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Hasegawa K, Inaba Y, Toubou H, Shibazaki T, Iwai-Shimada M, Yamazaki S, Kamijima M, Tsukahara T, Nomiyama T. Prenatal mercury exposure and the secondary sex ratio: The Japan Environment and Children's Study. Reprod Toxicol 2024:108685. [PMID: 39127150 DOI: 10.1016/j.reprotox.2024.108685] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/02/2024] [Revised: 08/05/2024] [Accepted: 08/08/2024] [Indexed: 08/12/2024]
Abstract
Prior research into the association between prenatal mercury (Hg) exposure and the secondary sex ratio has yielded inconclusive and conflicting results. Notably, no study has used cord blood Hg measurement in this context. Also, the differences in Hg species and the potential modifying role of selenium (Se) on this association remain unexplored. Using data from the Japan Environment and Children's Study, we analyzed mother-child pairs with available data for concentrations of total mercury (THg) and Se in maternal blood during late pregnancy, and THg, inorganic mercury (IHg), methylmercury (MeHg), and Se in cord blood. Logistic regression models were employed to examine the association between Hg and Se biomarkers and the secondary sex ratio. Out of the total sample of 3,698 children, 1,877 (50.8%) were male, corresponding to an overall secondary sex ratio of 1.03. After adjusting for maternal age and parity, no significant associations were observed between THg concentrations of maternal blood and the secondary sex ratio. Nevertheless, we identified that two-fold increases in THg, IHg, and MeHg concentrations in cord blood were positively associated with increased odds of having a male child, yielding adjusted odds ratios of 1.13 (95%CI: 1.04, 1.22), 1.12 (1.03, 1.21), and 1.12 (1.03, 1.22), respectively. When stratified by the median Se concentrations, no apparent differences were detected in the associations between Hg concentrations and the secondary sex ratio. In summary, elevated Hg concentrations in cord blood, but not maternal blood, were associated with an increased probability of male births.
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Affiliation(s)
- Kohei Hasegawa
- Department of Preventive Medicine and Public Health, Shinshu University School of Medicine, 3-1-1 Asahi, Matsumoto, Nagano 390-8621, Japan.
| | - Yuji Inaba
- Center for Perinatal, Pediatric, and Environmental Epidemiology, Shinshu University School of Medicine, 3-1-1 Asahi, Matsumoto, Nagano 390-8621, Japan; Department of Neurology, Nagano Children's Hospital, 3100 Toyoshina, Azumino, Nagano 399-8288, Japan; Life Science Research Center, Nagano Children's Hospital, 3100 Toyoshina, Azumino, Nagano 399-8288, Japan
| | - Hirokazu Toubou
- Department of Preventive Medicine and Public Health, Shinshu University School of Medicine, 3-1-1 Asahi, Matsumoto, Nagano 390-8621, Japan
| | - Takumi Shibazaki
- Department of Pediatrics, Shinshu University School of Medicine, 3-1-1 Asahi, Matsumoto, Nagano 390-8621, Japan
| | - Miyuki Iwai-Shimada
- Japan Environment and Children's Study Programme Office, National Institute for Environmental Studies, 16-2 Onogawa, Tsukuba, Ibaraki 305-8506, Japan
| | - Shin Yamazaki
- Japan Environment and Children's Study Programme Office, National Institute for Environmental Studies, 16-2 Onogawa, Tsukuba, Ibaraki 305-8506, Japan
| | - Michihiro Kamijima
- Department of Occupational and Environmental Health, Nagoya City University Graduate School of Medical Sciences, 1 Kawasumi, Mizuho-cho, Mizuho-ku, Nagoya, Aichi 467-8601, Japan
| | - Teruomi Tsukahara
- Department of Occupational Medicine, Shinshu University School of Medicine, 3-1-1 Asahi, Matsumoto, Nagano 390-8621, Japan; Department of Preventive Medicine and Public Health, Shinshu University School of Medicine, 3-1-1 Asahi, Matsumoto, Nagano 390-8621, Japan; Department of Neurology, Nagano Children's Hospital, 3100 Toyoshina, Azumino, Nagano 399-8288, Japan
| | - Tetsuo Nomiyama
- Department of Preventive Medicine and Public Health, Shinshu University School of Medicine, 3-1-1 Asahi, Matsumoto, Nagano 390-8621, Japan; Department of Neurology, Nagano Children's Hospital, 3100 Toyoshina, Azumino, Nagano 399-8288, Japan; Department of Occupational Medicine, Shinshu University School of Medicine, 3-1-1 Asahi, Matsumoto, Nagano 390-8621, Japan
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Xiao R, Dong L, Xie B, Liu B. A diet-wide Mendelian randomization analysis: causal effects of dietary habits on type 2 diabetes. Front Nutr 2024; 11:1414678. [PMID: 39119465 PMCID: PMC11306177 DOI: 10.3389/fnut.2024.1414678] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/04/2024] [Accepted: 07/09/2024] [Indexed: 08/10/2024] Open
Abstract
Background Traditional clinical studies have indicated a link between certain food intakes and type 2 diabetes (T2D), but the causal relationships between different dietary habits and T2D remain unknown. Using Mendelian randomization (MR) approaches, we investigated the potential causal association between dietary habits and T2D risk. Methods We collected publicly available genome-wide association studies' summary statistics for 18 dietary habits from the UK Biobank and T2D data from the DIAbetes Genetics Replication And Meta-analysis (DIAGRAM) consortium. We applied the inverse variance weighted (IVW) method, supplemented with the MR-Egger method, weighted median method (WMM), simple method, weighted mode, MR-Egger regression, and the MR pleiotropy residual sum and outlier test to determine whether a particular diet was causal for T2D. Results Reliable and robust MR estimates demonstrated that poultry intake has a causal effect on a higher risk of T2D (IVW: OR 6.30, 95% CI 3.573-11.11, p = 2.02e - 10; WMM: OR 5.479, 95% CI 0.2758-10.88, p = 1.19e - 06). Conversely, dried fruit intake (IVW: OR 0.380, 95% CI 0.237-0.608, p = 5.57e - 05; WMM: OR 0.450, 95% CI 0.321-0.630, p = 3.33e - 06) and cereal intake (IVW: OR 0.455, 95% CI 0.317-0.653, p = 1.924e - 05; WMM: OR 0.513, 95% CI 0.379-0.694, p = 1.514e - 05) were causally associated with T2D as protective factors. Sensitivity analyses confirmed the reliability and robustness of these findings. Discussion Our study established the causal effects of poultry intake, dried fruit intake, and cereal intake on T2D, identifying poultry intake as a risk factor and the other two as protective factors. Further research into potential mechanisms is required to validate these novel findings.
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Affiliation(s)
- Rui Xiao
- Department of General Practice, Yongchuan Hospital of Chongqing Medical University, Chongqing Medical University, Chongqing, China
| | - Li Dong
- Department of Nephrology and Rheumatology, Yongchuan Hospital of Chongqing Medical University, Chongqing Medical University, Chongqing, China
| | - Bo Xie
- Department of General Practice, Yongchuan Hospital of Chongqing Medical University, Chongqing Medical University, Chongqing, China
| | - Beizhong Liu
- Central Laboratory of Yongchuan Hospital, Chongqing Medical University, Chongqing, China
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Sebai I, Deaconu A, Mobetty F, Nardocci M, Ing A, Batal M. Measurement of diet quality among First Nations peoples in Canada and associations with health: a scoping review. Nutr Rev 2024; 82:695-708. [PMID: 37421656 DOI: 10.1093/nutrit/nuad073] [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] [Indexed: 07/10/2023] Open
Abstract
BACKGROUND Given the increasing number and the diversity of dietary quality indices used for research, and the differences between settings, there is a need to identify valid indices of dietary quality in different contexts and populations and to identify their associations with health-related outcomes. OBJECTIVES The primary objective of this scoping review is to identify the tools used in determining dietary quality among First Nations and to describe the changes in diet. The second objective is to describe the associations identified in studies that have measured the relationship between health and dietary quality among First Nations; and the third objective is to identify factors associated with diet quality. METHODS PubMed, Embase, CINAHL, Global Health, and Web of Science were searched from inception to June 2021 and updated in February 2022. Articles were included if the research subjects were First Nations, or if articles reported disaggregated subset data for First Nations. Eligible studies focused on nutrition and diet and were published in English or French. RESULTS A total of 151 articles were included in the analysis. Studies used several indicators to measure if individuals adhered to dietary guidelines. Traditional food consumption was frequently used as an indicator of diet quality (n = 96). The consumption of store-bought foods was used as an indicator in 28 studies. Some studies used other diet quality indicators such as the Healthy Eating Index (n = 5) and ultra-processed food "NOVA" classification (n = 6). A trend for decreasing traditional food intake over time was apparent, alongside an increase in store-bought food intake. This trend was accompanied with declining health status, including the increased prevalence of overweight and obesity, diabetes, metabolic diseases, and dental caries. CONCLUSION This scoping review showed that diet quality among First Nations is improved when traditional foods are consumed. Reduced diet quality was associated with increased risk of noncommunicable diseases.
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Affiliation(s)
- Ines Sebai
- Canada Research Chair in Nutrition and Health Inequalities (CIENS), Montreal, Canada
- TRANSNUT, Département de Nutrition, Faculté de Médecine, Université de Montréal, Montreal, Canada
- Centre de Recherche en Santé Publique, Université de Montréal et CIUSSS du Centre-Sud-de-l'Île-de-Montréal, Montreal, Canada
| | - Ana Deaconu
- Canada Research Chair in Nutrition and Health Inequalities (CIENS), Montreal, Canada
- TRANSNUT, Département de Nutrition, Faculté de Médecine, Université de Montréal, Montreal, Canada
| | - Fabrice Mobetty
- Canada Research Chair in Nutrition and Health Inequalities (CIENS), Montreal, Canada
- TRANSNUT, Département de Nutrition, Faculté de Médecine, Université de Montréal, Montreal, Canada
- Centre de Recherche en Santé Publique, Université de Montréal et CIUSSS du Centre-Sud-de-l'Île-de-Montréal, Montreal, Canada
| | - Milena Nardocci
- Canada Research Chair in Nutrition and Health Inequalities (CIENS), Montreal, Canada
- TRANSNUT, Département de Nutrition, Faculté de Médecine, Université de Montréal, Montreal, Canada
| | - Amy Ing
- Canada Research Chair in Nutrition and Health Inequalities (CIENS), Montreal, Canada
- TRANSNUT, Département de Nutrition, Faculté de Médecine, Université de Montréal, Montreal, Canada
| | - Malek Batal
- Canada Research Chair in Nutrition and Health Inequalities (CIENS), Montreal, Canada
- TRANSNUT, Département de Nutrition, Faculté de Médecine, Université de Montréal, Montreal, Canada
- Centre de Recherche en Santé Publique, Université de Montréal et CIUSSS du Centre-Sud-de-l'Île-de-Montréal, Montreal, Canada
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Lajeunesse-Trempe F, Piché ME, Poirier P, Tchernof A, Ayotte P. Adiposity Phenotypes and Associated Cardiometabolic Risk Profile in the Inuit Population of Nunavik. Nutrients 2024; 16:725. [PMID: 38474854 DOI: 10.3390/nu16050725] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/28/2024] [Revised: 02/27/2024] [Accepted: 02/29/2024] [Indexed: 03/14/2024] Open
Abstract
The Inuit population of Nunavik is faced with a significant rise in the prevalence of obesity [body mass index (BMI) ≥ 30 kg/m2], but the impact on cardiometabolic health is unclear. The aim of this study was to characterize adiposity phenotypes and explore their associations with cardiometabolic risk factors among Nunavimmiut men and women. We used data obtained from 1296 Inuit who participated in the Qanuilirpitaa? 2017 Nunavik Inuit Health survey. Collected information included demographics, anthropometric measurements including visceral fat level (VFL) measured using electrical bioimpedance, biomarkers, hemodynamics, medical history and medication list. Adjusted population-weighted linear regressions were conducted to assess associations between body fat distribution and cardiometabolic risk factors. The accuracy and cut-off points of anthropometric indices to detect cardiometabolic abnormalities was evaluated by area under the receiver operator characteristic curve (AUROC) and a maximum Youden index analysis. Among Nunavimmiut (mean age 38.8 years [95%CI: 38.4 to 39.3]), obesity was observed in 42.8% of women and 25.6% of men. Compared to men, women presented a higher prevalence of abdominal obesity (78.8% vs. 46.4% in men, p < 0.05) and elevated VFL (54.4% vs. 20.1% with an InBody level ≥ 13, p < 0.05). Indices of global fat distribution and abdominal adiposity including VFL provided poor to moderate ability to detect cardiometabolic abnormalities (AUROC between 0.64 and 0.79). This analysis revealed that despite a high prevalence of abdominal obesity, particularly among women, anthropometric measurements of adiposity are inconsistently associated cardio-metabolic risk factors in Inuit adults of Nunavik.
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Affiliation(s)
- Fannie Lajeunesse-Trempe
- École de Nutrition, Université Laval, Québec, QC G1V 0A6, Canada
- Institut Universitaire de Cardiologie et de Pneumologie de Québec, Québec, QC G1V 4G5, Canada
- Faculté de Pharmacie, Université Laval, Québec, QC G1V 0A6, Canada
| | - Marie-Eve Piché
- Institut Universitaire de Cardiologie et de Pneumologie de Québec, Québec, QC G1V 4G5, Canada
- Département de Médecine, Université Laval, Québec, QC G1V 0A6, Canada
| | - Paul Poirier
- Institut Universitaire de Cardiologie et de Pneumologie de Québec, Québec, QC G1V 4G5, Canada
- Faculté de Pharmacie, Université Laval, Québec, QC G1V 0A6, Canada
| | - André Tchernof
- École de Nutrition, Université Laval, Québec, QC G1V 0A6, Canada
- Institut Universitaire de Cardiologie et de Pneumologie de Québec, Québec, QC G1V 4G5, Canada
| | - Pierre Ayotte
- Département de Médecine Sociale et Préventive, Université Laval, Québec, QC G1V 0A6, Canada
- Centre de Recherche du CHU de Québec-Université Laval, Québec, QC G1V 0A6, Canada
- Institut National de Santé Publique du Québec, Québec, QC G1V 5B3, Canada
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Chamorro F, Otero P, Carpena M, Fraga-Corral M, Echave J, Seyyedi-Mansour S, Cassani L, Prieto MA. Health Benefits of Oily Fish: Illustrated with Blue Shark ( Prionace glauca), Shortfin Mako Shark ( Isurus oxyrinchus), and Swordfish ( Xiphias gladius). Nutrients 2023; 15:4919. [PMID: 38068777 PMCID: PMC10708079 DOI: 10.3390/nu15234919] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/09/2023] [Revised: 11/11/2023] [Accepted: 11/14/2023] [Indexed: 12/18/2023] Open
Abstract
Oily fish is a rich source of energy, proteins, essential amino acids, lipids, vitamins, and minerals. Among the macronutrients with the highest contribution are lipids, mainly long-chain omega 3 polyunsaturated fatty acids (ω-3 LC-PUFA), especially eicosapentaenoic acid (EPA) and docosahexaenoic acid (DHA). Both EPA and DHA play a beneficial role in promoting health and preventing many diseases, including cardiovascular diseases, such as stroke and acute myocardial infarction. They also contribute to the prevention of neurological, metabolic, and immune-system-related diseases, as well as supporting body-weight control. Oily fish consumption is also important at different stages of human life, from conception to old age. For example, DHA plays an important role in brain and retina development during fetal development and in the first two years of life, as it positively influences neurodevelopment, such as visual acuity, and cognitive functions. In contrast with the possible health benefits of the intake of oily fish, the presence of certain chemical pollutants, for example, heavy metals, can be a risk for the health of consumers, mainly in sensitive population groups such as pregnant women and children under 2 years of age. The presence of these pollutants is influenced to a greater extent by fish species, their role in the trophic chain, and their size. However, various studies state that the benefits outweigh the risk of consuming certain species. This review will be focused on the health benefits of the intake of three oily fish species, namely blue shark (Prionace glauca), shortfin mako shark (Isurus oxyrinchus), and swordfish (Xiphias gladius).
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Affiliation(s)
| | | | | | | | | | | | | | - Miguel A. Prieto
- Nutrition and Bromatology Group, Department of Analytical Chemistry and Food Science, Instituto de Agroecoloxía e Alimentación (IAA)—CITEXVI, Universidade de Vigo, 36310 Vigo, Spain; (F.C.); (P.O.); (M.C.); (M.F.-C.); (J.E.); (S.S.-M.); (L.C.)
