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Shah S, Kim HS, Hong YC, Park H, Ha M, Kim Y, Lee JH, Ha EH. Infantile allergic diseases: a cohort study prenatal fish intake and mercury exposure context. BMC Public Health 2024; 24:568. [PMID: 38388869 PMCID: PMC10885545 DOI: 10.1186/s12889-024-18008-9] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/10/2023] [Accepted: 02/06/2024] [Indexed: 02/24/2024] Open
Abstract
BACKGROUND Allergic diseases (ADs) have been increasingly reported in infants and children over the last decade. Diet, especially the inclusion of fish intake, may help to lower the risk of ADs. However, fish also, can bioaccumulate environmental contaminants such as mercury. Hence, our study aims to determine what effects the type and frequency of fish intake have on ADs in six-month-old infants, independently and jointly with mercury exposure. METHODS This study is part of the prospective birth cohort: Mothers and Children's Environmental Health (MOCEH) study in South Korea. Data was collected on prenatal fish intake, prenatal mercury concentration and ADs for infants aged six months for 590 eligible mother-infant pairs. Logistic regression analysis was conducted to evaluate the risk of prenatal fish intake and mercury concentration on ADs in infants. Finally, interaction between fish intake and mercury concentration affecting ADs in infants was evaluated. Hazard ratios of prenatal fish intake on ADs in 6 month old infants were calculated by prenatal mercury exposure. RESULTS Logistic regression analysis showed that white fish (OR: 0.53; 95% CI 0.30-0.94; P < 0.05) intake frequency, once a week significantly decreased the risk of ADs in infants. Stratification analysis showed that consuming white fish once a week significantly reduced the hazard of ADs (HR: 0.44; 95% CI 0.21-0.92; P < 0.05) in infants in the high-mercury (≥ 50th percentile) exposure group. CONCLUSION The result indicates that prenatal white fish intake at least once a week reduces the risk of ADs in infants, especially in the group with high prenatal mercury exposure.
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Affiliation(s)
- Surabhi Shah
- Department of Environmental Medicine, Ewha Womans University College of Medicine, 808-1, Magok-dong, Gangseo-gu, 07804, Seoul, Republic of Korea
| | - Hae Soon Kim
- Department of Pediatrics, Ewha Womans University College of Medicine, 808-1, Magok-dong, Gangseo-gu, 07804, Seoul, Republic of Korea
| | - Yun-Chul Hong
- Department of Preventive Medicine, College of Medicine, Seoul National University, Seoul, Republic of Korea
| | - Hyesook Park
- Department of Preventive Medicine, College of Medicine, Ewha Womans University, Seoul, Republic of Korea
- System Health & Engineering Major in Graduate School (BK21 Plus Program), Ewha Womans University, Seoul, Republic of Korea
| | - Mina Ha
- Department of Preventive Medicine, Dankook University College of Medicine, Cheonan, Republic of Korea
| | - Yangho Kim
- Department of Occupational and Environmental Medicine, University of Ulsan College of Medicine, Ulsan University Hospital, Ulsan, Republic of Korea
| | - Ji Hyen Lee
- Department of Pediatrics, Ewha Womans University College of Medicine, 808-1, Magok-dong, Gangseo-gu, 07804, Seoul, Republic of Korea.
| | - Eun-Hee Ha
- Department of Environmental Medicine, Ewha Womans University College of Medicine, 808-1, Magok-dong, Gangseo-gu, 07804, Seoul, Republic of Korea.
- System Health & Engineering Major in Graduate School (BK21 Plus Program), Ewha Womans University, Seoul, Republic of Korea.
