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Raveendran A, Gupta A, Lewis LE, Prabhu K, Moorkoth S. A comprehensive approach for detection of biotin deficiency from dried blood spot samples using liquid chromatography-mass spectrometry. Future Sci OA 2024; 10:2355038. [PMID: 38963009 PMCID: PMC11229587 DOI: 10.1080/20565623.2024.2355038] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/02/2024] [Accepted: 04/24/2024] [Indexed: 07/05/2024] Open
Abstract
Aim: The aim of the present study is to develop a liquid chromatography-mass spectrometry method to measure two important biomarkers of biotin deficiency from dried blood spot samples for effective management of the disorder. Materials & methods: The method was developed on a liquid chromatography-mass spectrometry system using pentafluorophenyl column employing a mobile phase composition of methanol and water in the isocratic mode. A full validation of the method was performed as per relevant guidelines. Results & conclusion: Correlation between the results of dried blood spot and plasma method was evaluated to determine the interconvertibility of the method. The developed method was successfully applied for establishing the reference ranges for these biomarkers in the population of Udupi, a coastal district of South India.
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Affiliation(s)
- Arya Raveendran
- Department of Pharmaceutical Quality Assurance, Manipal College of Pharmaceutical Sciences, Manipal Academy of Higher Education, Manipal, 576104, Karnataka, India
| | - Ashutosh Gupta
- Department of Pharmaceutical Quality Assurance, Manipal College of Pharmaceutical Sciences, Manipal Academy of Higher Education, Manipal, 576104, Karnataka, India
| | - Leslie E Lewis
- Department of Pediatrics, Kasturba Medical College, Manipal Academy of Higher Education, Manipal, 576104, Karnataka, India
| | - Krishnananda Prabhu
- Department of Biochemistry, Kasturba Medical College, Manipal Academy of Higher Education, Manipal, 576104, Karnataka, India
| | - Sudheer Moorkoth
- Department of Pharmaceutical Quality Assurance, Manipal College of Pharmaceutical Sciences, Manipal Academy of Higher Education, Manipal, 576104, Karnataka, India
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Polinski KJ, Robinson SL, Putnick DL, Sundaram R, Bell E, Joseph PV, Segars J, Guan W, Silver RM, Schisterman EF, Mumford SL, Yeung EH. Examination of newborn DNA methylation among women with polycystic ovary syndrome/hirsutism. Epigenetics 2023; 18:2282319. [PMID: 37992405 PMCID: PMC10732621 DOI: 10.1080/15592294.2023.2282319] [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: 04/03/2023] [Accepted: 11/06/2023] [Indexed: 11/24/2023] Open
Abstract
Research suggests that polycystic ovary syndrome (PCOS) traits (e.g., hyperandrogenism) may create a suboptimal intrauterine environment and induce epigenetic modifications. Therefore, we assessed the associations of PCOS traits with neonatal DNA methylation (DNAm) using two independent cohorts. DNAm was measured in both cohorts using the Infinium MethylationEPIC array. Multivariable robust linear regression was used to determine associations of maternal PCOS exposure or preconception testosterone with methylation β-values at each CpG probe and corrected for multiple testing by false-discovery rate (FDR). In the birth cohort, 12% (102/849) had a PCOS diagnosis (8.1% PCOS without hirsutism; 3.9% PCOS with hirsutism). Infants exposed to maternal PCOS with hirsutism compared to no PCOS had differential DNAm at cg02372539 [β(SE): -0.080 (0.010); FDR p = 0.009], cg08471713 [β(SE):0.077 (0.014); FDR p = 0.016] and cg17897916 [β(SE):0.050 (0.009); FDR p = 0.009] with adjustment for maternal characteristics including pre-pregnancy BMI. PCOS with hirsutism was also associated with 8 differentially methylated regions (DMRs). PCOS without hirsutism was not associated with individual CpGs. In an independent preconception cohort, total testosterone concentrations were associated with 3 DMRs but not with individual CpGs, though the top quartile of testosterone compared to the lowest was marginally associated with increased DNAm at cg21472377 near an uncharacterized locus (FDR p = 0.09). Examination of these probes and DMRs indicate they may be under foetal genetic control. Overall, we found several associations among newborns exposed to PCOS, specifically when hirsutism was reported, and among newborns of women with relatively higher testosterone around conception.
