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Byrd KA, Shieh J, Mork S, Pincus L, O'Meara L, Atkins M, Thilsted SH. Fish and Fish-Based Products for Nutrition and Health in the First 1000 Days: A Systematic Review of the Evidence from Low and Middle-Income Countries. Adv Nutr 2022; 13:2458-2487. [PMID: 36166842 PMCID: PMC9776644 DOI: 10.1093/advances/nmac102] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/11/2022] [Revised: 07/26/2022] [Accepted: 09/22/2022] [Indexed: 01/29/2023] Open
Abstract
Fish provide essential nutrients for the critical window of growth and development in the first 1000 d of life and are thus an attractive option for inclusion in nutrition-sensitive and nutrition-specific programming. We conducted a systematic review of the evidence for fish and fish-based products for nutrition and health outcomes during the first 1000 d of life in low- and middle-income countries, searching the peer-reviewed and gray literature from 1999 to 2020. Databases included PubMed, Web of Science, Embase, ProQuest, and the Clinical Trials repository. Our search returned 1135 articles, 39 of which met the inclusion criteria. All studies were dual evaluated for risk of bias. Of the included studies, 18 measured maternal health and nutrition outcomes and 24 measured infant/child outcomes (3 measured both). Our search uncovered 10 impact evaluations, all of which measured consumption of fish or fish-based complementary food products in children aged 6-24 mo. We did not find strong evidence for fish consumption in children improving child growth from the impact evaluations; however, the studies were highly heterogeneous in their design and likely underpowered to detect an effect. Results from observational studies were mixed but provided evidence that adding fish to maternal and child diets is associated with improved nutrition outcomes, such as reducing the risk of anemia and improving vitamin D status. Given the nutrient richness of fish and the fact that production is often more environmentally friendly as compared with other animal source foods, more robust evidence is needed on the role of fish consumption in nutrition interventions to inform policy and programming recommendations in low- and middle-income countries.
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Affiliation(s)
| | | | | | | | - Lydia O'Meara
- WorldFish, Bayan Lepas, Penang, Malaysia,Natural Resources Institute, University of Greenwich, Chatham Maritime, Kent, UK
| | - Molly Atkins
- WorldFish, Bayan Lepas, Penang, Malaysia,International Development Department, University of Birmingham, Birmingham, UK
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Maternal Docosahexaenoic Acid Exposure Needed to Achieve Maternal-Newborn EQ. Nutrients 2022; 14:nu14163300. [PMID: 36014806 PMCID: PMC9412712 DOI: 10.3390/nu14163300] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/18/2022] [Revised: 08/08/2022] [Accepted: 08/09/2022] [Indexed: 12/15/2022] Open
Abstract
Achieving maternal docosahexaenoic acid (DHA) status equal to or greater than the infant's DHA status at delivery is known as maternal-newborn DHA equilibrium (EQ) and is thought to be important for optimizing newborn DHA status throughout infancy. The objective of this study was to determine the daily DHA intake during pregnancy most likely to result in EQ. The participants (n = 1145) were from two randomized control trials of DHA supplementation in pregnancy. DHA intake was estimated using an abbreviated food frequency questionnaire. Total DHA exposure during pregnancy was calculated as a weighted average of the estimated DHA intake throughout pregnancy and the randomized DHA dose (200, 800, 1000 mg). Red blood cell DHA was measured from maternal and cord blood plasma at delivery and EQ status was calculated. The DHA intake required to achieve EQ was estimated by regression. In terms of DHA exposure, the point estimate and 95% confidence interval to achieve EQ was 643 (583, 735) mg of DHA/day. The results of our trial suggest an intake of 650 mg of DHA/day is necessary to increase the potential for EQ at delivery. The clinical benefits of achieving EQ deserves continued study.
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Prenatal docosahexaenoic acid effect on maternal-infant DHA-equilibrium and fetal neurodevelopment: a randomized clinical trial. Pediatr Res 2022; 92:255-264. [PMID: 34552200 PMCID: PMC8456398 DOI: 10.1038/s41390-021-01742-w] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/07/2021] [Revised: 08/03/2021] [Accepted: 09/05/2021] [Indexed: 02/07/2023]
Abstract
INTRODUCTION Maternal-infant equilibrium occurs when cord blood docosahexaenoic acid (DHA) is less than or equal to maternal DHA at delivery. Equilibrium may be an indicator of sufficient DHA for optimal fetal and infant neurodevelopment. The purpose of this study was to test the effect of maternal DHA supplementation on equilibrium status and fetal neurodevelopment. METHODS Women enrolled between 12 and 20 weeks gestation and were randomized to 200 or 800 mg DHA/day until delivery. Maternal red blood cell (RBC) phospholipids were measured at enrollment, 32 weeks, delivery, and in cord blood at delivery. Fetal neurodevelopment was measured at 32 and 36 weeks gestation. Intent-to-treat analyses were conducted to test differences in equilibrium status by group. Fetal outcomes were assessed by equilibrium status and group. RESULTS Three hundred women enrolled and 262 maternal-infant dyads provided blood samples at delivery. No maternal-infant dyads with maternal RBC-DHA ≤ 6.96% at delivery achieved equilibrium. The incidence of equilibrium was significantly higher in the 800 mg group. There was no effect of maternal group or equilibrium status on fetal neurodevelopment. CONCLUSION The significance of maternal-infant DHA equilibrium remains unknown. Ongoing research will test the effect of treatment group, equilibrium, and nutrient status on infant behavior and brain function. IMPACT Pregnant women who received a higher dose of docosahexaenoic acid (DHA) were more likely to achieve maternal-infant DHA equilibrium at delivery. Equilibrium status had no effect on fetal neurodevelopment in this sample. While DHA is crucial for early life neurodevelopment, the significance of achieving maternal-infant equilibrium above the lower threshold is uncertain. There is a lower threshold of maternal DHA status where maternal-infant DHA equilibrium never occurs. The lack of equilibrium associated with low maternal DHA status may indicate insufficient maternal status for optimal placental transfer.
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Taesuwan S, McDougall MQ, Malysheva OV, Bender E, Nevins JEH, Devapatla S, Vidavalur R, Caudill MA, Klatt KC. Choline metabolome response to prenatal choline supplementation across pregnancy: A randomized controlled trial. FASEB J 2021; 35:e22063. [PMID: 34820909 PMCID: PMC10911820 DOI: 10.1096/fj.202101401rr] [Citation(s) in RCA: 11] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/05/2021] [Revised: 11/04/2021] [Accepted: 11/09/2021] [Indexed: 12/31/2022]
Abstract
Pregnancy places a unique stress upon choline metabolism, requiring adaptations to support both maternal and fetal requirements. The impact of pregnancy and prenatal choline supplementation on choline and its metabolome in free-living, healthy adults is relatively uncharacterized. This study investigated the effect of prenatal choline supplementation on maternal and fetal biomarkers of choline metabolism among free-living pregnant persons consuming self-selected diets. Participants were randomized to supplemental choline (as choline chloride) intakes of 550 mg/d (500 mg/d d0-choline + 50 mg/d methyl-d9-choline; intervention) or 25 mg/d d9-choline (control) from gestational week (GW) 12-16 until Delivery. Fasting blood and 24-h urine samples were obtained at study Visit 1 (GW 12-16), Visit 2 (GW 20-24), and Visit 3 (GW 28-32). At Delivery, maternal and cord blood and placental tissue samples were collected. Participants randomized to 550 (vs. 25) mg supplemental choline/d achieved higher (p < .05) plasma concentrations of free choline, betaine, dimethylglycine, phosphatidylcholine (PC), and sphingomyelin at one or more study timepoint. Betaine was most responsive to prenatal choline supplementation with increases (p ≤ .001) in maternal plasma observed at Visit 2-Delivery (relative to Visit 1 and control), as well as in the placenta and cord plasma. Notably, greater plasma enrichments of d3-PC and LDL-C were observed in the intervention (vs. control) group, indicating enhanced PC synthesis through the de novo phosphatidylethanolamine N-methyltransferase pathway and lipid export. Overall, these data show that prenatal choline supplementation profoundly alters the choline metabolome, supporting pregnancy-related metabolic adaptations and revealing biomarkers for use in nutritional assessment and monitoring during pregnancy.
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Affiliation(s)
- Siraphat Taesuwan
- Division of Nutritional Sciences, Cornell University, Ithaca, New York, USA
- Cluster of Agro Bio-Circular-Green Industry, Faculty of Agro-Industry, Chiang Mai University, Chiang Mai, Thailand
| | | | - Olga V. Malysheva
- Division of Nutritional Sciences, Cornell University, Ithaca, New York, USA
| | - Erica Bender
- Division of Nutritional Sciences, Cornell University, Ithaca, New York, USA
| | - Julie E. H. Nevins
- Division of Nutritional Sciences, Cornell University, Ithaca, New York, USA
| | | | | | - Marie A. Caudill
- Division of Nutritional Sciences, Cornell University, Ithaca, New York, USA
| | - Kevin C. Klatt
- Division of Nutritional Sciences, Cornell University, Ithaca, New York, USA
- Children’s Nutrition Research Center, Center for Precision Environmental Health, Baylor College of Medicine, Houston, Texas, USA
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Hellström A, Pivodic A, Gränse L, Lundgren P, Sjöbom U, Nilsson AK, Söderling H, Hård AL, Smith LEH, Löfqvist CA. Association of Docosahexaenoic Acid and Arachidonic Acid Serum Levels With Retinopathy of Prematurity in Preterm Infants. JAMA Netw Open 2021; 4:e2128771. [PMID: 34648010 PMCID: PMC8517742 DOI: 10.1001/jamanetworkopen.2021.28771] [Citation(s) in RCA: 32] [Impact Index Per Article: 10.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/10/2023] Open
Abstract
IMPORTANCE Supplementing preterm infants with long-chain polyunsaturated fatty acids (LC-PUFA) has been inconsistent in reducing the severity and incidence of retinopathy of prematurity (ROP). Furthermore, few studies have measured the long-term serum lipid levels after supplementation. OBJECTIVE To assess whether ROP severity is associated with serum levels of LC-PUFA, especially docosahexaenoic acid (DHA) and arachidonic acid (AA), during the first 28 postnatal days. DESIGN, SETTING, AND PARTICIPANTS This cohort study analyzed the Mega Donna Mega study, a randomized clinical trial that provided enteral fatty acid supplementation at 3 neonatal intensive care units in Sweden. Infants included in this cohort study were born at a gestational age of less than 28 weeks between December 20, 2016, and August 6, 2019. MAIN OUTCOMES AND MEASURES Severity of ROP was classified as no ROP, mild or moderate ROP (stage 1-2), or severe ROP (stage 3 and type 1). Serum phospholipid fatty acids were measured through gas chromatography-mass spectrometry. Ordinal logistic regression, with a description of unadjusted odds ratio (OR) as well as gestational age- and birth weight-adjusted ORs and 95% CIs, was used. Areas under the curve were used to calculate mean daily levels of fatty acids during postnatal days 1 to 28. Blood samples were obtained at the postnatal ages of 1, 3, 7, 14, and 28 days. RESULTS A total of 175 infants were included in analysis. Of these infants, 99 were boys (56.6%); the median (IQR) gestational age was 25 weeks 5 days (24 weeks 3 days to 26 weeks 6 days), and the median (IQR) birth weight was 785 (650-945) grams. A higher DHA proportion was seen in infants with no ROP compared with those with mild or moderate ROP or severe ROP (OR per 0.5-molar percentage increase, 0.49 [95% CI, 0.36-0.68]; gestational age- and birth weight-adjusted OR, 0.66 [95% CI, 0.46-0.93]). The corresponding adjusted OR for AA levels per 1-molar percentage increase was 0.83 (95% CI, 0.66-1.05). The association between DHA levels and ROP severity appeared only in infants with sufficient AA levels, suggesting that a mean daily minimum level of 7.8 to 8.3 molar percentage of AA was necessary for a detectable association between DHA level and less severe ROP. CONCLUSIONS AND RELEVANCE This cohort study found that higher mean daily serum levels of DHA during the first 28 postnatal days were associated with less severe ROP even after adjustment for known risk factors, but only in infants with sufficiently high AA levels. Further studies are needed to identify LC-PUFA supplementation strategies that may prevent ROP and other morbidities.
