1
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Jin Y, Ma W, Yan B. Unearth the Luminescence Potential of Metal-Organic Frameworks: Adopting a Feasible Strategy to Fabricate One Ratiometric Fluorescence Sensor for Monitoring Both 1-Hydroxypyrene and Cu 2. Inorg Chem 2022; 61:1349-1359. [PMID: 34995465 DOI: 10.1021/acs.inorgchem.1c02794] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
Abstract
In this work, a novel luminescent hybrid material with double emission centers (Eu(TTA)0.2@9-1-UMOF) is successfully prepared, adopting a feasible design strategy. Initially, the second ligand 1,2,4-benzenetricarboxylic acid (H3BTC) is encapsulated based on a solid solution approach, which effectively improves the ligand-based emission intensity of the original LMOF and provides functional sites for introducing the second luminescent center; then, Eu3+ as the red emission source is loaded into the frameworks through a coordination post-synthetic modification method; finally, to balance the emission intensity at 613 nm (Eu3+) and 465 nm (1,4-naphthalenedicarboxylic acid (H2NDC)), 2-thenoyltrifluoroacetone (TTA) as a powerful antenna is introduced. Given the outstanding luminescence properties and structural stability of Eu(TTA)0.2@9-1-UMOF, it is further developed as a ratiometric sensor for detecting 1-hydroxypyrene (1-HP, the biomarker of polycyclic aromatic hydrocarbons (PAHs)) and Cu2+, which promotes the pre-diagnosis of human health. Notably, Eu(TTA)0.2@9-1-UMOF exhibits excellent selective recognition ability for both 1-HP and Cu2+ with high sensitivity (LOD = 4.06 × 10-6 mg/mL, 3.85 × 10-7 mol/L, respectively) and fast response speed. In addition, Eu(TTA)0.2@9-1-UMOF as a fluorescent probe shows great potential for the determination of 1-HP and Cu2+ in actual samples. More importantly, this work widens the road for the development of dual/multiple LMOF-based sensors for analytical applications.
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Affiliation(s)
- Yingmin Jin
- School of Chemical Science and Engineering, Tongji University, Siping Road 1239, Shanghai 200092, China
| | - Wanpeng Ma
- School of Chemical Science and Engineering, Tongji University, Siping Road 1239, Shanghai 200092, China
| | - Bing Yan
- School of Chemical Science and Engineering, Tongji University, Siping Road 1239, Shanghai 200092, China.,School of Materials Science and Engineering, Liaocheng University, Liaocheng 252000, China
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2
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Habibagahi A, Alderman N, Kubwabo C. A review of the analysis of biomarkers of exposure to tobacco and vaping products. ANALYTICAL METHODS : ADVANCING METHODS AND APPLICATIONS 2020; 12:4276-4302. [PMID: 32853303 DOI: 10.1039/d0ay01467b] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/11/2023]
Abstract
Quantification of exposure to different chemicals from both combustible cigarettes and vaping products is important in providing information on the potential health risks of these products. To assess the exposure to tobacco products, biomarkers of exposure (BOEs) are measured in a variety of biological matrices. In this review paper, current knowledge on analytical methods applied to the analysis of biomarkers of exposure to tobacco products is discussed. Numerous sample preparation techniques are available for the extraction and sample clean up for the analysis of BOEs to tobacco and nicotine delivery products. Many tobacco products-related exposure biomarkers have been analyzed using different instrumental techniques, the most common techniques being gas and liquid chromatography coupled with mass spectrometry (GC-MS, GC-MS/MS and LC-MS/MS). To assess exposure to emerging tobacco products and study exposure in dual tobacco users, the list of biomarkers analyzed in urine samples has been expanded. Therefore, the current state of the literature can be used in preparing a preferred list of biomarkers based on the aim of each study. The information summarized in this review is expected to be a handy tool for researchers involved in studying exposures to tobacco products, as well as in risk assessment of biomarkers of exposure to vaping products.
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Affiliation(s)
- Arezoo Habibagahi
- Exposure and Biomonitoring Division, Environmental Health Science and Research Bureau, Health Canada, Ottawa, ON K1A 0K9, Canada.
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3
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Sun CZ, Zhang LY, Wang JY, Chen ZN, Dai FR. Sensitive and selective urinary 1-hydroxypyrene detection by dinuclear terbium-sulfonylcalixarene complex. Dalton Trans 2018; 47:8301-8306. [DOI: 10.1039/c8dt01604f] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Conveniently synthesized sulfonylcalixarene-based dinuclear terbium luminescent sensor exhibits quick response, high sensitivity, and specific selectivity for urinary 1-hydroxypyrene detection.
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Affiliation(s)
- Cheng-Zhe Sun
- State Key Laboratory of Structural Chemistry
- Fujian Institute of Research on the Structure of Matter
- Chinese Academy of Sciences
- Fuzhou
- China
| | - Li-Yi Zhang
- State Key Laboratory of Structural Chemistry
- Fujian Institute of Research on the Structure of Matter
- Chinese Academy of Sciences
- Fuzhou
- China
| | - Jin-Yun Wang
- State Key Laboratory of Structural Chemistry
- Fujian Institute of Research on the Structure of Matter
- Chinese Academy of Sciences
- Fuzhou
- China
| | - Zhong-Ning Chen
- State Key Laboratory of Structural Chemistry
- Fujian Institute of Research on the Structure of Matter
- Chinese Academy of Sciences
- Fuzhou
- China
| | - Feng-Rong Dai
- State Key Laboratory of Structural Chemistry
- Fujian Institute of Research on the Structure of Matter
- Chinese Academy of Sciences
- Fuzhou
- China
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4
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Zhou Y, Yang Q, Cuan J, Wang Y, Gan N, Cao Y, Li T. A pyrene-involved luminescent MOF for monitoring 1-hydroxypyrene, a biomarker for human intoxication of PAH carcinogens. Analyst 2018; 143:3628-3634. [DOI: 10.1039/c8an00909k] [Citation(s) in RCA: 29] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/19/2022]
Abstract
A robust pyrene-involved MOF is developed as a luminescent platform for sensitive detection of 1-hydroxypyrene, a human intoxication biomarker of PAH carcinogens, by utilizing the efficient host–guest π–π charge transfer interactions.
