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Amza M, Haj Hamoud B, Sima RM, Dinu MD, Gorecki GP, Popescu M, Gică N, Poenaru MO, Pleș L. Docosahexaenoic Acid (DHA) and Eicosapentaenoic Acid (EPA)-Should They Be Mandatory Supplements in Pregnancy? Biomedicines 2024; 12:1471. [PMID: 39062044 PMCID: PMC11274850 DOI: 10.3390/biomedicines12071471] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/14/2024] [Revised: 06/17/2024] [Accepted: 06/25/2024] [Indexed: 07/28/2024] Open
Abstract
Docosahexaenoic acid (DHA) and eicosapentaenoic acid (EPA) are essential fatty acids for the human body. Seafood and microalgae are the most important sources of omega-3 fatty acids. Supplementation with 200 mg/day of DHA during pregnancy and breastfeeding has been suggested for women and infants in countries with low seafood consumption. Maternal concentration of DHA and EPA was associated with concentration in cord blood and breast milk. High concentrations of DHA and EPA were identified at the level of retinal photoreceptors and neuronal cell membranes. It was observed that supplementation with DHA and EPA during pregnancy had beneficial effects on the neurological development of the fetus and infant by improving language, memory, attention, and hand coordination, affecting sleep patterns, and improving visual acuity. Beneficial effects on the development of the infant were also associated with the maternal intake of omega-3 fatty acids during breastfeeding. Supplementation with DHA and EPA may reduce the risk of preterm birth but also of preeclampsia in low-risk pregnancies. Women of childbearing age should have an intake of 250 mg/day of DHA + EPA from their diet or supplements. To reduce the risk of premature birth, pregnant women must additionally receive at least 100-200 mg of DHA every day. It is recommended that supplementation with omega-3 fatty acids starts before 20 weeks of pregnancy. Beneficial effects on the mother have been identified, such as the reduction of postpartum depression symptoms, the decrease of cardiovascular risk, and the anti-inflammatory role.
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Affiliation(s)
- Mihaela Amza
- Department of Obstetrics and Gynecology, “Carol Davila” University of Medicine and Pharmacy, 020021 Bucharest, Romania; (M.A.); (N.G.); (M.-O.P.); (L.P.)
- “Bucur” Maternity, Saint John Hospital, 012361 Bucharest, Romania
- Department PhD, IOSUD, “Carol Davila” University of Medicine and Pharmacy, 020021 Bucharest, Romania;
| | - Bashar Haj Hamoud
- Department for Gynecology, Obstetrics and Reproductive Medicine, Saarland University Hospital, Kirrberger Straße 100, Building 9, 66421 Homburg, Germany;
| | - Romina-Marina Sima
- Department of Obstetrics and Gynecology, “Carol Davila” University of Medicine and Pharmacy, 020021 Bucharest, Romania; (M.A.); (N.G.); (M.-O.P.); (L.P.)
- “Bucur” Maternity, Saint John Hospital, 012361 Bucharest, Romania
| | - Mihai-Daniel Dinu
- Department PhD, IOSUD, “Carol Davila” University of Medicine and Pharmacy, 020021 Bucharest, Romania;
| | | | - Mihai Popescu
- Department of Anaesthesia and Intensive Care, “Carol Davila” University of Medicine and Pharmacy, 020021 Bucharest, Romania;
- Department of Anaesthesia and Intensive Care, Bucharest University Emergency Hospital, 050098 Bucharest, Romania
| | - Nicolae Gică
- Department of Obstetrics and Gynecology, “Carol Davila” University of Medicine and Pharmacy, 020021 Bucharest, Romania; (M.A.); (N.G.); (M.-O.P.); (L.P.)
- Filantropia Clinical Hospital Bucharest, 011132 Bucharest, Romania
| | - Mircea-Octavian Poenaru
- Department of Obstetrics and Gynecology, “Carol Davila” University of Medicine and Pharmacy, 020021 Bucharest, Romania; (M.A.); (N.G.); (M.-O.P.); (L.P.)
- “Bucur” Maternity, Saint John Hospital, 012361 Bucharest, Romania
| | - Liana Pleș
- Department of Obstetrics and Gynecology, “Carol Davila” University of Medicine and Pharmacy, 020021 Bucharest, Romania; (M.A.); (N.G.); (M.-O.P.); (L.P.)
- “Bucur” Maternity, Saint John Hospital, 012361 Bucharest, Romania
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Wilms JN, van der Nat V, Ghaffari MH, Steele MA, Sauerwein H, Martín-Tereso J, Leal LN. Fat composition of milk replacer influences growth performance, feeding behavior, and plasma fatty acid profile in ad libitum-fed calves. J Dairy Sci 2024; 107:2797-2817. [PMID: 37944801 DOI: 10.3168/jds.2023-23740] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/12/2023] [Accepted: 09/24/2023] [Indexed: 11/12/2023]
Abstract
Fat composition in milk replacers (MR) for calves differs from bovine milk fat in multiple ways. The aim of the study was to investigate the impact of different approaches of formulating fat in MR on growth, ad libitum intakes of MR and solid feeds, as well as blood metabolites in dairy calves. Upon 24 to 96 h after birth, 63 calves were acquired from dairy farms and incorporated into the study. Calves were blocked based on arrival day and randomly assigned within each block to one of 3 treatments differing in MR fat composition (n = 21 per group): VG was based on vegetable fats including 80% rapeseed and 20% coconut fats; AN was formulated with animal fats including 65% lard and 35% dairy cream; and MX with a mixture of 80% lard and 20% coconut fats. All 3 MR contained 30% fat, 24% crude protein, and 36% lactose and were formulated to have a fatty acid profile resembling that of milk fat. From arrival onward (3.1 ± 0.84 d of age; means ± standard deviation), calves were group housed and were offered an ad libitum supply of MR at 135 g/L (13.5% solids). Weaning was gradual and induced between wk 7 and 10, after which calves were fed only solid feeds. Starter feed, chopped straw, and water were offered ad libitum throughout the study. Calves were weighed, and blood was collected weekly until d 84 after arrival. Preweaning average daily gain was greater in calves fed AN (915 g/d) than other treatments (783 g/d), whereas no differences were detected in the weaning and postweaning phases. Preweaning MR intake was greater in calves fed AN than MX from wk 2 to 6 and was also higher in calves fed AN than VG in wk 5 and 6. Consistently, the number of rewarded visits during the ad libitum phase was greater in calves fed AN than MX, whereas VG showed no differences. This led to a higher preweaning total metabolizable energy intake in calves fed AN than in calves fed VG and MX. Serum cholesterol was higher, and serum albumin was lower in calves fed VG than other treatments. The proportion of high-density lipoprotein cholesterol in total plasma cholesterol was lower and that of low-density lipoprotein (LDL) cholesterol was higher in calves fed VG compared with other treatments. Overall, the fatty acid profile of plasma largely mirrored the MR fat composition during the preweaning period. Feeding AN enhanced MR intake and improved preweaning growth compared with other treatments. Feeding VG resulted in a marked increase in plasma cholesterol, particularly in the form of LDL cholesterol, which could be linked to an excessive intake of polyunsaturated fatty acids. These findings underscore the importance of formulating the fat content of MR to be similar to bovine milk fat.
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Affiliation(s)
- J N Wilms
- Trouw Nutrition Research and Development, 3800 AG, Amersfoort, the Netherlands; Department of Animal Bioscience, Animal Science and Nutrition, University of Guelph, Guelph, ON, Canada N1G 1W2.
| | - V van der Nat
- Trouw Nutrition Research and Development, 3800 AG, Amersfoort, the Netherlands; Adaptation Physiology Group, Wageningen University, 6700 AH, Wageningen, the Netherlands
| | - M H Ghaffari
- Institute of Animal Science, University of Bonn, 53111 Bonn, Germany
| | - M A Steele
- Department of Animal Bioscience, Animal Science and Nutrition, University of Guelph, Guelph, ON, Canada N1G 1W2
| | - H Sauerwein
- Institute of Animal Science, University of Bonn, 53111 Bonn, Germany
| | - J Martín-Tereso
- Trouw Nutrition Research and Development, 3800 AG, Amersfoort, the Netherlands
| | - L N Leal
- Trouw Nutrition Research and Development, 3800 AG, Amersfoort, the Netherlands
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Strandvik B, Qureshi AR, Painer J, Backman-Johansson C, Engvall M, Fröbert O, Kindberg J, Stenvinkel P, Giroud S. Elevated plasma phospholipid n-3 docosapentaenoic acid concentrations during hibernation. PLoS One 2023; 18:e0285782. [PMID: 37294822 PMCID: PMC10256182 DOI: 10.1371/journal.pone.0285782] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/07/2022] [Accepted: 04/28/2023] [Indexed: 06/11/2023] Open
Abstract
Factors for initiating hibernation are unknown, but the condition shares some metabolic similarities with consciousness/sleep, which has been associated with n-3 fatty acids in humans. We investigated plasma phospholipid fatty acid profiles during hibernation and summer in free-ranging brown bears (Ursus arctos) and in captive garden dormice (Eliomys quercinus) contrasting in their hibernation patterns. The dormice received three different dietary fatty acid concentrations of linoleic acid (LA) (19%, 36% and 53%), with correspondingly decreased alpha-linolenic acid (ALA) (32%, 17% and 1.4%). Saturated and monounsaturated fatty acids showed small differences between summer and hibernation in both species. The dormice diet influenced n-6 fatty acids and eicosapentaenoic acid (EPA) concentrations in plasma phospholipids. Consistent differences between summer and hibernation in bears and dormice were decreased ALA and EPA and marked increase of n-3 docosapentaenoic acid and a minor increase of docosahexaenoic acid in parallel with several hundred percent increase of the activity index of elongase ELOVL2 transforming C20-22 fatty acids. The highest LA supply was unexpectantly associated with the highest transformation of the n-3 fatty acids. Similar fatty acid patterns in two contrasting hibernating species indicates a link to the hibernation phenotype and requires further studies in relation to consciousness and metabolism.
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Affiliation(s)
- Birgitta Strandvik
- Department of Biosciences and Nutrition, Karolinska Institutet NEO, Stockholm, Sweden
| | | | - Johanna Painer
- Research Institute of Wildlife Ecology, Department of Interdisciplinary Life Sciences, University of Veterinary Medicine, Vienna, Austria
| | | | - Martin Engvall
- Department of Molecular Medicine and Surgery, Karolinska Institutet, Stockholm, Sweden
| | - Ole Fröbert
- Department of Cardiology, Faculty of Health, Örebro University, Örebro, Sweden
- Department of Clinical Medicine, Aarhus University Health, Aarhus, Denmark
- Department of Clinical Pharmacology, Aarhus University Hospital, Aarhus, Denmark
- StenoDiabetes Center Aarhus, Aarhus University Hospital, Aarhus, Denmark
| | - Jonas Kindberg
- Department of Wildlife, Fish and Environmental Studies, University of Agricultural Sciences, Umeå, Sweden
- Norwegian Institute for Nature Research, Trondheim, Norway
| | - Peter Stenvinkel
- Division of Renal Medicine, CLINTEC, Karolinska Institutet, Stockholm, Sweden
| | - Sylvain Giroud
- Research Institute of Wildlife Ecology, Department of Interdisciplinary Life Sciences, University of Veterinary Medicine, Vienna, Austria
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Sousa TMD, Ferreira LA, Osanan GC, Santos LCD. Does antenatal supplementation with omega-3 affect child development and behavior during the first six months of life? A randomized double-blind placebo-controlled trial. Early Hum Dev 2023; 176:105713. [PMID: 36682094 DOI: 10.1016/j.earlhumdev.2023.105713] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/28/2022] [Revised: 12/19/2022] [Accepted: 01/05/2023] [Indexed: 01/13/2023]
Abstract
BACKGROUND Omega-3 fatty acids, especially docosahexaenoic acid (DHA), are found in different cell membranes, but more concentrated in the brain, playing an important role in child's behavior and development. AIMS To evaluate the effect of antenatal omega-3 supplementation on child development and behavior during the first six months of life. STUDY DESIGN Randomized double-blind placebo-controlled trial. SUBJECTS Low-risk pregnant women with gestational age between 22 and 24 weeks were randomized in placebo (olive oil; n = 30) or omega-3 (fish oil; 1440 mg/day of DHA; n = 30) groups and supplemented until childbirth. OUTCOME MEASURES Child development was assessed using the Survey of Well-being of Young Children in the first, fourth and sixth month of life. RESULTS The comparison between groups showed no differences in the Developmental Milestones score at any time, but when compared to the first month, the omega-3 group showed an increase at the fourth and sixth month. Such increase was not observed in the placebo group. No differences were found between groups for Irritability and Inflexibility scores, however, higher scores for Difficulty with Routine were observed in the placebo group when compared to omega-3 at first, fourth and sixth month. CONCLUSION There were no differences between groups for child development, but the omega-3 group showed an increase in this score over time. The placebo group had greater difficulty with routine than the omega-3 group, indicating a beneficial effect of antenatal supplementation on child behavior. TRIAL REGISTRATION ReBec U1111-1215-7952 (June 16th 2018).