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Affiliation(s)
- Ann Hellström
- Department of Clinical Neuroscience, Institute of Neuroscience and Physiology, Sahlgrenska Academy, University of Gothenburg, Gothenburg, Sweden
| | - Aldina Pivodic
- Department of Clinical Neuroscience, Institute of Neuroscience and Physiology, Sahlgrenska Academy, University of Gothenburg, Gothenburg, Sweden
| | - Lotta Gränse
- Department of Ophthalmology, Institute of Clinical Sciences Lund, Lund University and Skane University Hospital, Lund, Sweden
| | - Pia Lundgren
- Department of Clinical Neuroscience, Institute of Neuroscience and Physiology, Sahlgrenska Academy, University of Gothenburg, Gothenburg, Sweden
- School of Medical Sciences, Faculty of Medicine and Health, Örebro University, Örebro, Sweden
| | - Ulrika Sjöbom
- Department of Clinical Neuroscience, Institute of Neuroscience and Physiology, Sahlgrenska Academy, University of Gothenburg, Gothenburg, Sweden
- Institute of Health Care Science, Sahlgrenska Academy, University of Gothenburg, Sweden
| | - Anders K. Nilsson
- Department of Clinical Neuroscience, Institute of Neuroscience and Physiology, Sahlgrenska Academy, University of Gothenburg, Gothenburg, Sweden
| | - Helena Söderling
- Department of Clinical Neuroscience, Institute of Neuroscience and Physiology, Sahlgrenska Academy, University of Gothenburg, Gothenburg, Sweden
| | - Anna-Lena Hård
- Department of Clinical Neuroscience, Institute of Neuroscience and Physiology, Sahlgrenska Academy, University of Gothenburg, Gothenburg, Sweden
| | - Lois E. H. Smith
- Department of Ophthalmology, Boston Children's Hospital, Harvard Medical School, Boston, Massachusetts
| | - Chatarina Alice Löfqvist
- Department of Clinical Neuroscience, Institute of Neuroscience and Physiology, Sahlgrenska Academy, University of Gothenburg, Gothenburg, Sweden
- Institute of Health Care Science, Sahlgrenska Academy, University of Gothenburg, Sweden
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Sugimori N, Hamazaki K, Matsumura K, Kasamatsu H, Tsuchida A, Inadera H. Association between mothers' fish intake during pregnancy and infants' sleep duration: a nationwide longitudinal study-The Japan Environment and Children's Study (JECS). Eur J Nutr 2021; 61:679-686. [PMID: 34505173 PMCID: PMC8854241 DOI: 10.1007/s00394-021-02671-4] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/28/2020] [Accepted: 08/31/2021] [Indexed: 11/29/2022]
Abstract
Purpose N-3 polyunsaturated fatty acids (n-3 PUFAs), which are an important nutrient for humans, are particularly essential to the growth and development of the central nervous system (CNS) in fetuses and infants. Consequently, sufficient n-3 PUFA intake by mothers during pregnancy is considered to contribute to CNS development in their infants. CNS development is known to be associated with sleep, but no large epidemiological studies have yet confirmed that n-3 PUFA intake during pregnancy is associated with infants’ sleep. Methods After exclusion and multiple imputation from a dataset comprising 104 065 records from the Japan Environment and Children’s Study (JECS), we examined 87 337 mother–child pairs for the association between mothers’ fish and n-3 PUFA intakes and risk of their infants sleeping less than 11 h at 1 year of age. Results Multiple logistic regression analysis with the lowest quintile used as a reference revealed odds ratios for the second through fifth quintiles of 0.81 (95% confidence interval [95% CI] 0.76–0.87), 0.81 (95% CI 0.76–0.87), 0.78 (95% CI 0.72–0.84), and 0.82 (95% CI 0.76–0.88) for fish intake (p for trend < 0.001) and 0.90 (95% CI 0.84–0.97), 0.88 (95% CI 0.81–0.94), 0.88 (95% CI 0.82–0.95), and 0.93 (95% CI 0.86–0.998) for n-3 PUFA intake (p for trend = 0.04). Conclusions Low fish intake during pregnancy may increase the risk of infants sleeping less than 11 h at 1 year of age. This relationship may have been mediated by maternal n-3 PUFA intake and infant neurodevelopment, but further evidence from interventional and other studies is needed to determine the appropriate level of fish intake during pregnancy. Trial registration The Japan Environment and Children’s Study, https://upload.umin.ac.jp/cgi-open-bin/ctr_e/ctr_view.cgi?recptno=R000035091 (Registration no. UMIN000030786). Supplementary Information The online version contains supplementary material available at 10.1007/s00394-021-02671-4.
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Affiliation(s)
- Narumi Sugimori
- Department of Public Health, Faculty of Medicine, University of Toyama, 2630 Sugitani, Toyama City, Toyama, 930-0194, Japan
| | - Kei Hamazaki
- Department of Public Health, Faculty of Medicine, University of Toyama, 2630 Sugitani, Toyama City, Toyama, 930-0194, Japan.,Toyama Regional Center for JECS, University of Toyama, Toyama, Japan
| | - Kenta Matsumura
- Toyama Regional Center for JECS, University of Toyama, Toyama, Japan
| | - Haruka Kasamatsu
- Toyama Regional Center for JECS, University of Toyama, Toyama, Japan
| | - Akiko Tsuchida
- Department of Public Health, Faculty of Medicine, University of Toyama, 2630 Sugitani, Toyama City, Toyama, 930-0194, Japan.,Toyama Regional Center for JECS, University of Toyama, Toyama, Japan
| | - Hidekuni Inadera
- Department of Public Health, Faculty of Medicine, University of Toyama, 2630 Sugitani, Toyama City, Toyama, 930-0194, Japan. .,Toyama Regional Center for JECS, University of Toyama, Toyama, Japan.
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Robinson DT, Van Horn L, Balmert L, Silver RM, Parry S, Haas DM, Wing DA, Grobman WA. Dietary Fat and Fatty Acid Intake in Nulliparous Women: Associations with Preterm Birth and Distinctions by Maternal BMI. Curr Dev Nutr 2021; 5:nzab074. [PMID: 34104849 PMCID: PMC8178106 DOI: 10.1093/cdn/nzab074] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/04/2021] [Revised: 04/21/2021] [Accepted: 04/26/2021] [Indexed: 12/14/2022] Open
Abstract
BACKGROUND Evidence documenting whether diet quality, particularly dietary fatty acids, is associated with preterm birth (PTB) is limited. OBJECTIVE The aim was to measure associations between dietary fatty acid intake prior to pregnancy, specifically n-3 (ɷ-3) PUFAs and odds of PTB in US women and determine if associations differed by prepregnancy BMI. METHODS We designed a secondary analysis of dietary intake in nulliparous women enrolled in a longitudinal cohort (NCT01322529). Participants completed an FFQ, modified to assess detailed PUFA intake, during the 3 mo preceding pregnancy. Inclusion in this analytic cohort required total energy intake within 2 SDs of the group mean. Prepregnancy BMI was categorized as underweight, normal, overweight, or obese. The primary exposure was estimated intake of EPA and DHA (combined EPA+DHA), in the context of a recommended intake of 250 mg. The primary outcome was PTB (<37 wk). Adjusted regression models controlled for maternal factors relevant to PTB and evaluated associations with PUFAs. Interaction terms estimated effect modification of BMI. A false discovery rate (FDR) correction accounted for multiple comparisons. RESULTS Median daily intake of combined EPA+DHA in 7365 women was 70 mg (IQR: 32, 145 mg). A significant interaction term indicated the effects of EPA+DHA on odds of PTB were different for different BMI categories (P < 0.01). Specifically, higher intake of combined EPA+DHA was nominally associated with reduced odds of PTB in women with underweight (OR: 0.67; 95% CI: 0.46-0.98) and normal BMI (OR: 0.87; 95% CI: 0.78-0.96), yet was associated with increased odds of overweight BMI (OR: 1.21; 95% CI: 1.02-1.44). Associations remained significant after FDR correction. CONCLUSIONS Based on a cohort of US women designed to identify predictors of adverse pregnancy outcomes, dietary intake of combined EPA+DHA was considerably lower than recommended. Associations between intake of these recommended n-3 fatty acids and risk of PTB differ by maternal BMI.
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Affiliation(s)
- Daniel T Robinson
- Northwestern University Feinberg School of Medicine, Chicago, IL, USA
| | - Linda Van Horn
- Northwestern University Feinberg School of Medicine, Chicago, IL, USA
| | - Lauren Balmert
- Northwestern University Feinberg School of Medicine, Chicago, IL, USA
| | - Robert M Silver
- University of Utah Health Sciences Center, Salt Lake City, UT, USA
| | - Samuel Parry
- University of Pennsylvania, Philadelphia, PA, USA
| | - David M Haas
- Indiana University School of Medicine, Indianapolis, IN, USA
| | | | - William A Grobman
- Northwestern University Feinberg School of Medicine, Chicago, IL, USA
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Hellström A, Nilsson AK, Wackernagel D, Pivodic A, Vanpee M, Sjöbom U, Hellgren G, Hallberg B, Domellöf M, Klevebro S, Hellström W, Andersson M, Lund AM, Löfqvist C, Elfvin A, Sävman K, Hansen-Pupp I, Hård AL, Smith LEH, Ley D. Effect of Enteral Lipid Supplement on Severe Retinopathy of Prematurity: A Randomized Clinical Trial. JAMA Pediatr 2021; 175:359-367. [PMID: 33523106 PMCID: PMC7851754 DOI: 10.1001/jamapediatrics.2020.5653] [Citation(s) in RCA: 65] [Impact Index Per Article: 21.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/31/2022]
Abstract
IMPORTANCE Lack of arachidonic acid (AA) and docosahexaenoic acid (DHA) after extremely preterm birth may contribute to preterm morbidity, including retinopathy of prematurity (ROP). OBJECTIVE To determine whether enteral supplementation with fatty acids from birth to 40 weeks' postmenstrual age reduces ROP in extremely preterm infants. DESIGN, SETTING, AND PARTICIPANTS The Mega Donna Mega trial, a randomized clinical trial, was a multicenter study performed at 3 university hospitals in Sweden from December 15, 2016, to December 15, 2019. The screening pediatric ophthalmologists were masked to patient groupings. A total of 209 infants born at less than 28 weeks' gestation were tested for eligibility, and 206 infants were included. Efficacy analyses were performed on as-randomized groups on the intention-to-treat population and on the per-protocol population using as-treated groups. Statistical analyses were performed from February to April 2020. INTERVENTIONS Infants received either supplementation with an enteral oil providing AA (100 mg/kg/d) and DHA (50 mg/kg/d) (AA:DHA group) or no supplementation within 3 days after birth until 40 weeks' postmenstrual age. MAIN OUTCOMES AND MEASURES The primary outcome was severe ROP (stage 3 and/or type 1). The secondary outcomes were AA and DHA serum levels and rates of other complications of preterm birth. RESULTS A total of 101 infants (58 boys [57.4%]; mean [SD] gestational age, 25.5 [1.5] weeks) were included in the AA:DHA group, and 105 infants (59 boys [56.2%]; mean [SD] gestational age, 25.5 [1.4] weeks) were included in the control group. Treatment with AA and DHA reduced severe ROP compared with the standard of care (16 of 101 [15.8%] in the AA:DHA group vs 35 of 105 [33.3%] in the control group; adjusted relative risk, 0.50 [95% CI, 0.28-0.91]; P = .02). The AA:DHA group had significantly higher fractions of AA and DHA in serum phospholipids compared with controls (overall mean difference in AA:DHA group, 0.82 mol% [95% CI, 0.46-1.18 mol%]; P < .001; overall mean difference in control group, 0.13 mol% [95% CI, 0.01-0.24 mol%]; P = .03). There were no significant differences between the AA:DHA group and the control group in the rates of bronchopulmonary dysplasia (48 of 101 [47.5%] vs 48 of 105 [45.7%]) and of any grade of intraventricular hemorrhage (43 of 101 [42.6%] vs 42 of 105 [40.0%]). In the AA:DHA group and control group, respectively, sepsis occurred in 42 of 101 infants (41.6%) and 53 of 105 infants (50.5%), serious adverse events occurred in 26 of 101 infants (25.7%) and 26 of 105 infants (24.8%), and 16 of 101 infants (15.8%) and 13 of 106 infants (12.3%) died. CONCLUSIONS AND RELEVANCE This study found that, compared with standard of care, enteral AA:DHA supplementation lowered the risk of severe ROP by 50% and showed overall higher serum levels of both AA and DHA. Enteral lipid supplementation with AA:DHA is a novel preventive strategy to decrease severe ROP in extremely preterm infants. TRIAL REGISTRATION ClinicalTrials.gov Identifier: NCT03201588.