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Affiliation(s)
- You Zhou
- Faculty of Materials Science and Chemical Engineering
- Ningbo University
- Ningbo 315211
- China
| | - Qian Yang
- Faculty of Materials Science and Chemical Engineering
- Ningbo University
- Ningbo 315211
- China
| | - Jing Cuan
- Institute for Superconducting & Electronic Materials
- School of Mechanical
- Materials and Mechatronics Engineering
- University of Wollongong
- Wollongong
| | - Yanan Wang
- Faculty of Materials Science and Chemical Engineering
- Ningbo University
- Ningbo 315211
- China
| | - Ning Gan
- Faculty of Materials Science and Chemical Engineering
- Ningbo University
- Ningbo 315211
- China
| | - Yuting Cao
- Faculty of Materials Science and Chemical Engineering
- Ningbo University
- Ningbo 315211
- China
| | - Tianhua Li
- Faculty of Materials Science and Chemical Engineering
- Ningbo University
- Ningbo 315211
- China
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5
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Schick SF, Blount BC, Jacob P, Saliba NA, Bernert JT, El Hellani A, Jatlow P, Pappas RS, Wang L, Foulds J, Ghosh A, Hecht SS, Gomez JC, Martin JR, Mesaros C, Srivastava S, St Helen G, Tarran R, Lorkiewicz PK, Blair IA, Kimmel HL, Doerschuk CM, Benowitz NL, Bhatnagar A. Biomarkers of exposure to new and emerging tobacco delivery products. Am J Physiol Lung Cell Mol Physiol 2017; 313:L425-L452. [PMID: 28522563 PMCID: PMC5626373 DOI: 10.1152/ajplung.00343.2016] [Citation(s) in RCA: 84] [Impact Index Per Article: 12.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/16/2016] [Revised: 04/18/2017] [Accepted: 05/09/2017] [Indexed: 12/20/2022] Open
Abstract
Accurate and reliable measurements of exposure to tobacco products are essential for identifying and confirming patterns of tobacco product use and for assessing their potential biological effects in both human populations and experimental systems. Due to the introduction of new tobacco-derived products and the development of novel ways to modify and use conventional tobacco products, precise and specific assessments of exposure to tobacco are now more important than ever. Biomarkers that were developed and validated to measure exposure to cigarettes are being evaluated to assess their use for measuring exposure to these new products. Here, we review current methods for measuring exposure to new and emerging tobacco products, such as electronic cigarettes, little cigars, water pipes, and cigarillos. Rigorously validated biomarkers specific to these new products have not yet been identified. Here, we discuss the strengths and limitations of current approaches, including whether they provide reliable exposure estimates for new and emerging products. We provide specific guidance for choosing practical and economical biomarkers for different study designs and experimental conditions. Our goal is to help both new and experienced investigators measure exposure to tobacco products accurately and avoid common experimental errors. With the identification of the capacity gaps in biomarker research on new and emerging tobacco products, we hope to provide researchers, policymakers, and funding agencies with a clear action plan for conducting and promoting research on the patterns of use and health effects of these products.
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Affiliation(s)
- Suzaynn F Schick
- Division of Occupational and Environmental Medicine, Department of Medicine, University of California, San Francisco, California;
| | | | - Peyton Jacob
- Division of Clinical Pharmacology and Experimental Therapeutics, Department of Medicine, University of California, San Francisco, California
| | - Najat A Saliba
- Department of Chemistry, American University of Beirut, Beirut, Lebanon
- Center for the Study of Tobacco Products, Virginia Commonwealth University, Richmond, Virginia
| | - John T Bernert
- Centers for Disease Control and Prevention, Atlanta, Georgia
| | - Ahmad El Hellani
- Department of Chemistry, American University of Beirut, Beirut, Lebanon
- Center for the Study of Tobacco Products, Virginia Commonwealth University, Richmond, Virginia
| | - Peter Jatlow
- Departments of Laboratory Medicine and Psychiatry, Yale University, New Haven, Connecticut
| | - R Steven Pappas
- Centers for Disease Control and Prevention, Atlanta, Georgia
| | - Lanqing Wang
- Centers for Disease Control and Prevention, Atlanta, Georgia
| | - Jonathan Foulds
- Tobacco Center of Regulatory Science, College of Medicine, Pennsylvania State University, Hershey, Pennsylvania
| | - Arunava Ghosh
- Marsico Lung Institute, School of Medicine, University of North Carolina at Chapel Hill, Chapel Hill, North Carolina
| | - Stephen S Hecht
- Masonic Cancer Center, University of Minnesota, Minneapolis, Minnesota
| | - John C Gomez
- Marsico Lung Institute, School of Medicine, University of North Carolina at Chapel Hill, Chapel Hill, North Carolina
| | - Jessica R Martin
- Marsico Lung Institute, School of Medicine, University of North Carolina at Chapel Hill, Chapel Hill, North Carolina
| | - Clementina Mesaros
- Department of Systems Pharmacology and Translational Therapeutics, University of Pennsylvania, Philadelphia, Pennsylvania
| | - Sanjay Srivastava
- Department of Medicine, Institute of Molecular Cardiology and Diabetes and Obesity Center, University of Louisville, Louisville, Kentucky
| | - Gideon St Helen
- Division of Clinical Pharmacology and Experimental Therapeutics, Department of Medicine, University of California, San Francisco, California
| | - Robert Tarran
- Marsico Lung Institute, School of Medicine, University of North Carolina at Chapel Hill, Chapel Hill, North Carolina
| | - Pawel K Lorkiewicz
- Department of Medicine, Institute of Molecular Cardiology and Diabetes and Obesity Center, University of Louisville, Louisville, Kentucky
| | - Ian A Blair
- Department of Systems Pharmacology and Translational Therapeutics, University of Pennsylvania, Philadelphia, Pennsylvania
| | - Heather L Kimmel
- Division of Epidemiology, Services and Prevention Research, National Institute on Drug Abuse, National Institutes of Health, Bethesda, Maryland
| | - Claire M Doerschuk
- Marsico Lung Institute, School of Medicine, University of North Carolina at Chapel Hill, Chapel Hill, North Carolina
| | - Neal L Benowitz
- Division of Clinical Pharmacology and Experimental Therapeutics, Departments of Medicine and Bioengineering and Therapeutic Sciences, University of California, San Francisco, California; and
| | - Aruni Bhatnagar
- Department of Medicine, Institute of Molecular Cardiology and Diabetes and Obesity Center, University of Louisville, Louisville, Kentucky
- American Heart Association Tobacco Regulation and Addiction Center, University of Louisville, Louisville, Kentucky
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6
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Hayakawa K, Tang N, Toriba A. Recent analytical methods for atmospheric polycyclic aromatic hydrocarbons and their derivatives. Biomed Chromatogr 2016; 31. [DOI: 10.1002/bmc.3862] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/27/2016] [Accepted: 09/30/2016] [Indexed: 12/15/2022]
Affiliation(s)
- Kazuichi Hayakawa
- Institute of Nature and Environmental Technology; Kanazawa University; Japan
| | - Ning Tang
- Institute of Nature and Environmental Technology; Kanazawa University; Japan
| | - Akira Toriba
- Institute of Medical, Pharmaceutical and Health Sciences; Kanazawa University; Japan
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7
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TODOROKI K, YANAGO K, YOSHIDA H, NOHTA H, YAMAGUCHI M. Selective HPLC Analysis of Polycylic Aromatic Hydrocarbons Using Exciplex Fluorescence Phenomenon. BUNSEKI KAGAKU 2016. [DOI: 10.2116/bunsekikagaku.65.729] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
Affiliation(s)
| | - Keiko YANAGO
- Faculty of Pharmaceutical Sciences, Fukuoka University
| | | | - Hitoshi NOHTA
- Faculty of Pharmaceutical Sciences, Fukuoka University
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8
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Kakimoto K, Nagayoshi H, Inazumi N, Tani A, Konishi Y, Kajimura K, Ohura T, Nakano T, Tang N, Hayakawa K, Toriba A. Identification and characterization of oxidative metabolites of 1-chloropyrene. Chem Res Toxicol 2015; 28:1728-36. [PMID: 26252339 DOI: 10.1021/acs.chemrestox.5b00173] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Abstract
Polycyclic aromatic hydrocarbons (PAHs) and chlorinated PAHs (ClPAHs) are ubiquitous contaminants that bind to the aryl hydrocarbon receptor (AhR) and exhibit mutagenic potential. It is difficult to monitor human exposure levels to ClPAHs because the exposure routes are complicated, and environmental concentrations are not always correlated with the levels of PAHs. Urinary PAH metabolites are useful biomarkers for evaluating PAH exposure, and ClPAH metabolites may therefore contribute to the estimation of ClPAH exposure. One of the most abundant ClPAHs present in the environment is 1-chloropyrene (ClPyr), and urinary ClPyr metabolites have the potential to be good biomarkers to evaluate the level of exposure to ClPAHs. Since the metabolic pathways involving ClPAHs are still undetermined, we investigated the effect of human cytochrome P450 enzymes on ClPyr and identified three oxidative metabolites by liquid chromatography-tandem mass spectrometry and nuclear magnetic resonance. We found that ClPyr was metabolized most efficiently by the P450 1A1 enzyme, followed by the 1B1 and 1A2 enzymes. Similar to ClPyr, these metabolites were shown to have agonist activity for the human AhR. We detected these metabolites when ClPyr reacted with a pooled human liver S9 fraction as well as in human urine samples. These results suggest that the metabolites may be used as biomarkers to evaluate the extent of exposure to ClPAHs.
