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Thelle DS, Grønbæk M. Alcohol - a scoping review for Nordic Nutrition Recommendations 2023. Food Nutr Res 2024; 68:10540. [PMID: 38571916 PMCID: PMC10989238 DOI: 10.29219/fnr.v68.10540] [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: 01/31/2021] [Revised: 07/04/2022] [Accepted: 01/23/2024] [Indexed: 04/05/2024] Open
Abstract
The objective of this scoping review is to evaluate the updated evidence on the consumption of alcohol and health outcomes regarded as relevant for the Nordic and Baltic countries, including cardiovascular disease, cancer, and all-cause mortality. It is based on the previous Nordic Nutrition Recommendations of 2012 and relevant papers published until 31 May 2021. Current evidence from mainly observational epidemiological studies suggests that regular, moderate alcohol consumption may confer protective effects against myocardial infarction (MI) and type 2 diabetes. Mendelian randomization analyses do not fully support these findings, possibly because these analyses may fail to identify low alcohol intake. For several cancers, it is not possible to set any safe limit. All-cause mortality is not increased with light to moderate alcohol intake in middle-aged and older adults who do not engage in binge drinking. Total abstinence is associated with the lowest risk of mortality in young adults. Observational studies on alcohol consumption are hampered by a number of inherent methodological issues such as ascertainment of alcohol intake, selection of appropriate exposure groups, and insufficient control of confounding variables, colliders, and mediators. It should also be emphasized that there is a socio-economic contribution to the alcohol-health axis with a stronger detrimental effect of alcohol in the lower social classes. The above issues contribute to the complexity of unravelling the causal web between alcohol, mediators, confounders, and health outcome.
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Affiliation(s)
- Dag Steinar Thelle
- Department of Biostatistics, Institute of Basic Medical Sciences, University of Oslo, Oslo, Norway
| | - Morten Grønbæk
- National Institute of Public Health, Copenhagen, Denmark
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2
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Vilcins D, Blake TL, Sly PD, Saffery R, Ponsonby AL, Burgner D, Tang MLK, Reid N. Effects of prenatal alcohol exposure on infant lung function, wheeze, and respiratory infections in Australian children. ALCOHOL, CLINICAL & EXPERIMENTAL RESEARCH 2023; 47:2278-2287. [PMID: 38151787 DOI: 10.1111/acer.15205] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/05/2023] [Revised: 09/29/2023] [Accepted: 10/02/2023] [Indexed: 12/29/2023]
Abstract
BACKGROUND Prenatal alcohol exposure (PAE) is a known risk factor for a range of adverse outcomes, such as facial dysmorphism, adverse birth outcomes, and neurodevelopmental changes. Preclinical research shows that PAE also inhibits lung development, lowers surfactant protein expression, has detrimental effects on alveolar macrophages, and decreases both T and B cell numbers. However, clinical evidence of respiratory impacts from PAE is limited. This study explored whether lung function, wheeze, and incidence of respiratory infections differ in children with PAE compared with unexposed children. METHODS Data from the Barwon Infant Study (n = 1074) were examined. PAE data were extracted from maternal questionnaires at trimesters 1 and 2 (combined), and trimester 3, and included as "total standard drinks" during each trimester and total pregnancy intake, a binary yes/no for PAE, and binge drinking (>5 standard drinks in one session). Respiratory outcomes were parent-reported wheeze, lung function (measured by multiple breath washout), and parent report and medical record indicators of health service attendances for respiratory conditions. Linear and logistic regressions were performed to quantify relationships between PAE and respiratory outcomes, controlling for socioeconomic status, birthweight, sex, gestational age, and maternal smoking. RESULTS Binge drinking was associated with increased health service attendance for respiratory condition(s) in the first 12 months of life (OR = 5.0, 95% CI (1.7, 20.7), p = 0.008). We did not find a relationship between binary PAE and binge drinking with lung function at 4 weeks of age or wheeze at 12 months. The number of standard drinks consumed in trimester two was associated with a lower lung clearance index (β = -0.011 turnovers, 95% CI (-0.0200, -0.0013), p = 0.03), and a small increase in functional residual capacity (β = 0.34 mL, 95% CI (0.02, 0.66), p = 0.04). CONCLUSIONS We found an association between binge drinking and health service utilization for respiratory conditions in infancy, but no evidence that low-level PAE was associated with adverse respiratory outcomes.
