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Kim K. The Role of Endocrine Disruption Chemical-Regulated Aryl Hydrocarbon Receptor Activity in the Pathogenesis of Pancreatic Diseases and Cancer. Int J Mol Sci 2024; 25:3818. [PMID: 38612627 PMCID: PMC11012155 DOI: 10.3390/ijms25073818] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/20/2024] [Revised: 03/26/2024] [Accepted: 03/27/2024] [Indexed: 04/14/2024] Open
Abstract
The aryl hydrocarbon receptor (AHR) serves as a ligand-activated transcription factor crucial for regulating fundamental cellular and molecular processes, such as xenobiotic metabolism, immune responses, and cancer development. Notably, a spectrum of endocrine-disrupting chemicals (EDCs) act as agonists or antagonists of AHR, leading to the dysregulation of pivotal cellular and molecular processes and endocrine system disruption. Accumulating evidence suggests a correlation between EDC exposure and the onset of diverse pancreatic diseases, including diabetes, pancreatitis, and pancreatic cancer. Despite this association, the mechanistic role of AHR as a linchpin molecule in EDC exposure-related pathogenesis of pancreatic diseases and cancer remains unexplored. This review comprehensively examines the involvement of AHR in EDC exposure-mediated regulation of pancreatic pathogenesis, emphasizing AHR as a potential therapeutic target for the pathogenesis of pancreatic diseases and cancer.
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Affiliation(s)
- Kyounghyun Kim
- Department of Pharmacology and Toxicology, College of Medicine, University of Arkansas Medical Sciences, Little Rock, AR 72225, USA
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2
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Nguyen S, Carlson H, Yoder A, Bamlet WR, Oberg AL, Petersen GM, Carmella SG, Hecht SS, Jansen RJ. Polycyclic Aromatic Hydrocarbons and Pancreatic Cancer: An Analysis of the Blood Biomarker, r-1, t-2,3, c-4-Tetrahydroxy-1,2,3,4-tetrahydrophenanthrene and Selected Metabolism Gene SNPs. Nutrients 2024; 16:688. [PMID: 38474816 PMCID: PMC10935191 DOI: 10.3390/nu16050688] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/30/2023] [Revised: 02/05/2024] [Accepted: 02/25/2024] [Indexed: 03/14/2024] Open
Abstract
Exposure to polycyclic aromatic hydrocarbons (PAHs), byproducts of incomplete combustion, and their effects on the development of cancer are still being evaluated. Recent studies have analyzed the relationship between PAHs and tobacco or dietary intake in the form of processed foods and smoked/well-done meats. This study aims to assess the association of a blood biomarker and metabolite of PAHs, r-1,t-2,3,c-4-tetrahydroxy-1,2,3,4-tetrahydrophenanthrene (PheT), dietary intake, selected metabolism SNPs, and pancreatic cancer. Demographics, food-frequency data, SNPs, treatment history, and levels of PheT in plasma were determined from 400 participants (202 cases and 198 controls) and evaluated based on pancreatic adenocarcinoma diagnosis. Demographic and dietary variables were selected based on previously published literature indicating association with pancreatic cancer. A multiple regression model combined the significant demographic and food items with SNPs. Final multivariate logistic regression significant factors (p-value < 0.05) associated with pancreatic cancer included: Type 2 Diabetes [OR = 6.26 (95% CI = 2.83, 14.46)], PheT [1.03 (1.02, 1.05)], very well-done red meat [0.90 (0.83, 0.96)], fruit/vegetable servings [1.35 (1.06, 1.73)], recessive (rs12203582) [4.11 (1.77, 9.91)], recessive (rs56679) [0.2 (0.06, 0.85)], overdominant (rs3784605) [3.14 (1.69, 6.01)], and overdominant (rs721430) [0.39 (0.19, 0.76)]. Of note, by design, the level of smoking did not differ between our cases and controls. This study does not provide strong evidence that PheT is a biomarker of pancreatic cancer susceptibility independent of dietary intake and select metabolism SNPs among a nonsmoking population.
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Affiliation(s)
- Sierra Nguyen
- Department of Public Health, North Dakota State University, Fargo, ND 58105, USA;
| | - Heather Carlson
- Fairbanks School of Public Health, Indiana University-Purdue University Indianapolis, Indianapolis, IN 46202, USA
| | - Andrea Yoder
- Masonic Cancer Center, University of Minnesota, Minneapolis, MN 55455, USA (S.S.H.)
| | - William R. Bamlet
- Department of Quantitative Health Sciences, Mayo Clinic, Rochester, MN 55905, USA
| | - Ann L. Oberg
- Department of Quantitative Health Sciences, Mayo Clinic, Rochester, MN 55905, USA
| | - Gloria M. Petersen
- Department of Quantitative Health Sciences, Mayo Clinic, Rochester, MN 55905, USA
| | - Steven G. Carmella
- Masonic Cancer Center, University of Minnesota, Minneapolis, MN 55455, USA (S.S.H.)
| | - Stephen S. Hecht
- Masonic Cancer Center, University of Minnesota, Minneapolis, MN 55455, USA (S.S.H.)
| | - Rick J. Jansen
- Masonic Cancer Center, University of Minnesota, Minneapolis, MN 55455, USA (S.S.H.)
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3
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Zhang J, Zhang W, Ma C, Cai J. Evaluation of ultrasound-assisted process as an approach for improving the overall quality of unsmoked bacon. ULTRASONICS SONOCHEMISTRY 2023; 98:106490. [PMID: 37343395 PMCID: PMC10314286 DOI: 10.1016/j.ultsonch.2023.106490] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/21/2023] [Revised: 06/04/2023] [Accepted: 06/14/2023] [Indexed: 06/23/2023]
Abstract
Our previous study has found that ultrasonic application on raw meat could improve the flavor of unsmoked bacon. For comprehensively evaluating the impacts of ultrasonic pretreatment (0, 250, 500 or 750 W, 20 kHz) on the overall quality of unsmoked bacon during processing, the following indicators were determined including salt and water content, pH, shear force, color, water distribution, texture and myofibril microstructure. Results manifest that ultrasonic pretreatment could significantly improve the salt and water content, pH and redness of unsmoked bacon. The water retention capacity was obviously enhanced by ultrasonic pretreatment proved by increased immobile water and decreased free water. Meanwhile, the shear force, the hardness and the chewiness were notably ameliorated after ultrasonic pretreatment, suggesting a better tenderness verified by the observation results of transmission electron microscope. However, no significant differences were found on the brightness, yellowness, springiness, cohesiveness and resilience of unsmoked bacon after ultrasonic pretreatment. Consequently, ultrasound could be considered as a potential tool for the overall-quality improvement of unsmoked bacon.
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Affiliation(s)
- Jian Zhang
- Key Laboratory of Meat Processing and Quality Control, MOE, Key Laboratory of Meat Processing, MOA, Jiangsu Synergetic Innovation Center of Meat Processing and Quality Control, College of Food Science and Technology, Nanjing Agricultural University, Nanjing 210095, PR China
| | - Wangang Zhang
- Key Laboratory of Meat Processing and Quality Control, MOE, Key Laboratory of Meat Processing, MOA, Jiangsu Synergetic Innovation Center of Meat Processing and Quality Control, College of Food Science and Technology, Nanjing Agricultural University, Nanjing 210095, PR China.
| | - Chao Ma
- Key Laboratory of Meat Processing and Quality Control, MOE, Key Laboratory of Meat Processing, MOA, Jiangsu Synergetic Innovation Center of Meat Processing and Quality Control, College of Food Science and Technology, Nanjing Agricultural University, Nanjing 210095, PR China
| | - Jiaming Cai
- Key Laboratory of Meat Processing and Quality Control, MOE, Key Laboratory of Meat Processing, MOA, Jiangsu Synergetic Innovation Center of Meat Processing and Quality Control, College of Food Science and Technology, Nanjing Agricultural University, Nanjing 210095, PR China
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4
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Seufferlein T, Mayerle J, Böck S, Brunner T, Ettrich TJ, Grenacher L, Gress TM, Hackert T, Heinemann V, Kestler A, Sinn M, Tannapfel A, Wedding U, Uhl W. S3-Leitlinie zum exokrinen Pankreaskarzinom – Langversion 2.0 – Dezember 2021 – AWMF-Registernummer: 032/010OL. ZEITSCHRIFT FUR GASTROENTEROLOGIE 2022; 60:e812-e909. [PMID: 36368658 DOI: 10.1055/a-1856-7346] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/13/2022]
Affiliation(s)
| | | | - Stefan Böck
- Medizinische Klinik und Poliklinik III, Universitätsklinikum München, Germany
| | - Thomas Brunner
- Universitätsklinik für Strahlentherapie-Radioonkologie, Medizinische Universität Graz, Austria
| | | | | | - Thomas Mathias Gress
- Klinik für Gastroenterologie und Endokrinologie, Universitätsklinikum Gießen und Marburg, Germany
| | - Thilo Hackert
- Klinik für Allgemein-, Viszeral- und Transplantationschirurgie Universitätsklinikum, Heidelberg, Germany
| | - Volker Heinemann
- Medizinische Klinik und Poliklinik III, Klinikum der Universität München-Campus Grosshadern, München, Germany
| | | | - Marianne Sinn
- Universitätsklinikum Hamburg-Eppendorf Medizinische Klinik und Poliklinik II Onkologie Hämatologie, Hamburg, Germany
| | | | | | - Waldemar Uhl
- Allgemein- und Viszeralchirurgie, St Josef-Hospital, Bochum, Germany
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5
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Reng Q, Zhu LL, Feng L, Li YJ, Zhu YX, Wang TT, Jiang F. Dietary meat mutagens intake and cancer risk: A systematic review and meta-analysis. Front Nutr 2022; 9:962688. [PMID: 36211500 PMCID: PMC9537819 DOI: 10.3389/fnut.2022.962688] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/06/2022] [Accepted: 09/01/2022] [Indexed: 11/25/2022] Open
Abstract
Background Clinical and preclinical studies suggested that certain mutagens occurring as a reaction of creatine, amino acids, and sugar during the high temperature of cooking meat are involved in the pathogenesis of human cancer. Here we conducted a systematic review and meta-analysis to examine whether meat mutagens [PhIP, MeIQx, DiMeIQx, total HCA, and B(a)P] present a risk factor for human cancer. Methods We searched the following databases for relevant articles published from inception to 10 Oct 2021 with no language restrictions: Pubmed, Embase, Cochrane Central Register of Controlled Trials (CENTRAL), Baidu Academic, Zhejiang Digital Library. Two independent researchers screened all titles and obtained eligible texts for further screening. Independent data extraction was conducted, and meta-analysis was carried out using random-effects models to calculate the risk ratio of the meat mutagens exposure. Results A total of 1,786,410 participants and 70,653 cancer cases were identified. Among these, there were 12 different types of cancer at various sites, i.e., breast, bladder, colorectal, colon, rectum, prostate, lung, Non-Hodgkin lymphoma, kidney, gastric, esophagus, pancreatic, hepatocellular carcinoma. Cancer risk was significantly increased by intake of PhIP (OR = 1.13;95% CI 1.07–1.21; p < 0.001), MeIQx (OR = 1.14; 95% CI: 1.07–1.21; p < 0.001), DiMeIQx (OR = 1.07; 95% CI: 1.01–1.13; p = 0.013), total HCA (OR = 1.20; 95% CI: 1.03–1.38; p = 0.016), and cancer risk was not significantly increased by intake of B(a)P (OR = 1.04; 95% CI: 0.98–1.10; p = 0.206). Conclusion Meat mutagens of PhIP, MeIQx, DiMeIQx, and total HCA have a positive association with the risk of cancer. Systematic review registration [www.crd.york.ac.uk/prospero], identifier [CRD42022148856].
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Meng Z, Fan S, Yuan X, Li Q, Huang Y, Niu L, Shi G, Zhang Y. Rapid Screening of 22 Polycyclic Aromatic Hydrocarbons Residues in Vegetable Oils by Gas Chromatography-Electrostatic Field Orbitrap High Resolution Mass Spectrometry. Front Nutr 2022; 9:949025. [PMID: 35903452 PMCID: PMC9320171 DOI: 10.3389/fnut.2022.949025] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/20/2022] [Accepted: 06/10/2022] [Indexed: 12/05/2022] Open
Abstract
A method for simultaneous determination of 22 polycyclic aromatic hydrocarbons (PAHs) residues in vegetable oils by gas chromatography-electrostatic field orbitrap high resolution mass spectrometry (Orbitrap GC-MS) was established. The samples were vortexed with acetonitrile, centrifuged at 8,000 r/min for 5 min, and frozen at −70°C for 10 min. The extracts of upper layer were poured out, dried with nitrogen at 40°C, redissolved in dichloromethane, and measured by Orbitrap GC-MS. The matrix interference in vegetable oil could be effectively removed by determining the accurate mass number of target compounds under the full scan mode. Six typical vegetable oil samples (soybean oil, sesame oil, peanut oil, olive oil, rapeseed oil, sunflower oil) were used for method validation. The calibration curve displayed good linearity in the range of 1–100 ng/mL, with correlation coefficients > 0.9950. The limits of detection (LODs) were in the range of 0.10–0.60 μg/kg, and the limits of quantification (LOQs) were in the range of 0.35–2.00 μg/kg. The average spiked recoveries of 22 PAHs in 6 matrices at 5, 50 and 100 μg/kg levels were 76.4–115.4%, and the average relative standard deviations (RSDs) were 1.8–10.8%. The results showed that 22 PAHs were detected in 6 types of 90 edible vegetable oil samples in the Chinese market by this method. Meanwhile, the abundance of light PAHs (LPAHs) was higher than that of heavy PAHs (HPAHs), and its relative contribution of LPAHs to the total PAHs was higher. All levels of BaP conformed to the Chinese requirement of upper limit, 10 μg/kg. However, 13.3 and 11.1% of the samples exceeded the maximum limits of BaP and PAH4 set by EU, 2 and 10 μg/kg, respectively. The total concentrations of 22 PAHs (defined as PAH22) varies greatly among different oil species, and the average PAH22 contents were listed in descending order as follows: peanut oil > sesame oil > olive oil > rapeseed oil > soybean oil > sunflower seed oil. The established method effectively avoided interference from large amounts of lipids and pigments. Therefore, the method is simple, sensitive and suitable for rapid screening and confirmation of PAHs in vegetable oil.