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Deen L, Clark A, Hougaard KS, Petersen KU, Frederiksen M, Wise LA, Wesselink AK, Meyer HW, Bonde JP, Tøttenborg SS. Exposure to airborne polychlorinated biphenyls and type 2 diabetes in a Danish cohort. ENVIRONMENTAL RESEARCH 2023; 237:117000. [PMID: 37634693 DOI: 10.1016/j.envres.2023.117000] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/18/2022] [Revised: 04/17/2023] [Accepted: 08/25/2023] [Indexed: 08/29/2023]
Abstract
BACKGROUND Previous research indicates an association between higher-chlorinated polychlorinated biphenyls (PCBs) and type 2 diabetes (T2D). However, less is known about the extent to which PCB exposure in indoor air, composed primarily of lower-chlorinated PCBs, affects T2D risk. We assessed the association between indoor air exposure to PCBs in residential buildings and T2D incidence. METHODS The register-based 'Health Effects of PCBs in Indoor Air' (HESPAIR) cohort comprises 51,921 Danish residents of two residential areas with apartments built with and without PCB-containing materials (reference apartments). We assessed exposure status by combining register-based information on relocation history with extrapolated values of exposure based on PCB-measurements in indoor air from subsets of the apartments. T2D cases were identified in the Danish registers during 1977-2018. We estimated adjusted hazard ratios (HR) and 95% confidence intervals (CI) using Cox regression analyses with time-varying exposure. RESULTS We identified 2737 incident T2D cases during the follow-up. Exposure to ≥3300 ng/m3 PCB × year (3rd tertile of PCByear) was associated with higher risk of T2D (HR 1.15, 95% CI 1.02-1.30) compared with exposure to <300 ng/m3 PCB × year (reference). However, among individuals with lower cumulated PCByear, the risk was similar to residents with exposure <300 ng/m3 PCB × year (300-899 ng/m3 PCB × year: HR 0.98, 95% CI 0.87-1.11; 900-3299 ng/m3 PCB × year: HR 0.96, 95% CI 0.83-1.10). DISCUSSION We observed a marginally higher risk of T2D, but there was no evidence of an exposure-response relationship. The results should be interpreted with caution until confirmed in other independent studies of PCB exposure in indoor air.
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Affiliation(s)
- Laura Deen
- Department of Occupational and Environmental Medicine, Copenhagen University Hospital - Bispebjerg and Frederiksberg Hospital, Denmark; Department of Public Health, The Faculty of Health Sciences, University of Copenhagen, Denmark.
| | | | - Karin Sørig Hougaard
- Department of Public Health, The Faculty of Health Sciences, University of Copenhagen, Denmark; National Research Centre for the Working Environment, Denmark
| | - Kajsa Ugelvig Petersen
- Department of Occupational and Environmental Medicine, Copenhagen University Hospital - Bispebjerg and Frederiksberg Hospital, Denmark
| | | | - Lauren A Wise
- Department of Epidemiology, School of Public Health, Boston University, United States
| | - Amelia K Wesselink
- Department of Epidemiology, School of Public Health, Boston University, United States
| | - Harald William Meyer
- Department of Occupational and Environmental Medicine, Copenhagen University Hospital - Bispebjerg and Frederiksberg Hospital, Denmark
| | - Jens Peter Bonde
- Department of Occupational and Environmental Medicine, Copenhagen University Hospital - Bispebjerg and Frederiksberg Hospital, Denmark; Department of Public Health, The Faculty of Health Sciences, University of Copenhagen, Denmark
| | - Sandra Søgaard Tøttenborg
- Department of Occupational and Environmental Medicine, Copenhagen University Hospital - Bispebjerg and Frederiksberg Hospital, Denmark; Department of Public Health, The Faculty of Health Sciences, University of Copenhagen, Denmark
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Bryl A, Mrugacz M, Falkowski M, Zorena K. A Mediterranean Diet May Be Protective in the Development of Diabetic Retinopathy. Int J Mol Sci 2023; 24:11145. [PMID: 37446322 DOI: 10.3390/ijms241311145] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/15/2023] [Revised: 07/03/2023] [Accepted: 07/04/2023] [Indexed: 07/15/2023] Open
Abstract
The Mediterranean diet is recognized as one of the healthiest available dietary patterns. This perception results from its beneficial effects on the cardiovascular system and, also, on hypertension, diabetes, and cancer compared with other diets. Its impact on the course of diabetes is assessed in the available scientific literature; however, little information is available about its impact on diabetic retinopathy. The MD is characterized mainly by the consumption of fish, seafood, foods of plant origin, and fresh fruit and vegetables. It is also recommended to consume legumes, which are a source of folic acid, magnesium, iron, and dietary fiber. High consumption of nuts and unrefined grains is also recommended in the MD. Marine fish provide polyunsaturated acids from the omega-3 group. Olive oil plays a very important role, especially olive oil obtained from mechanical pressing. Additionally, olive oil contains vitamins E, K, and polyphenols. Polyphenols, which are present in a diverse range of vegetables, fruits, and seeds, have the ability to decrease oxidative stress, inflammation, and insulin resistance. Resveratrol is naturally found in grape skins and seeds, as well as in peanuts and berries, and is a constituent of red wine. Resveratrol can inhibit increased vascular leakage and loss of pericytes and regulate the level of VEGF protein in the retina, thus inhibiting the development of DR. Consumption of fruits, vegetables, fish, and olive oil may be correlated with a lower risk of diabetic retinopathy. This paper presents the definition of the Mediterranean diet and its influence on the course of diabetes and diabetic retinopathy.
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Affiliation(s)
- Anna Bryl
- Department of Ophthalmology and Eye Rehabilitation, Medical University of Bialystok, 15-089 Bialystok, Poland
| | - Małgorzata Mrugacz
- Department of Ophthalmology and Eye Rehabilitation, Medical University of Bialystok, 15-089 Bialystok, Poland
| | - Mariusz Falkowski
- PhD Studies, Medical University of Bialystok, 15-089 Bialystok, Poland
| | - Katarzyna Zorena
- Department of Immunobiology and Environmental Microbiology, Medical University of Gdansk, 80-211 Gdansk, Poland
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Li P, Xu Y, Li Z, Cheng X, Jia C, Zhang S, An J, Zhang X, Yan Y, He M. Association between polychlorinated biphenyls exposure and incident type 2 diabetes mellitus: A nested case-control study. ENVIRONMENTAL RESEARCH 2023; 228:115743. [PMID: 37001846 DOI: 10.1016/j.envres.2023.115743] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/09/2023] [Revised: 03/15/2023] [Accepted: 03/22/2023] [Indexed: 05/16/2023]
Abstract
BACKGROUND Previous epidemiological studies indicated that the association between polychlorinated biphenyls (PCB) and type 2 diabetes mellitus (T2DM) was inconclusive. OBJECTIVE We investigated the association between PCBs exposure and incident T2DM in a nested case-control study, and further explored the relationship between PCBs and 5-year fasting blood glucose (FBG) changes. METHODS Baseline concentrations of seven indicator-PCB (PCB-28, 52, 101, 118, 138, 153, 180) were measured in 1006 pairs of incident T2DM cases and matched controls nested within the Dongfeng-Tongji cohort. Conditional logistic regression models and pre-adjusted residuals method were used to assess the associations between PCBs and incident T2DM. We further computed beta coefficients (βs) of 5-year FBG changes using multivariable generalized linear regression. RESULTS Non-dioxin-like PCBs (NDL-PCBs) were significantly associated with higher T2DM incidence after adjustment for all covariates. Significant differences were observed for extreme quartiles comparisons (Q4 vs. Q1) of PCBs except PCB-138, and the incidence of T2DM were 1- to 3-fold higher among those in the highest versus lowest PCBs quartiles. Serum NDL-PCBs were positively associated with changes in FBG (P for overall association ≤0.01). Additionally, triglycerides mediated the associations between PCBs and T2DM incidence. CONCLUSION Our findings showed positive associations of NDL-PCBs with incident T2DM and 5-year FBG changes. PCBs increased incident T2DM via lipid metabolic pathways.
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Affiliation(s)
- Peiwen Li
- Department of Occupational and Environmental Health and State Key Laboratory of Environmental Health for Incubating, School of Public Health, Tongji Medical College, Huazhong University of Science and Technology, Wuhan 430030, China
| | - Yali Xu
- Department of Occupational and Environmental Health and State Key Laboratory of Environmental Health for Incubating, School of Public Health, Tongji Medical College, Huazhong University of Science and Technology, Wuhan 430030, China
| | - Zhaoyang Li
- Department of Occupational and Environmental Health and State Key Laboratory of Environmental Health for Incubating, School of Public Health, Tongji Medical College, Huazhong University of Science and Technology, Wuhan 430030, China
| | - Xu Cheng
- Department of Occupational and Environmental Health and State Key Laboratory of Environmental Health for Incubating, School of Public Health, Tongji Medical College, Huazhong University of Science and Technology, Wuhan 430030, China
| | - Chengyong Jia
- Department of Occupational and Environmental Health and State Key Laboratory of Environmental Health for Incubating, School of Public Health, Tongji Medical College, Huazhong University of Science and Technology, Wuhan 430030, China
| | - Shiyang Zhang
- Department of Occupational and Environmental Health and State Key Laboratory of Environmental Health for Incubating, School of Public Health, Tongji Medical College, Huazhong University of Science and Technology, Wuhan 430030, China
| | - Jun An
- Department of Occupational and Environmental Health and State Key Laboratory of Environmental Health for Incubating, School of Public Health, Tongji Medical College, Huazhong University of Science and Technology, Wuhan 430030, China
| | - Xin Zhang
- Department of Occupational and Environmental Health and State Key Laboratory of Environmental Health for Incubating, School of Public Health, Tongji Medical College, Huazhong University of Science and Technology, Wuhan 430030, China
| | - Yan Yan
- Department of Occupational and Environmental Health and State Key Laboratory of Environmental Health for Incubating, School of Public Health, Tongji Medical College, Huazhong University of Science and Technology, Wuhan 430030, China
| | - Meian He
- Department of Occupational and Environmental Health and State Key Laboratory of Environmental Health for Incubating, School of Public Health, Tongji Medical College, Huazhong University of Science and Technology, Wuhan 430030, China.
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Wu Y, Xie Y, Yuan Y, Xiong R, Hu Y, Ning K, Ha J, Wang W, Han X, He M. The Mediterranean Diet and Age-Related Eye Diseases: A Systematic Review. Nutrients 2023; 15:2043. [PMID: 37432187 PMCID: PMC10181476 DOI: 10.3390/nu15092043] [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: 03/18/2023] [Revised: 04/18/2023] [Accepted: 04/21/2023] [Indexed: 07/12/2023] Open
Abstract
The Mediterranean diet (MD) is a healthy diet pattern that can prevent chronic age-related diseases, especially age-related eye diseases (AREDs) including cataract, glaucoma, age-related macular degeneration (AMD), diabetic retinopathy (DR) and dry eye syndrome (DES). In this study, we systematically reviewed studies in the literature that had reported associations between adherence to the MD and the five above-mentioned AREDs. Randomized controlled trials as well as prospective and retrospective observational studies were included; 1164 studies were identified, of which 1, 2, 9, 2 and 4 studies met our eligibility criteria for cataract, glaucoma, AMD, DR, and DES, respectively. According to these studies, higher MD adherence was associated with reduced risks of incident DR, incident AMD and progression to late AMD, but whether early and neovascular AMD could be alleviated remained to be debated. The results regarding the effects of the MD on DES were mixed, with three studies reporting an associations between MD and decreased severity or incidence of DES, whereas one study reported the opposite. No significant associations were observed between the MD and cataract or glaucoma. Generally, convincing evidence suggested a protective effect of the MD against AMD and DR. However, the evidence for cataract, glaucoma, and DES was less conclusive, and high-quality studies are needed for comprehensive evaluations of the potential benefits of MD on these eye diseases.
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Affiliation(s)
- Yi Wu
- State Key Laboratory of Ophthalmology, Zhongshan Ophthalmic Center, Sun Yat-sen University, Guangdong Provincial Key Laboratory of Ophthalmology and Visual Science, Guangdong Provincial Clinical Research Center for Ocular Diseases, Guangzhou 510060, China; (Y.W.); (Y.Y.); (R.X.); (M.H.)
| | - Ye Xie
- Zhongshan Medical School, Sun Yat-sen University, Guangzhou 510080, China; (Y.X.); (Y.H.)
| | - Yixiong Yuan
- State Key Laboratory of Ophthalmology, Zhongshan Ophthalmic Center, Sun Yat-sen University, Guangdong Provincial Key Laboratory of Ophthalmology and Visual Science, Guangdong Provincial Clinical Research Center for Ocular Diseases, Guangzhou 510060, China; (Y.W.); (Y.Y.); (R.X.); (M.H.)
| | - Ruilin Xiong
- State Key Laboratory of Ophthalmology, Zhongshan Ophthalmic Center, Sun Yat-sen University, Guangdong Provincial Key Laboratory of Ophthalmology and Visual Science, Guangdong Provincial Clinical Research Center for Ocular Diseases, Guangzhou 510060, China; (Y.W.); (Y.Y.); (R.X.); (M.H.)
| | - Yuxin Hu
- Zhongshan Medical School, Sun Yat-sen University, Guangzhou 510080, China; (Y.X.); (Y.H.)
| | - Kang Ning
- Department of Head and Neck Surgery, Sun Yat-sen University Cancer Center, Guangzhou 510060, China;
- Collaborative Innovation Center for Cancer Medicine, State Key Laboratory of Oncology in Southern China, Guangzhou 510060, China
| | - Jason Ha
- Centre for Eye Research Australia, Royal Victorian Eye and Ear Hospital, Melbourne, VIC 3002, Australia;
| | - Wei Wang
- State Key Laboratory of Ophthalmology, Zhongshan Ophthalmic Center, Sun Yat-sen University, Guangdong Provincial Key Laboratory of Ophthalmology and Visual Science, Guangdong Provincial Clinical Research Center for Ocular Diseases, Guangzhou 510060, China; (Y.W.); (Y.Y.); (R.X.); (M.H.)
| | - Xiaotong Han
- State Key Laboratory of Ophthalmology, Zhongshan Ophthalmic Center, Sun Yat-sen University, Guangdong Provincial Key Laboratory of Ophthalmology and Visual Science, Guangdong Provincial Clinical Research Center for Ocular Diseases, Guangzhou 510060, China; (Y.W.); (Y.Y.); (R.X.); (M.H.)
| | - Mingguang He
- State Key Laboratory of Ophthalmology, Zhongshan Ophthalmic Center, Sun Yat-sen University, Guangdong Provincial Key Laboratory of Ophthalmology and Visual Science, Guangdong Provincial Clinical Research Center for Ocular Diseases, Guangzhou 510060, China; (Y.W.); (Y.Y.); (R.X.); (M.H.)
- Centre for Eye Research Australia, Royal Victorian Eye and Ear Hospital, Melbourne, VIC 3002, Australia;
- Ophthalmology, Department of Surgery, University of Melbourne, Melbourne, VIC 3010, Australia
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Tan Q, Wang M, Yu L, Liang R, Liu W, Dong C, Zhang Y, Li M, Ye Z, Wang B, Zhou M, Chen W. Associations of polychlorinated biphenyls exposure with plasma glucose and diabetes in general Chinese population: The mediating effect of lipid peroxidation. ENVIRONMENTAL POLLUTION (BARKING, ESSEX : 1987) 2022; 308:119660. [PMID: 35738522 DOI: 10.1016/j.envpol.2022.119660] [Citation(s) in RCA: 9] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/01/2022] [Revised: 06/02/2022] [Accepted: 06/17/2022] [Indexed: 06/15/2023]
Abstract
Polychlorinated biphenyls (PCBs) exposure has been related to the abnormal glucose metabolism and the risk of diabetes. However, the joint effects of various PCBs are uncertain and the potential mechanisms remain unclear. Our objectives were to evaluate the associations of serum PCBs with fasting plasma glucose (FPG) and the risk of diabetes among a general Chinese population, and to estimate the mediating effects of oxidative stress in the above associations. Serum levels of seven indicator-PCBs (PCB-28, 52, 101, 118, 138, 153, and 180) and FPG values were determined among 4498 subjects from the Wuhan-Zhuhai cohort. Oxidative DNA damage biomarker (urinary 8-hydroxy-2'-deoxyguanosine, 8-OHdG) and lipid peroxidation biomarker (urinary 8-isoprostane, 8-iso-PGF2α) were also measured. Positive relationships of serum PCBs with FPG values as well as the risk of diabetes were observed. With each 1% increment in the natural log-transformed values of wet weight serum PCBs, FPG levels increased a 0.125% for PCB-52, 0.168% for PCB-118, 0.221% for PCB-138, 0.273% for PCB-153, and 0.379% for ΣPCB (the sum of seven PCBs). The adjusted odds ratios of diabetes associated with wet weight PCBs were 1.186 for PCB-52, 1.373 for PCB-118, 1.635 for PCB-153, and 1.456 for ΣPCB. The seven serum PCBs showed positive overall effect on the risk of diabetes. Elevated PCB-28, PCB-52, PCB-118, PCB-138, PCB-153, and ΣPCB were associated with the increased urinary 8-iso-PGF2α, which was positively related with FPG values. Furthermore, urinary 8-iso-PGF2α partially mediated the positive associations between PCBs and FPG values, with the mediated proportions ranged from 3.20 to 12.93%. In conclusion, our results suggested that serum PCBs were positively related with increased oxidative stress, FPG values, and the risk of diabetes among a general Chinese population. Serum PCBs mixture had positive overall effect on the risk of diabetes. Lipid peroxidation partly mediated the FPG elevation induced by PCB exposure.