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Affiliation(s)
- Kristen J. Polinski
- Division of Population Health Research, Division of Intramural Research, Eunice Kennedy Shriver National Institute of Child Health and Human Development, National Institutes of Health, Bethesda, MD, United States
| | - Sonia L. Robinson
- Division of Population Health Research, Division of Intramural Research, Eunice Kennedy Shriver National Institute of Child Health and Human Development, National Institutes of Health, Bethesda, MD, United States
| | - Diane L. Putnick
- Division of Population Health Research, Division of Intramural Research, Eunice Kennedy Shriver National Institute of Child Health and Human Development, National Institutes of Health, Bethesda, MD, United States
| | - Rajeshwari Sundaram
- Division of Population Health Research, Division of Intramural Research, Eunice Kennedy Shriver National Institute of Child Health and Human Development, National Institutes of Health, Bethesda, MD, United States
| | - Erin Bell
- Department of Environmental Health Sciences, Epidemiology and Biostatistics, University at Albany School of Public Health, Albany, NY, United States
| | - Paule V. Joseph
- Section of Sensory Science and Metabolism, Division of Intramural Research, National Institute on Alcohol Abuse and Alcoholism, National Institutes of Health, Bethesda, MD, United States
| | - James Segars
- Division of Reproductive Science and Women’s Health Research, Johns Hopkins Department of Gynecology & Obstetrics, Baltimore, MD, United States
| | - Weihua Guan
- Division of Biostatistics, School of Public Health, University of Minnesota, Minneapolis, MN, United States
| | - Robert M. Silver
- Department of Obstetrics and Gynecology, University of Utah, Salt Lake City, UT, United States
| | - Enrique F. Schisterman
- Department of Biostatistics, Epidemiology and Informatics, Perelman School of Medicine, University of Pennsylvania, Philadelphia, PA, United States
| | - Sunni L. Mumford
- Department of Biostatistics, Epidemiology and Informatics, Perelman School of Medicine, University of Pennsylvania, Philadelphia, PA, United States
| | - Edwina H. Yeung
- Division of Population Health Research, Division of Intramural Research, Eunice Kennedy Shriver National Institute of Child Health and Human Development, National Institutes of Health, Bethesda, MD, United States
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Polinski KJ, Robinson SL, Putnick DL, Guan W, Gleason JL, Mumford SL, Sundaram R, Mendola P, London S, Yeung EH. Epigenetic gestational age and the relationship with developmental milestones in early childhood. Hum Mol Genet 2023; 32:1565-1574. [PMID: 36617164 PMCID: PMC10117157 DOI: 10.1093/hmg/ddac302] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/21/2022] [Revised: 12/09/2022] [Accepted: 12/12/2022] [Indexed: 01/09/2023] Open
Abstract
Shorter gestational age (GA) is a risk factor of developmental delay. GA is usually estimated clinically from last menstrual period and ultrasound. DNA methylation (DNAm) estimates GA using sets of cytosine-guanine-sites coupled with a clock algorithm. Therefore, DNAm-estimated GA may better reflect biological maturation. A DNAm GA greater than clinical GA, known as gestational age acceleration (GAA), may indicate epigenetic maturity and holds potential as an early biomarker for developmental delay risk. We used data from the Upstate KIDS Study to examine associations of DNAm GA and developmental delay within the first 3 years based on the Ages & Stages Questionnaire® (n = 1010). We estimated DNAm GA using two clocks specific to the Illumina Methylation EPIC 850K, the Haftorn clock and one developed from the Effects of Aspirin in Gestation and Reproduction study, in which women were followed to detect pregnancy at the earliest time possible. Among singletons, each week increase in DNAm GA was protective for overall delay (odds ratio:0.74; 95% confidence interval:0.61-0.90) and delay in all domains except for problem-solving skills. Among twins, we observed similar point estimates but lower precision. Results were similar for clinical GA. GAA was largely not associated with developmental delays. In summary, either DNAm GA or clinical GA at birth, but not epigenetic maturity (i.e. GAA), was associated with decreased odds of developmental delay in early childhood. Our study does not support using DNAm GA or GAA as separate risk factors for future risk of developmental delay within the first 3 years of age.
