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Liu WX, Liu HN, Weng ZP, Geng Q, Zhang Y, Li YF, Shen W, Zhou Y, Zhang T. Maternal vitamin B1 is a determinant for the fate of primordial follicle formation in offspring. Nat Commun 2023; 14:7403. [PMID: 37973927 PMCID: PMC10654754 DOI: 10.1038/s41467-023-43261-8] [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: 11/14/2022] [Accepted: 11/06/2023] [Indexed: 11/19/2023] Open
Abstract
The mediation of maternal-embryonic cross-talk via nutrition and metabolism impacts greatly on offspring health. However, the underlying key interfaces remain elusive. Here, we determined that maternal high-fat diet during pregnancy in mice impaired preservation of the ovarian primordial follicle pool in female offspring, which was concomitant with mitochondrial dysfunction of germ cells. Furthermore, this occurred through a reduction in maternal gut microbiota-related vitamin B1 while the defects were restored via vitamin B1 supplementation. Intriguingly, vitamin B1 promoted acetyl-CoA metabolism in offspring ovaries, contributing to histone acetylation and chromatin accessibility at the promoters of cell cycle-related genes, enhancement of mitochondrial function, and improvement of granulosa cell proliferation. In humans, vitamin B1 is downregulated in the serum of women with gestational diabetes mellitus. In this work, these findings uncover the role of the non-gamete transmission of maternal high-fat diet in influencing offspring oogenic fate. Vitamin B1 could be a promising therapeutic approach for protecting offspring health.
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Affiliation(s)
- Wen-Xiang Liu
- State Key Laboratory of Reproductive Regulation and Breeding of Grassland Livestock (R2BGL), College of Life Sciences, Inner Mongolia University, Hohhot, 010070, China
| | - Hai-Ning Liu
- Department of Reproductive Medicine, Qingdao Municipal Hospital, School of Medicine, Qingdao University, Qingdao, 266011, China
| | - Zhan-Ping Weng
- Department of obstetrical, Qingdao Municipal Hospital, School of Medicine, Qingdao University, Qingdao, 266011, China
| | - Qi Geng
- State Key Laboratory of Reproductive Regulation and Breeding of Grassland Livestock (R2BGL), College of Life Sciences, Inner Mongolia University, Hohhot, 010070, China
| | - Yue Zhang
- State Key Laboratory of Reproductive Regulation and Breeding of Grassland Livestock (R2BGL), College of Life Sciences, Inner Mongolia University, Hohhot, 010070, China
| | - Ya-Feng Li
- State Key Laboratory of Reproductive Regulation and Breeding of Grassland Livestock (R2BGL), College of Life Sciences, Inner Mongolia University, Hohhot, 010070, China
| | - Wei Shen
- College of Life Sciences, Institute of Reproductive Sciences, Qingdao Agricultural University, Qingdao, 266109, China
| | - Yang Zhou
- State Key Laboratory of Reproductive Regulation and Breeding of Grassland Livestock (R2BGL), College of Life Sciences, Inner Mongolia University, Hohhot, 010070, China.
| | - Teng Zhang
- State Key Laboratory of Reproductive Regulation and Breeding of Grassland Livestock (R2BGL), College of Life Sciences, Inner Mongolia University, Hohhot, 010070, China.
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2
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Keating EM, Johnson CR, Cardiel Nunez KE, Fischer PR. Thiamine deficiency disorders in women and children. Paediatr Int Child Health 2023; 43:40-49. [PMID: 36645721 DOI: 10.1080/20469047.2023.2167158] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/05/2022] [Accepted: 10/08/2022] [Indexed: 01/17/2023]
Abstract
Thiamine (vitamin B1) is available in common foods such as the outer husk of rice and is necessary for normal cardiovascular, neurological and metabolic processes. Thiamine deficiency is common in many parts of Asia and Africa, affecting up to a third or more of children and women of child-bearing age. The diagnosis is based on clinical suspicion, especially when noting heart failure in infants, encephalopathy in patients of any age, and peripheral neuropathy in older children and adults. Blood tests for whole-blood thiamine diphosphate (the quantity of biologically active thiamine present) and erythrocyte transketolase activity (the functional impact of thiamine) are not always readily available in areas where thiamine deficiency is common. Treatment is safe and effective, although dosing guidelines vary widely; 50 mg daily for 5 days is probably effective for treating acute thiamine deficiency disorders, and ongoing adequate thiamine intake is also needed. Prevention efforts depend on local and regional circumstances, including dietary diversification, food fortification, and/or supplementation of children and women at risk.Abbreviations: HIC: high-income countries; LMIC: low- and middle-income countries; MRI: magnetic resonance imaging; TDD: thiamine deficiency disorders.
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Affiliation(s)
- Elizabeth M Keating
- Division of Pediatric Emergency Medicine, University of Utah, Salt Lake City, UT, USA
| | - Casey R Johnson
- Department of Paediatric Gastroenterology, Hepatology, and Nutrition, Boston Children's Hospital, Boston, MA, USA
| | | | - Philip R Fischer
- Department of Pediatric and Adolescent Medicine, Mayo Clinic, Rochester, MN, USA
- Department of Pediatrics, Sheikh Shakhbout Medical City, Abu Dhabi, United Arab Emirates
- Khalifa University College of Medicine and Science, Abu Dhabi, United Arab Emirates
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3
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Kareem O, Nisar S, Tanvir M, Muzaffer U, Bader GN. Thiamine deficiency in pregnancy and lactation: implications and present perspectives. Front Nutr 2023; 10:1080611. [PMID: 37153911 PMCID: PMC10158844 DOI: 10.3389/fnut.2023.1080611] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/26/2022] [Accepted: 04/03/2023] [Indexed: 05/10/2023] Open
Abstract
During pregnancy, many physiologic changes occur in order to accommodate fetal growth. These changes require an increase in many of the nutritional needs to prevent long-term consequences for both mother and the offspring. One of the main vitamins that are needed throughout the pregnancy is thiamine (vitamin B1) which is a water-soluble vitamin that plays an important role in many metabolic and physiologic processes in the human body. Thiamine deficiency during pregnancy can cause can have many cardiac, neurologic, and psychological effects on the mother. It can also dispose the fetus to gastrointestinal, pulmonological, cardiac, and neurologic conditions. This paper reviews the recently published literature about thiamine and its physiologic roles, thiamine deficiency in pregnancy, its prevalence, its impact on infants and subsequent consequences in them. This review also highlights the knowledge gaps within these topics.
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Affiliation(s)
- Ozaifa Kareem
- Department of Pharmaceutical Sciences, University of Kashmir, Srinagar, India
- *Correspondence: Ozaifa Kareem, ,
| | - Sobia Nisar
- Department of Medicine, Government Medical College, Srinagar, India
| | - Masood Tanvir
- Department of Medicine, Government Medical College, Srinagar, India
| | - Umar Muzaffer
- Department of Medicine, Government Medical College, Srinagar, India
| | - G. N. Bader
- Department of Pharmaceutical Sciences, University of Kashmir, Srinagar, India
- G. N. Bader,
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4
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Nutrition and health-seeking practices during pregnancy and lactation and potential strategies to increase micronutrient intakes among women in northern Lao PDR. J Nutr Sci 2022; 11:e95. [PMID: 36405099 PMCID: PMC9641509 DOI: 10.1017/jns.2022.94] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/25/2022] [Revised: 09/28/2022] [Accepted: 10/03/2022] [Indexed: 11/07/2022] Open
Abstract
Access to and utilisation of antenatal care (ANC) is important for optimising health and nutrition during pregnancy. This study aimed to assess adherence to and factors associated with ANC and antenatal supplement use among Laotian women, and consider culturally appropriate strategies to increase micronutrient intakes. Mother-child (aged 21 d to <18 months) dyads (n 699) enrolled in a hospital-based prospective cohort study with the community comparison group in Luang Prabang province were interviewed about their antenatal history, supplement use, household sociodemographic and dietary practices, including postpartum food avoidances. Ninety percent of women (mean age 24⋅7 ± 6⋅3 years) reported receiving ANC during their pregnancy, with the majority reporting four to seven contacts, while 84⋅6 and 17⋅3 % reported supplement use during pregnancy and lactation, respectively. Adequate ANC contacts (≥8) and supplement use was more likely among women with complete primary education and from higher socioeconomic status households, and less likely among women belonging to ethnic minority populations and those who delivered their child at home. All women continued to consume salt while adhering to postpartum food avoidances; however, 58⋅5 and 38⋅7 % of habitual consumers restricted fish and soy sauces, respectively. Eighty-six percent of women reported they would be willing to take supplements when adhering to postpartum dietary restrictions. Overall, women's reported ANC attendance and antenatal supplement use was suboptimal. Understanding predictors of and barriers to ANC and supplement use may help implement effective public health strategies to improve adherence. Alongside targeted supplementation, salt fortification with micronutrients may be a viable population-wide intervention that needs further evaluation.
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Spacova I, Ahannach S, Breynaert A, Erreygers I, Wittouck S, Bron PA, Van Beeck W, Eilers T, Alloul A, Blansaer N, Vlaeminck SE, Hermans N, Lebeer S. Spontaneous Riboflavin-Overproducing Limosilactobacillus reuteri for Biofortification of Fermented Foods. Front Nutr 2022; 9:916607. [PMID: 35757245 PMCID: PMC9218631 DOI: 10.3389/fnut.2022.916607] [Citation(s) in RCA: 8] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/09/2022] [Accepted: 05/19/2022] [Indexed: 12/19/2022] Open
Abstract
Riboflavin-producing lactic acid bacteria represent a promising and cost-effective strategy for food biofortification, but production levels are typically insufficient to support daily human requirements. In this study, we describe the novel human isolate Limosilactobacillus reuteri AMBV339 as a strong food biofortification candidate. This strain shows a high natural riboflavin (vitamin B2) overproduction of 18.36 μg/ml, biomass production up to 6 × 1010 colony-forming units/ml (in the typical range of model lactobacilli), and pH-lowering capacities to a pH as low as 4.03 in common plant-based (coconut, soy, and oat) and cow milk beverages when cultured up to 72 h at 37°C. These properties were especially pronounced in coconut beverage and butter milk fermentations, and were sustained in co-culture with the model starter Streptococcus thermophilus. Furthermore, L. reuteri AMBV339 grown in laboratory media or in a coconut beverage survived in gastric juice and in a simulated gastrointestinal dialysis model with colon phase (GIDM-colon system) inoculated with fecal material from a healthy volunteer. Passive transport of L. reuteri AMBV339-produced riboflavin occurred in the small intestinal and colon stage of the GIDM system, and active transport via intestinal epithelial Caco-2 monolayers was also demonstrated. L. reuteri AMBV339 did not cause fecal microbiome perturbations in the GIDM-colon system and inhibited enteric bacterial pathogens in vitro. Taken together, our data suggests that L. reuteri AMBV339 represents a promising candidate to provide riboflavin fortification of plant-based and dairy foods, and has a high application potential in the human gastrointestinal tract.