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Inoue M, Matsumura K, Hamazaki K, Tsuchida A, Inadera H. Maternal dietary intake of fish and child neurodevelopment at 3 years: a nationwide birth cohort-The Japan Environment and Children's Study. Front Public Health 2024; 11:1267088. [PMID: 38328548 PMCID: PMC10847349 DOI: 10.3389/fpubh.2023.1267088] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/26/2023] [Accepted: 12/11/2023] [Indexed: 02/09/2024] Open
Abstract
Background Results on the association between fish intake during pregnancy and a reduction in neurodevelopmental delays in children have been inconsistent, with some reports finding an association and others finding none. Because neurodevelopmental delays are more pronounced at the age of 3 years, their association needs to be examined at this age. Methods After exclusion and multiple imputation from a dataset comprising 104,057 records from the Japan Environment and Children's Study, logistic regression analysis was conducted in quintiles to evaluate the association between maternal fish intake during pregnancy and child neurodevelopment at age 3 years in 91,909 mother-child pairs. The Food Frequency Questionnaire (FFQ), validated in the Japan Public Health Center-Based Prospective Study for the Next Generation, was used to assess maternal fish intake during pregnancy. The Ages and Stages Questionnaires-3 was used to assess children's neurodevelopment in five domains: communication, gross motor, fine motor, problem-solving, and personal-social. Results Consistently lower odds were found for the highest vs. lowest quintile for the domains of communication, fine motor, problem-solving, and personal-social but not gross motor skills, with adjusted odd ratios (95% confidence intervals) of 0.89 (0.80-0.998), 0.90 (0.83-0.97), 0.86 (0.80-0.94), 0.87 (0.77-0.98), and 1.04 (0.94-1.16), respectively. The trend for lower odds of symptoms of neurodevelopmental delays across quintiles of higher maternal fish intake were significant for fine motor, problem-solving, and personal-social but not communication or gross motor. Conclusions Fish consumption during pregnancy may be associated with a reduced risk of neurodevelopmental delay in 3-year-olds, particularly in the fine motor, problem-solving, and personal-social domains. Continued investigation after the age of 3 could further clarify the association.
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Affiliation(s)
- Mariko Inoue
- Department of Public Health, Faculty of Medicine, University of Toyama, Toyama, Japan
| | - Kenta Matsumura
- Department of Public Health, Faculty of Medicine, University of Toyama, Toyama, Japan
- Toyama Regional Center for JECS Study, Faculty of Medicine, University of Toyama, Toyama, Japan
| | - Kei Hamazaki
- Department of Public Health, Faculty of Medicine, University of Toyama, Toyama, Japan
- Toyama Regional Center for JECS Study, Faculty of Medicine, University of Toyama, Toyama, Japan
- Department of Public Health, Gunma University Graduate School of Medicine, Maebashi, Japan
| | - Akiko Tsuchida
- Department of Public Health, Faculty of Medicine, University of Toyama, Toyama, Japan
- Toyama Regional Center for JECS Study, Faculty of Medicine, University of Toyama, Toyama, Japan
| | - Hidekuni Inadera
- Department of Public Health, Faculty of Medicine, University of Toyama, Toyama, Japan
- Toyama Regional Center for JECS Study, Faculty of Medicine, University of Toyama, Toyama, Japan
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Stråvik M, Gustin K, Barman M, Levi M, Sandin A, Wold AE, Sandberg AS, Kippler M, Vahter M. Biomarkers of seafood intake during pregnancy - Pollutants versus fatty acids and micronutrients. ENVIRONMENTAL RESEARCH 2023; 225:115576. [PMID: 36878269 DOI: 10.1016/j.envres.2023.115576] [Citation(s) in RCA: 7] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/21/2022] [Revised: 02/22/2023] [Accepted: 02/24/2023] [Indexed: 06/18/2023]
Abstract