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Affiliation(s)
- Kristen J Polinski
- Epidemiology Branch, Division of Population Health Research, Eunice Kennedy Shriver National Institute of Child Health and Human Development, Bethesda, MD 20817, USA
| | - Sonia L Robinson
- Epidemiology Branch, Division of Population Health Research, Eunice Kennedy Shriver National Institute of Child Health and Human Development, Bethesda, MD 20817, USA
| | - Diane L Putnick
- Epidemiology Branch, Division of Population Health Research, Eunice Kennedy Shriver National Institute of Child Health and Human Development, Bethesda, MD 20817, USA
| | - Weihua Guan
- Division of Biostatistics, School of Public Health, University of Minnesota, Minneapolis, MN 55455, USA
| | - Jessica L Gleason
- Epidemiology Branch, Division of Population Health Research, Eunice Kennedy Shriver National Institute of Child Health and Human Development, Bethesda, MD 20817, USA
| | - Sunni L Mumford
- Epidemiology Branch, Division of Population Health Research, Eunice Kennedy Shriver National Institute of Child Health and Human Development, Bethesda, MD 20817, USA
- Department of Biostatistics, Epidemiology and Informatics, Perelman School of Medicine, University of Pennsylvania, Philadelphia, PA 19104, USA
| | - Rajeshwari Sundaram
- Epidemiology Branch, Division of Population Health Research, Eunice Kennedy Shriver National Institute of Child Health and Human Development, Bethesda, MD 20817, USA
| | - Pauline Mendola
- Department of Epidemiology and Environmental Health, School of Public Health and Health Professions, University at Buffalo, Buffalo, NY 14214, USA
| | - Stephanie London
- Epidemiology Branch, National Institute of Environmental Health Sciences, National Institutes of Health, Department of Health and Human Services, Research Triangle Park, NC 27709, USA
| | - Edwina H Yeung
- Epidemiology Branch, Division of Population Health Research, Eunice Kennedy Shriver National Institute of Child Health and Human Development, Bethesda, MD 20817, USA
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Adeyeye TE, Jones LE, Yeung EH, Mendola P, Lawrence DA, Lin S, Bell EM. Effects on neonatal immunoglobulin concentrations by infant mode of delivery in the upstate KIDS study (2008-2010). Am J Reprod Immunol 2023; 89:e13688. [PMID: 36788284 PMCID: PMC11318237 DOI: 10.1111/aji.13688] [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: 09/23/2022] [Revised: 12/29/2022] [Accepted: 01/28/2023] [Indexed: 02/16/2023] Open
Abstract
PROBLEM Previous studies document an association between mode of delivery (MOD) and allergic conditions in children. Immunoglobulin (Ig) concentrations at birth may play a role. The goal of this study is to assess the impact of MOD on Ig concentrations at delivery from newborn dried blood spots (DBS). METHOD OF STUDY The Upstate KIDS Study (2008-2010) is a prospective cohort of mother-child pairs recruited from New York State, excluding New York City. Ig subtypes IgA, IgE, IgG1 , IgG2 , IgG3 , IgG4 , and IgM were measured in residual NDBS from the Newborn Screening Program (N = 3274 infants). MOD was categorized as vaginal delivery (VD), emergency cesarean delivery (ECD) or planned cesarean delivery (PCD). Associations between MOD and Ig levels were assessed using ANOVA and multiple regression, with models adjusted for gestational age, birth weight, maternal race, plurality, and smoking status. RESULTS IgA, and the IgG subtypes IgG3 and IgG4 were found to be significantly lower in PCD neonates relative to VD neonates in adjusted regression models: 3.57 mg/ml, (95% CI: 3.51, 3.63) compared to 3.64 mg/ml (95% CI: 3.59, 3.69); 8.95 ng/ml (95% CI: 8.88,9.03) compared to 9.03 ng/ml (95% CI: 8.98, 9.08) and 8.05 ng/ml (95% CI: 7.91, 8.20) compared to 8.22 ng/ml (95% CI: 7.91,8.20), respectively. CONCLUSIONS MOD may thus be related to neonatal immune profile. Results were found to be robust to sensitivity testing based on maternal complications and indication for CD. Clinical implications are unclear given the small levels of association found in newborns, but the result suggests greater susceptibility to infection, and further study is warranted.