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Affiliation(s)
- Irina Spacova
- Research Group Environmental Ecology and Applied Microbiology (ENdEMIC), Department of Bioscience Engineering, University of Antwerp, Antwerp, Belgium
| | - Sarah Ahannach
- Research Group Environmental Ecology and Applied Microbiology (ENdEMIC), Department of Bioscience Engineering, University of Antwerp, Antwerp, Belgium
| | - Annelies Breynaert
- Natural Products and Food Research and Analysis (NatuRA), Department of Pharmaceutical Sciences, University of Antwerp, Antwerp, Belgium
| | - Isabel Erreygers
- Research Group Environmental Ecology and Applied Microbiology (ENdEMIC), Department of Bioscience Engineering, University of Antwerp, Antwerp, Belgium
| | - Stijn Wittouck
- Research Group Environmental Ecology and Applied Microbiology (ENdEMIC), Department of Bioscience Engineering, University of Antwerp, Antwerp, Belgium
| | - Peter A Bron
- Research Group Environmental Ecology and Applied Microbiology (ENdEMIC), Department of Bioscience Engineering, University of Antwerp, Antwerp, Belgium
| | - Wannes Van Beeck
- Research Group Environmental Ecology and Applied Microbiology (ENdEMIC), Department of Bioscience Engineering, University of Antwerp, Antwerp, Belgium
| | - Tom Eilers
- Research Group Environmental Ecology and Applied Microbiology (ENdEMIC), Department of Bioscience Engineering, University of Antwerp, Antwerp, Belgium
| | - Abbas Alloul
- Research Group of Sustainable Energy, Air and Water Technology, Department of Bioscience Engineering, University of Antwerp, Antwerp, Belgium
| | - Naïm Blansaer
- Research Group of Sustainable Energy, Air and Water Technology, Department of Bioscience Engineering, University of Antwerp, Antwerp, Belgium
| | - Siegfried E Vlaeminck
- Research Group of Sustainable Energy, Air and Water Technology, Department of Bioscience Engineering, University of Antwerp, Antwerp, Belgium
| | - Nina Hermans
- Natural Products and Food Research and Analysis (NatuRA), Department of Pharmaceutical Sciences, University of Antwerp, Antwerp, Belgium
| | - Sarah Lebeer
- Research Group Environmental Ecology and Applied Microbiology (ENdEMIC), Department of Bioscience Engineering, University of Antwerp, Antwerp, Belgium
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6
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Young BE, Westcott J, Kemp J, Allen L, Hampel D, Garcés AL, Figueroa L, Goudar SS, Dhaded SM, Somannavar M, Saleem S, Ali SA, Hambidge KM, Krebs NF. B-Vitamins and Choline in Human Milk Are Not Impacted by a Preconception Lipid-Based Nutrient Supplement, but Differ Among Three Low-to-Middle Income Settings-Findings From the Women First Trial. Front Nutr 2022; 8:750680. [PMID: 35004801 PMCID: PMC8733746 DOI: 10.3389/fnut.2021.750680] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/21/2021] [Accepted: 11/22/2021] [Indexed: 01/15/2023] Open
Abstract
Introduction: Optimal human milk (HM) B-vitamin concentrations remain undefined, especially in areas where undernutrition is prevalent. The impact of supplementation pre-conception through pregnancy on HM B-vitamin composition remains unknown. Methods: Human milk (HM) was collected at 2-weeks postpartum from 200 women in Guatemala, India, and Pakistan (the Women First Trial). The women were randomized to start a lipid-based nutrient supplement before conception, at end of the first trimester, or not at all; intervention continued until delivery. HM concentrations of eight B-vitamins and choline were assessed via ultra-performance liquid chromatography-tandem mass spectrometry. Maternal diet was assessed in early pregnancy, and infant growth followed through 6 months post-delivery. Results: Despite supplement exposure averaging 15.7 (pre-conception arm) and 6.0 months (prenatal arm), HM B-vitamins did not differ between arms, but site differences were evident. Guatemala had higher HM concentrations of vitamin B3 than Pakistan and India. Pakistan had higher HM concentrations of thiamin and vitamin B6 than India and Guatemala. Cohort average HM vitamin B2 (162 ± 79 μg/L) and B6 (31.8 ± 24.6 μg/L) fell below values defined as deficient in 81.5 and 85.5% of samples, potentially reflecting sampling procedures and timing. Maternal dietary intakes of only vitamin B6 and choline were associated with the corresponding concentrations in HM (p < 0.005). No HM B-vitamin concentrations were associated with infant growth. Conclusion: Prenatal supplementation for at least 6 months had no impact on HM B-vitamin concentrations at 2-weeks postpartum. Results suggest that the adequacy of HM composition was generally maintained, with potential exceptions of vitamin B2 and B6.
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Affiliation(s)
- Bridget E Young
- Department of Pediatrics Allergy and Immunology, University of Rochester School of Medicine and Dentistry, Rochester, NY, United States
| | - Jamie Westcott
- Department of Pediatrics, Section of Nutrition, University of Colorado Anschutz Medical Campus, Aurora, CO, United States
| | - Jennifer Kemp
- Department of Pediatrics, Section of Nutrition, University of Colorado Anschutz Medical Campus, Aurora, CO, United States
| | - Lindsay Allen
- United States Department of Agriculture/Agricultural Research Service, Western Human Nutrition Research Center, Davis, CA, United States.,Department of Nutrition, University of California, Davis, Davis, CA, United States
| | - Daniela Hampel
- United States Department of Agriculture/Agricultural Research Service, Western Human Nutrition Research Center, Davis, CA, United States.,Department of Nutrition, University of California, Davis, Davis, CA, United States
| | - Ana L Garcés
- Department of Maternal and Newborn Health, Institute of Nutrition in Central America and Panama (INCAP), Guatemala City, Guatemala
| | - Lester Figueroa
- Department of Maternal and Newborn Health, Institute of Nutrition in Central America and Panama (INCAP), Guatemala City, Guatemala
| | - Shivaprasad S Goudar
- KLE Academy of Higher Education and Research's, Jawaharlal Nehru Medical College, Belagavi, India
| | - Sangappa M Dhaded
- KLE Academy of Higher Education and Research's, Jawaharlal Nehru Medical College, Belagavi, India
| | - Manjunath Somannavar
- KLE Academy of Higher Education and Research's, Jawaharlal Nehru Medical College, Belagavi, India
| | - Sarah Saleem
- Department of Community Health Sciences, Aga Khan University, Karachi, Pakistan
| | - Sumera Aziz Ali
- Department of Community Health Sciences, Aga Khan University, Karachi, Pakistan
| | - K Michael Hambidge
- Department of Pediatrics, Section of Nutrition, University of Colorado Anschutz Medical Campus, Aurora, CO, United States
| | - Nancy F Krebs
- Department of Pediatrics, Section of Nutrition, University of Colorado Anschutz Medical Campus, Aurora, CO, United States
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7
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Hinnouho GM, Hampel D, Shahab-Ferdows S, Barffour MA, McAnena L, Arnold CD, Ryan Wessells K, Kounnavong S, Allen LH, McNulty H, Hess SY. Daily supplementation of a multiple micronutrient powder improves folate but not thiamine, riboflavin, or vitamin B 12 status among young Laotian children: a randomized controlled trial. Eur J Nutr 2022; 61:3423-3435. [PMID: 35534778 PMCID: PMC9464137 DOI: 10.1007/s00394-022-02890-3] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/13/2021] [Accepted: 04/07/2022] [Indexed: 11/30/2022]
Abstract
PURPOSE To assess the effects of intervention with a daily multiple micronutrient powder (MNP) on thiamine, riboflavin, folate, and B12 status among young Laotian children. METHODS Children (n = 1704) aged 6-23 mo, participating in a double-blind placebo-controlled randomized trial were individually randomized to receive daily either MNP (containing 0.5 mg of thiamine, 0.5 mg riboflavin, 150 μg folic acid, and 0.9 μg vitamin B12 along with 11 other micronutrients) or placebo and followed for ~ 36 weeks. In a randomly selected sub-sample of 260 children, erythrocyte thiamine diphosphate (eThDP), plasma folate and B12 concentrations, and erythrocyte glutathione reductase activation coefficient (EGRac; riboflavin biomarker) were assessed at baseline and endline. RESULTS There was no treatment effect on endline eThDP concentrations (110.6 ± 8.9 nmol/L in MNP vs. 109.4 ± 8.9 nmol/L in placebo group; p = 0.924), EGRac (1.46 ± 0.3 vs. 1.49 ± 0.3; p = 0.184) and B12 concentrations (523.3 ± 24.6 pmol/L vs. 515.9 ± 24.8 pmol/L; p = 0.678). Likewise, the prevalence of thiamine, riboflavin, and B12 deficiencies did not differ significantly between the two groups. However, endline folate concentration was significantly higher in the MNP compared to the placebo group (28.2 ± 0.8 nmol/L vs 19.9 ± 0.8 nmol/L, respectively; p < 0.001), and correspondingly, the prevalence of folate deficiency was significantly lower in the MNP group (1.6% vs 17.4%; p = 0.015). CONCLUSIONS Compared to a placebo, daily MNP for 9 months increased only folate but not thiamine, riboflavin, or B12 status in young Laotian children. TRIAL REGISTRATION The trial was registered at www. CLINICALTRIALS gov (NCT02428647) on April 29 2015.
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Affiliation(s)
- Guy-Marino Hinnouho
- Department of Nutrition, Institute for Global Nutrition, University of California, Davis, CA, USA. .,Helen Keller International, Washington, DC, USA.
| | - Daniela Hampel
- Department of Nutrition, Institute for Global Nutrition, University of California, Davis, CA USA ,USDA, ARS Western Human Nutrition Research Center, Davis, CA USA
| | | | - Maxwell A. Barffour
- Department of Nutrition, Institute for Global Nutrition, University of California, Davis, CA USA ,University of Missouri School of Medicine, Columbia, MO USA ,Public Health Program, College of Health and Human Services, Missouri State University, Springfield, MO USA
| | - Liadhan McAnena
- Nutrition Innovation Centre for Food and Health (NICHE), School of Biomedical Sciences, Ulster University, Coleraine, Northern Ireland UK
| | - Charles D. Arnold
- Department of Nutrition, Institute for Global Nutrition, University of California, Davis, CA USA
| | - K. Ryan Wessells
- Department of Nutrition, Institute for Global Nutrition, University of California, Davis, CA USA
| | - Sengchanh Kounnavong
- Lao Tropical and Public Health Institute, Vientiane, Lao People’s Democratic Republic
| | - Lindsay H. Allen
- Department of Nutrition, Institute for Global Nutrition, University of California, Davis, CA USA ,USDA, ARS Western Human Nutrition Research Center, Davis, CA USA
| | - Helene McNulty
- Nutrition Innovation Centre for Food and Health (NICHE), School of Biomedical Sciences, Ulster University, Coleraine, Northern Ireland UK
| | - Sonja Y. Hess
- Department of Nutrition, Institute for Global Nutrition, University of California, Davis, CA USA
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8
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Whitfield KC, Smith TJ, Rohner F, Wieringa FT, Green TJ. Thiamine fortification strategies in low- and middle-income settings: a review. Ann N Y Acad Sci 2021; 1498:29-45. [PMID: 33496051 PMCID: PMC8451796 DOI: 10.1111/nyas.14565] [Citation(s) in RCA: 13] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/09/2020] [Revised: 12/30/2020] [Accepted: 01/09/2021] [Indexed: 12/13/2022]
Abstract
Thiamine (vitamin B1 ) is an essential micronutrient in energy metabolism and cognitive and neurological health. Thiamine deficiency disorders (TDDs) have a range of clinical presentations that result in various morbidities and can be fatal if not promptly recognized and treated, especially in infants. To intervene, thiamine intakes by breastfeeding mothers and others at risk of thiamine deficiency should be increased to ensure adequate thiamine intake. Although thiamine fortification programs have a long history in high-income countries, there are few mandatory fortification programs to address TDDs in low- and middle-income countries (LMICs), particularly in the regions of greatest concern, South and Southeast Asia. This review highlights essential aspects for consideration in the development of a mandatory fortification program in LMICs, including an overview of the data required to model fortification dosing schemes, available thiamine fortificants, and potential fortification vehicles, as well as identifies current knowledge gaps.