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Affiliation(s)
- Taciana Maia de Sousa
- Universidade Federal de Minas Gerais, Nutrition Department, Belo Horizonte, Minas Gerais, Brazil.
| | - Leydiane Andrade Ferreira
- Universidade Federal de Minas Gerais, Jenny de Andrade Faria Institute, Belo Horizonte, Minas Gerais, Brazil
| | - Gabriel Costa Osanan
- Universidade Federal de Minas Gerais, Gynecology and Obstetrics Department, Belo Horizonte, Minas Gerais, Brazil
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Fatty Acids: A Safe Tool for Improving Neurodevelopmental Alterations in Down Syndrome? Nutrients 2022; 14:nu14142880. [PMID: 35889838 PMCID: PMC9323400 DOI: 10.3390/nu14142880] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/01/2022] [Revised: 07/11/2022] [Accepted: 07/12/2022] [Indexed: 02/06/2023] Open
Abstract
The triplication of chromosome 21 causes Down syndrome (DS), a genetic disorder that is characterized by intellectual disability (ID). The causes of ID start in utero, leading to impairments in neurogenesis, and continue into infancy, leading to impairments in dendritogenesis, spinogenesis, and connectivity. These defects are associated with alterations in mitochondrial and metabolic functions and precocious aging, leading to the early development of Alzheimer’s disease. Intense efforts are currently underway, taking advantage of DS mouse models to discover pharmacotherapies for the neurodevelopmental and cognitive deficits of DS. Many treatments that proved effective in mouse models may raise safety concerns over human use, especially at early life stages. Accumulating evidence shows that fatty acids, which are nutrients present in normal diets, exert numerous positive effects on the brain. Here, we review (i) the knowledge obtained from animal models regarding the effects of fatty acids on the brain, by focusing on alterations that are particularly prominent in DS, and (ii) the progress recently made in a DS mouse model, suggesting that fatty acids may indeed represent a useful treatment for DS. This scenario should prompt the scientific community to further explore the potential benefit of fatty acids for people with DS.
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Zamora AN, Peterson KE, Téllez-Rojo MM, Cantoral A, Song PXK, Mercado-García A, Solano-González M, Fossee E, Jansen EC. Third-Trimester Maternal Dietary Patterns Are Associated with Sleep Health among Adolescent Offspring in a Mexico City Cohort. J Nutr 2022; 152:1487-1495. [PMID: 35218195 PMCID: PMC9178955 DOI: 10.1093/jn/nxac045] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/28/2021] [Revised: 02/08/2022] [Accepted: 02/22/2022] [Indexed: 11/14/2022] Open
Abstract
BACKGROUND Maternal diet during gestation has been linked to infant sleep; whether associations persist through adolescence is unknown. OBJECTIVES We explored associations between trimester-specific maternal diet patterns and measures of sleep health among adolescent offspring in a Mexico City birth cohort. METHODS Data from 310 mother-adolescent dyads were analyzed. Maternal diet patterns were identified by principal component analysis derived from FFQs collected during each trimester of pregnancy. Sleep duration, midpoint, and fragmentation were obtained from 7-d actigraphy data when adolescents were between 12 and 20 y old. Unstratified and sex-stratified association analyses were conducted using linear regression models, adjusted for potential confounders. RESULTS Mean ± SD age of offspring was 15.1 ± 1.9 y, and 52.3% of the sample was female. Three diet patterns were identified during each trimester of pregnancy: the Prudent Diet (PD), high in lean proteins and vegetables; the Transitioning Mexican Diet (TMD), high in westernized foods; and the High Meat & Fat Diet (HMFD), high in meats and fat products. Mean ± SD sleep duration was 8.5 ± 1.5 h/night. Most associations were found in the third trimester. Specifically, PD maternal adherence was associated with shorter sleep duration among offspring (-0.57 h; 95% CI: -0.98, -0.16 h, in the highest tertile compared with the lowest) and earlier sleep midpoint among females (-0.77 h; 95% CI: -1.3, -0.26 h). Adherence to the HMFD and TMD was nonlinearly associated with less fragmented sleep, with the latter only evident among females. CONCLUSIONS Findings indicate that maternal dietary patterns, especially during the third trimester of pregnancy, may have long-term impacts on offspring sleep.
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Affiliation(s)
- Astrid N Zamora
- Department of Nutritional Sciences, University of Michigan School of Public Health, Ann Arbor, MI, USA
| | - Karen E Peterson
- Department of Nutritional Sciences, University of Michigan School of Public Health, Ann Arbor, MI, USA
| | - Martha M Téllez-Rojo
- Center for Research on Nutrition and Health, National Institute of Public Health (INSP), Cuernavaca, Mexico
| | | | - Peter X K Song
- Department of Biostatistics, University of Michigan School of Public Health, Ann Arbor, MI, USA
| | - Adriana Mercado-García
- Center for Research on Nutrition and Health, National Institute of Public Health (INSP), Cuernavaca, Mexico
| | - Maritsa Solano-González
- Center for Research on Nutrition and Health, National Institute of Public Health (INSP), Cuernavaca, Mexico
| | - Erica Fossee
- Department of Nutritional Sciences, University of Michigan School of Public Health, Ann Arbor, MI, USA
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Wilms JN, Hare KS, Fischer-Tlustos AJ, Vahmani P, Dugan MER, Leal LN, Steele MA. Fatty acid profile characterization in colostrum, transition milk, and mature milk of primi- and multiparous cows during the first week of lactation. J Dairy Sci 2022; 105:4692-4710. [PMID: 35473965 DOI: 10.3168/jds.2022-20880a] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/10/2022] [Accepted: 03/10/2022] [Indexed: 01/03/2023]
Abstract
The specific fatty acid (FA) profile of colostrum may indicate a biological requirement for neonatal calves. The objective of this study was to characterize the FA profile and yields in colostrum, transition milk, and mature milk in primiparous (PP) and multiparous (MP) cows. Colostrum was milked from 10 PP and 10 MP Holstein cows fed the same pre- and postpartum rations. Milkings (M) 2 to 5 and 12 were respectively termed transition and mature milk. Overall, short-chain FA (C4:0 and C6:0) were 61 and 50% lower in colostrum than mature milk, respectively. A parity by milking interaction was also present, with higher C4:0 for PP cows at M2 and for MP cows at M12. Additionally, higher concentrations of C6:0 were present for PP cows at M2 through M4 and for MP cows at M12. Palmitic (C16:0) and myristic (C14:0) acids were 38% and 19% higher in colostrum than mature milk, respectively. However, total saturated FA remained relatively stable. Branched-chain FA were 13% lower in colostrum than mature milk and higher in PP than MP cows throughout the milking period. The proportion of trans-monounsaturated FA (MUFA) was 72% higher in PP cows throughout the milking period, as well as 13% lower in colostrum than mature milk. In contrast, cis-MUFA and total MUFA were not affected by milking nor parity. Linoleic acid (LA) was 25% higher in colostrum than transition and mature milks, but α-linolenic acid (ALA) did not differ. Consequently, the ratio of LA to ALA was 29% higher in colostrum than mature milk and 33% higher in MP cows. Linoleic acid was also 15% higher in MP cows, whereas ALA was 15% higher in PP cows. Conjugated linoleic acid (CLA, cis-9,trans-11) was 2.7-fold higher in PP cows, and no differences between colostrum and mature milk were detected. Overall, polyunsaturated FA (PUFA) from the n-6 and n-3 series were over 40% higher in colostrum compared with transition and mature milk. Milking by parity interactions were present for arachidonic acid (ARA), eicosapentaenoic acid (EPA), docosapentaenoic acid (DPA), docosahexaenoic acid (DHA), and total n-3 PUFA, translating to higher proportions in PP cows in M1 to M3, whereas proportions remained relatively stable throughout the milking period in MP cows. Despite increasing milk yields throughout the subsequent milkings, higher yields of EPA, ARA, DPA, and DHA were present in colostrum than in mature milk. Greater proportions and yields of n-3 and n-6 FA in colostrum may translate to specific requirements for newborn calves. Differences were also observed between PP and MP cows and may reflect different nutrient requirements and partitioning.
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Affiliation(s)
- J N Wilms
- Department of Animal Biosciences, University of Guelph, Guelph, ON N1G 2W1, Canada; Trouw Nutrition R&D, 3800 AG Amersfoort, the Netherlands
| | - K S Hare
- Department of Animal Biosciences, University of Guelph, Guelph, ON N1G 2W1, Canada
| | - A J Fischer-Tlustos
- Department of Animal Biosciences, University of Guelph, Guelph, ON N1G 2W1, Canada
| | - P Vahmani
- Department of Animal Science, University of California, Davis 95616
| | - M E R Dugan
- Agriculture and Agri-Food Canada, Lacombe Research and Development Centre, Lacombe, AB T4L 1V7, Canada
| | - L N Leal
- Trouw Nutrition R&D, 3800 AG Amersfoort, the Netherlands
| | - M A Steele
- Department of Animal Biosciences, University of Guelph, Guelph, ON N1G 2W1, Canada.
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Wilms JN, Hare KS, Fischer-Tlustos AJ, Vahmani P, Dugan MER, Leal LN, Steele MA. Fatty acid profile characterization in colostrum, transition milk, and mature milk of primi- and multiparous cows during the first week of lactation. J Dairy Sci 2022; 105:2612-2630. [PMID: 35033345 DOI: 10.3168/jds.2021-20880] [Citation(s) in RCA: 14] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/15/2021] [Accepted: 11/12/2021] [Indexed: 12/28/2022]
Abstract
The specific fatty acid (FA) profile of colostrum may indicate a biological requirement for neonatal calves. The objective of this study was to characterize the FA profile and yields in colostrum, transition milk, and mature milk in primiparous (PP) and multiparous (MP) cows. Colostrum was milked from 10 PP and 10 MP Holstein cows fed the same pre- and postpartum rations. Milkings (M) 2 to 5 and 12 were respectively termed transition and mature milk. Overall, short-chain FA (C4:0 and C6:0) were 61 and 50% lower in colostrum than mature milk, respectively. A parity by milking interaction was also present, with higher C4:0 for PP cows at M2 and for MP cows at M12. Additionally, higher concentrations of C6:0 were present for PP cows at M2 through M4 and for MP cows at M12. Palmitic (C16:0) and myristic (C14:0) acids were 16% and 27% higher in colostrum than mature milk, respectively. However, total saturated FA remained relatively stable. Branched-chain FA were 13% lower in colostrum than mature milk and higher in PP than MP cows throughout the milking period. The proportion of trans-monounsaturated FA (MUFA) was 42% higher in PP cows throughout the milking period, as well as 15% lower in colostrum than mature milk. In contrast, cis-MUFA and total MUFA were not affected by milking nor parity. Linoleic acid (LA) was 13% higher in colostrum than transition and mature milks, but α-linolenic acid (ALA) did not differ. Consequently, the ratio of LA to ALA was 23% higher in colostrum than mature milk and 25% higher in MP cows. Linoleic acid was also 13% higher in MP cows, whereas ALA was 15% higher in PP cows. Conjugated linoleic acid (CLA, cis-9,trans-11) was 63% higher in PP cows, and no differences between colostrum and mature milk were detected. Overall, polyunsaturated FA (PUFA) from the n-6 and n-3 series were over 25% higher in colostrum compared with transition and mature milk. Milking by parity interactions were present for arachidonic acid (ARA), eicosapentaenoic acid (EPA), docosapentaenoic acid (DPA), docosahexaenoic acid (DHA), and total n-3 PUFA, translating to higher proportions in PP cows in M1 to M3, whereas proportions remained relatively stable throughout the milking period in MP cows. Despite increasing milk yields throughout the subsequent milkings, higher yields of EPA, ARA, DPA, and DHA were present in colostrum than in mature milk. Greater proportions and yields of n-3 and n-6 FA in colostrum may translate to specific requirements for newborn calves. Differences were also observed between PP and MP cows and may reflect different nutrient requirements and partitioning.
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Affiliation(s)
- J N Wilms
- Department of Animal Biosciences, University of Guelph, Guelph, ON N1G 2W1, Canada; Trouw Nutrition R&D, 3800 AG Amersfoort, the Netherlands
| | - K S Hare
- Department of Animal Biosciences, University of Guelph, Guelph, ON N1G 2W1, Canada
| | - A J Fischer-Tlustos
- Department of Animal Biosciences, University of Guelph, Guelph, ON N1G 2W1, Canada
| | - P Vahmani
- Department of Animal Science, University of California, Davis 95616
| | - M E R Dugan
- Agriculture and Agri-Food Canada, Lacombe Research and Development Centre, Lacombe, AB T4L 1V7, Canada
| | - L N Leal
- Trouw Nutrition R&D, 3800 AG Amersfoort, the Netherlands
| | - M A Steele
- Department of Animal Biosciences, University of Guelph, Guelph, ON N1G 2W1, Canada.
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Sgro M, Kodila ZN, Brady RD, Reichelt AC, Mychaisuk R, Yamakawa GR. Synchronizing Our Clocks as We Age: The Influence of the Brain-Gut-Immune Axis on the Sleep-Wake Cycle Across the Lifespan. Sleep 2021; 45:6425072. [PMID: 34757429 DOI: 10.1093/sleep/zsab268] [Citation(s) in RCA: 12] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/24/2021] [Revised: 10/11/2021] [Indexed: 11/12/2022] Open
Abstract
The microbes that colonize the small and large intestines, known as the gut microbiome, play an integral role in optimal brain development and function. The gut microbiome is a vital component of the bi-directional communication pathway between the brain, immune system, and gut, also known as the brain-gut-immune axis. To date there has been minimal investigation into the implications of improper development of the gut microbiome and the brain-gut-immune axis on the sleep-wake cycle, particularly during sensitive periods of physical and neurological development, such as childhood, adolescence, and senescence. Therefore, this review will explore the current literature surrounding the overlapping developmental periods of the gut microbiome, brain, and immune system from birth through to senescence, while highlighting how the brain-gut-immune axis affects maturation and organisation of the sleep-wake cycle. We also examine how dysfunction to either the microbiome or the sleep-wake cycle negatively affects the bidirectional relationship between the brain and gut, and subsequently the overall health and functionality of this complex system. Additionally, this review integrates therapeutic studies to demonstrate when dietary manipulations, such as supplementation with probiotics and prebiotics, can modulate the gut microbiome to enhance health of the brain-gut-immune axis and optimize our sleep-wake cycle.
