phthalocyanine molecules supported on carbon nanotubes, the N-methylation reaction proceeds in aqueous media via the chemical condensation of an electrophilic carbon intermediate, proposed to be adsorbed or near-electrode formaldehyde formed from the four-electron reduction of CO2, with nucleophilic nitrogenous reactants and subsequent reduction. By comparing various amines, we discover that the nucleophilicity of the amine reactant is a descriptor for the C-N coupling efficacy. We extend the scope of the reaction to be compatible with cheap and abundant nitro-compounds by developing a cascade reduction process in which CO2 and nitro-compounds are reduced concurrently to yield N-methylamines with high monomethylation selectivity via the overall transfer of 12 electrons and 12 protons.
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Affiliation(s)
- Conor L Rooney
- Department of Chemistry, Yale University, New Haven, Connecticut 06520, United States.,Energy Sciences Institute, Yale University, West Haven, Connecticut 06516, United States
| | - Yueshen Wu
- Department of Chemistry, Yale University, New Haven, Connecticut 06520, United States.,Energy Sciences Institute, Yale University, West Haven, Connecticut 06516, United States
| | - Zixu Tao
- Department of Chemistry, Yale University, New Haven, Connecticut 06520, United States.,Energy Sciences Institute, Yale University, West Haven, Connecticut 06516, United States
| | - Hailiang Wang
- Department of Chemistry, Yale University, New Haven, Connecticut 06520, United States.,Energy Sciences Institute, Yale University, West Haven, Connecticut 06516, United States
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4
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Spencer PS, Kisby GE. Role of Hydrazine-Related Chemicals in Cancer and Neurodegenerative Disease. Chem Res Toxicol 2021; 34:1953-1969. [PMID: 34379394 DOI: 10.1021/acs.chemrestox.1c00150] [Citation(s) in RCA: 14] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
Abstract
Hydrazine-related chemicals (HRCs) with carcinogenic and neurotoxic potential are found in certain mushrooms and plants used for food and in products employed in various industries, including aerospace. Their propensity to induce DNA damage (mostly O6-, N7- and 8-oxo-guanine lesions) resulting in multiple downstream effects is linked with both cancer and neurological disease. For cycling cells, unrepaired DNA damage leads to mutation and uncontrolled mitosis. By contrast, postmitotic neurons attempt to re-enter the cell cycle but undergo apoptosis or nonapoptotic cell death. Biomarkers of exposure to HRCs can be used to explore whether these substances are risk factors for sporadic amyotrophic laterals sclerosis and other noninherited neurodegenerative diseases, which is the focus of this paper.
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Affiliation(s)
- Peter S Spencer
- Oregon Health and Science University, Portland, Oregon 97239, United States
| | - Glen E Kisby
- College of Osteopathic Medicine of the Pacific Northwest, Western University of Health Sciences, Lebanon, Oregon 97355, United States
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5
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Nadalutti CA, Prasad R, Wilson SH. Perspectives on formaldehyde dysregulation: Mitochondrial DNA damage and repair in mammalian cells. DNA Repair (Amst) 2021; 105:103134. [PMID: 34116475 DOI: 10.1016/j.dnarep.2021.103134] [Citation(s) in RCA: 11] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/10/2021] [Revised: 04/21/2021] [Accepted: 05/09/2021] [Indexed: 12/15/2022]
Abstract
Maintaining genome stability involves coordination between different subcellular compartments providing cells with DNA repair systems that safeguard against environmental and endogenous stresses. Organisms produce the chemically reactive molecule formaldehyde as a component of one-carbon metabolism, and cells maintain systems to regulate endogenous levels of formaldehyde under physiological conditions, preventing genotoxicity, among other adverse effects. Dysregulation of formaldehyde is associated with several diseases, including cancer and neurodegenerative disorders. In the present review, we discuss the complex topic of endogenous formaldehyde metabolism and summarize advances in research on fo dysregulation, along with future research perspectives.
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Affiliation(s)
- Cristina A Nadalutti
- Genome Integrity and Structural Biology Laboratory, National Institute of Environmental Health Sciences, NIH, Research Triangle Park, NC 27709, USA
| | - Rajendra Prasad
- Genome Integrity and Structural Biology Laboratory, National Institute of Environmental Health Sciences, NIH, Research Triangle Park, NC 27709, USA
| | - Samuel H Wilson
- Genome Integrity and Structural Biology Laboratory, National Institute of Environmental Health Sciences, NIH, Research Triangle Park, NC 27709, USA.