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Affiliation(s)
- Kyly C. Whitfield
- Department of Applied Human NutritionMount Saint Vincent UniversityHalifaxNova ScotiaCanada
| | - Taryn J. Smith
- Institute for Global NutritionUniversity of California DavisDavisCalifornia
| | | | - Frank T. Wieringa
- UMR‐95 QualiSud, French National Research Institute for Sustainable Development (IRD)CIRAD/IRD/University of Montpellier/SupAgro/University of Avignon/University of RéunionAvignonFrance
| | - Tim J. Green
- SAHMRI Women and KidsSouth Australian Health and Medical Research InstituteAdelaideSouth AustraliaAustralia
- School of MedicineUniversity of AdelaideAdelaideSouth AustraliaAustralia
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9
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Windus JL, Burrows TL, Duncanson K, Collins CE, Rollo ME. Scoping review of nutrition intervention and dietary assessment studies in Khmer populations living in Cambodia. J Hum Nutr Diet 2021; 34:953-968. [PMID: 34231266 DOI: 10.1111/jhn.12932] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/26/2021] [Accepted: 06/04/2021] [Indexed: 12/12/2022]
Abstract
BACKGROUND This scoping review aims to describe the body of nutrition intervention and dietary assessment research undertaken with Khmer populations in Cambodia, as well as summarise the nutrition knowledge base and highlight priority areas for future research. METHODS Five databases and the grey literature were searched, following PRISMA-ScR guidelines. Studies involving dietary assessment or nutrition interventions published after 1992 were identified using specific search terms and extracted to a customised data extraction table for categorisation and analysis. Study participants were Khmer people of any age and gender, living in rural or urban Cambodia. RESULTS Of the 100 included studies, 58 were dietary assessment only studies, 24 were nutrition interventions only, and 18 studies involved both assessment of intake and an intervention. Sixty-eight percent of study populations were mothers and young children, of which 52 studies focused on children aged under 5 years. Nineteen interventions involved supplementation and six trialled fortification of rice or fish sauce. Anaemia was the most common nutrition condition studied (n = 17), followed by malnutrition (n = 15) and malnutrition risk factors (n = 11). General nutrition status was explored in 25 studies, and individual micronutrients that were studied included iron (n = 27), zinc (n = 6), vitamin A (n = 4) and thiamine (n = 3). CONCLUSIONS Diet-related research in Khmer populations in Cambodia has predominantly focused on dietary assessment or evaluation of interventions aimed at reducing malnutrition and resolving micronutrient deficiencies. Areas identified as emerging needs included non-communicable diseases, the ageing population and non-iron deficiency anaemia.
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Affiliation(s)
- Janelle L Windus
- Faculty of Health and Medicine, School of Health Sciences University of Newcastle, University Drive, Callaghan, NSW, Australia
| | - Tracy L Burrows
- Faculty of Health and Medicine, School of Health Sciences University of Newcastle, University Drive, Callaghan, NSW, Australia
| | - Kerith Duncanson
- Faculty of Health and Medicine, School of Health Sciences University of Newcastle, University Drive, Callaghan, NSW, Australia
| | - Clare E Collins
- Faculty of Health and Medicine, School of Health Sciences University of Newcastle, University Drive, Callaghan, NSW, Australia
| | - Megan E Rollo
- Faculty of Health and Medicine, School of Health Sciences University of Newcastle, University Drive, Callaghan, NSW, Australia
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10
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Gallant J, Chan K, Green TJ, Wieringa FT, Leemaqz S, Ngik R, Measelle JR, Baldwin DA, Borath M, Sophonneary P, Yelland LN, Hampel D, Shahab-Ferdows S, Allen LH, Jones KS, Koulman A, Parkington DA, Meadows SR, Kroeun H, Whitfield KC. Low-dose thiamine supplementation of lactating Cambodian mothers improves human milk thiamine concentrations: a randomized controlled trial. Am J Clin Nutr 2021; 114:90-100. [PMID: 33829271 PMCID: PMC8246599 DOI: 10.1093/ajcn/nqab052] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/02/2020] [Accepted: 02/09/2021] [Indexed: 01/09/2023] Open
Abstract
BACKGROUND Infantile beriberi-related mortality is still common in South and Southeast Asia. Interventions to increase maternal thiamine intakes, and thus human milk thiamine, are warranted; however, the required dose remains unknown. OBJECTIVES We sought to estimate the dose at which additional maternal intake of oral thiamine no longer meaningfully increased milk thiamine concentrations in infants at 24 wk postpartum, and to investigate the impact of 4 thiamine supplementation doses on milk and blood thiamine status biomarkers. METHODS In this double-blind, 4-parallel arm randomized controlled dose-response trial, healthy mothers were recruited in Kampong Thom, Cambodia. At 2 wk postpartum, women were randomly assigned to consume 1 capsule, containing 0, 1.2 (estimated average requirement), 2.4, or 10 mg of thiamine daily from 2 through 24 weeks postpartum. Human milk total thiamine concentrations were measured using HPLC. An Emax curve was plotted, which was estimated using a nonlinear least squares model in an intention-to-treat analysis. Linear mixed-effects models were used to test for differences between treatment groups. Maternal and infant blood thiamine biomarkers were also assessed. RESULTS In total, each of 335 women was randomly assigned to1 of the following thiamine-dose groups: placebo (n = 83), 1.2 mg (n = 86), 2.4 mg (n = 81), and 10 mg (n = 85). The estimated dose required to reach 90% of the maximum average total thiamine concentration in human milk (191 µg/L) is 2.35 (95% CI: 0.58, 7.01) mg/d. The mean ± SD milk thiamine concentrations were significantly higher in all intervention groups (183 ± 91, 190 ± 105, and 206 ± 89 µg/L for 1.2, 2.4, and 10 mg, respectively) compared with the placebo group (153 ± 85 µg/L; P < 0.0001) and did not significantly differ from each other. CONCLUSIONS A supplemental thiamine dose of 2.35 mg/d was required to achieve a milk total thiamine concentration of 191 µg/L. However, 1.2 mg/d for 22 wk was sufficient to increase milk thiamine concentrations to similar levels achieved by higher supplementation doses (2.4 and 10 mg/d), and comparable to those of healthy mothers in regions without beriberi. This trial was registered at clinicaltrials.gov as NCT03616288.
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Affiliation(s)
- Jelisa Gallant
- Department of Applied Human Nutrition, Mount Saint Vincent University, Halifax, NS Canada
| | - Kathleen Chan
- Department of Applied Human Nutrition, Mount Saint Vincent University, Halifax, NS Canada
| | - Tim J Green
- South Australian Health and Medical Research Institute, Adelaide, SA, Australia,School of Medicine, University of Adelaide, Adelaide, SA, Australia
| | - Frank T Wieringa
- UMR-204, Institut de recherche pour le développement, UM/IRD/SupAgro, Montpellier, France
| | - Shalem Leemaqz
- South Australian Health and Medical Research Institute, Adelaide, SA, Australia
| | - Rem Ngik
- Helen Keller International Cambodia, Phnom Penh, Cambodia
| | | | - Dare A Baldwin
- Department of Psychology, University of Oregon, Eugene, OR, USA
| | - Mam Borath
- National Subcommittee for Food Fortification, Cambodia Ministry of Planning, Phnom Penh, Cambodia
| | - Prak Sophonneary
- National Nutrition Programme, Maternal and Child Health Centre, Cambodia Ministry of Health, Phnom Penh, Cambodia
| | - Lisa N Yelland
- South Australian Health and Medical Research Institute, Adelaide, SA, Australia,School of Public Health, University of Adelaide, Adelaide, SA, Australia
| | - Daniela Hampel
- USDA, ARS Western Human Nutrition Research Center, University of California, Davis, CA, USA,Department of Nutrition, University of California, Davis, CA, USA
| | - Setareh Shahab-Ferdows
- USDA, ARS Western Human Nutrition Research Center, University of California, Davis, CA, USA,Department of Nutrition, University of California, Davis, CA, USA
| | - Lindsay H Allen
- USDA, ARS Western Human Nutrition Research Center, University of California, Davis, CA, USA,Department of Nutrition, University of California, Davis, CA, USA
| | - Kerry S Jones
- NIHR BRC Nutritional Biomarker Laboratory, MRC Epidemiology Unit, University of Cambridge, Cambridge, United Kingdom
| | - Albert Koulman
- NIHR BRC Nutritional Biomarker Laboratory, MRC Epidemiology Unit, University of Cambridge, Cambridge, United Kingdom
| | - Damon A Parkington
- NIHR BRC Nutritional Biomarker Laboratory, MRC Epidemiology Unit, University of Cambridge, Cambridge, United Kingdom
| | - Sarah R Meadows
- NIHR BRC Nutritional Biomarker Laboratory, MRC Epidemiology Unit, University of Cambridge, Cambridge, United Kingdom
| | - Hou Kroeun
- Helen Keller International Cambodia, Phnom Penh, Cambodia
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11
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Smith TJ, Hess SY. Infantile thiamine deficiency in South and Southeast Asia: An age-old problem needing new solutions. NUTR BULL 2021; 46:12-25. [PMID: 33776582 PMCID: PMC7986856 DOI: 10.1111/nbu.12481] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/01/2020] [Revised: 11/23/2020] [Accepted: 12/22/2020] [Indexed: 12/29/2022]
Abstract
Infantile beriberi, a potentially fatal disorder caused by thiamine deficiency, is often viewed as a disease confined to history in regions of the world with predominant white rice consumption. Recent case reports have, however, highlighted the persistence of thiamine deficiency as a cause of infant mortality in South and Southeast Asia. Low infant thiamine status and incidence of beriberi is attributable to maternal thiamine deficiency and insufficient breast milk thiamine. Poor dietary diversity, food preparation and cooking practices and traditional post‐partum food restrictions likely play a role in these high‐risk regions. Given the contribution of thiamine deficiency to infant mortality and emerging evidence of long‐lasting neurodevelopmental deficits of severe and even subclinical deficiency in early life, public health strategies to prevent thiamine deficiency are urgently needed. However, efforts are hampered by uncertainties surrounding the identification and assessment of thiamine deficiency, due to the broad non‐specific clinical manifestations, commonly referred to as thiamine deficiency disorders (TDD), that overlap with other conditions resulting in frequent misdiagnosis and missed treatment opportunities, and secondly the lack of readily available and agreed upon biomarker analysis and cut‐off thresholds. This review will discuss the key challenges and limitations in the current understanding of TDD and explore how ongoing initiatives plan to fill persistent knowledge gaps, namely in the development of a standardised case definition to help more accurately diagnose and treat TDD in low‐resource settings. Given more attention and ensuring greater recognition of TDD will support the design and implementation of treatment and prevention programmes, and ensure beriberi can truly be considered ‘the forgotten disease of Asia’.
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Affiliation(s)
- T J Smith
- Institute for Global Nutrition University of California Davis Davis CA USA
| | - S Y Hess
- Institute for Global Nutrition University of California Davis Davis CA USA
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12
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Chan K, Gallant J, Leemaqz S, Baldwin DA, Borath M, Kroeun H, Measelle JR, Ngik R, Prak S, Wieringa FT, Yelland LN, Green TJ, Whitfield KC. Assessment of salt intake to consider salt as a fortification vehicle for thiamine in Cambodia. Ann N Y Acad Sci 2021; 1498:85-95. [PMID: 33415757 PMCID: PMC8451827 DOI: 10.1111/nyas.14562] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/05/2020] [Revised: 12/08/2020] [Accepted: 12/17/2020] [Indexed: 02/06/2023]
Abstract
Thiamine deficiency is a public health issue in Cambodia. Thiamine fortification of salt has been proposed; however, the salt intake of lactating women, the target population, is currently unknown. We estimated salt intakes among lactating women (<6 months postpartum) using three methods: repeat observed-weighed intake records and 24-h urinary sodium excretions (n = 104), and household salt disappearance (n = 331). Usual salt intake was estimated by adjusting for intraindividual intakes using the National Cancer Institute method, and a thiamine salt fortification scenario was modeled using a modified estimated average requirement (EAR) cut-point method. Unadjusted salt intake from observed intakes was 9.3 (8.3-10.3) g/day, which was not different from estimated salt intake from urinary sodium excretions, 9.0 (8.4-9.7) g/day (P = 0.3). Estimated salt use from household salt disappearance was 11.3 (10.7-11.9) g/person/day. Usual (adjusted) salt intake from all sources was 7.7 (7.4-8.0) g/day. Assuming no stability losses, a modeled fortification dose of 275 mg thiamine/kg salt could increase thiamine intakes from fortified salt to 2.1 (2.0-2.2) mg/day, with even low salt consumers reaching the EAR of 1.2 mg/day from fortified salt alone. These findings, in conjunction with future sensory and stability research, can inform a potential salt fortification program in Cambodia.