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Affiliation(s)
- Marissa Sgro
- Department of Neuroscience, Central Clinical School, Monash University, Melbourne, VIC, Australia
| | - Zoe N Kodila
- Department of Neuroscience, Central Clinical School, Monash University, Melbourne, VIC, Australia
| | - Rhys D Brady
- Department of Neuroscience, Central Clinical School, Monash University, Melbourne, VIC, Australia
| | - Amy C Reichelt
- Department of Medical Sciences, Adelaide Medical School, The University of Adelaide, Adelaide, Australia
| | - Richelle Mychaisuk
- Department of Neuroscience, Central Clinical School, Monash University, Melbourne, VIC, Australia
| | - Glenn R Yamakawa
- Department of Neuroscience, Central Clinical School, Monash University, Melbourne, VIC, Australia
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10
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Zhang Y, Chen C, Luo J, Dibaba DT, Fly AD, Haas DM, Shikany JM, Kahe K. Long-chain omega-3 fatty acids, selenium, and mercury in relation to sleep duration and sleep quality: findings from the CARDIA study. Eur J Nutr 2021; 61:753-762. [PMID: 34537873 DOI: 10.1007/s00394-021-02682-1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/11/2021] [Accepted: 09/11/2021] [Indexed: 11/25/2022]
Abstract
PURPOSE To examine the associations of long-chain omega-3 polyunsaturated fatty acids (LCω3PUFA) intake with sleep quality and duration in a cohort of American young adults, and to explore whether the associations of interest are modified by selenium (Se) and/or mercury (Hg) status. METHODS The study sample consisted of 3964 men and women from the longitudinal Coronary Artery Risk Development in Young Adults (CARDIA) study, aged 25.0 ± 3.6 at baseline. Intake of LCω3PUFA was assessed using an interviewer-administered dietary history questionnaire at baseline (1985-1986), Y7 (1992-1993), and Y20 (2005-2006). Toenail Se and Hg concentrations were quantified at Y2 (1987-1988). The outcomes were self-reported sleep quality and sleep duration measured by one question for each at Y15 (2000-2001) and Y20. Generalized estimating equation was used to examine the association between cumulative average intake of LCω3PUFA and sleep measures. Restricted cubic spline was performed to explore the potential non-linear associations of interest. Se and Hg were dichotomized by their median values to examine the potential effect modification of Se and/or Hg. RESULTS We did not observe any significant associations (linear or non-linear) of LCω3PUFA intake with either sleep quality or duration. Also, no significant association was observed in any subgroup classified by toenail Se and/or Hg concentrations. Similarly, sensitivity analysis indicated that the null associations between LCω3PUFA intake and sleep quality or duration persisted across subgroups classified by race, gender, obesity, or having small children. CONCLUSION Findings from this longitudinal analysis did not support the hypothesis that LCω3PUFA intake is associated with sleep quality or sleep duration.
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Affiliation(s)
- Yijia Zhang
- Department of Obstetrics and Gynecology, Columbia University Irving Medical Center, 622 W 168th Street, Room 16-20, New York, NY, 10032, USA
- Department of Epidemiology, Columbia University Irving Medical Center, New York, NY, USA
| | - Cheng Chen
- Department of Obstetrics and Gynecology, Columbia University Irving Medical Center, 622 W 168th Street, Room 16-20, New York, NY, 10032, USA
- Department of Epidemiology, Columbia University Irving Medical Center, New York, NY, USA
| | - Juhua Luo
- Department of Epidemiology and Biostatistics, School of Public Health-Bloomington, Indiana University, Bloomington, IN, USA
| | - Daniel T Dibaba
- Tennessee Clinical and Translational Science Institute, University of Tennessee Health Science Center, Memphis, TN, USA
- Department of Preventive Medicine, University of Tennessee Health Science Center, Memphis, TN, USA
| | - Alyce D Fly
- Department of Nutrition and Health Science, Ball State University, Muncie, IL, USA
| | - David M Haas
- Department of Obstetrics and Gynecology, Indiana University School of Medicine, Indianapolis, IN, USA
| | - James M Shikany
- Division of Preventive Medicine, Department of Medicine, University of Alabama at Birmingham, Birmingham, AL, USA
| | - Ka Kahe
- Department of Obstetrics and Gynecology, Columbia University Irving Medical Center, 622 W 168th Street, Room 16-20, New York, NY, 10032, USA.
- Department of Epidemiology, Columbia University Irving Medical Center, New York, NY, USA.
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11
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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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12
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Dai Y, Liu J. Omega-3 long-chain polyunsaturated fatty acid and sleep: a systematic review and meta-analysis of randomized controlled trials and longitudinal studies. Nutr Rev 2021; 79:847-868. [PMID: 33382879 PMCID: PMC8262633 DOI: 10.1093/nutrit/nuaa103] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
Abstract
CONTEXT Omega-3, a long-chain polyunsaturated fatty acid (LC-PUFA), may help promote healthy sleep outcomes. However, evidence from randomized controlled trials are inconclusive. OBJECTIVE The objective of this systematic review and meta-analysis was to explore the impact of omega-3 LC-PUFA supplementation and related dietary intervention in clinical trials as well as omega-3 LC-PUFA exposure in longitudinal studies on human's sleep-related outcome. DATA SOURCES The PubMed, EMBASE, Cochrane Library, CINAHL, and AMED databases were searched from inception to November 2019. Randomized controlled trials, clinical trials that included a control group, and longitudinal studies that reported the intake of omega-3 LC-PUFA and sleep-related outcomes were included. STUDY SELECTION A total of 20 studies with 12 clinical trials and 8 longitudinal studies were identified for inclusion. DATA EXTRACTION Participant characteristics, study location, intervention information, and sleep-related outcome measurements were reported. Included studies were appraised with Cochrane risk-of-bias tools and the Newcastle-Ottawa Scale. Weighted mean differences (WMDs) and 95%CIs were pooled with fixed or random effect models. RESULTS Omega-3 LC-PUFA may improve infants' sleep organization and maturity. It reduced the percentage of infants' active sleep (WMD = -8.40%; 95%CI, -14.50 to -2.29), sleep-wake transition (WMD = -1.15%; 95%CI, -2.09 to -0.20), and enhanced the percentage of wakefulness (WMD = 9.06%; 95%CI, 1.53-16.59) but had no effect on quiet sleep. Omega-3 reduced children's total sleep disturbance score for those with clinical-level sleep problems (WMD = -1.81; 95%CI, -3.38 to -0.23) but had no effect on healthy children's total sleep duration, sleep latency, or sleep efficiency. No effectiveness was found in adults' total sleep duration, sleep latency, sleep efficiency, sleep quality, or insomnia severity. CONCLUSION Omega-3 LC-PUFA may improve certain aspects of sleep health throughout childhood. Additional robust studies are warranted to confirm the relationship between omega-3 LC-PUFA and sleep.
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Affiliation(s)
- Ying Dai
- School of Nursing, University of Pennsylvania, Philadelphia, Pennsylvania, USA
| | - Jianghong Liu
- School of Nursing, University of Pennsylvania, Philadelphia, Pennsylvania, USA
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13
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Associations of Dietary ω-3, ω-6 Fatty Acids Consumption with Sleep Disorders and Sleep Duration among Adults. Nutrients 2021; 13:nu13051475. [PMID: 33925486 PMCID: PMC8145923 DOI: 10.3390/nu13051475] [Citation(s) in RCA: 13] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/04/2021] [Revised: 04/12/2021] [Accepted: 04/22/2021] [Indexed: 01/02/2023] Open
Abstract
The relationship between ω-3 and ω-6 fatty acids consumption and sleep disorders or duration are controversial. Therefore, we used the data of the National Health and Nutrition Examination Survey 2007-2016 in this cross-sectional study to explore their relationships. ω-3 and ω-6 fatty acids consumption was assessed using two 24 h dietary recall interviews. Sleep disorders and sleep duration were based on self-reported data. Logistic regression models and restricted cubic spline analyses were used. Compared with tertile one, the odds ratios (ORs) and 95% confidence intervals (CIs) of sleep disorders for the second tertile of ω-6 fatty acid intake and the highest tertile of ω-6:ω-3 ratio were 1.30 (1.04-1.62) and 1.36 (1.08-1.70), respectively. Inverse U-shaped and linear dose-response relationships were observed between dietary ω-6 fatty acid intake and ω-6:ω-3 ratio and sleep disorders, respectively. In addition, ω-3 fatty acid consumption was adversely related to sleep disorders in men and the OR (95% CI) was 0.68 (0.49-0.95). Compared with normal sleep duration, ω-3 fatty acid consumption was negatively related to very short, short, and long sleep duration risk. The relative risk ratios (RRRs) were 0.53 (0.35-0.81), 0.79 (0.67-0.93), and 0.81 (068-0.98), respectively. The RRR of very short sleep for ω-6 fatty acid consumption was 0.57 (0.45-0.73). Our study indicates that ω-6 fatty acid consumption and the ω-6:ω-3 ratio are positively associated with the risk of sleep disorders, while the negative association between ω-3 fatty acids and sleep disorders may exist only in men. Furthermore, ω-3 and ω-6 fatty acid consumption are negatively related to the risk of non-normal sleep duration.
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14
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Patan MJ, Kennedy DO, Husberg C, Hustvedt SO, Calder PC, Middleton B, Khan J, Forster J, Jackson PA. Differential Effects of DHA- and EPA-Rich Oils on Sleep in Healthy Young Adults: A Randomized Controlled Trial. Nutrients 2021; 13:nu13010248. [PMID: 33467135 PMCID: PMC7830450 DOI: 10.3390/nu13010248] [Citation(s) in RCA: 14] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/16/2020] [Revised: 01/11/2021] [Accepted: 01/13/2021] [Indexed: 12/19/2022] Open
Abstract
Emerging evidence suggests that adequate intake of omega-3 polyunsaturated fatty acids (n-3 PUFAs), which include docosahexaenoic acid (DHA) and eicosapentaenoic acid (EPA), might be associated with better sleep quality. N-3 PUFAs, which must be acquired from dietary sources, are typically consumed at suboptimal levels in Western diets. Therefore, the current placebo-controlled, double-blind, randomized trial, investigated the effects of an oil rich in either DHA or EPA on sleep quality in healthy adults who habitually consumed low amounts of oily fish. Eighty-four participants aged 25-49 years completed the 26-week intervention trial. Compared to placebo, improvements in actigraphy sleep efficiency (p = 0.030) and latency (p = 0.026) were observed following the DHA-rich oil. However, these participants also reported feeling less energetic compared to the placebo (p = 0.041), and less rested (p = 0.017), and there was a trend towards feeling less ready to perform (p = 0.075) than those given EPA-rich oil. A trend towards improved sleep efficiency was identified in the EPA-rich group compared to placebo (p = 0.087), along with a significant decrease in both total time in bed (p = 0.032) and total sleep time (p = 0.019) compared to the DHA-rich oil. No significant effects of either treatment were identified for urinary excretion of the major melatonin metabolite 6-sulfatoxymelatonin. This study was the first to demonstrate some positive effects of dietary supplementation with n-3 PUFAs in healthy adult normal sleepers, and provides novel evidence showing the differential effects of n-3 PUFA supplements rich in either DHA or EPA. Further investigation into the mechanisms underpinning these observations including the effects of n-3 PUFAs on sleep architecture are required.
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Affiliation(s)
- Michael J. Patan
- Brain, Performance and Nutrition Research Centre, Health and Life Sciences, Northumbria University, Newcastle upon Tyne NE1 8ST, UK; (M.J.P.); (D.O.K.); (J.K.); (J.F.)
| | - David O. Kennedy
- Brain, Performance and Nutrition Research Centre, Health and Life Sciences, Northumbria University, Newcastle upon Tyne NE1 8ST, UK; (M.J.P.); (D.O.K.); (J.K.); (J.F.)
| | | | | | - Philip C. Calder
- Human Development and Health, Faculty of Medicine, University of Southampton, Southampton SO16 6YD, UK;
- National Institute of Health Research Southampton Biomedical Research Centre, University Hospital Southampton National Health Service Foundation Trust and University of Southampton, Southampton SO16 6YD, UK
| | - Benita Middleton
- Faculty of Health & Medical Sciences, University of Surrey, Guildford GU2 7XH, UK;
| | - Julie Khan
- Brain, Performance and Nutrition Research Centre, Health and Life Sciences, Northumbria University, Newcastle upon Tyne NE1 8ST, UK; (M.J.P.); (D.O.K.); (J.K.); (J.F.)
| | - Joanne Forster
- Brain, Performance and Nutrition Research Centre, Health and Life Sciences, Northumbria University, Newcastle upon Tyne NE1 8ST, UK; (M.J.P.); (D.O.K.); (J.K.); (J.F.)
| | - Philippa A. Jackson
- Brain, Performance and Nutrition Research Centre, Health and Life Sciences, Northumbria University, Newcastle upon Tyne NE1 8ST, UK; (M.J.P.); (D.O.K.); (J.K.); (J.F.)
- Correspondence: ; Tel.: +44-(0)-191-227-4468
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15
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Hahn KE, Dahms I, Butt CM, Salem N, Grimshaw V, Bailey E, Fleming SA, Smith BN, Dilger RN. Impact of Arachidonic and Docosahexaenoic Acid Supplementation on Neural and Immune Development in the Young Pig. Front Nutr 2020; 7:592364. [PMID: 33195377 PMCID: PMC7658628 DOI: 10.3389/fnut.2020.592364] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/06/2020] [Accepted: 09/16/2020] [Indexed: 01/01/2023] Open
Abstract
Background: Human milk contains both arachidonic acid (ARA) and docosahexaenoic acid (DHA). Supplementation of infant formula with ARA and DHA results in fatty acid (FA) profiles, neurodevelopmental outcomes, and immune responses in formula-fed infants that are more like those observed in breastfed infants. Consequently, ARA and DHA have been historically added together to infant formula. This study investigated the impact of ARA or DHA supplementation alone or in combination on tissue FA incorporation, immune responses, and neurodevelopment in the young pig. Methods: Male pigs (N = 48 total) received one of four dietary treatments from postnatal day (PND) 2–30. Treatments targeted the following ARA/DHA levels (% of total FA): CON (0.00/0.00), ARA (0.80/0.00), DHA (0.00/0.80), and ARA+DHA (0.80/0.80). Plasma, red blood cells (RBC), and prefrontal cortex (PFC) were collected for FA analysis. Blood was collected for T cell immunophenotyping and to quantify a panel of immune outcomes. Myelin thickness in the corpus callosum was measured by transmission electron microscopy and pig movement was measured by actigraphy. Results: There were no differences in formula intake or growth between dietary groups. DHA supplementation increased brain DHA, but decreased ARA, compared with all other groups. ARA supplementation increased brain ARA compared with all other groups but did not affect brain DHA. Combined supplementation increased brain DHA levels but did not affect brain ARA levels compared with the control. Pigs fed ARA or ARA+DHA exhibited more activity than those fed CON or DHA. Diet-dependent differences in activity suggested pigs fed ARA had the lowest percent time asleep, while those fed DHA had the highest. No differences were observed for immune or myelination outcomes. Conclusion: Supplementation with ARA and DHA did not differentially affect immune responses, but ARA levels in RBC and PFC were reduced when DHA was provided without ARA. Supplementation of either ARA or DHA alone induced differences in time spent asleep, and ARA inclusion increased general activity. Therefore, the current data support the combined supplementation with both ARA and DHA in infant formula and raise questions regarding the safety and nutritional suitability of ARA or DHA supplementation individually.
