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Crider KS, Wang A, Ling H, Potischman N, Bailey RL, Lichen Y, Pfeiffer CM, Killian JK, Rose C, Sampson J, Zhu L, Berry RJ, Linet M, Yu W, Su LJ. Maternal Periconceptional Folic Acid Supplementation and DNA Methylation Patterns in Adolescent Offspring. J Nutr 2023; 152:2669-2676. [PMID: 36196007 PMCID: PMC9839994 DOI: 10.1093/jn/nxac184] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/23/2022] [Revised: 08/03/2022] [Accepted: 08/12/2022] [Indexed: 11/11/2022] Open
Abstract
BACKGROUND Folate, including the folic acid form, is a key component of the one-carbon metabolic pathway used for DNA methylation. Changes in DNA methylation patterns during critical development periods are associated with disease outcomes and are associated with changes in nutritional status in pregnancy. The long-term impact of periconceptional folic acid supplementation on DNA methylation patterns is unknown. OBJECTIVES To determine the long-term impact of periconceptional folic acid supplementation on DNA methylation patterns, we examined the association of the recommended dosage (400 μg/d) and time period (periconceptional before pregnancy through first trimester) of folic acid supplementation with the DNA methylation patterns in the offspring at age 14-17 y compared with offspring with no supplementation. METHODS Two geographic sites in China from the 1993-1995 Community Intervention Program of folic acid supplementation were selected for the follow-up study. DNA methylation at 402,730 CpG sites was assessed using saliva samples from 89 mothers and 179 adolescents (89 male). The mean age at saliva collection was 40 y among mothers (range: 35-54 y) and 15 y among adolescents (range: 14-17 y). Epigenome-wide analyses were conducted to assess the interactions of periconceptional folic acid exposure, the 5,10-methylenetetrahydrofolate reductase (MTHFR)-C677T genotype, and epigenome-wide DNA methylation controlling for offspring sex, geographic region, and background cell composition in the saliva. RESULTS In the primary outcome, no significant differences were observed in epigenome-wide methylation patterns between adolescents exposed and those non-exposed to maternal periconceptional folic acid supplementation after adjustment for potential confounders [false discovery rate (FDR) P values < 0.05]. The MTHFR-C677T genotype did not modify this lack of association (FDR P values < 0.05). CONCLUSIONS Overall, there were no differences in DNA methylation between adolescents who were exposed during the critical developmental window and those not exposed to the recommended periconceptional/first-trimester dosage of folic acid.
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Affiliation(s)
- Krista S Crider
- National Center on Birth Defects and Developmental Disabilities, US CDC, Atlanta, GA, USA
| | - Arick Wang
- National Center on Birth Defects and Developmental Disabilities, US CDC, Atlanta, GA, USA
| | - Hao Ling
- US CDC China Office, Beijing, China
| | | | - Regan L Bailey
- Department of Nutrition Science, Purdue University, West Lafayette, IN, USA
| | - Yang Lichen
- National Center for Nutrition and Health, Chinese Center for Disease Control and Prevention, Beijing, China
| | - Christine M Pfeiffer
- Division of Laboratory Sciences, National Center for Environmental Health, US CDC, Atlanta, GA, USA
| | - J Keith Killian
- Center for Cancer Research, National Cancer Institute, Bethesda, MD, USA
| | - Charles Rose
- National Center on Birth Defects and Developmental Disabilities, US CDC, Atlanta, GA, USA
| | - Joshua Sampson
- Division of Cancer Epidemiology and Genetics, National Cancer Institute, Bethesda, MD, USA
| | - Li Zhu
- School of Public Health, Peking University Health Science Center, Beijing, China (retired)
| | - Robert J Berry
- National Center on Birth Defects and Developmental Disabilities, US CDC, Atlanta, GA, USA
| | - Martha Linet
- Division of Cancer Epidemiology and Genetics, National Cancer Institute, Bethesda, MD, USA
| | - Wang Yu
- Director General (former), Chinese Center for Disease Control and Prevention, Beijing, China
| | - L Joseph Su
- Cancer Prevention and Population Sciences Program, Division of Epidemiology, University of Arkansas, Little Rock, AR, USA
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Santana JDM, Pereira M, Lisboa CS, Santos DB, Oliveira AM. Influence of conditional cash transfer program on prenatal care and nutrition during pregnancy: NISAMI cohort study. SAO PAULO MED J 2022; 140:595-603. [PMID: 35946676 PMCID: PMC9491472 DOI: 10.1590/1516-3180.2021.0449.r1.23112021] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/25/2021] [Accepted: 11/23/2021] [Indexed: 11/22/2022] Open
Abstract
BACKGROUND There are few studies on the influence of a cash transfer program on nutritional outcomes from pregnancy. OBJECTIVES To analyze how a Brazilian conditional cash transfer program (Bolsa Familia Program, BFP) was associated with changes in body mass index (BMI) and food consumption among pregnant women. DESIGN AND SETTING Cohort study on 250 pregnant women (≥ 18 years of age) in Brazilian prenatal services. METHODS A food frequency questionnaire was used to evaluate dietary intake. Weight was measured in each gestational trimester. Generalized estimation equations and structural equation modeling were used for statistical analyses. Correlations were analyzed using standardized coefficients (SCs). RESULTS Women benefitting from the BFP were of greater age and had lower education. The BFP exerted a direct negative effect on the pregnant women's consumption choices regarding refined grains, regional foods, vegetable oil, sausages, salted meats and snacks (SC = -0.10) and on maternal BMI (SC = -0.12). Among the intermediate variables, we observed that the time elapsed since pregnancy and the month of prenatal onset had direct negative effects; and that the number of visits to doctors, family income and number of years of education had direct positive effects. CONCLUSIONS Beneficiaries were less likely to increase their BMI outside of the recommended standards and had a greater tendency to receive prenatal care. Participation in the BFP had a direct negative effect on adherence to unhealthy diets.