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6
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Ioannou DI, Gioftsidou DK, Tsina VE, Kallitsakis MG, Hatzidimitriou AG, Terzidis MA, Angaridis PA, Lykakis IN. Selective Reduction of Nitroarenes to Arylamines by the Cooperative Action of Methylhydrazine and a Tris( N-heterocyclic thioamidate) Cobalt(III) Complex. J Org Chem 2021; 86:2895-2906. [PMID: 33497222 DOI: 10.1021/acs.joc.0c02814] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Abstract
We report an efficient catalytic protocol that chemoselectively reduces nitroarenes to arylamines, by using methylhydrazine as a reducing agent in combination with the easily synthesized and robust catalyst tris(N-heterocyclic thioamidate) Co(III) complex [Co(κS,N-tfmp2S)3], tfmp2S = 4-(trifluoromethyl)-pyrimidine-2-thiolate. A series of arylamines and heterocyclic amines were formed in excellent yields and chemoselectivity. High conversion yields of nitroarenes into the corresponding amines were observed by using polar protic solvents, such as MeOH and iPrOH. Among several hydrogen donors that were examined, methylhydrazine demonstrated the best performance. Preliminary mechanistic investigations, supported by UV-vis and NMR spectroscopy, cyclic voltammetry, and high-resolution mass spectrometry, suggest a cooperative action of methylhydrazine and [Co(κS,N-tfmp2S)3] via a coordination activation pathway that leads to the formation of a reduced cobalt species, responsible for the catalytic transformation. In general, the corresponding N-arylhydroxylamines were identified as the sole intermediates. Nevertheless, the corresponding nitrosoarenes can also be formed as intermediates, which, however, are rapidly transformed into the desired arylamines in the presence of methylhydrazine through a noncatalytic path. On the basis of the observed high chemoselectivity and yields, and the fast and clean reaction processes, the present catalytic system [Co(κS,N-tfmp2S)3]/MeNHNH2 shows promise for the efficient synthesis of aromatic amines that could find various industrial applications.
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Affiliation(s)
- Dimitris I Ioannou
- Department of Chemistry, Aristotle University of Thessaloniki, University Campus, Thessaloniki 54124, Greece
| | - Dimitra K Gioftsidou
- Department of Chemistry, Aristotle University of Thessaloniki, University Campus, Thessaloniki 54124, Greece
| | - Vasiliki E Tsina
- Department of Chemistry, Aristotle University of Thessaloniki, University Campus, Thessaloniki 54124, Greece
| | - Michael G Kallitsakis
- Department of Chemistry, Aristotle University of Thessaloniki, University Campus, Thessaloniki 54124, Greece
| | - Antonios G Hatzidimitriou
- Department of Chemistry, Aristotle University of Thessaloniki, University Campus, Thessaloniki 54124, Greece
| | - Michael A Terzidis
- Department of Nutritional Sciences and Dietetics, International Hellenic University, Sindos, Thessaloniki 57400, Greece
| | - Panagiotis A Angaridis
- Department of Chemistry, Aristotle University of Thessaloniki, University Campus, Thessaloniki 54124, Greece
| | - Ioannis N Lykakis
- Department of Chemistry, Aristotle University of Thessaloniki, University Campus, Thessaloniki 54124, Greece
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7
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Kallitsakis MG, Ioannou DI, Terzidis MA, Kostakis GE, Lykakis IN. Selective Photoinduced Reduction of Nitroarenes to N-Arylhydroxylamines. Org Lett 2020; 22:4339-4343. [PMID: 32453579 DOI: 10.1021/acs.orglett.0c01367] [Citation(s) in RCA: 12] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Abstract
We report the selective photoinduced reduction of nitroarenes to N-arylhydroxylamines. The present methodology facilitates this transformation in the absence of catalyst or additives and uses only light and methylhydrazine. This noncatalytic photoinduced transformation proceeds with a broad scope, excellent functional-group tolerance, and high yields. The potential of this protocol reflects on the selective and straightforward conversion of two general antibiotics, azomycin and chloramphenicol, to the bioactive hydroxylamine species.