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Affiliation(s)
- Kensaku Kakimoto
- Osaka Prefectural Institute of Public Health , 1-3-69 Nakamichi, Higashinari-ku, Osaka 537-0025, Japan.,Institute of Medical, Pharmaceutical and Health Sciences, Kanazawa University , Kakuma-machi, Kanazawa, Ishikawa 920-1192, Japan
| | - Haruna Nagayoshi
- Osaka Prefectural Institute of Public Health , 1-3-69 Nakamichi, Higashinari-ku, Osaka 537-0025, Japan
| | - Naoya Inazumi
- Technical Support Division, Graduate School of Science, Osaka University , 1-1, Machikaneyama, Toyonaka, Osaka 560-0043, Japan
| | - Atsushi Tani
- Department of Earth and Space Science, Graduate School of Science, Osaka University , 1-1, Machikaneyama, Toyonaka, Osaka 560-0043, Japan
| | - Yoshimasa Konishi
- Osaka Prefectural Institute of Public Health , 1-3-69 Nakamichi, Higashinari-ku, Osaka 537-0025, Japan
| | - Keiji Kajimura
- Osaka Prefectural Institute of Public Health , 1-3-69 Nakamichi, Higashinari-ku, Osaka 537-0025, Japan
| | - Takeshi Ohura
- Department of Environmental Bioscience, Faculty of Agriculture, Meijo University , 1-501, Shiogamaguchi, Tenpaku-ku, Nagoya 468-8502, Japan
| | - Takeshi Nakano
- Research Center for Environmental Preservation, Osaka University , 2-4, Yamadaoka, Suita, Osaka 565-0871, Japan
| | - Ning Tang
- Institute of Medical, Pharmaceutical and Health Sciences, Kanazawa University , Kakuma-machi, Kanazawa, Ishikawa 920-1192, Japan
| | - Kazuichi Hayakawa
- Institute of Medical, Pharmaceutical and Health Sciences, Kanazawa University , Kakuma-machi, Kanazawa, Ishikawa 920-1192, Japan
| | - Akira Toriba
- Institute of Medical, Pharmaceutical and Health Sciences, Kanazawa University , Kakuma-machi, Kanazawa, Ishikawa 920-1192, Japan
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9
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Hu Y, Du C, Li Y, Fan L, Li X. A gold nanoparticle-based colorimetric probe for rapid detection of 1-hydroxypyrene in urine. Analyst 2015; 140:4662-7. [DOI: 10.1039/c5an00722d] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Direct and rapid detection of 1-hydroxypyrene (1-OHP) is of great importance owing to its high carcinogenicity, teratogenicity and toxicity.
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Affiliation(s)
- Yaqi Hu
- Key Laboratory of Theoretical and Computational Photochemistry
- Ministry of Education
- College of Chemistry
- Beijing Normal University
- Beijing 100875
| | - Chunyan Du
- Key Laboratory of Theoretical and Computational Photochemistry
- Ministry of Education
- College of Chemistry
- Beijing Normal University
- Beijing 100875
| | - Yunchao Li
- Key Laboratory of Theoretical and Computational Photochemistry
- Ministry of Education
- College of Chemistry
- Beijing Normal University
- Beijing 100875
| | - Louzhen Fan
- Key Laboratory of Theoretical and Computational Photochemistry
- Ministry of Education
- College of Chemistry
- Beijing Normal University
- Beijing 100875
| | - Xiaohong Li
- Key Laboratory of Theoretical and Computational Photochemistry
- Ministry of Education
- College of Chemistry
- Beijing Normal University
- Beijing 100875
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10
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Nakazawa H. [Pharmaceutical analysis of chemicals related with daily life products for safe and secure]. YAKUGAKU ZASSHI 2014; 134:413-26. [PMID: 24584023 DOI: 10.1248/yakushi.13-00241] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
Abstract
An association between exposure to trace hazardous chemicals such as endocrine disrupting chemicals and an increased incidence of human endocrine disease might be continued to study. The accurate and sensitive analytical methods for determination of various chemicals in human biospecimen such as urine, blood and breast milk have been studied by techniques including chromatography. In order to obtain the safe and secure life, the pharmaceutical analytical approaches might be applicable with the hopes of realizing scientific risk assessment of the chemicals derived from daily life products as regulatory sciences.
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Kawanami S, Nguyen TTU, Inoue J, Kawai K, Horie S. Urinary 1-hydroxypyrene levels among office workers living in industrial areas. J UOEH 2014; 36:1-10. [PMID: 24633179 DOI: 10.7888/juoeh.36.1] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 06/03/2023]
Abstract
We examined exposure to polycyclic aromatic hydrocarbons (PAHs) among non-smoking office workers in 2 countries living in the vicinity of a coke-oven factory by measuring their levels of urinary 1-OHP, a known metabolite of PAHs. Subjects included 10 non-smoking office workers in Kitakyushu city (Japan) and 20 workers in Thai Nguyen city (Vietnam). Measurement was optimized by using the high-performance liquid chromatography (HPLC) method developed by Jongeneelen et al. This method required only a small amount of urine and had a short incubation time, and its detection limit was very low (0.00448 ng/ml), which was practical and highly sensitive.The median urinary 1-OHP concentration in the Vietnamese subjects (0.417 ng/mg creatinine) was six times as high as that in the Japanese subjects (0.069 ng/mg creatinine) (P < 0.001). However, both concentrations were significantly below the guideline level, below which there is no genotoxic effect, implying a low probability of any adverse health effects.Our measurements from both countries showed higher urinary 1-OHP concentrations than in previous studies from locations without factories, indicating that ambient air pollution from industrial emissions is an important source of PAH exposure. Finally, the urinary 1-OHP concentrations did not correlate with gender or lifestyle factors.