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Affiliation(s)
- Dwan Vilcins
- Child Health Research Centre, The University of Queensland, Brisbane, Queensland, Australia
| | - Tamara L Blake
- Child Health Research Centre, The University of Queensland, Brisbane, Queensland, Australia
| | - Peter D Sly
- Child Health Research Centre, The University of Queensland, Brisbane, Queensland, Australia
| | - Richard Saffery
- Murdoch Children's Research Institute, Royal Children's Hospital, The University of Melbourne, Melbourne, Victoria, Australia
| | - Anne-Louise Ponsonby
- The Florey Institute of Neuroscience and Mental Health, Murdoch Children's Research Institute, Melbourne, Victoria, Australia
| | - David Burgner
- Murdoch Children's Research Institute, Royal Children's Hospital, The University of Melbourne, Melbourne, Victoria, Australia
| | - Mimi L K Tang
- Murdoch Children's Research Institute, Royal Children's Hospital, The University of Melbourne, Melbourne, Victoria, Australia
| | - Natasha Reid
- Child Health Research Centre, The University of Queensland, Brisbane, Queensland, Australia
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3
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Kvalvik LG, Klungsøyr K, Igland J, Caspersen IH, Brantsæter AL, Solberg BS, Hartman C, Schweren LJS, Larsson H, Li L, Forthun I, Johansson S, Arias Vasquez A, Haavik J. Association of sweetened carbonated beverage consumption during pregnancy and ADHD symptoms in the offspring: a study from the Norwegian Mother, Father and Child Cohort Study (MoBa). Eur J Nutr 2022; 61:2153-2166. [PMID: 35066701 PMCID: PMC9106638 DOI: 10.1007/s00394-022-02798-y] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/26/2021] [Accepted: 01/04/2022] [Indexed: 11/30/2022]
Abstract
PURPOSE Intrauterine exposures influence offspring health and development. Here we investigated maternal intake of sweetened carbonated beverages (SCB) during pregnancy and its association with ADHD symptoms in the offspring. METHODS This study was based on the Norwegian Mother, Father and Child Cohort Study (MoBa) and the Medical Birth Registry of Norway. Maternal diet mid-pregnancy was assessed using a food frequency questionnaire (FFQ). All mothers who responded to the FFQ and a questionnaire when their child was 8 years of age were included (n = 39,870). The exposure was defined as maternal intake (daily servings) of SCB, using no daily intake as reference. Outcome was offspring ADHD symptoms, evaluated as a continuous standardized ADHD score and as a binary outcome of six or more ADHD symptoms vs. five symptoms or less. Associations were analysed using log-binomial regression and linear mixed regression models with adjustment for covariates. RESULTS The adjusted regression coefficients for the standardized ADHD offspring symptom score were 0.31 [95% confidence intervals (0.001, 0.62)] and 0.46 (0.15, 0.77) for maternal daily intake of ≥ 1 glasses of SCB, when the models included adjustments for total energy intake or energy intake from other sources than SCBs and sweet drinks, respectively. The corresponding adjusted relative risks were 1.16 (1.004, 1.34) and 1.21. (1.05, 1.39) for drinking ≥ 1 glasses daily. CONCLUSION In a large pregnancy cohort with offspring followed until 8 years of age, we found an association between maternal daily intake of SCB and offspring ADHD symptoms. These results suggest a weak positive relationship between prenatal exposure to SCB and offspring ADHD.
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Affiliation(s)
- Liv Grimstvedt Kvalvik
- Department of Global Public Health and Primary Care, University of Bergen, Bergen, Norway.
| | - Kari Klungsøyr
- Department of Global Public Health and Primary Care, University of Bergen, Bergen, Norway
- Division of Mental and Physical Health, Norwegian Institute of Public Health, Oslo, Norway
| | - Jannicke Igland
- Department of Global Public Health and Primary Care, University of Bergen, Bergen, Norway
| | | | - Anne Lise Brantsæter
- Department of Environmental Health, Norwegian Institute of Public Health, Oslo, Norway
| | - Berit Skretting Solberg
- Department of Biomedicine, University of Bergen, Bergen, Norway
- Child- and Adolescent Psychiatric Outpatient Unit, Hospital Betanien, Bergen, Norway
| | - Catharina Hartman
- Interdisciplinary Center Psychiatry and Emotion Regulation (ICPE), University Medical Center Groningen, University of Groningen, Groningen, The Netherlands
| | - Lizanne Johanna Stephanie Schweren
- Interdisciplinary Center Psychiatry and Emotion Regulation (ICPE), University Medical Center Groningen, University of Groningen, Groningen, The Netherlands
| | - Henrik Larsson
- School of Medical Sciences, Örebro University, Örebro, Sweden
- Department of Medical Epidemiology and Biostatistics, Karolinska Institutet, Stockholm, Sweden
| | - Lin Li
- School of Medical Sciences, Örebro University, Örebro, Sweden
| | - Ingeborg Forthun
- Department of Global Public Health and Primary Care, University of Bergen, Bergen, Norway
| | - Stefan Johansson
- Department of Clinical Science, University of Bergen, Bergen, Norway
- Department of Medical Genetics, Haukeland University Hospital, Bergen, Norway
| | - Alejandro Arias Vasquez
- Department of Psychiatry, Donders Institute for Brain, Cognition and Behaviour, Radboud University Medical Center, Geert Grooteplein Zuid 10, 6525 GA, Nijmegen, The Netherlands
- Department of Human Genetics, Donders Institute for Brain, Cognition and Behaviour, Radboud University Medical Center, Geert Grooteplein Zuid 10, 6525 GA, Nijmegen, The Netherlands
| | - Jan Haavik
- Department of Biomedicine, University of Bergen, Bergen, Norway
- Division of Psychiatry, Bergen Center for Brain Plasticity, Haukeland University Hospital, Bergen, Norway
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4
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Lussier AA, Bodnar TS, Weinberg J. Intersection of Epigenetic and Immune Alterations: Implications for Fetal Alcohol Spectrum Disorder and Mental Health. Front Neurosci 2021; 15:788630. [PMID: 34924946 PMCID: PMC8680672 DOI: 10.3389/fnins.2021.788630] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/03/2021] [Accepted: 11/02/2021] [Indexed: 01/15/2023] Open
Abstract
Prenatal alcohol exposure can impact virtually all body systems, resulting in a host of structural, neurocognitive, and behavioral abnormalities. Among the adverse impacts associated with prenatal alcohol exposure are alterations in immune function, including an increased incidence of infections and alterations in immune/neuroimmune parameters that last throughout the life-course. Epigenetic patterns are also highly sensitive to prenatal alcohol exposure, with widespread alcohol-related alterations to epigenetic profiles, including changes in DNA methylation, histone modifications, and miRNA expression. Importantly, epigenetic programs are crucial for immune system development, impacting key processes such as immune cell fate, differentiation, and activation. In addition to their role in development, epigenetic mechanisms are emerging as attractive candidates for the biological embedding of environmental factors on immune function and as mediators between early-life exposures and long-term health. Here, following an overview of the impact of prenatal alcohol exposure on immune function and epigenetic patterns, we discuss the potential role for epigenetic mechanisms in reprogramming of immune function and the consequences for health and development. We highlight a range of both clinical and animal studies to provide insights into the array of immune genes impacted by alcohol-related epigenetic reprogramming. Finally, we discuss potential consequences of alcohol-related reprogramming of immune/neuroimmune functions and their effects on the increased susceptibility to mental health disorders. Overall, the collective findings from animal models and clinical studies highlight a compelling relationship between the immune system and epigenetic pathways. These findings have important implications for our understanding of the biological mechanisms underlying the long-term and multisystem effects of prenatal alcohol exposure, laying the groundwork for possible novel interventions and therapeutic strategies to treat individuals prenatally exposed to alcohol.