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Affiliation(s)
- Temilayo E. Adeyeye
- Department of Environmental Health Sciences, School of Public Health, State University of New York, Albany
| | - Laura E. Jones
- Department of Epidemiology and Biostatistics, School of Public Health, State University of New York, Albany
| | - Edwina H. Yeung
- Division of Population Health Research, Division of Intramural Research, Eunice Kennedy Shriver National Institute of Child Health and Human Development, Bethesda, MD
| | - Pauline Mendola
- Department of Epidemiology and Environmental Health, School of Public Health and Health Professions, State University of New York, Buffalo
| | - David A. Lawrence
- Department of Environmental Health Sciences, School of Public Health, State University of New York, Albany
| | - Shao Lin
- Department of Environmental Health Sciences, School of Public Health, State University of New York, Albany
| | - Erin M. Bell
- Department of Environmental Health Sciences, School of Public Health, State University of New York, Albany
- Department of Epidemiology and Biostatistics, School of Public Health, State University of New York, Albany
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Hui LL, Nelson EAS, Deng HB, Leung TY, Ho CH, Chong JSC, Fung GPG, Hui J, Lam HS. The view of Hong Kong parents on secondary use of dried blood spots in newborn screening program. BMC Med Ethics 2022; 23:105. [PMID: 36319979 PMCID: PMC9628108 DOI: 10.1186/s12910-022-00839-z] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/30/2022] [Accepted: 08/30/2022] [Indexed: 11/05/2022] Open
Abstract
Background Residual dried blood spots (rDBS) from newborn screening programmes represent a valuable resource for medical research, from basic sciences, through clinical to public health. In Hong Kong, there is no legislation for biobanking. Parents’ view on the retention and use of residual newborn blood samples could be cultural-specific and is important to consider for biobanking of rDBS. Objective To study the views and concerns on long-term storage and secondary use of rDBS from newborn screening programmes among Hong Kong Chinese parents. Methods A mixed-method approach was used to study the views and concerns on long-term storage and secondary use of rDBS from newborn screening programmes among Hong Kong Chinese parents of children 0–3 years or expecting parents through focus groups (8 groups; 33 participants) and a survey (n = 1012, 85% mothers) designed with insights obtained from the focus groups. We used framework analysis to summarise the themes as supportive factors, concerns and critical arguments for retention and secondary use of rDBS from focus group discussion. We used multiple logistic regression to assess factors associated with support for retention and secondary use of rDBS in the survey. Results Both in focus groups and survey, majority of parents were not aware of the potential secondary use of rDBS. Overall secondary use of rDBS in medical research was well accepted by a large proportion of Hong Kong parents, even if all potential future research could not be specified in a broad consent. However parents were concerned about potential risks of biobanking rDBS including leaking of data and mis-use of genetic information. Parents wanted to be asked for permission before rDBS are stored and mainly did not accept an “opt-out” approach. The survey showed that parents born in mainland China, compared to Hong Kong born parents, had lower awareness of newborn screening but higher support in biobanking rDBS. Higher education was associated with support in rDBS biobanking only among fathers. Conclusion Long-term storage and secondary use of rDBS from newborn screening for biomedical research and a broad consent for biobanking of rDBS are generally acceptable to Hong Kong parents given their autonomy is respected and their privacy is protected, highlighting the importance of an accountable governance and a transparent access policy for rDBS biobanks.
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Affiliation(s)
- L L Hui
- Department of Applied Biology and Chemical Technology, The Hong Kong Polytechnic University, Hung Hom, Hong Kong SAR, China.,Department of Paediatrics, Faculty of Medicine, The Chinese University of Hong Kong, Shatin, Hong Kong SAR, China
| | - E A S Nelson
- Department of Paediatrics, Faculty of Medicine, The Chinese University of Hong Kong, Shatin, Hong Kong SAR, China
| | - H B Deng
- Department of Paediatrics, Faculty of Medicine, The Chinese University of Hong Kong, Shatin, Hong Kong SAR, China
| | - T Y Leung
- Department of Obstetrics and Gynaecology, Faculty of Medicine, The Chinese University of Hong Kong, Shatin, Hong Kong SAR, China
| | - C H Ho
- Academia Sinica, Taipei, Taiwan
| | - J S C Chong
- Department of Paediatrics, Faculty of Medicine, The Chinese University of Hong Kong, Shatin, Hong Kong SAR, China
| | - G P G Fung
- Department of Paediatrics, Faculty of Medicine, The Chinese University of Hong Kong, Shatin, Hong Kong SAR, China
| | - J Hui
- Private paediatrician, Hong Kong SAR, PR China
| | - H S Lam
- Department of Paediatrics, Faculty of Medicine, The Chinese University of Hong Kong, Shatin, Hong Kong SAR, China.