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Affiliation(s)
- Kathleen Chan
- Department of Applied Human Nutrition, Mount Saint Vincent University, Halifax, Nova Scotia, Canada
| | - Jelisa Gallant
- Department of Applied Human Nutrition, Mount Saint Vincent University, Halifax, Nova Scotia, Canada
| | - Shalem Leemaqz
- Women and Kids Theme, South Australian Health and Medical Research Institute, Adelaide, South Australia, Australia
| | - Dare A Baldwin
- Department of Psychology, University of Oregon, Eugene, Oregon
| | - Mam Borath
- National Sub-Committee for Food Fortification, Cambodia Ministry of Planning, Phnom Penh, Cambodia
| | - Hou Kroeun
- Cambodia Country Office, Helen Keller International, Cambodia, Phnom Penh, Cambodia
| | | | - Rem Ngik
- Cambodia Country Office, Helen Keller International, Cambodia, Phnom Penh, Cambodia
| | - Sophonneary Prak
- National Nutrition Programme, Cambodia Ministry of Health, Phnom Penh, Cambodia
| | - Frank T Wieringa
- UMR-204 NutriPass, Institut de recherche pour le développement, Montpellier, France
| | - Lisa N Yelland
- Women and Kids Theme, South Australian Health and Medical Research Institute, Adelaide, South Australia, Australia.,School of Public Health, The University of Adelaide, Adelaide, South Australia, Australia
| | - Tim J Green
- Women and Kids Theme, South Australian Health and Medical Research Institute, Adelaide, South Australia, Australia.,School of Medicine, The University of Adelaide, Adelaide, South Australia, Australia
| | - Kyly C Whitfield
- Department of Applied Human Nutrition, Mount Saint Vincent University, Halifax, Nova Scotia, Canada
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13
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Smith TJ, Johnson CR, Koshy R, Hess SY, Qureshi UA, Mynak ML, Fischer PR. Thiamine deficiency disorders: a clinical perspective. Ann N Y Acad Sci 2020; 1498:9-28. [PMID: 33305487 PMCID: PMC8451766 DOI: 10.1111/nyas.14536] [Citation(s) in RCA: 58] [Impact Index Per Article: 14.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/23/2020] [Revised: 10/22/2020] [Accepted: 10/27/2020] [Indexed: 12/14/2022]
Abstract
Thiamine is an essential water‐soluble vitamin that plays an important role in energy metabolism. Thiamine deficiency presents many challenges to clinicians, in part due to the broad clinical spectrum, referred to as thiamine deficiency disorders (TDDs), affecting the metabolic, neurologic, cardiovascular, respiratory, gastrointestinal, and musculoskeletal systems. Concurrent illnesses and overlapping signs and symptoms with other disorders can further complicate this. As such, TDDs are frequently misdiagnosed and treatment opportunities missed, with fatal consequences or permanent neurologic sequelae. In the absence of specific diagnostic tests, a low threshold of clinical suspicion and early therapeutic thiamine is currently the best approach. Even in severe cases, rapid clinical improvement can occur within hours or days, with neurological involvement possibly requiring higher doses and a longer recovery time. Active research aims to help better identify patients with thiamine‐responsive disorders and future research is needed to determine effective dosing regimens for the various clinical presentations of TDDs. Understanding the clinical diagnosis and global burden of thiamine deficiency will help to implement national surveillance and population‐level prevention programs, with education to sensitize clinicians to TDDs. With concerted effort, the morbidity and mortality related to thiamine deficiency can be reduced.
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Affiliation(s)
- Taryn J Smith
- Institute for Global Nutrition, University of California Davis, Davis, California
| | - Casey R Johnson
- Pediatric and Adolescent Medicine, Mayo Clinic, Rochester, Minnesota
| | - Roshine Koshy
- Makunda Christian Leprosy and General Hospital, Karimganj, Assam, India
| | - Sonja Y Hess
- Institute for Global Nutrition, University of California Davis, Davis, California
| | - Umar A Qureshi
- G.B. Pant Hospital, Government Medical College, Srinagar, Jammu and Kashmir, India
| | - Mimi Lhamu Mynak
- Jigme Dorji Wangchuck National Referral Hospital, Thimphu, Bhutan
| | - Philip R Fischer
- Pediatric and Adolescent Medicine, Mayo Clinic, Rochester, Minnesota
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14
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Donohue JA, Solomons NW, Hampel D, Shahab-Ferdows S, Orozco MN, Allen LH. Micronutrient supplementation of lactating Guatemalan women acutely increases infants' intake of riboflavin, thiamin, pyridoxal, and cobalamin, but not niacin, in a randomized crossover trial. Am J Clin Nutr 2020; 112:669-682. [PMID: 32649760 PMCID: PMC7690764 DOI: 10.1093/ajcn/nqaa147] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/30/2019] [Accepted: 05/18/2020] [Indexed: 12/15/2022] Open
Abstract
BACKGROUND Maternal supplementation during lactation could increase milk B-vitamin concentrations, but little is known about the kinetics of milk vitamin responses. OBJECTIVES We compared acute effects of maternal lipid-based nutrient supplement (LNS) consumption (n = 22 nutrients, 175%-212% of the RDA intake for the nutrients examined), as a single dose or at spaced intervals during 8 h, on milk concentrations and infant intake from milk of B-vitamins. METHODS This randomized crossover trial in Quetzaltenango, Guatemala included 26 mother-infant dyads 4-6 mo postpartum who were randomly assigned to receive 3 treatments in a random order: bolus 30-g dose of LNS (Bolus); 3 × 10-g doses of LNS (Divided); and no LNS (Control), with control meals. Mothers attended three 8-h visits during which infant milk consumption was measured and milk samples were collected at every feed. Infant intake was assessed as $\mathop \sum \nolimits_{i\ = \ 1}^n ( {{\rm{milk\ volum}}{{\rm{e}}_{{\rm{feed\ }}n}} \times \ {\rm{nutrient\ concentratio}}{{\rm{n}}_{{\rm{feed}}\ n}}} )$ over 8 h. RESULTS Maternal supplementation with the Bolus or Divided dose increased least-squares mean (95% CI) milk and infant intakes of riboflavin [milk: Bolus: 154.4 (138.2, 172.5) μg · min-1 · mL-1; Control: 84.5 (75.8, 94.3) μg · min-1 · mL-1; infant: Bolus: 64.5 (56.1, 74.3) μg; Control: 34.5 (30.0, 39.6) μg], thiamin [milk: Bolus: 10.9 (10.1, 11.7) μg · min-1 · mL-1; Control: 7.7 (7.2, 8.3) μg · min-1 · mL-1; infant: Bolus: 5.1 (4.4, 6.0) μg; Control: 3.4 (2.9, 4.0) μg], and pyridoxal [milk: Bolus: 90.5 (82.8, 98.9) μg · min-1 · mL-1; Control: 60.8 (55.8, 66.3) μg · min-1 · mL-1; infant: Bolus: 39.4 (33.5, 46.4) μg; Control: 25.0 (21.4, 29.2) μg] (all P < 0.001). Only the Bolus dose increased cobalamin in milk [Bolus: 0.054 (0.047, 0.061) μg · min-1 · mL-1; Control: 0.041 (0.035, 0.048) μg · min-1 · mL-1, P = 0.039] and infant cobalamin intake [Bolus: 0.023 (0.020, 0.027) μg; Control: 0.015 (0.013, 0.018) μg, P = 0.001] compared with Control. Niacin was unaffected. CONCLUSIONS Maternal supplementation with LNS as a Bolus or Divided dose was similarly effective at increasing milk riboflavin, thiamin, and pyridoxal and infant intakes, whereas only the Bolus dose increased cobalamin. Niacin was unaffected in 8 h. This trial was registered at clinicaltrials.gov as NCT02464111.
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Affiliation(s)
- Juliana A Donohue
- Present address for JAD: Basics Nutrition Research, 18555 SW Teton Ave., Tualatin, OR 97062, USA
| | - Noel W Solomons
- Center for Studies of Sensory Impairment, Aging and Metabolism, Guatemala City, Guatemala
| | - Daniela Hampel
- Western Human Nutrition Research Center, Agricultural Research Service, USDA, Davis, CA, USA,Department of Nutrition, University of California, Davis, CA, USA
| | - Setareh Shahab-Ferdows
- Western Human Nutrition Research Center, Agricultural Research Service, USDA, Davis, CA, USA
| | - Mónica N Orozco
- Center for Atitlán Studies, Universidad del Valle de Guatemala, Sololá, Guatemala
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15
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Whitfield KC, Shahab-Ferdows S, Kroeun H, Sophonneary P, Green TJ, Allen LH, Hampel D. Macro- and Micronutrients in Milk from Healthy Cambodian Mothers: Status and Interrelations. J Nutr 2020; 150:1461-1469. [PMID: 32211800 PMCID: PMC7269724 DOI: 10.1093/jn/nxaa070] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/04/2019] [Revised: 01/17/2020] [Accepted: 02/28/2020] [Indexed: 12/28/2022] Open
Abstract
BACKGROUND Except for low thiamin content, little is known about vitamins or macronutrients in milk from Cambodian mothers, and associations among milk nutrients. OBJECTIVES We measured fat-soluble vitamins (FSVs) and water-soluble vitamins (WSVs), and macronutrients, and explored internutrient associations in milk from Cambodian mothers. METHODS Milk from women (aged 18-45 y, 3-27 wk postpartum, n = 68) who participated in a thiamin-fortification trial were analyzed for vitamins B-2 (riboflavin, FAD), B-3 (nicotinamide), B-5, B-6 (pyridoxal, pyridoxine), B-7, B-12, A, E [α-tocopherol and γ-tocopherol (γ-TPH)], carotenoids, carbohydrate (CHO), fat, and protein. Milk vitamin B-1 [thiamin, thiamin monophosphate (TMP), thiamin pyrophosphate (TPP)] was previously assessed for fortification effects. Milk nutrient concentrations were compared with the Adequate Intake (AI) values for infants aged 0-6 mo. Pearson correlation was used to examine internutrient associations after excluding nutrients affected by fortification. RESULTS Fortification increased thiamin and B-1 and decreased γ-TPH. Less than 40% of milk samples met the AIs for all vitamins, and 10 samples did not reach any AI values for the analyzed nutrients. CHO, fat, and energy values were met in 1.5-11.8%, and protein in 48.5%, of the samples. Whereas fat, protein, and energy were related (all r < 0.5; P < 0.001) and associated with FSVs and WSVs, CHO correlated only with some WSVs. TPP was not correlated with B-1 vitamers, but with other WSVs (r = 0.28-0.58; P < 0.019). All FSVs, except α-carotene, were correlated with each other (r = 0.42-0.98; P < 0.002). TPP, FAD, B-2, and B-3 were associated with almost all FSVs (r = 0.24-0.63; P < 0.044). CONCLUSIONS Cambodian women might not provide sufficient nutrients to their exclusively breastfeeding infants. Besides thiamin, all other vitamins measured were much lower than the AI. There were many strong correlations among macronutrients and vitamins; the extent to which these are explained by maternal diet, milk volume, maternal physiology, or genetics requires additional exploration.