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Affiliation(s)
- Alexandre A Lussier
- Psychiatric and Neurodevelopmental Genetics Unit, Center for Genomic Medicine, Massachusetts General Hospital, Boston, MA, United States.,Department of Psychiatry, Harvard Medical School, Boston, MA, United States.,Stanley Center for Psychiatric Research, Broad Institute of MIT and Harvard, Cambridge, MA, United States
| | - Tamara S Bodnar
- Department of Cellular and Physiological Sciences, Faculty of Medicine, The University of British Columbia, Vancouver, BC, Canada
| | - Joanne Weinberg
- Department of Cellular and Physiological Sciences, Faculty of Medicine, The University of British Columbia, Vancouver, BC, Canada
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5
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Finanger T, Spigset O, Gråwe RW, Andreassen TN, Løkken TN, Aamo TO, Bratt GE, Tømmervik K, Langaas VS, Finserås K, Salvesen KÅB, Skråstad RB. Phosphatidylethanol as Blood Biomarker of Alcohol Consumption in Early Pregnancy: An Observational Study in 4,067 Pregnant Women. Alcohol Clin Exp Res 2021; 45:886-892. [PMID: 33586791 DOI: 10.1111/acer.14577] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/23/2020] [Accepted: 02/08/2021] [Indexed: 12/21/2022]
Abstract
BACKGROUND The teratogenic effects of alcohol are well documented, but there is a lack of screening methods to detect alcohol use during pregnancy. Phosphatidylethanol 16:0/18:1 (PEth) is a specific and sensitive biomarker reflecting alcohol intake up to several weeks after consumption. The aim of this study was to investigate the prevalence of positive PEth values as an indicator of early prenatal alcohol exposure in a general population of pregnant women. METHODS Rhesus typing is routinely performed in Norway in all pregnancies around gestational week 12. Rhesus-negative women have an additional test taken around week 24. Blood samples submitted to St. Olav University Hospital in Trøndelag, Norway, for Rhesus typing during the period September 2017 to October 2018 were collected. A total of 4,533 whole blood samples from 4,067 women were analyzed for PEth (limit of quantification of 0.003 µM). RESULTS Fifty-eight women had a positive PEth sample. Of these, 50 women were positive around gestational week 12, 3 women were positive around week 24, and in 5 cases, the timing was unknown. There were no significant differences in proportions of women with positive PEth values related to age, or rural versus urban residency. CONCLUSION In an unselected pregnant population in Norway, 1.4% had a positive PEth sample around gestational week 12, whereas 0.4% had a positive sample around week 24. The use of PEth as an alcohol biomarker should be further investigated as a diagnostic tool in the antenatal setting.