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Affiliation(s)
- Michael G Kallitsakis
- Department of Chemistry, Aristotle University of Thessaloniki, University Campus, Thessaloniki 54124, Greece
| | - Dimitris I Ioannou
- Department of Chemistry, Aristotle University of Thessaloniki, University Campus, Thessaloniki 54124, Greece
| | - Michael A Terzidis
- Department of Nutritional Sciences & Dietetics, International Hellenic University, P.O. 141 Sindos, 57400 Thessaloniki, Greece
| | - George E Kostakis
- Department of Chemistry, School of Life Sciences, University of Sussex, Brighton BN1 9QJ, U.K
| | - Ioannis N Lykakis
- Department of Chemistry, Aristotle University of Thessaloniki, University Campus, Thessaloniki 54124, Greece
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8
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Products and Mechanistic Investigations on the Reactions of Hydrazines with Ozone in Gas-Phase. Symmetry (Basel) 2018. [DOI: 10.3390/sym10090394] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022] Open
Abstract
The toxic transformation products of hydrazines are of great concern. These products’ properties combined with their formation mechanisms are needed to assess their potential environmental and human impacts. In this study, the gas-phase reaction of hydrazine (N2H4), monomethyldrazine (MMH) and unsymmetrical dimethyhydrazine (UDMH) with O3 have been studied at varying reactant ratios, both in the presence and absence of a radical trap. Gas chromatography-mass spectroscopy (GC-MS) has been implied to follow reactant consumption and product formation. Apart from the reported products detected by Fourier transform infrared spectroscopy (FT-IR), the newly found compounds (hydrazones, formamides, dimethylamine, 1,1,4,4-tetramethyl-1,2-tetrazene,dimethylamino-acetonitrile, N2, H2O, et al.) are identified by GC-MS. The relative yields of the organic products vary considerably at different O3/MMH or UDMH ratios. UDMH and MMH are confirmed as high potential precursors of N-nitrosodimethylamine (NDMA). The presence of hydroxyl radicals (HO·) hinders NDMA formation in MMH-O3 system. Meanwhile, it increases NDMA formation in UDMH-O3 system. The suggested reaction mechanisms which account for the observed products are discussed.
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9
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Inami K, Takada M, Nagata M, Higashi T, Mochizuki M. The mutagenic mechanism of oxygenated alkylhydrazones occurs through alkyl radicals and alkyldiazonium ions. Toxicol Res (Camb) 2017; 6:173-178. [DOI: 10.1039/c6tx00430j] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/21/2016] [Accepted: 02/01/2017] [Indexed: 11/21/2022] Open
Abstract
Hydrazone hydroperoxides were formed by autoxidation and their mutagenicity was derived from the alkyldiazonium ion and the radical species.
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Affiliation(s)
- Keiko Inami
- Faculty of Pharmaceutical Sciences
- Tokyo University of Science
- Noda-shi
- Japan
- Kyoritsu University of Pharmacy
| | - Miki Takada
- Kyoritsu University of Pharmacy
- Minato-ku
- Japan
| | - Miho Nagata
- Kyoritsu University of Pharmacy
- Minato-ku
- Japan
| | | | - Masataka Mochizuki
- Faculty of Pharmaceutical Sciences
- Tokyo University of Science
- Noda-shi
- Japan
- Kyoritsu University of Pharmacy
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10
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Simple and sensitive determination of hydrazine in drinking water by ultra-high-performance liquid chromatography–tandem mass spectrometry after derivatization with naphthalene-2,3-dialdehyde. J Chromatogr A 2015; 1395:73-8. [DOI: 10.1016/j.chroma.2015.03.051] [Citation(s) in RCA: 59] [Impact Index Per Article: 6.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/21/2015] [Revised: 03/21/2015] [Accepted: 03/23/2015] [Indexed: 11/18/2022]
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11
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Gionfriddo E, Naccarato A, Sindona G, Tagarelli A. Determination of hydrazine in drinking water: Development and multivariate optimization of a rapid and simple solid phase microextraction-gas chromatography-triple quadrupole mass spectrometry protocol. Anal Chim Acta 2014; 835:37-45. [DOI: 10.1016/j.aca.2014.05.038] [Citation(s) in RCA: 31] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/19/2014] [Revised: 05/22/2014] [Accepted: 05/25/2014] [Indexed: 10/25/2022]
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12