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Affiliation(s)
- Kyly C Whitfield
- Department of Applied Human Nutrition, Mount Saint Vincent University, Halifax, Nova Scotia, Canada,Food, Nutrition, and Health, University of British Columbia, Vancouver, British Columbia, Canada
| | - Setareh Shahab-Ferdows
- USDA/ARS Western Human Nutrition Research Center, University of California, Davis, CA, USA
| | - Hou Kroeun
- Helen Keller International Cambodia, Phnom Penh, Cambodia
| | - Prak Sophonneary
- National Nutrition Programme, Maternal and Child Health Centre, Ministry of Health, Phnom Penh, Cambodia
| | - Timothy J Green
- Food, Nutrition, and Health, University of British Columbia, Vancouver, British Columbia, Canada,Women and Kids Theme, South Australia Health and Medical Research Institute, Adelaide, South Australia, Australia,Discipline of Paediatrics, University of Adelaide, Adelaide, South Australia, Australia
| | - Lindsay H Allen
- USDA/ARS Western Human Nutrition Research Center, University of California, Davis, CA, USA,Department of Nutrition, University of California, Davis, CA, USA
| | - Daniela Hampel
- USDA/ARS Western Human Nutrition Research Center, University of California, Davis, CA, USA,Department of Nutrition, University of California, Davis, CA, USA,Address correspondence to DH (e-mail: ; )
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16
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Daniels L, Gibson RS, Diana A, Haszard JJ, Rahmannia S, Luftimas DE, Hampel D, Shahab-Ferdows S, Reid M, Melo L, Lamers Y, Allen LH, Houghton LA. Micronutrient intakes of lactating mothers and their association with breast milk concentrations and micronutrient adequacy of exclusively breastfed Indonesian infants. Am J Clin Nutr 2019; 110:391-400. [PMID: 31152543 PMCID: PMC6669051 DOI: 10.1093/ajcn/nqz047] [Citation(s) in RCA: 48] [Impact Index Per Article: 9.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/05/2018] [Accepted: 03/11/2019] [Indexed: 01/09/2023] Open
Abstract
BACKGROUND Breast milk is the sole source of nutrition for exclusively breastfed infants in the first 6 mo of life, yet few studies have measured micronutrient concentrations in breast milk in light of maternal diet and subsequent infant micronutrient intakes. OBJECTIVES We evaluated the adequacy of micronutrient intakes of exclusively breastfed Indonesian infants by measuring milk volume and micronutrient concentrations and assessed maternal micronutrient intakes and their relationship with milk concentrations. METHODS Mother-infant (2-5.3 mo) dyads (n = 113) were recruited for this cross-sectional study. Volume of breast-milk intake via the deuterium dose-to-mother technique over 14 d and analyzed micronutrient concentrations were used to calculate micronutrient intakes of exclusively breastfed infants. Maternal 3-d weighed food records were collected to assess median (IQR) micronutrient intakes. Multivariate regression analyses examined the association of usual maternal micronutrient intakes with milk micronutrient concentrations after adjustment for confounding variables. RESULTS Mean ± SD intake of breast-milk volume was 787 ± 148 mL/d. Median daily infant intakes of iron, zinc, selenium, magnesium, sodium, and B-vitamins (thiamin, riboflavin, niacin, pantothenic acid, B-6, and B-12) were below their respective Adequate Intakes. Inadequacies in maternal intakes (as % < estimated average requirements) were >40% for calcium, niacin, and vitamins A, B-6, and B-12. Significant positive associations existed between maternal usual intakes of vitamin A, niacin and riboflavin and milk retinol, nicotinamide, and free riboflavin concentrations in both unadjusted and adjusted (for infant age, milk volume, and parity) analyses (all P < 0.05). CONCLUSIONS The majority of micronutrient intakes for these exclusively breastfed infants and their mothers fell below recommendations, with associations between maternal intakes and breast-milk concentrations for 3 nutrients. Data on nutrient requirements of exclusively breastfed infants are limited, and a better understanding of the influence of maternal nutritional status on milk nutrient concentrations and its impact on the breastfed infant is needed.
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Affiliation(s)
| | | | - Aly Diana
- Departments of Human Nutrition.,Faculty of Medicine, Universitas Padjadjaran, West Java, Indonesia
| | | | - Sofa Rahmannia
- Faculty of Medicine, Universitas Padjadjaran, West Java, Indonesia
| | - Dimas E Luftimas
- Faculty of Medicine, Universitas Padjadjaran, West Java, Indonesia
| | - Daniela Hampel
- USDA/ARS Western Human Nutrition Research Center, Davis, CA.,Department of Nutrition, University of California, Davis, CA
| | | | - Malcolm Reid
- Chemistry, University of Otago, Dunedin, New Zealand
| | - Larisse Melo
- Faculty of Land and Food Systems, University of British Columbia, Vancouver, Canada.,British Columbia Children's Hospital Research Institute, Vancouver, Canada
| | - Yvonne Lamers
- Faculty of Land and Food Systems, University of British Columbia, Vancouver, Canada.,British Columbia Children's Hospital Research Institute, Vancouver, Canada
| | - Lindsay H Allen
- USDA/ARS Western Human Nutrition Research Center, Davis, CA.,Department of Nutrition, University of California, Davis, CA
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17
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Whitfield KC, Kroeun H, Green T, Wieringa FT, Borath M, Sophonneary P, Measelle JR, Baldwin D, Yelland LN, Leemaqz S, Chan K, Gallant J. Thiamine dose response in human milk with supplementation among lactating women in Cambodia: study protocol for a double-blind, four-parallel arm randomised controlled trial. BMJ Open 2019; 9:e029255. [PMID: 31292183 PMCID: PMC6624064 DOI: 10.1136/bmjopen-2019-029255] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/18/2019] [Revised: 04/23/2019] [Accepted: 06/13/2019] [Indexed: 11/04/2022] Open
Abstract
INTRODUCTION Thiamine (vitamin B1) deficiency remains a concern in Cambodia where women with low thiamine intake produce thiamine-poor milk, putting their breastfed infants at risk of impaired cognitive development and potentially fatal infantile beriberi. Thiamine fortification of salt is a potentially low-cost, passive means of combating thiamine deficiency; however, both the dose of thiamine required to optimise milk thiamine concentrations as well as usual salt intake of lactating women are unknown. METHODS AND ANALYSIS In this community-based randomised controlled trial, 320 lactating women from Kampong Thom, Cambodia will be randomised to one of four groups to consume one capsule daily containing 0, 1.2, 2.4 or 10 mg thiamine as thiamine hydrochloride, between 2 and 24 weeks postnatal. The primary objective is to estimate the dose where additional maternal intake of thiamine no longer meaningfully increases infant thiamine diphosphate concentrations 24 weeks postnatally. At 2, 12 and 24 weeks, we will collect sociodemographic, nutrition and health information, a battery of cognitive assessments, maternal (2 and 24 weeks) and infant (24 weeks only) venous blood samples (biomarkers: ThDP and transketolase activity) and human milk samples (also at 4 weeks; biomarker: milk thiamine concentrations). All participants and their families will consume study-provided salt ad libitum throughout the trial, and we will measure salt disappearance each fortnight. Repeat weighed salt intakes and urinary sodium concentrations will be measured among a subset of 100 participants. Parameters of Emax dose-response curves will be estimated using non-linear least squares models with both 'intention to treat' and a secondary 'per-protocol' (capsule compliance ≥80%) analyses. ETHICS AND DISSEMINATION Ethical approval was obtained in Cambodia (National Ethics Committee for Health Research 112/250NECHR), Canada (Mount Saint Vincent University Research Ethics Board 2017-141) and the USA (University of Oregon Institutional Review Board 07052018.008). Results will be shared with participants' communities, as well as relevant government and scientific stakeholders via presentations, academic manuscripts and consultations. TRIAL REGISTRATION NUMBER NCT03616288.
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Affiliation(s)
| | - Hou Kroeun
- Helen Keller International Cambodia, Phnom Penh, Cambodia
| | - Tim Green
- South Australian Health & Medical Research Institute, Adelaide, Australia
| | - Frank T Wieringa
- UMR-204 Nutripass, Institut de Recherche pour le Développement, UM/IRD/Supagro, Montpellier, France
| | - Mam Borath
- National Sub-Committee for Food Fortification, Cambodia Ministry of Planning, Phnom Penh, Cambodia
| | - Prak Sophonneary
- National Nutrition Programme, Maternal and Child Health Centre, Cambodia Ministry of Health, Phnom Penh, Cambodia
| | | | - Dare Baldwin
- Department of Psychology, University of Oregon, Eugene, Oregon, USA
| | - Lisa N Yelland
- South Australian Health & Medical Research Institute, Adelaide, Australia
- School of Public Health, University of Adelaide, Adelaide, South Australia, Australia
| | - Shalem Leemaqz
- South Australian Health & Medical Research Institute, Adelaide, Australia
| | - Kathleen Chan
- Mount Saint Vincent University, Halifax, Nova Scotia, Canada
| | - Jelisa Gallant
- Mount Saint Vincent University, Halifax, Nova Scotia, Canada
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18
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Johnson CR, Fischer PR, Thacher TD, Topazian MD, Bourassa MW, Combs GF. Thiamin deficiency in low- and middle-income countries: Disorders, prevalences, previous interventions and current recommendations. Nutr Health 2019; 25:127-151. [PMID: 30798767 DOI: 10.1177/0260106019830847] [Citation(s) in RCA: 29] [Impact Index Per Article: 5.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/14/2023]
Abstract
BACKGROUND Thiamin deficiency is a major public health concern in several low- and middle-income countries (LMICs)-current attention to the problem is lacking. AIM This review discusses prevalence of thiamin insufficiency and thiamin-deficiency disorders (TDDs) in LMICs, outlines programmatic experience with thiamin interventions, and offers recommendations to improve public-health and research attention to thiamin in LMICs. DISCUSSION Thiamin insufficiency, i.e. low-blood-thiamin status, is endemic among several Southeast Asian countries: Cambodia (70-100% of infants and 27-100% of reproductive-age women); Laos (13% of hospitalized infants); Thailand (16-25% of children and 30% of elderly adults). Thiamin deficiency accounts for up to 45% of under-5 deaths in Cambodia, 34% of infant deaths in Laos, and 17% of infant deaths in Myanmar. Deficiency also exists in Africa, Asia, and the Americas, but these instances have typically been isolated. Exclusively breastfed infants of thiamin-deficient mothers are at highest risk for TDD and related death. Intervention strategies that have been employed to combat thiamin deficiency include food processing, fortification, supplementation, dietary diversification, and dietary behaviors, all of which have shown varying levels of effectiveness. CONCLUSIONS We recommend universal thiamin-fortification of context-specific staple-foods in LMICs as a promising solution, as well as thiamin supplementation, particularly for pregnant and lactating women. Food processing regulations, dietary diversification, and modification of dietary behaviors to increase consumption of thiamin-rich foods may provide benefits in some circumstances, especially in countries without universal fortification programs or in populations dependent on food aid.
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Affiliation(s)
| | - Philip R Fischer
- 2 Department of Pediatric and Adolescent Medicine, Mayo Clinic, Rochester, USA
| | | | - Mark D Topazian
- 4 Department of Gastroenterology and Hepatology, Mayo Clinic, Rochester, USA
| | - Megan W Bourassa
- 5 The Sackler Institute for Nutrition Science, The New York Academy of Sciences, New York, USA
| | - Gerald F Combs
- 6 Jean Mayer USDA Human Nutrition Research Center on Aging, Tufts University, Boston, USA
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19
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Hwang WJ, Hong OS, Kang DR. Psychometric Testing of the Effort-Reward Imbalance-Short Form Among Blue-Collar Workers Employed in Small Industrial Settings in Korea. Workplace Health Saf 2018; 66:2165079918786296. [PMID: 30317931 DOI: 10.1177/2165079918786296] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
Abstract
The Effort Reward Imbalance tool is a measure of psychosocial work characteristics used to identify work-related stress. The purpose of this study was to assess the reliability and validity of the Korean version of the effort-reward imbalance-short form (ERI-SF) in industrial workers. The Korean version of ERI-SF was tested among 250 blue-collar workers. The reliability, content validity, and construct validity with confirmatory factor analysis, as well as interaction terms were analyzed. Reliability assessed by Cronbach's alpha coefficients were satisfactory for all three subscales: effort 0.75, reward 0.74, and over-commitment 0.72. Confirmatory factor analysis showed an acceptable model fit with the three component theoretical structure (root mean square error of approximation = 0.07, comparative fit index = 0.84). Content validity was assessed with respect to a measure of perceived health. In addition, a significant synergistic interaction of ERI and over-commitment on job strain was found. In conclusion, the ERI-SF demonstrated good psychometric properties with Korean industrial workers. The ERI-SF is ideal for examining work-related stress in the workplace by occupational health professionals. This shorter version makes it easier to administer and score in the occupational health setting.