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Affiliation(s)
- Shoko Kawanami
- Department of Health Policy and Management, Institute of Industrial Ecological Sciences, University of Occupational and Environmental Health, Japan
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Ifegwu C, Osunjaye K, Fashogbon F, Oke K, Adeniyi A, Anyakora C. Urinary 1-hydroxypyrene as a biomarker to carcinogenic polycyclic aromatic hydrocarbon exposure. BIOMARKERS IN CANCER 2012; 4:7-17. [PMID: 24179391 PMCID: PMC3791913 DOI: 10.4137/bic.s10065] [Citation(s) in RCA: 19] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
Abstract
In order to capture the extent of exposure to polycyclic aromatic hydrocarbons (PAHs), various biomarkers have been employed. The biomarkers employed for PAHs include PAHs genetoxic end points in lymphocytes, urinary metabolites, PAH-DNA adducts, and PAH-Protein adducts. Of these, excretory 1-hydroxypyene, a metabolite of pyrene, has been used extensively as a biological monitoring indicator of exposure to PAHs. This study attempts to assess the level of this biomarker in the body fluid of 68 exposed subjects using high performance liquid chromatography HPLC. The subjects screened included auto mechanics, drivers, and fuel attendants. 1-hydroxypyrene was extracted from the urine of the subjects using solid phase extraction method. The HPLC analysis was done in isocratic mode using water:methanol (12:88 v/v) mobile phase. The stationary phase was XBridge C18 (150 × 4.6 mm) 5 μm column. The wavelength was 250 nm at a flow rate of 1.2 mL/min. The oven temperature was 30 ºC and the injection volume was 20 μL. The run time was 3 minutes. The level of urinary 1-hydroxypyrene detected varied for the different categories of occupation studied. About 27% of sampled fuel attendants and 22% of auto mechanics had detectable 1-hydroxypyrene in their urine samples. There was no detectable 1-hydroxypyene in the urine samples of commercial drivers or in the urine samples of students used as controls. The results of this study showed that fuel attendants and auto mechanics have significant exposures to PAHs. So far, there is no established benchmark for level of PAHs in urine, but our findings indicate the possibility of future cancer cases in this population as a result of their occupational exposure. The study was not able to link the level of 1-hydroxypyene with the smoking habits of the subjects.
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Affiliation(s)
- Clinton Ifegwu
- Department of Pharmaceutcal Chemistry, Faculty of Pharmacy, University of Lagos, Lagos, Nigeria
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13
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Shen X, Cui Y, Pang Y, Qian H. Graphene oxide nanoribbon and polyhedral oligomeric silsesquioxane assembled composite frameworks for pre-concentrating and electrochemical sensing of 1-hydroxypyrene. Electrochim Acta 2012. [DOI: 10.1016/j.electacta.2011.10.037] [Citation(s) in RCA: 39] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
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14
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Mori T, Yoshinaga J, Suzuki K, Mizoi M, Adachi SI, Tao H, Nakazato T, Li YS, Kawai K, Kasai H. Exposure to polycyclic aromatic hydrocarbons, arsenic and environmental tobacco smoke, nutrient intake, and oxidative stress in Japanese preschool children. THE SCIENCE OF THE TOTAL ENVIRONMENT 2011; 409:2881-2887. [PMID: 21570106 DOI: 10.1016/j.scitotenv.2011.04.028] [Citation(s) in RCA: 19] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/18/2011] [Revised: 04/14/2011] [Accepted: 04/14/2011] [Indexed: 05/30/2023]
Abstract
The association between oxidative stress and exposure to environmental chemicals was assessed in a group of Japanese preschool children. The concentrations of 8-hydroxy-2'-deoxyguanosine (8-OHdG), 1-hydroxypyrene (1-OHP), inorganic arsenic (iAs) and monomethylarsonic acid (MMA), and cotinine in spot urine samples, collected from 134 children (3-6 yrs) from a kindergarten in Kanagawa, Japan, were measured as biomarkers of oxidative stress or exposure to environmental chemicals. For 76 subjects of the 134, intakes of anti-oxidant nutrients (vitamins A, C, and E, manganese, copper, zinc and selenium (Se)) were estimated from a food consumption survey carried out 2-4 weeks after urine sampling and by urine analysis (Se). The median (min-max) creatinine-corrected concentrations of urinary biomarkers were 4.45 (1.98-12.3), 0.127 (0.04-2.41), 4.78 (1.18-12.7), and 0.62 (<0.6-19.0) μg/g cre for 8-OHdG, 1-OHP, iAs+MMA, and cotinine, respectively. Multiple regression analysis was carried out using 8-OHdG concentration as a dependent variable and urinary biomarkers of exposure and Se intake, intakes of vitamins and biological attributes of the subjects as independent variables. To explain 8-OHdG concentrations, intake of vitamin A and age were significant variables with negative coefficients, while 1-OHP concentration had a positive coefficient. These results indicated that oxidative stress of children is affected by chemical exposure at environmental levels, by nutrient intake and by physiological factors in a complex manner. On the other hand, unstable statistical results due to sub-grouping of subject, based on the availability of food consumption data, were found: the present results should further be validated by future studies with suitable research design.
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Affiliation(s)
- Takuya Mori
- Department of Environmental Studies, University of Tokyo, Kashiwanoha 5-1-5, Kashiwa, Chiba 277-8563, Japan
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15
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Shin HS, Lim HH. Simultaneous determination of 2-naphthol and 1-hydroxy pyrene in urine by gas chromatography–mass spectrometry. J Chromatogr B Analyt Technol Biomed Life Sci 2011; 879:489-94. [DOI: 10.1016/j.jchromb.2011.01.009] [Citation(s) in RCA: 26] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/09/2010] [Revised: 01/07/2011] [Accepted: 01/07/2011] [Indexed: 11/15/2022]
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16
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Hochalter JB, Zhong Y, Han S, Carmella SG, Hecht SS. Quantitation of a minor enantiomer of phenanthrene tetraol in human urine: correlations with levels of overall phenanthrene tetraol, benzo[a]pyrene tetraol, and 1-hydroxypyrene. Chem Res Toxicol 2011; 24:262-8. [PMID: 21229973 PMCID: PMC3076645 DOI: 10.1021/tx100391z] [Citation(s) in RCA: 31] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Abstract
Polycyclic aromatic hydrocarbons (PAH) are well established carcinogens that are likely to play a role in causing some human cancers. One accepted pathway of PAH metabolic activation is the formation of bay region diol epoxides. Some individuals may be particularly susceptible to PAH carcinogenesis because they metabolically activate PAH more effectively than others. We have used the measurement of urinary phenanthrene tetraols (Phe-tetraols) as a biomarker of PAH exposure plus metabolic activation since bay region diol epoxides are hydrolyzed to tetraols. Because of stereoselectivity in Phe metabolism, Phe-(1R,2S,3R,4S)-tetraol (4) results mainly from the bay region diol epoxide pathway, and Phe-(1S,2R,3S,4R)-tetraol (7) is formed mainly from the reverse diol epoxide pathway, not generally associated with carcinogenicity. The latter pathway accounts for more than 95% of human urinary Phe-tetraol. In most previous studies, Phe-tetraol was quantified without enantiomeric resolution, using a relatively rapid and practical method, applicable to large studies. It was not clear, however, whether measurement of overall unresolved Phe-tetraol would accurately represent the bay region diol epoxide metabolic activation pathway. Therefore, in this study we specifically quantified Phe-(1R,2S,3R,4S)-tetraol (4) by supplementing our usual analysis with chiral HPLC separations and using [(13)C(6)]Phe-(1R,2S,3R,4S)-tetraol as internal standard. We then investigated the relationship of urinary levels of 4 to those of Phe-tetraols (4 + 7), quantified without enantiomeric resolution. We applied these methods to urine samples from cigarette smokers and highly PAH-exposed creosote workers. The results were also compared to levels of benzo[a]pyrene-7,8,9,10-tetraol and 1-hydroxypyrene in the same samples. Levels of 4 were highly correlated with those of 4 + 7 (r > 0.9, P < 0.0001) in both types of urine samples. Strong correlations of 4 and 4 + 7 with benzo[a]pyrene-7,8,9,10-tetraol and 1-hydroxypyrene were also observed. The results of this study demonstrate therefore that practical and convenient measurement of overall Phe-tetraols (4 + 7) in human urine, without enantiomeric resolution, is an excellent indicator of PAH exposure and metabolism by the bay region diol epoxide metabolic activation pathway.