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Jones LE, Ghassabian A, Lawrence DA, Sundaram R, Yeung E, Kannan K, Bell EM. Exposure to perfluoroalkyl substances and neonatal immunoglobulin profiles in the upstate KIDS study (2008-2010). ENVIRONMENTAL POLLUTION (BARKING, ESSEX : 1987) 2022; 308:119656. [PMID: 35787426 PMCID: PMC11409428 DOI: 10.1016/j.envpol.2022.119656] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/02/2022] [Revised: 06/15/2022] [Accepted: 06/16/2022] [Indexed: 06/15/2023]
Abstract
Infant exposure to per/polyfluoroalkyl compounds is associated with immune disruption. We examined associations between neonatal concentrations of perflurooctanoic acid (PFOA) and perfluorooctanesulfonic acid (PFOS) and immunoglobulin (Ig) isotype profiles in a prospective cohort of infants. We measured Ig isotypes, including IgA, IgE, IgM and the IgG subclasses IgG1, IgG2, IgG3, and IgG4, and PFOA and PFOS in newborn dried bloodspots from N = 3175 infants in the Upstate KIDS Study (2008-2010). We examined the association between newborn Ig isotype levels and individual PFOS and PFOA concentrations using mixed effects regression models with a random intercept to account for twins among study participants. We assessed the joint effect PFOA and PFOS with quantile-based g-computation on all singletons and one randomly selected twin (N = 2901), with Ig categorized as above or below median value. Models were adjusted for infant sex, and maternal pre-pregnancy body mass index, race, parity, age and infertility treatment. In adjusted models, PFOA was inversely associated with IgE (coefficient = -0.12 per unit increase in PFOA, 95% CI: -0.065, -0.17), whereas IgG2, IgM, and IgA were positively associated with PFOA (coefficient for IgG2 = 0.22, 95% CI: 0.15, 0.27; coefficient for IgM = 0.11, 95% CI: 0.08, 0.15; and coefficient for IgA = 0.15, 95% CI: 0.07, 0.18). There was no relation between PFOS and Ig isotypes. Analysis of the joint effect of PFOA and PFOS showed an OR of 1.2 (95% CI: 1.04, 1.36) for IgA and OR of 1.12 (95% CI: 1.00, 1.24) for IgG2 levels above the median for every quartile increase. PFOA levels were significantly associated with elevated IgA, IgM, IgG2, and reduced levels of IgE in single-pollutant models. A small but significant joint effect of PFOA and PFOS was observed. Our results suggest that early exposure to PFOA and PFOS may disrupt neonatal immunoglobulin levels.
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Affiliation(s)
- Laura E Jones
- Department of Environmental Health Sciences, School of Public Health, State University of New York, Albany, USA.
| | - Akhgar Ghassabian
- Department of Pediatrics, New York University Grossman School of Medicine, New York, 10016, USA; Department of Population Health, New York University Grossman School of Medicine, USA.
| | - David A Lawrence
- Department of Environmental Health Sciences, School of Public Health, State University of New York, Albany, USA.
| | - Rajeshwari Sundaram
- Division of Population Health Research, Division of Intramural Research, Eunice Kennedy Shriver National Institute of Child Health and Human Development, Bethesda, MD, 20817, USA.
| | - Edwina Yeung
- Division of Population Health Research, Division of Intramural Research, Eunice Kennedy Shriver National Institute of Child Health and Human Development, Bethesda, MD, 20817, USA.
| | - Kurunthachalam Kannan
- Department of Pediatrics, New York University Grossman School of Medicine, New York, 10016, USA; Department of Environmental Medicine, New York University Grossman School of Medicine, New York, 10016, USA.
| | - Erin M Bell
- Department of Environmental Health Sciences, School of Public Health, State University of New York, Albany, USA.
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Wong EC, Fisher SC, Feldkamp ML, Romitti PA, Nestoridi E, Desrosiers TA. Factors associated with maternal consent for use of residual newborn bloodspots in the National Birth Defects Prevention Study. Birth Defects Res 2022; 114:238-248. [PMID: 35194969 DOI: 10.1002/bdr2.1991] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/11/2021] [Revised: 01/14/2022] [Accepted: 01/27/2022] [Indexed: 11/06/2022]
Abstract
PURPOSE We investigated factors associated with maternal consent to use residual newborn dried bloodspots (DBS) in a national case-control study of birth defects. METHODS A subset of sites in the National Birth Defects Prevention Study (NBDPS; 1997-2011) asked participants to provide consent for investigators to retrieve DBS from local newborn screening programs to use for research on risk factors for birth defects. We assessed whether consent differed by factors including maternal age, education, parity, body mass index, language of interview, country of birth, and case-control status. RESULTS Of 5,850 mothers of cases and 2,534 mothers of controls, 57% provided consent for the DBS component. Mothers of cases were more likely to participate than mothers of controls (61% vs. 52%), as were mothers who self-reported white race, >12 years of education, and born in the United States. CONCLUSIONS Retrieval of DBS can be integrated into retrospective studies of neonatal outcomes including birth defects. In NBDPS, participation in the DBS component was moderate and varied by some sociodemographic factors. Further research is needed to better understand families' perspectives on using residual DBS for secondary research. Representative participation is important to reduce the potential for selection bias in future studies using DBS for children's health research.