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Affiliation(s)
- Qiyou Tan
- Department of Occupational & Environmental Health, School of Public Health, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, Hubei 430030, China; Key Laboratory of Environment and Health, Ministry of Education & Ministry of Environmental Protection, and State Key Laboratory of Environmental Health (Incubating), School of Public Health, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, Hubei 430030, China
| | - Mengyi Wang
- Department of Occupational & Environmental Health, School of Public Health, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, Hubei 430030, China; Key Laboratory of Environment and Health, Ministry of Education & Ministry of Environmental Protection, and State Key Laboratory of Environmental Health (Incubating), School of Public Health, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, Hubei 430030, China
| | - Linling Yu
- Department of Occupational & Environmental Health, School of Public Health, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, Hubei 430030, China; Key Laboratory of Environment and Health, Ministry of Education & Ministry of Environmental Protection, and State Key Laboratory of Environmental Health (Incubating), School of Public Health, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, Hubei 430030, China
| | - Ruyi Liang
- Department of Occupational & Environmental Health, School of Public Health, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, Hubei 430030, China; Key Laboratory of Environment and Health, Ministry of Education & Ministry of Environmental Protection, and State Key Laboratory of Environmental Health (Incubating), School of Public Health, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, Hubei 430030, China
| | - Wei Liu
- Department of Occupational & Environmental Health, School of Public Health, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, Hubei 430030, China; Key Laboratory of Environment and Health, Ministry of Education & Ministry of Environmental Protection, and State Key Laboratory of Environmental Health (Incubating), School of Public Health, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, Hubei 430030, China
| | - Chaoqian Dong
- Department of Occupational & Environmental Health, School of Public Health, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, Hubei 430030, China; Key Laboratory of Environment and Health, Ministry of Education & Ministry of Environmental Protection, and State Key Laboratory of Environmental Health (Incubating), School of Public Health, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, Hubei 430030, China
| | - Yongfang Zhang
- Department of Occupational & Environmental Health, School of Public Health, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, Hubei 430030, China; Key Laboratory of Environment and Health, Ministry of Education & Ministry of Environmental Protection, and State Key Laboratory of Environmental Health (Incubating), School of Public Health, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, Hubei 430030, China
| | - Minjing Li
- Department of Occupational & Environmental Health, School of Public Health, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, Hubei 430030, China; Key Laboratory of Environment and Health, Ministry of Education & Ministry of Environmental Protection, and State Key Laboratory of Environmental Health (Incubating), School of Public Health, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, Hubei 430030, China
| | - Zi Ye
- Department of Occupational & Environmental Health, School of Public Health, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, Hubei 430030, China; Key Laboratory of Environment and Health, Ministry of Education & Ministry of Environmental Protection, and State Key Laboratory of Environmental Health (Incubating), School of Public Health, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, Hubei 430030, China
| | - Bin Wang
- Department of Occupational & Environmental Health, School of Public Health, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, Hubei 430030, China; Key Laboratory of Environment and Health, Ministry of Education & Ministry of Environmental Protection, and State Key Laboratory of Environmental Health (Incubating), School of Public Health, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, Hubei 430030, China
| | - Min Zhou
- Department of Occupational & Environmental Health, School of Public Health, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, Hubei 430030, China; Key Laboratory of Environment and Health, Ministry of Education & Ministry of Environmental Protection, and State Key Laboratory of Environmental Health (Incubating), School of Public Health, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, Hubei 430030, China
| | - Weihong Chen
- Department of Occupational & Environmental Health, School of Public Health, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, Hubei 430030, China; Key Laboratory of Environment and Health, Ministry of Education & Ministry of Environmental Protection, and State Key Laboratory of Environmental Health (Incubating), School of Public Health, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, Hubei 430030, China.
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11
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Li JR, Yu Y, Meng FX, Yu J, Luo BY, Gao J. The relationship between a fish-rich diet and poststroke cognitive impairment: A cross-sectional study with a follow-up in China. Medicine (Baltimore) 2022; 101:e29234. [PMID: 35758350 PMCID: PMC9276365 DOI: 10.1097/md.0000000000029234] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/06/2021] [Accepted: 03/16/2022] [Indexed: 11/26/2022] Open
Abstract
Whether a fish-rich diet is positively associated with cognitive function after stroke remains unclear; thus, the present study investigated the relationship between them.The present study was part of a prospective multicenter study, in which 920 individuals (609 males, mean age, 62.78 ± 11.79 years) were included from November 2013 to December 2015. The cognitive function of the patients was evaluated, and the diagnosis of poststroke cognitive impairment (PSCI) was made during their stay in the hospital. A subgroup of 439 patients from a single center was followed up for 4 to 6 years and was reassessed for cognitive function.According to the diagnostic criteria, the PSCI prevalence was lower in the fish-rich diet group (P < .05). After adjusting for demographic and clinical variables by logistic regression, patients with a habit of consuming a fish-rich diet had a lower risk of developing PSCI than patients without a fish-rich diet (odds ratio [OR]: 0.74; 95% confidence interval [CI]: 0.46-0.95). When MMSE score was considered the cognitive function outcome variable, the long-term cognitive function of the fish-rich diet group was better (28 [26-30] vs 27 [25-29], P < .01), but the statistical results were not significant after correcting for the related confounding factors (β: 0.13; 95% CI: -0.99-1.25; P = .82).There was a negative relationship between consuming a fish-rich diet and the prevalence of PSCI, and there was no statistically significant difference in the relationship of a fish-rich diet on long-term cognitive function after stroke, which requires further study.
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Affiliation(s)
- Jia-Rui Li
- Department of Neurology and Brain Medical Center, First Affiliated Hospital, School of Medicine, Zhejiang University, Hangzhou, China
- Zhejiang University School of Medicine, Hangzhou, China
| | - Yang Yu
- Department of Neurology and Brain Medical Center, First Affiliated Hospital, School of Medicine, Zhejiang University, Hangzhou, China
| | - Fan-Xia Meng
- Department of Neurology and Brain Medical Center, First Affiliated Hospital, School of Medicine, Zhejiang University, Hangzhou, China
| | - Jie Yu
- Department of Neurology and Brain Medical Center, First Affiliated Hospital, School of Medicine, Zhejiang University, Hangzhou, China
| | - Ben-Yan Luo
- Department of Neurology and Brain Medical Center, First Affiliated Hospital, School of Medicine, Zhejiang University, Hangzhou, China
| | - Jian Gao
- Department of Rehabilitation, Hangzhou Mingzhou Brain Rehabilitation Hospital, Hangzhou, China
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12
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Gang N, Van Allen K, Villeneuve PJ, MacDonald H, Bruin JE. Sex-specific Associations Between Type 2 Diabetes Incidence and Exposure to Dioxin and Dioxin-like Pollutants: A Meta-analysis. FRONTIERS IN TOXICOLOGY 2022; 3:685840. [PMID: 35295132 PMCID: PMC8915902 DOI: 10.3389/ftox.2021.685840] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/25/2021] [Accepted: 12/14/2021] [Indexed: 01/09/2023] Open
Abstract
The potential for persistent organic pollutants (POPs), including dioxins and dioxin-like polychlorinated biphenyls (DL-PCBs), to increase the risk of incident diabetes in adults has been extensively studied. However, there is substantial variability in the reported associations both between and within studies. Emerging data from rodent studies suggest that dioxin disrupts glucose homeostasis in a sex-specific manner. Thus, we performed a review and meta-analysis of relevant epidemiological studies to investigate sex differences in associations between dioxin or DL-PCB exposure and type 2 diabetes incidence. Articles that met our selection criteria (n = 81) were organized into the following subcategories: data stratified by sex (n = 13), unstratified data (n = 45), and data from only 1 sex (n = 13 male, n = 10 female). We also considered whether exposure occurred either abruptly at high concentrations through a contamination event (“disaster exposure”) or chronically at low concentrations (“non-disaster exposure”). There were 8 studies that compared associations between dioxin/DL-PCB exposure and diabetes risk in males versus females within the same population. When all sex-stratified or single-sex studies were considered in the meta-analysis (n = 18), the summary relative risk (RR) for incident diabetes among those exposed relative to reference populations was 1.78 (95% CI = 1.37–2.31) and 1.95 (95% CI = 1.56–2.43) for female and males, respectively. However, when we restricted the meta-analysis to disaster-exposed populations, the RR was higher in females than males (2.86 versus 1.59, respectively). In contrast, in non-disaster exposed populations the RR for females was lower than males (1.40 and 2.02, respectively). Our meta-analysis suggests that there are sex differences in the associations between dioxin/DL-PCBs exposure and incident diabetes, and that the mode of exposure modifies these differences.
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Affiliation(s)
- Noa Gang
- Department of Biology and Institute of Biochemistry, Carleton University, Ottawa, ON, Canada
| | - Kyle Van Allen
- Department of Biology and Institute of Biochemistry, Carleton University, Ottawa, ON, Canada
| | - Paul J. Villeneuve
- School of Mathematics and Statistics, Carleton University, Ottawa, ON, Canada
- Department of Public Health Sciences, Queen’s University, Kingston, ON, Canada
| | - Heather MacDonald
- Health and Biosciences Librarian, MacOdrum Library, Carleton University, Ottawa, ON, Canada
| | - Jennifer E. Bruin
- Department of Biology and Institute of Biochemistry, Carleton University, Ottawa, ON, Canada
- *Correspondence: Jennifer E. Bruin,
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López-Pedrouso M, Lorenzo JM, Varela Z, Fernández JÁ, Franco D. Finding Biomarkers in Antioxidant Molecular Mechanisms for Ensuring Food Safety of Bivalves Threatened by Marine Pollution. Antioxidants (Basel) 2022; 11:antiox11020369. [PMID: 35204251 PMCID: PMC8868406 DOI: 10.3390/antiox11020369] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/23/2022] [Revised: 02/06/2022] [Accepted: 02/08/2022] [Indexed: 02/06/2023] Open
Abstract
Aquaculture production as an important source of protein for our diet is sure to continue in the coming years. However, marine pollution will also likely give rise to serious problems for the food safety of molluscs. Seafood is widely recognized for its high nutritional value in our diet, leading to major health benefits. However, the threat of marine pollution including heavy metals, persistent organic pollutants and other emerging pollutants is of ever-growing importance and seafood safety may not be guaranteed. New approaches for the search of biomarkers would help us to monitor pollutants and move towards a more global point of view; protocols for the aquaculture industry would also be improved. Rapid and accurate detection of food safety problems in bivalves could be carried out easily by protein biomarkers. Hence, proteomic technologies could be considered as a useful tool for the discovery of protein biomarkers as a first step to improve the protocols of seafood safety. It has been demonstrated that marine pollutants are altering the bivalve proteome, affecting many biological processes and molecular functions. The main response mechanism of bivalves in a polluted marine environment is based on the antioxidant defense system against oxidative stress. All these proteomic data provided from the literature suggest that alterations in oxidative stress due to marine pollution are closely linked to robust and confident biomarkers for seafood safety.
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Affiliation(s)
- María López-Pedrouso
- Departamento de Zooloxía, Xenética e Antropoloxía Física, Universidade de Santiago de Compostela, 15872 Santiago de Compostela, Spain;
| | - José M. Lorenzo
- Centro Tecnolóxico da Carne de Galicia, Rúa Galicia No. 4, Parque Tecnolóxico de Galicia, San Cibrao das Viñas, 32900 Ourense, Spain;
- Área de Tecnoloxía dos Alimentos, Facultade de Ciencias, Universidade de Vigo, 32004 Ourense, Spain
| | - Zulema Varela
- CRETUS, Ecology Unit, Department of Functional Biology, Universidade de Santiago de Compostela, 15872 Santiago de Compostela, Spain; (Z.V.); (J.Á.F.)
| | - J. Ángel Fernández
- CRETUS, Ecology Unit, Department of Functional Biology, Universidade de Santiago de Compostela, 15872 Santiago de Compostela, Spain; (Z.V.); (J.Á.F.)
| | - Daniel Franco
- Centro Tecnolóxico da Carne de Galicia, Rúa Galicia No. 4, Parque Tecnolóxico de Galicia, San Cibrao das Viñas, 32900 Ourense, Spain;
- Correspondence:
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14
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Effects of a Mediterranean diet on the development of diabetic complications: A longitudinal study from the nationwide diabetes report of the National Program for Prevention and Control of Diabetes (NPPCD 2016-2020). Maturitas 2021; 153:61-67. [PMID: 34654529 DOI: 10.1016/j.maturitas.2021.08.003] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/03/2020] [Revised: 08/10/2021] [Accepted: 08/18/2021] [Indexed: 02/08/2023]
Abstract
OBJECTIVE To evaluate the effectiveness of a Mediterranean dietary pattern on the incidence of macrovascular and microvascular complications of diabetes, namely cardiovascular disease (CVD), diabetic foot disorders, diabetic retinopathy, nephropathy, and neuropathy. METHODS This longitudinal study was conducted among 71392 adults with diabetes who attended academic tertiary-care outpatient clinics from February 2016 to March 2020 across Iran using the National Program for Prevention and Control of Diabetes database. Among them, 22187 patients with diabetes (type 1 and type 2) completed 2-11 follow-up visits after baseline registration. The association between adherence to a Mediterranean diet and diabetic complications was assessed using pooled logistic regression models. This association was adjusted for potential confounders. The effect of time was assessed using fractional polynomials. RESULTS A total of 22187 participants were included in the analysis (30.22% men and 69.78% women) with either type 1 (mean age 50.7 years) or type 2 (mean age 59.9 years) diabetes. After adjustment for confounding variables, there was a negative correlation between adherence to a Mediterranean diet and the incidence of CVD among patients with type 1 diabetes (T1D) and 2 diabetes (T2D) (OR= 0.53, 95% CI: 0.37 - 0.75, p-value <0.001 and OR= 0.61, 95% CI: 0.57 - 0.89, p-value <0.001, respectively). Also, the diet had a statistically significant protective effect against incident symptomatic neuropathy (OR= 0.32, 95% CI: 0.23 - 0.43, p-value <0.001, and OR= 0.68, 95% CI: 0.64 - 0.72, p-value <0.001, respectively), nephropathy (OR= 0.42, 95% CI: 0.30 - 0.58, p-value <0.001, and OR= 0.88, 95% CI: 0.80 - 0.96, p-value= 0.007, respectively), and retinopathy (OR= 0.32, 95% CI: 0.24 - 0.44, p-value <0.001, and OR= 0.68, 95% CI: 0.61 - 0.71, p-value <0.001, respectively) in T1D and T2D. CONCLUSION The Mediterranean dietary pattern is associated with a lower incidence of CVD and microvascular complications (i.e. diabetic retinopathy, nephropathy, and neuropathy) among a cohort of patients with T1D and T2D in Iran.
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Øyen J, Brantsæter AL, Nøstbakken OJ, Birkeland KI, Haugen M, Madsen L, Egeland GM. Intakes of Fish and Long-chain n-3 Polyunsaturated Fatty Acid Supplements During Pregnancy and Subsequent Risk of Type 2 Diabetes in a Large Prospective Cohort Study of Norwegian Women. Diabetes Care 2021; 44:dc210447. [PMID: 34407960 PMCID: PMC8740945 DOI: 10.2337/dc21-0447] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/24/2021] [Accepted: 07/14/2021] [Indexed: 02/03/2023]
Abstract
OBJECTIVE To investigate associations between intakes of total fish, lean fish, fatty fish, and long-chain n-3 polyunsaturated fatty acid (LCn-3PUFA) supplements and risk of type 2 diabetes in women after pregnancy. Furthermore, we sought to compare the estimated intakes of methylmercury (MeHg) and sum of dioxins and dioxin-like polychlorinated biphenyls (dl-PCBs) with tolerable weekly intakes (TWI). RESEARCH DESIGN AND METHODS Women free of diabetes at baseline (n = 60,831) who participated in the population-based Norwegian Mother, Father and Child Cohort Study (MoBa) were prospectively evaluated for incident type 2 diabetes, identified on the basis of medication usage >90 days after delivery, ascertained through the Norwegian Prescription Database. Dietary intake data were obtained with a validated 255-item food-frequency questionnaire (FFQ), which assessed habitual diet during the first 4-5 months of pregnancy. Intakes of MeHg and sum of dioxins and dl-PCBs were derived with use of a contaminant database and the FFQ. RESULTS Median age was 31 years (interquartile range 27, 34) at time of delivery, and follow-up time was 7.5 years (6.5, 8.5). Type 2 diabetes occurred in 683 (1.1%) participants. Multivariable Cox regression analyses identified lower risk of type 2 diabetes with increasing energy-adjusted lean fish intake, 25 g/1,000 kcal (25 g/1,000 kcal: hazard ratio 0.71, 95% CI 0.53-0.95, P = 0.022). However, in stratified analyses, a lower risk was found only in women with prepregnancy BMI ≥25 kg/m2. There were no associations between intake of total fish, fatty fish, or LCn-3PUFA supplements and type 2 diabetes. MeHg intake was low, but the intake of the sum of dioxins and dl-PCBs (picograms of toxic equivalents/kilograms of body weight/week) exceeded the TWI set by the European Food Safety Authority (EFSA) for the majority of participants. CONCLUSIONS Intake of lean fish, but not fatty fish or LCn-3PUFA supplements, was associated with lower risk of pharmacologically treated type 2 diabetes in Norwegian women who were overweight or obese. Fatty fish, which contain dioxins and dl-PCBs, did not increase the risk of type 2 diabetes, but the exceedance of the EFSA TWI for dioxins and dl-PCBs is a health concern.