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Affiliation(s)
| | - Yan Zhong
- Masonic Cancer Center, University of Minnesota, Minneapolis, MN 55455
| | - Shaomei Han
- Masonic Cancer Center, University of Minnesota, Minneapolis, MN 55455
| | | | - Stephen S. Hecht
- Masonic Cancer Center, University of Minnesota, Minneapolis, MN 55455
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Niwa M, Suzuki Y, Yoshinaga J, Watanabe C, Mizumoto Y. Prenatal Exposure to Polycyclic Aromatic Hydrocarbons and Birth Outcomes. Polycycl Aromat Compd 2011. [DOI: 10.1080/10406638.2010.543448] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/18/2022]
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18
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Suzuki Y, Niwa M, Yoshinaga J, Mizumoto Y, Serizawa S, Shiraishi H. Prenatal exposure to phthalate esters and PAHs and birth outcomes. ENVIRONMENT INTERNATIONAL 2010; 36:699-704. [PMID: 20605637 DOI: 10.1016/j.envint.2010.05.003] [Citation(s) in RCA: 124] [Impact Index Per Article: 8.9] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/12/2010] [Revised: 05/08/2010] [Accepted: 05/09/2010] [Indexed: 05/17/2023]
Abstract
The purpose of this study was to investigate the relationship between the levels of prenatal exposure to phthalate ester and PAHs and birth outcomes among 149 Japanese pregnant women. Urinary concentrations of 9 phthalate ester metabolites, mono methyl phthalate (MMP), mono ethyl phthalate (MEP), mono-n-butyl phthalate (MnBP), mono benzyl phthalate (MBzP), mono-2-ethylhexyl phthalate (MEHP), mono-2-ethyl-5-hydroxyhexyl phthalate (MEHHP), mono-2-ethyl-5-oxohexyl phthalate (MEOHP), mono-iso-nonyl phthalate (MINP) and mono-n-octyl phthalate (MnOP) and PAHs metabolite (1-hydroxypyrene, 1-OHP) were analyzed in spot urine samples collected from pregnant women. Correlation analysis and multiple regression analysis were conducted between the concentrations of maternal urinary metabolites and birth outcomes such as birth weight, birth length, head circumference and gestational age. Creatinine-corrected concentration (geometric mean; microg/g cre) was 9.14 (MMP), 9.76 (MEP), 51.6 (MnBP), 5.62 (MBzP), 5.45 (MEHP), 10.6 (MEHHP), 11.3 (MEOHP), 0.031 (MINP), 0.025 (MnOP) and 0.121 (1-OHP). These concentrations are comparable with literature value. The relationships between prenatal exposure to phthalate esters and birth outcomes were not significant. Statistically significant negative correlation was observed between 1-OHP and birth weight, birth length and head circumstances although the correlation was insignificant when only non-smokers were included in multiple regression analysis. In conclusion, we found that prenatal exposure to phthalate esters or PAHs did not affect birth outcomes at the exposure level of the present subjects.
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Affiliation(s)
- Yayoi Suzuki
- Department of Environmental Studies, University of Tokyo, Chiba, Japan.
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SUZUKI K, MIZOI M, ADACHI S, MORI T, YOSHINAGA J, KAWAHARA J. Correlation Analysis of Urinary 1-Hydroxypyrene Levels between Children and Their Mothers with Respect to Dietary Intake. Food Hygiene and Safety Science (Shokuhin Eiseigaku Zasshi) 2010; 51:128-32. [DOI: 10.3358/shokueishi.51.128] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/17/2022]
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20
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Ohno T, Toriba A, Kameda T, Tang N, Hayakawa K. Determination of 1-nitropyrene in low volume ambient air samples by high-performance liquid chromatography with fluorescence detection. J Chromatogr A 2009; 1216:4625-8. [DOI: 10.1016/j.chroma.2009.03.070] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/17/2009] [Revised: 03/19/2009] [Accepted: 03/25/2009] [Indexed: 10/21/2022]
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21
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Zhao X, Wan J, Xu H, Yang X. An improved HPLC method with fluorescence detection for the determination of pyrene in rat plasma and its pharmacokinetics. J Pharm Biomed Anal 2008; 48:1237-42. [PMID: 18930619 DOI: 10.1016/j.jpba.2008.09.003] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/01/2008] [Revised: 08/31/2008] [Accepted: 09/02/2008] [Indexed: 11/30/2022]
Abstract
A high-performance liquid chromatographic method with fluorescence detection (HPLC-FLD) for the determination of pyrene in rat plasma was developed and validated. The method used fluorene as internal standard (IS), following a single-step protein precipitation, the analyte and internal standard were separated on a C18 column with a mobile phase containing methanol-water (90:10, v/v) at a flow rate of 1 ml/min. The analytes were detected by using fluorescence detection at an excitation and emission wavelength of 265 and 394 nm, respectively. Two calibration curves were constructed in the range of 2-100 ng/ml and 0.1-5 microg/ml for pyrene with a lower limit of quantitation (LLOQ) of 2 ng/ml. Both intra-day and inter-day precision were less than 6% except at LLOQ, for which the precision was 10.6 and 9.8, respectively. Accuracy ranged from 98.3 to 103.6%, except at LLOQ, for which the accuracy was about 85%. The recovery ranged from 84.7 to 95.0% at the low, medium and high concentrations. The present HPLC-FLD method was rapid, sensitive, and reliable. The method described herein had been successfully applied for the pharmacokinetic studies in female Wistar rats after administration of 10mg equivalent pyrene/kg dose of solution of pyrene and 1mg equivalent pyrene/kg dose of pyrene-loaded nanoparticle.