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Affiliation(s)
- Ann Hellström
- Department of Clinical Neuroscience, Institute of Neuroscience and Physiology, Sahlgrenska Academy, University of Gothenburg, Gothenburg, Sweden
| | - Anders K. Nilsson
- Department of Clinical Neuroscience, Institute of Neuroscience and Physiology, Sahlgrenska Academy, University of Gothenburg, Gothenburg, Sweden
| | - Dirk Wackernagel
- Department of Neonatology, Karolinska University Hospital and Institute, Astrid Lindgrens Children’s Hospital, Stockholm, Sweden
| | - Aldina Pivodic
- Department of Clinical Neuroscience, Institute of Neuroscience and Physiology, Sahlgrenska Academy, University of Gothenburg, Gothenburg, Sweden
| | - Mireille Vanpee
- Department of Women’s and Children’s Health, Karolinska Institutet and Karolinska Univeristy Hospital, Stockholm, Sweden
| | - Ulrika Sjöbom
- Department of Clinical Neuroscience, Institute of Neuroscience and Physiology, Sahlgrenska Academy, University of Gothenburg, Gothenburg, Sweden,Institute of Health Care Science, Sahlgrenska Academy, University of Gothenburg, Gothenburg, Sweden
| | - Gunnel Hellgren
- Department of Clinical Neuroscience, Institute of Neuroscience and Physiology, Sahlgrenska Academy, University of Gothenburg, Gothenburg, Sweden,Institute of Biomedicine, Sahlgrenska Academy, University of Gothenburg, Gothenburg, Sweden
| | - Boubou Hallberg
- Department of Pediatrics, Institution of Clinical Science Intervention and Technology (CLINTEC), Karolinska Institutet and Department of Neonatology, Karolinska University Hospital, Stockholm, Sweden
| | - Magnus Domellöf
- Institute of Cinical Science, Department of Pediatrics, Umeå University Hospital, Umeå, Sweden
| | - Susanna Klevebro
- Department of Clinical Neuroscience, Institute of Neuroscience and Physiology, Sahlgrenska Academy, University of Gothenburg, Gothenburg, Sweden,Department of Clinical Science and Education, Stockholm South General Hospital, Karolinska Institutet, Sweden
| | - William Hellström
- Institute of Clinical Sciences, Sahlgrenska Academy, Department of Pediatrics, University of Gothenburg, Gothenburg, Sweden
| | - Mats Andersson
- Department of Clinical Neuroscience, Institute of Neuroscience and Physiology, Sahlgrenska Academy, University of Gothenburg, Gothenburg, Sweden
| | - Anna-My Lund
- Region Västra Götaland, Department of Neonatology, The Queen Silvia Children’s Hospital, Sahlgrenska University Hospital, Gothenburg, Sweden
| | - Chatarina Löfqvist
- Department of Clinical Neuroscience, Institute of Neuroscience and Physiology, Sahlgrenska Academy, University of Gothenburg, Gothenburg, Sweden,Institute of Health Care Science, Sahlgrenska Academy, University of Gothenburg, Gothenburg, Sweden
| | - Anders Elfvin
- Institute of Clinical Sciences, Sahlgrenska Academy, Department of Pediatrics, University of Gothenburg, Gothenburg, Sweden,Region Västra Götaland, Department of Neonatology, The Queen Silvia Children’s Hospital, Sahlgrenska University Hospital, Gothenburg, Sweden
| | - Karin Sävman
- Institute of Clinical Sciences, Sahlgrenska Academy, Department of Pediatrics, University of Gothenburg, Gothenburg, Sweden,Region Västra Götaland, Department of Neonatology, The Queen Silvia Children’s Hospital, Sahlgrenska University Hospital, Gothenburg, Sweden
| | - Ingrid Hansen-Pupp
- Department of Pediatrics, Institute of Clinical Sciences Lund, Lund University and Skane University Hospital, Lund, Sweden
| | - Anna-Lena Hård
- Department of Clinical Neuroscience, Institute of Neuroscience and Physiology, Sahlgrenska Academy, University of Gothenburg, Gothenburg, Sweden
| | - Lois E. H. Smith
- Department of Ophthalmology, Boston Children’s Hospital, Harvard Medical School, Boston, Massachusetts
| | - David Ley
- Department of Pediatrics, Institute of Clinical Sciences Lund, Lund University and Skane University Hospital, Lund, Sweden
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Strain JJ, Love TM, Yeates AJ, Weller D, Mulhern MS, McSorley EM, Thurston SW, Watson GE, Mruzek D, Broberg K, Rand MD, Henderson J, Shamlaye CF, Myers GJ, Davidson PW, van Wijngaarden E. Associations of prenatal methylmercury exposure and maternal polyunsaturated fatty acid status with neurodevelopmental outcomes at 7 years of age: results from the Seychelles Child Development Study Nutrition Cohort 2. Am J Clin Nutr 2021; 113:304-313. [PMID: 33330939 PMCID: PMC7851824 DOI: 10.1093/ajcn/nqaa338] [Citation(s) in RCA: 24] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/22/2020] [Accepted: 10/22/2020] [Indexed: 11/13/2022] Open
Abstract
BACKGROUND Fish is a primary source of protein and n-3 PUFA but also contains methylmercury (MeHg), a naturally occurring neurotoxicant to which, at sufficient exposure levels, the developing fetal brain is particularly sensitive. OBJECTIVES To examine the association between prenatal MeHg and maternal status of n-3 and n-6 PUFA with neurodevelopment, and to determine whether PUFA might modify prenatal MeHg associations with neurodevelopment. METHODS We examined the Seychelles Child Development Study Nutrition Cohort 2 (NC2) at age 7 y. We used a sophisticated and extensive neurodevelopmental test battery that addressed 17 specific outcomes in multiple neurodevelopmental domains: cognition, executive and psychomotor function, language development, behavior, scholastic achievement, and social communication. Analyses were undertaken on 1237 mother-child pairs with complete covariate data (after exclusions) and a measure of at least 1 outcome. We examined the main and interactive associations of prenatal MeHg exposure (measured as maternal hair mercury) and prenatal PUFA status (measured in maternal serum at 28 weeks' gestation) on child neurodevelopmental outcomes using linear regression models. We applied the Bonferroni correction to account for multiple comparisons and considered P values <0.0029 to be statistically significant. RESULTS Prenatal MeHg exposure and maternal DHA and arachidonic acid (20:4n-6) (AA) status were not significantly associated with any neurodevelopmental outcomes. Findings for 4 outcomes encompassing executive function, cognition, and linguistic skills suggested better performance with an increasing maternal n-6:n-3 PUFA ratio (P values ranging from 0.004 to 0.05), but none of these associations were significant after adjusting for multiple comparisons. No significant interaction between MeHg exposure and PUFA status was present. CONCLUSIONS Our findings do not support an association between prenatal MeHg exposure or maternal DHA and AA status with neurodevelopmental outcomes at age 7 y. The roles of n-6 and n-3 PUFA in child neurodevelopment need further research.
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Affiliation(s)
- JJ Strain
- Nutrition Innovation Centre for Food & Health, Ulster University, Coleraine, Northern Ireland, United Kingdom
| | - Tanzy M Love
- School of Medicine and Dentistry, University of Rochester, Rochester, NY, USA
| | - Alison J Yeates
- Nutrition Innovation Centre for Food & Health, Ulster University, Coleraine, Northern Ireland, United Kingdom
| | - Daniel Weller
- School of Medicine and Dentistry, University of Rochester, Rochester, NY, USA
| | - Maria S Mulhern
- Nutrition Innovation Centre for Food & Health, Ulster University, Coleraine, Northern Ireland, United Kingdom
| | - Emeir M McSorley
- Nutrition Innovation Centre for Food & Health, Ulster University, Coleraine, Northern Ireland, United Kingdom
| | - Sally W Thurston
- School of Medicine and Dentistry, University of Rochester, Rochester, NY, USA
| | - Gene E Watson
- School of Medicine and Dentistry, University of Rochester, Rochester, NY, USA
| | - Daniel Mruzek
- School of Medicine and Dentistry, University of Rochester, Rochester, NY, USA
| | - Karin Broberg
- Unit of Metals and Health, Institute of Environmental Medicine, Metals and Health, Karolinska Institute, Stockholm, Sweden
- Division of Occupational and Environmental Medicine, Laboratory of Medicine, Lund University, Lund, Sweden
| | - Matthew D Rand
- School of Medicine and Dentistry, University of Rochester, Rochester, NY, USA
| | | | | | - Gary J Myers
- School of Medicine and Dentistry, University of Rochester, Rochester, NY, USA
| | - Philip W Davidson
- School of Medicine and Dentistry, University of Rochester, Rochester, NY, USA
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10
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Ortega-Senovilla H, Schaefer-Graf U, Herrera E. Pregnant women with gestational diabetes and with well controlled glucose levels have decreased concentrations of individual fatty acids in maternal and cord serum. Diabetologia 2020; 63:864-874. [PMID: 31832744 DOI: 10.1007/s00125-019-05054-x] [Citation(s) in RCA: 22] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/25/2019] [Accepted: 10/28/2019] [Indexed: 12/15/2022]
Abstract
AIMS/HYPOTHESIS Both arachidonic acid (AA, 20:4 n-6) and docosahexaenoic acid (DHA,22:6 n-3), long-chain polyunsaturated fatty acids (LCPUFA), are involved in fetal development and, based on their percentage compositions, appear to be specifically accumulated in fetal circulation in a proposed phenomenon known as biomagnification. Discrepancies exist in the literature concerning the effect of gestational diabetes mellitus (GDM) on circulating fatty acids. Our objective was to analyse individual fatty acid concentrations in a large cohort of maternal and cord paired serum samples from pregnant women with and without GDM. METHODS Overnight fasted maternal and cord blood paired samples from 84 women with GDM and well controlled blood glucose levels and 90 healthy pregnant women (controls) were drawn at term. Individual fatty acids within total serum lipids were analysed by gas chromatography and expressed both as concentrations of fatty acid (mmol/l) and as a percentage of total fatty acids. RESULTS In the serum of overnight fasted pregnant women with GDM, the concentrations of most fatty acids were lower than in control women, except for AA and DHA, which remained the same. The concentrations of most fatty acids in cord serum were also lower in the GDM group than in the control group, except for α-linolenic acid (ALA,18:3 n-3), which was higher in the GDM group. In both groups, the concentrations of all fatty acids were lower in cord serum than in maternal serum. In GDM participants only, a positive and significant correlation between cord and maternal serum concentration of AA and DHA was observed. CONCLUSIONS/INTERPRETATION The expression of fatty acids in molar concentrations reveals that GDM decreases the concentration of most fatty acids in both maternal and cord serum. There is a high fetal dependence on maternal AA and DHA, but our findings do not support the existence of a fetal biomagnification of those two LCPUFA.