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Affiliation(s)
- Zhijuan Meng
- Hebei Food Safety Key Laboratory, Key Laboratory of Special Food Supervision Technology for State Market Regulation, Hebei Engineering Research Center for Special Food Safety and Health, Hebei Food Inspection and Research Institute, Shijiazhuang, China
| | - Sufang Fan
- Hebei Food Safety Key Laboratory, Key Laboratory of Special Food Supervision Technology for State Market Regulation, Hebei Engineering Research Center for Special Food Safety and Health, Hebei Food Inspection and Research Institute, Shijiazhuang, China
| | - Xiaoxuan Yuan
- Hebei Food Safety Key Laboratory, Key Laboratory of Special Food Supervision Technology for State Market Regulation, Hebei Engineering Research Center for Special Food Safety and Health, Hebei Food Inspection and Research Institute, Shijiazhuang, China
| | - Qiang Li
- Hebei Food Safety Key Laboratory, Key Laboratory of Special Food Supervision Technology for State Market Regulation, Hebei Engineering Research Center for Special Food Safety and Health, Hebei Food Inspection and Research Institute, Shijiazhuang, China
| | - Yunxia Huang
- Hebei Food Safety Key Laboratory, Key Laboratory of Special Food Supervision Technology for State Market Regulation, Hebei Engineering Research Center for Special Food Safety and Health, Hebei Food Inspection and Research Institute, Shijiazhuang, China
| | - Lisha Niu
- Hebei Food Safety Key Laboratory, Key Laboratory of Special Food Supervision Technology for State Market Regulation, Hebei Engineering Research Center for Special Food Safety and Health, Hebei Food Inspection and Research Institute, Shijiazhuang, China
| | - Guohua Shi
- Hebei Food Safety Key Laboratory, Key Laboratory of Special Food Supervision Technology for State Market Regulation, Hebei Engineering Research Center for Special Food Safety and Health, Hebei Food Inspection and Research Institute, Shijiazhuang, China
- *Correspondence: Guohua Shi
| | - Yan Zhang
- Hebei Food Safety Key Laboratory, Key Laboratory of Special Food Supervision Technology for State Market Regulation, Hebei Engineering Research Center for Special Food Safety and Health, Hebei Food Inspection and Research Institute, Shijiazhuang, China
- Hebei Key Laboratory of Forensic Medicine, College of Forensic Medicine, Hebei Medical University, Shijiazhuang, China
- Yan Zhang
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7
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Seufferlein T, Mayerle J, Böck S, Brunner T, Ettrich TJ, Grenacher L, Gress TM, Hackert T, Heinemann V, Kestler A, Sinn M, Tannapfel A, Wedding U, Uhl W. S3-Leitlinie zum exokrinen Pankreaskarzinom – Kurzversion 2.0 – Dezember 2021, AWMF-Registernummer: 032/010OL. ZEITSCHRIFT FUR GASTROENTEROLOGIE 2022; 60:991-1037. [PMID: 35671996 DOI: 10.1055/a-1771-6811] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/13/2023]
Affiliation(s)
| | | | - Stefan Böck
- Medizinische Klinik und Poliklinik III, Universitätsklinikum München, Germany
| | - Thomas Brunner
- Universitätsklinik für Strahlentherapie-Radioonkologie, Medizinische Universität Graz, Austria
| | | | | | - Thomas Mathias Gress
- Klinik für Gastroenterologie und Endokrinologie, Universitätsklinikum Gießen und Marburg, Germany
| | - Thilo Hackert
- Klinik für Allgemein-, Viszeral- und Transplantationschirurgie Universitätsklinikum, Heidelberg, Germany
| | - Volker Heinemann
- Medizinische Klinik und Poliklinik III, Klinikum der Universität München-Campus Grosshadern, München, Germany
| | | | - Marianne Sinn
- Universitätsklinikum Hamburg-Eppendorf Medizinische Klinik und Poliklinik II Onkologie Hämatologie, Hamburg, Germany
| | | | | | - Waldemar Uhl
- Allgemein- und Viszeralchirurgie, St Josef-Hospital, Bochum, Germany
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8
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Heterocyclic amines in cooked meat products, shortcomings during evaluation, factors influencing formation, risk assessment and mitigation strategies. Meat Sci 2021; 184:108693. [PMID: 34775303 DOI: 10.1016/j.meatsci.2021.108693] [Citation(s) in RCA: 20] [Impact Index Per Article: 6.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/21/2020] [Revised: 09/29/2021] [Accepted: 10/04/2021] [Indexed: 01/02/2023]
Abstract
At this point in time, the evidence of a link between well-done meat intake and the incidence of cancer is stronger than it was 20 years ago. Several cohort and case-control studies have confirmed this evidence, and have shown a higher odd ratio and increased exposure to heterocyclic amines (HCAs) among those who frequently consume red meat. However, in most epidemiological studies, dietary assessment, combined with analytical data, is used to estimate the intake of HCAs, which has many inconsistencies. In addition, there is a lack of findings indicating a substantial correlation between various factors, like types of raw meat, types of meat products, and cooking methods that directly or indirectly influence the occurrence of cancer. Although numerous mitigation strategies have been developed to reduce HCAs levels in meat, there is still a high prevalence of carcinogenesis caused by HCAs in humans. The aim of this review is to summarise conflicting reports, address shortcomings and identify emerging trends of cutting-edge research related to HCAs.
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Ruan F, Wu L, Yin H, Fang L, Tang C, Huang S, Fang L, Zuo Z, He C, Huang J. Long-term exposure to environmental level of phenanthrene causes adaptive immune response and fibrosis in mouse kidneys. ENVIRONMENTAL POLLUTION (BARKING, ESSEX : 1987) 2021; 283:117028. [PMID: 33892371 DOI: 10.1016/j.envpol.2021.117028] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/14/2020] [Revised: 03/10/2021] [Accepted: 03/24/2021] [Indexed: 06/12/2023]
Abstract
As ubiquitous, persistent organic pollutants, polycyclic aromatic hydrocarbons (PAHs) have adverse impacts on human health. Phenanthrene (Phe) is one of the most abundant PAHs in the environment. However, the long-term effects of exposure to environmental level of Phe on the kidneys and the potential mechanisms are unclear. T helper (Th) cells, a subtype of CD4+ T cells that play a central role in the renal immune microenvironment. In this study, male mice were chronically exposed to 5, 50, and 500 ng/kg bw Phe every other day for total 210 days. Those results indicated that environmental Phe exposure caused kidney hypertrophy, injury and fibrosis in the mice. Chronic, long-term environmental level of Phe exposure did not significantly alter the innate immune response but induced adaptive immune response changes (Th1/Th2 related cytokines release), causing a type 1 immune response in the 5 ng/kg bw Phe group and a type 2 immune response in the high dose groups (50 and 500 ng/kg bw). This study provides novel insights into the roles of adaptive immune response in long-term PAH exposure-induced chronic kidney injury and fibrosis, which is beneficial for further understanding the potential health hazards of PAHs and providing new avenues for immune intervention strategies to alleviate PAHs toxicity.
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Affiliation(s)
- Fengkai Ruan
- State Key Laboratory of Cellular Stress Biology, School of Life Sciences, The 5th Hospital of Xiamen, Xiang'an Branch of the First Affiliated Hospital, Xiamen University, Xiamen, Fujian, 361102, China
| | - Lifang Wu
- Department of Biochemistry and Molecular Cell Biology, Shanghai Key Laboratory for Tumor Microenvironment and Inflammation, Key Laboratory of Cell Differentiation and Apoptosis of National Ministry of Education, Shanghai Jiao Tong University School of Medicine, 280 S. Chongqing Road, Shanghai, 200025, China
| | - Hanying Yin
- State Key Laboratory of Cellular Stress Biology, School of Life Sciences, The 5th Hospital of Xiamen, Xiang'an Branch of the First Affiliated Hospital, Xiamen University, Xiamen, Fujian, 361102, China
| | - Lu Fang
- State Key Laboratory of Cellular Stress Biology, School of Life Sciences, The 5th Hospital of Xiamen, Xiang'an Branch of the First Affiliated Hospital, Xiamen University, Xiamen, Fujian, 361102, China
| | - Chen Tang
- State Key Laboratory of Cellular Stress Biology, School of Life Sciences, The 5th Hospital of Xiamen, Xiang'an Branch of the First Affiliated Hospital, Xiamen University, Xiamen, Fujian, 361102, China
| | - Siyang Huang
- State Key Laboratory of Cellular Stress Biology, School of Life Sciences, The 5th Hospital of Xiamen, Xiang'an Branch of the First Affiliated Hospital, Xiamen University, Xiamen, Fujian, 361102, China
| | - Longxiang Fang
- Freshwater Fisheries Research Center, Chinese Academy of Fishery Sciences, Wuxi, 214081, China
| | - Zhenghong Zuo
- State Key Laboratory of Cellular Stress Biology, School of Life Sciences, The 5th Hospital of Xiamen, Xiang'an Branch of the First Affiliated Hospital, Xiamen University, Xiamen, Fujian, 361102, China
| | - Chengyong He
- State Key Laboratory of Cellular Stress Biology, School of Life Sciences, The 5th Hospital of Xiamen, Xiang'an Branch of the First Affiliated Hospital, Xiamen University, Xiamen, Fujian, 361102, China
| | - Jiyi Huang
- State Key Laboratory of Cellular Stress Biology, School of Life Sciences, The 5th Hospital of Xiamen, Xiang'an Branch of the First Affiliated Hospital, Xiamen University, Xiamen, Fujian, 361102, China.
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Huang BZ, Wang S, Bogumil D, Wilkens LR, Wu L, Blot WJ, Zheng W, Shu XO, Pandol SJ, Le Marchand L, Setiawan VW. Red meat consumption, cooking mutagens, NAT1/2 genotypes and pancreatic cancer risk in two ethnically diverse prospective cohorts. Int J Cancer 2021; 149:10.1002/ijc.33598. [PMID: 33844845 PMCID: PMC8594451 DOI: 10.1002/ijc.33598] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/27/2020] [Revised: 03/17/2021] [Accepted: 03/19/2021] [Indexed: 12/17/2022]
Abstract
There is limited evidence on the association between red meat consumption and pancreatic cancer among ethnic minorities. We assessed this relationship in two large prospective cohorts: the Multiethnic Cohort Study (MEC) and the Southern Community Cohort Study (SCCS). Demographic, dietary and other risk factor data were collected at cohort entry. Red meat intake was assessed using cohort-specific validated food frequency questionnaires. Incident pancreatic cancer cases were identified via linkages to state cancer registries. Cox regression was used to calculate relative risks (RRs) and 95% confidence intervals (CIs) for the association of red meat intake with pancreatic cancer risk in each cohort. We performed additional analyses to evaluate cooking methods, mutagens and effect modification by NAT1/2 genotypes. From a total of 184 542 (MEC) and 66 793 (SCCS) at-risk participants, we identified 1618 (MEC) and 266 (SCCS) incident pancreatic cancer cases. Red meat consumption was associated with pancreatic cancer risk in the MEC (RRQ4vsQ1 1.18, 95% CI 1.02-1.37) and with borderline statistical significance in the SCCS (RRQ4vsQ1 1.31, 95% CI 0.93-1.86). This association was significant in African Americans (RRQ4vsQ1 1.49, 95% CI 1.06-2.11) and Latinos (RRQ4vsQ1 1.44, 95% CI 1.02-2.04) in the MEC, and among African Americans (RRQ4vsQ1 1.55, 95% CI 1.03-2.33) in the SCCS. NAT2 genotypes appeared to modify the relationship between red meat and pancreatic cancer in the MEC (pinteraction = 0.03). Our findings suggest that the associations for red meat may be strongest in African Americans and Latinos. The mechanisms underlying the increased risk for these populations should be further investigated.
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Affiliation(s)
- Brian Z. Huang
- Department of Preventive Medicine, Keck School of Medicine, University of Southern California, Los Angeles, CA
- Department of Research & Evaluation, Kaiser Permanente Southern California, Pasadena, CA
| | - Songren Wang
- Department of Preventive Medicine, Keck School of Medicine, University of Southern California, Los Angeles, CA
| | - David Bogumil
- Department of Preventive Medicine, Keck School of Medicine, University of Southern California, Los Angeles, CA
| | - Lynne R. Wilkens
- Epidemiology Program, University of Hawaii Cancer Center, Honolulu, HI
| | - Lang Wu
- Epidemiology Program, University of Hawaii Cancer Center, Honolulu, HI
| | - William J. Blot
- Division of Epidemiology, Department of Medicine, Vanderbilt Epidemiology Center, Vanderbilt-Ingram Cancer Center, Vanderbilt University Medical Center, Nashville, TN
| | - Wei Zheng
- Division of Epidemiology, Department of Medicine, Vanderbilt Epidemiology Center, Vanderbilt-Ingram Cancer Center, Vanderbilt University Medical Center, Nashville, TN
| | - Xiao-Ou Shu
- Division of Epidemiology, Department of Medicine, Vanderbilt Epidemiology Center, Vanderbilt-Ingram Cancer Center, Vanderbilt University Medical Center, Nashville, TN
| | - Stephen J. Pandol
- Division of Gastroenterology, Department of Medicine, Cedars-Sinai Medical Center and Department of Veterans Affairs, Los Angeles, CA
| | - Loïc Le Marchand
- Epidemiology Program, University of Hawaii Cancer Center, Honolulu, HI
| | - Veronica Wendy Setiawan
- Department of Preventive Medicine, Keck School of Medicine, University of Southern California, Los Angeles, CA
- Norris Comprehensive Cancer Center, Los Angeles, CA
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11
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Aamir M, Yin S, Liu Y, Ullah H, Khan S, Liu W. Dietary exposure and cancer risk assessment of the Pakistani population exposed to polycyclic aromatic hydrocarbons. THE SCIENCE OF THE TOTAL ENVIRONMENT 2021; 757:143828. [PMID: 33257068 DOI: 10.1016/j.scitotenv.2020.143828] [Citation(s) in RCA: 14] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/18/2020] [Revised: 10/29/2020] [Accepted: 11/02/2020] [Indexed: 06/12/2023]
Abstract
The sixteen-priority polycyclic aromatic hydrocarbons (PAHs) were determined in twenty-one groceries from six food groups consumed by the Pakistani population. The highest concentration of the total PAHs was found in fish (243 ng g-1), while the lowest concentration was determined in rice (53 ng g-1). The total B[a]Peq dietary exposure for the male group followed an increasing order of children (865.5 ng day-1) < adolescents (2301 ng day-1) < seniors (2864 ng day-1) < adults (3004 ng day-1), whereas the similar order was also observed for the female group. The male group showed 1-8.5% (mean 5.5%) of higher exposure amount compared to the female group. Among all food categories, wheat (43%) and milk (34%) contributed the greatest while rice (1%) and egg (1%) contributed the smallest to the total dietary exposure of PAHs. The incremental lifetime cancer risk (ILCR) values for the adults and children revealed a potential cancer risk to the both male and female groups. Whereas at the 95th percentiles, the ILCR values for all age and gender groups exceeded the limit (>10-5), demonstrating a high potential cancer risk in the Pakistani population. The sensitivity analysis found that the daily dietary intake, exposure duration and the cancer slope factor were the most influential variables contributed to the total variance of risk.