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Affiliation(s)
- Kaylee E Hahn
- Piglet Nutrition & Cognition Laboratory, Department of Animal Sciences, University of Illinois, Urbana, IL, United States.,Division of Nutrition Sciences, University of Illinois, Urbana, IL, United States
| | - Irina Dahms
- DSM Nutritional Products, Kaiseraugst, Switzerland
| | | | - Norman Salem
- DSM Nutritional Products, Columbia, MD, United States
| | | | - Eileen Bailey
- DSM Nutritional Products, Columbia, MD, United States
| | - Stephen A Fleming
- Piglet Nutrition & Cognition Laboratory, Department of Animal Sciences, University of Illinois, Urbana, IL, United States.,Neuroscience Program, University of Illinois, Urbana, IL, United States
| | - Brooke N Smith
- Piglet Nutrition & Cognition Laboratory, Department of Animal Sciences, University of Illinois, Urbana, IL, United States
| | - Ryan N Dilger
- Piglet Nutrition & Cognition Laboratory, Department of Animal Sciences, University of Illinois, Urbana, IL, United States.,Division of Nutrition Sciences, University of Illinois, Urbana, IL, United States.,Neuroscience Program, University of Illinois, Urbana, IL, United States
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16
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Jansen EC, Conroy DA, Burgess HJ, O'Brien LM, Cantoral A, Téllez-Rojo MM, Peterson KE, Baylin A. Plasma DHA Is Related to Sleep Timing and Duration in a Cohort of Mexican Adolescents. J Nutr 2020; 150:592-598. [PMID: 31758194 PMCID: PMC7056614 DOI: 10.1093/jn/nxz286] [Citation(s) in RCA: 14] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/17/2019] [Revised: 09/10/2019] [Accepted: 10/31/2019] [Indexed: 01/06/2023] Open
Abstract
BACKGROUND Delayed sleep timing and short sleep duration represent a significant public health burden in adolescents. Whether intake of nutrients affects the pineal gland, where sleep/wake cycles are regulated, remains unclear. OBJECTIVES In a cross-sectional analysis, we investigated whether plasma concentrations of DHA and arachidonic acid (AA), long-chain fatty acids that can be obtained through diet, were related to sleep timing and duration in adolescents. METHODS The study population included 405 Mexico City adolescents (mean age ± SD = 14.2 ± 2.1 y; 48% males) who took part in a 2015-2016 follow-up visit as a part of an ongoing cohort study. Fatty acid concentrations were measured in plasma using GLC, as a percentage of total fatty acids. Sleep midpoint and duration were assessed with 7-d wrist actigraphy. We categorized DHA and AA plasma concentrations into quartiles (Q1-Q4; Q4 = highest fatty acids). We conducted cross-sectional linear regression analysis with sleep characteristics as separate outcomes and quartiles of DHA and AA as exposures, adjusting for sex, age, and BMI z-scores. RESULTS Mean ± SD plasma DHA (as percentage of total fatty acids) was 1.2 ± 0.4%, whereas mean ± SD plasma AA was 6.2 ± 1.5%. In adjusted analysis, higher plasma DHA was linearly associated with longer sleep duration on the weekends; to illustrate, those in Q4 compared with Q1 had 32 min longer duration (95% CI: 7, 57; P trend = 0.005). Higher DHA was also associated with earlier sleep timing during weekdays and weekends, although in a nonlinear fashion. The largest difference was a 0.75-h (45-min) later sleep midpoint in Q2 compared with Q4 (95% CI: 0.36, 1.14). CONCLUSIONS Plasma DHA was associated with earlier sleep timing and longer weekend sleep duration in Mexican adolescents. Whether DHA supplementation improves sleep in adolescent populations deserves consideration in randomized trials.
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Affiliation(s)
- Erica C Jansen
- Department of Nutritional Sciences, Ann Arbor, MI, USA
- Division of Sleep Medicine, University of Michigan School of Public Health, Ann Arbor, MI, USA
| | - Deirdre A Conroy
- Department of Psychiatry, University of Michigan School of Public Health, Ann Arbor, MI, USA
| | - Helen J Burgess
- Department of Psychiatry, University of Michigan School of Public Health, Ann Arbor, MI, USA
| | - Louise M O'Brien
- Department of Psychiatry, University of Michigan School of Public Health, Ann Arbor, MI, USA
- Department of Obstetrics and Gynecology, University of Michigan, Ann Arbor, MI, USA
| | | | - Martha María Téllez-Rojo
- Center for Research on Nutrition and Health, National Institute of Public Health, Cuernavaca, Mexico
| | | | - Ana Baylin
- Department of Nutritional Sciences, Ann Arbor, MI, USA
- Department of Epidemiology, University of Michigan School of Public Health, Ann Arbor, MI, USA
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17
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Decoeur F, Benmamar-Badel A, Leyrolle Q, Persillet M, Layé S, Nadjar A. Dietary N-3 PUFA deficiency affects sleep-wake activity in basal condition and in response to an inflammatory challenge in mice. Brain Behav Immun 2020; 85:162-169. [PMID: 31100369 DOI: 10.1016/j.bbi.2019.05.016] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/11/2019] [Revised: 04/12/2019] [Accepted: 05/11/2019] [Indexed: 12/22/2022] Open
Abstract
Essential polyunsaturated fatty acids (PUFA) from the n-3 and n-6 series constitute the building blocks of brain cell membranes where they regulate most aspects of cell physiology. They are either biosynthesized from their dietary precursors or can be directly sourced from the diet. An overall increase in the dietary n-6/n-3 PUFA ratio, as observed in the Western diet, leads to reduced n-3 PUFAs in tissues that include the brain. Some clinical studies have shown a positive correlation between dietary n-3 PUFA intake and sleep quantity, yet evidence is still sparse. We here used a preclinical model of dietary n-3 PUFA deficiency to assess the precise relationship between dietary PUFA intake and sleep/wake activity. Using electroencephalography (EEG)/electromyography (EMG) recordings on n-3 PUFA deficient or sufficient mice, we showed that dietary PUFA deficiency affects the architecture of sleep-wake activity and the oscillatory activity of cortical neurons during sleep. In a second part of the study, and since PUFAs are a potent modulator of inflammation, we assessed the effect of dietary n-3 PUFA deficiency on the sleep response to an inflammatory stimulus known to modulate sleep/wake activity. We injected mice with the endotoxin lipopolysaccharide (LPS) and quantified the sleep response across the following 12 h. Our results revealed that n-3 PUFA deficiency affects the sleep response in basal condition and after a peripheral immune challenge. More studies are now required aimed at deciphering the molecular mechanisms underlying the intimate relationship between n-3 PUFAs and sleep/wake activity.
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Affiliation(s)
- F Decoeur
- Univ. Bordeaux, INRA, Bordeaux INP, NutriNeuro, UMR 1286, F-33000 Bordeaux, France
| | - A Benmamar-Badel
- Univ. Bordeaux, INRA, Bordeaux INP, NutriNeuro, UMR 1286, F-33000 Bordeaux, France
| | - Q Leyrolle
- Univ. Bordeaux, INRA, Bordeaux INP, NutriNeuro, UMR 1286, F-33000 Bordeaux, France
| | - M Persillet
- Univ. Bordeaux, INRA, Bordeaux INP, NutriNeuro, UMR 1286, F-33000 Bordeaux, France
| | - S Layé
- Univ. Bordeaux, INRA, Bordeaux INP, NutriNeuro, UMR 1286, F-33000 Bordeaux, France
| | - A Nadjar
- Univ. Bordeaux, INRA, Bordeaux INP, NutriNeuro, UMR 1286, F-33000 Bordeaux, France.
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18
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Colombo J, Shaddy DJ, Gustafson K, Gajewski BJ, Thodosoff JM, Kerling E, Carlson SE. The Kansas University DHA Outcomes Study (KUDOS) clinical trial: long-term behavioral follow-up of the effects of prenatal DHA supplementation. Am J Clin Nutr 2019; 109:1380-1392. [PMID: 31004139 PMCID: PMC6499507 DOI: 10.1093/ajcn/nqz018] [Citation(s) in RCA: 30] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/31/2018] [Accepted: 01/23/2019] [Indexed: 11/13/2022] Open
Abstract
BACKGROUND Docosahexaenoic acid (DHA) is a long-chain polyunsaturated fatty acid that has been linked to improved vision and cognition in postnatal feeding studies and has been consistently associated with reduction of early preterm birth in prenatal supplementation trials. This is a report of the first long-term follow-up of infants from mothers receiving prenatal DHA supplementation in a US cohort. OBJECTIVE Our objective was to evaluate the efficacy of the prenatal supplementation on both global and granular longitudinal assessments of cognitive and behavioral development. METHODS In a randomized double-blind clinical trial, mothers received either 600 mg/d of DHA or a placebo beginning at 14.5 weeks of gestation and capsules were provided until delivery. Children from those pregnancies were followed by cognitive and behavioral assessments administered from 10 mo through 6 y of age. From 301 mothers in the initial study, ∼200 infants completed the longitudinal schedule. RESULTS Although this intervention had been shown to reduce high-risk pregnancies and improve visual attention in infants during the first year, only a few positive long-term effects of prenatal DHA supplementation emerged from analyses of this follow-up. Increases in maternal blood DHA during pregnancy were related to verbal and full scale intelligence quotient (IQ) scores at 5 and 6 y, but these effects disappeared after controlling for SES. Maternal blood DHA concentrations at delivery were unrelated to outcomes, although maternal DHA at enrollment was related to productive vocabulary at 18 mo. CONCLUSIONS Although prenatal DHA supplementation substantially reduced early preterm birth and improved visual attention in infancy in this sample, no consistent long-term benefits were observed into childhood. Increases in maternal blood DHA concentration in pregnancy were related to higher IQs but this effect was confounded with SES and disappeared when SES was statistically controlled. This trial was registered at http://www.clinicaltrials.gov as NCT00266825 and NCT02487771.
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Affiliation(s)
- John Colombo
- Department of Psychology and Schiefelbusch Institute for Life Span Studies, University of Kansas, Lawrence, KS
| | - D Jill Shaddy
- Department of Dietetics and Nutrition, University of Kansas Medical Center, Kansas City, KS
| | - Kathleen Gustafson
- Hoglund Brain Imaging Center, University of Kansas Medical Center, Kansas City, KS
| | - Byron J Gajewski
- Department of Biostatistics, University of Kansas Medical Center, Kansas City, KS
| | - Jocelynn M Thodosoff
- Department of Dietetics and Nutrition, University of Kansas Medical Center, Kansas City, KS
| | - Elizabeth Kerling
- Department of Dietetics and Nutrition, University of Kansas Medical Center, Kansas City, KS
| | - Susan E Carlson
- Department of Dietetics and Nutrition, University of Kansas Medical Center, Kansas City, KS
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Papandreou C, Camacho-Barcia L, García-Gavilán J, Hansen TT, Hjorth MF, Halford JCG, Salas-Salvadó J, Sjödin A, Bulló M. Circulating metabolites associated with objectively measured sleep duration and sleep variability in overweight/obese participants: a metabolomics approach within the SATIN study. Sleep 2019; 42:5307010. [PMID: 30722060 DOI: 10.1093/sleep/zsz030] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/20/2018] [Revised: 11/02/2018] [Indexed: 12/19/2022] Open
Affiliation(s)
- Christopher Papandreou
- Human Nutrition Unit, Faculty of Medicine and Health Sciences, Institut d’Investigació Sanitària Pere Virgili, Rovira i Virgili University, Reus, Spain
- CIBER Fisiopatología de la Obesidad y Nutrición (CIBEROBN), Instituto de Salud Carlos III, Madrid, Spain
| | - Lucia Camacho-Barcia
- Human Nutrition Unit, Faculty of Medicine and Health Sciences, Institut d’Investigació Sanitària Pere Virgili, Rovira i Virgili University, Reus, Spain
- CIBER Fisiopatología de la Obesidad y Nutrición (CIBEROBN), Instituto de Salud Carlos III, Madrid, Spain
| | - Jesús García-Gavilán
- Human Nutrition Unit, Faculty of Medicine and Health Sciences, Institut d’Investigació Sanitària Pere Virgili, Rovira i Virgili University, Reus, Spain
- CIBER Fisiopatología de la Obesidad y Nutrición (CIBEROBN), Instituto de Salud Carlos III, Madrid, Spain
| | - Thea Toft Hansen
- Department of Nutrition, Exercise and Sports, University of Copenhagen, Rolighedsvej 26, 1958 Frederiksberg C, Denmark
| | - Mads F Hjorth
- Department of Nutrition, Exercise and Sports, University of Copenhagen, Rolighedsvej 26, 1958 Frederiksberg C, Denmark
| | - Jason C G Halford
- Department of Psychological Sciences, Institute of Psychology Health and Society, University of Liverpool, Liverpool, UK
| | - Jordi Salas-Salvadó
- Human Nutrition Unit, Faculty of Medicine and Health Sciences, Institut d’Investigació Sanitària Pere Virgili, Rovira i Virgili University, Reus, Spain
- CIBER Fisiopatología de la Obesidad y Nutrición (CIBEROBN), Instituto de Salud Carlos III, Madrid, Spain
| | - Anders Sjödin
- Department of Nutrition, Exercise and Sports, University of Copenhagen, Rolighedsvej 26, 1958 Frederiksberg C, Denmark
| | - Mónica Bulló
- Human Nutrition Unit, Faculty of Medicine and Health Sciences, Institut d’Investigació Sanitària Pere Virgili, Rovira i Virgili University, Reus, Spain
- CIBER Fisiopatología de la Obesidad y Nutrición (CIBEROBN), Instituto de Salud Carlos III, Madrid, Spain
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Jackson KH, Harris WS. A Prenatal DHA Test to Help Identify Women at Increased Risk for Early Preterm Birth: A Proposal. Nutrients 2018; 10:E1933. [PMID: 30563193 PMCID: PMC6316227 DOI: 10.3390/nu10121933] [Citation(s) in RCA: 15] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/19/2018] [Revised: 11/26/2018] [Accepted: 11/30/2018] [Indexed: 12/11/2022] Open
Abstract
Fish intake and docosahexaenoic acid (DHA), a nutrient found in fish, have been favorably linked to several pregnancy outcomes. The risk of early preterm birth (ePT, <34 weeks gestation) is associated with low fish intake and DHA blood levels and can be reduced by supplemental DHA. Here, we summarize the evidence linking blood DHA levels with risk for ePT birth, and based on the available studies, propose that women who are pregnant or trying to become pregnant aim for a red blood cell (RBC) DHA value of at least 5% (of total RBC fatty acids). In the US, ~70% of women of childbearing age are likely below this cut-point, and dietary intake data suggest that this group, including pregnant women, consumes ~60 mg/day DHA and that >90% of this group do not take an omega-3 supplement. Since the recommendations for women to consume fish and to take a 200 mg DHA supplement during pregnancy are not being heeded generally, there is a need to motivate practitioners and pregnant women to attend to these recommendations. Having an objective prenatal blood DHA test could provide such motivation. More research is needed to test the clinical utility of this proposed target prenatal DHA level.