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Affiliation(s)
- Trine Finanger
- Clinic of Substance Use and Addiction Medicine, St. Olav University Hospital, Trondheim, Norway.,Department of Clinical and Molecular Medicine, Norwegian University of Science and Technology - NTNU, Trondheim, Norway
| | - Olav Spigset
- Department of Clinical and Molecular Medicine, Norwegian University of Science and Technology - NTNU, Trondheim, Norway.,Department of Clinical Pharmacology, St. Olav University Hospital, Trondheim, Norway
| | - Rolf W Gråwe
- Department of Research and Development, Division of Mental Health, St. Olav University Hospital, Trondheim, Norway.,Department of Mental Health, Norwegian University of Science and Technology - NTNU, Trondheim, Norway
| | - Trine N Andreassen
- Department of Clinical Pharmacology, St. Olav University Hospital, Trondheim, Norway
| | - Trine N Løkken
- Department of Clinical Pharmacology, St. Olav University Hospital, Trondheim, Norway
| | - Trond O Aamo
- Department of Clinical Pharmacology, St. Olav University Hospital, Trondheim, Norway
| | - Guro E Bratt
- Clinic of Laboratory Medicine, St. Olav University Hospital, Trondheim, Norway
| | - Kristin Tømmervik
- Clinic of Substance Use and Addiction Medicine, St. Olav University Hospital, Trondheim, Norway
| | - Vibeke S Langaas
- Department of Immunology and Transfusion Medicine, St. Olav University Hospital, Trondheim, Norway
| | - Kristin Finserås
- Department of Immunology and Transfusion Medicine, St. Olav University Hospital, Trondheim, Norway
| | - Kjell Å B Salvesen
- Department of Clinical and Molecular Medicine, Norwegian University of Science and Technology - NTNU, Trondheim, Norway.,Department of Obstetrics and Gynecology, St. Olav University Hospital, Trondheim, Norway
| | - Ragnhild B Skråstad
- Department of Clinical and Molecular Medicine, Norwegian University of Science and Technology - NTNU, Trondheim, Norway.,Department of Clinical Pharmacology, St. Olav University Hospital, Trondheim, Norway
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6
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Saunders CM, Rehbinder EM, Carlsen KCL, Gudbrandsgard M, Carlsen KH, Haugen G, Hedlin G, Jonassen CM, Sjøborg KD, Landrø L, Nordlund B, Rudi K, O Skjerven H, Söderhäll C, Staff AC, Vettukattil R, Carlsen MH. Food and nutrient intake and adherence to dietary recommendations during pregnancy: a Nordic mother-child population-based cohort. Food Nutr Res 2019; 63:3676. [PMID: 31920469 PMCID: PMC6939665 DOI: 10.29219/fnr.v63.3676] [Citation(s) in RCA: 16] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/18/2019] [Revised: 11/25/2019] [Accepted: 11/26/2019] [Indexed: 12/21/2022] Open
Abstract
Background A woman's food intake during pregnancy has important implications not only for herself but also for the future health and well-being of her child. Suboptimal dietary quality has been consistently reported in many high-income countries, reflecting poor adherence to dietary guidelines. Objective This study aimed to explore the intake of food and nutrients in a cohort of pregnant women in Norway and their adherence to Nordic Nutrition Recommendations (NNR) and Norwegian food-based guidelines (NFG). Design We investigated the dietary intake in 1,674 pregnant women from the mother-child birth cohort, PreventADALL, recruited at approximately 18-week gestational age. Dietary intake was assessed by an electronic validated food frequency questionnaire (PrevFFQ) in the first half of pregnancy. Results Total fat intake was within the recommended intake (RI) range in most women; however, the contribution of saturated fatty acids to the total energy intake was above RI in the majority (85.2%) of women. Carbohydrate intake was below RI in 43.9% of the women, and 69.5% exceeded the RI of salt. Intakes of fiber, vegetables, and fish were high in a large part of the population. Many women had a high probability of inadequate intakes of the following key micronutrients during pregnancy: folate (54.4%), iron (49.6%), calcium (36.2%), vitamin D (28.7%), iodine (24.4%), and selenium (41.3%). A total of 22.8% women reported an alcohol intake of >1 g/day, and 4.4% reported an alcohol intake of >10 g/day. Women with higher educational levels showed a tendency towards healthier eating habits, except for higher intakes of alcohol and coffee, compared to women with lower educational level. Discussion Excessive saturated fat intake and limited intake of many important micronutrients during pregnancy were common, potentially increasing the risk for adverse pregnancy and birth outcomes. Conclusions This study highlights the need for improved nutritional guidance to pregnant women across all educational levels.
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Affiliation(s)
- Carina Madelen Saunders
- Division of Paediatric and Adolescent Medicine, Oslo University Hospital, Oslo, Norway.,Faculty of Medicine, Institute of Clinical Medicine, University of Oslo, Oslo, Norway
| | - Eva Maria Rehbinder
- Faculty of Medicine, Institute of Clinical Medicine, University of Oslo, Oslo, Norway.,Department of Dermatology, Oslo University Hospital, Oslo, Norway
| | - Karin C Lødrup Carlsen
- Division of Paediatric and Adolescent Medicine, Oslo University Hospital, Oslo, Norway.,Faculty of Medicine, Institute of Clinical Medicine, University of Oslo, Oslo, Norway
| | - Malén Gudbrandsgard
- Division of Paediatric and Adolescent Medicine, Oslo University Hospital, Oslo, Norway
| | - Kai-Håkon Carlsen
- Division of Paediatric and Adolescent Medicine, Oslo University Hospital, Oslo, Norway.,Faculty of Medicine, Institute of Clinical Medicine, University of Oslo, Oslo, Norway
| | - Guttorm Haugen
- Faculty of Medicine, Institute of Clinical Medicine, University of Oslo, Oslo, Norway.,Division of Obstetrics and Gynaecology, Oslo University Hospital, Oslo, Norway
| | - Gunilla Hedlin
- Astrid Lindgren Children's Hospital, Karolinska University Hospital, Stockholm, Sweden.,Department of Women's and Children's Health, Karolinska Institutet, Stockholm, Sweden