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Affiliation(s)
- Muhammad Aamir
- MOE Key Laboratory of Environmental Remediation and Ecosystem Health, Institute of Environmental Health, College of Environmental and Resource Sciences, Zhejiang University, Hangzhou 310058, China; Department of Environmental Sciences, University of Peshawar, Peshawar 25120, Pakistan
| | - Shanshan Yin
- Interdisciplinary Research Academy (IRA), Zhejiang Shuren University, Hangzhou 310015, China; MOE Key Laboratory of Environmental Remediation and Ecosystem Health, Institute of Environmental Health, College of Environmental and Resource Sciences, Zhejiang University, Hangzhou 310058, China
| | - Yingxue Liu
- MOE Key Laboratory of Environmental Remediation and Ecosystem Health, Institute of Environmental Health, College of Environmental and Resource Sciences, Zhejiang University, Hangzhou 310058, China
| | - Habib Ullah
- Department of Environmental Sciences, University of Peshawar, Peshawar 25120, Pakistan
| | - Sardar Khan
- Department of Environmental Sciences, University of Peshawar, Peshawar 25120, Pakistan.
| | - Weiping Liu
- MOE Key Laboratory of Environmental Remediation and Ecosystem Health, Institute of Environmental Health, College of Environmental and Resource Sciences, Zhejiang University, Hangzhou 310058, China; Interdisciplinary Research Academy (IRA), Zhejiang Shuren University, Hangzhou 310015, China.
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12
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Chen SM, Chieng WW, Huang SW, Hsu LJ, Jan MS. The synergistic tumor growth-inhibitory effect of probiotic Lactobacillus on transgenic mouse model of pancreatic cancer treated with gemcitabine. Sci Rep 2020; 10:20319. [PMID: 33230218 PMCID: PMC7683550 DOI: 10.1038/s41598-020-77322-5] [Citation(s) in RCA: 38] [Impact Index Per Article: 9.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/14/2020] [Accepted: 10/27/2020] [Indexed: 12/13/2022] Open
Abstract
Pancreatic cancer is one of the most lethal and chemo-resistant cancers worldwide. Growing evidence supports the theory that the gut microbiota plays an essential role in modulating the host response to anti-cancer therapy. The present study aimed to explore the effect of probiotics as an adjuvant during chemotherapy for pancreatic cancer. An LSL-KrasG12D/−-Pdx-1-Cre mouse model of pancreatic ductal adenocarcinoma (PDAC) was created to study the effects of using four-week multi-strain probiotics (Lactobacillus paracasei GMNL-133 and Lactobacillus reuteri GMNL-89) as an adjuvant therapy for controlling cancer progression. At 12 weeks of age, pancreatitis was induced in the mice by two intraperitoneal injection with caerulein (25 μg/kg 2 days apart). Over the next 4 weeks the mice were treated with intraperitoneal injections of gemcitabine in combination with the oral administration of probiotics. The pancreas was then harvested for analysis. Following caerulein treatment, the pancreases of the LSL-KrasG12D/−-Pdx-1-Cre transgenic mice exhibited more extensive pancreatic intraepithelial neoplasia (PanIN) formation. Combined treatment with gemcitabine and probiotics revealed a lower grade of PanIN formation and a decrease in the expression of vimentin and Ki-67. Mice that received gemcitabine in combination with probiotics had lower aspartate aminotransferase (AST) and alanine aminotransferase (ALT) levels. Notably, the use of high-dose probiotics alone without gemcitabine also had an inhibitory effect on PanIN changes and serum liver enzyme elevation. These findings suggest that probiotics are able to make standard chemotherapy more effective and could help improve the patient’s tolerance of chemotherapy.
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Affiliation(s)
- Shan-Ming Chen
- Department of Pediatrics, Chung Shan Medical University Hospital, Taichung, Taiwan.,Department of Pediatrics, School of Medicine, Chung Shan Medical University, Taichung, Taiwan
| | - Wee-Wei Chieng
- Institute of Biochemistry, Microbiology and Immunology, Chung Shan Medical University, Taichung, Taiwan
| | - Szu-Wei Huang
- Department of Post-Baccalaureate Veterinary Medicine, Asia University, Taichung, Taiwan
| | - Li-Jin Hsu
- Department of Medical Laboratory Science and Technology, Medical College, National Cheng Kung University, Tainan, Taiwan
| | - Ming-Shiou Jan
- Institute of Biochemistry, Microbiology and Immunology, Chung Shan Medical University, Taichung, Taiwan. .,Institute of Medicine, Medical College, Chung Shan Medical University, 110, Sec 1, Jianguo N Rd, Taichung, 40246, Taiwan. .,Immunology Research Center, Chung Shan Medical University, Taichung, Taiwan. .,Division of Allergy, Immunology and Rheumatology, Department of Internal Medicine, Chung Shan Medical University, Taichung, Taiwan.
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13
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Cheng J, Zhang X, Ma Y, Zhao J, Tang Z. Concentrations and distributions of polycyclic aromatic hydrocarbon in vegetables and animal-based foods before and after grilling: Implication for human exposure. THE SCIENCE OF THE TOTAL ENVIRONMENT 2019; 690:965-972. [PMID: 31302560 DOI: 10.1016/j.scitotenv.2019.07.074] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/26/2019] [Revised: 07/01/2019] [Accepted: 07/05/2019] [Indexed: 06/10/2023]
Abstract
The effects of grilling on health risks posed by polycyclic aromatic hydrocarbons (PAHs) in food remain poorly understood. The changes of concentrations, distributions, and risks of PAHs in vegetables and animal-based foods before and after grilling were investigated in this study. The sum of 16 (∑16) PAH concentrations in grilled vegetables and grilled animal-based foods were 60.4-1936 and 69.1-4668 ng/g, respectively. Grilling markedly increased the ∑16 PAH concentrations in most foods analyzed. Grilling clearly increased the low-molecular-weight PAH contributions to the ∑16 PAH concentrations in vegetables but increased the heavier PAH contributions to the ∑16 PAH concentrations in some animal-based foods. With the grilling, the total benzo[a]pyrene-equivalent concentrations of the 16 PAHs in Chinese chives and enoki mushrooms and most animal-based foods were improved significantly. Source assessments indicated that environmental sources contributed PAHs to the raw foods and high-temperature pyrolysis during grilling contributed large proportions of the PAHs in the grilled foods. The carcinogenic risks to humans from the exposure of PAHs in vegetables and animal-based foods were estimated. Grilling increased the total risks of PAHs in vegetables and animal-based foods by factors of 3.12 and 5.49, respectively. Total risks of PAHs in the 11 foods were 3.43 times higher when the foods were grilled than when raw. The results suggested that the negative effects of grilling on human health should be of great concern.
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Affiliation(s)
- Jiali Cheng
- Key Laboratory of Trace Element Nutrition of National Health Commission, National Institute for Nutrition and Health, Chinese Center for Disease Control and Prevention, Beijing 100021, China
| | - Xianhui Zhang
- Agricultural Product Quality Safety Inspection and Testing Center of Huainan, Huainan, 232007, Anhui, China
| | - Yan Ma
- Key Laboratory of Trace Element Nutrition of National Health Commission, National Institute for Nutrition and Health, Chinese Center for Disease Control and Prevention, Beijing 100021, China
| | - Jia Zhao
- Key Laboratory of Trace Element Nutrition of National Health Commission, National Institute for Nutrition and Health, Chinese Center for Disease Control and Prevention, Beijing 100021, China
| | - Zhenwu Tang
- College of Life and Environmental Sciences, Minzu University of China, Beijing 100081, China.
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14
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Li D, Tang H, Wei P, Zheng J, Daniel CR, Hassan MM. Vitamin C and Vitamin E Mitigate the Risk of Pancreatic Ductal Adenocarcinoma from Meat-Derived Mutagen Exposure in Adults in a Case-Control Study. J Nutr 2019; 149:1443-1450. [PMID: 31100111 PMCID: PMC6686056 DOI: 10.1093/jn/nxz081] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/04/2019] [Revised: 02/12/2019] [Accepted: 04/01/2019] [Indexed: 12/15/2022] Open
Abstract
BACKGROUND Previous studies have found that meat-derived mutagens increase, and vitamin C or E decrease, the risk of pancreatic cancer. OBJECTIVE The aim of this study was to determine whether intake of vitamin C or E modulates the association between meat-derived mutagen exposure and risk of pancreatic cancer. DESIGN We conducted a case-control study in 1321 patients with pathologically confirmed pancreatic ductal adenocarcinoma (PDAC) and 1061 healthy controls (aged 28-88 y). Cases and controls were frequency-matched by age, sex, and race/ethnicity. Mutagen intake was assessed using a meat preparation questionnaire. Intakes of vitamin C, E, and other dietary components were assessed via a food-frequency questionnaire in a subset of 811 cases and 818 controls. ORs and 95% CIs were estimated in multivariable-adjusted logistic regression models. RESULTS The risk of PDAC was not associated with meat intake but was associated with consumption of well-done grilled or barbecued chicken (OR: 1.57; 95% CI: 1.18, 2.09; P = 0.001). Intake of 2-amino-3,8-dimethylimidazo[4,5-f]quinoxaline was associated with increased PDAC risk (Ptrend = 0.047). Participants in the highest, as compared with the lowest, quintile of 2-amino-3,4,8-trimethylimidazo[4,5-f]quinoxaline (PhIP) intake experienced a 38% increased risk of PDAC (95% CI: 1.00, 1.90; P = 0.048). Intakes of total vitamin C or E from food and supplements or from supplements alone were each inversely associated with PDAC risk. Stratified analyses showed differential associations for PhIP intake and PDAC risk, such that risk increased among individuals with lower intake of vitamin C or E and decreased among those with higher vitamin intake. Significant interactions of dietary vitamin C, dietary vitamin E, and total vitamin E with PhIP intake were detected (Pinteraction = 0.023, <0.001, and 0.013, respectively). CONCLUSIONS Consistent with experimental evidence, this study of 811 cases and 818 controls has shown that high intake of dietary vitamin C or E mitigates the risk of PhIP-related PDAC.
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Affiliation(s)
- Donghui Li
- Department of Gastrointestinal Medical Oncology, Houston, TX
| | - Hongwei Tang
- Department of Gastrointestinal Medical Oncology, Houston, TX
| | - Peng Wei
- Department of Biostatistics, Houston, TX
| | - Jiali Zheng
- Department of Epidemiology, The University of Texas MD Anderson Cancer Center, Houston, TX
| | - Carrie R Daniel
- Department of Epidemiology, The University of Texas MD Anderson Cancer Center, Houston, TX,Address correspondence to DL (e-mail: )
| | - Manal M Hassan
- Department of Epidemiology, The University of Texas MD Anderson Cancer Center, Houston, TX
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15
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Song D, Guo R, Huang H, Zheng P, Huang H, Oyang Q, Xiao X, Wang B, Rong J, Liu R. 2-Amino-3,8-dimethylimidazo[4,5- f]quinoxaline Alters Autophagosome Maturation, Cellular Lipidomic Profiles, and Expression of Core Pluripotent Factors. JOURNAL OF AGRICULTURAL AND FOOD CHEMISTRY 2019; 67:7977-7985. [PMID: 30932489 DOI: 10.1021/acs.jafc.9b01041] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/09/2023]
Abstract
2-Amino-3,8-dimethylimidazo[4,5-f]quinoxaline (MeIQx), one of the most abundant heterocyclic aromatic amines (HAAs) found in the human diet, is primarily produced during high-temperature meat or fish cooking. While MeIQx has been investigated as a potential carcinogen, the cytotoxicity and related molecular mechanisms remain unclear. Here, we demonstrate that autophagosome maturation is blocked by MeIQx. Mechanistically, MeIQx inhibits acidification of lysosomes rather than prevents autophagosome-lysosome fusion. Moreover, cellular lipid profiles are altered by MeIQx treatment. Notably, many phospholipids and sphingolipids are significantly upregulated after exposure to MeIQx. Furthermore, MeIQx decreases expression of pluripotency-associated proteins in mouse embryonic stem cells (ESCs). Together, MeIQx blocks autophagosome maturation through inhibiting acidification of lysosomes, alters lipid metabolism, and decreases expression of pluripotent factors. Our studies provide more cytotoxic evidence and elucidate related mechanisms on the risk of HAA exposure and are expected to promote supervision of food safety and human health.
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Affiliation(s)
- Dan Song
- Nanjing Agricultural University , Nanjing , Jiangsu 210095 , People's Republic of China
| | - Renpeng Guo
- Nanjing Agricultural University , Nanjing , Jiangsu 210095 , People's Republic of China
| | - Haibo Huang
- Nanjing Agricultural University , Nanjing , Jiangsu 210095 , People's Republic of China
| | - Peixiang Zheng
- Department of Pathogen Biology, School of Basic Medicine , Huazhong University of Science and Technology , Wuhan , Hubei 430073 , People's Republic of China
| | - Hong Huang
- Nanjing Agricultural University , Nanjing , Jiangsu 210095 , People's Republic of China
| | - Qinqin Oyang
- Nanjing Agricultural University , Nanjing , Jiangsu 210095 , People's Republic of China
| | - Xiaoyue Xiao
- Department of Pathogen Biology, School of Basic Medicine , Huazhong University of Science and Technology , Wuhan , Hubei 430073 , People's Republic of China
| | - Binran Wang
- Department of Pathogen Biology, School of Basic Medicine , Huazhong University of Science and Technology , Wuhan , Hubei 430073 , People's Republic of China
| | - Jingtong Rong
- Department of Mental Health , Jining Medical University , Jining , Shandong 272067 , People's Republic of China
| | - Rong Liu
- Nanjing Agricultural University , Nanjing , Jiangsu 210095 , People's Republic of China
- National Center for International Research on Animal Gut Nutrition , Nanjing , Jiangsu 210095 , People's Republic of China
- Jiangsu Collaborative Innovation Center of Meat Production and Processing , Nanjing , Jiangsu 210095 , People's Republic of China
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16
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Onyeaghala G, Lane J, Pankratz N, Nelson HH, Thyagarajan B, Walcheck B, Anderson KE, Prizment AE. Association between MICA polymorphisms, s-MICA levels, and pancreatic cancer risk in a population-based case-control study. PLoS One 2019; 14:e0217868. [PMID: 31166958 PMCID: PMC6550421 DOI: 10.1371/journal.pone.0217868] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/25/2019] [Accepted: 05/20/2019] [Indexed: 12/30/2022] Open
Abstract
BACKGROUND Pancreatic tumor cells may avoid immune surveillance by releasing the transmembrane major histocompatibility complex class I chain-related A (MICA) protein in soluble form (s-MICA). We hypothesized that the presence of the A5.1 polymorphism in the MICA gene, which encodes a truncated MICA protein, is associated with higher s-MICA levels and increased pancreatic cancer risk. METHODS MICA alleles and s-MICA levels were measured in 121 pancreatic cancer cases and 419 controls. General linear regression with a log transformation assessed geometric means of s-MICA levels across MICA alleles. Unconditional logistic regression was used to calculate the odds ratio (OR) and 95% confidence intervals (CI) for pancreatic cancer associated with MICA alleles. RESULTS After multivariate adjustment, participants with at least one copy of the A5.1 allele versus no A5.1 allele had 1.35 (95% CI: 1.05-1.74) times greater s-MICA levels (1.65 times higher for cases and 1.28, for controls) and increased risk of pancreatic cancer (OR = 1.91, 95% CI: 1.05-3.48). CONCLUSIONS Our study suggests higher risk of pancreatic cancer among those with the MICA A5.1 polymorphism, which may be explained by an increase in s-MICA secretion and impaired immune response. IMPACT These findings provide further evidence at the genetic and molecular level of the important role of MICA in pancreatic cancer development, and may have important implications with regards to pancreatic cancer screening.