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Affiliation(s)
| | - William S Harris
- OmegaQuant, LLC, 5009 W. 12th St., Suite 8, Sioux Falls, SD 57106, USA.
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Fatty Fish Intake and the Effect on Mental Health and Sleep in Preschool Children in FINS-KIDS, a Randomized Controlled Trial. Nutrients 2018; 10:nu10101478. [PMID: 30314281 PMCID: PMC6213752 DOI: 10.3390/nu10101478] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/03/2018] [Revised: 09/28/2018] [Accepted: 10/08/2018] [Indexed: 12/11/2022] Open
Abstract
Mental health and sleep problems are prevalent in children during preschool years. The aim of the current study was to investigate if increased intake of fatty fish compared with meat improves mental health and sleep in four- to six-year-old children. The children (n = 232) in the two-armed randomized controlled trial, Fish Intervention Studies-KIDS (FINS-KIDS), were randomly assigned to lunch meals with fatty fish (herring/mackerel) or meat (chicken/lamb/beef) three times a week for 16 weeks. The fish and meat were weighed before and after the meals to record the exact consumption in grams (dietary compliance). Mental health problems were assessed by the strengths and difficulties questionnaire (SDQ) and sleep by parent report pre- and post-intervention. There was no significant statistical difference between changes in mental health and sleep for the fish eating group compared with the meat eating group, neither in the crude analysis nor after adjusting for intake of fish or meat (dietary compliance).
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22
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Aswathy B, Kumar VM, Gulia KK. Immature sleep pattern in newborn rats when dams encountered sleep restriction during pregnancy. Int J Dev Neurosci 2018; 69:60-67. [DOI: 10.1016/j.ijdevneu.2018.06.007] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/19/2018] [Revised: 05/09/2018] [Accepted: 06/24/2018] [Indexed: 01/06/2023] Open
Affiliation(s)
- B.S. Aswathy
- Division of Sleep ResearchBiomedical Technology Wing, Sree Chitra Tirunal Institute for Medical Sciences and TechnologyTrivandrum695012KeralaIndia
| | - Velayudhan M. Kumar
- Biomedical Technology Wing, Sree Chitra Tirunal Institute for Medical Sciences and TechnologyTrivandrum695012KeralaIndia
| | - Kamalesh K. Gulia
- Division of Sleep ResearchBiomedical Technology Wing, Sree Chitra Tirunal Institute for Medical Sciences and TechnologyTrivandrum695012KeralaIndia
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Liu J, Cui Y, Li L, Wu L, Hanlon A, Pinto-Martin J, Raine A, Hibbeln JR. The mediating role of sleep in the fish consumption - cognitive functioning relationship: a cohort study. Sci Rep 2017; 7:17961. [PMID: 29269884 PMCID: PMC5740156 DOI: 10.1038/s41598-017-17520-w] [Citation(s) in RCA: 18] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/04/2017] [Accepted: 11/24/2017] [Indexed: 11/09/2022] Open
Abstract
Greater fish consumption is associated with improved cognition among children, but the mediating pathways have not been well delineated. Improved sleep could be a candidate mediator of the fish-cognition relationship. This study assesses whether 1) more frequent fish consumption is associated with less sleep disturbances and higher IQ scores in schoolchildren, 2) such relationships are not accounted for by social and economic confounds, and 3) sleep quality mediates the fish-IQ relationship. In this cohort study of 541 Chinese schoolchildren, fish consumption and sleep quality were assessed at age 9-11 years, while IQ was assessed at age 12. Frequent fish consumption was related to both fewer sleep problems and higher IQ scores. A dose-response relationship indicated higher IQ scores in children who always (4.80 points) or sometimes (3.31 points) consumed fish, compared to those who rarely ate fish (all p < 0.05). Sleep quality partially mediated the relationship between fish consumption and verbal, but not performance, IQ. Findings were robust after controlling for multiple sociodemographic covariates. To our knowledge, this is the first study to indicate that frequent fish consumption may help reduce sleep problems (better sleep quality), which may in turn benefit long-term cognitive functioning in children.
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Affiliation(s)
- Jianghong Liu
- University of Pennsylvania Schools of Nursing and Medicine, 418 Curie Blvd., Claire M. Fagin Hall, Room 426, Philadelphia, PA, 19104, USA.
| | - Ying Cui
- University of Pennsylvania Schools of Nursing and Medicine, 418 Curie Blvd., Claire M. Fagin Hall, Room 426, Philadelphia, PA, 19104, USA
| | - Linda Li
- Brigham and Women's Hospital, 75 Francis Street, Boston, MA, 02115, USA
| | - Lezhou Wu
- University of Pennsylvania Schools of Nursing and Medicine, 418 Curie Blvd., Claire M. Fagin Hall, Room 426, Philadelphia, PA, 19104, USA
| | - Alexandra Hanlon
- University of Pennsylvania Schools of Nursing and Medicine, 418 Curie Blvd., Claire M. Fagin Hall, Room 426, Philadelphia, PA, 19104, USA
| | - Jennifer Pinto-Martin
- University of Pennsylvania Schools of Nursing and Medicine, 418 Curie Blvd., Claire M. Fagin Hall, Room 426, Philadelphia, PA, 19104, USA
| | - Adrian Raine
- University of Pennsylvania School of Arts and Sciences, 483 McNeil Building 3718 Locust Walk, Philadelphia, PA, USA
| | - Joseph R Hibbeln
- Acting Chief, Section on Nutritional Neurosciences LMBB, NIAAA, NIH, 5625 Fishers Lane, Rm 3N-07, MSC 9410, Bethesda, MD, 20892, USA
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Tittus J, Huber MT, Storck K, Köhler A, Köhler JM, von Arnim T, von Schacky C. Omega-3 Index and Obstructive Sleep Apnea: A Cross-Sectional Study. J Clin Sleep Med 2017; 13:1131-1136. [PMID: 28859717 DOI: 10.5664/jcsm.6754] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/03/2017] [Accepted: 07/05/2017] [Indexed: 11/13/2022]
Abstract
STUDY OBJECTIVES Erythrocyte levels of eicosapentaenoic acid (EPA) and docosahexaenoic acid (DHA) (Omega-3 Index) were previously found to be associated with obstructive sleep apnea (OSA) at very low levels (< 5.0%) in only one epidemiologic study. OSA has comorbidities, such as arterial hypertension, heart failure, or major depression, also associated with a low Omega-3 Index. These comorbidities can be improved by increasing intake of EPA and DHA, and thus the Omega-3 Index, preferably to its target range of 8% to 11%. Symptoms of OSA might improve by increasing the Omega-3 Index, but more research is needed. METHODS In our sleep laboratory, 357 participants with OSA were recruited, and data from 315 participants were evaluated. Three categories of OSA (none/ mild, moderate, severe) were defined based on apnea-hypopnea index. Anthropometrics and lifestyle characteristics (smoking, alcohol, fish intake, omega-3 supplementation) were recorded. Erythrocyte fatty acid compositions were assessed with the HS-Omega-3 Index methodology. RESULTS The mean Omega-3 Index in all 3 categories of OSA was 5.7%, and no association with OSA was found. There were more male participants with severe OSA (79.7%, P = .042) than females, and participants with severe OSA had a significantly higher body mass index (32.11 ± 6.39 kg/m2, P = .009) than participants with mild or moderate OSA. Lifestyle characteristics were not significantly different. CONCLUSIONS In contrast to our hypothesis, an Omega-3 Index of 5.7% was not associated with OSA severity. Previously, an Omega-3 Index < 5.0% was associated. Although our results suggest aiming for an Omega-3 Index > 5.7% in an intervention trial with EPA and DHA in OSA, comorbidities of OSA suggest a target range of 8% to 11%.
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Affiliation(s)
- Janine Tittus
- Preventive Cardiology, University of Munich, Munich, Germany
| | | | - Klaus Storck
- Lungenärzte am Rotkreuzplatz Munich, Munich, Germany
| | - Anton Köhler
- Preventive Cardiology, University of Munich, Munich, Germany
| | - Jan M Köhler
- Preventive Cardiology, University of Munich, Munich, Germany
| | | | - Clemens von Schacky
- Preventive Cardiology, University of Munich, Munich, Germany.,Omegametrix, Martinsried, Germany
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Brei C, Stecher L, Brunner S, Ensenauer R, Heinen F, Wagner PD, Hermsdörfer J, Hauner H. Impact of the n-6:n-3 long-chain PUFA ratio during pregnancy and lactation on offspring neurodevelopment: 5-year follow-up of a randomized controlled trial. Eur J Clin Nutr 2017; 71:1114-1120. [PMID: 28537583 DOI: 10.1038/ejcn.2017.79] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/19/2016] [Revised: 02/20/2017] [Accepted: 04/18/2017] [Indexed: 12/15/2022]
Abstract
BACKGROUND/OBJECTIVES Evidence regarding the effect of n-3 long-chain polyunsaturated fatty acid (LCPUFA) supplementation during pregnancy on offspring's neurodevelopment is not conclusive. SUBJECTS/METHODS In this analysis, the effect of a reduced n-6:n-3 LCPUFA ratio in the diet of pregnant/lactating women (1.2 g n-3 LCPUFA together with an arachidonic acid (AA)-balanced diet between 15th wk of gestation-4 months postpartum vs control diet) on child neurodevelopment at 4 and 5 years of age was assessed. A child development inventory (CDI) questionnaire and a hand movement test measuring mirror movements (MMs) were applied and the association with cord blood LCPUFA concentrations examined. RESULTS CDI questionnaire data, which categorizes children as 'normal', 'borderline' or 'delayed' in different areas of development, showed no significant evidence between study groups at 4 (n=119) and 5 years (n=130) except for the area 'letters' at 5 years of age (P=0.043). Similarly, the results did not strongly support the hypothesis that the intervention has a beneficial effect on MMs (for example, at 5 years: dominant hand, fast: adjusted mean difference, -0.08 (-0.43, 0.26); P=0.631). Children exposed to higher cord blood concentrations of docosahexaenoic acid, eicosapentaenoic acid and AA, as well as a lower ratio of n-6:n-3 fatty acids appeared to show beneficial effects on MMs, but these results were largely not statistically significant. CONCLUSIONS Our results do not show clear benefits or harms of a change in the n-6:n-3 LCPUFA ratio during pregnancy on offspring's neurodevelopment at preschool age. Findings on cord blood LCPUFAs point to a potential influence on offspring development.