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Affiliation(s)
- Henar Ortega-Senovilla
- Dept. of Chemistry and Biochemistry, Facultad de Farmacia, Universidad San Pablo-CEU, Ctra. Boadilla del Monte km 5,3, E-28668, Madrid, Spain.
| | - Ute Schaefer-Graf
- Dept. of Obstetrics and Gynecology, St Joseph's Hospital Center for Diabetes in Pregnancy, Berlin, Germany
| | - Emilio Herrera
- Dept. of Chemistry and Biochemistry, Facultad de Farmacia, Universidad San Pablo-CEU, Ctra. Boadilla del Monte km 5,3, E-28668, Madrid, Spain
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11
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Wilson NA, Mantzioris E, Middleton PF, Muhlhausler BS. Influence of sociodemographic, lifestyle and genetic characteristics on maternal DHA and other polyunsaturated fatty acid status in pregnancy: A systematic review. Prostaglandins Leukot Essent Fatty Acids 2020; 152:102037. [PMID: 31811955 DOI: 10.1016/j.plefa.2019.102037] [Citation(s) in RCA: 16] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/28/2019] [Revised: 11/15/2019] [Accepted: 11/15/2019] [Indexed: 12/25/2022]
Abstract
INTRODUCTION Omega-3 DHA is important for the prevention of preterm birth, however there is limited knowledge of the determinants of omega-3 status during pregnancy. The primary objective of this systematic review was to synthesise data from existing studies assessing relationships between sociodemographic, diet, lifestyle and genetic factors and maternal DHA status. MATERIALS AND METHODS The Medline, Embase, Amed, and CINAHL databases were searched for studies reporting measures of maternal omega-3 status and a sociodemographic/lifestyle/genetic characteristic. RESULTS Twenty-two studies were included in the final analyses. Higher dietary fish consumption/PUFA intake, higher education level and an older maternal age were associated with higher maternal omega-3 status. Higher alcohol intake, smoking and FADS genotype were each associated with lower maternal omega-3 status. DISCUSSION Differences in findings between studies make it difficult to draw clear conclusions about the relationship between these factors and maternal omega-3 DHA status, although socioeconomic status may play a role.
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Affiliation(s)
- N A Wilson
- School of Pharmacy and Medical Sciences, University of South Australia, North Terrace & Frome Rd, Adelaide SA 5000, Australia
| | - E Mantzioris
- School of Pharmacy and Medical Sciences, University of South Australia, North Terrace & Frome Rd, Adelaide SA 5000, Australia
| | - P F Middleton
- South Australian Health and Medical Research Institute, SAHMRI Women and Kids, Level 7, 72 King William Rd, North Adelaide SA 5006, Australia
| | - B S Muhlhausler
- Food and Nutrition Research Group, Department of Food and Wine Sciences, School of Agriculture, Food and Wine, The University of Adelaide, Waite Road, Urrbrae SA 5064, Australia; Nutrition and Health Program, CSIRO Health and Biosecurity, Kintore Avenue, Adelaide SA 5001, Australia.
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12
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Yamada K, Kawabata T, Kagawa Y, Kimura F, Miyazawa T, Tatsuta N, Saito S, Arima T, Yaegashi N, Nakai K. Relationships between docosahexaenoic acid compositions of maternal and umbilical cord erythrocytes in pregnant Japanese women. Prostaglandins Leukot Essent Fatty Acids 2019; 147:1-5. [PMID: 31280860 DOI: 10.1016/j.plefa.2019.04.004] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/18/2018] [Revised: 04/06/2019] [Accepted: 04/11/2019] [Indexed: 01/21/2023]
Abstract
Previous reports have shown that the transfer of docosahexaenoic acid (DHA) from mother to fetus during pregnancy is important for development of the child's nervous and visual functions. The amount of DHA passing through the placenta varies depending on the relative DHA compositions of the erythrocytes in the maternal blood and the umbilical cord. Prior research has reported that if the DHA composition of the maternal erythrocytes is over 5.6 g%, DHA in the erythrocytes of the child undergoes bioattenuation, whereas it undergoes biomagnification if the maternal erythrocyte composition is lower than 5.6 g%. The relationship between DHA levels in maternal erythrocytes during pregnancy and in umbilical cord erythrocytes at delivery was assessed in Japanese pregnant women. This study was performed as an adjunct study of the Japan Environment and Children's Study. DHA compositions of maternal erythrocytes at 24-30 weeks of pregnancy and of umbilical cord erythrocytes at delivery were determined in 1368 mother-infant pairs. Median DHA values were 7.41% in the maternal erythrocytes and 6.84% in the umbilical cord erythrocytes, indicating significantly lower levels in the umbilical cord. When DHA composition in maternal erythrocytes was lower than 6.6%, DHA was theoretically higher in umbilical cord erythrocytes than in maternal erythrocytes. Conversely, when DHA composition in maternal erythrocytes was higher than 6.6%, DHA in umbilical cord erythrocytes was theoretically lower than in maternal erythrocytes. We therefore consider that there is a turning point of around 6% in the DHA composition of maternal and umbilical cord blood that is exchanged between mother and fetus: if the composition in the maternal blood is higher, then bioattenuation in DHA transfer from the maternal circulation to the umbilical cord occurs, while if it is lower, then biomagnification occurs. This corroborates the findings of previous research.
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Affiliation(s)
- Kazumi Yamada
- Faculty of Nutrition, Kagawa Nutrition University, 3-9-21 Chiyoda, Sakado, Saitama 350-0288, Japan.
| | - Terue Kawabata
- Faculty of Nutrition, Kagawa Nutrition University, 3-9-21 Chiyoda, Sakado, Saitama 350-0288, Japan
| | - Yasuo Kagawa
- Faculty of Nutrition, Kagawa Nutrition University, 3-9-21 Chiyoda, Sakado, Saitama 350-0288, Japan
| | - Fumiko Kimura
- Faculty of Comprehensive Human Sciences, Shokei Gakuin University, 4-10-1 Yurigaoka, Natori, Miyagi 981-1295, Japan; Food and Biodynamic Chemistry Laboratory, Graduate School of Agricultural Sciences, Tohoku University, 468-1 Aza-Aoba, Aramaki, Aoba-ku, Sendai, Miyagi 980-0845, Japan
| | - Teruo Miyazawa
- Food and Biodynamic Chemistry Laboratory, Graduate School of Agricultural Sciences, Tohoku University, 468-1 Aza-Aoba, Aramaki, Aoba-ku, Sendai, Miyagi 980-0845, Japan; New Industry Creation Hatchery Center (NICHe), Tohoku University, 6-6-10 Aza-Aoba, Aramaki, Aoba-ku, Sendai, Miyagi 980-8579, Japan
| | - Nozomi Tatsuta
- Department of Development and Environmental Medicine, Tohoku University Graduate School of Medicine, 2-1 Seiryo-machi, Aoba-ku, Sendai, Miyagi 980-8575, Japan
| | - Shoji Saito
- Department of Gynecology and Obstetrics, Tohoku University Graduate School of Medicine, 2-1 Seiryo-machi, Aoba-ku, Sendai, Miyagi 980-8575, Japan; Department of Obstetrics and Gynecology, Kesennuma City Hospital, Akaiwa-Suginosawa 8-2, Kesennuma, Miyagi 988-0181, Japan
| | - Takahiro Arima
- Department of Informative Genetics, Tohoku University Graduate School of Medicine, 2-1 Seiryo-machi, Aoba-ku, Sendai, Miyagi 980-8575, Japan
| | - Nobuo Yaegashi
- Department of Gynecology and Obstetrics, Tohoku University Graduate School of Medicine, 2-1 Seiryo-machi, Aoba-ku, Sendai, Miyagi 980-8575, Japan
| | - Kunihiko Nakai
- Department of Development and Environmental Medicine, Tohoku University Graduate School of Medicine, 2-1 Seiryo-machi, Aoba-ku, Sendai, Miyagi 980-8575, Japan
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13
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Wilson NA, Mantzioris E, Middleton PT, Muhlhausler BS. Gestational age and maternal status of DHA and other polyunsaturated fatty acids in pregnancy: A systematic review. Prostaglandins Leukot Essent Fatty Acids 2019; 144:16-31. [PMID: 31088623 DOI: 10.1016/j.plefa.2019.04.006] [Citation(s) in RCA: 23] [Impact Index Per Article: 4.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/27/2019] [Revised: 04/17/2019] [Accepted: 04/17/2019] [Indexed: 01/11/2023]
Abstract
INTRODUCTION Maternal diet is important in determining omega-3 DHA status however there is limited knowledge of other factors influencing maternal omega-3 concentrations during pregnancy. The primary objective of this systematic review and meta-analysis was to evaluate whether maternal DHA status changed across gestation. Changes in levels of other key polyunsaturated fatty acids were also investigated. MATERIALS AND METHODS The Medline, Embase, Amed, and CINAHL databases were searched. Included studies reported measures of maternal omega-3 status in at least two pregnancy trimesters. RESULTS Thirteen studies were included in the final analyses. Absolute omega-3 DHA concentrations increased across gestation, but decreased as a proportion of total lipids. DISCUSSION Our findings are consistent with previous observations of increases in lipid mobilisation, coupled with preferential transfer of DHA to the fetus, with advancing gestation. However the number of eligible studies was small and further investigations are required.
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Affiliation(s)
- Nina A Wilson
- School of Pharmacy and Medical Sciences, University of South Australia, North Terrace & Frome Rd, Adelaide SA 5000, Australia
| | - Evangeline Mantzioris
- School of Pharmacy and Medical Sciences, University of South Australia, North Terrace & Frome Rd, Adelaide SA 5000, Australia
| | - Philippa T Middleton
- South Australian Health and Medical Research Institute, SAHMRI Womens and Kids Level 7, 72 King William Rd, North Adelaide SA 5006, Australia
| | - Beverly S Muhlhausler
- School of Agriculture, Food and Wine, The University of Adelaide Waite Road, Urrbrae SA 5064, Australia; Nutrition and Health Program, CSIRO Health and Biosecurity Kintore Avenue, Adelaide SA 5001, Australia.
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14
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The Role of Lipids in Human Milk and Infant Formulae. Nutrients 2018; 10:nu10050567. [PMID: 29734711 PMCID: PMC5986447 DOI: 10.3390/nu10050567] [Citation(s) in RCA: 36] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/04/2018] [Revised: 04/26/2018] [Accepted: 05/01/2018] [Indexed: 12/14/2022] Open
Abstract
The quantity and quality of dietary lipids in infant formulae have a significant impact on health outcomes, especially when fat storing and/or absorption are limited (e.g., preterm birth and short bowel disease) or when fat byproducts may help to prevent some pathologies (e.g., atopy). The lipid composition of infant formulae varies according to the different fat sources used, and the potential biological effects are related to the variety of saturated and unsaturated fatty acids. For example, since lipids are the main source of energy when the normal absorptive capacity of the digestive tract is compromised, medium-chain saturated fatty acids might cover this requirement. Instead, ruminant-derived trans fatty acids and metabolites of n-3 long-chain polyunsaturated fatty acids with their anti-inflammatory properties can modulate immune function. Furthermore, dietary fats may influence the nutrient profile of formulae, improving the acceptance of these products and the compliance with dietary schedules.