Intake of fish and seafood during pregnancy may have certain beneficial effects on fetal development, but measurement of intake using questionnaires is unreliable. Here, we assessed several candidate biomarkers of seafood intake, including long-chain omega 3 fatty acids (n-3 LCPUFA), selenium, iodine, methylmercury, and different arsenic compounds, in 549 pregnant women (gestational week 29) in the prospective birth cohort NICE (Nutritional impact on Immunological maturation during Childhood in relation to the Environment). Proportions of the fatty acids eicosapentaenoic acid (EPA), docosapentaenoic acid (DPA), and docosahexaenoic acid (DHA) in erythrocytes were measured using gas chromatography with flame ionization detector. Selenium was measured in blood plasma and erythrocytes, mercury and arsenic in erythrocytes, and iodine and several arsenic compounds in urine, using inductively coupled plasma mass spectrometry, arsenic compounds after first being separated by ion exchange high-performance liquid chromatography (HPLC). Each biomarker was related to intake of total seafood and to intake of fatty and lean fish, and shellfish in third trimester, estimated from a semi-quantitative food frequency questionnaire filled out in gestational week 34. The pregnant women reported a median total seafood intake of 184 g/week (5th-95th percentiles: 34-465 g/week). This intake correlated most strongly with erythrocyte mercury concentrations (rho = 0.49, p < 0.001), consisting essentially of methylmercury, followed by total arsenic in erythrocytes (rho = 0.34, p < 0.001), and arsenobetaine in urine (rho = 0.33, p < 0.001), the main form of urinary arsenic. These biomarkers correlated well with intake of both fatty fish, lean fish, and shellfish. Erythrocyte DHA and plasma selenium correlated, although weakly, mainly with fatty fish (rho = 0.25 and 0.22, respectively, both p < 0.001). In conclusion, elevated concentrations of erythrocyte mercury and urinary arsenobetaine can be useful indicators of seafood intake, more so than the n-3 LCPUFAs. However, the relative importance of the biomarkers may differ depending on the type and amount of seafood consumed.
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Affiliation(s)
- Mia Stråvik
- Department of Life Sciences, Food and Nutrition Science, Chalmers University of Technology, 412 96, Gothenburg, Sweden.
| | - Klara Gustin
- Institute of Environmental Medicine, Unit of Metals and Health, Karolinska Institutet, 171 77, Stockholm, Sweden
| | - Malin Barman
- Department of Life Sciences, Food and Nutrition Science, Chalmers University of Technology, 412 96, Gothenburg, Sweden; Institute of Environmental Medicine, Unit of Metals and Health, Karolinska Institutet, 171 77, Stockholm, Sweden
| | - Michael Levi
- Institute of Environmental Medicine, Unit of Metals and Health, Karolinska Institutet, 171 77, Stockholm, Sweden
| | - Anna Sandin
- Department of Clinical Science, Pediatrics, Sunderby Research Unit, Umeå University, 901 87, Umeå, Sweden
| | - Agnes E Wold
- Department of Infectious Diseases, Institute of Biomedicine, Sahlgrenska Academy, University of Gothenburg, 413 90, Gothenburg, Sweden
| | - Ann-Sofie Sandberg
- Department of Life Sciences, Food and Nutrition Science, Chalmers University of Technology, 412 96, Gothenburg, Sweden
| | - Maria Kippler
- Institute of Environmental Medicine, Unit of Metals and Health, Karolinska Institutet, 171 77, Stockholm, Sweden
| | - Marie Vahter
- Institute of Environmental Medicine, Unit of Metals and Health, Karolinska Institutet, 171 77, Stockholm, Sweden
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Wu J, Zhang H, Yang L, Shao J, Chen D, Cui N, Tang L, Fu Y, Xue E, Lai C, Ye Z. Sedentary time and the risk of metabolic syndrome: A systematic review and dose-response meta-analysis. Obes Rev 2022; 23:e13510. [PMID: 36261077 DOI: 10.1111/obr.13510] [Citation(s) in RCA: 13] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/21/2022] [Revised: 07/10/2022] [Accepted: 10/03/2022] [Indexed: 11/30/2022]
Abstract