| | - Christine Monceyron Jonassen
- Genetic Unit, Centre for Laboratory Medicine, Østfold Hospital Trust, Kalnes, Norway.,Faculty of Chemistry, Biotechnology and Food Science, Norwegian University of Life Sciences, Ås, Norway
| | | | - Linn Landrø
- Department of Dermatology, Oslo University Hospital, Oslo, Norway
| | - Björn Nordlund
- Astrid Lindgren Children's Hospital, Karolinska University Hospital, Stockholm, Sweden.,Department of Women's and Children's Health, Karolinska Institutet, Stockholm, Sweden
| | - Knut Rudi
- Faculty of Chemistry, Biotechnology and Food Science, Norwegian University of Life Sciences, Ås, Norway
| | - Håvard O Skjerven
- Division of Paediatric and Adolescent Medicine, Oslo University Hospital, Oslo, Norway.,Faculty of Medicine, Institute of Clinical Medicine, University of Oslo, Oslo, Norway
| | - Cilla Söderhäll
- Astrid Lindgren Children's Hospital, Karolinska University Hospital, Stockholm, Sweden.,Department of Women's and Children's Health, Karolinska Institutet, Stockholm, Sweden
| | - Anne Cathrine Staff
- Faculty of Medicine, Institute of Clinical Medicine, University of Oslo, Oslo, Norway.,Division of Obstetrics and Gynaecology, Oslo University Hospital, Oslo, Norway
| | - Riyas Vettukattil
- Division of Paediatric and Adolescent Medicine, Oslo University Hospital, Oslo, Norway.,Faculty of Medicine, Institute of Clinical Medicine, University of Oslo, Oslo, Norway
| | - Monica Hauger Carlsen
- Department of Nutrition, Institute of Basic Medical Sciences, University of Oslo, Oslo, Norway
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7
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Reid N, Moritz KM, Akison LK. Adverse health outcomes associated with fetal alcohol exposure: A systematic review focused on immune-related outcomes. Pediatr Allergy Immunol 2019; 30:698-707. [PMID: 31215695 DOI: 10.1111/pai.13099] [Citation(s) in RCA: 26] [Impact Index Per Article: 5.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/26/2019] [Revised: 05/29/2019] [Accepted: 06/11/2019] [Indexed: 01/12/2023]
Abstract
Prenatal alcohol exposure (PAE) has well-known teratogenic effects on the developing fetus, potentially resulting in neurologic impairments. However, there is increasing interest regarding other potential adverse health outcomes related to prenatal alcohol exposure. The objective of this study was to undertake a systematic review to identify all the available clinical and preclinical literature investigating immune-related outcomes in offspring with PAE. A systematic review searching four electronic databases (PubMed, CINAHL, Web of Science, and Embase) was conducted. Potential articles were screened against strict inclusion/exclusion criteria. This review specifically focused on evaluating studies related to immune-related outcomes following PAE. Twelve clinical studies were included in the current review. Six included allergy outcomes, four included infection outcomes, and two studies included both. Thirty-nine preclinical studies were identified examining a wide range of immune outcomes. The current review provides some preliminary clinical evidence that PAE can influence immune function, including atopic allergy and infection outcomes. However, there was variability in results across studies, particularly in the atopy area. Preclinical studies demonstrated some changes in lymphocytes and cytokines in offspring following PAE. More research investigating the effects of PAE on immune responses is warranted.
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Affiliation(s)
- Natasha Reid
- Child Health Research Centre, The University of Queensland, South Brisbane, Queensland, Australia
| | - Karen M Moritz
- Child Health Research Centre, The University of Queensland, South Brisbane, Queensland, Australia.,School of Biomedical Sciences, The University of Queensland, St Lucia, Queensland, Australia
| | - Lisa K Akison
- Child Health Research Centre, The University of Queensland, South Brisbane, Queensland, Australia.,School of Biomedical Sciences, The University of Queensland, St Lucia, Queensland, Australia
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8
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Caldwell KK, Solomon ER, Smoake JJW, Djatche de Kamgaing CD, Allan AM. Sex-specific deficits in biochemical but not behavioral responses to delay fear conditioning in prenatal alcohol exposure mice. Neurobiol Learn Mem 2018; 156:1-16. [PMID: 30316893 DOI: 10.1016/j.nlm.2018.10.002] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/17/2018] [Revised: 09/17/2018] [Accepted: 10/11/2018] [Indexed: 01/29/2023]
Abstract
BACKGROUND Studies in clinical populations and preclinical models have shown that prenatal alcohol exposure (PAE) is associated with impairments in the acquisition, consolidation and recall of information, with deficits in hippocampal formation-dependent learning and memory being a common finding. The glucocorticoid receptor (GR), mineralocorticoid receptor (MR), and extracellular signal-regulated kinase 2 (ERK2) are key regulators of hippocampal formation development, structure and functioning and, thus, are potential mediators of PAE's effects on this brain region. In the present studies, we employed a well-characterized mouse model of PAE to identify biochemical mechanisms that may underlie activity-dependent learning and memory deficits associated with PAE. METHODS Mouse dams consumed either 10% (w/v) ethanol in 0.066% (w/v) saccharin (SAC) or 0.066% (w/v) SAC alone using a limited (4-h) access, drinking-in-the-dark paradigm. Male and female offspring (∼180-days of age) were trained using a delay conditioning procedure and contextual fear responses (freezing behavior) were measured 24 h later. Hippocampal formation tissue and blood were collected from three behavioral groups of animals: 20 min following conditioning (conditioning only group), 20 min following the re-exposure to the context (conditioning plus re-exposure group), and behaviorally naïve (naïve group) mice. Plasma corticosterone levels were measured by enzyme