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Affiliation(s)
- Xiaozhi Zhao
- College of Life Science and Technology, Huazhong University of Science and Technology, Wuhan 430074, PR China
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22
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Isin EM, Sohl CD, Eoff RL, Guengerich FP. Cooperativity of cytochrome P450 1A2: interactions of 1,4-phenylene diisocyanide and 1-isopropoxy-4-nitrobenzene. Arch Biochem Biophys 2008; 473:69-75. [PMID: 18328798 PMCID: PMC4662254 DOI: 10.1016/j.abb.2008.02.033] [Citation(s) in RCA: 14] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/30/2008] [Revised: 02/19/2008] [Accepted: 02/22/2008] [Indexed: 11/26/2022]
Abstract
Homotropic cooperativity of 1-alkoxy-4-nitrobenzene substrates and also their heterotropic cooperative binding interactions with the iron ligand 1,4-phenylene diisocyanide (Ph(NC)2) had been demonstrated previously with rabbit cytochrome P450 (P450) 1A2 [G.P. Miller, F.P. Guengerich, Biochemistry 40 (2001) 7262-7272]. Multiphasic kinetics were observed for the binding of Ph(NC)2 to both ferric and ferrous P450 1A2, including relatively slow steps. Ph(NC)2 induced an apparently rapid change in the circular dichroism spectrum, consistent with a structural change, but had no effect on tryptophan fluorescence. Ph(NC)2 binds the P450 iron in both the ferric and ferrous forms; ferric P450 1A2 was reduced rapidly in the absence of added ligands, and the rate was attenuated when Ph(NC)2 was bound. No oxidation products of Ph(NC)2 were detected. Docking studies with a rabbit P450 1A2 homology model based on the published structure of a human P450 1A2.alpha-naphthoflavone (alphaNF) complex indicated adequate room for a complex with either two 1-isopropoxy-4-nitrobenzene molecules or a combination of one 1-isopropoxy-4-nitrobenzene and one Ph(NC)2; in the case of alphaNF no space for an extra ligand was available. The patterns of homotropic cooperativity seen with 1-alkoxy-4-nitrobenzenes (biphasic plots of v vs. S) differ from those seen with polycyclic hydrocarbons (positive cooperativity), suggesting that only with the latter does the ligand interaction produce improved catalysis. Consistent with this view, Ph(NC)2 inhibited the oxidation of 1-isopropoxy-4-nitrobenzene and other substrates.
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Affiliation(s)
- Emre M Isin
- Department of Biochemistry and Center in Molecular Toxicology, Vanderbilt University School of Medicine, 638 Robinson Research Building, 2200 Pierce Avenue, Nashville, TN 37232-0146, USA
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Kakimoto K, Toriba A, Ohno T, Ueno M, Kameda T, Tang N, Hayakawa K. Direct measurement of the glucuronide conjugate of 1-hydroxypyrene in human urine by using liquid chromatography with tandem mass spectrometry. J Chromatogr B Analyt Technol Biomed Life Sci 2008; 867:259-63. [DOI: 10.1016/j.jchromb.2008.04.015] [Citation(s) in RCA: 26] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/16/2008] [Revised: 03/25/2008] [Accepted: 04/12/2008] [Indexed: 10/22/2022]
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24
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Sohl CD, Isin EM, Eoff RL, Marsch GA, Stec DF, Guengerich FP. Cooperativity in oxidation reactions catalyzed by cytochrome P450 1A2: highly cooperative pyrene hydroxylation and multiphasic kinetics of ligand binding. J Biol Chem 2008; 283:7293-308. [PMID: 18187423 DOI: 10.1074/jbc.m709783200] [Citation(s) in RCA: 52] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022] Open
Abstract
Rabbit liver cytochrome P450 (P450) 1A2 was found to catalyze the 5,6-epoxidation of alpha-naphthoflavone (alphaNF), 1-hydroxylation of pyrene, and the subsequent 6-, 8-, and other hydroxylations of 1-hydroxy (OH) pyrene. Plots of steady-state rates of product formation versus substrate concentration were hyperbolic for alphaNF epoxidation but highly cooperative (Hill n coefficients of 2-4) for pyrene and 1-OH pyrene hydroxylation. When any of the three substrates (alphaNF, pyrene, 1-OH pyrene) were mixed with ferric P450 1A2 using stopped-flow methods, the changes in the heme Soret spectra were relatively slow and multiphasic. Changes in the fluorescence of all of the substrates were much faster, consistent with rapid initial binding to P450 1A2 in a manner that does not change the heme spectrum. For binding of pyrene to ferrous P450 1A2, the course of the spectra revealed sequential changes in opposite directions, consistent with P450 1A2 being involved in a series of transitions to explain the kinetic multiphasicity as opposed to multiple, slowly interconverting populations of enzyme undergoing the same event at different rates. Models of rabbit P450 1A2 based on a published crystal structure of a human P450 1A2-alphaNF complex show active site space for only one alphaNF or for two pyrenes. The spectral changes observed for binding and hydroxylation of pyrene and 1-OH pyrene could be fit to a kinetic model in which hydroxylation occurs only when two substrates are bound. Elements of this mechanism may be relevant to other cases of P450 cooperativity.
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Affiliation(s)
- Christal D Sohl
- Department of Biochemistry and Center in Molecular Toxicology, Vanderbilt University School of Medicine, Nashville, Tennessee 37232-0146, USA
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25
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Toriba A, Kitaoka H, Dills RL, Mizukami S, Tanabe K, Takeuchi N, Ueno M, Kameda T, Tang N, Hayakawa K, Simpson CD. Identification and Quantification of 1-Nitropyrene Metabolites in Human Urine as a Proposed Biomarker for Exposure to Diesel Exhaust. Chem Res Toxicol 2007; 20:999-1007. [PMID: 17580912 DOI: 10.1021/tx700015q] [Citation(s) in RCA: 45] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Abstract
1-nitropyrene (1-NP) is one of the most abundant nitrated polycyclic aromatic hydrocarbons (NPAHs) in diesel exhaust particulate matter (DEP) and is a main contributor of direct-acting mutagenicity in DEP. Therefore, the metabolites of 1-NP are expected to be a biomarker for assessment of exposure to DEP. In this study, a highly specific and sensitive analytical method using liquid chromatography with tandem mass spectrometry (LC-MS/MS) was developed to determine urinary 1-NP metabolites. After enzymatic hydrolysis of the conjugated metabolites, the analytes were selectively extracted from the urine matrix with blue rayon. The eluate from the rayon was further purified on an acidic alumina cartridge. Hydroxy-N-acetyl- 1-aminopyrenes (6- and 8-OHNAAP) and hydroxy-1-nitropyrenes (3-, 6-, and 8-OHNP) in human urine were identified by their retention times and MS/MS spectra and quantified by using deuterated internal standards. 1-NP metabolites were quantified in urine from all healthy, nonoccupationally exposed subjects. 6-OHNAAP, 8-OHNAAP, 6-OHNP, and 8-OHNP (means of 117, 109, 203, and 137 pmol/mol creatinine, respectively) were the most abundant isomers in human urine. This report is the first to demonstrate the presence of OHNAAPs and OHNPs in human urine, in agreement with previous in vivo and in vitro studies that predicted that these metabolites should be excreted into human urine. This method for determining urinary 1-NP metabolites should be useful for the surveillance of exposure to NPAHs and DEP and will facilitate the study of cancer risk associated with these exposures.
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Affiliation(s)
- Akira Toriba
- Graduate School of Natural Science and Technology, Kanazawa University, Kakuma-machi, Kanazawa 920-1192, Japan.