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Affiliation(s)
- Guillaume Onyeaghala
- Division of Epidemiology and Community Health, University of Minnesota School of Public Health, Minneapolis, MN, United States of America
| | - John Lane
- University of Minnesota Masonic Cancer Center, Minneapolis, MN, United States of America
- Department of Laboratory Medicine and Pathology, University of Minnesota, Minneapolis, MN, United States of America
| | - Nathan Pankratz
- University of Minnesota Masonic Cancer Center, Minneapolis, MN, United States of America
- Department of Laboratory Medicine and Pathology, University of Minnesota, Minneapolis, MN, United States of America
| | - Heather H. Nelson
- Division of Epidemiology and Community Health, University of Minnesota School of Public Health, Minneapolis, MN, United States of America
- University of Minnesota Masonic Cancer Center, Minneapolis, MN, United States of America
| | - Bharat Thyagarajan
- University of Minnesota Masonic Cancer Center, Minneapolis, MN, United States of America
- Department of Laboratory Medicine and Pathology, University of Minnesota, Minneapolis, MN, United States of America
| | - Bruce Walcheck
- University of Minnesota Masonic Cancer Center, Minneapolis, MN, United States of America
- Department of Veterinary and Biomedical Sciences, University of Minnesota, Saint Paul, MN, United States of America
| | - Kristin E. Anderson
- Division of Epidemiology and Community Health, University of Minnesota School of Public Health, Minneapolis, MN, United States of America
- University of Minnesota Masonic Cancer Center, Minneapolis, MN, United States of America
| | - Anna E. Prizment
- Division of Epidemiology and Community Health, University of Minnesota School of Public Health, Minneapolis, MN, United States of America
- University of Minnesota Masonic Cancer Center, Minneapolis, MN, United States of America
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17
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Jian SH, Yeh PJ, Wang CH, Chen HC, Chen SF. Analysis of heterocyclic amines in meat products by liquid chromatography – Tandem mass spectrometry. J Food Drug Anal 2019; 27:595-602. [PMID: 30987731 PMCID: PMC9296210 DOI: 10.1016/j.jfda.2018.10.002] [Citation(s) in RCA: 17] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/25/2018] [Revised: 09/21/2018] [Accepted: 10/04/2018] [Indexed: 11/28/2022] Open
Abstract
Heterocyclic amines (HCAs), a class made up of more than 25 compounds, are unintended hazardous substances that are generated by the heating or processing of proteinaceous foods at high temperatures. The International Agency for Research on Cancer (IARC) has classified four such HCAs (IQ, MeIQ, MeIQx, and PhIP) as being probable or possible human carcinogens. In this study, two sample preparation strategies, liquid–liquid extraction (LLE) with solid-phase extraction (SPE) and a rapid, easy, cheap, effective, rugged, and safe extraction (QuEChERS) method, were investigated for the determination of 11 types of HCAs in meat products by LC-MS/MS. The HCAs in the samples were first extracted with acetonitrile by LLE, and followed by SPE. In the case of QuEChERS extraction, acetonitrile is used as the LLME solvent, and PSA, C18EC and MgSO4 were used as the dSPE sorbent. Both methods showed good performance with respect to precision (RSD < 15.15%), accuracy (79.80–117.64%), recovery (52.39–116.88%), limit of quantitation for a spiked meat extract (0.01–10 ppb) and correlation coefficients (>0.993). The QuEChERS extraction strategy provided a better linear dynamic range and superior sensitivity in comparison with the LLE-SPE approach. HCAs were successfully quantified in real samples using the two proposed approaches by LC-MS/MS.
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Affiliation(s)
- Shi-Han Jian
- National Taiwan Normal University, Department of Chemistry,
Taiwan
| | - Pei-Jou Yeh
- National Taiwan Normal University, Department of Chemistry,
Taiwan
| | - Chung-Huang Wang
- Product and Process Research Center, Food Industry Research and Development,
Taiwan
| | - Hsin-Chang Chen
- Institute of Food Safety and Health, National Taiwan University,
Taiwan
| | - Sung-Fang Chen
- National Taiwan Normal University, Department of Chemistry,
Taiwan
- Corresponding author. E-mail address: (S.-F. Chen)
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18
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El Husseini M, Mourad R, Abdul Rahim H, Al Omar F, Jaber F. Assessment of Polycyclic Aromatic Hydrocarbons (PAH4) in the Traditional Lebanese Grilled Meat Products and Investigation of Broasted Frying Cooking Method and Meat Size on the PAH4 Formation. Polycycl Aromat Compd 2019. [DOI: 10.1080/10406638.2019.1570952] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/21/2023]
Affiliation(s)
- Mohamad El Husseini
- LAEC, CNRS, Beirut, Lebanon
- Analysis of Organic Compounds Laboratory (LACO) 509, Faculty of Sciences, Doctoral School of Science and Technology, Lebanese University, Beirut, Lebanon
| | - Rabih Mourad
- Analysis of Organic Compounds Laboratory (LACO) 509, Faculty of Sciences, Doctoral School of Science and Technology, Lebanese University, Beirut, Lebanon
| | - Haifa Abdul Rahim
- Analysis of Organic Compounds Laboratory (LACO) 509, Faculty of Sciences, Doctoral School of Science and Technology, Lebanese University, Beirut, Lebanon
| | - Fawaz Al Omar
- Analysis of Organic Compounds Laboratory (LACO) 509, Faculty of Sciences, Doctoral School of Science and Technology, Lebanese University, Beirut, Lebanon
| | - Farouk Jaber
- LAEC, CNRS, Beirut, Lebanon
- Analysis of Organic Compounds Laboratory (LACO) 509, Faculty of Sciences, Doctoral School of Science and Technology, Lebanese University, Beirut, Lebanon
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19
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Tête A, Gallais I, Imran M, Chevanne M, Liamin M, Sparfel L, Bucher S, Burel A, Podechard N, Appenzeller BMR, Fromenty B, Grova N, Sergent O, Lagadic-Gossmann D. Mechanisms involved in the death of steatotic WIF-B9 hepatocytes co-exposed to benzo[a]pyrene and ethanol: a possible key role for xenobiotic metabolism and nitric oxide. Free Radic Biol Med 2018; 129:323-337. [PMID: 30268890 DOI: 10.1016/j.freeradbiomed.2018.09.042] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/23/2018] [Revised: 09/20/2018] [Accepted: 09/26/2018] [Indexed: 12/15/2022]
Abstract
We previously demonstrated that co-exposing pre-steatotic hepatocytes to benzo[a]pyrene (B[a]P), a carcinogenic environmental pollutant, and ethanol, favored cell death. Here, the intracellular mechanisms underlying this toxicity were studied. Steatotic WIF-B9 hepatocytes, obtained by a 48h-supplementation with fatty acids, were then exposed to B[a]P/ethanol (10 nM/5 mM, respectively) for 5 days. Nitric oxide (NO) was demonstrated to be a pivotal player in the cell death caused by the co-exposure in steatotic hepatocytes. Indeed, by scavenging NO, CPTIO treatment of co-exposed steatotic cells prevented not only the increase in DNA damage and cell death, but also the decrease in the activity of CYP1, major cytochrome P450s of B[a]P metabolism. This would then lead to an elevation of B[a]P levels, thus possibly suggesting a long-lasting stimulation of the transcription factor AhR. Besides, as NO can react with superoxide anion to produce peroxynitrite, a highly oxidative compound, the use of FeTPPS to inhibit its formation indicated its participation in DNA damage and cell death, further highlighting the important role of NO. Finally, a possible key role for AhR was pointed out by using its antagonist, CH-223191. Indeed it prevented the elevation of ADH activity, known to participate to the ethanol production of ROS, notably superoxide anion. The transcription factor, NFκB, known to be activated by ROS, was shown to be involved in the increase in iNOS expression. Altogether, these data strongly suggested cooperative mechanistic interactions between B[a]P via AhR and ethanol via ROS production, to favor cell death in the context of prior steatosis.
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Affiliation(s)
- Arnaud Tête
- Univ Rennes, Inserm, EHESP, Irset (Institut de recherche en santé, environnement et travail) - UMR_S 1085, F-35000 Rennes, France
| | - Isabelle Gallais
- Univ Rennes, Inserm, EHESP, Irset (Institut de recherche en santé, environnement et travail) - UMR_S 1085, F-35000 Rennes, France
| | - Muhammad Imran
- Univ Rennes, Inserm, EHESP, Irset (Institut de recherche en santé, environnement et travail) - UMR_S 1085, F-35000 Rennes, France
| | - Martine Chevanne
- Univ Rennes, Inserm, EHESP, Irset (Institut de recherche en santé, environnement et travail) - UMR_S 1085, F-35000 Rennes, France
| | - Marie Liamin
- Univ Rennes, Inserm, EHESP, Irset (Institut de recherche en santé, environnement et travail) - UMR_S 1085, F-35000 Rennes, France
| | - Lydie Sparfel
- Univ Rennes, Inserm, EHESP, Irset (Institut de recherche en santé, environnement et travail) - UMR_S 1085, F-35000 Rennes, France
| | - Simon Bucher
- Univ Rennes, Inserm, Inra, Institut NUMECAN (Nutrition Metabolisms and Cancer) - UMR_S 1241, UMR_A 1341, F-35000 Rennes, France
| | - Agnès Burel
- Univ Rennes, Biosit - UMS 3480, US_S 018, F-35000 Rennes, France
| | - Normand Podechard
- Univ Rennes, Inserm, EHESP, Irset (Institut de recherche en santé, environnement et travail) - UMR_S 1085, F-35000 Rennes, France
| | - Brice M R Appenzeller
- HBRU, Luxembourg Institute of Health, 29, rue Henri Koch, L-4354 Esch-sur-Alzette, Luxembourg
| | - Bernard Fromenty
- Univ Rennes, Inserm, Inra, Institut NUMECAN (Nutrition Metabolisms and Cancer) - UMR_S 1241, UMR_A 1341, F-35000 Rennes, France
| | - Nathalie Grova
- HBRU, Luxembourg Institute of Health, 29, rue Henri Koch, L-4354 Esch-sur-Alzette, Luxembourg
| | - Odile Sergent
- Univ Rennes, Inserm, EHESP, Irset (Institut de recherche en santé, environnement et travail) - UMR_S 1085, F-35000 Rennes, France
| | - Dominique Lagadic-Gossmann
- Univ Rennes, Inserm, EHESP, Irset (Institut de recherche en santé, environnement et travail) - UMR_S 1085, F-35000 Rennes, France.
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20
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Monitoring and risk assessment of polycyclic aromatic hydrocarbons (PAHs) in processed foods and their raw materials. Food Control 2018. [DOI: 10.1016/j.foodcont.2018.05.012] [Citation(s) in RCA: 25] [Impact Index Per Article: 4.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022]
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21
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Guo J, Wang C, Guo Z, Zuo Z. Exposure to environmental level phenanthrene induces a NASH-like phenotype in new born rat. ENVIRONMENTAL POLLUTION (BARKING, ESSEX : 1987) 2018; 239:261-271. [PMID: 29656250 DOI: 10.1016/j.envpol.2018.04.030] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/29/2017] [Revised: 03/25/2018] [Accepted: 04/06/2018] [Indexed: 06/08/2023]
Abstract
More and more evidence indicates that persistent organic pollutants (POPs) are a risk factor for non-alcoholic fatty liver disease (NAFLD) and non-alcoholic steatohepatitis (NASH). Phenanthrene (Phe) is a kind of POP which existed extensively in the environment, but whose toxicity on mammals has so far received less focus. Subcutaneously injection of Phe (0.5, 5, 50 μg/kg) for 21 days induced significant NAFLD/NASH symptoms in new born rats. Exposure to environmental levels of Phe decreased body weight and liver-somatic index; impaired histology of liver; influenced the peroxisome proliferator-activated receptor gamma (PPARγ) signaling and lipid metabolism in liver; stimulated oxidative stress in the rats' liver; induced the variation of NFκB pathway and liver inflammatory response; and caused liver fibrosis via transforming growth factor β1 (tgfβ1). We speculated that the subcutaneously injected Phe was transferred to the liver through blood circulation, which may have induced the elevation of PPARγ directly or indirectly, leading to liver steatosis. Excess lipid, acting as the first hit, stimulated the second hit factors - oxidative stress, inflammatory response and lipid peroxidation, and finally resulted in steatohepatitis and liver fibrosis.
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Affiliation(s)
- Jiaojiao Guo
- State Key Laboratory of Cellular Stress Biology, School of Life Sciences, Xiamen University, Xiamen, 361005, China
| | - Chonggang Wang
- State Key Laboratory of Cellular Stress Biology, School of Life Sciences, Xiamen University, Xiamen, 361005, China; State Key Laboratory of Marine Environmental Science, Xiamen University, Xiamen, 361005, China
| | - Zhizhun Guo
- State Key Laboratory of Cellular Stress Biology, School of Life Sciences, Xiamen University, Xiamen, 361005, China
| | - Zhenghong Zuo
- State Key Laboratory of Cellular Stress Biology, School of Life Sciences, Xiamen University, Xiamen, 361005, China; State Key Laboratory of Marine Environmental Science, Xiamen University, Xiamen, 361005, China.