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Affiliation(s)
- C Brei
- Else Kröner-Fresenius Center for Nutritional Medicine, Klinikum rechts der Isar, Technische Universität München, Munich, Germany
| | - L Stecher
- Else Kröner-Fresenius Center for Nutritional Medicine, Klinikum rechts der Isar, Technische Universität München, Munich, Germany
| | - S Brunner
- Else Kröner-Fresenius Center for Nutritional Medicine, Klinikum rechts der Isar, Technische Universität München, Munich, Germany
| | - R Ensenauer
- Department of General Pediatrics, Neonatology and Pediatric Cardiology, Experimental Pediatrics and Metabolism, University Children's Hospital, Heinrich Heine University Düsseldorf, Düsseldorf, Germany.,Research Center, Dr von Hauner Children's Hospital, Ludwig-Maximilians-Universität München, Munich, Germany
| | - F Heinen
- Department of Pediatric Neurology and Developmental Medicine, Dr von Hauner Children's Hospital, Ludwig-Maximilians-Universität München, Munich, Germany
| | - P D Wagner
- Department of Sport and Health Sciences, Institute of Human Movement Science, Technische Universität München, Munich, Germany
| | - J Hermsdörfer
- Department of Sport and Health Sciences, Institute of Human Movement Science, Technische Universität München, Munich, Germany
| | - H Hauner
- Else Kröner-Fresenius Center for Nutritional Medicine, Klinikum rechts der Isar, Technische Universität München, Munich, Germany.,ZIEL - Institute for Food and Health, Nutritional Medicine Unit, Technische Universität München, Freising, Germany
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Schneider N, Mutungi G, Cubero J. Diet and nutrients in the modulation of infant sleep: A review of the literature. Nutr Neurosci 2016; 21:151-161. [PMID: 27868947 DOI: 10.1080/1028415x.2016.1258446] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/20/2022]
Abstract
OBJECTIVES The establishment of organized sleep patterns is an important developmental process during infancy. Little is known about the role of nutrition in sleep maturation. This review focuses on exploring the link between infant sleep and nutrition with the aim to provide an overview of existing literature on the impact of diet and specific nutrients on sleep modulation in infants. METHODS An exploratory literature search was performed on the topic in Medline, Scopus and Cochrane Library databases, with a focus on publications in English. RESULTS Both the type of nutrients consumed and the timing at which they were consumed, relative to sleeping time, have been reported to influence infant sleep. Some nutrients have been shown to naturally fluctuate in maternal breast milk with circadian rhythm, and nutrients such as tryptophan, nucleotides, essential fatty acids and Omega-3 long-chain fatty acids have been suggested to impact infant sleep. DISCUSSION In summary, little is known about the nutritional impact on infant sleep and sleep maturation, particularly with regard to specific nutrients. While nutrients like tryptophan and nucleotides seem to impact sleep at the level of brain activity, some fatty acids may affect sleep as a result of their role in supporting the maturity of the central nervous system. In our view, the existing literature indicates that the link between nutrition and infant sleep may be a promising concept to support this crucial phase of early development.
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Affiliation(s)
- Nora Schneider
- a Nestec Ltd, Nestlé Research Center , Vers-Chez-les-Blanc, 1000 Lausanne 26, Switzerland
| | | | - Javier Cubero
- c Health Education Lab, Experimental Science Education Area , University of Extremadura , Badajoz , Spain
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27
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Colombo J, Gustafson KM, Gajewski BJ, Shaddy DJ, Kerling EH, Thodosoff JM, Doty T, Brez CC, Carlson SE. Prenatal DHA supplementation and infant attention. Pediatr Res 2016; 80:656-662. [PMID: 27362506 PMCID: PMC5164926 DOI: 10.1038/pr.2016.134] [Citation(s) in RCA: 28] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/25/2016] [Accepted: 05/02/2016] [Indexed: 11/09/2022]
Abstract
BACKGROUND Results of randomized trials on the effects of prenatal docosahexaenoic acid (DHA) on infant cognition are mixed, but most trials have used global standardized outcomes, which may not be sensitive to effects of DHA on specific cognitive domains. METHODS Women were randomized to 600 mg/d DHA or a placebo for the last two trimesters of pregnancy. Infants of these mothers were then followed on tests of visual habituation at 4, 6, and 9 mo of age. RESULTS DHA supplementation did not affect look duration or habituation parameters but infants of supplemented mothers maintained high levels of sustained attention (SA) across the first year; SA declined for the placebo group. The supplemented group also showed significantly reduced attrition on habituation tasks, especially at 6 and 9 mo. CONCLUSION The findings support with the suggestion that prenatal DHA may positively affect infants' attention and regulation of state.
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Affiliation(s)
- John Colombo
- Department of Psychology and Schiefelbusch Institute for Life Span Studies, University of Kansas
| | | | | | - D. Jill Shaddy
- Department of Dietetics and Nutrition, University of Kansas Medical Center
| | | | | | - Tasha Doty
- Department of Occupational Therapy, Washington University of St. Louis
| | | | - Susan E. Carlson
- Department of Dietetics and Nutrition, University of Kansas Medical Center
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28
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Li J, Yin H, Bibus DM, Byelashov OA. The role of Omega-3 docosapentaenoic acid in pregnancy and early development. EUR J LIPID SCI TECH 2016. [DOI: 10.1002/ejlt.201600076] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/23/2023]
Affiliation(s)
- Juan Li
- Omega Protein Corporation; Houston; TX USA
| | | | - Douglas M. Bibus
- University of Minnesota; Minneapolis; MN USA
- Lipid Technologies; LLC.; Austin MN USA
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Preconception Care: A New Standard of Care within Maternal Health Services. BIOMED RESEARCH INTERNATIONAL 2016; 2016:6150976. [PMID: 27314031 PMCID: PMC4903143 DOI: 10.1155/2016/6150976] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 12/31/2015] [Accepted: 04/18/2016] [Indexed: 12/13/2022]
Abstract
Emerging research suggests that much pediatric affliction has origins in the vulnerable phase of fetal development. Prenatal factors including deficiency of various nutrients and exposure to assorted toxicants are major etiological determinants of myriad obstetrical complications, pediatric chronic diseases, and perhaps some genetic mutations. With recent recognition that modifiable environmental determinants, rather than genetic predestination, are the etiological source of most chronic illness, modification of environmental factors prior to conception offers the possibility of precluding various mental and physical health conditions. Environmental and lifestyle modification through informed patient choice is possible but evidence confirms that, with little to no training in clinical nutrition, toxicology, or environmental exposures, most clinicians are ill-equipped to counsel patients about this important area. With the totality of available scientific evidence that now exists on the potential to modify disease-causing gestational determinants, failure to take necessary precautionary action may render members of the medical community collectively and individually culpable for preventable illness in children. We advocate for environmental health education of maternity health professionals and the widespread adoption and implementation of preconception care. This will necessitate the translation of emerging knowledge from recent research literature, to health professionals, to reproductive-aged women, and to society at large.
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Lotrich FE, Sears B, McNamara RK. Polyunsaturated fatty acids moderate the effect of poor sleep on depression risk. Prostaglandins Leukot Essent Fatty Acids 2016; 106:19-25. [PMID: 26598106 PMCID: PMC4775327 DOI: 10.1016/j.plefa.2015.10.004] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/16/2015] [Revised: 09/09/2015] [Accepted: 10/10/2015] [Indexed: 12/25/2022]
Abstract
Although potentially modifiable risk factors for interferon-alpha (IFN-α)-associated depression (IFN-MDD) have been identified, it is not currently known how they interact to confer risk. In the present study we prospectively investigated interactions among poor sleep quality, high-stress, pre-existing depressive symptoms, and polyunsaturated fatty acid status. Non-depressed hepatitis C patients (n=104) were followed prospectively during IFN-α therapy. IFN-MDD occurs in 20-40% of patients and was diagnosed using the Structured Clinical Interview of DSM-IV (SCID-IV), with incidence examined using Cox regression. Baseline Pittsburgh Sleep Quality Inventory (PSQI), Perceived Stress Scale (PSS), Beck Depression Inventory (BDI), and a range of plasma long-chain fatty acid levels were measured (gas chromatography) - focusing on the ratio of arachidonic acid (AA) to docosahexaenoic acid (DHA) and eicosapentaenoic acid (EPA) (AA/EPA+DHA). The AA/EPA+DHA ratio (Β=0.40 ± 0.16; p=0.006), PSQI (Β=0.12 ± 0.04; p=0.001), PSS (Β=0.07 ± 0.02; p<0.001), and baseline BDI (Β=0.05 ± 0.02; p<0.001) each individually predicted IFN-MDD incidence. In step-wise Cox regression eliminating non-significant variables, two interactions remained significantly predictive: PSQI*AA/EPA+DHA (p=0.008) and PSS*AA/EPA+DHA (p=0.01). Receiver Operator Curves (ROC) were used to examine the specificity and sensitivity of IFN-MDD prediction. When sleep was normal (PSQI<5), AA/EPA+DHA was strongly predictive of IFN-MDD (AUC=91 ± 6; p=0.002). For example, among those with AA/EPA+DHA less than the median (4.15), none with PSQI<5 developed depression. Conversely, neither PSS nor PSQI was statistically associated with depression risk in those with an elevated AA/EPA+DHA ratio. These data demonstrate that the AA/EPA+DHA ratio moderates the effect of poor sleep on risk for developing IFN-MDD and may have broader implications for predicting and preventing MDD associated with inflammation.
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Affiliation(s)
- Francis E Lotrich
- Department of Psychiatry, Western Psychiatric Institute and Clinic, University of Pittsburgh School of Medicine, Pittsburgh, PA, United States.
| | - Barry Sears
- Inflammation Research Foundation, Marblehead, MA, United States
| | - Robert K McNamara
- Department of Psychiatry, University of Cincinnati College of Medicine, Cincinnati, OH, United States
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31
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Scientific Opinion on health benefits of seafood (fish and shellfish) consumption in relation to health risks associated with exposure to methylmercury. EFSA J 2014. [DOI: 10.2903/j.efsa.2014.3761] [Citation(s) in RCA: 79] [Impact Index Per Article: 7.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/31/2022] Open
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Zornoza-Moreno M, Fuentes-Hernández S, Carrión V, Alcántara-López MV, Madrid JA, López-Soler C, Sánchez-Solís M, Larqué E. Is low docosahexaenoic acid associated with disturbed rhythms and neurodevelopment in offsprings of diabetic mothers? Eur J Clin Nutr 2014; 68:931-7. [DOI: 10.1038/ejcn.2014.104] [Citation(s) in RCA: 22] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/12/2013] [Revised: 03/20/2014] [Accepted: 04/18/2014] [Indexed: 02/08/2023]
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33
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Loomans EM, Van den Bergh BRH, Schelling M, Vrijkotte TGM, van Eijsden M. Maternal long-chain polyunsaturated fatty acid status during early pregnancy and children's risk of problem behavior at age 5-6 years. J Pediatr 2014; 164:762-8. [PMID: 24439058 DOI: 10.1016/j.jpeds.2013.11.069] [Citation(s) in RCA: 18] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/22/2013] [Revised: 10/04/2013] [Accepted: 11/27/2013] [Indexed: 10/25/2022]
Abstract
OBJECTIVE To prospectively investigate the association between maternal long-chain polyunsaturated fatty acid (LCPUFA) status and ratio during pregnancy and children's risk of problem behavior at 5 years of age. STUDY DESIGN Maternal LCPUFA status in plasma phospholipids during pregnancy (M = 13.3, SD = 3 weeks) was available for 4336 women. Children's behavior was rated by their mother (n = 2502) and teacher (n = 2061). RESULTS When using multivariate logistic regression analyses, we found that greater concentrations of omega-3 fatty acid docosahexaenoic acid (OR 0.75; 95% CI 0.56-0.99; P = .05) decreased children's risk for emotional symptoms. Although lower eicosapentaenoic acid and a greater omega-6:omega-3 LCPUFA (ie, arachidonic acid/[docosahexaenoic acid + eicosapentaenoic acid]) tended to increase the risk for emotional symptoms and the risk of hyperactivity/inattention problems for the omega-6:omega-3 LCPUFA, the results were nonsignificant (P = .07). No evidence was found for mediation by preterm birth and being small for gestational age. The child's sex and infant feeding pattern did not modify the associations. CONCLUSION Our results suggest long-term developmental programming influences of maternal LCPUFA status during pregnancy and stress the importance of an adequate and balanced supply of fatty acids in pregnant women for optimal fetal brain development and subsequent long-term behavioral outcomes.
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Affiliation(s)
- Eva M Loomans
- Department of Developmental Psychology, Tilburg University, Tilburg, The Netherlands; Department of Epidemiology, and Health Promotion, Public Health Service of Amsterdam (GGD), Amsterdam, The Netherlands.
| | - Bea R H Van den Bergh
- Department of Developmental Psychology, Tilburg University, Tilburg, The Netherlands; Department of Welfare, Public Health & Family, Flemish Government, Brussels, Belgium; Department of Psychology, Katholieke Universiteit Leuven, Leuven, Belgium
| | - Maaike Schelling
- Department of Epidemiology, and Health Promotion, Public Health Service of Amsterdam (GGD), Amsterdam, The Netherlands
| | - Tanja G M Vrijkotte
- Department of Public Health, Academic Medical Center, University of Amsterdam, Amsterdam, The Netherlands
| | - Manon van Eijsden
- Department of Epidemiology, and Health Promotion, Public Health Service of Amsterdam (GGD), Amsterdam, The Netherlands; Department of Health Sciences, VU University Amsterdam, Amsterdam, The Netherlands
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Montgomery P, Burton JR, Sewell RP, Spreckelsen TF, Richardson AJ. Fatty acids and sleep in UK children: subjective and pilot objective sleep results from the DOLAB study--a randomized controlled trial. J Sleep Res 2014; 23:364-88. [PMID: 24605819 PMCID: PMC4263155 DOI: 10.1111/jsr.12135] [Citation(s) in RCA: 46] [Impact Index Per Article: 4.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/22/2013] [Accepted: 01/11/2014] [Indexed: 11/30/2022]
Abstract
Sleep problems in children are associated with poor health, behavioural and cognitive problems, as are deficiencies of long-chain omega-3 fatty acids such as docosahexaenoic acid. Theory and some evidence support a role for these fatty acids in sleep regulation, but this issue has received little formal investigation. We examined associations between blood fatty acid concentrations (from fingerstick blood samples) and subjective sleep (using an age-standardized parent questionnaire) in a large epidemiological sample of healthy children aged 7–9 years (n = 395) from mainstream UK schools. In a randomized controlled trial, we then explored whether 16-week supplementation (600 mg day−1) with algal docosahexaenoic acid versus placebo might improve sleep in a subset of those children (n = 362) who were underperforming in reading. In a randomly selected subsample (n = 43), sleep was also assessed objectively via actigraphy. In 40% of the epidemiological sample, Child Sleep Habits Questionnaire scores indicated clinical-level sleep problems. Furthermore, poorer total sleep disturbance scores were associated weakly but significantly with lower blood docosahexaenoic acid (std coeff. −0.105*) and a lower docosahexaenoic acid : arachidonic acid ratio (std coeff. −0.119**). The treatment trial showed no significant effects on subjective sleep measures. However, in the small actigraphy subsample, docosahexaenoic acid supplementation led on average to seven fewer wake episodes and 58 min more sleep per night. Cautiously, we conclude that higher blood levels of docosahexaenoic acid may relate to better child sleep, as rated by parents. Exploratory pilot objective evidence from actigraphy suggests that docosahexaenoic acid supplementation may improve children's sleep, but further investigations are needed.