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Affiliation(s)
- Jannike Øyen
- Seafood and Nutrition, Institute of Marine Research, Bergen, Norway
| | - Anne Lise Brantsæter
- Department of Environmental Health, Norwegian Institute of Public Health, Oslo, Norway
| | | | - Kåre I Birkeland
- Department of Transplantation Medicine, Oslo University Hospital, and Institute of Clinical Medicine, University of Oslo, Oslo, Norway
| | - Margareta Haugen
- Department of Environmental Health, Norwegian Institute of Public Health, Oslo, Norway
| | - Lise Madsen
- Seafood and Nutrition, Institute of Marine Research, Bergen, Norway
- Department of Biology, University of Copenhagen, Denmark
| | - Grace M Egeland
- Division of Health Data and Digitalisation, Department of Health Registry Research and Development, Norwegian Institute of Public Health, Bergen, Norway
- Department of Global Public Health and Primary Care, University of Bergen, Bergen, Norway
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Chan HM, Singh K, Batal M, Marushka L, Tikhonov C, Sadik T, Schwartz H, Ing A, Fediuk K. Levels of metals and persistent organic pollutants in traditional foods consumed by First Nations living on-reserve in Canada. Canadian Journal of Public Health 2021; 112:81-96. [PMID: 34181226 PMCID: PMC8239065 DOI: 10.17269/s41997-021-00495-7] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Subscribe] [Scholar Register] [Received: 07/06/2020] [Accepted: 02/03/2021] [Indexed: 12/13/2022]
Abstract
Objectives First Nations may have a higher risk of contaminant exposure from the consumption of traditional foods. The objective of this study was to measure concentrations of metals and organochlorines in traditional foods commonly consumed by First Nations in Canada and estimate the risk from dietary exposure. Methods Data were collected from the participatory First Nations Food, Nutrition and Environment Study (2008–2018). Traditional food samples were collected by community members and concentrations of metals and organochlorines were measured. The population-weighted mean daily contaminant intake from traditional food items was estimated. Hazard quotients (HQs) were calculated by dividing contaminant intake with the toxicological reference values (TRVs). Results A total of 2061 food samples (different parts and organs) from 221 species were collected. The highest concentrations of cadmium were found in the kidneys of land mammals: moose kidney was the most significant contributor to intake. The meat of land mammals and birds had the highest lead concentrations and were the most significant contributors to intake. Arsenic was highest in seaweed, and prawn was the most significant contributor. Mercury and methyl mercury were highest in harp seal meat, with walleye/pickerel contributing most to intake. Harp seal meat also had the highest p,p′-DDE and PCB concentrations, and ooligan grease and salmon were the most significant contributors to intake. The percentage of adults eating traditional food who exceeded the TRVs was 1.9% for cadmium, 3.7% for lead, 13.6% for arsenic, 0.7% for mercury, and 0% for p,p′-DDE and PCBs. All median HQs, and most 95th percentile HQs, were less than 1. Conclusion These results can be used as a baseline of contaminant levels and exposure in traditional foods for future monitoring programs and to support risk assessment programs. Supplementary Information The online version contains supplementary material available at 10.17269/s41997-021-00495-7.
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Affiliation(s)
- Hing Man Chan
- Department of Biology, University of Ottawa, 30 Marie Curie, Ottawa, ON, K1N 6N5, Canada.
| | - Kavita Singh
- Department of Biology, University of Ottawa, 30 Marie Curie, Ottawa, ON, K1N 6N5, Canada
| | - Malek Batal
- Département de Nutrition, Faculté de Médecine, Pavillon Liliane de Stewart, Université de Montréal, C.P. 6128, succ. Centre-Ville, Montréal, QC, H3T 1A8, Canada.,Centre de recherche en santé publique de l'Université de Montréal et du CIUSS du Centre-sud-de-l'Île-de-Montréal (CReSP), 7101 avenue du Parc, Montréal, QC, H3N 1X7, Canada
| | - Lesya Marushka
- First Nations and Inuit Health Branch, Indigenous Services Canada, Ottawa, ON, Canada
| | - Constantine Tikhonov
- First Nations and Inuit Health Branch, Indigenous Services Canada, Ottawa, ON, Canada
| | - Tonio Sadik
- Assembly of First Nations, 55 Metcalfe Street, Suite 1600, Ottawa, ON, K1P 6L5, Canada
| | - Harold Schwartz
- First Nations and Inuit Health Branch, Indigenous Services Canada, Ottawa, ON, Canada
| | - Amy Ing
- Département de Nutrition, Faculté de Médecine, Pavillon Liliane de Stewart, Université de Montréal, C.P. 6128, succ. Centre-Ville, Montréal, QC, H3T 1A8, Canada
| | - Karen Fediuk
- Department of Biology, University of Ottawa, 30 Marie Curie, Ottawa, ON, K1N 6N5, Canada
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Marushka L, Hu X, Batal M, Tikhonov C, Sadik T, Schwartz H, Ing A, Fediuk K, Chan HM. The relationship between dietary exposure to persistent organic pollutants from fish consumption and type 2 diabetes among First Nations in Canada. CANADIAN JOURNAL OF PUBLIC HEALTH = REVUE CANADIENNE DE SANTE PUBLIQUE 2021; 112:168-182. [PMID: 34181231 PMCID: PMC8239090 DOI: 10.17269/s41997-021-00484-w] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 06/22/2020] [Accepted: 01/27/2021] [Indexed: 12/13/2022]
Abstract
OBJECTIVE We previously examined the associations between dietary dichlorodiphenyldichloroethylene (DDE) and polychlorinated biphenyls (PCBs) intake from fish consumption and type 2 diabetes (T2D) prevalence in Ontario and Manitoba. This study aims to further explore the relationship in a regionally representative sample of First Nations adults living on-reserve across Canada. METHODS Dietary, health and lifestyle data collected by the cross-sectional First Nations Food, Nutrition and Environment Study (2008-2018) were analyzed. This participatory study included 6091 First Nations adult participants who answered questions on T2D. The consumption of locally caught fish was estimated with a food frequency questionnaire. A total of 551 samples from 96 fish species were collected and analyzed for the presence of DDE and PCBs. The associations between fish and dietary DDE/PCBs intake with self-reported T2D were investigated using multiple logistic regression models adjusted for confounders. RESULTS Dietary exposure to DDE (>2.11 ng/kg/bw) and PCBs (>1.47 ng/kg/bw) vs no exposure was positively associated with T2D with ORs of 2.33 (95% CI: 1.24-4.35) for DDE and 1.43 (95% CI: 1.01-3.59) for PCBs. The associations were stronger among females (DDE OR = 3.11 (1.41-6.88); PCBs OR = 1.76 (1.10-3.65)) and older individuals (DDE OR = 2.64 (1.12-6.20); PCBs OR = 1.44 (1.01-3.91)) as compared with males and younger participants. Also, significant dose-response relationships were found for fish consumption in females only. CONCLUSION This study confirms our previous findings that dietary DDE/PCBs exposure may increase the risk of T2D. The effect of DDE/PCBs from fish consumption is driven by geographical differences in DDE/PCBs concentrations in fish and by the amount of fish consumed, and is more prominent in females than in males.
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Affiliation(s)
- Lesya Marushka
- Environmental Public Health Division, First Nations and Inuit Health Branch, Indigenous Services Canada, Ottawa, ON, Canada
| | - Xuefeng Hu
- Department of Biology, University of Ottawa, 30 Marie Curie, Ottawa, ON, K1N 6N5, Canada
| | - Malek Batal
- Département de Nutrition, Faculté de Médecine, Pavillon Liliane de Stewart, Université de Montréal, C.P. 6128, succ. Centre-Ville, Montréal, QC, H3T 1A8, Canada
- Centre de recherche en santé publique de l'Université de Montréal et du CIUSS du Centre-sud-de-l'Île-de-Montréal (CReSP), 7101 avenue du Parc, Montréal, QC, H3N 1X7, Canada
| | - Constantine Tikhonov
- Environmental Public Health Division, First Nations and Inuit Health Branch, Indigenous Services Canada, Ottawa, ON, Canada
| | - Tonio Sadik
- Assembly of First Nations, 55 Metcalfe Street, Suite 1600, Ottawa, ON, K1P 6L5, Canada
| | - Harold Schwartz
- Environmental Public Health Division, First Nations and Inuit Health Branch, Indigenous Services Canada, Ottawa, ON, Canada
| | - Amy Ing
- Département de Nutrition, Faculté de Médecine, Pavillon Liliane de Stewart, Université de Montréal, C.P. 6128, succ. Centre-Ville, Montréal, QC, H3T 1A8, Canada
| | - Karen Fediuk
- Department of Biology, University of Ottawa, 30 Marie Curie, Ottawa, ON, K1N 6N5, Canada
| | - Hing Man Chan
- Department of Biology, University of Ottawa, 30 Marie Curie, Ottawa, ON, K1N 6N5, Canada.
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Batal M, Chan HM, Fediuk K, Ing A, Berti P, Sadik T, Johnson-Down L. Associations of health status and diabetes among First Nations Peoples living on-reserve in Canada. CANADIAN JOURNAL OF PUBLIC HEALTH = REVUE CANADIENNE DE SANTE PUBLIQUE 2021; 112:154-167. [PMID: 34181230 PMCID: PMC8239104 DOI: 10.17269/s41997-021-00488-6] [Citation(s) in RCA: 13] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 04/23/2020] [Accepted: 01/28/2021] [Indexed: 12/31/2022]
Abstract
OBJECTIVE Our objective is to describe self-reported health status, prevalence of diabetes and obesity and their associations in participants from the First Nations Food, Nutrition and Environment Study (FNFNES) in order to identify possible correlates of health in First Nations adults. METHODS FNFNES is a participatory study with First Nations Peoples living on reserve lands south of the 60th parallel. Health and diabetes were self-reported, and prevalence of obesity was evaluated. Socio-demographic and lifestyle factors and traditional food (TF) activities were investigated for associations with health parameters. RESULTS High prevalence rates of overweight/obesity (78-91%) and diabetes (19% age-standardized prevalence) were found. Smoking rates were high and physical activity was low. In multivariable analyses, obesity was associated with region, income source, age, gender, smoking and self-reported health; diabetes and lesser self-reported health were associated with obesity and lower education. Diabetes was strongly associated with lesser self-reported health and weakly associated with being a smoker. CONCLUSION We have identified possible correlates of health in this population that can help to better understand the underlying concerns and identify solutions for First Nations and their partners. We urge governments and First Nations to address the systemic problems identified with a holistic ecosystem approach that takes into consideration the financial and physical access to food, particularly TF, and the facilitation of improved health behaviour. New mechanisms co-developed with First Nations leadership should focus on supporting sustainable, culturally safe and healthy lifestyles and closing the gaps in nutrition and food insecurity.
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Affiliation(s)
- Malek Batal
- Département de nutrition, Faculté de Médecine, Université de Montréal, Pavillon Liliane de Stewart, CP 6128 succ. Centre-Ville, Montréal, QC, H3T 1A8, Canada.
- Centre de recherche en santé publique de l'Université de Montréal et du CIUSS du Centre-sud-de-l'Île-de-Montréal (CReSP), 7101 Avenue du Parc, Montréal, QC, H3N 1X7, Canada.
| | - Hing Man Chan
- Department of Biology, University of Ottawa, 30 Marie Curie, Ottawa, ON, K1N 6N5, Canada
| | - Karen Fediuk
- Department of Biology, University of Ottawa, 30 Marie Curie, Ottawa, ON, K1N 6N5, Canada
- First Nations Food, Nutrition and Environment Study, University of Ottawa, 30 Marie Curie, Ottawa, ON, K1N 6N5, Canada
| | - Amy Ing
- Département de nutrition, Faculté de Médecine, Université de Montréal, Pavillon Liliane de Stewart, CP 6128 succ. Centre-Ville, Montréal, QC, H3T 1A8, Canada
| | - Peter Berti
- HealthBridge Foundation of Canada, 1 Nicholas Street, Suite 1004, Ottawa, ON, K1N 7B7, Canada
| | - Tonio Sadik
- Assembly of First Nations, 55 Metcalfe Street, Suite 1600, Ottawa, ON, K1P 6L5, Canada
| | - Louise Johnson-Down
- Département de nutrition, Faculté de Médecine, Université de Montréal, Pavillon Liliane de Stewart, CP 6128 succ. Centre-Ville, Montréal, QC, H3T 1A8, Canada
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Wu H, Zhang Q, Liu L, Meng G, Gu Y, Yao Z, Zhang S, Wang Y, Zhang T, Wang X, Wang X, Sun S, Jia Q, Song K, Niu K. Saltwater fish but not freshwater fish consumption is positively related to handgrip strength: The TCLSIH Cohort Study. Nutr Res 2021; 90:46-54. [PMID: 34091118 DOI: 10.1016/j.nutres.2021.04.002] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/11/2021] [Revised: 03/22/2021] [Accepted: 04/08/2021] [Indexed: 11/16/2022]
Abstract
Fish contain many important nutrients and are primarily known for high n-3 polyunsaturated fatty acids (n-3 PUFA) content. Studies have shown that supplementation of fish oil-derived n-3 PUFA improves muscle mass and strength. Here, we hypothesized that fish consumption might improve muscle strength. To test this hypothesis, we performed this cross-sectional study (n = 29,084) in Tianjin, China. The frequency of fish consumption was assessed using a valid self-administered food frequency questionnaire. Handgrip strength (HGS) was used as the indicator of muscle strength, and was measured using a handheld digital dynamometer. Analysis of covariance was used to examine the relationship between fish consumption and HGS. In men, after adjusted potential confounding factors, the least square means (95% confidence intervals) of HGS across saltwater fish consumption categories were 41.5 (41.1, 43.7) kg for <1 time/week, 44.6 (43.2, 45.8) kg for 1 time/week, and 44.7 (43.3, 46.1) kg for ≥2 to 3 times/week (P for trend <0.001). In men, the least square means (95% confidence intervals) of HGS across the ascending quartiles of dietary n-3 PUFA intake were 43.6 (43.2, 44.4) kg, 43.7 (43.2, 44.6) kg, 44.4 (43.0, 45.8) kg, and 44.6 (43.1, 46.0) kg (P for trend <0.01). The results showed that saltwater fish consumption was positively related to HGS in men, but not in women, suggesting that saltwater fish contain nutrients that may be used to improve HGS.
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Affiliation(s)
- Hongmei Wu
- Nutritional Epidemiology Institute and School of Public Health, Tianjin Medical University, Tianjin, China; Tianjin Key Laboratory of Environment, Nutrition and Public Health, Tianjin, China; Center for International Collaborative Research on Environment, Nutrition and Public Health, Tianjin, China
| | - Qing Zhang
- Health Management Centre, Tianjin Medical University General Hospital, Tianjin, China
| | - Li Liu
- Health Management Centre, Tianjin Medical University General Hospital, Tianjin, China
| | - Ge Meng
- Nutritional Epidemiology Institute and School of Public Health, Tianjin Medical University, Tianjin, China; Tianjin Key Laboratory of Environment, Nutrition and Public Health, Tianjin, China; Center for International Collaborative Research on Environment, Nutrition and Public Health, Tianjin, China; Department of Toxicology and Sanitary Chemistry, School of Public Health, Tianjin Medical University, Tianjin, China
| | - Yeqing Gu
- Institute of Radiation Medicine, Chinese Academy of Medical Sciences & Peking Union Medical College, Tianjin, China
| | - Zhanxin Yao
- Department of Nutrition, Tianjin Institute of Health and Environmental Medicine, Tianjin, China
| | - Shunming Zhang
- Nutritional Epidemiology Institute and School of Public Health, Tianjin Medical University, Tianjin, China
| | - Yawen Wang
- Nutritional Epidemiology Institute and School of Public Health, Tianjin Medical University, Tianjin, China
| | - Tingjing Zhang
- Nutritional Epidemiology Institute and School of Public Health, Tianjin Medical University, Tianjin, China
| | - Xuena Wang
- Nutritional Epidemiology Institute and School of Public Health, Tianjin Medical University, Tianjin, China
| | - Xing Wang
- Health Management Centre, Tianjin Medical University General Hospital, Tianjin, China
| | - Shaomei Sun
- Health Management Centre, Tianjin Medical University General Hospital, Tianjin, China
| | - Qiyu Jia
- Health Management Centre, Tianjin Medical University General Hospital, Tianjin, China
| | - Kun Song
- Health Management Centre, Tianjin Medical University General Hospital, Tianjin, China
| | - Kaijun Niu
- Nutritional Epidemiology Institute and School of Public Health, Tianjin Medical University, Tianjin, China; Tianjin Key Laboratory of Environment, Nutrition and Public Health, Tianjin, China; Center for International Collaborative Research on Environment, Nutrition and Public Health, Tianjin, China; Health Management Centre, Tianjin Medical University General Hospital, Tianjin, China.
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Cano-Sancho G, Casas M. Interactions between environmental pollutants and dietary nutrients: current evidence and implications in epidemiological research. J Epidemiol Community Health 2020; 75:108-113. [PMID: 33023970 DOI: 10.1136/jech-2020-213789] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/08/2020] [Revised: 08/18/2020] [Accepted: 09/23/2020] [Indexed: 11/04/2022]
Abstract
Environmental pollutants and nutrients may be present in the same foodstuffs or dietary patterns; share internal mechanisms of transport, metabolism and cellular uptake; or target the same molecular signalling pathways and biological functions. Lipophilic pollutants and nutrients, like dioxins and polyunsaturated fatty acids, may often converge at all aforementioned levels and thus the interactions become more likely. Despite this fact, the topic seems overlooked in mainstream epidemiological research. In this essay, we illustrate different levels of documented interactions between pollutants and nutrients with experimental, interventional and epidemiological evidence, paying special attention to lipophilic chemicals. We first describe common pollutants and nutrients encountered in diets and the internal lipophilic interface such as adipose tissue and serum lipids. Next, we discuss the preventive effects of nutrients against absorption and the toxic effects of pollutants, as well as the pollutant-induced perturbation of nutrient metabolism. Finally, we discuss the implications of nutrient-pollutant interactions in epidemiology, providing some examples of negative confounding, modification effect and statistical interactions reported for different outcomes including fetal growth, diabetes and cancer. The evidence discussed in this essay supports that the health impacts of chemicals have likely been underestimated due to the high risk of residual and coexposure confounding in diseases where interactions between pollutants and nutrients may occur.