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Affiliation(s)
- Won Ju Hwang
- 1 East-West Nursing Research Institute, College of Nursing Science, Kyung Hee University
| | | | - Dae Ryong Kang
- 3 Institute of Genomic Cohort, Wonju College of Medicine, Yonsei University
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20
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Whitfield KC, Bourassa MW, Adamolekun B, Bergeron G, Bettendorff L, Brown KH, Cox L, Fattal‐Valevski A, Fischer PR, Frank EL, Hiffler L, Hlaing LM, Jefferds ME, Kapner H, Kounnavong S, Mousavi MP, Roth DE, Tsaloglou M, Wieringa F, Combs GF. Thiamine deficiency disorders: diagnosis, prevalence, and a roadmap for global control programs. Ann N Y Acad Sci 2018; 1430:3-43. [PMID: 30151974 PMCID: PMC6392124 DOI: 10.1111/nyas.13919] [Citation(s) in RCA: 143] [Impact Index Per Article: 23.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/04/2018] [Accepted: 06/05/2018] [Indexed: 12/20/2022]
Abstract
Thiamine is an essential micronutrient that plays a key role in energy metabolism. Many populations worldwide may be at risk of clinical or subclinical thiamine deficiencies, due to famine, reliance on staple crops with low thiamine content, or food preparation practices, such as milling grains and washing milled rice. Clinical manifestations of thiamine deficiency are variable; this, along with the lack of a readily accessible and widely agreed upon biomarker of thiamine status, complicates efforts to diagnose thiamine deficiency and assess its global prevalence. Strategies to identify regions at risk of thiamine deficiency through proxy measures, such as analysis of food balance sheet data and month-specific infant mortality rates, may be valuable for understanding the scope of thiamine deficiency. Urgent public health responses are warranted in high-risk regions, considering the contribution of thiamine deficiency to infant mortality and research suggesting that even subclinical thiamine deficiency in childhood may have lifelong neurodevelopmental consequences. Food fortification and maternal and/or infant thiamine supplementation have proven effective in raising thiamine status and reducing the incidence of infantile beriberi in regions where thiamine deficiency is prevalent, but trial data are limited. Efforts to determine culturally and environmentally appropriate food vehicles for thiamine fortification are ongoing.
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Affiliation(s)
- Kyly C. Whitfield
- Department of Applied Human NutritionMount Saint Vincent UniversityHalifaxNova ScotiaCanada
| | - Megan W. Bourassa
- The Sackler Institute for Nutrition ScienceThe New York Academy of SciencesNew YorkNew York
| | - Bola Adamolekun
- University of Tennessee Health Science CenterMemphisTennessee
| | - Gilles Bergeron
- The Sackler Institute for Nutrition ScienceThe New York Academy of SciencesNew YorkNew York
| | - Lucien Bettendorff
- Laboratory of Neurophysiology, GIGA‐NeurosciencesUniversity of LiègeLiègeBelgium
| | | | - Lorna Cox
- Medical Research Council Elsie Widdowson LaboratoryCambridgeUnited Kingdom
| | - Aviva Fattal‐Valevski
- Tel Aviv Medical Center, Dana‐Dwek Children's Hospital, Sackler Faculty of MedicineTel Aviv UniversityTel AvivIsrael
| | | | | | | | - Lwin Mar Hlaing
- National Nutrition Center, Ministry of Health and SportsMyanmar
| | | | | | - Sengchanh Kounnavong
- The Lao Tropical and Public Health Institute, Ministry of HealthVientianeLao PDR
| | - Maral P.S. Mousavi
- Department of Chemistry and Chemical BiologyHarvard UniversityCambridgeMassachusetts
| | - Daniel E. Roth
- Hospital for Sick Children and University of TorontoTorontoOntarioCanada
| | | | - Frank Wieringa
- Institut de Recherche pour le DeveloppmentMontpellierFrance
| | - Gerald F. Combs
- Jean Mayer USDA Human Nutrition Research CenterTufts UniversityBostonMassachusetts
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21
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Fox EL, Davis C, Downs SM, Schultink W, Fanzo J. Who is the Woman in Women's Nutrition? A Narrative Review of Evidence and Actions to Support Women's Nutrition throughout Life. Curr Dev Nutr 2018. [PMCID: PMC6349991 DOI: 10.1093/cdn/nzy076] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/16/2022] Open
Abstract
Nutrition interventions that target mothers alone inadequately address women's needs across their lives: during adolescence, preconception, and in later years of life. They also fail to capture nulliparous women. The extent to which nutrition interventions effectively reach women throughout the life course is not well documented. In this comprehensive narrative review, we summarized the impact and delivery platforms of nutrition-specific and nutrition-sensitive interventions targeting adolescent girls, women of reproductive age (nonpregnant, nonlactating), pregnant and lactating women, women with young children <5 y, and older women, with a focus on nutrition interventions delivered in low- and middle-income countries. We found that although there were many effective interventions that targeted women's nutrition, they largely targeted women who were pregnant and lactating or with young children. There were major gaps in the targeting of interventions to older women. For the delivery platforms, community-based settings, compared with facility-based settings, more equitably reached women across the life course, including adolescents, women of reproductive age, and older women. Nutrition-sensitive approaches were more often delivered in community-based settings; however, the evidence of their impact on women's nutritional outcomes was less clear. We also found major research and programming gaps relative to targeting overweight, obesity, and noncommunicable disease. We conclude that focused efforts on women during pregnancy and in the first couple of years postpartum fail to address the interrelation and compounding nature of nutritional disadvantages that are perpetuated across many women's lives. In order for policies and interventions to more effectively address inequities faced by women, and not only women as mothers, it is essential that they reflect on how, when, and where to engage with women across the life course.
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Affiliation(s)
- Elizabeth L Fox
- Berman Institute of Bioethics, Johns Hopkins University, Baltimore, MD
| | - Claire Davis
- Berman Institute of Bioethics, Johns Hopkins University, Baltimore, MD
| | - Shauna M Downs
- Department of Health Systems and Policy, School of Public Health, Rutgers University, New Brunswick, NJ
| | | | - Jessica Fanzo
- Berman Institute of Bioethics, Johns Hopkins University, Baltimore, MD
- Bloomberg School of Public Health, Johns Hopkins University, Baltimore, MD
- Nitze School of Advanced International Studies, Johns Hopkins University, Washington, DC
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22
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Gao C, Liu G, Whitfield KC, Kroeun H, Green TJ, Gibson RA, Makrides M, Zhou SJ. Comparison of Human Milk Fatty Acid Composition of Women From Cambodia and Australia. J Hum Lact 2018; 34:585-591. [PMID: 29758170 DOI: 10.1177/0890334418772279] [Citation(s) in RCA: 15] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
Abstract
BACKGROUND Human milk is a rich source of omega-3 long-chain polyunsaturated fatty acids, which are postulated to be important for brain development. There is a lack of data on the human milk fatty acid composition of Cambodian women compared with data from Western women. Research Aim: The aim of this study was to determine the human milk fatty acid composition of women living in Cambodia and compare it with that of women living in Australia. METHOD Human milk samples from Cambodian ( n = 67) and Australian ( n = 200) mothers were collected at 3 to 4 months postpartum. Fatty acid composition was analyzed using capillary gas chromatography followed by Folch extraction with chloroform/methanol (2:1 v/v), and fat content was measured gravimetrically. RESULT Compared with Australian participants, human milk from Cambodian participants contained a significantly lower level of total fat (2.90 vs. 3.45 g/dL, p = .028), lower percentages of linoleic acid (9.30% vs. 10.66%, p < .0001) and α-linolenic acid (0.42% vs. 0.95%, p < .0001), but higher percentages of arachidonic acid (0.68% vs. 0.38%, p < .0001) and docosahexaenoic acid (0.40% vs. 0.23%, p < .0001). CONCLUSION Differences in human milk fatty acid composition between Cambodian and Australian participants may be explained by differences in the dietary patterns between the two populations.
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Affiliation(s)
- Chang Gao
- 1 School of Agriculture, Food & Wine, University of Adelaide, Urrbrae, SA, Australia.,2 Healthy Mothers, Babies and Children, South Australian Health and Medical Research Institute, Adelaide, SA, Australia
| | - Ge Liu
- 1 School of Agriculture, Food & Wine, University of Adelaide, Urrbrae, SA, Australia.,2 Healthy Mothers, Babies and Children, South Australian Health and Medical Research Institute, Adelaide, SA, Australia
| | - Kyly C Whitfield
- 3 Department of Applied Human Nutrition, Mount Saint Vincent University, Halifax, NS, Canada
| | - Hou Kroeun
- 4 Helen Keller International - Cambodia Country Office, Phnom Penh, Cambodia
| | - Timothy J Green
- 2 Healthy Mothers, Babies and Children, South Australian Health and Medical Research Institute, Adelaide, SA, Australia.,5 Dicipiline of Paediatrics, University of Adelaide, Adelaide, SA, Australia
| | - Robert A Gibson
- 1 School of Agriculture, Food & Wine, University of Adelaide, Urrbrae, SA, Australia
| | - Maria Makrides
- 2 Healthy Mothers, Babies and Children, South Australian Health and Medical Research Institute, Adelaide, SA, Australia.,5 Dicipiline of Paediatrics, University of Adelaide, Adelaide, SA, Australia
| | - Shao J Zhou
- 1 School of Agriculture, Food & Wine, University of Adelaide, Urrbrae, SA, Australia
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23
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Concentrations of Water-Soluble Forms of Choline in Human Milk from Lactating Women in Canada and Cambodia. Nutrients 2018; 10:nu10030381. [PMID: 29558412 PMCID: PMC5872799 DOI: 10.3390/nu10030381] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/15/2018] [Revised: 03/12/2018] [Accepted: 03/16/2018] [Indexed: 02/07/2023] Open
Abstract
Choline has critical roles during periods of rapid growth and development, such as infancy. In human milk, choline is mostly present in water-soluble forms (free choline, phosphocholine, and glycerophosphocholine). It is thought that milk choline concentration is influenced by maternal choline intake, and the richest food sources for choline are of animal origin. Scarce information exists on milk choline from countries differing in animal-source food availability. In this secondary analysis of samples from previous trials, the concentrations of the water-soluble forms of choline were quantified by liquid chromatography-tandem mass spectrometry in mature milk samples collected from lactating women in Canada (n = 301) and in Cambodia (n = 67). None of the water-soluble forms of choline concentrations in milk differed between Canada and Cambodia. For all milk samples (n = 368), free choline, phosphocholine, glycerophosphocholine, and the sum of water-soluble forms of choline concentrations in milk were (mean (95%CI)) 151 (141, 160, 540 (519, 562), 411 (396, 427), and 1102 (1072, 1133) µmol/L, respectively. Theoretically, only 19% of infants would meet the current Adequate Intake (AI) for choline. Our findings suggest that the concentrations in milk of water-soluble forms of choline are similar in Canada and Cambodia, and that the concentration used to set the infant AI might be inaccurate.