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Affiliation(s)
- Paul Montgomery
- Centre for Evidence-Based Intervention, University of Oxford, Oxford, UK
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Gustafson KM, Carlson SE, Colombo J, Yeh HW, Shaddy DJ, Li S, Kerling EH. Effects of docosahexaenoic acid supplementation during pregnancy on fetal heart rate and variability: a randomized clinical trial. Prostaglandins Leukot Essent Fatty Acids 2013; 88:331-8. [PMID: 23433688 PMCID: PMC3734850 DOI: 10.1016/j.plefa.2013.01.009] [Citation(s) in RCA: 35] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/29/2012] [Revised: 01/22/2013] [Accepted: 01/25/2013] [Indexed: 10/27/2022]
Abstract
DHA (22:6n-3) supplementation during infancy has been associated with lower heart rate (HR) and improved neurobehavioral outcomes. We hypothesized that maternal DHA supplementation would improve fetal cardiac autonomic control and newborn neurobehavior. Pregnant women were randomized to 600 mg/day of DHA or placebo oil capsules at 14.4 (+/-4) weeks gestation. Fetal HR and HRV were calculated from magnetocardiograms (MCGs) at 24, 32 and 36 weeks gestational age (GA). Newborn neurobehavior was assessed using the Neonatal Behavioral Assessment Scale (NBAS). Post-partum maternal and infant red blood cell (RBC) DHA was significantly higher in the supplemented group as were metrics of fetal HRV and newborn neurobehavior in the autonomic and motor clusters. Higher HRV is associated with more responsive and flexible autonomic nervous system (ANS). Coupled with findings of improved autonomic and motor behavior, these data suggest that maternal DHA supplementation during pregnancy may impart an adaptive advantage to the fetus.
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Affiliation(s)
- K M Gustafson
- Hoglund Brain Imaging Center and Department of Neurology, University of Kansas, Kansas City, KS 66160, USA.
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Huang HL, Chuang LT, Li HH, Lin CP, Glew RH. Docosahexaenoic acid in maternal and neonatal plasma phospholipids and milk lipids of Taiwanese women in Kinmen: fatty acid composition of maternal blood, neonatal blood and breast milk. Lipids Health Dis 2013; 12:27. [PMID: 23496882 PMCID: PMC3608933 DOI: 10.1186/1476-511x-12-27] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/10/2012] [Accepted: 02/28/2013] [Indexed: 11/24/2022] Open
Abstract
Background Docosahexaenoic acid (DHA) is a long-chain omega-3 polyunsaturated fatty acid (LCPUFA) that is critically important for the structure, development and function of the retina and central nervous system (CNS), ultimately contributing to improved cognition. It is known that the DHA content of breast milk is positively correlated with maternal DHA intake. Since there is a lack of information about the DHA status of pregnant and lactating women in rural Taiwan. The aims of the present study were to: 1) assess the DHA status of mothers and babies in urban setting, and 2) determine the content of DHA in the milk of nursing mothers. Methods All pregnant women who attended the Obstetrics and Gynecology Outpatient Clinic of Kinmen Hospital on Kinmen Island in Taiwan between May 1 and May 30, 2011 were invited by research nurses to enroll in the study. The maternal blood sample was obtained on the day of their delivery. Cord blood was collected by the obstetrician following delivery. Participants were asked to visit the doctor forty-two days after the delivery, at which time a nurse collected breast milk on the day mothers were visiting the doctor for post-natal well-baby check-up. Results The DHA percentages of maternal and neonatal plasma phospholipids were 5.16% and 6.36%, respectively, which are higher than values reported for most populations elsewhere in the world. The DHA percentage for the breast milk of Kinmen mothers was also high (0.98%) relation to international norms. The DHA proportions in maternal and neonatal plasma phospholipids were positively correlated (r = 0.46, p = 0.01). Conclusions We show that the DHA status of mothers and newborns on Kinmen Island is satisfactory, thereby providing an evidence-based argument for promoting breastfeeding in Taiwan.
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Affiliation(s)
- Hsiao-Ling Huang
- Department of Healthcare Management, Yuanpei University, Hsinchu, Taiwan.
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McNamara RK. Deciphering the role of docosahexaenoic acid in brain maturation and pathology with magnetic resonance imaging. Prostaglandins Leukot Essent Fatty Acids 2013; 88:33-42. [PMID: 22521863 PMCID: PMC3458176 DOI: 10.1016/j.plefa.2012.03.011] [Citation(s) in RCA: 26] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/03/2012] [Revised: 03/30/2012] [Accepted: 03/31/2012] [Indexed: 01/11/2023]
Abstract
Animal studies have found that deficits in brain docosahexaenoic acid (DHA, 22:6n-3) accrual during perinatal development leads to transient and enduring abnormalities in brain development and function. Determining the relevance of this evidence to brain disorders in humans has been hampered by an inability to determine antimortem brain DHA levels and limitations associated with a postmortem approach. Accordingly, there is a need for alternate or complementary approaches to better understand the role of DHA in cortical function and pathology, and conventional magnetic resonance imaging (MRI) techniques may be ideally suited for this application. A major advantage of neuroimaging is that it permits prospective evaluation of the effects of manipulating DHA status on both clinical and neuroimaging variables. Emerging evidence from MRI studies suggest that greater DHA status is associated with cortical structural and functional integrity, and suggest that reduced DHA status and abnormalities in cortical function observed in psychiatric disorders may be interrelated phenomenon. Preliminary evidence from animal MRI studies support a critical role of DHA in normal brain development. Neuroimaging research in both human and animals therefore holds tremendous promise for developing a better understanding of the role of DHA status in cortical function, as well as for elucidating the impact of DHA deficiency on neuropathological processes implicated in the etiology and progression of neurodevelopmental and psychiatric disorders.
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Affiliation(s)
- Robert K McNamara
- Department of Psychiatry and Behavioral Neuroscience, Division of Bipolar Disorders Research, University of Cincinnati College of Medicine, Cincinnati, OH 45219, USA.
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Morse NL. Benefits of docosahexaenoic acid, folic acid, vitamin D and iodine on foetal and infant brain development and function following maternal supplementation during pregnancy and lactation. Nutrients 2012; 4:799-840. [PMID: 22852064 PMCID: PMC3407995 DOI: 10.3390/nu4070799] [Citation(s) in RCA: 75] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/31/2012] [Revised: 07/09/2012] [Accepted: 07/12/2012] [Indexed: 11/17/2022] Open
Abstract
UNLABELLED Scientific literature is increasingly reporting on dietary deficiencies in many populations of some nutrients critical for foetal and infant brain development and function. PURPOSE To highlight the potential benefits of maternal supplementation with docosahexaenoic acid (DHA) and other important complimentary nutrients, including vitamin D, folic acid and iodine during pregnancy and/or breast feeding for foetal and/or infant brain development and/or function. METHODS English language systematic reviews, meta-analyses, randomised controlled trials, cohort studies, cross-sectional and case-control studies were obtained through searches on MEDLINE and the Cochrane Register of Controlled Trials from January 2000 through to February 2012 and reference lists of retrieved articles. Reports were selected if they included benefits and harms of maternal supplementation of DHA, vitamin D, folic acid or iodine supplementation during pregnancy and/or lactation. RESULTS Maternal DHA intake during pregnancy and/or lactation can prolong high risk pregnancies, increase birth weight, head circumference and birth length, and can enhance visual acuity, hand and eye co-ordination, attention, problem solving and information processing. Vitamin D helps maintain pregnancy and promotes normal skeletal and brain development. Folic acid is necessary for normal foetal spine, brain and skull development. Iodine is essential for thyroid hormone production necessary for normal brain and nervous system development during gestation that impacts childhood function. CONCLUSION Maternal supplementation within recommended safe intakes in populations with dietary deficiencies may prevent many brain and central nervous system malfunctions and even enhance brain development and function in their offspring.
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Affiliation(s)
- Nancy L Morse
- Efamol Ltd., 14 Mole Business Park, Leatherhead KT22 7BA, UK.
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Maternal consumption of a DHA-containing functional food benefits infant sleep patterning: an early neurodevelopmental measure. Early Hum Dev 2012; 88:531-7. [PMID: 22269042 DOI: 10.1016/j.earlhumdev.2011.12.016] [Citation(s) in RCA: 45] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/01/2010] [Revised: 12/13/2011] [Accepted: 12/20/2011] [Indexed: 11/20/2022]
Abstract
BACKGROUND Docosahexaenoic acid (DHA; 22:6n-3) is highly important during pregnancy for optimal development and functioning of fetal neural tissue. Infant ability to organize sleep and wake states following parturition is highly associated with later developmental outcomes. The impact of maternal DHA intake on sleep organization has not been previously investigated. AIMS To examine the effect of a DHA-containing functional food consumed during pregnancy on early neurobehavioral development as assessed by infant sleep patterning in the first 48 postnatal hours. STUDY DESIGN A longitudinal, randomized, double-blinded, placebo-controlled design was used. SUBJECTS Women (18-35 y) with no pregnancy complications consumed a cereal-based functional food (92 kcal) containing 300 mg DHA an average of 5 d/week or placebo bars (n=27 DHA, n=21 Placebo). The intervention began at 24 weeks gestation and continued until delivery (38-40 weeks). OUTCOME MEASURES Infant sleep/wake states were measured on postnatal days 1 (D1) and 2 (D2) using a pressure sensitive mattress recording respiration and body movements. RESULTS Using ANCOVA and controlling for ethnic variation, there were significant group differences in arousals in quiet sleep on D1 (P=0.006) and D2 (P=0.011) with fewer arousals in the DHA intervention group compared to the placebo group. Similarly, arousals in active sleep on D1 were significantly lower in the DHA-intervention group (P=0.012) compared to the placebo group. CONCLUSIONS We conclude that increased prenatal supply of dietary DHA has a beneficial impact on infant sleep organization.
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Ladesich JB, Pottala JV, Romaker A, Harris WS. Membrane level of omega-3 docosahexaenoic acid is associated with severity of obstructive sleep apnea. J Clin Sleep Med 2012; 7:391-6. [PMID: 21897776 DOI: 10.5664/jcsm.1198] [Citation(s) in RCA: 25] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022]
Abstract
BACKGROUND Patients with obstructive sleep apnea (OSA) are at increased risk of cardiovascular disease (CVD). The omega-3 fatty acid docosahexaenoic acid (DHA) is a major component of neural tissues, and supplementation with fish oils improves autonomic tone and reduces risk for CVD. A link between low DHA status and less mature sleep patterns was observed in newborns. METHODS We investigated the relations between red blood cell (RBC) levels of DHA and OSA severity in 350 sequential patients undergoing sleep studies. Severity categories were defined as none/mild, moderate, and severe, based on apnea hypopnea index (AHI) scores of 0 to 14, 15 to 34, and > 34, respectively. RESULTS After controlling for age, sex, race, smoking, BMI, alcohol intake, fish intake, and omega-3 supplementation, RBC DHA was inversely related with OSA severity. For each 1-SD increase in DHA levels, a patient was about 50% less likely to be classified with severe OSA. The odds ratios (95% CI) were 0.47 (0.28 to 0.80) and 0.55 (0.31 to 0.99) for being in the severe group versus the none/mild or moderate groups, respectively. CONCLUSION These findings suggest that disordered membrane fatty acid patterns may play a causal role in OSA and that the assessment of RBC DHA levels might help in the diagnosis of OSA. The effects of DHA supplementation on OSA should be explored.
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Affiliation(s)
- James B Ladesich
- University of Missouri-Kansas City School of Medicine, Kansas City, MO, USA
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Campoy C, Escolano-Margarit MV, Ramos R, Parrilla-Roure M, Csábi G, Beyer J, Ramirez-Tortosa MC, Molloy AM, Decsi T, Koletzko BV. Effects of prenatal fish-oil and 5-methyltetrahydrofolate supplementation on cognitive development of children at 6.5 y of age. Am J Clin Nutr 2011; 94:1880S-1888S. [PMID: 21849596 DOI: 10.3945/ajcn.110.001107] [Citation(s) in RCA: 81] [Impact Index Per Article: 6.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/26/2023] Open
Abstract
BACKGROUND The influence of prenatal long-chain polyunsaturated fatty acids (LC-PUFAs) and folate on neurologic development remains controversial. OBJECTIVE The objective was to assess the long-term effects of n-3 (omega-3) LC-PUFA supplementation, 5-methyltetrahydrofolate (5-MTHF) supplementation, or both in pregnant women on cognitive development of offspring at 6.5 y of age. DESIGN This was a follow-up study of the NUHEAL (Nutraceuticals for a Healthier Life) cohort. Healthy pregnant women in 3 European centers were randomly assigned to 4 intervention groups. From the 20th week of pregnancy until delivery, they received a daily supplement of 500 mg docosahexaenoic acid (DHA) + 150 mg eicosapentaenoic acid [fish oil (FO)], 400 μg 5-MTHF, or both or a placebo. Infants received formula containing 0.5% DHA and 0.4% arachidonic acid (AA) if they were born to mothers receiving FO supplements or were virtually free of DHA and AA until the age of 6 mo if they belonged to the groups that were not supplemented with FO. Fatty acids and folate concentrations were determined in maternal blood at weeks 20 and 30 of pregnancy, at delivery, and in cord blood. Cognitive function was assessed at 6.5 y of age with the Kaufman Assessment Battery for Children (K-ABC). RESULTS We observed no significant differences in K-ABC scores between intervention groups. Higher DHA in maternal erythrocytes at delivery was associated with a Mental Processing Composite Score higher than the 50th percentile in the offspring. CONCLUSION We observed no significant effect of supplementation on the cognitive function of children, but maternal DHA status may be related to later cognitive function in children. This trial was registered at clinicaltrials.gov as NCT01180933.