immunoassay. Immunoblotting techniques were used to measure protein levels of the GR, MR, ERK1 and ERK2 in nuclear and membrane fractions prepared from the hippocampal formation. RESULTS Adult SAC control male and female mice displayed similar levels of contextual fear. However, significant sex differences were observed in freezing exhibited during the conditioning session. Compared to same-sex SAC controls, male and female PAE mice demonstrated context fear deficits While plasma corticosterone concentrations were elevated in PAE males and females relative to their respective SAC naïve controls, plasma corticosterone concentrations in the conditioning only and conditioning plus re-exposure groups were similar in SAC and PAE animals. Relative to the respective naïve group, nuclear GR protein levels were increased in SAC, but not PAE, male hippocampal formation in the conditioning only group. In contrast, no difference was observed between nuclear GR levels in the naïve and conditioning plus re-exposure groups. In females, nuclear GR levels were significantly reduced by PAE but there was no effect of behavioral group or interaction between prenatal treatment and behavioral group. In males, nuclear MR levels were significantly elevated in the SAC conditioning plus re-exposure group compared to SAC naïve mice. In PAE females, nuclear MR levels were elevated in both the conditioning only and conditioning plus re-exposure groups relative to the naïve group. Levels of activated ERK2 (phospho-ERK2 expressed relative to total ERK2) protein were elevated in SAC, but not PAE, males following context re-exposure, and a significant interaction between prenatal exposure group and behavioral group was found. No main effects or interactions of behavioral group and prenatal treatment on nuclear ERK2 were found in female mice. These findings suggest a sex difference in which molecular pathways are activated during fear conditioning in mice. CONCLUSIONS In PAE males, the deficits in contextual fear were associated with the loss of responsiveness of hippocampal formation nuclear GR, MR and ERK2 to signals generated by fear conditioning and context re-exposure. In contrast, the contextual fear deficit in PAE female mice does not appear to be associated with activity-dependent changes in GR and MR levels or ERK2 activation during training or memory recall, although an overall reduction in nuclear GR levels may play a role. These studies add to a growing body of literature demonstrating that, at least partially, different mechanisms underlie learning, memory formation and memory recall in males and females and that these pathways are differentially affected by PAE.
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Affiliation(s)
- Kevin K Caldwell
- Department of Neurosciences, School of Medicine, University of New Mexico Health Sciences Center, Albuquerque, NM 87131, USA.
| | - Elizabeth R Solomon
- Department of Neurosciences, School of Medicine, University of New Mexico Health Sciences Center, Albuquerque, NM 87131, USA
| | - Jane J W Smoake
- Department of Neurosciences, School of Medicine, University of New Mexico Health Sciences Center, Albuquerque, NM 87131, USA
| | - Chrys D Djatche de Kamgaing
- Department of Neurosciences, School of Medicine, University of New Mexico Health Sciences Center, Albuquerque, NM 87131, USA
| | - Andrea M Allan
- Department of Neurosciences, School of Medicine, University of New Mexico Health Sciences Center, Albuquerque, NM 87131, USA
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9
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Nohr EA, Liew Z. How to investigate and adjust for selection bias in cohort studies. Acta Obstet Gynecol Scand 2018; 97:407-416. [DOI: 10.1111/aogs.13319] [Citation(s) in RCA: 145] [Impact Index Per Article: 24.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/03/2017] [Accepted: 01/18/2018] [Indexed: 01/09/2023]
Affiliation(s)
- Ellen A Nohr
- Research Unit for Gynecology and Obstetrics; Odense University Hospital; Odense Denmark
- Department of Clinical Research; University of Southern Denmark; Odense Denmark
| | - Zeyan Liew
- Department of Epidemiology; Fielding School of Public Health; University of California (UCLA); Los Angeles CA USA
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10
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Hallit S, Salameh P. Exposure to toxics during pregnancy and childhood and asthma in children: A pilot study. J Epidemiol Glob Health 2017; 7:147-154. [PMID: 28756822 PMCID: PMC7320455 DOI: 10.1016/j.jegh.2017.04.004] [Citation(s) in RCA: 15] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/21/2015] [Accepted: 04/21/2017] [Indexed: 11/24/2022] Open
Abstract
Environmental factors, pesticides, alcohol and smoking are linked to asthma in children. The association of toxic substances exposure with asthma has not been evaluated. Our objective is to assess such associations among children aged less than 16 years old. This is a cross-sectional study, conducted between January and May 2015, using a sample of Lebanese students from private schools in Beirut and Mount Lebanon. Out of 700 distributed questionnaires, 527 (75.2%) were returned to us. Verbal informed consent was also obtained from all parents prior to participating in the study. A significant association was found between waterpipe smoking and diagnosed asthma (p = 0.003; ORa = 13.25; 95% CI 2.472–71.026). Alcohol during pregnancy, waterpipe smoking during pregnancy and parents respiratory problems significantly increased the risk of respiratory problems by approximately 5 times, 6 times and 2 times respectively (p = 0.016; ORa = 4.889; 95% CI 1.339–17.844, p = 0.021; ORa = 6.083; 95% CI 1.314–28.172, p = 0.004; ORa = 1.748; 95% CI 1.197–2.554 respectively). Waterpipe smoking, alcohol during pregnancy, recurrent otitis and humidity at home seem to be significantly correlated with asthma in children. Spreading awareness by health care professionals is needed to permit a reduction of the prevalence of these allergic diseases, especially asthma, in children.