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Affiliation(s)
- Jerusa da Mota Santana
- MSc, PhD. Adjunct Professor, Health Sciences Center, Universidade Federal do Recôncavo da Bahia (UFRB), Cruz das Almas (BA), Brazil
| | - Marcos Pereira
- MSc, PhD. Adjunct Professor, Instituto de Saúde Coletiva, Universidade Federal da Bahia (UFBA), Salvador (BA), Brazil
| | - Cinthia Soares Lisboa
- MSc. Doctoral Student, Universidade Estadual de Feira de Santana (UEFS), Feira de Santana (BA), Brazil
| | - Djanilson Barbosa Santos
- MSc, PhD. Adjunct Professor, Health Sciences Center, Universidade Federal do Recôncavo da Bahia (UFRB), Cruz das Almas (BA), Brazil
| | - Ana Marlucia Oliveira
- MSc, PhD. Full Professor, School of Nutrition, Universidade Federal da Bahia (UFBA), Salvador (BA), Brazil
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Li N, Zhang D, Cao S, Qiao M, Zhang P, Zhao Q, Shen Y, Huang X, Song L. The effects of folic acid on RNA m6A methylation in hippocampus as well as learning and memory ability of rats with acute lead exposure. J Funct Foods 2021. [DOI: 10.1016/j.jff.2020.104276] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/10/2023] Open
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Physical Activity, Step Counts, and Grip Strength in the Chinese Children and Families Cohort Study. INTERNATIONAL JOURNAL OF ENVIRONMENTAL RESEARCH AND PUBLIC HEALTH 2020; 17:ijerph17176202. [PMID: 32859094 PMCID: PMC7504127 DOI: 10.3390/ijerph17176202] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 06/22/2020] [Revised: 08/16/2020] [Accepted: 08/19/2020] [Indexed: 11/30/2022]
Abstract
Objectives: This paper describes the development of a physical activity questionnaire (PAQ) designed for Chinese adolescents and their mothers in urban and rural settings, and reports on results of the PAQ, pedometry, and hand grip dynamometry from the Chinese Children and Families Cohort Study pilot investigation (CFCS). Methods: As part of a pilot investigation to evaluate the feasibility to follow-up and obtain detailed nutrition, dietary, physical activity, and ultraviolet radiation (UVR) data from CFCS participants, data were collected in 2013 for 93 adolescent/mother pairs from a rural (n = 41) and an urban site (n = 52) in two provinces. Respondents were asked to wear a pedometer for seven days (Omron HJ-151), use a Takei Digital Grip Strength Dynamometer on (each hand; three trials; two separate days), and complete a 39 item, eight domain PAQ covering the past year. Self-reported physical activity (PA) was linked to metabolic equivalent of task (MET) scores in kcal/kg/hr and used to calculate METs for different domains of PA and intensity categories. Results: Compliance was high (95%) in this measurement protocol administered by health staff during a series of data collection efforts at home and local clinics or health centers. Step counts were highly variable, averaging between 5000 and 10000 per day with somewhat higher step counts in rural adolescent boys. Maximum grip strength (Kgs) was greater in children (Mean = 36.5, SE = 0.8) than mothers (Mean = 28.8, SE = 0.8) and similar in the urban (Mean = 29.6, SE = 0.6) compared to the rural (Mean = 29.6, SE = 0.5) communities overall. Grip strength, step counts, and measures of time spent in different activities or activity intensities were uncorrelated. Conclusion: Device and question-based measurement of PA and strength were readily accepted in these Chinese urban and rural populations. The PAQ on physical activity in the past year produced some plausible population averages, but individual responses suggested recall challenges. If data about specific activities are required, future studies should explore use of standardized survey questions concerning such fewer specific activities or instruments examining shorter time periods such as one, three, or seven day recalls.