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Affiliation(s)
| | - Maribel Casas
- ISGlobal, Barcelona, Spain.,Pompeu Fabra University, Barcelona, Spain.,Spanish Consortium for Research on Epidemiology and Public Health (CIBERESP), Madrid, Spain
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Potential therapeutic applications of the gut microbiome in obesity: from brain function to body detoxification. Int J Obes (Lond) 2020; 44:1818-1831. [PMID: 32523034 DOI: 10.1038/s41366-020-0618-3] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/11/2019] [Revised: 05/04/2020] [Accepted: 05/22/2020] [Indexed: 02/08/2023]
Abstract
The prevalence of obesity is rising every year and associated comorbidities such as cardiovascular diseases are among the leading causes of death worldwide. The gut microbiota has recently emerged as a potential target for therapeutic applications to prevent and treat those comorbidities. In this review, we focus on three conditions related to obesity in which the use of gut microbiota modulators could have benefits; mood disorders, eating behaviors, and body detoxification of persistent organic pollutants (POPs). On one hand, modulation of gut-derived signals to the brain in a context of obesity is involved in the development of neuroinflammation and can subsequently alter behaviors. An altered gut microbiome could change these signals and alleviate their consequences. On the other hand, obesity is associated with an increased accumulation of lipophilic contaminants, such as POPs. Targeting the microbiota could help body detoxication by reducing bioavailability, enhancing degradation by bioremediation or their excretion through the enterohepatic circulation. Thus, a supplementation of prebiotics, probiotics, or synbiotics could represent a complementary strategy to current ones, such as medication and lifestyle modifications, to decrease depression, alter eating behaviors, and lower body burden of pollutants considering the actual obesity epidemic our society is facing.
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Wawro N, Pestoni G, Riedl A, Breuninger TA, Peters A, Rathmann W, Koenig W, Huth C, Meisinger C, Rohrmann S, Linseisen J. Association of Dietary Patterns and Type-2 Diabetes Mellitus in Metabolically Homogeneous Subgroups in the KORA FF4 Study. Nutrients 2020; 12:nu12061684. [PMID: 32516903 PMCID: PMC7352280 DOI: 10.3390/nu12061684] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/08/2020] [Revised: 06/02/2020] [Accepted: 06/03/2020] [Indexed: 12/16/2022] Open
Abstract
There is evidence that a change in lifestyle, especially physical activity and diet, can reduce the risk of developing type-2 diabetes mellitus (T2DM). However, the response to dietary changes varies among individuals due to differences in metabolic characteristics. Therefore, we investigated the association between dietary patterns and T2DM while taking into account these differences. For 1287 participants of the population-based KORA FF4 study (Cooperative Health Research in the Region of Augsburg), we identified three metabolically-homogenous subgroups (metabotypes) using 16 clinical markers. Based on usual dietary intake data, two diet quality scores, the Mediterranean Diet Score (MDS) and the Alternate Healthy Eating Index (AHEI), were calculated. We explored the associations between T2DM and diet quality scores. Multi-variable adjusted models, including metabotype subgroup, were fitted. In addition, analyses stratified by metabotype were carried out. We found significant interaction effects between metabotype and both diet quality scores (p < 0.05). In the analysis stratified by metabotype, significant negative associations between T2DM and both diet quality scores were detected only in the metabolically-unfavorable homogenous subgroup (Odds Ratio (OR) = 0.62, 95% confidence interval (CI) = 0.39-0.90 for AHEI and OR = 0.60, 95% CI = 0.40-0.96 for MDS). Prospective studies taking metabotype into account are needed to confirm our results, which allow for the tailoring of dietary recommendations in the prevention of T2DM.
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Affiliation(s)
- Nina Wawro
- Independent Research Group Clinical Epidemiology, Helmholtz Zentrum München, German Research Center for Environmental Health (GmbH), Ingolstädter Landstr. 1, 85764 Neuherberg, Germany; (G.P.); (A.R.); (T.A.B.); (C.M.); (J.L.)
- Chair of Epidemiology, Ludwig-Maximilians-Universität München at UNIKA-T (Universitäres Zentrum für Gesundheitswissenschaften am Klinikum Augsburg), Neusässer Str. 47, 86156 Augsburg, Germany
- Correspondence:
| | - Giulia Pestoni
- Independent Research Group Clinical Epidemiology, Helmholtz Zentrum München, German Research Center for Environmental Health (GmbH), Ingolstädter Landstr. 1, 85764 Neuherberg, Germany; (G.P.); (A.R.); (T.A.B.); (C.M.); (J.L.)
- Division of Chronic Disease Epidemiology, Epidemiology, Biostatistics and Prevention Institute, University of Zurich, Hirschengraben 84, CH-8001 Zurich, Switzerland;
| | - Anna Riedl
- Independent Research Group Clinical Epidemiology, Helmholtz Zentrum München, German Research Center for Environmental Health (GmbH), Ingolstädter Landstr. 1, 85764 Neuherberg, Germany; (G.P.); (A.R.); (T.A.B.); (C.M.); (J.L.)
| | - Taylor A. Breuninger
- Independent Research Group Clinical Epidemiology, Helmholtz Zentrum München, German Research Center for Environmental Health (GmbH), Ingolstädter Landstr. 1, 85764 Neuherberg, Germany; (G.P.); (A.R.); (T.A.B.); (C.M.); (J.L.)
- Chair of Epidemiology, Ludwig-Maximilians-Universität München at UNIKA-T (Universitäres Zentrum für Gesundheitswissenschaften am Klinikum Augsburg), Neusässer Str. 47, 86156 Augsburg, Germany
| | - Annette Peters
- Institute of Epidemiology, Helmholtz Zentrum München, German Research Center for Environmental Health (GmbH), Ingolstädter Landstr. 1, 85764 Neuherberg, Germany; (A.P.); (C.H.)
- German Center for Diabetes Research (DZD e.V.), Ingolstädter Landstr. 1, 85764 München-Neuherberg, Germany;
| | - Wolfgang Rathmann
- German Center for Diabetes Research (DZD e.V.), Ingolstädter Landstr. 1, 85764 München-Neuherberg, Germany;
- Institute for Biometrics and Epidemiology, German Diabetes Center, Leibniz Center for Diabetes Research at Heinrich Heine University Düsseldorf, Auf’m Hennekamp 65, 40225 Düsseldorf, Germany
| | - Wolfgang Koenig
- DZHK (German Centre for Cardiovascular Research), Partner Site Munich Heart Alliance, Pettenkoferstr. 8a & 9, 80336 Munich, Germany;
- Deutsches Herzzentrum München, Technische Universität München, Lazarettstr. 36, 80636 Munich
- Institute of Epidemiology and Medical Biometry, University of Ulm, Helmholtzstr. 22, 89081 Ulm, Germany
| | - Cornelia Huth
- Institute of Epidemiology, Helmholtz Zentrum München, German Research Center for Environmental Health (GmbH), Ingolstädter Landstr. 1, 85764 Neuherberg, Germany; (A.P.); (C.H.)
- German Center for Diabetes Research (DZD e.V.), Ingolstädter Landstr. 1, 85764 München-Neuherberg, Germany;
| | - Christa Meisinger
- Independent Research Group Clinical Epidemiology, Helmholtz Zentrum München, German Research Center for Environmental Health (GmbH), Ingolstädter Landstr. 1, 85764 Neuherberg, Germany; (G.P.); (A.R.); (T.A.B.); (C.M.); (J.L.)
- Chair of Epidemiology, Ludwig-Maximilians-Universität München at UNIKA-T (Universitäres Zentrum für Gesundheitswissenschaften am Klinikum Augsburg), Neusässer Str. 47, 86156 Augsburg, Germany
| | - Sabine Rohrmann
- Division of Chronic Disease Epidemiology, Epidemiology, Biostatistics and Prevention Institute, University of Zurich, Hirschengraben 84, CH-8001 Zurich, Switzerland;
| | - Jakob Linseisen
- Independent Research Group Clinical Epidemiology, Helmholtz Zentrum München, German Research Center for Environmental Health (GmbH), Ingolstädter Landstr. 1, 85764 Neuherberg, Germany; (G.P.); (A.R.); (T.A.B.); (C.M.); (J.L.)
- Chair of Epidemiology, Ludwig-Maximilians-Universität München at UNIKA-T (Universitäres Zentrum für Gesundheitswissenschaften am Klinikum Augsburg), Neusässer Str. 47, 86156 Augsburg, Germany
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Tonstad S, Klemsdal TO, Dusanov S, Gulseth H. Randomized trials of diet and persistent organic pollutants: Reply to Drs. Lee and Lee. Nutr Metab Cardiovasc Dis 2020; 30:851-852. [PMID: 32276864 DOI: 10.1016/j.numecd.2020.02.019] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/24/2020] [Revised: 02/25/2020] [Accepted: 02/26/2020] [Indexed: 11/22/2022]
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Cordier S, Anassour-Laouan-Sidi E, Lemire M, Costet N, Lucas M, Ayotte P. Association between exposure to persistent organic pollutants and mercury, and glucose metabolism in two Canadian Indigenous populations. ENVIRONMENTAL RESEARCH 2020; 184:109345. [PMID: 32172074 DOI: 10.1016/j.envres.2020.109345] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/18/2019] [Revised: 02/29/2020] [Accepted: 03/02/2020] [Indexed: 06/10/2023]
Abstract
BACKGROUND The body burden of metals and persistent organic pollutants (POPs) is particularly high in populations that rely on fish and other marine species for sustenance. This exposure has been associated with an increased risk of type 2 diabetes, but results remain contrasted. OBJECTIVE We studied this association in two Indigenous populations of northern Québec (Canada) with markedly different prevalences of diabetes and levels of exposure to POPs and mercury. METHODS As part of health surveys conducted in 2004-2009, diabetes prevalence and glucose metabolism (glucose, insulin, HOMA-IR, HOMA-B) in non-diabetic fasting adults were assessed using similar protocols in two populations: Inuit from Nunavik (n = 877) and Cree from Eeyou Istchee territory (n = 780). Blood mercury, plasma polychlorinated biphenyls (PCBs), organochlorine (OC) pesticides/metabolites and polybrominated diphenylethers (PBDEs) levels were measured in samples collected at the time of examination. Logistic and linear regressions and restricted cubic splines analyses were conducted adjusting for sex, age, waist circumference, smoking and omega-3 fatty acid content in plasma phospholipids. RESULTS Diabetes prevalence was higher in Cree (20%) than in Inuit (7%), whereas environmental exposure was 2 to 3-fold greater in Inuit than in Cree participants. In the range of exposure common to the two populations, we observed similar linear increases in the risk of diabetes with increasing contaminant exposure. Among Cree participants, fasting glucose was positively associated with plasma PBDE level, and HOMA-B negatively associated with concentrations of ∑PCBs, dichlorodiphenyldichloroethylene, PBDEs and ∑OC pesticides. Among Inuit participants, a trend towards reduced insulin secretion was observed in association with most contaminants, but the relation was nonlinear (greater reduction at intermediate levels of exposure). A significant increase in fasting glucose levels was observed at elevated blood mercury levels (>16 μg/L). CONCLUSION The observed association between POPs exposure and diabetes risk in the two populations studied should be confirmed using prospective design. Our results suggest the need for additional research on the physiopathological process through which POPs exposure may induce type 2 diabetes in these Indigenous populations.
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Affiliation(s)
- S Cordier
- Centre de Recherche du CHU de Québec - Université Laval, Québec, Canada; Univ Rennes, Inserm, EHESP, Irset (Institut de recherche en santé. environnement et travail) - UMR_S1085, F-35000, Rennes, France.
| | | | - M Lemire
- Centre de Recherche du CHU de Québec - Université Laval, Québec, Canada; Département de médecine sociale et préventive, Université Laval, Québec, Canada
| | - N Costet
- Univ Rennes, Inserm, EHESP, Irset (Institut de recherche en santé. environnement et travail) - UMR_S1085, F-35000, Rennes, France
| | - M Lucas
- Centre de Recherche du CHU de Québec - Université Laval, Québec, Canada; Département de médecine sociale et préventive, Université Laval, Québec, Canada
| | - P Ayotte
- Centre de Recherche du CHU de Québec - Université Laval, Québec, Canada; Département de médecine sociale et préventive, Université Laval, Québec, Canada; Centre de toxicologie du Québec, Institut national de santé publique du Québec, Québec, Canada
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Meat and fish intake and type 2 diabetes: Dose-response meta-analysis of prospective cohort studies. DIABETES & METABOLISM 2020; 46:345-352. [PMID: 32302686 DOI: 10.1016/j.diabet.2020.03.004] [Citation(s) in RCA: 33] [Impact Index Per Article: 8.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/23/2019] [Revised: 03/20/2020] [Accepted: 03/31/2020] [Indexed: 01/10/2023]
Abstract
AIMS This meta-analysis aimed to quantitatively examine the possible associations between total meat, red meat, processed meat, poultry and fish intakes and type 2 diabetes (T2D). METHODS Relevant articles were identified in PubMed, Embase and Web of Science databases using a search time up to January 2019. Generalized least-squares trend estimations and restricted cubic spline regression models were used for analysis. RESULTS Twenty-eight articles were included in the analysis. When comparing the highest with the lowest category of meat intake, the summary relative risk of T2D was 1.33 (95% CI: 1.16-1.52) for total meat, 1.22 (95% CI: 1.16-1.28) for red meat, 1.25 (95% CI: 1.13-1.37) for processed meat, 1.00 (95% CI: 0.93-1.07) for poultry and 1.01 (95% CI: 0.93-1.10) for fish. In the dose-response analysis, each additional 100g/day of total and red meat, and 50g/day of processed meat, were found to be associated with a 36% (95% CI: 1.23-1.49), 31% (95% CI: 1.19-1.45) and 46% (95% CI: 1.26-1.69) increased risk of T2D, respectively. In addition, there was evidence of a non-linear dose-response association between processed meat and T2D (P=0.004), with the risk increasing by 30% with increasing intakes up to 30g/day. CONCLUSION Our meta-analysis has shown a linear dose-response relationship between total meat, red meat and processed meat intakes and T2D risk. In addition, a non-linear relationship of intake of processed meat with risk of T2D was detected.
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Wu F, Mao L, Zhuang P, Chen X, Jiao J, Zhang Y. Plant-sourced cooking oil consumption is associated with lower total mortality in a longitudinal nationwide cohort study. Clin Nutr 2020; 39:3703-3710. [PMID: 32359931 DOI: 10.1016/j.clnu.2020.03.031] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/08/2019] [Revised: 02/19/2020] [Accepted: 03/27/2020] [Indexed: 12/11/2022]
Abstract
BACKGROUND & AIMS Evidence linking individual cooking oil consumption with total mortality is limited in China. The aim of this study was to examine the associations of intakes of plant-sourced and animal-sourced cooking oils with total mortality in a Chinese nationwide cohort. METHODS We analyzed data from 14,305 adults aged ≥20 y at entry in the China Health and Nutrition Survey (CHNS). The 3-day 24-h dietary records were used to collect dietary information. Cox proportional hazards regression models were established to estimate hazard ratios (HRs) and 95% confidence intervals (CIs) of all-cause death. RESULTS Overall 1006 deaths were documented during a median of 14 years (199,091 person-years) of follow-up. Multivariate-adjusted HRs (95% CIs) of total mortality via comparing the highest tertile of cooking oil consumption with no consumption were 0.86 (0.70-1.06) for lard, 0.59 (0.47-0.74) for peanut oil, 0.71 (0.54-0.93) for soybean oil, 0.76 (0.61-0.94) for canola oil, 0.71 (0.50-0.99) for salad oil, and 0.59 (0.44-0.79) for other plant cooking oils. Replacing animal cooking oils with 1 tablespoon/d of total plant cooking oils or other plant cooking oils was related to 4% or 17% lower total mortality, respectively, while consumption of peanut oil or salad oil in replacement of animal cooking oils had a marginal inverse association with total mortality. CONCLUSIONS Intakes of plant-sourced cooking oils, including peanut oil, soybean oil, canola oil, salad oil, and other plant cooking oils and substituting plant cooking oils for animal cooking oils were associated with lower total mortality among general Chinese population (NCT03259321).
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Affiliation(s)
- Fei Wu
- Department of Nutrition, School of Public Health, Zhejiang University School of Medicine, Hangzhou, Zhejiang, China
| | - Lei Mao
- Department of Nutrition, School of Public Health, Zhejiang University School of Medicine, Hangzhou, Zhejiang, China
| | - Pan Zhuang
- Department of Food Science and Nutrition, Zhejiang Key Laboratory for Agro-Food Processing, Fuli Institute of Food Science, College of Biosystems Engineering and Food Science, Zhejiang University, Hangzhou, Zhejiang, China
| | - Xiaoqian Chen
- Department of Food Science and Nutrition, Zhejiang Key Laboratory for Agro-Food Processing, Fuli Institute of Food Science, College of Biosystems Engineering and Food Science, Zhejiang University, Hangzhou, Zhejiang, China
| | - Jingjing Jiao
- Department of Nutrition, School of Public Health, Zhejiang University School of Medicine, Hangzhou, Zhejiang, China; Department of Nutrition of Affiliated Second Hospital, Zhejiang University School of Medicine, Hangzhou, Zhejiang, China.
| | - Yu Zhang
- Department of Food Science and Nutrition, Zhejiang Key Laboratory for Agro-Food Processing, Fuli Institute of Food Science, College of Biosystems Engineering and Food Science, Zhejiang University, Hangzhou, Zhejiang, China.