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Oh JA, Park JH, Shin HS. Sensitive determination of hydrazine in water by gas chromatography–mass spectrometry after derivatization with ortho-phthalaldehyde. Anal Chim Acta 2013; 769:79-83. [DOI: 10.1016/j.aca.2013.01.036] [Citation(s) in RCA: 78] [Impact Index Per Article: 7.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/22/2012] [Revised: 01/14/2013] [Accepted: 01/18/2013] [Indexed: 10/27/2022]
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13
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Development of new structural alerts suitable for chemical category formation for assigning covalent and non-covalent mechanisms relevant to DNA binding. MUTATION RESEARCH-GENETIC TOXICOLOGY AND ENVIRONMENTAL MUTAGENESIS 2012; 743:10-9. [DOI: 10.1016/j.mrgentox.2011.12.029] [Citation(s) in RCA: 25] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/25/2011] [Revised: 10/11/2011] [Accepted: 12/15/2011] [Indexed: 11/19/2022]
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14
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Enoch SJ, Cronin MTD. A review of the electrophilic reaction chemistry involved in covalent DNA binding. Crit Rev Toxicol 2011; 40:728-48. [PMID: 20722585 DOI: 10.3109/10408444.2010.494175] [Citation(s) in RCA: 89] [Impact Index Per Article: 6.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022]
Abstract
The need to assess the ability of a chemical to act as a mutagen or a genotoxic carcinogen (collectively termed genotoxicity) is one of the primary requirements in regulatory toxicology. Several pieces of legislation have led to an increased interest in the use of in silico methods, specifically the formation of chemical categories for the assessment of toxicological endpoints. A key step in the development of chemical categories for genotoxicity is defining the organic chemistry associated with the formation of a covalent bond between DNA and an exogenous chemical. This organic chemistry is typically defined as structural alerts. To this end, this article has reviewed the literature defining the structural alerts associated with covalent DNA binding. Importantly, this review article also details the mechanistic organic chemistry associated with each of the structural alerts. This information is extremely important in terms of meeting regulatory requirements for the acceptance of the chemical category approach. The structural alerts and associated mechanistic chemistry have been incorporated into the Organisation for Economic Co-operation and Development (OECD) (Q)SAR Application Toolbox.
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Affiliation(s)
- S J Enoch
- School of Pharmacy and Chemistry, Liverpool John Moores University, Liverpool, England, UK
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15
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He R, Lu J, Miao J. Formaldehyde stress. SCIENCE CHINA-LIFE SCIENCES 2010; 53:1399-404. [PMID: 21181340 DOI: 10.1007/s11427-010-4112-3] [Citation(s) in RCA: 68] [Impact Index Per Article: 4.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/01/2010] [Accepted: 11/19/2010] [Indexed: 12/16/2022]
Abstract
Formaldehyde, one of the most toxic organic compounds, is produced and processed in human cells. The level of human endogenous formaldehyde is maintained at a low concentration (0.01-0.08 mmol L(-1) in blood) under physiological conditions, but the concentration increases during ageing (over 65 years old). Clinical trials have shown that urine formaldehyde concentrations are significantly different between elderly Alzheimer's patients (n=91) and normal elderly volunteers (n=38) (P<0.001). Abnormally high levels of intrinsic formaldehyde lead to dysfunction in cognition such as learning decline and memory loss. Excess extracellular and intracellular formaldehyde could induce metabolic response and abnormal modifications of cellular proteins such as hydroxymethylation and hyperphosphorylation, protein misfolding, nuclear translocation and even cell death. This cellular response called formaldehyde stress is dependent upon the concentration of formaldehyde. Chronic impairments of the brain resulted from formaldehyde stress could be one of the mechanisms involved in the process of senile dementia during ageing.
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Affiliation(s)
- Rongqiao He
- State Key Laboratory of Brain and Cognitive Sciences, Institute of Biophysics, Chinese Academy of Sciences, Beijing 100101, China.