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Affiliation(s)
- Eugene C Wong
- Department of Epidemiology, Gillings School of Global Public Health, University of North Carolina at Chapel Hill, Chapel Hill, North Carolina, USA
| | - Sarah C Fisher
- Birth Defects Registry, New York State Department of Health, Albany, New York, USA
| | - Marcia L Feldkamp
- Division of Medical Genetics, Department of Pediatrics, University of Utah School of Medicine, Salt Lake City, Utah, USA
| | - Paul A Romitti
- College of Public Health, The University of Iowa, Iowa City, Iowa, USA
| | - Eirini Nestoridi
- Massachusetts Center for Birth Defects Research and Prevention, Massachusetts Department of Public Health, Boston, Massachusetts, USA
| | - Tania A Desrosiers
- Department of Epidemiology, Gillings School of Global Public Health, University of North Carolina at Chapel Hill, Chapel Hill, North Carolina, USA
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Yeung EH, Mendola P, Sundaram R, Zeng X, Guan W, Tsai MY, Robinson SL, Stern JE, Ghassabian A, Lawrence D, O'Connor TG, Segars J, Gore-Langton RE, Bell EM. Conception by fertility treatment and offspring deoxyribonucleic acid methylation. Fertil Steril 2021; 116:493-504. [PMID: 33823999 PMCID: PMC8349775 DOI: 10.1016/j.fertnstert.2021.03.011] [Citation(s) in RCA: 23] [Impact Index Per Article: 7.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/30/2020] [Revised: 03/08/2021] [Accepted: 03/09/2021] [Indexed: 12/23/2022]
Abstract
OBJECTIVE To investigate whether deoxyribonucleic acid (DNA) methylation at birth and in childhood differ by conception using assisted reproductive technologies (ART) or ovulation induction compared with those in children conceived without fertility treatment. DESIGN Upstate KIDS is a matched exposure cohort which oversampled on newborns conceived by treatment. SETTING New York State (excluding New York City). PATIENT(S) This analysis included 855 newborns and 152 children at approximately 9 years of age. INTERVENTION(S) None. MAIN OUTCOME MEASURE(S) DNA methylation levels were measured using the Illumina EPIC platform. Single CpG and regional analyses at imprinting genes were conducted. RESULT(S) Compared to no fertility treatment, ART was associated with lower mean DNA methylation levels at birth in 11 CpGs (located in/near SYCE1, SPRN, KIAA2013, MYO1D, GET1/WRB-SH4BGR, IGF1R, SORD, NECAB3/ACTL10, and GET1) and higher mean methylation level in 1 CpG (KLK4; all false discovery rate P<.05). The strongest association (cg17676129) was located at SYCE1, which codes for a synaptonemal complex that plays a role in meiosis and therefore infertility. This CpG remained associated with newborn hypomethylation when the analysis was limited to those conceived with ICSI, but this may be because of underlying male infertility. In addition, nine regions in maternally imprinted genes (IGF1R, PPIEL, SVOPL GNAS, L3MBTL, BLCAP, HYMAI/PLAGL1, SNU13, and MEST) were observed to have decreased mean DNA methylation levels among newborns conceived by ART. In childhood, hypomethylation of the maternally imprinted gene, GNAS, persisted. No CpGs or regions were associated with ovulation induction. CONCLUSION(S) ART but not ovulation induction was associated with hypomethylation at birth, but only one difference at an imprinting region appeared to persist in childhood.
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Affiliation(s)
- Edwina H Yeung
- Epidemiology Branch, Division of Intramural Population Health Research, Eunice Kennedy Shriver National Institute of Child Health and Human Development, Bethesda, Maryland.