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Du H, Guo Y, Bennett DA, Bragg F, Bian Z, Chadni M, Yu C, Chen Y, Tan Y, Millwood IY, Gan W, Yang L, Yao P, Luo G, Li J, Qin Y, Lv J, Lin X, Key T, Chen J, Clarke R, Li L, Chen Z. Red meat, poultry and fish consumption and risk of diabetes: a 9 year prospective cohort study of the China Kadoorie Biobank. Diabetologia 2020; 63:767-779. [PMID: 31970429 PMCID: PMC7054352 DOI: 10.1007/s00125-020-05091-x] [Citation(s) in RCA: 31] [Impact Index Per Article: 7.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/16/2019] [Accepted: 12/12/2019] [Indexed: 01/07/2023]
Abstract
AIMS/HYPOTHESIS Previous evidence linking red meat consumption with diabetes risk mainly came from western countries, with little evidence from China, where patterns of meat consumption are different. Moreover, global evidence remains inconclusive about the associations of poultry and fish consumption with diabetes. Therefore we investigated the associations of red meat, poultry and fish intake with incidence of diabetes in a Chinese population. METHODS The prospective China Kadoorie Biobank recruited ~512,000 adults (59% women, mean age 51 years) from ten rural and urban areas across China in 2004-2008. At the baseline survey, a validated interviewer-administered laptop-based questionnaire was used to collect information on the consumption frequency of major food groups including red meat, poultry, fish, fresh fruit and several others. During ~9 years of follow-up, 14,931 incidences of new-onset diabetes were recorded among 461,036 participants who had no prior diabetes, cardiovascular diseases or cancer at baseline. Cox regression analyses were performed to calculate adjusted HRs for incident diabetes associated with red meat, poultry and fish intake. RESULTS At baseline, 47.0%, 1.3% and 8.9% of participants reported a regular consumption (i.e. ≥4 days/week) of red meat, poultry and fish, respectively. After adjusting for adiposity and other potential confounders, each 50 g/day increase in red meat and fish intake was associated with 11% (HR 1.11 [95% CI 1.04, 1.20]) and 6% (HR 1.06 [95% CI 1.00, 1.13]) higher risk of incident diabetes, respectively. For both, the associations were more pronounced among men and women from urban areas, with an HR (95% CI) of 1.42 (1.15, 1.74) and 1.18 (1.03, 1.36), respectively, per 50 g/day red meat intake and 1.15 (1.02, 1.30) and 1.11 (1.01, 1.23), respectively, per 50 g/day fish intake. There was no significant association between diabetes and poultry intake, either overall (HR 0.96 [95% CI 0.83, 1.12] per 50 g/day intake) or in specific population subgroups. CONCLUSIONS/INTERPRETATION In Chinese adults, both red meat and fish, but not poultry, intake were positively associated with diabetes risk, particularly among urban participants. Our findings add new evidence linking red meat and fish intake with cardiometabolic diseases. DATA AVAILABILITY Details of how to access the China Kadoorie Biobank data and rules of China Kadoorie Biobank data release are available from www.ckbiobank.org/site/Data+Access.
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Affiliation(s)
- Huaidong Du
- Medical Research Council Population Health Research Unit at the University of Oxford, Oxford, UK.
- Clinical Trial Service Unit and Epidemiological Studies Unit (CTSU), Nuffield Department of Population Health, University of Oxford, Old Road Campus, Oxford, OX3 7LF, UK.
| | - Yu Guo
- Chinese Academy of Medical Sciences, no. 9 Dong Dan San Tiao, Dong Cheng District, Beijing, 100730, China.
| | - Derrick A Bennett
- Clinical Trial Service Unit and Epidemiological Studies Unit (CTSU), Nuffield Department of Population Health, University of Oxford, Old Road Campus, Oxford, OX3 7LF, UK
| | - Fiona Bragg
- Clinical Trial Service Unit and Epidemiological Studies Unit (CTSU), Nuffield Department of Population Health, University of Oxford, Old Road Campus, Oxford, OX3 7LF, UK
| | - Zheng Bian
- Chinese Academy of Medical Sciences, no. 9 Dong Dan San Tiao, Dong Cheng District, Beijing, 100730, China
| | - Mahmuda Chadni
- Clinical Trial Service Unit and Epidemiological Studies Unit (CTSU), Nuffield Department of Population Health, University of Oxford, Old Road Campus, Oxford, OX3 7LF, UK
| | - Canqing Yu
- Department of Epidemiology and Biostatistics, Peking University Health Science Center, Peking University, Beijing, China
| | - Yiping Chen
- Medical Research Council Population Health Research Unit at the University of Oxford, Oxford, UK
- Clinical Trial Service Unit and Epidemiological Studies Unit (CTSU), Nuffield Department of Population Health, University of Oxford, Old Road Campus, Oxford, OX3 7LF, UK
| | - Yunlong Tan
- Chinese Academy of Medical Sciences, no. 9 Dong Dan San Tiao, Dong Cheng District, Beijing, 100730, China
| | - Iona Y Millwood
- Medical Research Council Population Health Research Unit at the University of Oxford, Oxford, UK
- Clinical Trial Service Unit and Epidemiological Studies Unit (CTSU), Nuffield Department of Population Health, University of Oxford, Old Road Campus, Oxford, OX3 7LF, UK
| | - Wei Gan
- Wellcome Trust Centre for Human Genetics, University of Oxford, Oxford, UK
| | - Ling Yang
- Medical Research Council Population Health Research Unit at the University of Oxford, Oxford, UK
- Clinical Trial Service Unit and Epidemiological Studies Unit (CTSU), Nuffield Department of Population Health, University of Oxford, Old Road Campus, Oxford, OX3 7LF, UK
| | - Pang Yao
- Clinical Trial Service Unit and Epidemiological Studies Unit (CTSU), Nuffield Department of Population Health, University of Oxford, Old Road Campus, Oxford, OX3 7LF, UK
| | - Guojin Luo
- Pengzhou CDC, Chengdu, Sichuan Province, China
| | - Jianguo Li
- Pengzhou CDC, Chengdu, Sichuan Province, China
| | - Yulu Qin
- NCDs Prevention and Control Department, Liuzhou CDC, Guangxi Autonomous Zone, China
| | - Jun Lv
- Department of Epidemiology and Biostatistics, Peking University Health Science Center, Peking University, Beijing, China
| | - Xu Lin
- CAS Key Laboratory of Nutrition, Metabolism and Food Safety, Shanghai Institute of Nutrition and Health, Chinese Academy of Sciences, Shanghai, China
| | - Tim Key
- Cancer Epidemiology Unit, Nuffield Department of Population Health, University of Oxford, Oxford, UK
| | - Junshi Chen
- China National Center for Food Safety Risk Assessment, Beijing, China
| | - Robert Clarke
- Clinical Trial Service Unit and Epidemiological Studies Unit (CTSU), Nuffield Department of Population Health, University of Oxford, Old Road Campus, Oxford, OX3 7LF, UK
| | - Liming Li
- Department of Epidemiology and Biostatistics, Peking University Health Science Center, Peking University, Beijing, China
| | - Zhengming Chen
- Clinical Trial Service Unit and Epidemiological Studies Unit (CTSU), Nuffield Department of Population Health, University of Oxford, Old Road Campus, Oxford, OX3 7LF, UK
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Cano-Sancho G, Alexandre-Gouabau MC, Moyon T, Royer AL, Guitton Y, Billard H, Darmaun D, Rozé JC, Boquien CY, Le Bizec B, Antignac JP. Simultaneous exploration of nutrients and pollutants in human milk and their impact on preterm infant growth: An integrative cross-platform approach. ENVIRONMENTAL RESEARCH 2020; 182:109018. [PMID: 31863943 DOI: 10.1016/j.envres.2019.109018] [Citation(s) in RCA: 12] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/30/2019] [Revised: 11/19/2019] [Accepted: 12/06/2019] [Indexed: 06/10/2023]
Abstract
Early nutritional management including fortified human breastmilk is currently recommended to fulfil the energy demands and counterbalance risks associated to preterm birth. However, little is known about the potential adverse effects of exposure to persistent organic pollutants (POPs) carried in human milk on preterm infant growth. We conducted a pilot study proving the application of an integrative analytical approach based on mass spectrometry (MS) coupled to advanced statistical models, favouring the comprehensive molecular profiling to support the identification of multiple biomarkers. We applied this workflow in the frame of a preterm infants' cohort to explore environmental determinants of growth. The combination of high resolution gas and liquid chromatography MS platforms generated a large molecular profile, including 102 pollutants and nutrients (targeted analysis) and 784 metabolites (non-targeted analysis). Data analysis consisted in a preliminary examination of associations between the signatures of POPs and the normalised growth of preterm infants, using multivariate linear regression adjusting for known confounding variables. A second analysis aimed to identify multidimensional biomarkers using a multiblock algorithm allowing the integration of multiple datasets in the growth model of preterm infants. The preliminary results did not suggest an impairment of preterm growth associated to the milk concentrations of POPs. The multiblock approach however revealed complex interrelated molecular networks of POPs, lipids, metabolites and amino acids in breastmilk associated to preterm infant growth, supporting the high potential of biomarkers exploration of this proposed workflow. Whereas the present study intended to identify simultaneously pollutant and nutrient exposure profiles associated to early preterm infant growth, this workflow may be easily adapted and applied to other matrices (e.g. serum) and research settings, favouring the functional exploration of environmental determinants of complex and multifactorial diseases.
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Affiliation(s)
| | - Marie-Cécile Alexandre-Gouabau
- Nantes Université, INRA, UMR1280, Physiopathologie des Adaptations Nutritionnelles, Centre de Recherche en Nutrition Humaine Ouest (CRNH-Ouest), Institut des Maladies de L'appareil Digestif (IMAD), F-44000, Nantes, France
| | - Thomas Moyon
- Nantes Université, INRA, UMR1280, Physiopathologie des Adaptations Nutritionnelles, Centre de Recherche en Nutrition Humaine Ouest (CRNH-Ouest), Institut des Maladies de L'appareil Digestif (IMAD), F-44000, Nantes, France
| | | | | | - Hélène Billard
- Nantes Université, INRA, UMR1280, Physiopathologie des Adaptations Nutritionnelles, Centre de Recherche en Nutrition Humaine Ouest (CRNH-Ouest), Institut des Maladies de L'appareil Digestif (IMAD), F-44000, Nantes, France
| | - Dominique Darmaun
- Nantes Université, INRA, UMR1280, Physiopathologie des Adaptations Nutritionnelles, Centre de Recherche en Nutrition Humaine Ouest (CRNH-Ouest), Institut des Maladies de L'appareil Digestif (IMAD), F-44000, Nantes, France
| | | | - Clair-Yves Boquien
- Nantes Université, INRA, UMR1280, Physiopathologie des Adaptations Nutritionnelles, Centre de Recherche en Nutrition Humaine Ouest (CRNH-Ouest), Institut des Maladies de L'appareil Digestif (IMAD), F-44000, Nantes, France; EMBA, European Milk Bank Association, Milano, Italy
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Namazi N, Brett NR, Bellissimo N, Larijani B, Heshmati J, Azadbakht L. The association between types of seafood intake and the risk of type 2 diabetes: a systematic review and meta-analysis of prospective cohort studies. Health Promot Perspect 2019; 9:164-173. [PMID: 31508336 PMCID: PMC6717924 DOI: 10.15171/hpp.2019.24] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/20/2018] [Accepted: 03/21/2019] [Indexed: 12/23/2022] Open
Abstract
Background: Seafood is the main source of long-chain n-3 polyunsaturated fatty acids (n-3PUFAs) with beneficial health effects; however, findings on the association between the consumption of different types of seafood and type 2 diabetes mellitus (T2DM) are conflicting. Our objective was to perform a systematic review and meta-analysis examining the relationship between different types of fish/seafood and the risk of T2DM in adult populations. Methods: A systematic search of PubMed/Medline, Scopus, and Web of Science (ISI) databases was performed for cohort studies, published in English, before 1 September 2017. Multivariate adjusted relative risk (RR) estimates with 95% confidence intervals (CIs) for each category of seafood were pooled to examine the association. Results: Comparing the highest vs. lowest fatty fish intake categories indicated that there was a significant inverse association between the consumption of fatty fish and onset of T2DM (RR:0.89; 95 % CI: 0.82, 0.98; I2: 0%, P=0.54). However, after performing sensitivity analysis, we found that eliminating one study resulted in a non-significant association (RR: 0.93; 95 % CI:0.80, 1.09). There were no significant associations between lean fish (RR: 1.03; 95% CI: 0.87,1.22, I2: 51.0%, P=0.08), seafood other than fish (RR: 0.95; 95% CI: 0.83, 1.10, I2: 71.2%,P=0.002), fish products (RR: 0.96; 95% CI: 0.82, 1.13, I2:0%, P=0.62), and fried fish (RR: 1.02;95% CI: 0.83, 1.26, I2:71.2%, P=0.06) and T2DM risk. Conclusion: The risk of T2DM was not associated with the intake of lean fish, seafood other than fish, and fish products. However, due to the low robustness of findings regarding protective roles of oily fish, more longitudinal studies are needed to clarify this association.
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Affiliation(s)
- Nazli Namazi
- Diabetes Research Center, Endocrinology and Metabolism Clinical Sciences Institute, Tehran University of Medical Sciences, Tehran, Iran
| | - Neil R. Brett
- School of Nutrition, Ryerson University, Toronto, Ontario, Canada
| | - Nick Bellissimo
- School of Nutrition, Ryerson University, Toronto, Ontario, Canada
| | - Bagher Larijani
- Endocrinology and Metabolism Research Center, Endocrinology and Metabolism Clinical Sciences Institute, Tehran University of Medical Sciences, Tehran, Iran
| | - Javad Heshmati
- Department of Nutritional Science, School of Nutritional Science and Food Technology, Kermanshah University of Medical Sciences, Kermanshah, Iran
| | - Leila Azadbakht
- Diabetes Research Center, Endocrinology and Metabolism Clinical Sciences Institute, Tehran University of Medical Sciences, Tehran, Iran
- Department of Community Nutrition, School of Nutritional Sciences and Dietetics, Tehran University of Medical Sciences, Tehran, Iran
- Department of Community Nutrition, School of Nutrition and Food Science, Isfahan University of Medical Sciences, Isfahan, Iran
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30
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Shi L, Brunius C, Bergdahl IA, Johansson I, Rolandsson O, Donat Vargas C, Kiviranta H, Hanhineva K, Åkesson A, Landberg R. Joint Analysis of Metabolite Markers of Fish Intake and Persistent Organic Pollutants in Relation to Type 2 Diabetes Risk in Swedish Adults. J Nutr 2019; 149:1413-1423. [PMID: 31209490 DOI: 10.1093/jn/nxz068] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/08/2019] [Revised: 02/13/2019] [Accepted: 03/20/2019] [Indexed: 01/20/2023] Open
Abstract
BACKGROUND There is conflicting evidence regarding the association between fish intake and type 2 diabetes (T2D) incidence, possibly owing to measurement errors in self-reported intake and coexposure to persistent organic pollutants (POPs) present in fish. OBJECTIVE The aim of this study was to identify plasma metabolites associated with fish intake and to assess their association with T2D risk, independently of POPs, in Swedish adults. METHODS In a case-control study nested in the Swedish Västerbotten Intervention Programme, fasting plasma samples from 421 matched T2D case-control pairs of men and women aged 30-60 y at baseline and 10-y follow-up samples from a subset of 149 pairs were analyzed using untargeted metabolomics. Moreover, 16 plasma POPs were analyzed for the 149 pairs who had repeated samples available. Fish-related plasma metabolites were identified using multivariate modelling and partial correlation analysis. Reproducibility of metabolites and metabolite patterns, derived via principal component analysis (PCA), was assessed by intraclass correlation. A unique component of metabolites unrelated to POPs was dissected by integrating metabolites and POPs using 2-way orthogonal partial least squares regression. ORs of T2D were estimated using conditional logistic regression. RESULTS We identified 31 metabolites associated with fish intake that had poor to good reproducibility. A PCA-derived metabolite pattern strongly correlated with fish intake (ρ = 0.37, P < 0.001) but showed no association with T2D risk. Integrating fish-related metabolites and POPs led to a unique metabolite component independent of POPs, which tended to be inversely associated with T2D risk (OR: 0.75; 95% CI: 0.54, 1.02, P = 0.07). This component mainly consisted of metabolites reflecting fatty fish intake. CONCLUSIONS Our results suggest that fatty fish intake may be beneficial for T2D prevention, after removing the counteractive effects of coexposure to POPs in Swedish adults. Integrating metabolite markers and POP exposures appears a promising approach to advance the understanding of associations between fish intake and T2D incidence.