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Affiliation(s)
- Souheil Hallit
- Lebanese University, School of Pharmacy, Hadath, Lebanon; Universite Saint Joseph, Faculty of Pharmacy, Beirut, Lebanon; Universite Saint-Esprit Kaslik, Faculty of Medicine, Kaslik, Lebanon; Psychiatric Hospital of the Cross, P.O. Box 60096, Jal Eddib, Lebanon; Occupational Health Environment Research Team, U1219 BPH Bordeaux Population Health Research Center Inserm - Université de Bordeaux, France.
| | - Pascale Salameh
- Lebanese University, School of Pharmacy, Hadath, Lebanon; Lebanese University, Faculty of Medicine, Hadath, Lebanon
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Gauthier TW, Brown LAS. In utero alcohol effects on foetal, neonatal and childhood lung disease. Paediatr Respir Rev 2017; 21:34-37. [PMID: 27613232 PMCID: PMC5303127 DOI: 10.1016/j.prrv.2016.08.006] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/05/2016] [Accepted: 08/11/2016] [Indexed: 02/07/2023]
Abstract
Maternal alcohol use during pregnancy exposes both premature and term newborns to the toxicity of alcohol and its metabolites. Foetal alcohol exposure adversely effects the lung. In contrast to the adult "alcoholic lung" phenotype, an inability to identify the newborn exposed to alcohol in utero has limited our understanding of its effect on adverse pulmonary outcomes. This paper will review advances in biomarker development of in utero alcohol exposure. We will highlight the current understanding of in utero alcohol's toxicity to the developing lung and immune defense. Finally, we will present recent clinical evidence describing foetal alcohol's association with adverse pulmonary outcomes including bronchopulmonary dysplasia, viral infections such as respiratory syncytial virus and allergic asthma/atopy. With research to define alcohol's effect on the lung and translational studies accurately identifying the exposed offspring, the full extent of alcohol's effects on clinical respiratory outcomes of the newborn or child can be determined.
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Østby KA, Czajkowski N, Knudsen GP, Ystrøm E, Gjerde LC, Kendler KS, Ørstavik RE, Reichborn-Kjennerud T. Does low alcohol use increase the risk of sickness absence? A discordant twin study. BMC Public Health 2016; 16:825. [PMID: 27538396 PMCID: PMC4990980 DOI: 10.1186/s12889-016-3502-2] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/17/2015] [Accepted: 08/12/2016] [Indexed: 11/29/2022] Open
Abstract
Background Results from observational studies suggest that people who drink little or no alcohol are less healthy than medium drinkers. This has been demonstrated for many different measures of health, including sick leave. However, whether these associations are causal or due to confounding remains to be clarified. The aim of this study was to use a discordant twin design to determine whether the increased level of sick leave associated with a low level of alcohol consumption, as compared to those with a medium level of consumption, reflects a causal mechanism or is due to genetic or environmental confounding. Methods Six thousand seven hundred thirty-four young adult twins from the Norwegian Institute of Public Health’s twin panel were in 1998 assessed for frequency of alcohol use and binge drinking. Data were linked to the Norwegian National Insurance Administration’s recordings of sick leave over a 10 year period. The associations between alcohol consumption and sick leave were first estimated in the total study population, and then within di- and monozygotic twin pairs discordant for alcohol use. Results Compared to medium consumption, both low and high alcohol consumption was associated with increased risk of sick leave. When low level drinkers were compared to medium level drinkers in a discordant twin design, the results were consistent with the association being due to genetic confounding rather than a causal effect. Conclusions The increased level of sick leave observed with low level drinkers seems to be mainly explained by confounding from genetic factors. In all observational studies of the relationship between alcohol consumption and health, one should be aware that important genetic confounders are likely to influence the results.
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Affiliation(s)
| | - Nikolai Czajkowski
- Department of Mental Health, Norwegian Institute of Public Health, Oslo, Norway.,Department of Psychology, University of Oslo, Oslo, Norway
| | - Gun Peggy Knudsen
- Department of Mental Health, Norwegian Institute of Public Health, Oslo, Norway
| | - Eivind Ystrøm
- Department of Mental Health, Norwegian Institute of Public Health, Oslo, Norway
| | - Line C Gjerde
- Department of Mental Health, Norwegian Institute of Public Health, Oslo, Norway.,Department of Psychology, University of Oslo, Oslo, Norway
| | - Kenneth S Kendler
- Virginia Institute for Psychiatric and Behavioral Genetics and Departments of Psychiatry and Human Genetics and Medical College of Virginia ⁄ Virginia Commonwealth University, Richmond, VA, USA
| | - Ragnhild E Ørstavik
- Department of Mental Health, Norwegian Institute of Public Health, Oslo, Norway
| | - Ted Reichborn-Kjennerud
- Department of Mental Health, Norwegian Institute of Public Health, Oslo, Norway.,Department of Psychology, University of Oslo, Oslo, Norway.,Department of Epidemiology, Columbia University, New York, NY, USA
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Wada K, Konishi K, Tamura T, Shiraki M, Iwasa S, Nagata C. Alcohol Intake During Pregnancy and Offspring's Atopic Eczema Risk. Alcohol Clin Exp Res 2016; 40:1037-43. [PMID: 27062380 DOI: 10.1111/acer.13048] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/02/2015] [Accepted: 02/17/2016] [Indexed: 12/12/2022]
Abstract
BACKGROUND Although alcohol consumption has been suggested to have an effect on the immune system, it is unknown whether alcohol consumption has a role in developing allergic diseases. We aimed to examine the associations of total alcohol intake during pregnancy with the risks of childhood asthma and atopic eczema in a birth cohort in Japan. METHODS Pregnant women were recruited at a maternal clinic from May 2000 to October 2001. The children who were born to these mothers were followed until November 2007. Total alcohol intake, including alcohol as a cooking ingredient, was assessed using 5-day dietary records. Mother reports of physician-diagnosed asthma and atopic eczema were annually obtained from the questionnaires. Asthma assessed by the American Thoracic Society Division of Lung Diseases questionnaire and atopic eczema assessed by International Study of Asthma and Allergies in Childhood questions were also obtained in 2007. A total of 350 children participated in the follow-up survey. RESULTS Maternal total alcohol intake during pregnancy was associated with increased risks of atopic eczema before age 3. The positive association with atopic eczema was also observed when it was defined as before age 5. In the high versus the low tertile of maternal total alcohol intake, the estimated hazard ratios (HRs) of child's eczema were 1.90 (95% CI: 0.96 to 3.76) before age 3 and 1.74 (95% CI: 0.93 to 3.24) before age 5, respectively. The estimated HRs of child's asthma before age 3 was 1.61 (95% CI: 0.70 to 3.69) in the high versus the low of maternal total alcohol intake and 2.11 (95% CI: 0.93 to 4.81) among children having drinking mothers versus nondrinking mothers in pregnancy, although maternal alcohol intake during pregnancy was not significantly associated with the risk of asthma before age 5. CONCLUSIONS Alcohol consumption during pregnancy might have an effect on developing atopic eczema in offspring.