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Chao A. Meet Our Editorial Board Member. Curr HIV Res 2019. [DOI: 10.2174/1570162x1606190326171516] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
Affiliation(s)
- Ann Chao
- Center for Global Health, National Cancer Institute National Institutes of Health, DHHS Based at the U.S. Permanent Mission to the United Nations 11 Route de Pregny, 1292 Chambesy, Switzerland
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Kimlin MG, Fang L, Feng Y, Wang L, Hao L, Fan J, Wang N, Meng F, Yang R, Cong S, Liang X, Wang B, Linet M, Potischman N, Kitahara C, Chao A, Wang Y, Sun J, Brodie A. Personal ultraviolet Radiation exposure in a cohort of Chinese mother and child pairs: the Chinese families and children study. BMC Public Health 2019; 19:281. [PMID: 30849990 PMCID: PMC6408854 DOI: 10.1186/s12889-019-6610-y] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/24/2018] [Accepted: 02/28/2019] [Indexed: 12/23/2022] Open
Abstract
BACKGROUND Few studies in China have examined personal ultraviolet radiation (UVR) exposure using polysulfone dosimetry. METHODS In this study, 93 mother and adolescent child pairs (N = 186) from two locations in China, one rural (higher latitude) and one urban (lower latitude), completed 3 days of personal UVR dosimetry and a sun/clothing diary, as part of a larger pilot study. RESULTS The average daily ambient UVR in each location as measured by dosimetry was 20.24 Minimal Erythemal Doses (MED) in the rural location and 20.53 MED in the urban location. Rural mothers had more average daily time outdoors than urban mothers (5.5 h, compared with 1.5 h, in urban mothers) and a much higher daily average personal UVR exposure (4.50 MED, compared with 0.78 MED in urban mothers). Amongst adolescents, rural males had the highest average daily personal UVR exposure, followed by rural females, urban females and urban males (average 2.16, 1.05, 0.81, and 0.48 MED, respectively). CONCLUSIONS Although based on small numbers, our findings show the importance of geographic location, age, work/school responsibilities, and sex of the adolescents in determining personal UVR exposure in China. These results suggest that latitude of residence may not be a good proxy for personal UVR exposure in all circumstances.
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Affiliation(s)
- Michael G. Kimlin
- University of the Sunshine Coast, Maroochydore, Faculty of Science, Health, Education and Engineering, Locked Bag 4, Maroochydore DC, Queensland 4558 Australia
- Cancer Council Queensland, Brisbane, Australia
| | - Liwen Fang
- National Center for Chronic and Noncommunicable Disease Control and Prevention, Chinese Center for Disease Control and Prevention, 27 Nanwei Road, Xicheng District, Beijing, 100050 Beijing China
| | - Yajing Feng
- National Center for Chronic and Noncommunicable Disease Control and Prevention, Chinese Center for Disease Control and Prevention, 27 Nanwei Road, Xicheng District, Beijing, 100050 Beijing China
| | - Linhong Wang
- National Center for Chronic and Noncommunicable Disease Control and Prevention, Chinese Center for Disease Control and Prevention, 27 Nanwei Road, Xicheng District, Beijing, 100050 Beijing China
| | - Ling Hao
- US Centers for Disease Control and Prevention, Atlanta, GA USA
| | - Jing Fan
- National Center for Chronic and Noncommunicable Disease Control and Prevention, Chinese Center for Disease Control and Prevention, 27 Nanwei Road, Xicheng District, Beijing, 100050 Beijing China
| | - Ning Wang
- National Center for Chronic and Noncommunicable Disease Control and Prevention, Chinese Center for Disease Control and Prevention, 27 Nanwei Road, Xicheng District, Beijing, 100050 Beijing China
| | - Fanwen Meng
- Laoting County Maternal and Child Health Hospital, Laoting, Hebei China
| | - Ruilan Yang
- Taicang County Maternal and Child Health Hospital, Taicang, Jiangsu China
| | - Shu Cong
- National Center for Chronic and Noncommunicable Disease Control and Prevention, Chinese Center for Disease Control and Prevention, 27 Nanwei Road, Xicheng District, Beijing, 100050 Beijing China
| | - Xiaofeng Liang
- Chinese Center for Disease Control and Prevention, Beijing, China
| | - Baohua Wang
- National Center for Chronic and Noncommunicable Disease Control and Prevention, Chinese Center for Disease Control and Prevention, 27 Nanwei Road, Xicheng District, Beijing, 100050 Beijing China
| | - Martha Linet
- National Cancer Institute (NIH) - Division of Cancer Epidemiology and Genetics, Bethesda, MD USA
| | - Nancy Potischman
- National Cancer Institute, Office of Dietary Supplements, Bethesda, MD USA
| | - Cari Kitahara
- National Cancer Institute (NIH) - Division of Cancer Epidemiology and Genetics, Bethesda, MD USA
| | - Ann Chao
- National Cancer Institute, Center for Global Health, Bethesda, MD USA
| | - Yu Wang
- Chinese Center for Disease Control and Prevention, Beijing, China
| | - Jiandong Sun
- University of the Sunshine Coast, Maroochydore, Faculty of Science, Health, Education and Engineering, Locked Bag 4, Maroochydore DC, Queensland 4558 Australia
| | - Alison Brodie
- University of the Sunshine Coast, Maroochydore, Faculty of Science, Health, Education and Engineering, Locked Bag 4, Maroochydore DC, Queensland 4558 Australia
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