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26
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Suzuki K, Yoshinaga J. Inhalation and dietary exposure to polycyclic aromatic hydrocarbons and urinary 1-hydroxypyrene in non-smoking university students. Int Arch Occup Environ Health 2007; 81:115-21. [PMID: 17394008 DOI: 10.1007/s00420-007-0188-x] [Citation(s) in RCA: 41] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/02/2006] [Accepted: 03/01/2007] [Indexed: 10/23/2022]
Abstract
OBJECTIVE To examine which exposure pathway, dietary or inhalation, contribute more to the exposure to, and/or internal dose of, polycyclic aromatic hydrocarbons (PAHs) of non-smoking Japanese. METHODS Duplicated diet, personal air samples and 24-h urine were collected from 14 non-smoking male university students without occupational exposure and the concentrations of PAHs in diet and air and that of 1-hydroxypyrene (1-OHP) in urine were measured with HPLC-fluorescence detector. RESULTS Daily dietary exposure contributed more than 90% of the total (diet + inhalation) daily exposure level for pyrene (diet/inhalation: 757/1.2 ng/day), benzo[k]fluoranthene (25/1.7 ng/day) and benzo[a]pyrene (91/2.1 ng/day). Urinary excretion of 1-OHP (median: 37 ng/day) was statistically significantly correlated only with dietary PAHs exposure level but not with inhalation. CONCLUSION Countermeasures to lower PAHs levels in atmosphere has been successful in Japan and more attention should be directed to dietary exposure to PAHs for reducing cancer risk in general population.
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Affiliation(s)
- Kaori Suzuki
- Department of Environmental Studies, The University of Tokyo, Kashiwanoha 5-1-5, Kashiwa, Chiba 277-8563, Japan
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27
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Toriba A, Hayakawa K. Biomarkers of Exposure to Polycyclic Aromatic Hydrocarbons and Related Compounds. ACTA ACUST UNITED AC 2007. [DOI: 10.1248/jhs.53.631] [Citation(s) in RCA: 14] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
Affiliation(s)
- Akira Toriba
- Graduate School of Natural Science and Technology, Kanazawa University
| | - Kazuichi Hayakawa
- Graduate School of Natural Science and Technology, Kanazawa University
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28
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Chetiyanukornkul T, Toriba A, Kameda T, Tang N, Hayakawa K. Simultaneous determination of urinary hydroxylated metabolites of naphthalene, fluorene, phenanthrene, fluoranthene and pyrene as multiple biomarkers of exposure to polycyclic aromatic hydrocarbons. Anal Bioanal Chem 2006; 386:712-8. [PMID: 16924381 DOI: 10.1007/s00216-006-0628-6] [Citation(s) in RCA: 91] [Impact Index Per Article: 5.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/21/2006] [Revised: 06/11/2006] [Accepted: 06/16/2006] [Indexed: 10/24/2022]
Abstract
A method is presented for determining monohydroxy polycyclic aromatic hydrocarbons (OHPAHs) having 2-, 3- and 4-rings in human urine by using high-performance liquid chromatography with fluorescence detection. A urine sample containing conjugates of OHPAHs was hydrolysed in the presence of beta-glucuronidase/aryl sulfatase and the solution was cleaned up with a solid-phase extraction (C(18) and silica). Eight OHPAHs, namely 1- and 2-hydroxynaphthalenes, 2-hydroxyfluorene, 2-, 3- and 4-hydroxyphenanthrenes, 3-hydroxyfluoranthene and 1-hydroxypyrene, were separated and 1- and 9-hydroxyphenanthrenes co-eluted on an alkylamide-type reversed-phase column with fluorimetric detection. The urinary concentrations of OHPAHs were quantified by using deuterated 1-hydoxypyrene as an internal standard. The method showed good repeatability for inter- and intra-day precisions as well as good linearity of calibration curves (r (2) ranged from 0.996 to 0.999). The limits of detection (S/N=3) were in the range from 2.3 fmol to 2.2 pmol per injection. This method was successfully applied to urine samples from non-smoking taxi drivers, traffic policemen and rural villagers of Chiang Mai, Thailand. The results showed higher urinary concentrations of OHPAHs in rural villagers, consistent with higher respiratory exposure to PAHs.
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Affiliation(s)
- Thaneeya Chetiyanukornkul
- Environmental Science Program, Faculty of Science, Chiang Mai University, Chiang Mai, 50200, Thailand
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Kamiya M, Toriba A, Onoda Y, Kizu R, Hayakawa K. Evaluation of estrogenic activities of hydroxylated polycyclic aromatic hydrocarbons in cigarette smoke condensate. Food Chem Toxicol 2005; 43:1017-27. [PMID: 15833377 DOI: 10.1016/j.fct.2005.02.004] [Citation(s) in RCA: 46] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/15/2004] [Revised: 01/25/2005] [Accepted: 02/08/2005] [Indexed: 10/25/2022]
Abstract
Estrogenic activities of cigarette smoke condensates obtained from the extraction of particulate matters from mainstream and sidestream cigarette smoke with benzene/ethanol were evaluated by using a yeast two-hybrid assay system expressing human estrogen receptor alpha (hERalpha). To identify the constituents of the cigarette smoke condensate which are responsible for the estrogenic activity, the condensate was fractionated into eleven fractions by liquid-liquid extractions. Among these fractions, the neutral fractions of mainstream and sidestream smoke showed the strongest estrogen receptor-mediated activity by the yeast two-hybrid assay. Then the neutral fractions were fractionated by medium-pressure liquid chromatography with silica gel column. In the fractions that showed strong estrogenic activity, 2-hydroxyfluorene (2-OHFle), 2- and 3-hydroxyphenanthrene (2- and 3-OHPhe), 1-hydroxypyrene (1-OHPyr) and n-propyl-p-hydroxybenzoate (n-PHB) were identified by LC- and GC-MS and HPLC with fluorescence detection. 2-OHFle, 2-OHPhe and n-PHB exhibited estrogenic activity, whereas weak activity was observed with 3-OHPhe and 1-OHPyr. Several other hydroxylated polycyclic aromatic hydrocarbons having no activity were also identified. This is a first study to identify estrogenic hydroxylated PAHs in cigarette smoke condensate. The present findings points out the necessity for detailed investigation of exposure to aerosols containing apparently estrogenic compounds.
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Affiliation(s)
- Makiko Kamiya
- Graduate School of Natural Science and Technology, Kanazawa University, Kakuma-machi, Kanazawa 920-1192, Japan
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30
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Li Y, Li AC, Shi H, Zhou S, Shou WZ, Jiang X, Naidong W, Lauterbach JH. The use of chemical derivatization to enhance liquid chromatography/tandem mass spectrometric determination of 1-hydroxypyrene, a biomarker for polycyclic aromatic hydrocarbons in human urine. RAPID COMMUNICATIONS IN MASS SPECTROMETRY : RCM 2005; 19:3331-8. [PMID: 16235235 DOI: 10.1002/rcm.2196] [Citation(s) in RCA: 28] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/04/2023]
Abstract
This article presents an analytical approach that used chemical derivatization to enhance mass spectrometric (MS) response in electrospray ionization (ESI) mode of 1-hydroxypyrene (1-OHP), a commonly used biomarker to monitor human exposure to polycyclic aromatic hydrocarbons (PAHs). The enhancement successfully enabled the desired detection of 50 pg/mL in human urine. The introduction of an MS-friendly dansyl group to 1-OHP enhanced both ionization efficiency in the ESI source and collision-activated dissociation (CAD) in the collision cell. The response increase was estimated to be at least 200-fold, and enabled the reduction of sample size to only 100 microL. The selective MS detection also facilitated a fast (run time 3 min) liquid chromatography (LC) method which successfully resolved the analyte and interferences. The sample processing procedure included enzymatic hydrolysis of glucuronide and sulfate conjugates, liquid-liquid extraction, derivatization with dansyl chloride and a final liquid-liquid extraction to generate clean extracts for LC/MS/MS analysis. This approach has been validated as sensitive, linear (50-1000 pg/mL), accurate and precise for the quantitation of 1-OHP in human urine. This is the first report of using chemical derivatization to enhance MS/MS detection with fast chromatography in the determination of 1-OHP in human urine.