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16
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Zhang R, Lee IK, Kang KA, Piao MJ, Kim KC, Kim BJ, Lee NH, Choi JY, Choi J, Hyun JW. Cytoprotective effects of triphlorethol-A against formaldehyde-induced oxidative damage and apoptosis: role of mitochondria-mediated caspase-dependent pathway. JOURNAL OF TOXICOLOGY AND ENVIRONMENTAL HEALTH. PART A 2010; 73:1477-89. [PMID: 20954074 DOI: 10.1080/15287394.2010.511564] [Citation(s) in RCA: 12] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/30/2023]
Abstract
The toxicity of formaldehyde (HCHO) has been attributed to its ability to form adducts with DNA and proteins. Triphlorethol-A, derived from Ecklonia cava, was reported to exert a cytoprotective effect against oxidative stress damage via an antioxidant mechanism. The aim of this study was to examine the mechanisms underlying the triphlorethol-A ability to protect Chinese hamster lung fibroblast (V79-4) cells against HCHO-induced damage. Triphlorethol-A significantly decreased the HCHO-induced intracellular reactive oxygen species (ROS) production. Triphlorethol-A prevented increased cell damage induced by HCHO via inhibition of mitochondria-mediated caspase-dependent apoptosis pathway. Triphlorethol-A diminished HCHO-induced mitochondrial dysfunction, including loss of mitochondrial membrane action potential (Δψ) and adenosine triphosphate (ATP) depletion. Furthermore, the anti-apoptotic effect of triphlorethol-A was exerted through inhibition of c-Jun NH(2)-terminal kinase (JNK), which was enhanced by HCHO. Our data indicate that triphlorethol-A exerts a cytoprotective effect in V79-4 cells against HCHO-induced oxidative stress by inhibiting the mitochondria-mediated caspase-dependent apoptotic pathway.
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Affiliation(s)
- Rui Zhang
- School of Medicine and Applied Radiological Science Research Institute, Jeju National University, Jeju, Korea
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17
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Davis, II WE, Li Y. Analysis of Hydrazine in Drinking Water by Isotope Dilution Gas Chromatography/Tandem Mass Spectrometry with Derivatization and Liquid−Liquid Extraction. Anal Chem 2008; 80:5449-53. [DOI: 10.1021/ac702536d] [Citation(s) in RCA: 43] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Affiliation(s)
- William E. Davis, II
- Underwriters Laboratories Inc., 110 South Hill Street, South Bend, Indiana 46617
| | - Yongtao Li
- Underwriters Laboratories Inc., 110 South Hill Street, South Bend, Indiana 46617
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18
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Teng S, Beard K, Pourahmad J, Moridani M, Easson E, Poon R, O'Brien PJ. The formaldehyde metabolic detoxification enzyme systems and molecular cytotoxic mechanism in isolated rat hepatocytes. Chem Biol Interact 2001; 130-132:285-96. [PMID: 11306052 DOI: 10.1016/s0009-2797(00)00272-6] [Citation(s) in RCA: 152] [Impact Index Per Article: 6.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/17/2022]
Abstract
The toxicity and carcinogenicity of formaldehyde (HCHO) has been attributed to its ability to form adducts with DNA and proteins. A marked decrease in mitochondrial membrane potential and inhibition of mitochondrial respiration that was accompanied by reactive oxygen species formation occurred when isolated rat hepatocytes were incubated with low concentrations of HCHO in a dose-dependent manner. Hepatocyte GSH was also depleted by HCHO in a dose-dependent manner. At higher HCHO concentrations, lipid peroxidation ensued followed by cell death. Cytotoxicity studies were conducted in which isolated hepatocytes exposed to HCHO were treated with inhibitors of HCHO metabolising enzymes. There was a marked increase in HCHO cytotoxicity when either alcohol dehydrogenase or aldehyde dehydrogenase was inhibited. Inhibition of GSH-dependent HCHO dehydrogenase activity by prior depletion of GSH markedly increased hepatocyte susceptibility to HCHO. In each case, cytotoxicity was dose-dependent and corresponded with a decrease in hepatocyte HCHO metabolism and increased lipid peroxidation. Antioxidants and iron chelators protected against HCHO cytotoxicity. Cytotoxicity was also prevented, when cyclosporine or carnitine was added to prevent the opening of the mitochondrial permeability transition pore which further suggests that HCHO targets the mitochondria. Thus, HCHO-metabolising gene polymorphisms would be expected to have toxicological consequences on an individual's susceptibility to HCHO toxicity and carcinogenesis.