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24
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Whitfield KC, Smith G, Chamnan C, Karakochuk CD, Sophonneary P, Kuong K, Dijkhuizen MA, Hong R, Berger J, Green TJ, Wieringa FT. High prevalence of thiamine (vitamin B1) deficiency in early childhood among a nationally representative sample of Cambodian women of childbearing age and their children. PLoS Negl Trop Dis 2017; 11:e0005814. [PMID: 28873391 PMCID: PMC5600402 DOI: 10.1371/journal.pntd.0005814] [Citation(s) in RCA: 35] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/26/2017] [Revised: 09/15/2017] [Accepted: 07/18/2017] [Indexed: 01/21/2023] Open
Abstract
BACKGROUND Thiamine deficiency is thought to be an issue in Cambodia and throughout Southeast Asia due to frequent clinical reports of infantile beriberi. However the extent of this public health issue is currently unknown due to a lack of population-representative data. Therefore we assessed the thiamine status (measured as erythrocyte thiamine diphosphate concentrations; eThDP) among a representative sample of Cambodian women of childbearing age (15-49 y) and their young children (6-69 mo). METHODOLOGY/PRINCIPLE FINDINGS Samples for this cross-sectional analysis were collected as part of a national micronutrient survey linked to the Cambodian Demographic and Health Survey (CDHS) 2014. One-sixth of households taking part in the CDHS were randomly selected and re-visited for additional blood sampling for eThDP analysis (719 women and 761 children). Thiamine status was assessed using different cut-offs from literature. Women were mean (SD) 30 (6) y, and children (46% girls) were 41 (17) mo. Women had lower mean (95% CI) eThDP of 150 nmol/L (146-153) compared to children, 174 nmol/L (171-179; P < 0.001). Using the most conservative cut-off of eThDP < 120 nmol/L, 27% of mothers and 15% of children were thiamine deficient, however prevalence rates of deficiency were as high as 78% for mothers and 58% for children using a cut-off of < 180 nmol/L. Thiamine deficiency was especially prevalent among infants aged 6-12 mo: 38% were deficient using the most conservative cut-off (< 120 nmol/L). CONCLUSIONS/SIGNIFICANCE There is a lack of consensus on thiamine status cut-offs; more research is required to set clinically meaningful cut-offs. Despite this, there is strong evidence of suboptimal thiamine status among Cambodian mothers and their children, with infants <12 mo at the highest risk. Based on eThDP from this nationally-representative sample, immediate action is required to address thiamine deficiency in Cambodia, and likely throughout Southeast Asia.
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Affiliation(s)
- Kyly C. Whitfield
- Department of Applied Human Nutrition, Mount Saint Vincent University, Halifax, Nova Scotia, Canada
| | - Geoffry Smith
- International Life Sciences Institute (Southeast Asia Region), Singapore
- Essential Micronutrients Foundation, Singapore
| | - Chhoun Chamnan
- Department of Post-Harvest Technologies and Quality Control, Fisheries Administration, Ministry of Agriculture, Forestry and Fisheries, Phnom Penh, Cambodia
| | - Crystal D. Karakochuk
- Food, Nutrition, and Health, University of British Columbia, Vancouver, British Columbia, Canada
| | - Prak Sophonneary
- National Nutrition Programme, Maternal and Child Health Centre, Phnom Penh, Cambodia
| | - Khov Kuong
- Department of Post-Harvest Technologies and Quality Control, Fisheries Administration, Ministry of Agriculture, Forestry and Fisheries, Phnom Penh, Cambodia
- Nutrition, Exercise and Sports, Copenhagen University, Copenhagen, Denmark
| | | | - Rathavuth Hong
- ICF International, Rockville, Maryland, United States of America
| | - Jacques Berger
- Institute of Research for Development (IRD), UMR-204, IRD-UM-SupAgro, Montpellier, France
| | - Tim J. Green
- Healthy Mothers, Babies and Children Theme, South Australian Health and Medical Research Institute, Adelaide, South Australia, Australia
- Discipline of Paediatrics and Reproductive Health, University of Adelaide, Adelaide, South Australia, Australia
| | - Frank Tammo Wieringa
- Institute of Research for Development (IRD), UMR-204, IRD-UM-SupAgro, Montpellier, France
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25
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Ortigoza-Escobar JD, Alfadhel M, Molero-Luis M, Darin N, Spiegel R, de Coo IF, Gerards M, Taylor RW, Artuch R, Nashabat M, Rodríguez-Pombo P, Tabarki B, Pérez-Dueñas B. Thiamine deficiency in childhood with attention to genetic causes: Survival and outcome predictors. Ann Neurol 2017; 82:317-330. [PMID: 28856750 DOI: 10.1002/ana.24998] [Citation(s) in RCA: 45] [Impact Index Per Article: 6.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/04/2016] [Revised: 07/09/2017] [Accepted: 07/12/2017] [Indexed: 01/09/2023]
Abstract
Primary and secondary conditions leading to thiamine deficiency have overlapping features in children, presenting with acute episodes of encephalopathy, bilateral symmetric brain lesions, and high excretion of organic acids that are specific of thiamine-dependent mitochondrial enzymes, mainly lactate, alpha-ketoglutarate, and branched chain keto-acids. Undiagnosed and untreated thiamine deficiencies are often fatal or lead to severe sequelae. Herein, we describe the clinical and genetic characterization of 79 patients with inherited thiamine defects causing encephalopathy in childhood, identifying outcome predictors in patients with pathogenic SLC19A3 variants, the most common genetic etiology. We propose diagnostic criteria that will aid clinicians to establish a faster and accurate diagnosis so that early vitamin supplementation is considered. Ann Neurol 2017;82:317-330.
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Affiliation(s)
- Juan Darío Ortigoza-Escobar
- Division of Child Neurology, Sant Joan de Déu Hospital, University of Barcelona, Barcelona, Spain
- Institut de Recerca Sant Joan de Déu, University of Barcelona, Barcelona, Spain
| | - Majid Alfadhel
- Division of Genetics, Department of Pediatrics, King Saud bin Abdulaziz University for Health Sciences, Riyadh, Saudi Arabia
| | - Marta Molero-Luis
- Division of Biochemistry, Sant Joan de Déu Hospital, University of Barcelona, Barcelona, Spain
| | - Niklas Darin
- Department of Pediatrics, Institute of Clinical Sciences, Sahlgrenska Academy, University of Gothenburg, Gothenburg, Sweden
| | - Ronen Spiegel
- Rappaport School of Medicine, Technion, Haifa, Israel; Department of Pediatrics B, Emek Medical Center, Afula, Israel
| | - Irenaeus F de Coo
- Department of Neurology, Erasmus MC-Sophia Children's Hospital, Rotterdam, The Netherlands
| | - Mike Gerards
- MaCSBio (Maastricht Centre for Systems Biology), Maastricht University Medical Centre, Maastricht, The Netherlands
| | - Robert W Taylor
- Wellcome Trust Centre for Mitochondrial Research, Institute of Neuroscience, Newcastle University, Newcastle upon Tyne, United Kingdom
| | - Rafael Artuch
- Institut de Recerca Sant Joan de Déu, University of Barcelona, Barcelona, Spain
- Division of Biochemistry, Sant Joan de Déu Hospital, University of Barcelona, Barcelona, Spain
- CIBERER, Instituto de Salud Carlos III, Barcelona, Spain
| | - Marwan Nashabat
- Division of Genetics, Department of Pediatrics, King Saud bin Abdulaziz University for Health Sciences, Riyadh, Saudi Arabia
| | - Pilar Rodríguez-Pombo
- CIBERER, Instituto de Salud Carlos III, Barcelona, Spain
- Departamento de Biología Molecular, Centro de Diagnóstico de Enfermedades Moleculares (CEDEM), Centro de Biología Molecular Severo Ochoa CSIC-UAM, IDIPAZ, Universidad Autónoma de Madrid, Madrid, Spain
| | - Brahim Tabarki
- Divisions of Pediatric Neurology, Prince Sultan Military Medical City, Riyadh, Saudi Arabia
| | - Belén Pérez-Dueñas
- Division of Child Neurology, Sant Joan de Déu Hospital, University of Barcelona, Barcelona, Spain
- Institut de Recerca Sant Joan de Déu, University of Barcelona, Barcelona, Spain
- CIBERER, Instituto de Salud Carlos III, Barcelona, Spain
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26
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Hampel D, Shahab-Ferdows S, Gertz E, Flax VL, Adair LS, Bentley ME, Jamieson DJ, Tegha G, Chasela CS, Kamwendo D, van der Horst CM, Allen LH. The effects of a lipid-based nutrient supplement and antiretroviral therapy in a randomized controlled trial on iron, copper, and zinc in milk from HIV-infected Malawian mothers and associations with maternal and infant biomarkers. MATERNAL AND CHILD NUTRITION 2017; 14:e12503. [PMID: 28851037 PMCID: PMC5832511 DOI: 10.1111/mcn.12503] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 02/13/2017] [Revised: 06/27/2017] [Accepted: 07/12/2017] [Indexed: 12/03/2022]
Abstract
We evaluated effects of antiretroviral (ARV) therapy and lipid‐based nutrient supplements (LNSs) on iron, copper, and zinc in milk of exclusively breastfeeding HIV‐infected Malawian mothers and their correlations with maternal and infant biomarkers. Human milk and blood at 2, 6, and 24 weeks post‐partum and blood during pregnancy (≤30 weeks gestation) were collected from 535 mothers/infant‐pairs in the Breastfeeding, Antiretrovirals, and Nutrition study. The participants received ARV, LNS, ARV and LNS, or no intervention from 0 to 28 weeks post‐partum. ARVs negatively affected copper and zinc milk concentrations, but only at 2 weeks, whereas LNS had no effect. Among all treatment groups, approximately 80–90% of copper and zinc and <50% of iron concentrations met the current adequate intake for infants at 2 weeks and only 1–19% at 24 weeks. Pregnancy haemoglobin was negatively correlated with milk iron at 2 and 6 weeks (r = −.18, p < .02 for both). The associations of the milk minerals with each other were the strongest correlations observed (r = .11–.47, p < .05 for all); none were found with infant biomarkers. At 2 weeks, moderately anaemic women produced milk higher in iron when ferritin was higher or TfR lower. At 6 weeks, higher maternal α‐1‐acid glycoprotein and C‐reactive protein were associated with higher milk minerals in mildly anaemic women. Infant TfR was lower when milk mineral concentrations were higher at 6 weeks and when mothers were moderately anaemic during pregnancy. ARV affects copper and zinc milk concentrations in early lactation, and maternal haemoglobin during pregnancy and lactation could influence the association between milk minerals and maternal and infant iron status and biomarkers of inflammation.
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Affiliation(s)
- Daniela Hampel
- USDA, ARS Western Human Nutrition Research Center, Davis, California, USA.,Department of Nutrition, University of California, Davis, California, USA
| | | | - Erik Gertz
- USDA, ARS Western Human Nutrition Research Center, Davis, California, USA
| | - Valerie L Flax
- Gillings School of Global Public Health, University of North Carolina, Chapel Hill, North Carolina, USA
| | - Linda S Adair
- Gillings School of Global Public Health, University of North Carolina, Chapel Hill, North Carolina, USA
| | - Margaret E Bentley
- Gillings School of Global Public Health, University of North Carolina, Chapel Hill, North Carolina, USA
| | | | | | - Charles S Chasela
- UNC Project, Lilongwe, Malawi.,School of Public Health, University of Witwatersrand, Johannesburg, South Africa
| | | | | | - Lindsay H Allen
- USDA, ARS Western Human Nutrition Research Center, Davis, California, USA.,Department of Nutrition, University of California, Davis, California, USA
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27
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Johnson CR, Porter SG, Coats D, Whitfield KC, Mengkheang K, Topazian MD, Fischer PR. No Camphor Toxicity in Cambodian Infants. Glob Pediatr Health 2017; 4:2333794X17702980. [PMID: 28491925 PMCID: PMC5406147 DOI: 10.1177/2333794x17702980] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/21/2017] [Accepted: 02/26/2017] [Indexed: 11/17/2022] Open
Abstract
Thiamine deficiency and beriberi are prevalent in Cambodia, although most infants with nonspecific clinical symptoms of beriberi, including tachypnea, lack echocardiographic evidence diagnostic of the disease. Camphor activates transient receptor potential vanilloid 3 (TRPV3), a nonselective ion channel expressed in the medial preoptic nucleus of the hypothalamus and thought to be important for thermo-sensitivity. Because camphorated ointments are used commonly among Cambodian infants, we hypothesized that topical camphor modulates thermoregulatory behaviors, causing beriberi-simulating tachypnea, separate from any influence of thiamine deficiency. We assessed 9 tachypneic and 10 healthy infants for Tiger Balm use and for presence of camphor in whole blood. However, no camphor was found in blood from any infants, indicating that camphor is unrelated to tachypneic illness in Cambodian infants.