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15
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Valenzuela R, Echeverria F, Ortiz M, Rincón-Cervera MÁ, Espinosa A, Hernandez-Rodas MC, Illesca P, Valenzuela A, Videla LA. Hydroxytyrosol prevents reduction in liver activity of Δ-5 and Δ-6 desaturases, oxidative stress, and depletion in long chain polyunsaturated fatty acid content in different tissues of high-fat diet fed mice. Lipids Health Dis 2017; 16:64. [PMID: 28395666 PMCID: PMC5387240 DOI: 10.1186/s12944-017-0450-5] [Citation(s) in RCA: 68] [Impact Index Per Article: 9.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/22/2017] [Accepted: 03/09/2017] [Indexed: 12/28/2022] Open
Abstract
Background Eicosapentaenoic acid (EPA, C20:5n-3), docosahexaenoic acid (DHA, C22:6n-3) and arachidonic acid (AA, C20:4n-6) are long-chain polyunsaturated fatty acids (LCPUFAs) with relevant roles in the organism. EPA and DHA are synthesized from the precursor alpha-linolenic acid (ALA, C18:3n-3), whereas AA is produced from linoleic acid (LA, C18:2n-6) through the action of Δ5 and Δ6-desaturases. High-fat diet (HFD) decreases the activity of both desaturases and LCPUFA accretion in liver and other tissues. Hydroxytyrosol (HT), a natural antioxidant, has an important cytoprotective effects in different cells and tissues. Methods Male mice C57BL/6 J were fed a control diet (CD) (10% fat, 20% protein, 70% carbohydrates) or a HFD (60% fat, 20% protein, 20% carbohydrates) for 12 weeks. Animals were daily supplemented with saline (CD) or 5 mg HT (HFD), and blood and the studied tissues were analyzed after the HT intervention. Parameters studied included liver histology (optical microscopy), activity of hepatic desaturases 5 and 6 (gas-liquid chromatography of methyl esters derivatives) and antioxidant enzymes (catalase, superoxide dismutase, glutathione peroxidase, and glutathione reductase by spectrophotometry), oxidative stress indicators (glutathione, thiobarbituric acid reactants, and the antioxidant capacity of plasma), gene expression assays for sterol regulatory element-binding protein 1c (SREBP-1c) (qPCR and ELISA), and LCPUFA profiles in liver, erythrocyte, brain, heart, and testicle (gas-liquid chromatography). Results HFD led to insulin resistance and liver steatosis associated with SREBP-1c upregulation, with enhancement in plasma and liver oxidative stress status and diminution in the synthesis and storage of n-6 and n-3 LCPUFAs in the studied tissues, compared to animals given control diet. HT supplementation significantly reduced fat accumulation in liver and plasma as well as tissue metabolic alterations induced by HFD. Furthermore, a normalization of desaturase activities, oxidative stress-related parameters, and tissue n-3 LCPUFA content was observed in HT-treated rats over control animals. Conclusions HT supplementation prevents metabolic alterations in desaturase activities, oxidative stress status, and n-3 LCPUFA content in the liver and extrahepatic tissues of mice fed HFD. Electronic supplementary material The online version of this article (doi:10.1186/s12944-017-0450-5) contains supplementary material, which is available to authorized users.
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Affiliation(s)
- Rodrigo Valenzuela
- Nutrition Department, Faculty of Medicine, University of Chile, Independencia 1027, Casilla, 70000, Santiago 7, Chile. .,Lipid Center, Institute of Nutrition and Food Technology (INTA), University of Chile, Santiago, Chile.
| | - Francisca Echeverria
- Nutrition Department, Faculty of Medicine, University of Chile, Independencia 1027, Casilla, 70000, Santiago 7, Chile
| | - Macarena Ortiz
- Nutrition Department, Faculty of Medicine, University of Chile, Independencia 1027, Casilla, 70000, Santiago 7, Chile
| | | | - Alejandra Espinosa
- Medical Technology Department, Faculty of Medicine, University of Chile, Santiago, Chile
| | | | - Paola Illesca
- Biochemistry Department. Faculty of Biochemistry, University of Litoral, Santa Fe, Argentina
| | - Alfonso Valenzuela
- Lipid Center, Institute of Nutrition and Food Technology (INTA), University of Chile, Santiago, Chile
| | - Luis A Videla
- Molecular and Clinical Pharmacology Program, Institute of Biomedical Science, Faculty of Medicine, University of Chile, Santiago, Chile
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16
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Henjum S, Lie Ø, Ulak M, Thorne-Lyman AL, Chandyo RK, Shrestha PS, W Fawzi W, Strand TA, Kjellevold M. Erythrocyte fatty acid composition of Nepal breast-fed infants. Eur J Nutr 2017; 57:1003-1013. [PMID: 28238109 DOI: 10.1007/s00394-017-1384-4] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/09/2016] [Accepted: 01/24/2017] [Indexed: 12/19/2022]
Abstract
PURPOSE Essential fatty acids play a critical role in the growth and development of infants, but little is known about the fatty acid status of populations in low-income countries. The objective was to describe the fatty acid composition of red blood cells (RBC) in breastfeed Nepali infants and a subsample of their mothers and to identify the main sources of fatty acids in the mother's diet, as well as the fatty acid composition of breast milk. METHODS RBC fatty acid composition was analyzed in a random sample of 303 infants and 72 mother, along with 68 breastmilk samples. Fatty acid profiles of the most important dietary fat sources were analyzed. Information on mother's diet and intake of fat was collected by three 24-h dietary recalls. RESULTS In infant RBC's, docosahexaenoic acid (DHA) was the main n-3 fatty acid, and arachidonic acid (AA) was the major n-6 fatty acid. Total n-6 PUFA was three times higher than total n-3 PUFA. Height-for-age (HAZ) was positively associated with DHA status and AA status in multivariable models. The concentration of all fatty acids was higher in children, compared to mothers, except Total n-6 PUFA and Linoleic acid (LA) where no differences were found. The mother's energy intake from fat was 13% and cooking oil (sesame, mustard, soybean or sunflower oil) contributed 52% of the fat intake. CONCLUSIONS RBC-DHA levels in both infants and mother was unexpected high taking into account few dietary DHA sources and the low DHA concentrations in breastmilk.
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Affiliation(s)
- Sigrun Henjum
- Oslo and Akershus University College of Applied Sciences, St. Olavs plass, P.O. Box 4, 0130, Oslo, Norway.
| | - Øyvind Lie
- National Institute of Nutrition and Seafood Research (NIFES), P.O. Box 2029, 5817, Bergen, Norway
| | - Manjeswori Ulak
- Department of Child Health, Institute of Medicine, Tribhuvan University, Maharajgunj, P.O. Box 1524, 44600, Kathmandu, Nepal
| | - Andrew L Thorne-Lyman
- Center for Human Nutrition, Johns Hopkins Bloomberg School of Public Health, 615 N. Wolfe Street, Baltimore, MD, 21205, USA
- Departments of Nutrition, Epidemiology, and Global Health and Population, Harvard T.H. Chan School of Public Health, 665 Huntington Avenue, Boston, MA, 02115, USA
| | - Ram K Chandyo
- Department of Community Medicine, Kathmandu Medical College, 21266, Kathmandu, Nepal
| | - Prakash S Shrestha
- Department of Child Health, Institute of Medicine, Tribhuvan University, Maharajgunj, P.O. Box 1524, 44600, Kathmandu, Nepal
| | - Wafaie W Fawzi
- Departments of Nutrition, Epidemiology, and Global Health and Population, Harvard T.H. Chan School of Public Health, 665 Huntington Avenue, Boston, MA, 02115, USA
| | - Tor A Strand
- Department of Research, Innlandet Hospital Trust and Centre for International Health, University of Bergen, 2629, Lillehammer, Norway
| | - Marian Kjellevold
- National Institute of Nutrition and Seafood Research (NIFES), P.O. Box 2029, 5817, Bergen, Norway
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Influence of Maternal Obesity and Gestational Weight Gain on Maternal and Foetal Lipid Profile. Nutrients 2016; 8:nu8060368. [PMID: 27314385 PMCID: PMC4924209 DOI: 10.3390/nu8060368] [Citation(s) in RCA: 25] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/22/2016] [Revised: 05/16/2016] [Accepted: 06/03/2016] [Indexed: 11/26/2022] Open
Abstract
Fatty acids (FAs) are fundamental for a foetus’s growth, serving as an energy source, structural constituents of cellular membranes and precursors of bioactive molecules, as well as being essential for cell signalling. Long-chain polyunsaturated FAs (LC-PUFAs) are pivotal in brain and visual development. It is of interest to investigate whether and how specific pregnancy conditions, which alter fatty acid metabolism (excessive pre-pregnancy body mass index (BMI) or gestational weight gain (GWG)), affect lipid supply to the foetus. For this purpose, we evaluated the erythrocyte FAs of mothers and offspring (cord-blood) at birth, in relation to pre-pregnancy BMI and GWG. A total of 435 mothers and their offspring (237 males, 51%) were included in the study. Distribution of linoleic acid (LA) and α-linolenic acid (ALA), and their metabolites, arachidonic acid, dihomogamma linoleic (DGLA) and ecosapentanoic acid, was significantly different in maternal and foetal erythrocytes. Pre-pregnancy BMI was significantly associated with maternal percentage of MUFAs (Coeff: −0.112; p = 0.021), LA (Coeff: −0.033; p = 0.044) and DHA (Coeff. = 0.055; p = 0.0016); inadequate GWG with DPA (Coeff: 0.637; p = 0.001); excessive GWG with docosaexahenoic acid (DHA) (Coeff. = −0.714; p = 0.004). Moreover, pre-pregnancy BMI was associated with foetus percentage of PUFAs (Coeff: −0.172; p = 0.009), omega 6 (Coeff: −0.098; p = 0.015) and DHA (Coeff: −0.0285; p = 0.036), even after adjusting for maternal lipids. Our findings show that maternal GWG affects maternal but not foetal lipid profile, differently from pre-pregnancy BMI, which influences both.
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Hadley KB, Ryan AS, Forsyth S, Gautier S, Salem N. The Essentiality of Arachidonic Acid in Infant Development. Nutrients 2016; 8:216. [PMID: 27077882 PMCID: PMC4848685 DOI: 10.3390/nu8040216] [Citation(s) in RCA: 220] [Impact Index Per Article: 27.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/17/2016] [Revised: 04/01/2016] [Accepted: 04/05/2016] [Indexed: 01/16/2023] Open
Abstract
Arachidonic acid (ARA, 20:4n-6) is an n-6 polyunsaturated 20-carbon fatty acid formed by the biosynthesis from linoleic acid (LA, 18:2n-6). This review considers the essential role that ARA plays in infant development. ARA is always present in human milk at a relatively fixed level and is accumulated in tissues throughout the body where it serves several important functions. Without the provision of preformed ARA in human milk or infant formula the growing infant cannot maintain ARA levels from synthetic pathways alone that are sufficient to meet metabolic demand. During late infancy and early childhood the amount of dietary ARA provided by solid foods is low. ARA serves as a precursor to leukotrienes, prostaglandins, and thromboxanes, collectively known as eicosanoids which are important for immunity and immune response. There is strong evidence based on animal and human studies that ARA is critical for infant growth, brain development, and health. These studies also demonstrate the importance of balancing the amounts of ARA and DHA as too much DHA may suppress the benefits provided by ARA. Both ARA and DHA have been added to infant formulas and follow-on formulas for more than two decades. The amounts and ratios of ARA and DHA needed in infant formula are discussed based on an in depth review of the available scientific evidence.
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Affiliation(s)
- Kevin B Hadley
- DSM Nutritional Products, 6480 Dobbin Road, Columbia, MD 21045, USA.
| | - Alan S Ryan
- Clinical Research Consulting, 9809 Halston Manor, Boynton Beach, FL 33473, USA.
| | - Stewart Forsyth
- School of Medicine, Dentistry & Nursing, University of Dundee, Ninewells Hospital and Medical School, Dundee, UK.
| | - Sheila Gautier
- DSM Nutritional Products, 6480 Dobbin Road, Columbia, MD 21045, USA.
| | - Norman Salem
- DSM Nutritional Products, 6480 Dobbin Road, Columbia, MD 21045, USA.
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Wadhwani NS, Narang AS, Mehendale SS, Wagh GN, Gupte SA, Joshi SR. Reduced Maternal Erythrocyte Long Chain Polyunsaturated Fatty Acids Exist in Early Pregnancy in Preeclampsia. Lipids 2015; 51:85-94. [PMID: 26626477 DOI: 10.1007/s11745-015-4098-5] [Citation(s) in RCA: 20] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/30/2015] [Accepted: 11/09/2015] [Indexed: 01/12/2023]
Abstract
The present prospective study examines proportions of maternal erythrocyte fatty acids across gestation and their association with cord erythrocyte fatty acids in normotensive control (NC) and preeclamptic pregnancies. We hypothesize that maternal fatty acid status in early pregnancy influences fetal fatty acid stores in preeclampsia. 137 NC women and 58 women with preeclampsia were included in this study. Maternal blood was collected at 3 time points during pregnancy (16-20th weeks, 26-30th weeks and at delivery). Cord blood was collected at delivery. Fatty acids were analyzed using gas chromatography. The proportions of maternal erythrocyte α-linolenic acid, docosahexaenoic acid, nervonic acid, and monounsaturated fatty acids (MUFA) (p < 0.05 for all) were lower while total n-6 fatty acids were higher (p < 0.05) at 16-20th weeks of gestation in preeclampsia as compared with NC. Cord 18:3n-3, 22:6n-3, 24:1n-9, MUFA, and total n-3 fatty acids (p < 0.05 for all) were also lower in preeclampsia as compared with NC. A positive association was observed between maternal erythrocyte 22:6n-3 and 24:1n-9 at 16-20th weeks with the same fatty acids in cord erythrocytes (p < 0.05 for both) in preeclampsia. Our study for the first time indicates alteration in maternal erythrocyte fatty acids at 16th weeks of gestation which is further reflected in cord erythrocytes at delivery in preeclampsia.