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Wang L, Liu A, Zhao Y, Mu X, Huang T, Gao H, Ma J. The levels of polycyclic aromatic hydrocarbons (PAHs) in human milk and exposure risk to breastfed infants in petrochemical industrialized Lanzhou Valley, Northwest China. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2018; 25:16754-16766. [PMID: 29611127 DOI: 10.1007/s11356-018-1799-3] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/14/2017] [Accepted: 03/19/2018] [Indexed: 06/08/2023]
Abstract
We investigated in this paper the presence of PAHs in human milk from lactating women residing in Lanzhou, a petrochemical industrialized valley city in Northwest China. The PAH concentration levels in human milk samples from 98 healthy women were determined by gas chromatography/mass spectrometry (GC/MS). The associations between the lifestyle factors and the PAHs levels of human milk were analyzed. Moreover, we applied principal component analysis (PCA) method to gain a better insight into the similarities or dissimilarities of the human milk PAH loads and different pathways of source exposure. In addition, the exposure risks of breastfed infants due to PAH ingestion via breast milk were assessed and the relative breast-feeding risk to the total intake dose of infants was addressed. The results showed that the average fat-normalized human milk ∑15PAHs concentrations for the lactating women residing in four districts of Lanzhou, namely, Xigu, Anning, Qilihe, and Chengguan were 320.40, 270.36, 374.04, and 259.84 ng/g of fat, respectively. The ∑15PAHs of human milk from the lactating women of Qilihe District exhibited the highest concentration level, while the concentration level for women from Xigu District is the second highest for the observed human milk ∑15PAHs. And the corresponding BaPeq concentrations for women in Xigu, Anning, Qilihe, and Chengguan districts were 58.29, 47.95, 65.13, and 45.60 ng/g of fat, respectively. A significant correlation was only found between human milk and living district environment (p < 0.05). Although the Spearman correlation analysis showed that there were no significant correlation existing between other lifestyle and human milk PAHs, we confirmed that consuming barbecue food could elevate PAHs levels in human milk: the barbecue intake frequency caused 10% fluctuation of ∑15PAHs concentration between high frequency and low frequency group in our study. Furthermore, the exposure to second-hand smoke can also increase the ∑15PAHs levels in human milk by 4 to 11% here. Ingestion doses of PAHs by infants (19.37-77.75 ng kg-1 day-1) were much higher than the inhalation doses (2.83-16.48 ng kg-1 day-1), which indicated that the ingestion is the main exposure risk pathway for infants. Since there are limited guidelines and standards for PAHs ingestion dose in human milk by infant, we compared the ingestion dose of BaP with the upper bound estimates of BaP dietary exposure of 108 ng kg-1 day-1 for toddlers of ages between 1.5 and 2.5 years of age in the UK reported by Committee on Toxicity of Chemicals in Food (COT) and the data we obtained were lower than this upper bound. However, the estimated margin of exposure (MOE) values of BaP-MOE, PAH2-MOE, PAH4-MOE, and PAH8-MOE were smaller than 10,000 which indicated that there are potential hazard for breastfed infants consuming these human milk samples.
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Affiliation(s)
- Li Wang
- Key Laboratory for Environmental Pollution Prediction and Control, Gansu Province, College of Earth and Environmental Sciences, Lanzhou University, Lanzhou, 730000, China
| | - Aiping Liu
- Gansu Provincial Maternity and Child-care Hospital, Lanzhou, China
| | - Yuan Zhao
- Key Laboratory for Environmental Pollution Prediction and Control, Gansu Province, College of Earth and Environmental Sciences, Lanzhou University, Lanzhou, 730000, China
| | - Xi Mu
- Key Laboratory for Environmental Pollution Prediction and Control, Gansu Province, College of Earth and Environmental Sciences, Lanzhou University, Lanzhou, 730000, China
| | - Tao Huang
- Key Laboratory for Environmental Pollution Prediction and Control, Gansu Province, College of Earth and Environmental Sciences, Lanzhou University, Lanzhou, 730000, China
| | - Hong Gao
- Key Laboratory for Environmental Pollution Prediction and Control, Gansu Province, College of Earth and Environmental Sciences, Lanzhou University, Lanzhou, 730000, China.
| | - Jianmin Ma
- Key Laboratory for Environmental Pollution Prediction and Control, Gansu Province, College of Earth and Environmental Sciences, Lanzhou University, Lanzhou, 730000, China.
- Laboratory for Earth Surface Processes, College of Urban and Environmental Sciences, Peking University, Beijing, 100871, China.
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Wang Y, Pan T, Li L, Wang H, Zhang D, Yang H. Benzo(a)pyrene promotes Hep-G2 cell migration and invasion by upregulating phosphorylated extracellular signal-regulated kinase expression. Oncol Lett 2018; 15:8325-8332. [PMID: 29805565 PMCID: PMC5950133 DOI: 10.3892/ol.2018.8379] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/13/2017] [Accepted: 03/07/2018] [Indexed: 12/21/2022] Open
Abstract
Benzo(a)pyrene (BaP), a carcinogenic component of cigarette smoke, has been reported to activate extracellular signal-regulated kinase (ERK) in cancer cells. Furthermore, activated ERK is associated with liver cancer cell invasion and metastasis. Therefore, the aim of the present study was to investigate the potential role of phosphorylated (p)-ERK in BaP-induced Hep-G2 cell migration and invasion. An MTT assay was used to determine the effects of BaP treatment on Hep-G2 cell proliferation. Wound-healing and Transwell invasion assays were employed to assess the migration and invasion abilities of Hep-G2 cells. Western blot analysis was applied to detect the expression of proteins. The results of the present study demonstrated that BaP treatment was able to increase the level of p-ERK protein expression in Hep-G2 cells. BaP treatment promoted Hep-G2 cell migration and invasion. The ERK inhibitor, U0126, was able to block the migration and invasion abilities of Hep-G2 cells induced by BaP. The results of the present study demonstrated that BaP treatment promoted the migration and invasion of Hep-G2 cells by upregulating p-ERK expression.
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Affiliation(s)
- Yadong Wang
- Department of Toxicology, Henan Center for Disease Control and Prevention, Zhengzhou, Henan 450016, P.R. China.,Henan Collaborative Innovation Center of Molecular Diagnosis and Laboratory Medicine, Xinxiang Medical University, Xinxiang, Henan 453003, P.R. China
| | - Teng Pan
- Department of Epidemiology, School of Public Health, Zhengzhou University, Zhengzhou, Henan 450001, P.R. China
| | - Li Li
- Department of Toxicology, Henan Center for Disease Control and Prevention, Zhengzhou, Henan 450016, P.R. China
| | - Haiyu Wang
- Department of Toxicology, Henan Center for Disease Control and Prevention, Zhengzhou, Henan 450016, P.R. China
| | - Ding Zhang
- Department of Toxicology, Henan Center for Disease Control and Prevention, Zhengzhou, Henan 450016, P.R. China
| | - Haiyan Yang
- Department of Epidemiology, School of Public Health, Zhengzhou University, Zhengzhou, Henan 450001, P.R. China
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Onyeaghala G, Nelson HH, Thyagarajan B, Linabery AM, Panoskaltsis-Mortari A, Gross M, Anderson KE, Prizment AE. Soluble MICA is elevated in pancreatic cancer: Results from a population based case-control study. Mol Carcinog 2017; 56:2158-2164. [PMID: 28470829 PMCID: PMC5590635 DOI: 10.1002/mc.22667] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/06/2016] [Revised: 04/20/2017] [Accepted: 05/01/2017] [Indexed: 01/23/2023]
Abstract
Pancreatic cancer is diagnosed at a late stage and has one of the highest cancer mortality rates in the United States, creating an urgent need for novel early detection tools. A candidate biomarker for use in early detection is the soluble MHC class I-related chain A (s-MICA) ligand, which pancreatic tumors shed to escape immune detection. The objective of this study was to define the association between s-MICA levels and pancreatic cancer, in a population-based case-control study. S-MICA was measured in 143 pancreatic cancer cases and 459 controls. Unconditional logistic regression was used to calculate odds ratio (OR) for pancreatic cancer and 95% confidence intervals (CI). There was a positive association between increasing s-MICA levels and pancreatic cancer: compared to the lowest tertile, the ORs for pancreatic cancer were 1.25 (95%CI: 0.75-2.07) and 2.10 (95%CI: 1.29-3.42) in the second and highest tertiles, respectively (P-trend = 0.02). Our study supports previous work demonstrating a positive association between plasma s-MICA levels and pancreatic cancer.
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Affiliation(s)
- Guillaume Onyeaghala
- Division of Epidemiology and Community Health, School of Public Health, University of Minnesota, Minneapolis, Minnesota
| | - Heather H Nelson
- Division of Epidemiology and Community Health, School of Public Health, University of Minnesota, Minneapolis, Minnesota
- University of Minnesota Masonic Cancer Center, Minneapolis, Minnesota
| | - Bharat Thyagarajan
- University of Minnesota Masonic Cancer Center, Minneapolis, Minnesota
- Department of Laboratory Medicine and Pathology, University of Minnesota, Minneapolis, Minnesota
| | - Amy M Linabery
- University of Minnesota Masonic Cancer Center, Minneapolis, Minnesota
| | - Angela Panoskaltsis-Mortari
- Division of Blood and Marrow Transplantation, Department of Pediatrics, University of Minnesota, Minneapolis, Minnesota
| | - Myron Gross
- Department of Laboratory Medicine and Pathology, University of Minnesota, Minneapolis, Minnesota
| | - Kristin E Anderson
- Division of Epidemiology and Community Health, School of Public Health, University of Minnesota, Minneapolis, Minnesota
- University of Minnesota Masonic Cancer Center, Minneapolis, Minnesota
| | - Anna E Prizment
- Division of Epidemiology and Community Health, School of Public Health, University of Minnesota, Minneapolis, Minnesota
- University of Minnesota Masonic Cancer Center, Minneapolis, Minnesota
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Weisbeck A, Jansen RJ. Nutrients and the Pancreas: An Epigenetic Perspective. Nutrients 2017; 9:nu9030283. [PMID: 28294968 PMCID: PMC5372946 DOI: 10.3390/nu9030283] [Citation(s) in RCA: 18] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/16/2016] [Revised: 02/07/2017] [Accepted: 03/06/2017] [Indexed: 12/15/2022] Open
Abstract
Pancreatic cancer is the fourth most common cause of cancer-related deaths with a dismal average five-year survival rate of six percent. Substitutional progress has been made in understanding how pancreatic cancer develops and progresses. Evidence is mounting which demonstrates that diet and nutrition are key factors in carcinogenesis. In particular, diets low in folate and high in fruits, vegetables, red/processed meat, and saturated fat have been identified as pancreatic cancer risk factors with a proposed mechanism involving epigenetic modifications or gene regulation. We review the current literature assessing the correlation between diet, epigenetics, and pancreatic cancer.
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Affiliation(s)
- Andee Weisbeck
- Department of Public Health, North Dakota State University, Fargo, ND 58102, USA.
| | - Rick J Jansen
- Department of Public Health, North Dakota State University, Fargo, ND 58102, USA.
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26
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Lu PY, Shu L, Shen SS, Chen XJ, Zhang XY. Dietary Patterns and Pancreatic Cancer Risk: A Meta-Analysis. Nutrients 2017; 9:nu9010038. [PMID: 28067765 PMCID: PMC5295082 DOI: 10.3390/nu9010038] [Citation(s) in RCA: 45] [Impact Index Per Article: 6.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/29/2016] [Revised: 12/13/2016] [Accepted: 12/23/2016] [Indexed: 12/13/2022] Open
Abstract
A number of studies have examined the associations between dietary patterns and pancreatic cancer risk, but the findings have been inconclusive. Herein, we conducted this meta-analysis to assess the associations between dietary patterns and the risk of pancreatic cancer. MEDLINE (provided by the National Library of Medicine) and EBSCO (Elton B. Stephens Company) databases were searched for relevant articles published up to May 2016 that identified common dietary patterns. Thirty-two studies met the inclusion criteria and were finally included in this meta-analysis. A reduced risk of pancreatic cancer was shown for the highest compared with the lowest categories of healthy patterns (odds ratio, OR = 0.86; 95% confidence interval, CI: 0.77–0.95; p = 0.004) and light–moderate drinking patterns (OR = 0.90; 95% CI: 0.83–0.98; p = 0.02). There was evidence of an increased risk for pancreatic cancer in the highest compared with the lowest categories of western-type pattern (OR = 1.24; 95% CI: 1.06–1.45; p = 0.008) and heavy drinking pattern (OR = 1.29; 95% CI: 1.10–1.48; p = 0.002). The results of this meta-analysis demonstrate that healthy and light–moderate drinking patterns may decrease the risk of pancreatic cancer, whereas western-type and heavy drinking patterns may increase the risk of pancreatic cancer. Additional prospective studies are needed to confirm these findings.
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Affiliation(s)
- Pei-Ying Lu
- Department of Geriatrics, Zhejiang Hospital, Xihu District, Hangzhou 310013, China.
| | - Long Shu
- Department of Nutrition, Zhejiang Hospital, Xihu District, Hangzhou 310013, China.
| | - Shan-Shan Shen
- Department of Geriatrics, Zhejiang Hospital, Xihu District, Hangzhou 310013, China.
| | - Xu-Jiao Chen
- Department of Geriatrics, Zhejiang Hospital, Xihu District, Hangzhou 310013, China.
| | - Xiao-Yan Zhang
- Department of Nutrition, Zhejiang Hospital, Xihu District, Hangzhou 310013, China.
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Higher Meat Intake Is Positively Associated With Higher Risk of Developing Pancreatic Cancer in an Age-Dependent Manner and Are Modified by Plasma Antioxidants: A Prospective Cohort Study (EPIC-Norfolk) Using Data From Food Diaries. Pancreas 2017; 46:672-678. [PMID: 28375948 PMCID: PMC5400064 DOI: 10.1097/mpa.0000000000000819] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/06/2023]
Abstract
OBJECTIVE Carcinogens in meat may be involved in pancreatic carcinogenesis. Meat intake was investigated using 7-day food diaries and according to factors potentially influencing carcinogenesis: age, cooking method, and antioxidants. METHODS Twenty-three thousand one hundred thirty-three participants in the European Prospective Investigation of Cancer-Norfolk cohort study completed 7-day food diaries and were followed up. Meat intakes were compared with controls and hazard ratios (HRs) calculated. RESULTS Eighty-six participants developed pancreatic cancer. If younger than 60 years at recruitment, all quintiles of red meat (Q1 vs Q5; HR, 4.62; 95% confidence interval [CI], 0.96-22.30; P = 0.06) and processed meat (Q1 vs Q5; HR, 3.73; 95% CI, 0.95-14.66; P = 0.06) were nonsignificantly positively associated, with significant trends across quintiles (HRtrend, 1.33; 95% CI, 1.01-1.77 and HRtrend, 1.37; 95% CI, 1.04-1.82, respectively). Red meat's effect was attenuated by higher, but not lower, plasma vitamin C (HR, 1.06; 95% CI, 0.69-1.63 vs HR, 1.84; 95% CI, 1.09-3.14) and for processed meat (HR, 1.07; 95% CI, 0.71-1.63 vs HR, 1.80; 95% CI, 1.10-2.96). A nonstatistically significant risk was observed for high-temperature cooking methods in younger people (HR, 4.68; 95% CI, 0.63-34.70; P = 0.13). CONCLUSIONS Red and processed meats may be involved in pancreatic carcinogenesis.