| | - Pauline Mendola
- Epidemiology and Environmental Health, School of Public Health and Health Professions, University at Buffalo, Buffalo, New York
| | - Rajeshwari Sundaram
- Biostatistics and Bioinformatics Branch, Division of Intramural Population Health Research, Eunice Kennedy Shriver National Institute of Child Health and Human Development, Bethesda, Maryland
| | | | - Weihua Guan
- Division of Biostatistics, School of Public Health, University of Minnesota, Minneapolis, Minnesota
| | - Michael Y Tsai
- Department of Laboratory Medicine and Pathology, University of Minnesota Medical School, Minneapolis, Minnesota
| | - Sonia L Robinson
- Epidemiology Branch, Division of Intramural Population Health Research, Eunice Kennedy Shriver National Institute of Child Health and Human Development, Bethesda, Maryland
| | - Judy E Stern
- Department of Obstetrics and Gynecology, Dartmouth-Hitchcock, Lebanon, New Hampshire
| | - Akhgar Ghassabian
- Departments of Pediatrics, Population Health, and Environmental Medicine, New York University School of Medicine, New York, New York
| | - David Lawrence
- Department of Environmental Health Sciences, University at Albany School of Public Health, Albany, New York
| | - Thomas G O'Connor
- Departments of Psychiatry, Psychology, Neuroscience, Obstetrics and Gynecology, University of Rochester, Rochester, New York
| | - James Segars
- Howard W. and Georgeanna Seegar Jones Laboratory of Reproductive Sciences and Women's Health Research, Department of Obstetrics and Gynecology, Johns Hopkins Medical University, Baltimore, Maryland
| | | | - Erin M Bell
- Department of Epidemiology and Biostatistics, University at Albany School of Public Health, Albany, New York
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Barr DB, Kannan K, Cui Y, Merrill L, Petrick LM, Meeker JD, Fennell TR, Faustman EM. The use of dried blood spots for characterizing children's exposure to organic environmental chemicals. ENVIRONMENTAL RESEARCH 2021; 195:110796. [PMID: 33508256 PMCID: PMC7988293 DOI: 10.1016/j.envres.2021.110796] [Citation(s) in RCA: 15] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/09/2019] [Revised: 01/02/2021] [Accepted: 01/20/2021] [Indexed: 05/05/2023]
Abstract
Biomonitoring is a commonly used tool for exposure assessment of organic environmental chemicals with urine and blood samples being the most commonly used matrices. However, for children's studies, blood samples are often difficult to obtain. Dried blood spots (DBS) represent a potential matrix for blood collection in children that may be used for biomonitoring. DBS are typically collected at birth to screen for several congenital disorders and diseases; many of the states that are required to collect DBS archive these spots for years. If the archived DBS can be accessed by environmental health researchers, they potentially could be analyzed to retrospectively assess exposure in these children. Furthermore, DBS can be collected prospectively in the field from children ranging in age from newborn to school-aged with little concern from parents and minimal risk to the child. Here, we review studies that have evaluated the measurement of organic environmental toxicants in both archived and prospectively collected DBS, and where available, the validation procedures that have been performed to ensure these measurements are comparable to traditional biomonitoring measurements. Among studies thus far, the amount of validation has varied considerably with no studies systematically evaluating all parameters from field collection, shipping and storage contamination and stability to laboratory analysis feasibility. These validation studies are requisite to ensure reliability of the measurement and comparability to more traditional matrices. Thus, we offer some recommendations for validation studies and other considerations before DBS should be adopted as a routine matrix for biomonitoring.
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Affiliation(s)
- Dana Boyd Barr
- Emory University, Rollins School of Public Health, Gangarosa Department of Environmental Health, Atlanta, GA, USA.
| | - Kurunthachalam Kannan
- Department of Pediatrics and Department of Environmental Medicine, New York University School of Medicine, New York, NY, USA
| | - Yuxia Cui
- National Institute of Environmental Health Sciences, Research Triangle Park, NC, USA
| | | | - Lauren M Petrick
- The Senator Frank R. Lautenberg Environmental Health Sciences Laboratory, Department of Environmental Medicine and Public Health, Icahn School of Medicine at Mount Sinai, New York, NY, USA
| | - John D Meeker
- School of Public Health, University of Michigan, Ann Arbor, MI, USA
| | | | - Elaine M Faustman
- University of Washington, School of Public Health, Department of Environmental and Occupational Health, Seattle, WA, USA
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Robinson SL, Zeng X, Guan W, Sundaram R, Mendola P, Putnick DL, Waterland RA, Gunasekara CJ, Kannan K, Gao C, Bell EM, Yeung EH. Perfluorooctanoic acid (PFOA) or perfluorooctane sulfonate (PFOS) and DNA methylation in newborn dried blood spots in the Upstate KIDS cohort. ENVIRONMENTAL RESEARCH 2021; 194:110668. [PMID: 33387539 PMCID: PMC7946760 DOI: 10.1016/j.envres.2020.110668] [Citation(s) in RCA: 16] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/14/2020] [Revised: 12/16/2020] [Accepted: 12/22/2020] [Indexed: 05/09/2023]
Abstract
Perfluorooctanoic acid (PFOA) and perfluorooctane sulfonate (PFOS) are persistent organic pollutants which may alter prenatal development, potentially through epigenetic modifications. Prior studies examining PFOS/PFOA and DNA methylation have relatively few subjects (n < 200) and inconsistent results. We examined relations of PFOA/PFOS with DNA methylation among 597 neonates in the Upstate KIDS cohort study. PFOA/PFOS were quantified in newborn dried blood spots (DBS) using high-performance liquid chromatography/tandem mass spectrometry. DNA methylation was measured using the Infinium MethylationEPIC BeadChip with DNA extracted from DBS. Robust linear regression was used to examine the associations of PFOA/PFOS with DNA methylation at individual CpG sites. Covariates included sample plate, estimated cell type, epigenetically derived ancestry, infant sex and plurality, indicators of maternal socioeconomic status, and prior pregnancy loss. In supplemental analysis, we restricted the analysis to 2242 CpG sites previously identified as Correlated Regions of Systemic Interindividual Variation (CoRSIVs) which include metastable epialleles. At FDR<0.05, PFOA concentration >90th percentile was related to DNA methylation at cg15557840, near SCRT2, SRXN1; PFOS>90th percentile was related to 2 CpG sites in a sex-specific manner (cg19039925 in GVIN1 in boys and cg05754408 in ZNF26 in girls). When analysis was restricted to CoRSIVs, log-scaled, continuous PFOS concentration was related to DNA methylation at cg03278866 within PTBP1. In conclusion, there was limited evidence of an association between high concentrations of PFOA/PFOS and DNA methylation in newborn DBS in the Upstate KIDS cohort. These findings merit replication in populations with a higher median concentration of PFOA/PFOS.