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Affiliation(s)
- Nisha S Wadhwani
- Department of Nutritional Medicine, Interactive Research School for Health Affairs (IRSHA), Bharati Vidyapeeth Deemed University, Pune Satara Road, Pune, 411043, India
| | - Ankita S Narang
- Department of Nutritional Medicine, Interactive Research School for Health Affairs (IRSHA), Bharati Vidyapeeth Deemed University, Pune Satara Road, Pune, 411043, India
| | - Savita S Mehendale
- Department of Obstetrics and Gynaecology, Bharati Medical College and Hospital, Bharati Vidyapeeth Deemed University, Pune, 411043, India
| | - Girija N Wagh
- Department of Obstetrics and Gynaecology, Bharati Medical College and Hospital, Bharati Vidyapeeth Deemed University, Pune, 411043, India
| | | | - Sadhana R Joshi
- Department of Nutritional Medicine, Interactive Research School for Health Affairs (IRSHA), Bharati Vidyapeeth Deemed University, Pune Satara Road, Pune, 411043, India.
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20
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Developmental changes in polyunsaturated fetal plasma phospholipids and feto-maternal plasma phospholipid ratios and their association with bronchopulmonary dysplasia. Eur J Nutr 2015; 55:2265-74. [DOI: 10.1007/s00394-015-1036-5] [Citation(s) in RCA: 27] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/31/2015] [Accepted: 09/05/2015] [Indexed: 12/31/2022]
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21
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Min Y, Djahanbakhch O, Hutchinson J, Eram S, Bhullar AS, Namugere I, Ghebremeskel K. Efficacy of docosahexaenoic acid-enriched formula to enhance maternal and fetal blood docosahexaenoic acid levels: Randomized double-blinded placebo-controlled trial of pregnant women with gestational diabetes mellitus. Clin Nutr 2015; 35:608-14. [PMID: 26091965 DOI: 10.1016/j.clnu.2015.05.020] [Citation(s) in RCA: 28] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/13/2014] [Revised: 05/15/2015] [Accepted: 05/31/2015] [Indexed: 11/28/2022]
Abstract
BACKGROUND & AIMS Gestational diabetes mellitus (GDM) compromises the level of docosahexaenoic acid (DHA) in phospholipids of maternal and fetal red blood cells and fetal plasma. This is of some concern because of the importance of DHA for fetal neuro-visual development. We have investigated whether this abnormality could be rectified by supplementation with DHA-enriched formula. METHODS Women with GDM (n = 138) recruited from Newham University Hospital, London received two capsules of DHA-enriched formula (active-group) or high oleic acid sunflower seed oil (placebo-group) from diagnosis until delivery. Maternal (baseline and delivery) and fetal (cord blood) red blood cell and plasma phospholipid fatty acid composition, and neonatal anthropometry were assessed. RESULTS One hundred and fourteen women (58 active, 56 placebo) completed the trial. The active-group compared with the placebo-group had significantly enhanced level of DHA in plasma phosphatidylcholine (4.5% vs 3.8%, P = 0.011), red blood cell phosphatidylcholine (2.7% vs 2.2%, P = 0.022) and phosphatidylethoanolamine (9.5% vs 7.6%, P = 0.002). There was no difference in cord plasma and red blood cell phospholipid DHA between the two groups. The neonates of the two groups of women had comparable anthropometric measurements at birth. CONCLUSION Daily supplementation of 600 mg DHA enhances maternal but not fetal DHA status in pregnancy complicated by GDM. The inefficacy of the supplement to improve fetal status suggests that the transfer of DHA across the placenta maybe impaired in women with the condition. Regardless of the mechanisms responsible for the impairment of the transfer, the finding has implications for the management of neonates of women with GDM because they are born with a reduced level of DHA and the condition is thought to be associated with a risk of neuro-developmental deficits. We suggest that babies of women with GDM, particularly those not suckling, similar to the babies born prematurely require formula milk fortified with a higher level of DHA.
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Affiliation(s)
- Yoeju Min
- Lipidomics and Nutrition Research Centre, Faculty of Life Sciences and Computing, London Metropolitan University, London, UK.
| | - Ovrang Djahanbakhch
- Newham University Hospital National Health Service Trust, London, UK; Academic Department of Women's Health, Queen Mary's School of Medicine, University of London, London, UK
| | - Joanne Hutchinson
- Newham University Hospital National Health Service Trust, London, UK; Lipidomics and Nutrition Research Centre, Faculty of Life Sciences and Computing, London Metropolitan University, London, UK
| | - Sofia Eram
- Lipidomics and Nutrition Research Centre, Faculty of Life Sciences and Computing, London Metropolitan University, London, UK
| | - Amritpal S Bhullar
- Lipidomics and Nutrition Research Centre, Faculty of Life Sciences and Computing, London Metropolitan University, London, UK
| | - Irene Namugere
- Newham University Hospital National Health Service Trust, London, UK
| | - Kebreab Ghebremeskel
- Lipidomics and Nutrition Research Centre, Faculty of Life Sciences and Computing, London Metropolitan University, London, UK
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22
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Jones KDJ, Ali R, Khasira MA, Odera D, West AL, Koster G, Akomo P, Talbert AWA, Goss VM, Ngari M, Thitiri J, Ndoro S, Knight MAG, Omollo K, Ndungu A, Mulongo MM, Bahwere P, Fegan G, Warner JO, Postle AD, Collins S, Calder PC, Berkley JA. Ready-to-use therapeutic food with elevated n-3 polyunsaturated fatty acid content, with or without fish oil, to treat severe acute malnutrition: a randomized controlled trial. BMC Med 2015; 13:93. [PMID: 25902844 PMCID: PMC4407555 DOI: 10.1186/s12916-015-0315-6] [Citation(s) in RCA: 36] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/09/2014] [Accepted: 03/09/2015] [Indexed: 12/05/2022] Open
Abstract
BACKGROUND Ready-to-use therapeutic foods (RUTF) are lipid-based pastes widely used in the treatment of acute malnutrition. Current specifications for RUTF permit a high n-6 polyunsaturated fatty acid (PUFA) content and low n-3 PUFA, with no stipulated requirements for preformed long-chain n-3 PUFA. The objective of this study was to develop an RUTF with elevated short-chain n-3 PUFA and measure its impact, with and without fish oil supplementation, on children's PUFA status during treatment of severe acute malnutrition. METHODS This randomized controlled trial in children with severe acute malnutrition in rural Kenya included 60 children aged 6 to 50 months who were randomized to receive i) RUTF with standard composition; ii) RUTF with elevated short chain n-3 PUFA; or iii) RUTF with elevated short chain n-3 PUFA plus fish oil capsules. Participants were followed-up for 3 months. The primary outcome was erythrocyte PUFA composition. RESULTS Erythrocyte docosahexaenoic acid (DHA) content declined from baseline in the two arms not receiving fish oil. Erythrocyte long-chain n-3 PUFA content following treatment was significantly higher for participants in the arm receiving fish oil than for those in the arms receiving RUTF with elevated short chain n-3 PUFA or standard RUTF alone: 3 months after enrollment, DHA content was 6.3% (interquartile range 6.0-7.3), 4.5% (3.9-4.9), and 3.9% (2.4-5.7) of total erythrocyte fatty acids (P <0.001), respectively, while eicosapentaenoic acid (EPA) content was 2.0% (1.5-2.6), 0.7% (0.6-0.8), and 0.4% (0.3-0.5) (P <0.001). RUTF with elevated short chain n-3 PUFA and fish oil capsules were acceptable to participants and carers, and there were no significant differences in safety outcomes. CONCLUSIONS PUFA requirements of children with SAM are not met by current formulations of RUTF, or by an RUTF with elevated short-chain n-3 PUFA without additional preformed long-chain n-3 PUFA. Clinical and growth implications of revised formulations need to be addressed in large clinical trials. TRIAL REGISTRATION Clinicaltrials.gov NCT01593969. Registered 4 May 2012.
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Affiliation(s)
- Kelsey D J Jones
- KEMRI-Wellcome Trust Research Programme, Kilifi, 230-80108, Kenya.
- Centre for Global Health Research and Section of Paediatrics, Imperial College, Norfolk Place, London, W2 1PG, UK.
| | - Rehema Ali
- KEMRI-Wellcome Trust Research Programme, Kilifi, 230-80108, Kenya.
| | | | - Dennis Odera
- KEMRI-Wellcome Trust Research Programme, Kilifi, 230-80108, Kenya.
| | - Annette L West
- Faculty of Medicine, University of Southampton, Southampton General Hosptial, Tremona Road, Southampton, SO16 6YD, UK.
| | - Grielof Koster
- Faculty of Medicine, University of Southampton, Southampton General Hosptial, Tremona Road, Southampton, SO16 6YD, UK.
| | - Peter Akomo
- Valid Nutrition, Cuibín Farm, Derry Duff, Bantry, Co., Cork, Republic of Ireland.
| | | | - Victoria M Goss
- Southampton National Institute of Health Research Respiratory Biomedical Research Unit, Southampton General Hosptial, Tremona Road, Southampton, SO16 6YD, UK.
| | - Moses Ngari
- KEMRI-Wellcome Trust Research Programme, Kilifi, 230-80108, Kenya.
| | | | - Said Ndoro
- Kilifi County Hospital, Ministry of Health, Kilifi, 230-80108, Kenya.
| | - Miguel A Garcia Knight
- KEMRI-Wellcome Trust Research Programme, Kilifi, 230-80108, Kenya.
- Nuffield Department of Clinical Medicine, Centre for Tropical Medicine & Global Health, University of Oxford, Old Road Campus, Roosevelt Drive, Oxford, OX3 7FZ, UK.
| | - Kenneth Omollo
- KEMRI-Wellcome Trust Research Programme, Kilifi, 230-80108, Kenya.
| | - Anne Ndungu
- KEMRI-Wellcome Trust Research Programme, Kilifi, 230-80108, Kenya.
| | - Musa M Mulongo
- KEMRI-Wellcome Trust Research Programme, Kilifi, 230-80108, Kenya.
| | - Paluku Bahwere
- Valid International, 35 Leopold Street, Oxford, OX4 1TW, UK.
| | - Greg Fegan
- KEMRI-Wellcome Trust Research Programme, Kilifi, 230-80108, Kenya.
- Nuffield Department of Clinical Medicine, Centre for Tropical Medicine & Global Health, University of Oxford, Old Road Campus, Roosevelt Drive, Oxford, OX3 7FZ, UK.
| | - John O Warner
- Centre for Global Health Research and Section of Paediatrics, Imperial College, Norfolk Place, London, W2 1PG, UK.
| | - Anthony D Postle
- Faculty of Medicine, University of Southampton, Southampton General Hosptial, Tremona Road, Southampton, SO16 6YD, UK.
| | - Steve Collins
- Valid Nutrition, Cuibín Farm, Derry Duff, Bantry, Co., Cork, Republic of Ireland.
- Valid International, 35 Leopold Street, Oxford, OX4 1TW, UK.
| | - Philip C Calder
- Faculty of Medicine, University of Southampton, Southampton General Hosptial, Tremona Road, Southampton, SO16 6YD, UK.