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Affiliation(s)
- Keiko Wada
- Department of Epidemiology and Preventive Medicine, Gifu University Graduate School of Medicine, Gifu, Japan
| | - Kie Konishi
- Department of Epidemiology and Preventive Medicine, Gifu University Graduate School of Medicine, Gifu, Japan
| | - Takashi Tamura
- Department of Epidemiology and Preventive Medicine, Gifu University Graduate School of Medicine, Gifu, Japan
| | | | | | - Chisato Nagata
- Department of Epidemiology and Preventive Medicine, Gifu University Graduate School of Medicine, Gifu, Japan
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Yang HJ. Clinicoepidemiological research designs in childhood allergic diseases. ALLERGY ASTHMA & RESPIRATORY DISEASE 2016. [DOI: 10.4168/aard.2016.4.2.91] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022]
Affiliation(s)
- Hyeon-Jong Yang
- Department of Pediatrics, Soonchunhyang University Hospital, Soonchunhyang University College of Medicine, Seoul, Korea
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Mortensen JHS, Øyen N, Fomina T, Melbye M, Tretli S, Vollset SE, Bjørge T. Supplemental folic acid in pregnancy and maternal cancer risk. Cancer Epidemiol 2015; 39:805-11. [PMID: 26569032 DOI: 10.1016/j.canep.2015.10.009] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/16/2015] [Revised: 09/10/2015] [Accepted: 10/07/2015] [Indexed: 12/31/2022]
Abstract
BACKGROUND There is evidence that increased intake of folate protects against the development of several types of cancer. Some studies have, however, raised concern about the safety of folate in relation to cancer risk. Here we examined the risk of maternal cancer after intake of supplemental folic acid in pregnancy. METHODS This is a population-based cohort study comprising 429,004 women with data from the Medical Birth Registry of Norway, the Cancer Registry of Norway, and other national registries from 1999 to 2010. Altogether 3781 cancer cases were identified during follow-up (average 7 years). Cox proportional hazards regression models were used to estimate hazard ratios of maternal cancer according to folic acid use prior to and during one or two or more pregnancies as compared to no supplement use. RESULTS Folic acid supplementation use had no overall effect on cancer risk in women using folic acid supplementation in one (HR 1.08; 95% CI 1.00-1.18) or two or more pregnancies (HR 1.06; 95% CI 0.91-1.22) (ptrend=0.12). Analyses of 13 cancer types revealed no associations between folic acid and cancer. CONCLUSION Folic acid supplementation before and during pregnancy had no overall effect on maternal cancer risk. IMPACT Folic acid substitution before and/or during pregnancy does not increase the short-term overall maternal cancer risk.
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Affiliation(s)
- Jan Helge Seglem Mortensen
- Department of Global Public Health and Primary Care, University of Bergen, Norway; Department of Obstetrics and Gynecology, Haukeland University Hospital, Bergen, Norway.
| | - Nina Øyen
- Department of Global Public Health and Primary Care, University of Bergen, Norway; Center for Medical Genetics and Molecular Medicine, Haukeland University Hospital, Bergen, Norway
| | - Tatiana Fomina
- Department of Global Public Health and Primary Care, University of Bergen, Norway
| | - Mads Melbye
- Department of Epidemiology Research, National Health Surveillance and Research, Statens Serum Institut, Copenhagen, Denmark; Department of Clinical Medicine, University of Copenhagen, Copenhagen, Denmark; Department of Medicine, Stanford University School of Medicine, Stanford, CA, USA
| | | | - Stein Emil Vollset
- Department of Global Public Health and Primary Care, University of Bergen, Norway; Norwegian Institute of Public Health, Oslo, Norway
| | - Tone Bjørge
- Department of Global Public Health and Primary Care, University of Bergen, Norway; Cancer Registry of Norway, Oslo, Norway
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