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Affiliation(s)
- Cristina Campoy
- Department of Pediatrics, Laboratory of Medical Investigations, Clinical University Hospital San Cecilio, Granada, Spain.
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Hadders-Algra M. Prenatal and early postnatal supplementation with long-chain polyunsaturated fatty acids: neurodevelopmental considerations. Am J Clin Nutr 2011; 94:1874S-1879S. [PMID: 21525202 DOI: 10.3945/ajcn.110.001065] [Citation(s) in RCA: 35] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/08/2023] Open
Abstract
It takes >20 y before the human brain obtains its complex adult configuration. Most dramatic neurodevelopmental changes occur prenatally and early postnatally, including a major transformation in cortical organization 3-4 mo after term. The long-lasting changes have practical implications for studies evaluating the effect of prenatal and early postnatal supplementation with long-chain polyunsaturated fatty acids (LC-PUFAs). Whether studies of the effect of supplementation will reveal an effect not only depends on the dosage and duration of supplementation but also on 1) the timing of supplementation, 2) the age at which the outcome is assessed, 3) the application of age-specific sensitive neurodevelopmental tools, and 4) the functional domain evaluated. Studies of the effects of prenatal supplementation with docosahexaenoic acid (DHA) or fish oil have provided inconsistent results. However, maternal and neonatal concentrations of DHA and arachidonic acid are associated with improved outcomes in early infancy, and concentrations of DHA are associated with favorable neurodevelopmental outcome beyond early infancy. Studies of LC-PUFA supplementation in preterm infants have not shown evidence of a positive effect on neurodevelopmental outcome. Similar studies in full-term infants have indicated that supplementation with 0.30% DHA (by wt) promotes neurodevelopmental outcome in early infancy, but positive effects on later outcome have not been shown. However, information on the effects on outcomes at school age or later is virtually absent. This article stresses the need for long-term longitudinal studies that apply age-specific, sensitive neurodevelopmental tools, which also take into account lifestyle habits, maternal prepregnancy nutritional status, and genetic variation in metabolism.
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Affiliation(s)
- Mijna Hadders-Algra
- Department of Pediatrics, Developmental Neurology, University Medical Center, Groningen, Netherlands.
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Kuipers RS, Luxwolda MF, Janneke Dijck-Brouwer DA, Muskiet FAJ. Intrauterine, postpartum and adult relationships between arachidonic acid (AA) and docosahexaenoic acid (DHA). Prostaglandins Leukot Essent Fatty Acids 2011; 85:245-52. [PMID: 21561751 DOI: 10.1016/j.plefa.2011.04.015] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 10/18/2022]
Abstract
Erythrocyte (RBC) fatty acid compositions from populations with stable dietary habits but large variations in RBC-arachidonic (AA) and RBC-docosahexaenoic acid (DHA) provided us with insight into relationships between DHA and AA. It also enabled us to estimate the maternal RBC-DHA (mRBC-DHA) status that corresponded with no decrease in mRBC-DHA during pregnancy, or in infant (i) RBC-DHA or mRBC-DHA during the first 3 months postpartum (DHA-equilibrium) while exclusively breastfeeding. At delivery, iRBC-AA is uniformly high and independent of mRBC-AA. Infants born to mothers with low RBC-DHA exhibit higher, but infants born to mothers with high RBC-DHA exhibit lower RBC-DHA than their mothers. This switch from 'biomagnification' into 'bioattenuation' occurs at 6g% mRBC-DHA. At 6g%, mRBC-DHA is stable throughout pregnancy, corresponds with postpartum infant DHA-equilibrium of 6 and 0.4g% DHA in mature milk, but results in postpartum depletion of mRBC-DHA to 5g%. Postpartum maternal DHA-equilibrium is reached at 8g% mRBC-DHA, corresponding with 1g% DHA in mature milk and 7g% iRBC-DHA at delivery that increases to 8g% during lactation. This 8g% RBC-DHA concurs with the lowest risks of cardiovascular and psychiatric diseases in adults. RBC-data from 1866 infants, males and (non-)pregnant females indicated AA vs. DHA synergism at low RBC-DHA, but antagonism at high RBC-DHA. These data, together with high intakes of AA and DHA from our Paleolithic diet, suggest that bioattenuation of DHA during pregnancy and postnatal antagonism between AA and DHA are the physiological standard for humans across the life cycle.
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Affiliation(s)
- Remko S Kuipers
- Laboratory Medicine, University Medical Center Groningen (UMCG), Room Y 3.181, 9700 RB Groningen, The Netherlands.
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Rioux FM, Bélanger-Plourde J, Leblanc CP, Vigneau F. Relationship between maternal DHA and iron status and infants' cognitive performance. CAN J DIET PRACT RES 2011; 72:76. [PMID: 21645426 DOI: 10.3148/72.2.2011.e140] [Citation(s) in RCA: 12] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022]
Abstract
PURPOSE The dietary nutrients iron and long-chain polyunsaturated fatty acids are believed to play an important role in early brain development. We investigated the relationship between pregnant women's iron and docosahexaenoic acid (DHA) status and their infants' cognitive performance at age six months. METHODS Blood iron and DHA status were analyzed in pregnant women at 28 to 32 weeks of gestation. The women's dietary habits, sociodemographic background, and cognitive performance were assessed using questionnaires. At age six months, infants' blood hemoglobin was analyzed, feeding practices assessed, and weight, length, and head circumference recorded. Each infant's cognitive performance was assessed using the Brunet-Lézine Scale of Psychomotor Development of Early Childhood and the Bayley Scales of Infant Development. Sixty-three mother-infant dyads completed the study. RESULTS During pregnancy, 9.5% of pregnant women were anemic, 34.9% had low iron stores, and 3.2% suffered from iron deficiency anemia. The DHA represented 4.36% and 2.15% in erythrocyte and plasma total fatty acids, respectively. These levels were considered adequate. No significant relationship was observed between gestational iron or DHA status and infants' cognitive performance. CONCLUSIONS In this small group of infants born to mothers with relatively good feeding practices and a privileged socioeconomic background, cognitive testing with the instruments above was not associated with maternal iron and DHA levels at age six months.
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Prevalence of snoring and associated factors in infancy. Sleep Med 2011; 12:787-92. [DOI: 10.1016/j.sleep.2011.01.019] [Citation(s) in RCA: 23] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/14/2010] [Revised: 01/19/2011] [Accepted: 01/21/2011] [Indexed: 11/23/2022]
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Nochera CL, Goossen LH, Brutus AR, Cristales M, Eastman B. Consumption of DHA + EPA by low-income women during pregnancy and lactation. Nutr Clin Pract 2011; 26:445-50. [PMID: 21724916 DOI: 10.1177/0884533611406133] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022] Open
Abstract
BACKGROUND The ω-3-fatty acid docosahexaenoic acid (DHA) is important in infant brain development and maturation. The advisable intake of the ω-3 fatty acids DHA and eicosapentaenoic acid (EPA) for pregnant and lactating women is 300 mg/d or 9 g/month. The objective of this cross-sectional study was to test the hypothesis that low-income pregnant/or lactating women do not consume advisable amounts of DHA+EPA and to determine whether any of the measured demographic factors were related to DHA and EPA consumption. METHODS This study was conducted September 2007 to March 2008 and used the N-3 Fatty Acid Food Frequency Questionnaire for dietary assessment in a convenience sample of women (N = 68) enrolled in a local maternal infant health program. Women who reported fish or seafood allergies were excluded. The monthly consumption of DHA+EPA from food sources was measured, and participant race, ethnicity, country of origin, primary language, level of education, marital status, intake of prenatal vitamins containing DHA+EPA, and warnings of fish toxicity were assessed. The data were analyzed using 1-way analysis of variance and t tests. RESULTS The average reported DHA+EPA intake was 1.18 g/month across all race/ethnicities. African Americans consumed significantly more DHA+EPA, 2.79 g/month, compared with Hispanics (1.64 g) and Caucasians (0.93 g). United States natives consumed significantly more DHA+EPA than immigrants (2.45 g vs 1.55 g). CONCLUSIONS Low-income pregnant/and lactating women in the study consumed less than the advisable amounts of DHA+EPA. Both ethnicity and country of origin are related to DHA+EPA intake.
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Affiliation(s)
- Carmen L Nochera
- Department of Biomedical Sciences, College of Liberal Arts and Sciences, Grand Valley State University, 1 Campus Drive, Allendale, MI 49401, USA.
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Rioux FM, Bélanger-Plourde J, Leblanc CP, Vigneau F. Relationship Between Maternal DHA and Iron Status: And Infants’ Cognitive Performance. CAN J DIET PRACT RES 2011. [DOI: 10.3148/72.2.2011.76] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022]
Affiliation(s)
- France M. Rioux
- Baccalauréat spécialisé en sciences de la nutrition, Faculté des sciences de la santé, Université d'Ottawa, Ottawa, ON
| | - Josée Bélanger-Plourde
- Centre hospitalier universitaire Dr. Georges-L. Dumont, Membre du Réseau de santé Vitalité, Moncton, NB
| | - Caroline P. Leblanc
- École des sciences des aliments, de nutrition et d’études familiales, Faculté des sciences de la santé et des services communautaires, Université de Moncton, Moncton, NB
| | - François Vigneau
- École de psychologie, Faculté des sciences de la santé et des services communautaires, Université de Moncton, Moncton, NB
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Escolano-Margarit MV, Ramos R, Beyer J, Csábi G, Parrilla-Roure M, Cruz F, Perez-Garcia M, Hadders-Algra M, Gil A, Decsi T, Koletzko BV, Campoy C. Prenatal DHA status and neurological outcome in children at age 5.5 years are positively associated. J Nutr 2011; 141:1216-23. [PMID: 21525247 DOI: 10.3945/jn.110.129635] [Citation(s) in RCA: 66] [Impact Index Per Article: 5.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/26/2023] Open
Abstract
Beneficial effects of perinatal DHA supply on later neurological development have been reported. We assessed the effects of maternal DHA supplementation on the neurological development of their children. Healthy pregnant women from Spain, Germany, and Hungary were randomly assigned to a dietary supplement consisting of either fish oil (FO) (500 mg/d DHA + 150 mg/d EPA), 400 μg/d 5-methyltetrahydrofolate, both, or placebo from wk 20 of gestation until delivery. Fatty acids in plasma and erythrocyte phospholipids (PL) were determined in maternal blood at gestational wk 20 and 30 and in cord and maternal blood at delivery. Neurological development was assessed with the Hempel examination at the age of 4 y and the Touwen examination at 5.5 y. Minor neurological dysfunction, neurological optimality score (NOS), and fluency score did not differ between groups at either age, but the odds of children with the maximal NOS score increased with every unit increment in cord blood DHA level at delivery in plasma PL (95% CI: 1.094-2.262), erythrocyte phosphatidylethanolamine (95% CI: 1.091-2.417), and erythrocyte phosphatidylcholine (95% CI: 1.003-2.643). We conclude that higher DHA levels in cord blood may be related to a better neurological outcome at 5.5 y of age.
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Maternal serum docosahexaenoic acid and schizophrenia spectrum disorders in adult offspring. Schizophr Res 2011; 128:30-6. [PMID: 21324652 PMCID: PMC3085558 DOI: 10.1016/j.schres.2011.01.009] [Citation(s) in RCA: 19] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/05/2010] [Revised: 01/10/2011] [Accepted: 01/11/2011] [Indexed: 11/21/2022]
Abstract
It is believed that during mid-to-late gestation, docosahexaenoic acid (DHA), an n-3 fatty acid, plays an important role in fetal and infant brain development, including neurocognitive and neuromotor functions. Deficits in several such functions have been associated with schizophrenia. Though sufficient levels of DHA appear to be important in neurodevelopment, elevated maternal DHA levels have also been associated with abnormal reproductive outcomes in both animal models and humans. Our objective was to assess whether a disturbance in maternal DHA levels, measured prospectively during pregnancy, was associated with risk of schizophrenia and other schizophrenia spectrum disorders (SSD) in adult offspring. In order to test the hypothesis that abnormal levels of DHA are associated with SSD, a case-control study nested within a large, population-based birth cohort, born from 1959 through 1967 and followed up for SSD from 1981 through 1997, was utilized. Maternal levels of both DHA and arachidonic acid (AA), an n-6 fatty acid, were analyzed in archived maternal sera from 57 cases of SSD and 95 matched controls. There was a greater than twofold increased risk of SSD among subjects exposed to maternal serum DHA in the highest tertile (OR=2.38, 95% CI=1.19, 4.76, p=0.01); no such relationship was found between AA and SSD. These findings suggest that elevated maternal DHA is associated with increased risk for the development of SSD in offspring.
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Consumption of a DHA-containing functional food during pregnancy is associated with lower infant ponderal index and cord plasma insulin concentration. Br J Nutr 2011; 106:208-12. [DOI: 10.1017/s0007114511000961] [Citation(s) in RCA: 28] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
Abstract
DHA (22 : 6n-3) in pregnancy has previously been shown to benefit infant brain and retinal development. Fatty acid consumption during pregnancy may also have an impact on infant adipose tissue development. The objective of the present study was to assess the prenatal impact of a DHA-containing functional food (DHA-FF) on infant intra-uterine growth. This was a longitudinal, randomised, double-blinded, placebo-controlled trial. Pregnant women were assigned to consume a DHA-FF or placebo bar from 24 weeks' gestation until delivery. Blood samples were collected from mothers at baseline and delivery and from the umbilical cord at delivery. Plasma and erythrocyte fatty acids were analysed by GLC and plasma insulin concentrations were analysed using a commercially available ELISA kit. Infant birth weight and length were obtained at delivery and ponderal index (weight (g)/length (cm)3 × 100) was calculated. A total of forty-seven mothers completed the study. Infants of mothers consuming the DHA-FF during the last half of pregnancy had lower ponderal indices (β = 0·198, P < 0·05) and umbilical cord blood insulin concentrations (β = 0·743, P < 0·05) than infants of mothers consuming the placebo. Thus, DHA consumption during pregnancy may be advantageous with respect to infant body composition at birth and insulin sensitivity.
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