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Affiliation(s)
- S Teng
- Faculty of Pharmacy, University of Toronto, 19 Russell St., Ont., M5S 2S2, Toronto, Canada
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19
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Hullán L, Trézl L, Szarvas T, Csiba A. The Hydrazine Derivative Aminoguanidine Inhibits the Reaction of Tetrahydrofolic Acid with Hydroxymethylarginine Biomolecule. ACTA BIOLOGICA HUNGARICA 1998. [DOI: 10.1007/bf03543000] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/18/2022]
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20
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Lunn G, Sansone EB. Oxidation of 1,1-dimethylhydrazine (UDMH) in aqueous solution with air and hydrogen peroxide. CHEMOSPHERE 1994; 29:1577-90. [PMID: 7953474 DOI: 10.1016/0045-6535(94)90287-9] [Citation(s) in RCA: 23] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/17/2023]
Abstract
The degradation of 1,1-dimethylhydrazine (UDMH), a component of some rocket fuels, was investigated using atmospheric oxygen and hydrogen peroxide. The reactions were carried out in the presence and absence of copper catalysis and at varying pH. Reactions were also carried out in the presence of hydrazine, a constituent, along with UDMH, of the rocket fuel Aerozine-50. In the presence of copper, UDMH was degraded by air passed through the solution; the efficiency of degradation increased as the pH increased but the carcinogen N-nitrosodimethylamine (NDMA) was formed at neutral and alkaline pH. Oxidation was not seen in the absence of copper. Production of NDMA occurred even at copper concentrations of < 1 ppm. Oxidation of UDMH with hydrogen peroxide also gave rise to NDMA. When copper was absent degradation of UDMH did not occur at acid pH but when copper was present some degradation occurred at all pH levels investigated. The production of NDMA occurred mostly at neutral and alkaline pH. In general, higher concentrations of hydrogen peroxide and copper favored the production of NDMA. Dimethylamine, methanol, formaldehyde dimethylhydrazone, formaldehyde hydrazone, and tetramethyltetrazene were also produced. The last three compounds were tested and found to be mutagenic.
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Affiliation(s)
- G Lunn
- PRI/DynCorp, Environmental Control and Research Program, NCI-Frederich Cancer Research and Development Center, MD 21702-1201
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21
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Miroshnichenko OS. Biogenesis, physiological role, and properties of catalase. ACTA ACUST UNITED AC 1992. [DOI: 10.7124/bc.00033c] [Citation(s) in RCA: 10] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
Affiliation(s)
- O. S. Miroshnichenko
- Institute of Molecular Biology and Genetics, National Academy of Sciences of Ukraine
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22
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Kozelka J, Segal E, Bois C. Cytotoxic activity of platinum (II) complexes with tri-n-butylphosphine. Crystal structure of the dinuclear hydrazine-bridged complex, cis,cis-[PtCl(PBu3n)2(mu-N2H4)PtCl(PBu3n) 2] (ClO4)2.2CHCl3. J Inorg Biochem 1992; 47:67-80. [PMID: 1431874 DOI: 10.1016/0162-0134(92)84043-m] [Citation(s) in RCA: 21] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/27/2022]
Abstract
A series of platinum(II) tri-n-butylphosphine complexes having the formulas cis-[PtCl2L2], NEt4[PtCl3L], [PtCl(en)L]Cl, [Pt(en)L2](ClO4)2, sym-trans-[Pt2Cl4L2], [Pt2Cl2L4](ClO4)2, trans,trans-[PtCl2L(mu-N2H4)PtCl2L] trans,trans-[PtCl2L(mu-en)PtCl2L], and cis,cis-[PtClL2(mu-N2H4)PtClL2](ClO4)2 (L = tri-n-butylphosphine; en = ethylenediamine) have been synthesized and their cytotoxic activity in vitro and in vivo has been studied. The solution behavior of the novel dinuclear diamine-bridged platinum(II) complexes has been investigated by means of UV and 31P NMR spectroscopy. For the ionic hydrazine compound cis,cis-[PtClL2(mu-N2H4)PtClL2](ClO4)2, an x-ray structure determination is reported. Crystal data: space group P2(1)/a, a = 17.803(1), b = 18.888(3), c = 12.506(3) A, beta = 107.97(2) degrees, Z = 2, R = 0.052, RW = 0.058. The platinum coordination is approximately square-planar, with the bond lengths Pt-Cl = 2.358(5), Pt-N = 2.15(1), Pt-P(trans to Cl) = 2.260(5), and Pt-P(trans to N) = 2.262(6) A. All investigated compounds were cytotoxic in vitro against L1210 cells and showed no cross-resistance to cisplatin. On the other hand, no antitumor activity was observed vs L1210 leucemia in DBA2 mice.
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Affiliation(s)
- J Kozelka
- Laboratoire de Chimie et Biochimie Pharmacologiques et Toxicologiques, Université René Descartes, Paris, France
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Formation of 8-methylguanine as a result of DNA alkylation by methyl radicals generated during horseradish peroxidase-catalyzed oxidation of methylhydrazine. J Biol Chem 1990. [DOI: 10.1016/s0021-9258(18)45674-8] [Citation(s) in RCA: 37] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022] Open
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