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Affiliation(s)
| | - Samuel G Porter
- Via Christi Medical Center, Wichita, KS, USA.,University of Kansas, Lawrence, KS, USA
| | - Debra Coats
- Eastern Mennonite Missions, Prey Veng, Cambodia
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28
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Hampel D, Shahab-Ferdows S, Islam MM, Peerson JM, Allen LH. Vitamin Concentrations in Human Milk Vary with Time within Feed, Circadian Rhythm, and Single-Dose Supplementation. J Nutr 2017; 147:603-611. [PMID: 28202638 PMCID: PMC5368580 DOI: 10.3945/jn.116.242941] [Citation(s) in RCA: 50] [Impact Index Per Article: 7.1] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/14/2016] [Revised: 11/29/2016] [Accepted: 01/17/2017] [Indexed: 01/12/2023] Open
Abstract
Background: Human milk is the subject of many studies, but procedures for representative sample collection have not been established. Our improved methods for milk micronutrient analysis now enable systematic study of factors that affect its concentrations.Objective: We evaluated the effects of sample collection protocols, variations in circadian rhythms, subject variability, and acute maternal micronutrient supplementation on milk vitamin concentrations.Methods: In the BMQ (Breast-Milk-Quality) study, we recruited 18 healthy women (aged 18-26 y) in Dhaka, Bangladesh, at 2-4 mo of lactation for a 3-d supplementation study. On day 1, no supplements were given; on days 2 and 3, participants consumed ∼1 time and 2 times, respectively, the US-Canadian Recommended Dietary Allowances for vitamins at breakfast (0800-0859). Milk was collected during every feeding from the same breast over 24 h. Milk expressed in the first 2 min (aliquot I) was collected separately from the remainder (aliquot II); a third aliquot (aliquot III) was saved by combining aliquots I and II. Thiamin, riboflavin, niacin, and vitamins B-6, B-12, A, and E and fat were measured in each sample.Results: Significant but small differences (14-18%) between aliquots were found for all vitamins except for vitamins B-6 and B-12. Circadian variance was significant except for fat-adjusted vitamins A and E, with a higher contribution to total variance with supplementation. Between-subject variability accounted for most of the total variance. Afternoon and evening samples best reflected daily vitamin concentrations for all study days. Acute supplementation effects were found for thiamin, riboflavin, and vitamins B-6 and A at 2-4 h postdosing, with 0.1-6.17% passing into milk. Supplementation was reflected in fasting, 24-h postdose samples for riboflavin and vitamin B-6. Maximum amounts of dose-responding vitamins in 1 feeding ranged from 4.7% to 21.8% (day 2) and 8.2% to 35.0% (day 3) of Adequate Intake.Conclusions: In the milk of Bangladeshi mothers, differences in vitamin concentrations between aliquots within feedings and by circadian variance were significant but small. Afternoon and evening collection provided the most-representative samples. Supplementation acutely affects some breast-milk micronutrient concentrations. This trial was registered at clinicaltrials.gov as NCT02756026.
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Affiliation(s)
- Daniela Hampel
- USDA-Agricultural Research Service Western Human Nutrition Research Center, Davis, CA
- Department of Nutrition, University of California, Davis, Davis, CA; and
| | | | - M Munirul Islam
- Nutrition and Clinical Services Division, International Centre for Diarrhoeal Disease Research, Bangladesh, Mohakhali, Dhaka, Bangladesh
| | - Janet M Peerson
- USDA-Agricultural Research Service Western Human Nutrition Research Center, Davis, CA
- Department of Nutrition, University of California, Davis, Davis, CA; and
| | - Lindsay H Allen
- USDA-Agricultural Research Service Western Human Nutrition Research Center, Davis, CA;
- Department of Nutrition, University of California, Davis, Davis, CA; and
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Chebaya P, Karakochuk CD, March KM, Chen NN, Stamm RA, Kroeun H, Sophonneary P, Borath M, Shahab-Ferdows S, Hampel D, Barr SI, Lamers Y, Houghton LA, Allen LH, Green TJ, Whitfield KC. Correlations between Maternal, Breast Milk, and Infant Vitamin B12 Concentrations among Mother-Infant Dyads in Vancouver, Canada and Prey Veng, Cambodia: An Exploratory Analysis. Nutrients 2017; 9:E270. [PMID: 28287490 PMCID: PMC5372933 DOI: 10.3390/nu9030270] [Citation(s) in RCA: 19] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/29/2016] [Revised: 03/01/2017] [Accepted: 03/09/2017] [Indexed: 11/16/2022] Open
Abstract
Vitamin B12 plays an essential role in fetal and infant development. In regions where animal source food consumption is low and perinatal supplementation is uncommon, infants are at risk of vitamin B12 deficiency. In this secondary analysis, we measured total vitamin B12 concentrations in maternal and infant serum/plasma and breast milk among two samples of mother-infant dyads in Canada (assessed at 8 weeks post-partum) and in Cambodia (assessed between 3-27 weeks post-partum). Canadian mothers (n = 124) consumed a daily vitamin B12-containing multiple micronutrient supplement throughout pregnancy and lactation; Cambodian mothers (n = 69) were unsupplemented. The maternal, milk, and infant total vitamin B12 concentrations (as geometric means (95% CI) in pmol/L) were as follows: in Canada, 698 (648,747), 452 (400, 504), and 506 (459, 552); in Cambodia, 620 (552, 687), 317 (256, 378), and 357 (312, 402). The majority of participants were vitamin B12 sufficient (serum/plasma total B12 > 221 pmol/L): 99% and 97% of mothers and 94% and 84% of infants in Canada and Cambodia, respectively. Among the Canadians, maternal, milk, and infant vitamin B12 were all correlated (p < 0.05); only maternal and infant vitamin B12 were correlated among the Cambodians (p < 0.001).
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Affiliation(s)
- Philip Chebaya
- Food, Nutrition, and Health, The University of British Columbia, Vancouver, BC V6T 1Z4, Canada.
- BC Children's Hospital Research Institute, Vancouver, BC V6H 3N1, Canada.
| | - Crystal D Karakochuk
- Food, Nutrition, and Health, The University of British Columbia, Vancouver, BC V6T 1Z4, Canada.
- BC Children's Hospital Research Institute, Vancouver, BC V6H 3N1, Canada.
| | - Kaitlin M March
- Food, Nutrition, and Health, The University of British Columbia, Vancouver, BC V6T 1Z4, Canada.
- BC Children's Hospital Research Institute, Vancouver, BC V6H 3N1, Canada.
| | - Nancy N Chen
- Food, Nutrition, and Health, The University of British Columbia, Vancouver, BC V6T 1Z4, Canada.
- BC Children's Hospital Research Institute, Vancouver, BC V6H 3N1, Canada.
| | - Rosemary A Stamm
- Department of Human Nutrition, University of Otago, Dunedin 9016, New Zealand.
| | - Hou Kroeun
- Helen Keller International-Cambodia Country Office, Phnom Penh 12301, Cambodia.
| | - Prak Sophonneary
- National Nutrition Programme, Maternal and Child Health Centre, Ministry of Health, Phnom Penh 12202, Cambodia.
| | - Mam Borath
- National Sub-Committee for Food Fortification, Ministry of Planning, Phnom Penh 12000, Cambodia.
| | - Setareh Shahab-Ferdows
- US Department of Agriculture, ARS Western Human Nutrition Research Centre, University of California, Davis, CA 95616, USA.
| | - Daniela Hampel
- US Department of Agriculture, ARS Western Human Nutrition Research Centre, University of California, Davis, CA 95616, USA.
- Department of Nutrition, University of California, Davis, CA 95616, USA.
| | - Susan I Barr
- Food, Nutrition, and Health, The University of British Columbia, Vancouver, BC V6T 1Z4, Canada.
| | - Yvonne Lamers
- Food, Nutrition, and Health, The University of British Columbia, Vancouver, BC V6T 1Z4, Canada.
- BC Children's Hospital Research Institute, Vancouver, BC V6H 3N1, Canada.
| | - Lisa A Houghton
- Department of Human Nutrition, University of Otago, Dunedin 9016, New Zealand.
| | - Lindsay H Allen
- US Department of Agriculture, ARS Western Human Nutrition Research Centre, University of California, Davis, CA 95616, USA.
- Department of Nutrition, University of California, Davis, CA 95616, USA.
| | - Tim J Green
- Food, Nutrition, and Health, The University of British Columbia, Vancouver, BC V6T 1Z4, Canada.
- BC Children's Hospital Research Institute, Vancouver, BC V6H 3N1, Canada.
- South Australia Health and Medical Research Institute, Adelaide, South Australia 5000, Australia.
| | - Kyly C Whitfield
- Food, Nutrition, and Health, The University of British Columbia, Vancouver, BC V6T 1Z4, Canada.
- BC Children's Hospital Research Institute, Vancouver, BC V6H 3N1, Canada.
- Department of Applied Human Nutrition, Mount Saint Vincent University, Halifax, NS B3M 2J6, Canada.
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Household Consumption of Thiamin-Fortified Fish Sauce Increases Erythrocyte Thiamin Concentrations among Rural Cambodian Women and Their Children Younger Than 5 Years of Age: A Randomized Controlled Efficacy Trial. J Pediatr 2017; 181:242-247.e2. [PMID: 27939124 DOI: 10.1016/j.jpeds.2016.10.066] [Citation(s) in RCA: 15] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/28/2016] [Revised: 08/02/2016] [Accepted: 10/19/2016] [Indexed: 11/21/2022]
Abstract
OBJECTIVES To assess whether ad libitum consumption of thiamin-fortified fish sauce over 6 months yields higher erythrocyte thiamin diphosphate concentrations (eTDP) among women of childbearing age and their children aged 12-59 months compared with control sauce containing no thiamin. STUDY DESIGN In this double-blind, randomized controlled efficacy trial, 276 nonpregnant, nonlactating women (18-45 years of age) and their families in Prey Veng, Cambodia, were randomized to receive 1 of 3 fish sauce formulations: low thiamin concentration (low, 2 g/L), high thiamin concentration (high, 8 g/L), or a control (no thiamin) fish sauce. Baseline (t = 0) and endline (t = 6 months) eTDP were measured with the use of high-performance liquid chromatography with a fluorescence detector. RESULTS Fish sauce consumption did not differ between treatment groups (P = .19). In intent-to-treat analysis, women's baseline-adjusted endline eTDP (mean; 95% CI) was higher among women in the low (259; 245-274 nmol/L) and high (257; 237-276 nmol/L) groups compared with control (184; 169-198 nmol/L; P < .001); low and high groups did not differ (P = .83). Similarly, children's baseline-adjusted eTDP was higher in the low (259; 246-271 nmol/L) and high (257; 243-270 nmol/L) groups compared with control (213; 202-224 nmol/L; P < .001). CONCLUSION Fortified fish sauce appears to be an efficacious means of improving biochemical thiamin status in nonpregnant, nonlactating women and their children (1-5 years of age) living in rural Cambodia. TRIAL REGISTRATION ClinicalTrials.gov: NCT02221063.
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