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Affiliation(s)
- Lin Shi
- Department of Biology and Biological Engineering, Chalmers University of Technology, Gothenburg, Sweden
| | - Carl Brunius
- Department of Biology and Biological Engineering, Chalmers University of Technology, Gothenburg, Sweden
| | - Ingvar A Bergdahl
- Department of Biobank Research.,Department of Public Health and Clinical Medicine
| | | | | | | | - Hannu Kiviranta
- Environmental Health Unit, National Institute for Health and Welfare, Kuopio, Finland
| | - Kati Hanhineva
- LC-MS Metabolomics Center, Kuopio, Finland.,Department of Clinical Nutrition, University of Eastern Finland, Kuopio, Finland
| | - Agneta Åkesson
- Institute of Environmental Medicine, Karolinska Institutet, Stockholm, Sweden
| | - Rikard Landberg
- Department of Biology and Biological Engineering, Chalmers University of Technology, Gothenburg, Sweden.,Department of Public Health and Clinical Medicine
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Abstract
We provide an overview of studies on seafood intake in relation to obesity, insulin resistance and type 2 diabetes. Overweight and obesity development is for most individuals the result of years of positive energy balance. Evidence from intervention trials and animal studies suggests that frequent intake of lean seafood, as compared with intake of terrestrial meats, reduces energy intake by 4–9 %, sufficient to prevent a positive energy balance and obesity. At equal energy intake, lean seafood reduces fasting and postprandial risk markers of insulin resistance, and improves insulin sensitivity in insulin-resistant adults. Energy restriction combined with intake of lean and fatty seafood seems to increase weight loss. Marine n-3 PUFA are probably of importance through n-3 PUFA-derived lipid mediators such as endocannabinoids and oxylipins, but other constituents of seafood such as the fish protein per se, trace elements or vitamins also seem to play a largely neglected role. A high intake of fatty seafood increases circulating levels of the insulin-sensitising hormone adiponectin. As compared with a high meat intake, high intake of seafood has been reported to reduce plasma levels of the hepatic acute-phase protein C-reactive protein level in some, but not all studies. More studies are needed to confirm the dietary effects on energy intake, obesity and insulin resistance. Future studies should be designed to elucidate the potential contribution of trace elements, vitamins and undesirables present in seafood, and we argue that stratification into responders and non-responders in randomised controlled trials may improve the understanding of health effects from intake of seafood.
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Willows N, Johnson-Down L, Kenny TA, Chan HM, Batal M. Modelling optimal diets for quality and cost: examples from Inuit and First Nations communities in Canada 1. Appl Physiol Nutr Metab 2018; 44:696-703. [PMID: 30566364 DOI: 10.1139/apnm-2018-0624] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/31/2022]
Abstract
This review summarizes aspects of the 2017 Canadian Nutrition Society symposium, "Modelling diets for quality and cost: examples from Inuit and First Nations in Canada". Indigenous peoples in Canada experience a high prevalence of nutrition-related chronic disease because of the poor quality and high cost of their food supply. Since European colonization, they have transitioned from a diet of minimally processed traditional foods (game, fish, and plants) procured using pursuits such as hunting, fishing, gathering, and horticulture to a diet comprised mostly of processed market foods. This nutrition transition is the result of factors such as colonial policies and practices; climate change; environmental degradation; contaminants in traditional foods; and limited availability of, or access to, economical and healthful market foods. Presenters Malek Batal and Laurie Chan characterized the contemporary diets of First Nations and Inuit populations and demonstrated novel methods for modelling more optimal diets using 2 datasets: the First Nations Food, Nutrition, and Environment Study and the Inuit Health Survey. It was demonstrated how the NOVA classification characterized the portion of the diet consisting of processed foods. Dietary components were then manipulated to reduce ultra-processed food and drink intake to increase the Healthy Eating Index score. Linear programming was explained as a way to mathematically design theoretical diets that aim to optimize food cost, nutrition quality, and contaminant level of traditional foods. While diet-modelling methodologies have limitations, they provide a basis for engaging Indigenous peoples and governments to develop nutrition goals and policies anchored in contemporary food realities.
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Affiliation(s)
- Noreen Willows
- a Department of Agricultural, Food and Nutritional Science, University of Alberta, Edmonton, AB T6G 2P5, Canada
| | - Louise Johnson-Down
- b Département de nutrition, Faculté de Médecine, Université de Montréal, Montréal, QC H3T 1A8, Canada
| | - Tiff-Annie Kenny
- c Department of Biology, University of Ottawa, Ottawa, ON K1N 6N5, Canada
| | - Hing Man Chan
- c Department of Biology, University of Ottawa, Ottawa, ON K1N 6N5, Canada
| | - Malek Batal
- b Département de nutrition, Faculté de Médecine, Université de Montréal, Montréal, QC H3T 1A8, Canada
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Noreen W, Johnson-Down L, Jean-Claude M, Lucas M, Robinson E, Batal M. Factors associated with the intake of traditional foods in the Eeyou Istchee (Cree) of northern Quebec include age, speaking the Cree language and food sovereignty indicators. Int J Circumpolar Health 2018; 77:1536251. [PMID: 30360700 PMCID: PMC6211274 DOI: 10.1080/22423982.2018.1536251] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/03/2018] [Revised: 09/25/2018] [Accepted: 09/27/2018] [Indexed: 01/14/2023] Open
Abstract
The Eeyouch are a First Nations (Cree) population that live above 49.6°N latitude in Eeyou Istchee in northern Quebec. Eeyouch rely on traditional foods (TF) hunted, fished or gathered from the land. The overarching aim of this study was to achieve an understanding of the factors associated with TF intake among Eeyouch. Data were from 465 women and 330 men who participated in the Nituuchischaayihtitaau Aschii Multi-Community Environment-and-Health (E&H) study. The relationship between TF consumption and dietary, health, sociodemographic and food sovereignty (i.e. being a hunter or receiving Income Security to hunt, trap or fish) variables was examined using linear and logistic regression. Analyses were stratified by sex because of the male/female discrepancy in being a hunter. Among respondents, almost all (99.7%) consumed TF, 51% were hunters and 10% received Income Security. Higher intake of TF was associated with lower consumption of less nutritious ultra-processed products (UPP). In women, TF intake increased with age, hunting and receiving Income Security, but decreased with high school education. In men, TF intake increased with age and speaking only Cree at home. The findings suggest that increased food sovereignty would result in improved diet quality among Eeyouch through increased TF intake and decreased UPP intake.
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Affiliation(s)
- Willows Noreen
- Department of Agricultural, Food and Nutritional Science, University of Alberta, Edmonton, AB, Canada
| | - Louise Johnson-Down
- Département de nutrition, Faculté de Médecine, Université de Montréal, Montréal, QC, Canada
| | - Moubarac Jean-Claude
- Département de nutrition, Faculté de Médecine, Université de Montréal, Montréal, QC, Canada
| | - Michel Lucas
- Axe Santé publique et pratiques optimales en santé, Centre de recherche du Centre Hospitalier Universitaire (CHU) de Québec, Québec, QC, Canada
- Department of Social and Preventive Medicine, Université Laval, Québec, QC, Canada
| | - Elizabeth Robinson
- Cree Board of health and Social Services of James Bay, Montreal, QC, Canada
| | - Malek Batal
- Département de nutrition, Faculté de Médecine, Université de Montréal, Montréal, QC, Canada
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Mumford SL, Browne RW, Kim K, Nichols C, Wilcox B, Silver RM, Connell MT, Holland TL, Kuhr DL, Omosigho UR, Perkins NJ, Radin R, Sjaarda LA, Schisterman EF. Preconception Plasma Phospholipid Fatty Acids and Fecundability. J Clin Endocrinol Metab 2018; 103:4501-4510. [PMID: 30124893 PMCID: PMC6220440 DOI: 10.1210/jc.2018-00448] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/23/2018] [Accepted: 08/09/2018] [Indexed: 12/30/2022]
Abstract
CONTEXT Fatty acids (FAs) are important for reproductive processes, including steroidogenesis, though associations with fecundability, as measured by time to pregnancy (TTP), are unclear. OBJECTIVE To investigate the relationship between preconception plasma phospholipid FA (PPFA) levels and time to human chorionic gonadotropin-pregnancy among women with prior pregnancy loss. DESIGN, SETTING, AND PARTICIPANTS Prospective cohort of 1228 women attempting pregnancy (aged 18 to 40 years, with one or two prior pregnancy losses) followed for up to six cycles at four US university medical centers during 2006 to 2012. PPFA levels were measured at baseline. MAIN OUTCOME MEASURES Associations with fecundability overall and by body mass index (BMI) group after adjusting for confounders were estimated using fecundability odds ratios (FORs) and 95% CIs. False discovery rate (FDR) was used to account for multiple comparisons. RESULTS Monounsaturated fatty acids (MUFAs) were associated with increased fecundability or shorter TTP [FOR, 1.08 (95% CI, 1.01 to 1.16) per unit increase in percentage of total FAs], whereas polyunsaturated fatty acids (PUFAs) were associated with decreased fecundability or longer TTP [FOR, 0.95 (95% CI, 0.91 to 1.00) per 1% change], though associations only remained significant after FDR adjustment among women with BMI <25 kg/m2. Saturated FA and trans FA were not associated with fecundability. Omega-3 FAs and omega-6 linoleic acid were not associated with fecundability. CONCLUSION We observed associations between preconception MUFA and PUFA levels and fecundability among women with normal BMI, highlighting the importance of FA composition among normal-weight women with prior pregnancy loss.
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Affiliation(s)
- Sunni L Mumford
- Epidemiology Branch, DIPHR, NICHD, National Institutes of Health, Bethesda, Maryland
- Correspondence and Reprint Requests: Sunni L. Mumford, PhD, Earl Stadtman Investigator, Epidemiology Branch, Division of Intramural Population Health Research, Eunice Kennedy Shriver National Institute of Child Health and Human Development, National Institutes of Health, 6710B Rockledge Drive, MSC7004, Bethesda, Maryland 20817. E-mail:
| | - Richard W Browne
- Biotechnical and Clinical Laboratory Sciences, University at Buffalo, State University of New York, Buffalo, New York
| | - Keewan Kim
- Epidemiology Branch, DIPHR, NICHD, National Institutes of Health, Bethesda, Maryland
| | - Christina Nichols
- Epidemiology Branch, DIPHR, NICHD, National Institutes of Health, Bethesda, Maryland
| | - Brian Wilcox
- Department of Clinical Sciences, Geisinger Commonwealth School of Medicine, Scranton, Pennsylvania
| | - Robert M Silver
- Department of Family and Preventive Medicine, University of Utah Health Sciences Center, Salt Lake City, Utah
| | - Matthew T Connell
- Epidemiology Branch, DIPHR, NICHD, National Institutes of Health, Bethesda, Maryland
| | - Tiffany L Holland
- Epidemiology Branch, DIPHR, NICHD, National Institutes of Health, Bethesda, Maryland
| | - Daniel L Kuhr
- Epidemiology Branch, DIPHR, NICHD, National Institutes of Health, Bethesda, Maryland
- Department of Obstetrics and Gynecology, Case Western Reserve University, Cleveland, Ohio
- University Hospitals Cleveland Medical Center, Cleveland, Ohio
| | - Ukpebo R Omosigho
- Epidemiology Branch, DIPHR, NICHD, National Institutes of Health, Bethesda, Maryland
| | - Neil J Perkins
- Epidemiology Branch, DIPHR, NICHD, National Institutes of Health, Bethesda, Maryland
| | - Rose Radin
- Epidemiology Branch, DIPHR, NICHD, National Institutes of Health, Bethesda, Maryland
| | - Lindsey A Sjaarda
- Epidemiology Branch, DIPHR, NICHD, National Institutes of Health, Bethesda, Maryland
| | - Enrique F Schisterman
- Epidemiology Branch, DIPHR, NICHD, National Institutes of Health, Bethesda, Maryland
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Khalili-Moghadam S, Mirmiran P, Bahadoran Z, Azizi F. The Mediterranean diet and risk of type 2 diabetes in Iranian population. Eur J Clin Nutr 2018; 73:72-78. [DOI: 10.1038/s41430-018-0336-2] [Citation(s) in RCA: 15] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/22/2017] [Revised: 07/19/2018] [Accepted: 09/18/2018] [Indexed: 02/07/2023]
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Marushka L, Batal M, Schwartz H, Ing A, Fediuk K, Sharp D, Tikhonov C, Chan HM. Re: Association between fish consumption, dietary omega-3 fatty acids and persistent organic pollutants intake, and type 2 diabetes in 18 First Nations in Ontario, Canada. ENVIRONMENTAL RESEARCH 2018; 166:705-706. [PMID: 29880236 DOI: 10.1016/j.envres.2018.05.024] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/21/2018] [Accepted: 05/22/2018] [Indexed: 06/08/2023]
Affiliation(s)
| | | | | | - Amy Ing
- Université de Montréal, Canada
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Zhang Y, Zhuang P, He W, Chen JN, Wang WQ, Freedman ND, Abnet CC, Wang JB, Jiao JJ. Association of fish and long-chain omega-3 fatty acids intakes with total and cause-specific mortality: prospective analysis of 421 309 individuals. J Intern Med 2018; 284:399-417. [PMID: 30019399 DOI: 10.1111/joim.12786] [Citation(s) in RCA: 52] [Impact Index Per Article: 8.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
Abstract
BACKGROUND Prevailing dietary guidelines recommend regular fish consumption. However, the associations of fish and long-chain omega-3 polyunsaturated fatty acids (LCn-3 PUFAs) intakes with mortality remain unclear. OBJECTIVES To examine the associations of fish and LCn-3 PUFAs intakes with total and cause-specific mortality. METHODS A total of 240 729 men and 180 580 women from NIH-AARP Diet and Health Study were prospectively followed-up for 16 years. Dietary intakes were assessed using a validated NIH Diet History Questionnaire. RESULTS A total of 54 230 men and 30 882 women died during 6.07 million person-years of follow-up. Higher fish and LCn-3 PUFAs intakes were significantly associated with lower total mortality (P < 0.0001). Comparing the highest with lowest quintiles of fish intake, men had 9% (95% confidence interval, 6-11%) lower total mortality, 10% (6-15%) lower cardiovascular disease (CVD) mortality, 6% (1-10%) lower cancer mortality, 20% (11-28%) lower respiratory disease mortality and 37% (17-53%) lower chronic liver disease mortality, while women had 8% (5-12%) lower total mortality, 10% (3-17%) lower CVD mortality and 38% (20-52%) lower Alzheimer's disease mortality. Fried fish consumption was not related to mortality in men whereas positively associated with mortality from all causes (P = 0.011), CVD and respiratory disease in women. LCn-3 PUFAs intake was associated with 15% and 18% lower CVD mortality in men and women across extreme quintiles, respectively. CONCLUSION Consumption of fish and LCn-3 PUFAs was robustly associated with lower mortality from major causes. Our findings support current guidelines for fish consumption while advice on non-frying preparation methods is needed.
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Affiliation(s)
- Y Zhang
- National Engineering Laboratory of Intelligent Food Technology and Equipment, Zhejiang Key Laboratory for Agro-Food Processing, College of Biosystems Engineering and Food Science, Zhejiang University, Zhejiang, China
| | - P Zhuang
- National Engineering Laboratory of Intelligent Food Technology and Equipment, Zhejiang Key Laboratory for Agro-Food Processing, College of Biosystems Engineering and Food Science, Zhejiang University, Zhejiang, China
| | - W He
- Department of Medical Epidemiology and Biostatistics, Karolinska Institutet, Huddinge, Stockholm, Sweden
| | - J N Chen
- National Engineering Laboratory of Intelligent Food Technology and Equipment, Zhejiang Key Laboratory for Agro-Food Processing, College of Biosystems Engineering and Food Science, Zhejiang University, Zhejiang, China
| | - W Q Wang
- Department of Nutrition, School of Public Health, Zhejiang University School of Medicine, Zhejiang, China
| | - N D Freedman
- Division of Cancer Epidemiology and Genetics, National Cancer Institute, NIH, Bethesda, MD, USA
| | - C C Abnet
- Division of Cancer Epidemiology and Genetics, National Cancer Institute, NIH, Bethesda, MD, USA
| | - J B Wang
- Department of Epidemiology and Health Statistics, School of Public Health, Zhejiang University School of Medicine, Hangzhou, Zhejiang, China
| | - J J Jiao
- Department of Nutrition, School of Public Health, Zhejiang University School of Medicine, Zhejiang, China
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Shi L, Brunius C, Johansson I, Bergdahl IA, Lindahl B, Hanhineva K, Landberg R. Plasma metabolites associated with healthy Nordic dietary indexes and risk of type 2 diabetes-a nested case-control study in a Swedish population. Am J Clin Nutr 2018; 108:564-575. [PMID: 30060042 PMCID: PMC6288641 DOI: 10.1093/ajcn/nqy145] [Citation(s) in RCA: 27] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/02/2018] [Accepted: 06/01/2018] [Indexed: 12/14/2022] Open
Abstract
Background Epidemiologic evidence on the association of a healthy Nordic diet and future type 2 diabetes (T2D) is limited. Exploring metabolites as biomarkers of healthy Nordic dietary patterns may facilitate investigation of associations between such patterns and T2D. Objectives We aimed to identify metabolites related to a priori-defined healthy Nordic dietary indexes, the Baltic Sea Diet Score (BSDS) and Healthy Nordic Food Index (HNFI), and evaluate associations with the T2D risk in a case-control study nested in a Swedish population-based prospective cohort. Design Plasma samples from 421 case-control pairs at baseline and samples from a subset of 151 healthy controls at a 10-y follow-up were analyzed with the use of untargeted liquid chromatography-mass spectrometry metabolomics. Index-related metabolites were identified through the use of random forest modelling followed by partial correlation analysis adjustment for lifestyle confounders. Metabolite patterns were derived via principal component analysis (PCA). ORs of T2D were estimated via conditional logistic regression. Reproducibility of metabolites was assessed by intraclass correlation (ICC) in healthy controls. Associations were also assessed for 10 metabolites previously identified as linking a healthy Nordic diet with T2D. Results In total, 31 metabolites were associated with BSDS and/or HNFI (-0.19 ≤ r ≤ 0.21, 0.10 ≤ ICC ≤ 0.59). Two PCs were determined from index-related metabolites: PC1 strongly correlated to the indexes (r = 0.27 for BSDS, r = 0.25 for HNFI, ICC = 0.45) but showed no association with T2D risk. PC2 was weakly associated with the indexes, but more strongly with foods not part of the indexes, e.g., pizza, sausages, and hamburgers. PC2 was also significantly associated with T2D risk. Predefined metabolites were confirmed to be reflective of consumption of whole grains, fish, or vegetables, but not related to T2D risk. Conclusions Our study did not support an association between healthy Nordic dietary indexes and T2D. However, foods such as hamburger, sausage, and pizza not covered by the indexes appeared to be more important for T2D risk in the current population.