The dose-response association between sedentary time and the risk of metabolic syndrome is unclear, which indicates an important knowledge gap in public health. The objective of this study was to determine the categorical and continuous dose-response associations between sedentary time and the risk of metabolic syndrome. A systematic literature search of English articles published in PubMed, CINHAL, Embase, and Web of Science Core Collection prior to June 2022 was conducted. All cohort and cross-sectional studies that examined the association between sedentary time and the risk of metabolic syndrome were considered, and duplicate and non-related studies were excluded. Data extraction using a standardized chart and quality assessment using two appraisal tools were also performed. Two independent reviewers were involved in these processes. In categorical meta-analyses, the pooled effect sizes for metabolic syndrome associated with different categories of sedentary time were calculated by comparing the highest and intermediate with the lowest categories. In continuous meta-analyses, the linear and nonlinear dose-response associations were estimated using generalized least squares and restricted cubic spline models, respectively. Data were collected and analyzed from March to June 2022. Four prospective cohort studies and 22 cross-sectional studies with 105,239 participants and 16,185 MetS cases were included in this study. In categorical analyses, both intermediate (median duration: 4.11 h/day; pooled OR: 1.17, 95% CI: 1.08-1.26, P < 0.001) and high levels (median duration: 7.26 h/day; pooled OR: 1.71, 95% CI: 1.43-2.04, P < 0.001) of total sedentary time were significantly associated with an increased risk of metabolic syndrome. Similarly, a significant association between screen time and the risk of metabolic syndrome was also found in intermediate (median duration: 2.22 h/day; pooled OR: 1.20, 95% CI: 1.10-1.32, P < 0.001) and high levels (median duration: 3.40 h/day; pooled OR: 1.63, 95% CI: 1.44-1.86, P < 0.001) of exposure. Of note, these associations were significantly stronger in women. Different patterns of the behavior-disease association were not observed in children, adolescents, and adults. The findings of continuous meta-analyses could not provide solid evidence for the linearity and nonlinearity of the behavior-disease association. This study demonstrated that long-time sedentary behavior was associated with a higher risk of MetS independent of physical activity and the patterns of association varied by gender instead of age. These findings have implications for future guideline recommendations on physical activity, sedentary behavior, and prevention of metabolic syndrome.
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Affiliation(s)
- Jingjie Wu
- Sir Run Run Shaw Hospital Zhejiang University School of Medicine, 3 East Qingchun Rd, Shangcheng District, Hangzhou, Zhejiang, China
| | - Hui Zhang
- Department of Cardiology, Guizhou Provincial People's Hospital, Guiyang, Guizhou, China
| | - Lili Yang
- Nursing Department, The Fourth Affiliated Hospital Zhejiang University School of Medicine, No. N1, Shangcheng Avenue, Yiwu, Zhejiang, China
| | - Jing Shao
- Zhejiang University School of Medicine, 866 Yuhangtang Rd, Xihu District, Hangzhou, Zhejiang, China
| | - Dandan Chen
- Sir Run Run Shaw Hospital Zhejiang University School of Medicine, 3 East Qingchun Rd, Shangcheng District, Hangzhou, Zhejiang, China
| | - Nianqi Cui
- Nursing Department, The Second Affiliated Hospital Zhejiang University School of Medicine, 300 Yuanjv Rd, Shangcheng District, Hangzhou, Zhejiang, China
| | - Leiwen Tang
- Sir Run Run Shaw Hospital Zhejiang University School of Medicine, 3 East Qingchun Rd, Shangcheng District, Hangzhou, Zhejiang, China
| | - Yujia Fu
- Zhejiang University School of Medicine, 866 Yuhangtang Rd, Xihu District, Hangzhou, Zhejiang, China
| | - Erxu Xue
- Sir Run Run Shaw Hospital Zhejiang University School of Medicine, 3 East Qingchun Rd, Shangcheng District, Hangzhou, Zhejiang, China
| | - Chuyang Lai
- Sir Run Run Shaw Hospital Zhejiang University School of Medicine, 3 East Qingchun Rd, Shangcheng District, Hangzhou, Zhejiang, China
| | - Zhihong Ye
- Sir Run Run Shaw Hospital Zhejiang University School of Medicine, 3 East Qingchun Rd, Shangcheng District, Hangzhou, Zhejiang, China
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