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Affiliation(s)
- Yinghe Li
- Covance Laboratories Inc., 3301 Kinsman Boulevard, Madison, Wisconsin, USA
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Adsorptive stripping voltammetry of 1-hydroxypyrene at the thin-film mercury electrode—basis for quantitative determination of PAH metabolite in biological materials. Anal Chim Acta 2004. [DOI: 10.1016/j.aca.2004.05.079] [Citation(s) in RCA: 12] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
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32
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Carmella SG, Le KA, Hecht SS. Improved Method for Determination of 1-Hydroxypyrene in Human Urine. Cancer Epidemiol Biomarkers Prev 2004. [DOI: 10.1158/1055-9965.1261.13.7] [Citation(s) in RCA: 10] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022] Open
Abstract
Abstract
We have developed an improved method for the analysis of human urine for 1-hydroxypyrene (1-HOP), an accepted biomarker of polycyclic aromatic hydrocarbon uptake. This method takes advantage of commercially available 96-well format devices, which expedite sample preparation before quantitation by HPLC with fluorescence detection. In addition to improved speed of analysis, which is critical for the application of this assay in molecular epidemiology studies, the method described here uses an internal standard, 1-hydroxybenz[a]anthracene, improved sample preparation methods, and optimized HPLC and fluorescence detection conditions. The resulting method for analysis of 1-HOP is sensitive (detection limit, 0.05 pmol/mL urine), accurate (as determined by known addition of 1-HOP to urine), and precise [relative SD (RSD), 4.13%]. A longitudinal study of 1-HOP levels in the urine of 10 nonsmokers showed considerable day-to-day (mean RSD, 55.1 %) and week-to-week (mean RSD, 38.2 %) intra-individual variation, indicating the necessity for multiple sampling in studies concerned with relatively small differences in polycyclic aromatic hydrocarbon exposure.
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Affiliation(s)
| | - Ky-Anh Le
- The Cancer Center, University of Minnesota, Minneapolis, Minnesota
| | - Stephen S. Hecht
- The Cancer Center, University of Minnesota, Minneapolis, Minnesota
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Kuo CT, Chen HW, Chen JL. Determination of 1-hydroxypyrene in children urine using column-switching liquid chromatography and fluorescence detection. J Chromatogr B Analyt Technol Biomed Life Sci 2004; 805:187-93. [PMID: 15135089 DOI: 10.1016/j.jchromb.2003.12.012] [Citation(s) in RCA: 17] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/17/2003] [Revised: 11/19/2003] [Accepted: 12/16/2003] [Indexed: 10/26/2022]
Abstract
This study developed an acid hydrolysis method instead of using enzyme extraction, equipped with column-switching system for the pretreatment of samples, in the determination of 1-hydroxypyrene in the urine from children and pyrene in airborne particulates. We collected both types of samples from areas near a petrochemical industry and rural areas as reference. Samples were first treated with acid hydrolysis and followed by solvent extraction prior to being injected into the separation system for the determination with high performance liquid chromatography and fluorescence. A column-switching system was on-line with a C18 separation column to remove matrix interference and obtain a stable baseline of the chromatogram. The eluent used to separate the 1-hydroxypyrene was 60% (v/v) aqueous acetonitrile solution. A fluorescence detector was used to monitor 1-hydroxypyrene at lambdaex = 348 nm and lambdaem = 388 nm, and pyrene at lambdaex = 331 nm and lambdaem = 390 nm. Both calibration graphs were linear with very good correlation coefficients (r > 0.999) and the detection limits were ca. 2pg (5ng/l). Results showed that there was a significant association between 1-hydroxypyrene levels in urine specimens and pyrene levels in airborne particulate samples (r = 0.68, P < 0.05). The average levels of pyrene in the particulates (0.18 versus 0.09ng/m3) and of 1-hydroxypyrene in urine specimens (155.9 versus 110.2ng/g creatinine) were higher for the petrochemical area than for the rural area. This method is stable and sensitive for measuring polycyclic aromatic hydrocarbons in environmental samples.
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Affiliation(s)
- Ching-Tang Kuo
- Institute of Environmental Health, China Medical University, Taiwan, ROC.
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Chetiyanukornkul T, Toriba A, Kizu R, Hayakawa K. URINARY 2-HYDROXYFLUORENE AND 1-HYDROXYPYRENE LEVELS IN SMOKERS AND NONSMOKERS IN JAPAN AND THAILAND. Polycycl Aromat Compd 2004. [DOI: 10.1080/10406630490471483] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/26/2022]
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Toriba A, Nakamura H, Chetiyanukornkul T, Kizu R, Makino T, Nakazawa H, Yokoi T, Hayakawa K. Method for determining monohydroxybenzo[a]pyrene isomers using column-switching high-performance liquid chromatography. Anal Biochem 2003; 312:14-22. [PMID: 12479830 DOI: 10.1016/s0003-2697(02)00429-3] [Citation(s) in RCA: 21] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/19/2022]
Abstract
A method for determining monohydroxybenzo[a]pyrene (OHBaP) isomers using column-switching high-performance liquid chromatography with fluorescence detection was developed. Eleven of 12 isomers of OHBaP (all except 6-OHBaP) were separated on an alkylamide-type reversed-phase column and, via column-switching, on a beta-cyclodextrin-bonded silica gel column. The detection limits for the OHBaPs were in the range 0.3-8 pg/injection (S/N=3). By using this method, 1-, 3-, and 9-OHBaPs were identified as major metabolites of benzo[a]pyrene in vitro by human recombinant p450 1A1. The method was used to determine OHBaPs in the urine of a nonsmoker subject. After enzymatic hydrolysis of the conjugated metabolites by beta-glucuronidase/aryl sulfatase, the analytes were selectively adsorbed on blue rayon (a cellulose-supported copper phthalocyanine) from the urine matrix. Methanol as the eluting solvent from the rayon gave the best recoveries of OHBaPs and 1-hydroxypyrene (1-OHP) in the range of 91-103%, which was superior to that of the solid-phase extraction method. 1-OHP, a well-known biomarker of the exposure to polycyclic aromatic hydrocarbons, was simultaneously analyzed. Intra- and interday accuracy values for the determination of 3-OHBaP in 200 ml of urine were 95.5 and 100.9%, and those for 1-OHP were 96.4 and 103.6%, respectively. The intra- and interday precision values were 3.9 and 2.4% for 3-OHBaP and 2.4 and 3.2% for 1-OHP, respectively. In 11 kinds of isomers, only 3-OHBaP was detected in the human urine. Urinary concentration of 3-OHBaP was quantified at 0.5 ng/g creatinine concentration and the 3-OHBaP/1-OHP ratio was approximately 1/130.
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Affiliation(s)
- Akira Toriba
- Graduate School of Natural Science and Technology, Kanazawa University, 13-1, Takara-machi, Kanazawa City, Ishikawa 920-0934, Japan
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