- National Institute of Health Southampton Biomedical Research Centre, Southampton General Hosptial, Tremona Road, Southampton, SO16 6YD, UK.
| | - James A Berkley
- KEMRI-Wellcome Trust Research Programme, Kilifi, 230-80108, Kenya.
- Nuffield Department of Clinical Medicine, Centre for Tropical Medicine & Global Health, University of Oxford, Old Road Campus, Roosevelt Drive, Oxford, OX3 7FZ, UK.
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23
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Strain JJ, Yeates AJ, van Wijngaarden E, Thurston SW, Mulhern MS, McSorley EM, Watson GE, Love TM, Smith TH, Yost K, Harrington D, Shamlaye CF, Henderson J, Myers GJ, Davidson PW. Prenatal exposure to methyl mercury from fish consumption and polyunsaturated fatty acids: associations with child development at 20 mo of age in an observational study in the Republic of Seychelles. Am J Clin Nutr 2015; 101:530-7. [PMID: 25733638 PMCID: PMC4340059 DOI: 10.3945/ajcn.114.100503] [Citation(s) in RCA: 93] [Impact Index Per Article: 10.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/04/2023] Open
Abstract
BACKGROUND Fish is a rich source of n-3 polyunsaturated fatty acids (PUFAs) but also contains the neurotoxicant methyl mercury (MeHg). PUFAs may modify the relation between prenatal MeHg exposure and child development either directly by enhancing neurodevelopment or indirectly through the inflammatory milieu. OBJECTIVE The objective was to investigate the associations of prenatal MeHg exposure and maternal PUFA status with child development at 20 mo of age. DESIGN The Seychelles Child Development Study Nutrition Cohort 2 is an observational study in the Republic of Seychelles, a high-fish-eating population. Mothers were enrolled during pregnancy and their children evaluated at 20 mo of age by using the Bayley Scales of Infant Development II (BSID-II), the MacArthur Bates Communicative Development Inventories (CDI), and the Infant Behavior Questionnaire-Revised. There were 1265 mother-child pairs with complete data. RESULTS Prenatal MeHg exposure had no direct associations with neurodevelopmental outcomes. Significant interactions were found between MeHg and PUFAs on the Psychomotor Developmental Index (PDI) of the BSID-II. Increasing MeHg was associated with lower PDI but only in children of mothers with higher n-6/n-3. Among mothers with higher n-3 PUFAs, increasing MeHg was associated with improved PDI. Higher maternal docosahexaenoic acid (DHA) was associated with improved CDI total gestures (language development) but was significantly adversely associated with the Mental Development Index (MDI), both with and without MeHg adjustment. Higher n-6:n-3 ratios were associated with poorer scores on all 3 CDI outcomes. CONCLUSIONS We found no overall adverse association between prenatal MeHg exposure and neurodevelopmental outcomes. However, maternal PUFA status as a putative marker of the inflammatory milieu appeared to modify the associations of prenatal MeHg exposure with the PDI. Increasing DHA status was positively associated with language development yet negatively associated with the MDI. These findings may indicate the existence of an optimal DHA balance with respect to arachidonic acid for different aspects of neurodevelopment.
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Affiliation(s)
- J J Strain
- From the Northern Ireland Centre for Food and Health (NICHE), School of Biomedical Sciences, University of Ulster (JJS, AJY, MSM, and EMM); the School of Medicine and Dentistry, University of Rochester, Rochester, NY (EvW, SWT, GEW, TML, THS, KY, DH, GJM, and PWD); and the Child Development Centre, Ministry of Health, Mahé, Republic of Seychelles (CFS and JH)
| | - Alison J Yeates
- From the Northern Ireland Centre for Food and Health (NICHE), School of Biomedical Sciences, University of Ulster (JJS, AJY, MSM, and EMM); the School of Medicine and Dentistry, University of Rochester, Rochester, NY (EvW, SWT, GEW, TML, THS, KY, DH, GJM, and PWD); and the Child Development Centre, Ministry of Health, Mahé, Republic of Seychelles (CFS and JH)
| | - Edwin van Wijngaarden
- From the Northern Ireland Centre for Food and Health (NICHE), School of Biomedical Sciences, University of Ulster (JJS, AJY, MSM, and EMM); the School of Medicine and Dentistry, University of Rochester, Rochester, NY (EvW, SWT, GEW, TML, THS, KY, DH, GJM, and PWD); and the Child Development Centre, Ministry of Health, Mahé, Republic of Seychelles (CFS and JH)
| | - Sally W Thurston
- From the Northern Ireland Centre for Food and Health (NICHE), School of Biomedical Sciences, University of Ulster (JJS, AJY, MSM, and EMM); the School of Medicine and Dentistry, University of Rochester, Rochester, NY (EvW, SWT, GEW, TML, THS, KY, DH, GJM, and PWD); and the Child Development Centre, Ministry of Health, Mahé, Republic of Seychelles (CFS and JH)
| | - Maria S Mulhern
- From the Northern Ireland Centre for Food and Health (NICHE), School of Biomedical Sciences, University of Ulster (JJS, AJY, MSM, and EMM); the School of Medicine and Dentistry, University of Rochester, Rochester, NY (EvW, SWT, GEW, TML, THS, KY, DH, GJM, and PWD); and the Child Development Centre, Ministry of Health, Mahé, Republic of Seychelles (CFS and JH)
| | - Emeir M McSorley
- From the Northern Ireland Centre for Food and Health (NICHE), School of Biomedical Sciences, University of Ulster (JJS, AJY, MSM, and EMM); the School of Medicine and Dentistry, University of Rochester, Rochester, NY (EvW, SWT, GEW, TML, THS, KY, DH, GJM, and PWD); and the Child Development Centre, Ministry of Health, Mahé, Republic of Seychelles (CFS and JH)
| | - Gene E Watson
- From the Northern Ireland Centre for Food and Health (NICHE), School of Biomedical Sciences, University of Ulster (JJS, AJY, MSM, and EMM); the School of Medicine and Dentistry, University of Rochester, Rochester, NY (EvW, SWT, GEW, TML, THS, KY, DH, GJM, and PWD); and the Child Development Centre, Ministry of Health, Mahé, Republic of Seychelles (CFS and JH)
| | - Tanzy M Love
- From the Northern Ireland Centre for Food and Health (NICHE), School of Biomedical Sciences, University of Ulster (JJS, AJY, MSM, and EMM); the School of Medicine and Dentistry, University of Rochester, Rochester, NY (EvW, SWT, GEW, TML, THS, KY, DH, GJM, and PWD); and the Child Development Centre, Ministry of Health, Mahé, Republic of Seychelles (CFS and JH)
| | - Tristram H Smith
- From the Northern Ireland Centre for Food and Health (NICHE), School of Biomedical Sciences, University of Ulster (JJS, AJY, MSM, and EMM); the School of Medicine and Dentistry, University of Rochester, Rochester, NY (EvW, SWT, GEW, TML, THS, KY, DH, GJM, and PWD); and the Child Development Centre, Ministry of Health, Mahé, Republic of Seychelles (CFS and JH)
| | - Kelley Yost
- From the Northern Ireland Centre for Food and Health (NICHE), School of Biomedical Sciences, University of Ulster (JJS, AJY, MSM, and EMM); the School of Medicine and Dentistry, University of Rochester, Rochester, NY (EvW, SWT, GEW, TML, THS, KY, DH, GJM, and PWD); and the Child Development Centre, Ministry of Health, Mahé, Republic of Seychelles (CFS and JH)
| | - Donald Harrington
- From the Northern Ireland Centre for Food and Health (NICHE), School of Biomedical Sciences, University of Ulster (JJS, AJY, MSM, and EMM); the School of Medicine and Dentistry, University of Rochester, Rochester, NY (EvW, SWT, GEW, TML, THS, KY, DH, GJM, and PWD); and the Child Development Centre, Ministry of Health, Mahé, Republic of Seychelles (CFS and JH)
| | - Conrad F Shamlaye
- From the Northern Ireland Centre for Food and Health (NICHE), School of Biomedical Sciences, University of Ulster (JJS, AJY, MSM, and EMM); the School of Medicine and Dentistry, University of Rochester, Rochester, NY (EvW, SWT, GEW, TML, THS, KY, DH, GJM, and PWD); and the Child Development Centre, Ministry of Health, Mahé, Republic of Seychelles (CFS and JH)
| | - Juliette Henderson
- From the Northern Ireland Centre for Food and Health (NICHE), School of Biomedical Sciences, University of Ulster (JJS, AJY, MSM, and EMM); the School of Medicine and Dentistry, University of Rochester, Rochester, NY (EvW, SWT, GEW, TML, THS, KY, DH, GJM, and PWD); and the Child Development Centre, Ministry of Health, Mahé, Republic of Seychelles (CFS and JH)
| | - Gary J Myers
- From the Northern Ireland Centre for Food and Health (NICHE), School of Biomedical Sciences, University of Ulster (JJS, AJY, MSM, and EMM); the School of Medicine and Dentistry, University of Rochester, Rochester, NY (EvW, SWT, GEW, TML, THS, KY, DH, GJM, and PWD); and the Child Development Centre, Ministry of Health, Mahé, Republic of Seychelles (CFS and JH)
| | - Philip W Davidson
- From the Northern Ireland Centre for Food and Health (NICHE), School of Biomedical Sciences, University of Ulster (JJS, AJY, MSM, and EMM); the School of Medicine and Dentistry, University of Rochester, Rochester, NY (EvW, SWT, GEW, TML, THS, KY, DH, GJM, and PWD); and the Child Development Centre, Ministry of Health, Mahé, Republic of Seychelles (CFS and JH)
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24
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Min Y, Djahanbakhch O, Hutchinson J, Bhullar AS, Raveendran M, Hallot A, Eram S, Namugere I, Nateghian S, Ghebremeskel K. Effect of docosahexaenoic acid-enriched fish oil supplementation in pregnant women with Type 2 diabetes on membrane fatty acids and fetal body composition--double-blinded randomized placebo-controlled trial. Diabet Med 2014; 31:1331-40. [PMID: 24925713 DOI: 10.1111/dme.12524] [Citation(s) in RCA: 21] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/04/2013] [Revised: 04/16/2014] [Accepted: 06/09/2014] [Indexed: 01/05/2023]
Abstract
AIMS To test if docosahexaenoic acid-enriched fish oil supplementation rectifies red cell membrane lipid anomaly in pregnant women with Type 2 diabetes and their neonates, and alters fetal body composition. METHODS Women with Type 2 diabetes (n = 88; 41 fish oil, 47 placebo) and healthy women (n = 85; 45 fish oil, 40 placebo) were supplemented from the first trimester until delivery. Blood fatty acid composition, fetal biometric and neonatal anthropometric measurements were assessed. RESULTS A total of 117 women completed the trial. The women with Type 2 diabetes who took fish oil compared with those who received placebo had higher percentage of docosahexaenoic acid in red cell phosphatidylethanolamine in the third trimester (12.0% vs. 8.9%, P = 0.000) and at delivery (10.7% vs. 7.4%, P = 0.001). Similarly, the neonates of the women with Type 2 diabetes supplemented with the fish oil had increased docosahexaenoic acid in the red cell phosphatidylethanolamine (9.2% vs. 7.7%, P = 0.027) and plasma phosphatidylcholine (6.1% vs. 4.7%, P = 0.020). Docosahexaenoic acid-rich fish oil had no effect on the body composition of the fetus and neonates of the women with Type 2 diabetes. CONCLUSIONS A daily dose of 600 mg of docosahexaenoic acid was effective in ameliorating red cell membrane docosahexaenoic acid anomaly in pregnant women with Type 2 diabetes and neonates, and in preventing the decline of maternal docosahexaenoic acid during pregnancy. We suggest that the provision of docosahexaenoic acid supplement should be integrated in the antenatal care of pregnant women with Type 2 diabetes.