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Nagao M, Tsugane S. Cancer in Japan: Prevalence, prevention and the role of heterocyclic amines in human carcinogenesis. Genes Environ 2016; 38:16. [PMID: 27375796 PMCID: PMC4929724 DOI: 10.1186/s41021-016-0043-y] [Citation(s) in RCA: 19] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/22/2016] [Accepted: 04/19/2016] [Indexed: 01/02/2023] Open
Abstract
In this article, three topics are being studied in order to understand the present state of cancer in Japan. First, the statistics on cancer mortality indicates that the mortality from cancer in young individuals has been decreasing during the last 50 years, although the total mortality from cancer has been steadily and steeply increasing. Second, epidemiological analyses of cancer causes in Japan indicated that 50 % of cancer cases are preventable, and that prevention of infection and refraining from tobacco smoking will reduce cancer mortality by about 40 %. Third, mutagenic/carcinogenic heterocyclic amines present in cooked meat/fish have been suggested to be carcinogenic in humans in many epidemiological studies carried out in Japan and other countries.
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Affiliation(s)
- Minako Nagao
- National Cancer Center Research Institute, Tokyo, Japan
| | - Shoichiro Tsugane
- Center for Public Health Sciences, National Cancer Center, Tokyo, Japan
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29
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Dietary total antioxidant capacity and pancreatic cancer risk: an Italian case-control study. Br J Cancer 2016; 115:102-7. [PMID: 27172251 PMCID: PMC4931362 DOI: 10.1038/bjc.2016.114] [Citation(s) in RCA: 22] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/30/2015] [Revised: 03/18/2016] [Accepted: 04/05/2016] [Indexed: 12/16/2022] Open
Abstract
BACKGROUND Pancreatic cancer is one of the leading causes of cancer mortality. Diet may be associated with pancreatic cancer, but it is unknown whether specific dietary components contribute to its risk. The potential differential role of dietary antioxidants warrants further investigation. METHODS We analysed data from a case-control study of 326 pancreatic cancer cases and 652 controls conducted between 1991 and 2008 in Northern Italy. Subjects' usual diet was assessed through a validated and reproducible food frequency questionnaire. Using this information and an Italian food composition database, we calculated three indices of dietary total antioxidant capacity (TAC): Trolox equivalent antioxidant capacity (TEAC), total radical-trapping antioxidant parameter (TRAP) and ferric-reducing antioxidant power (FRAP). We estimated the odds ratios (ORs) and 95% confidence intervals (CIs) for pancreatic cancer using multiple logistic regression models conditioned on study centre, sex and age, and adjusted for major known pancreatic cancer risk factors. RESULTS Significant inverse associations were found for the highest tertile of TAC compared with the lowest tertile for both TEAC and FRAP. The ORs were 0.61 (95% CI 0.39-0.94, P-value for trend 0.03) and 0.63 (95% CI 0.41-0.99, P-value for trend 0.05), respectively. Total radical-trapping antioxidant parameter was inversely, but not significantly, associated with pancreatic cancer risk, with an OR of 0.78 (95% CI 0.49-1.24, P-value for trend 0.27). CONCLUSIONS Diet high in TAC, as measured by TEAC and FRAP, is inversely associated with pancreatic cancer risk.
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Malfatti MA, Kuhn EA, Turteltaub KW, Vickers SM, Jensen EH, Strayer L, Anderson KE. Disposition of the Dietary Mutagen 2-Amino-3,8-dimethylimidazo[4,5-f]quinoxaline in Healthy and Pancreatic Cancer Compromised Humans. Chem Res Toxicol 2016; 29:352-8. [PMID: 26918625 PMCID: PMC4831706 DOI: 10.1021/acs.chemrestox.5b00495] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/02/2023]
Abstract
Pancreatic cancer is the fourth leading cause of cancer death in the U.S. Once diagnosed, prognosis is poor with a 5-year survival rate of less than 5%. Exposure to carcinogenic heterocyclic amines (HCAs) derived from cooked meat has been shown to be positively associated with pancreatic cancer risk. To evaluate the processes that determine the carcinogenic potential of HCAs for human pancreas, 14-carbon labeled 2-amino-3,8-dimethylimidazo[4,5-f]quinoxaline (MeIQx), a putative human carcinogenic HCA found in well-done cooked meat, was administered at a dietary relevant dose to human volunteers diagnosed with pancreatic cancer undergoing partial pancreatectomy and healthy control volunteers. After (14)C-MeIQx exposure, blood and urine were collected for pharmacokinetic and metabolite analysis. MeIQx-DNA adducts levels were quantified by accelerator mass spectrometry from pancreatic tissue excised during surgery from the cancer patient group. Pharmacokinetic analysis of plasma revealed a rapid distribution of MeIQx with a plasma elimination half-life of approximately 3.5 h in 50% of the cancer patients and all of the control volunteers. In 2 of the 4 cancer patients, very low levels of MeIQx were detected in plasma and urine suggesting low absorption from the gut into the plasma. Urinary metabolite analysis revealed five MeIQx metabolites with 2-amino-3-methylimidazo[4,5-f]quinoxaline-8-carboxylic acid being the most abundant accounting for 25%-50% of the recovered 14-carbon/mL urine. There was no discernible difference in metabolite levels between the cancer patient volunteers and the control group. MeIQx-DNA adduct analysis of pancreas and duodenum tissue revealed adduct levels indistinguishable from background levels. Although other meat-derived HCA mutagens have been shown to bind DNA in pancreatic tissue, indicating that exposure to HCAs from cooked meat cannot be discounted as a risk factor for pancreatic cancer, the results from this current study show that exposure to a single dietary dose of MeIQx does not readily form measurable DNA adducts under the conditions of the experiment.
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Affiliation(s)
- Michael A Malfatti
- Biosciences and Biotechnology Division, Physical and Life Sciences Directorate, Lawrence Livermore National Laboratory , 7000 East Avenue, L-452, Livermore, California 94550, United States
| | - Edward A Kuhn
- Biosciences and Biotechnology Division, Physical and Life Sciences Directorate, Lawrence Livermore National Laboratory , 7000 East Avenue, L-452, Livermore, California 94550, United States
| | - Kenneth W Turteltaub
- Biosciences and Biotechnology Division, Physical and Life Sciences Directorate, Lawrence Livermore National Laboratory , 7000 East Avenue, L-452, Livermore, California 94550, United States
| | - Selwyn M Vickers
- University of Alabama , 1720 2nd Avenue South, Birmingham, Alabama 35233, United States
| | - Eric H Jensen
- University of Minnesota , Minneapolis, Minnesota 55455, United States
| | - Lori Strayer
- University of Minnesota , Minneapolis, Minnesota 55455, United States
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de Carvalho AM, Carioca AAF, Fisberg RM, Qi L, Marchioni DM. Joint association of fruit, vegetable, and heterocyclic amine intake with DNA damage levels in a general population. Nutrition 2016; 32:260-4. [DOI: 10.1016/j.nut.2015.08.018] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/22/2015] [Revised: 07/16/2015] [Accepted: 08/22/2015] [Indexed: 10/23/2022]
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32
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Concentration, dietary exposure and health risk estimation of polycyclic aromatic hydrocarbons (PAHs) in youtiao, a Chinese traditional fried food. Food Control 2016. [DOI: 10.1016/j.foodcont.2015.06.003] [Citation(s) in RCA: 70] [Impact Index Per Article: 8.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022]
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Lucas AL, Bravi F, Boffetta P, Polesel J, Serraino D, La Vecchia C, Bosetti C. Adherence to World Cancer Research Fund/American Institute for Cancer Research recommendations and pancreatic cancer risk. Cancer Epidemiol 2015; 40:15-21. [PMID: 26605429 DOI: 10.1016/j.canep.2015.10.026] [Citation(s) in RCA: 18] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/21/2015] [Revised: 10/22/2015] [Accepted: 10/27/2015] [Indexed: 01/02/2023]
Abstract
BACKGROUND Pancreatic cancer is a leading cause of cancer death. A role of dietary factors in pancreatic carcinogenesis has been suggested. The World Cancer Research Fund (WCRF) and the American Institute for Cancer Research (AICR) published 8 recommendations for cancer prevention. We evaluated the effect of adherence to the WCRF/AICR recommendations on pancreatic cancer risk. METHODS We operationalized 7 of the 8 WCRF/AICR recommendations to generate a WCRF/AICR score. We examined the association of WCRF/AICR score with pancreatic cancer in data from an Italian case-control study of 326 incident cases and 652 controls. RESULTS Adherence to WCRF/AICR recommendations was associated with a significantly decreased risk of pancreatic cancer. Using a WCRF/AICR score <3.5 as a reference, the adjusted odds ratio (OR) for a score 3.5-<4 was 0.80 (95% CI 0.49, 1.28), for a score 4-<5 0.54 (95% CI 0.35, 0.82), and for score 5 or more 0.41 (95% CI 0.24, 0.68; p-value for trend 0.0002). The OR for a continuous increment of one unit of the WCRF/AICR score was 0.72 (95% CI 0.60, 0.87). CONCLUSION Adherence to the WCRF/AICR recommendations may reduce pancreatic cancer risk.
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Affiliation(s)
- Aimee L Lucas
- Henry D. Janowitz Division of Gastroenterology, Icahn School of Medicine at Mount Sinai, NY, USA.
| | - Francesca Bravi
- Department of Epidemiology, IRCCS-Istituto di Ricerche Farmacologiche "Mario Negri"-IRCCS, Milan, Italy
| | - Paolo Boffetta
- Tisch Cancer Institute and Institute of Translational Epidemiology, Icahn School of Medicine at Mount Sinai, NY, USA
| | - Jerry Polesel
- Unit of Epidemiology and Biostatistics, CRO Aviano National Cancer Institute, Aviano (PN), Italy
| | - Diego Serraino
- Unit of Epidemiology and Biostatistics, CRO Aviano National Cancer Institute, Aviano (PN), Italy
| | - Carlo La Vecchia
- Department of Clinical Sciences and Community Health, Università degli Studi di Milano, Milan, Italy
| | - Cristina Bosetti
- Department of Epidemiology, IRCCS-Istituto di Ricerche Farmacologiche "Mario Negri"-IRCCS, Milan, Italy
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34
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Ultrafine Particles in Residential Indoors and Doses Deposited in the Human Respiratory System. ATMOSPHERE 2015. [DOI: 10.3390/atmos6101444] [Citation(s) in RCA: 18] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/22/2023]
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Moffat I, Chepelev N, Labib S, Bourdon-Lacombe J, Kuo B, Buick JK, Lemieux F, Williams A, Halappanavar S, Malik A, Luijten M, Aubrecht J, Hyduke DR, Fornace AJ, Swartz CD, Recio L, Yauk CL. Comparison of toxicogenomics and traditional approaches to inform mode of action and points of departure in human health risk assessment of benzo[a]pyrene in drinking water. Crit Rev Toxicol 2015; 45:1-43. [PMID: 25605026 DOI: 10.3109/10408444.2014.973934] [Citation(s) in RCA: 114] [Impact Index Per Article: 12.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022]
Abstract
Toxicogenomics is proposed to be a useful tool in human health risk assessment. However, a systematic comparison of traditional risk assessment approaches with those applying toxicogenomics has never been done. We conducted a case study to evaluate the utility of toxicogenomics in the risk assessment of benzo[a]pyrene (BaP), a well-studied carcinogen, for drinking water exposures. Our study was intended to compare methodologies, not to evaluate drinking water safety. We compared traditional (RA1), genomics-informed (RA2) and genomics-only (RA3) approaches. RA2 and RA3 applied toxicogenomics data from human cell cultures and mice exposed to BaP to determine if these data could provide insight into BaP's mode of action (MOA) and derive tissue-specific points of departure (POD). Our global gene expression analysis supported that BaP is genotoxic in mice and allowed the development of a detailed MOA. Toxicogenomics analysis in human lymphoblastoid TK6 cells demonstrated a high degree of consistency in perturbed pathways with animal tissues. Quantitatively, the PODs for traditional and transcriptional approaches were similar (liver 1.2 vs. 1.0 mg/kg-bw/day; lungs 0.8 vs. 3.7 mg/kg-bw/day; forestomach 0.5 vs. 7.4 mg/kg-bw/day). RA3, which applied toxicogenomics in the absence of apical toxicology data, demonstrates that this approach provides useful information in data-poor situations. Overall, our study supports the use of toxicogenomics as a relatively fast and cost-effective tool for hazard identification, preliminary evaluation of potential carcinogens, and carcinogenic potency, in addition to identifying current limitations and practical questions for future work.
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Affiliation(s)
- Ivy Moffat
- Water and Air Quality Bureau, Health Canada, Ottawa, ON, Canada.,Environmental Health Science and Research Bureau, Health Canada, Ottawa, ON, Canada
| | - Nikolai Chepelev
- Environmental Health Science and Research Bureau, Health Canada, Ottawa, ON, Canada
| | - Sarah Labib
- Environmental Health Science and Research Bureau, Health Canada, Ottawa, ON, Canada
| | - Julie Bourdon-Lacombe
- Water and Air Quality Bureau, Health Canada, Ottawa, ON, Canada.,Environmental Health Science and Research Bureau, Health Canada, Ottawa, ON, Canada
| | - Byron Kuo
- Environmental Health Science and Research Bureau, Health Canada, Ottawa, ON, Canada
| | - Julie K Buick
- Environmental Health Science and Research Bureau, Health Canada, Ottawa, ON, Canada
| | - France Lemieux
- Water and Air Quality Bureau, Health Canada, Ottawa, ON, Canada
| | - Andrew Williams
- Environmental Health Science and Research Bureau, Health Canada, Ottawa, ON, Canada
| | - Sabina Halappanavar
- Environmental Health Science and Research Bureau, Health Canada, Ottawa, ON, Canada
| | - Amal Malik
- Environmental Health Science and Research Bureau, Health Canada, Ottawa, ON, Canada
| | - Mirjam Luijten
- National Institute for Public Health and the Environment, Bilthoven, The Netherlands
| | | | - Daniel R Hyduke
- Biological Engineering Department, Utah State University, Logan, UT, USA
| | - Albert J Fornace
- Department of Biochemistry and Molecular and Cellular Biology, Georgetown University, Washington, DC, USA
| | - Carol D Swartz
- Integrated Laboratory Systems Inc., Research Triangle Park, NC, USA
| | - Leslie Recio
- Integrated Laboratory Systems Inc., Research Triangle Park, NC, USA
| | - Carole L Yauk
- Environmental Health Science and Research Bureau, Health Canada, Ottawa, ON, Canada
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Kanhai LDK, Gobin JF, Beckles DM, Lauckner B, Mohammed A. Polycyclic aromatic hydrocarbons (PAHs) in Crassostrea rhizophorae and Cathorops spixii from the Caroni Swamp, Trinidad, West Indies. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2015; 22:1366-1379. [PMID: 25142345 DOI: 10.1007/s11356-014-3450-2] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/21/2014] [Accepted: 08/14/2014] [Indexed: 06/03/2023]
Abstract
Dietary exposure to polycyclic aromatic hydrocarbons (PAHs) may pose serious threats to human health. However, within the Caribbean, quantitative assessments regarding the risks associated with dietary PAH exposure remain sparse. This study investigated PAH presence in edible biota from the Caroni Swamp and quantitatively assessed the potential health threat to human consumers. Mangrove oysters (Crassostrea rhizophorae) and Madamango sea catfish (Cathorops spixii) collected from seven sites in the Caroni Swamp were analysed for 16 priority PAHs. Total PAH levels ranged from 109 ± 18.4 to 362 ± 63.0 ng/g dry wt. in Crassostrea rhizophorae and 7.5 ± 0.9 to 43.5 ± 25.5 ng/g dry wt. in Cathorops spixii (average ± standard deviation). Benzo[a]pyrene levels in Crassostrea rhizophorae at all sites exceeded international guidelines from British Colombia (Canada) and the European Union (EU). Incremental lifetime cancer risk (ILCR) values based on the ingestion of Crassostrea rhizophorae ranged from 8.4 × 10(-6) to 1.6 × 10(-5) and slightly exceeded the commonly used 1 × 10(-6) acceptable level of risk. Information from this study is important in understanding the potential health risks posed by PAHs, it is critical towards the protection of public health, and it serves as a useful baseline for comparison with future work.