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Affiliation(s)
- Lin Shi
- Department of Molecular Sciences, Swedish University of Agricultural Sciences, Uppsala, Sweden,Department of Biology and Biological Engineering, Chalmers University of Technology, Gothenburg, Sweden,Address correspondence to LS (e-mail: ; )
| | - Carl Brunius
- Department of Biology and Biological Engineering, Chalmers University of Technology, Gothenburg, Sweden
| | - Ingegerd Johansson
- Departments of Odontology, Section of Cariology, Biobank Research, Public Health and Clinical Medicine, Umeå University, Umeå, Sweden
| | - Ingvar A Bergdahl
- Departments of Biobank Research, Public Health and Clinical Medicine, Umeå University, Umeå, Sweden
| | - Bernt Lindahl
- Departments of Public Health and Clinical Medicine, Umeå University, Umeå, Sweden
| | - Kati Hanhineva
- LC-MS Metabolomics Center, Kuopio, Finland,Institute of Public Health and Clinical Nutrition, Department of Clinical Nutrition, University of Eastern Finland, Kuopio, Finland
| | - Rikard Landberg
- Department of Molecular Sciences, Swedish University of Agricultural Sciences, Uppsala, Sweden,Department of Biology and Biological Engineering, Chalmers University of Technology, Gothenburg, Sweden
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Arrebola JP, Castaño A, Esteban M, Bartolomé M, Pérez-Gómez B, Ramos JJ. Differential contribution of animal and vegetable food items on persistent organic pollutant serum concentrations in Spanish adults. Data from BIOAMBIENT.ES project. THE SCIENCE OF THE TOTAL ENVIRONMENT 2018; 634:235-242. [PMID: 29627546 DOI: 10.1016/j.scitotenv.2018.03.283] [Citation(s) in RCA: 36] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/01/2017] [Revised: 03/22/2018] [Accepted: 03/23/2018] [Indexed: 05/20/2023]
Abstract
Diet is considered the main source of Persistent Organic Pollutant (POP) exposure in the general population, although there are still several gaps of knowledge regarding the differential contribution of main food groups. The aim of this study was to identify dietary patterns that contribute to human exposure to organochlorine pesticides (OCPs), polychlorinated biphenyls (PCBs), and Perfluoroalkyl Substances (PFASs). Study population (n=1880, 18-65years old) was recruited during 2009-2010 in all the main geographical areas of Spain. For this work, exposure was estimated by chemical analyses of serum levels of 6 PCBs (n=1880), 13 OCPs (n=934), and 6 (PFASs) in a subsample of 755 (n=755). Dietary habits and covariates were gathered via self-administered questionnaires. Data analyses were performed by means of multivariable linear regression and weighted quantile sum regression. Both the consumption of animal-based and plant-based food were positively associated with the individual concentrations of p,p´-DDE, hexachlorobenzene, and PCB-congeners -138, -153, and-180. The contribution of animal-based products was 2.1-4.0× stronger except in p,p´-DDE, to which both patterns had similar contributions. In PFASs only animal food was positively associated with the exposure levels. The main animal-based contributors to PCB exposure were fish (49-64%) and eggs (19-36%), while OCP concentrations were mainly influenced by dairy products (32-48%) and fish (47-48%). PFOA and PFHxS were mainly explained by cold-meat (34-37%), fish (25-26%), and eggs (19-21%), while PFOS and PFDA were primarily influenced by fish consumption (44-77%). In the case of plant-based items, fruits (25-82%) and vegetables (18-63%) accounted for the majority of the variability of PCB and OCP concentrations. Our results highlight the relevance of dietary POP exposure as well as the need for the consideration of nutritional interventions in public health programs aiming to reduce POP exposure in the general population.
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Affiliation(s)
- Juan Pedro Arrebola
- Centro Nacional de Sanidad Ambiental (CNSA), Instituto de Salud Carlos III, Madrid, Spain; Instituto de Investigación Biosanitaria (ibs.GRANADA), Hospitales Universitarios de Granada, Spain; Oncology Unit, Virgen de las Nieves University Hospital, Granada, Spain
| | - Argelia Castaño
- Centro Nacional de Sanidad Ambiental (CNSA), Instituto de Salud Carlos III, Madrid, Spain
| | - Marta Esteban
- Centro Nacional de Sanidad Ambiental (CNSA), Instituto de Salud Carlos III, Madrid, Spain
| | - Mónica Bartolomé
- Centro Nacional de Sanidad Ambiental (CNSA), Instituto de Salud Carlos III, Madrid, Spain
| | - Beatriz Pérez-Gómez
- CIBER de Epidemiología y Salud Pública (CIBERESP), Spain; Centro Nacional de Epidemiología, Instituto de Salud Carlos III, Madrid, Spain
| | - Juan José Ramos
- Centro Nacional de Sanidad Ambiental (CNSA), Instituto de Salud Carlos III, Madrid, Spain.
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Villeneuve PJ, Miller JD. Re: Association between fish consumption, dietary omega-3 fatty acids and persistent organic pollutants intake, and type 2 diabetes in 18 First Nations in Ontario, Canada. ENVIRONMENTAL RESEARCH 2018; 165:446-447. [PMID: 29653825 DOI: 10.1016/j.envres.2018.03.027] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/05/2018] [Revised: 03/15/2018] [Accepted: 03/16/2018] [Indexed: 06/08/2023]
Affiliation(s)
- Paul J Villeneuve
- Department of Health Sciences, Carleton University, Health Sciences Building, Room 3305, Ottawa, Ontario, Canada K1S 5B6.
| | - J David Miller
- Department of Chemistry, Carleton University,Ottawa, Ontario, Canada
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Marushka L, Hu X, Batal M, Sadik T, Schwartz H, Ing A, Fediuk K, Tikhonov C, Chan HM. The Relationship between Persistent Organic Pollutants Exposure and Type 2 Diabetes among First Nations in Ontario and Manitoba, Canada: A Difference in Difference Analysis. INTERNATIONAL JOURNAL OF ENVIRONMENTAL RESEARCH AND PUBLIC HEALTH 2018; 15:E539. [PMID: 29562596 PMCID: PMC5877084 DOI: 10.3390/ijerph15030539] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 01/20/2018] [Revised: 03/08/2018] [Accepted: 03/16/2018] [Indexed: 12/11/2022]
Abstract
We previously studied the association between fish consumption and prevalence of type 2 diabetes (T2D) in Manitoba and Ontario First Nations (FNs), Canada and found different results. In this study, we used a difference in difference model to analyze the data. Dietary and health data from the First Nations Food Nutrition and Environment Study, a cross-sectional study of 706 Manitoba and 1429 Ontario FNs were analyzed. The consumption of fish was estimated using a food frequency questionnaire. Fish samples were analyzed for dichloro diphenyldichloro ethylene (DDE) and polychlorinated biphenyls (PCBs) content. Difference in difference model results showed that persistent organic pollutant (POP) exposure was positively associated with T2D in a dose-response manner. Stronger positive associations were found among females (OR = 14.96 (3.72-60.11)) than in males (OR = 2.85 (1.14-8.04)). The breakpoints for DDE and PCB intake were 2.11 ng/kg/day and 1.47 ng/kg/day, respectively. Each further 1 ng/kg/day increase in DDE and PCB intake increased the risk of T2D with ORs 2.29 (1.26-4.17) and 1.44 (1.09-1.89), respectively. Our findings suggest that the balance of risk and benefits associated with fish consumption is highly dependent on the regional POP concentrations in fish.
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Affiliation(s)
- Lesya Marushka
- Biology Department, University of Ottawa, 180 Gendron Hall, 30 Marie Curie, Ottawa, ON K1N 6N5, Canada.
| | - Xuefeng Hu
- Biology Department, University of Ottawa, 180 Gendron Hall, 30 Marie Curie, Ottawa, ON K1N 6N5, Canada.
| | - Malek Batal
- Nutrition Department, Faculty of Medicine, Université de Montréal, Pavillon Liliane de Stewart, 2405 Côte-Sainte-Catherine Street, Montreal, QC H3T 1A8, Canada.
| | - Tonio Sadik
- Assembly of First Nations, 55 Metcalfe St #1600, Ottawa, ON K1P 6L5, Canada.
| | - Harold Schwartz
- Health Canada, Environmental Public Health Division, First Nations and Inuit Health Branch (FNIHB), Room 2000A Jeanne Mance Bldg. AL 1920A, Tunney's Pasture, Ottawa, ON K1A 0K9, Canada.
| | - Amy Ing
- Nutrition Department, Faculty of Medicine, Université de Montréal, Pavillon Liliane de Stewart, 2405 Côte-Sainte-Catherine Street, Montreal, QC H3T 1A8, Canada.
| | - Karen Fediuk
- Dietitian and Nutrition Researcher, Victoria, BC V8Y2V8, Canada.
| | - Constantine Tikhonov
- Health Canada, Environmental Public Health Division, First Nations and Inuit Health Branch (FNIHB), Room 2000A Jeanne Mance Bldg. AL 1920A, Tunney's Pasture, Ottawa, ON K1A 0K9, Canada.
| | - Hing Man Chan
- Biology Department, University of Ottawa, 180 Gendron Hall, 30 Marie Curie, Ottawa, ON K1N 6N5, Canada.
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Li X, Tang K, Jin XR, Xiang Y, Xu J, Yang LL, Wang N, Li YF, Ji AL, Zhou LX, Cai TJ. Short-term air pollution exposure is associated with hospital length of stay and hospitalization costs among inpatients with type 2 diabetes: a hospital-based study. JOURNAL OF TOXICOLOGY AND ENVIRONMENTAL HEALTH. PART A 2018; 81:819-829. [PMID: 30015599 DOI: 10.1080/15287394.2018.1491912] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/16/2023]
Abstract
Air pollution is a risk factor for type 2 diabetes (T2D), exerting heavy economic burden on both individuals and societies. However, there is no apparent report regarding the influence of air pollutants such as particulate matter (PM2.5 and PM10), sulfur dioxide (SO2), carbon monoxide (CO), nitrogen dioxide (NO2), and ozone (O3) on financial burden to individuals and societies suffering from T2D. This study aimed to determine whether short-term (no more than 16 d) air pollution exposure was associated with T2D-related length of stay (LOS) and hospitalization expenses incurred by patients. This investigation examined 2840 T2D patients hospitalized from December 17, 2013 to May 31, 2016 in China. Multiple linear regression analysis was applied to determine the association between short-term (no more than 16 d) ambient air pollution, LOS, and hospitalization expenses, controlling for age, gender, ethnicity, marital status, and weather conditions. Sulfur dioxide (SO2) and carbon monoxide (CO) were significantly positively while nitrogen dioxide (NO2) was negatively associated with presence of T2D, LOS, and expenses. A 10-μg/m3 rise in 16-d (lag 0-15) average concentrations of SO2 and CO prior to hospitalization was correlated with a significant elevation in LOS and elevation in expenses in T2D patients. However, a 10-μg/m3 rise in 16-d average NO2 was associated with marked negative alterations in LOS and hospital costs in T2D patients. Taken together, data demonstrate that exposure to air pollutants impacts differently on LOS and hospitalization costs for T2D patients. This is the first apparent report regarding the correlation between air pollution exposure and clinical costs of T2D in China. It is of interest that air pollutants affected T2D patients differently as evidenced by LOS and clinical expenses where SO2 and CO exhibited a positive adverse relationship in contrast to NO2.
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Affiliation(s)
- Xiang Li
- a Department of Epidemiology, College of Preventive Medicine , Third Military Medical University (Army Medical University) , Chongqing , China
- b Fourth Battalion of Student Brigade , Third Military Medical University (Army Medical University) , Chongqing , China
| | - Kai Tang
- c Third Battalion of Student Brigade , Third Military Medical University (Army Medical University) , Chongqing , China
| | - Xu-Rui Jin
- b Fourth Battalion of Student Brigade , Third Military Medical University (Army Medical University) , Chongqing , China
| | - Ying Xiang
- a Department of Epidemiology, College of Preventive Medicine , Third Military Medical University (Army Medical University) , Chongqing , China
| | - Jing Xu
- d Department of Endocrinology , Xinqiao Hospital, Third Military Medical University (Army Medical University) , Chongqing , China
| | - Li-Li Yang
- e Department of Information , Xinqiao Hospital, Third Military Medical University (Army Medical University) , Chongqing , China
| | - Nan Wang
- f Medical department , Xinqiao Hospital, Third Military Medical University (Army Medical University) , Chongqing , China
| | - Ya-Fei Li
- a Department of Epidemiology, College of Preventive Medicine , Third Military Medical University (Army Medical University) , Chongqing , China
| | - Ai-Ling Ji
- g Department of Preventive Medicine & Chongqing Engineering Research Center of Pharmaceutical Sciences , Chongqing Medical and Pharmaceutical College , Chongqing , China
| | - Lai-Xin Zhou
- f Medical department , Xinqiao Hospital, Third Military Medical University (Army Medical University) , Chongqing , China
| | - Tong-Jian Cai
- a Department of Epidemiology, College of Preventive Medicine , Third Military Medical University (Army Medical University) , Chongqing , China
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Marushka L, Batal M, Sharp D, Schwartz H, Ing A, Fediuk K, Black A, Tikhonov C, Chan HM. Fish consumption is inversely associated with type 2 diabetes in Manitoba First Nations communities. Facets (Ott) 2017. [DOI: 10.1139/facets-2017-0023] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/02/2023] Open
Abstract
Consumption of fish and n-3 fatty acids (n-3 FAs) has been postulated to prevent type 2 diabetes (T2D).Objective: To explore the association between self-reported T2D and fish consumption, dietary n-3 FAs, and persistent organic pollutants (POP) intake in a regionally representative sample of First Nations (FNs) in Manitoba.Design: Data from the cross-sectional First Nations Food, Nutrition and Environment Study (FNFNES) collected from 706 members of 8 Manitoba FNs in 2010 were used. Household interviews were used to collect social and lifestyle data. The consumption of fish was estimated using a traditional food frequency questionnaire. Fish samples were analyzed for the presence of POP. Multiple logistic regression models adjusted for potential risk factors for T2D were developed.Results: A negative, dose–response relationship was found between fish intake and self-reported T2D. Fish consumptions of 2–3 portions per month and ≥1/week were inversely associated with T2D with odds ratio (OR) values of 0.51 (95% CI: 0.28–0.91) and 0.40 (95% CI: 0.19–0.82), respectively, compared with no fish intake. Similarly, intake of n-3 FAs was negatively associated with T2D (OR = 0.48 (95% CI: 0.30–0.77). Dietary POP intake was not associated with T2D.Conclusion: These findings suggest that the consumption of traditionally harvested fish may have a beneficial effect on T2D in Manitoba FNs.
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Affiliation(s)
- Lesya Marushka
- Biology Department, University of Ottawa, 180 Gendron Hall, 30 Marie Curie, Ottawa, ON K1N 6N5, Canada
| | - Malek Batal
- Nutrition Department, Faculty of Medicine, Université de Montréal, Pavillon Liliane de Stewart, 2405 Côte-Sainte-Catherine Street, Montreal, QC H3T 1A8, Canada
| | - Donald Sharp
- Assembly of First Nations, 55 Metcalfe St #1600, Ottawa, ON K1P 6L5, Canada
| | - Harold Schwartz
- Health Canada, Environmental Public Health Division, First Nations and Inuit Health Branch (FNIHB), Room 2000A Jeanne Mance Bldg. AL 1920A, Tunney’s Pasture, Ottawa, ON K1A 0K9, Canada
| | - Amy Ing
- Nutrition Department, Faculty of Medicine, Université de Montréal, Pavillon Liliane de Stewart, 2405 Côte-Sainte-Catherine Street, Montreal, QC H3T 1A8, Canada
| | - Karen Fediuk
- Dietitian and Nutrition Researcher, Ladysmith, BC, Canada
| | - Andrew Black
- Assembly of First Nations, 55 Metcalfe St #1600, Ottawa, ON K1P 6L5, Canada
| | - Constantine Tikhonov
- Health Canada, Environmental Public Health Division, First Nations and Inuit Health Branch (FNIHB), Room 2000A Jeanne Mance Bldg. AL 1920A, Tunney’s Pasture, Ottawa, ON K1A 0K9, Canada
| | - Hing Man Chan
- Biology Department, University of Ottawa, 180 Gendron Hall, 30 Marie Curie, Ottawa, ON K1N 6N5, Canada
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