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Affiliation(s)
- Y Min
- Lipidomics and Nutrition Research Centre, Faculty of Life Sciences and Computing, London Metropolitan University, London, UK
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25
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Bernhard W, Raith M, Koch V, Kunze R, Maas C, Abele H, Poets CF, Franz AR. Plasma phospholipids indicate impaired fatty acid homeostasis in preterm infants. Eur J Nutr 2014; 53:1533-47. [PMID: 24464176 DOI: 10.1007/s00394-014-0658-3] [Citation(s) in RCA: 23] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/18/2013] [Accepted: 01/13/2014] [Indexed: 11/28/2022]
Abstract
BACKGROUND During fetal development, docosahexaenoic (DHA) and arachidonic acid (ARA) are particularly enriched in brain phospholipids. After preterm delivery, fetal enrichment of DHA and ARA via placental transfer is replaced by enteral and parenteral nutrition, which is rich in linoleic acid (LA) instead. Specific DHA and ARA enrichment of lipoproteins is reflected by plasma phosphatidylcholine (PC) species, whereas plasma phosphatidylethanolamine (PE) composition reflects hepatic stores. OBJECTIVE We profiled PC and PE species in preterm infant plasma, compared with cord and maternal blood, to assess whether current feeding practice meets fetal conditions in these patients. DESIGN Preterm infant plasma (N = 171, 23-35 w postmenstrual age (PMA), postnatal day 1-103), cord plasma (N = 194) and maternal serum (N = 121) (both 24-41 w PMA) were collected. After lipid extraction, PC and PE molecular species were analyzed using tandem mass spectrometry. RESULTS Phospholipid concentrations were higher in preterm infant than in cord plasma after correction for PMA. This was mainly due to postnatal increases in LA-containing PC and PE, resulting in decreased fractions of their DHA- and ARA-containing counterparts. These changes in preterm infant plasma phospholipids occurred during the time of transition to full enteral feeds (day 0-10 after delivery). Thereafter, the fraction of ARA-containing phospholipids further decreased, whereas that of DHA slowly reincreased but remained at a level 50% of that of PMA-matched cord blood. CONCLUSIONS The postnatal increase in LA-PC in preterm infant plasma results in decreased fractions of DHA-PC and ARA-PC. These changes are also reflected by PE molecular composition as an indicator of altered hepatic fatty acid homeostasis. They are presumably caused by inadequately high LA, and low ARA and DHA supply, at a stage of development when ARA-PC and DHA-PC should be high, probably reducing the availability of DHA and ARA to the developing brain and contributing to impaired neurodevelopment of preterm infants.
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Affiliation(s)
- Wolfgang Bernhard
- Department of Neonatology, Faculty of Medicine, Eberhard-Karls-University, Calwer Straße 7, 72076, Tübingen, Germany,
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26
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Luxwolda MF, Kuipers RS, Boersma ER, van Goor SA, Dijck-Brouwer DAJ, Bos AF, Muskiet FAJ. DHA status is positively related to motor development in breastfed African and Dutch infants. Nutr Neurosci 2013; 17:97-103. [PMID: 23710566 DOI: 10.1179/1476830513y.0000000070] [Citation(s) in RCA: 10] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/31/2022]
Abstract
OBJECTIVES Docosahexaenoic (DHA) and arachidonic (AA) acids are important for neurodevelopment. We investigated the relation between erythrocyte (RBC) DHA and AA contents and neurological development, by assessment of General Movements (GMs), in populations with substantial differences in fish intakes. METHODS We included 3-month-old breastfed infants of three Tanzanian tribes: Maasai (low fish, n = 5), Pare (intermediate fish, n = 32), and Sengerema (high fish, n = 60); and a Dutch population (low-intermediate, fish, n = 15). GMs were assessed by motor optimality score (MOS) and the number of observed movement patterns (OMP; an MOS sub-score). RBC-DHA and AA contents were determined by capillary gas chromatography. RESULTS We found no between-population differences in MOS. OMP of Sengerema infants (high fish) was higher than OMP of Dutch infants (low-intermediate fish). MOS related to age. OMP related positively to infant age (P < 0.001) and RBC-DHA (P = 0.015), and was unrelated to ethnicity and RBC-AA. DISCUSSION The positive relation between RBC-DHA and the number of observed movement patterns of 3-month old infants might reflect the connection of DHA with motor development.
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Interrelationships between maternal DHA in erythrocytes, milk and adipose tissue. Is 1 wt% DHA the optimal human milk content? Data from four Tanzanian tribes differing in lifetime stable intakes of fish. Br J Nutr 2013; 111:854-66. [PMID: 24175990 DOI: 10.1017/s0007114513003255] [Citation(s) in RCA: 19] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
Abstract
Little is known about the interrelationships between maternal and infant erythrocyte-DHA, milk-DHA and maternal adipose tissue (AT)-DHA contents. We studied these relationships in four tribes in Tanzania (Maasai, Pare, Sengerema and Ukerewe) differing in their lifetime intakes of fish. Cross-sectional samples were collected at delivery and after 3 d and 3 months of exclusive breast-feeding. We found that intra-uterine biomagnification is a sign of low maternal DHA status, that genuine biomagnification occurs during lactation, that lactating mothers with low DHA status cannot augment their infants' DHA status, and that lactating mothers lose DHA independent of their DHA status. A maternal erythrocyte-DHA content of 8 wt% was found to correspond with a mature milk-DHA content of 1·0 wt% and with subcutaneous and abdominal (omentum) AT-DHA contents of about 0·39 and 0·52 wt%, respectively. Consequently, 1 wt% DHA might be a target for Western human milk and infant formula that has milk arachidonic acid, EPA and linoleic acid contents of 0·55, 0·22 and 9·32 wt%, respectively. With increasing DHA status, the erythrocyte-DHA content reaches a plateau of about 9 wt%, and it plateaus more readily than milk-DHA and AT-DHA contents. Compared with the average Tanzanian-Ukerewe woman, the average US woman has four times lower AT-DHA content (0·4 v. 0·1 wt%) and five times lower mature milk-DHA output (301 v. 60 mg/d), which contrasts with her estimated 1·8-2·6 times lower mobilisable AT-DHA content (19 v. 35-50 g).
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Scholtz SA, Colombo J, Carlson SE. Clinical overview of effects of dietary long-chain polyunsaturated fatty acids during the perinatal period. NESTLE NUTRITION INSTITUTE WORKSHOP SERIES 2013; 77:145-54. [PMID: 24107504 PMCID: PMC4188474 DOI: 10.1159/000351397] [Citation(s) in RCA: 21] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
Abstract
The current report provides a brief background introducing 30 years of research on long-chain polyunsaturated fatty acids (LC-PUFA) and infant development, but focuses mainly on challenges for future studies. Infants fed formulas containing only vegetable fats were found to have lower docosahexaenoic acid (DHA, 22:6n-3) and arachidonic acid (20:4n-6) status than infants fed human milk. Studies soon focused on efforts to improve LC-PUFA status and evaluate functions suggested by early primate studies of DHA deficiency. Despite evidence for the importance of these fatty acids for development, particularly DHA, several recent meta-analyses conclude dietary supplementation does not enhance development. Future studies should employ (1) more finely grained measures of brain development as opposed to global measures, and (2) tests that evaluate development later in childhood when children are able to be tested on more complex behaviors (if found effective these would also be evidence of early brain programming). (3) Studies are needed to understand the cause of high variability in transfer of DHA to the fetus. (4) Finally, the role of single-nucleotide polymorphisms of the fatty acid desaturase genes 1 and 2 of mother and infant needs study to determine how they affect requirements for these fatty acids by the fetus/infant.
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Affiliation(s)
- Susan A Scholtz
- University of Kansas Medical Center, Kansas City, KS, and University of Kansas, Lawrence, KS, USA
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Vitamin D status indicators in indigenous populations in East Africa. Eur J Nutr 2012; 52:1115-25. [PMID: 22878781 DOI: 10.1007/s00394-012-0421-6] [Citation(s) in RCA: 88] [Impact Index Per Article: 7.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/03/2012] [Accepted: 07/05/2012] [Indexed: 02/06/2023]
Abstract
PURPOSE Sufficient vitamin D status may be defined as the evolutionary established circulating 25-hydroxyvitamin D [25(OH)D] matching our Paleolithic genome. METHODS We studied serum 25(OH)D [defined as 25(OH)D₂ + 25(OH)D₃] and its determinants in 5 East African ethnical groups across the life cycle: Maasai (MA) and Hadzabe (HA) with traditional life styles and low fish intakes, and people from Same (SA; intermediate fish), Sengerema (SE; high fish), and Ukerewe (UK; high fish). Samples derived from non-pregnant adults (MA, HA, SE), pregnant women (MA, SA, SE), mother-infant couples at delivery (UK), infants at delivery and their lactating mothers at 3 days (MA, SA, SE), and lactating mothers at 3 months postpartum (SA, SE). Erythrocyte docosahexaenoic acid (RBC-DHA) was determined as a proxy for fish intake. RESULTS The mean ± SD 25(OH)D of non-pregnant adults and cord serum were 106.8 ± 28.4 and 79.9 ± 26.4 nmol/L, respectively. Pregnancy, delivery, ethnicity (which we used as a proxy for sunlight exposure), RBC-DHA, and age were the determinants of 25(OH)D. 25(OH)D increased slightly with age. RBC-DHA was positively related to 25(OH)D, notably 25(OH)D₂. Pregnant MA (147.7 vs. 118.3) and SE (141.9 vs. 89.0) had higher 25(OH)D than non-pregnant counterparts (MA, SE). Infant 25(OH)D at delivery in Ukerewe was about 65 % of maternal 25(OH)D. CONCLUSIONS Our ancient 25(OH)D amounted to about 115 nmol/L and sunlight exposure, rather than fish intake, was the principal determinant. The fetoplacental unit was exposed to high 25(OH)D, possibly by maternal vitamin D mobilization from adipose tissue, reduced insulin sensitivity, trapping by vitamin D-binding protein, diminished deactivation, or some combination.
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Kuipers RS, Luxwolda MF, Offringa PJ, Boersma ER, Dijck-Brouwer DAJ, Muskiet FAJ. Gestational age dependent changes of the fetal brain, liver and adipose tissue fatty acid compositions in a population with high fish intakes. Prostaglandins Leukot Essent Fatty Acids 2012; 86:189-99. [PMID: 22425685 DOI: 10.1016/j.plefa.2012.02.007] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/02/2011] [Revised: 02/21/2012] [Accepted: 02/25/2012] [Indexed: 11/24/2022]
Abstract
INTRODUCTION There are no data on the intrauterine fatty acid (FA) compositions of brain, liver and adipose tissue of infants born to women with high fish intakes. SUBJECTS AND METHODS We analyzed the brain (n=18), liver (n=14) and adipose tissue (n=11) FA compositions of 20 stillborn infants with different gestational ages (range 8-38 weeks) born to Tanzanian women with low linoleic acid (LA) intakes and high intakes of docosahexaenoic (DHA) and arachidonic (AA) acids from local fish. RESULTS AND DISCUSSION With advancing gestation, brain saturated-FA (SAFA; in g/100g FA), polyunsaturated-FA (PUFA), DHA, 20:3ω6, 22:4ω6 and 22:5ω6 increased, while monounsaturated-FA (MUFA), 20:3ω9, 22:3ω9 and AA decreased. Decreasing brain AA might be caused by increasing AA-metabolism to 20:3ω6, 22:4ω6 and 22:5ω6. In the liver, SAFA, PUFA and LA increased, while MUFA decreased with gestation. The steep increase of (mostly de novo synthesized) SAFA in adipose tissue coincided with relative decreases of MUFA, PUFA, DHA, LA and AA with advancing gestation. Compared to Western infants, the currently studied African infants had higher DHA, lower AA, and a higher DHA/AA-ratio in brain and adipose tissue, while the LA content of adipose tissue was lower. CONCLUSION The low LA and high DHA and AA intakes by the mothers of these infants might support optimal α-linolenic (ALA) vs. LA competition for Δ5D and Δ6D-activities and DHA vs. AA antagonism. Conversely, the Western diet, characterized by high LA and lower DHA and AA intakes, might disturb these evolutionary conserved mechanisms aiming at an optimal ω3/ω6-balance.
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Affiliation(s)
- Remko S Kuipers
- Laboratory Medicine, University Medical Center Groningen, The Netherlands.
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