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Affiliation(s)
- La Daana K Kanhai
- Department of Life Sciences, The University of the West Indies, St. Augustine, Trinidad and Tobago,
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37
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Di Maso M, Talamini R, Bosetti C, Montella M, Zucchetto A, Libra M, Negri E, Levi F, La Vecchia C, Franceschi S, Serraino D, Polesel J. Red meat and cancer risk in a network of case-control studies focusing on cooking practices. Ann Oncol 2013; 24:3107-12. [PMID: 24121119 DOI: 10.1093/annonc/mdt392] [Citation(s) in RCA: 58] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/07/2023] Open
Abstract
BACKGROUND Consumption of red meat has been related to increased risk of several cancers. Cooking methods could modify the magnitude of this association, as production of chemicals depends on the temperature and duration of cooking. METHODS We analyzed data from a network of case-control studies conducted in Italy and Switzerland between 1991 and 2009. The studies included 1465 oral and pharyngeal, 198 nasopharyngeal, 851 laryngeal, 505 esophageal, 230 stomach, 1463 colon, 927 rectal, 326 pancreatic, 3034 breast, 454 endometrial, 1031 ovarian, 1294 prostate and 767 renal cancer cases. Controls included 11 656 patients admitted for acute, non-neoplastic conditions. Odds ratios (ORs) and confidence intervals (CIs) were estimated by multiple logistic regression models, adjusted for known confounding factors. RESULTS Daily intake of red meat was significantly associated with the risk of cancer of the oral cavity and pharynx (OR for increase of 50 g/day = 1.38; 95% CI: 1.26-1.52), nasopharynx (OR = 1.29; 95% CI: 1.04-1.60), larynx (OR = 1.46; 95% CI: 1.30-1.64), esophagus (OR = 1.46; 95% CI: 1.23-1.72), colon (OR = 1.17; 95% CI: 1.08-1.26), rectum (OR = 1.22; 95% CI:1.11-1.33), pancreas (OR = 1.51; 95% CI: 1.25-1.82), breast (OR = 1.12; 95% CI: 1.04-1.19), endometrium (OR = 1.30; 95% CI: 1.10-1.55) and ovary (OR = 1.29; 95% CI: 1.16-1.43). Fried meat was associated with a higher risk of cancer of oral cavity and pharynx (OR = 2.80; 95% CI: 2.02-3.89) and esophagus (OR = 4.52; 95% CI: 2.50-8.18). Risk of prostate cancer increased for meat cooked by roasting/grilling (OR = 1.31; 95% CI: 1.12-1.54). No heterogeneity according to cooking methods emerged for other cancers. Nonetheless, significant associations with boiled/stewed meat also emerged for cancer of the nasopharynx (OR = 1.97; 95% CI: 1.30-3.00) and stomach (OR = 1.86; 95% CI: 1.20-2.87). CONCLUSIONS Our analysis confirmed red meat consumption as a risk factor for several cancer sites, with a limited impact of cooking methods. These findings, thus, call for a limitation of its consumption in populations of Western countries.
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Affiliation(s)
- M Di Maso
- Unit of Epidemiology and Biostatistics, Centro di Riferimento Oncologico, IRCCS, Aviano
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Bosetti C, Turati F, Dal Pont A, Ferraroni M, Polesel J, Negri E, Serraino D, Talamini R, La Vecchia C, Zeegers MP. The role of Mediterranean diet on the risk of pancreatic cancer. Br J Cancer 2013; 109:1360-6. [PMID: 23928660 PMCID: PMC3778270 DOI: 10.1038/bjc.2013.345] [Citation(s) in RCA: 105] [Impact Index Per Article: 9.5] [Reference Citation Analysis] [Abstract] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/26/2013] [Revised: 06/07/2013] [Accepted: 06/11/2013] [Indexed: 12/19/2022] Open
Abstract
Background: The Mediterranean diet has been shown to have a beneficial role on various neoplasms, but data are scanty on pancreatic cancer. Methods: We analysed data from two case–control studies conducted in Italy between 1983 and 2008, including 362 and 326 pancreatic cancer cases and 1552 and 652 hospital-controls, respectively. A Mediterranean Diet Score (MDS) summarising major characteristics of the Mediterranean diet was used in the two studies separately and overall. Two further scores of adherence to the Mediterranean diet were applied in the second study only, the Mediterranean Dietary Pattern Adherence Index (MDP) and the Mediterranean Adequacy Index (MAI). Results: Odds ratios (ORs) for increasing levels of the scores (i.e., increasing adherence) were estimated using multiple logistic regression models. Odds ratio for a MDS score ⩾6 compared with <3 was 0.57 (95% confidence interval (CI) 0.34–0.95) in the first study, 0.51 (95% CI 0.29–0.92) in the second study, and 0.48 (95% CI 0.35–0.67) overall. A trend of decreasing risk was observed also for the MDP and MAI the ORs for the highest vs the lowest quintile being 0.44 (95% CI 0.27–0.73) for MDP and 0.68 (95% CI 0.42–1.11) for the MAI. The results were consistent across strata of age, sex, education, body mass index, alcohol drinking, tobacco smoking, and diabetes. Conclusion: Our study provides evidence that a priori-defined scores measuring adherence to the Mediterranean diet are favourably associated with pancreatic cancer risk.
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Affiliation(s)
- C Bosetti
- Department of Epidemiology, IRCCS-Istituto di Ricerche Farmacologiche Mario Negri, Milan, Italy.
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Nebert DW, Shi Z, Gálvez-Peralta M, Uno S, Dragin N. Oral benzo[a]pyrene: understanding pharmacokinetics, detoxication, and consequences--Cyp1 knockout mouse lines as a paradigm. Mol Pharmacol 2013; 84:304-13. [PMID: 23761301 DOI: 10.1124/mol.113.086637] [Citation(s) in RCA: 101] [Impact Index Per Article: 9.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/31/2022] Open
Abstract
Benzo[a]pyrene (BaP) is a prototypical polycyclic aromatic hydrocarbon (PAH); this ubiquitous environmental carcinogenic agent is found in tobacco smoke, charcoal-grilled foods, and PAH-contaminated surfaces of roofs, playgrounds, and highways. Cytochrome P450 1 wild-type, Cyp1a2(-/-), Cyp1b1(-/-), or Cyp1a2/1b1(-/-) knockouts, and mice with Cyp1a1 expression deleted in hepatocytes can ingest large oral BaP doses (125 mg/kg/d) without apparent toxicity. Cyp1a1(-/-) and Cyp1a1/1a2(-/-) knockouts and mice with Cyp1a1 expression deleted in gastrointestinal (GI) tract epithelial cells develop immunotoxicity and die within 32 days, indicating that GI tract inducible CYP1A1 is absolutely required for detoxication of oral BaP. Cyp1a1/1b1(-/-) and Cyp1a1/1a2/1b1(-/-) mice are rescued from immunosuppression and early death due to absent metabolic activation of BaP by CYP1B1 in immune cells. Ten-fold lower oral BaP doses result in adenocarcinoma of the proximal small intestine (PSI) in Cyp1a1(-/-) mice; Cyp1a1/1b1(-/-) double-knockout mice show no PSI cancer but develop squamous cell carcinoma of the preputial gland duct (PGD). BaP-metabolizing CYP1B1 in the PSI and CYP3A59 in the PGD are the most likely candidates to participate in tumor initiation in the epithelial cells of these two tissues; oncogenes and tumor-suppressor genes upregulated and downregulated during tumorigenesis are completely different between these tissues. This "oral BaP Cyp1" mouse paradigm represents a powerful teaching tool, showing that gene-environment interactions depend on route-of-administration: the same oral, but not intraperitoneal, BaP exposure leads to dramatic differences in target-organ toxicity and tumor type as a function of dose and Cyp1 genotype.
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Affiliation(s)
- Daniel W Nebert
- Department of Environmental Health, and the Center for Environmental Genetics, University of Cincinnati Medical Center, P.O. Box 670056, Cincinnati, OH 45267-0056, USA.
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Jansen RJ, Robinson DP, Frank RD, Stolzenberg-Solomon RZ, Bamlet WR, Oberg AL, Rabe KG, Olson JE, Petersen GM, Sinha R, Anderson KE. Meat-related mutagens and pancreatic cancer: null results from a clinic-based case-control study. Cancer Epidemiol Biomarkers Prev 2013; 22:1336-9. [PMID: 23632817 DOI: 10.1158/1055-9965.epi-13-0343] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/02/2023] Open
Abstract
BACKGROUND Pancreatic cancer is a devastating disease for which the role of dietary factors remains inconclusive. The study objective was to evaluate risk of pancreatic cancer associated with meat preparation methods and meat-related mutagen consumption using a clinic-based case-control design. METHODS There were 384 cases and 983 controls; subjects provided demographic information and completed a 144-item food frequency questionnaire, which was used to estimate meat mutagen intake using the National Cancer Institute's CHARRED database (Bethesda, MD). Logistic regression was used to calculate ORs and 95% confidence intervals (CI), adjusted for factors including age, sex, cigarette smoking, body mass index, and diabetes mellitus. RESULTS Overall, the findings were null with respect to meat mutagen intake and pancreatic cancer. CONCLUSIONS The results do not support an association between well-done meat or meat-related mutagen intake and pancreatic cancer and contrast with generally increased risks reported in previous studies. IMPACT These data contribute to evidence about pancreatic cancer and potentially carcinogenic compounds in meat.
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Affiliation(s)
- Rick J Jansen
- Division of Epidemiology, Department of Health Sciences Research, Mayo Clinic, Rochester, MN 55905, USA
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41
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Bosetti C, Bravi F, Turati F, Edefonti V, Polesel J, Decarli A, Negri E, Talamini R, Franceschi S, La Vecchia C, Zeegers MP. Nutrient-based dietary patterns and pancreatic cancer risk. Ann Epidemiol 2013; 23:124-8. [PMID: 23332711 DOI: 10.1016/j.annepidem.2012.12.005] [Citation(s) in RCA: 40] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/11/2012] [Revised: 10/04/2012] [Accepted: 12/09/2012] [Indexed: 12/20/2022]
Abstract
PURPOSE Few data are available on the role of combinations of foods and/or nutrients on pancreatic cancer risk. To add further information on dietary patterns potentially associated to pancreatic cancer, we applied an exploratory principal component factor analysis on 28 major nutrients derived from an Italian case-control study. METHODS Cases were 326 incident pancreatic cancer cases and controls 652 frequency-matched controls admitted to hospital for non-neoplastic diseases. Dietary information was collected through a validated and reproducible food frequency questionnaire. Multiple logistic regression models adjusted for sociodemographic variables and major recognized risk factors for pancreatic cancer were used to estimate the odds ratios (OR) of pancreatic cancer for each dietary pattern. RESULTS We identified four dietary patterns-named "animal products," "unsaturated fats," "vitamins and fiber," and "starch rich," that explain 75% of the total variance in nutrient intake in this population. After allowing for all the four patterns, positive associations were found for the animal products and the starch rich patterns, the OR for the highest versus the lowest quartiles being 2.03 (95% confidence interval [CI], 1.29-3.19) and 1.69 (95% CI, 1.02-2.79), respectively; an inverse association emerged for the vitamins and fiber pattern (OR, 0.55; 95% CI, 0.35-0.86), whereas no association was observed for the unsaturated fats pattern (OR, 1.13; 95% CI, 0.71-1.78). CONCLUSIONS A diet characterized by a high consumption of meat and other animal products, as well as of (refined) cereals and sugars, is positively associated with pancreatic cancer risk, whereas a diet rich in fruit and vegetables is inversely associated.
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Affiliation(s)
- Cristina Bosetti
- Dipartimento di Epidemiologia, Istituto di Ricerche Farmacologiche Mario Negri Milan, Italy.
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He K, Xun P, Brasky TM, Gammon MD, Stevens J, White E. Types of fish consumed and fish preparation methods in relation to pancreatic cancer incidence: the VITAL Cohort Study. Am J Epidemiol 2013; 177:152-60. [PMID: 23221729 DOI: 10.1093/aje/kws232] [Citation(s) in RCA: 27] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022] Open
Abstract
The associations of types of fish and fish preparation methods with pancreatic cancer risk remain unknown. The authors conducted a prospective cohort study in western Washington State among 66,616 adults, aged 50-76 years, who participated in the VITamins And Lifestyle cohort study. Diet was assessed by a food frequency questionnaire. Pancreatic cancer cases were identified by linkage to the Surveillance, Epidemiology, and End Results cancer registry. During an average follow-up of 6.8 years, 151 participants developed pancreatic cancer (adenocarcinoma). Long-chain (n-3) polyunsaturated fatty acids (LC-PUFAs) and nonfried fish intake were inversely associated with pancreatic cancer incidence. When the highest and lowest tertiles of exposure were compared, the multivariable-adjusted hazard ratio of pancreatic cancer was 0.62 (95% confidence interval: 0.40, 0.98) (P(trend) = 0.08) for LC-PUFAs and 0.55 (95% confidence interval: 0.34, 0.88) (P(trend) = 0.045) for nonfried fish. Docosahexaenoic acid showed a greater inverse association with pancreatic cancer than eicosapentaenoic acid. No statistically significant associations were observed with fried fish and shellfish consumption. The potential health impact of fish consumption may depend on the types of fish consumed and fish preparation methods. LC-PUFAs, particularly docosahexaenoic acid, and nonfried fish, but not shellfish or fried fish, may be beneficial in the primary prevention of pancreatic cancer.
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Affiliation(s)
- Ka He
- Department of Nutrition, Gillings School of Global Public Health, University of North Carolina at Chapel Hill, Chapel Hill, North Carolina, USA.
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The differential effect of NAT2 variant alleles permits refinement in phenotype inference and identifies a very slow acetylation genotype. PLoS One 2012; 7:e44629. [PMID: 22970273 PMCID: PMC3435299 DOI: 10.1371/journal.pone.0044629] [Citation(s) in RCA: 42] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/27/2012] [Accepted: 08/06/2012] [Indexed: 01/23/2023] Open
Abstract
Indirect evidences suggest that acetylation phenotype categories are heterogeneous and that subcategories, related to specific NAT2 variant alleles might exist. We analyzed the in vivo acetylation phenotype and genotype in 504 north-American subjects of Caucasian origin. The analyses of the SNPs rs1801280 and rs1799930 allowed the discrimination of five categories with different acetylation status within the study population. These categories are related to the distinct effect of NAT2 alleles on the acetylation status in vivo and to the occurrence of a gene-dose effect. These five phenotype categories, from higher to lower acetylation capacity, correspond to the genotypes NAT2*4/*4, NAT2*4/*5 or *4/*6, NAT2*5/*5, NAT2*5/*6 and NAT2*6/*6 (p≤0.001 for all comparisons). The NAT2*6/*6 genotype correspond to a phenotype category of very-slow acetylators. The refinement in phenotype prediction may help to identify risks associated to phenotype subcategories, and warrants the re-analysis of previous studies that may have overlooked phenotype subcategory-specific risks.
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Deziel NC, Buckley TJ, Sinha R, Abubaker S, Platz EA, Strickland PT. Comparability and repeatability of methods for estimating the dietary intake of the heterocyclic amine contaminant 2-amino-1-methyl-6-phenylimidazo[4,5b]pyridine (PhIP). Food Addit Contam Part A Chem Anal Control Expo Risk Assess 2012; 29:1202-11. [PMID: 22571725 PMCID: PMC3412362 DOI: 10.1080/19440049.2012.682657] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/28/2022]
Abstract
Inconsistent risk estimates for dietary heterocyclic amine (HCA) exposure and cancers may be due to differences in exposure assessment methods and the associated measurement error. We evaluated repeatability and comparability of intake estimates of the HCA 2-amino-1-methyl-6-phenylimidazo[4,5b]pyridine (PhIP) among two food frequency questionnaire (FFQ) collections, three diary collections, and three measurements of urinary PhIP and its metabolites in 36 non-smokers in Baltimore, Maryland, during 2004-2005. Collections spanned ∼9 months. Method repeatability was characterised with intraclass correlation coefficients (ICCs). Comparability among methods was assessed with Spearman correlation coefficients. Within-subject variability in PhIP intake was comparably high across all methods (ICCs of 0.20, 0.30, and 0.15 for FFQ, diary, and creatinine-adjusted urinary PhIP, respectively). Mean diary-based PhIP intake and mean urinary PhIP concentration were strongly correlated when restricting the analysis to participants with at least one non-zero diary-based estimate of PhIP intake (n = 15, r = 0.75, p = 0.001), but not in the full study population (n = 36, r = 0.18, p = 0.28). Mean PhIP intake from the FFQ was not associated with that either based on the diary or urinary PhIP separately, but was modestly correlated with a metric that combined the diary- and biomarker-based approaches (r = 0.30, p = 0.08). The high within-subject variability will result in significantly attenuated associations if a single measure is used to estimate exposure within an epidemiologic study. Improved HCA assessment tools, such as a combination of methods or validated biomarkers that capture long term exposure, are needed.
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Affiliation(s)
- Nicole C Deziel
- Department of Environmental Health Sciences, Johns Hopkins Bloomberg School of Public Health, 615 N. Wolfe St., Baltimore, MD, USA.
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45
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Bracci PM. Obesity and pancreatic cancer: overview of epidemiologic evidence and biologic mechanisms. Mol Carcinog 2012; 51:53-63. [PMID: 22162231 DOI: 10.1002/mc.20778] [Citation(s) in RCA: 150] [Impact Index Per Article: 12.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Abstract
In the United States, pancreatic cancer is characterized by a low 5-yr survival rate of approximately 6%, fewer than 10% of patients diagnosed with localized disease and thus candidates for "curative" surgical resection, increasing incidence and few established risk factors. Similar statistics are observed for other industrialized nations. With new evidence to suggest that pancreatic cancer develops over a number of years, markers that can better identify high risk patients and are applicable to earlier diagnosis hold promise for improving these dire statistics. Obesity is one of the few modifiable risk factors that has been associated with increased risk of pancreatic cancer and also is related to increased risk of diabetes, a condition that in turn has been associated with pancreatic cancer development. Given recent data that nearly 70% of United States adults are overweight or obese, a clarification of the complex association between obesity and pancreatic cancer may disclose targets for prevention and intervention to decrease incidence and improve prognosis of this highly fatal disease. An overview of the current epidemiology and hypothesized biological mechanisms involved in the obesity-pancreatic cancer association are presented.
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Affiliation(s)
- Paige M Bracci
- Department of Epidemiology & Biostatistics, School of Medicine, University of California, San Francisco, California 94118-1944, USA
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46
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Anderson KE, Mongin SJ, Sinha R, Stolzenberg-Solomon R, Gross MD, Ziegler RG, Mabie JE, Risch A, Kazin SS, Church TR. Pancreatic cancer risk: associations with meat-derived carcinogen intake in the Prostate, Lung, Colorectal, and Ovarian Cancer Screening Trial (PLCO) cohort. Mol Carcinog 2012; 51:128-37. [PMID: 22162237 PMCID: PMC3516181 DOI: 10.1002/mc.20794] [Citation(s) in RCA: 49] [Impact Index Per Article: 4.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Abstract
BACKGROUND Epidemiological studies report positive associations between high-temperature cooked meat intake and pancreatic cancer. We assessed associations between dietary intake of heterocyclic amines (HCAs) and benzo(a)pyrene (BaP)-mutagens formed in meat cooked at high temperatures-and incident exocrine pancreatic cancer in a prospective cohort. METHODS The 62 581 subjects randomized to screening in the Prostate, Lung, Colorectal, and Ovarian Screening Trial (PLCO) who completed an initial dietary survey that assessed meat intake, cooking methods, and doneness preferences defined the cohort. Subjects were surveyed annually for incident cancers through 2007. A National Cancer Institute research database (CHARRED) was used to estimate HCA and BaP intake and a Mutagenic Activity Index (MAI) from survey data. Proportional hazard ratios (HRs) for risk of pancreatic cancer were estimated from multi-variate Cox regression models by quintile of intake, with the lowest quintile as the referent. RESULTS During follow-up (median: 10 yr), 248 cases of exocrine pancreatic cancer were confirmed. Preferences for well and very well done meat were generally associated with increased risks. Significant elevations in pancreatic cancer risk were found in upper quintiles of MAI, and individual mutagens 2-amino-3,4,8-trimethylimidazo[4,5-f]quinoxaline (DiMeIQx) and 2-amino-3,8-dimethylimidazo[4,5-f]quinoxaline (MeIQx). Compared to the lowest quintile of MAI, the third and fifth quintiles brought HRs of 1.86 (1.22, 2.85) and 1.87 (1.16, 3.02), respectively. These three exposures exhibited significant (P-trend: 0.01-0.03) positive trends in risk as their levels increased CONCLUSION Consuming well-done meat cooked at high temperatures, which contains high mutagen levels, appears to confer increased risk of pancreatic cancer.
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Affiliation(s)
- Kristin E. Anderson
- Division of Epidemiology and Community Health, University of Minnesota School of Public, Health, Minneapolis, MN
- University of Minnesota Masonic Cancer Center, Minneapolis, MN
| | - Steven J. Mongin
- University of Minnesota Masonic Cancer Center, Minneapolis, MN
- Division of Environmental Health Sciences, University of Minnesota School of Public Health, Minneapolis, MN
| | - Rashmi Sinha
- Epidemiology and Biostatistics Program, Division of Cancer Epidemiology and Genetics, National Cancer Institute, National Institutes of Health, Department of Health and Human Services, Rockville, MD
| | - Rachael Stolzenberg-Solomon
- Epidemiology and Biostatistics Program, Division of Cancer Epidemiology and Genetics, National Cancer Institute, National Institutes of Health, Department of Health and Human Services, Rockville, MD
| | - Myron D. Gross
- University of Minnesota Masonic Cancer Center, Minneapolis, MN
- Laboratory Medicine and Pathology, University of Minnesota Medical School
| | - Regina G. Ziegler
- Epidemiology and Biostatistics Program, Division of Cancer Epidemiology and Genetics, National Cancer Institute, National Institutes of Health, Department of Health and Human Services, Rockville, MD
| | | | - Adam Risch
- Information Management Services, Inc., Rockville, MD
| | | | - Timothy R. Church
- University of Minnesota Masonic Cancer Center, Minneapolis, MN
- Division of Environmental Health Sciences, University of Minnesota School of Public Health, Minneapolis, MN
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Daniel CR, Schwartz KL, Colt JS, Dong LM, Ruterbusch JJ, Purdue MP, Cross AJ, Rothman N, Davis FG, Wacholder S, Graubard BI, Chow WH, Sinha R. Meat-cooking mutagens and risk of renal cell carcinoma. Br J Cancer 2011; 105:1096-104. [PMID: 21897389 PMCID: PMC3185955 DOI: 10.1038/bjc.2011.343] [Citation(s) in RCA: 30] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022] Open
Abstract
BACKGROUND High-temperature cooked meat contains two families of carcinogens, heterocyclic amines (HCAs) and polycyclic aromatic hydrocarbons (PAHs). Given the kidneys' role in metabolism and urinary excretion of these compounds, we investigated meat-derived mutagens, as well as meat intake and cooking methods, in a population-based case-control study conducted in metropolitan Detroit and Chicago. METHODS Newly diagnosed, histologically confirmed adenocarcinoma of the renal parenchyma (renal cell carcinoma (RCC)) cases (n=1192) were frequency matched on age, sex, and race to controls (n=1175). The interviewer-administered Diet History Questionnaire (DHQ) included queries for meat-cooking methods and doneness with photographic aids. Levels of meat mutagens were estimated using the DHQ in conjunction with the CHARRED database. RESULTS The risk of RCC increased with intake of barbecued meat (P(trend)=0.04) and the PAH, benzo(a)pyrene (BaP) (multivariable-adjusted odds ratio and 95% confidence interval, highest vs lowest quartile: 1.50 (1.14, 1.95), P(trend)=0.001). With increasing BaP intake, the risk of RCC was more than twofold in African Americans and current smokers (P(interaction)<0.05). We found no association for HCAs or overall meat intake. CONCLUSION BaP intake, a PAH in barbecued meat, was positively associated with RCC. These biologically plausible findings advocate further epidemiological investigation into dietary intake of BaP and risk of RCC.
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Affiliation(s)
- C R Daniel
- Division of Cancer Epidemiology and Genetics, National Cancer Institute, National Institutes of Health, 6120 Executive Boulevard, Rockville, MD 20852, USA.
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Deziel NC, Strickland PT, Platz EA, Abubaker S, Buckley TJ. Comparison of standard methods for assessing dietary intake of benzo[a]pyrene. Cancer Epidemiol Biomarkers Prev 2011; 20:962-70. [PMID: 21430297 PMCID: PMC4618457 DOI: 10.1158/1055-9965.epi-10-1344] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022] Open
Abstract
BACKGROUND Inconsistent presence and strength of associations between dietary benzo[a]pyrene (BaP) exposure and cancers may be due to differences in exposure assessment methods. Thus, we determined correlations of usual meat and BaP intake among three methods: food frequency questionnaires (FFQ), diet diaries, and a biomarker. METHODS Thirty-six nonsmokers were recruited in Baltimore, MD during 2004-2005. Meat and BaP intake estimated from baseline and follow-up FFQs combined with a BaP residue database (FFQ-RD), mean meat and BaP intake estimated from three diet diaries coupled with the residue database (Diary-RD), and mean of three urinary 1-hydroxypyrene glucuronide (1-OHPG) measurements were compared using Spearman correlations. Collections spanned approximately nine months. RESULTS BaP intakes from meat from the baseline [median = 6.4, interquartile range (IQR) = 13.9 ng/d] and follow-up FFQ-RD (median = 7.3, IQR = 35.7 ng/d) were higher than the Diary-RD (median = 1.1, IQR = 7.4 ng/d). Mean 1-OHPG concentration was weakly correlated with mean meat intake (r = 0.33, P = 0.05) and BaP intake from meat (r = 0.27, P = 0.11) from the Diary-RD. Mean BaP intake estimated from the Diary-RD was positively correlated with the follow-up (r = 0.35, P = 0.04) but not baseline (r = 0.20, P = 0.24) FFQ; the converse was true for meat intake. CONCLUSIONS Diary-RD estimates were supported by biomarker measurements, but considerable unexplained variability remained. Limited correlation among the dietary BaP exposure assessment methods could be due to differences in timeframes covered by the assessments, interpersonal variability in metabolism, deficiencies in the residue database, or nondietary exposures to BaP. IMPACT Limited correlation in estimated BaP intake among standard methods may contribute to inconsistent epidemiology of BaP and cancer.
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Affiliation(s)
- Nicole C Deziel
- Department of Environmental Health Sciences, Johns Hopkins Bloomberg School of Public Health, Baltimore, Maryland, USA.
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Alaejos MS, Afonso AM. Factors That Affect the Content of Heterocyclic Aromatic Amines in Foods. Compr Rev Food Sci Food Saf 2011. [DOI: 10.1111/j.1541-4337.2010.00141.x] [Citation(s) in RCA: 189] [Impact Index Per Article: 14.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
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Alexandrov K, Rojas M, Satarug S. The critical DNA damage by benzo(a)pyrene in lung tissues of smokers and approaches to preventing its formation. Toxicol Lett 2010; 198:63-8. [DOI: 10.1016/j.toxlet.2010.04.009] [Citation(s) in RCA: 75] [Impact Index Per Article: 5.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/25/2010] [Revised: 04/09/2010] [Accepted: 04/09/2010] [Indexed: 01/12/2023]
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