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Affiliation(s)
- Sonia L Robinson
- Division of Intramural Population Health Research, Eunice Kennedy Shriver National Institute of Child Health and Human Development, National Institutes of Health, 6710B Rockledge Drive, Bethesda, MD, 20892, United States.
| | - Xuehuo Zeng
- Glotech Inc., 1801 Research Blvd #605, Rockville, MD, 20850, United States.
| | - Weihua Guan
- Division of Biostatistics, School of Public Health, University of Minnesota, 420 Delaware St SE, Minneapolis, MN, 55455, United States.
| | - Rajeshwari Sundaram
- Division of Intramural Population Health Research, Eunice Kennedy Shriver National Institute of Child Health and Human Development, National Institutes of Health, 6710B Rockledge Drive, Bethesda, MD, 20892, United States.
| | - Pauline Mendola
- Department of Epidemiology and Environmental Health, School of Public Health and Health Professions, University at Buffalo, 270 Farber Hall, Buffalo, NY, 14214, United States.
| | - Diane L Putnick
- Division of Intramural Population Health Research, Eunice Kennedy Shriver National Institute of Child Health and Human Development, National Institutes of Health, 6710B Rockledge Drive, Bethesda, MD, 20892, United States.
| | - Robert A Waterland
- Departments of Pediatrics and Molecular & Human Genetics, Baylor College of Medicine, USDA/ARS Children's Nutrition Research Center, 1100 Bates St., Ste. 5080, Houston, TX, 77030, United States.
| | - Chathura J Gunasekara
- Departments of Pediatrics and Molecular & Human Genetics, Baylor College of Medicine, USDA/ARS Children's Nutrition Research Center, 1100 Bates St., Ste. 5080, Houston, TX, 77030, United States.
| | - Kurunthachalam Kannan
- Department of Pediatrics and Department of Environmental Medicine, New York University School of Medicine, New York, NY, 10016, United States.
| | - Chongjing Gao
- Department of Pediatrics and Department of Environmental Medicine, New York University School of Medicine, New York, NY, 10016, United States.
| | - Erin M Bell
- Departments of Environmental Health Sciences, And Epidemiology and Biostatistics, University at Albany School of Public Health, 1 University Place, Rensselaer, NY, 12144, United States.
| | - Edwina H Yeung
- Division of Intramural Population Health Research, Eunice Kennedy Shriver National Institute of Child Health and Human Development, National Institutes of Health, 6710B Rockledge Drive, Bethesda, MD, 20892, United States.
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McClendon-Weary B, Putnick DL, Robinson S, Yeung E. Little to Give, Much to Gain-What Can You Do With a Dried Blood Spot? Curr Environ Health Rep 2021; 7:211-221. [PMID: 32851603 DOI: 10.1007/s40572-020-00289-y] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
Abstract
PURPOSE OF REVIEW Technological advances have allowed dried blood spots (DBS) to be utilized for various measurements, helpful in population-based studies. The following is a review of the literature highlighting the advantages and disadvantages of DBS and describing their use in multiple areas of research. RECENT FINDINGS DBS can track pollutant exposure to understand their impact on health. DBS can also be used for (epi-)genetic studies, to measure clinical biomarkers, and to monitor drug adherence. Advantages of DBS include being minimally invasive, requiring low blood volume, and being cost-effective to collect, transport, and store. Disadvantages of DBS include the hematocrit effect, which is related to the viscosity of the blood affecting its spread on to the filter paper, causing a major source of error when assessing concentrations, and the possibility of low DNA volume. Numerous uses for DBS make them an important source of biomaterial but they require additional validation for accuracy and reproducibility.
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Affiliation(s)
- Bryttany McClendon-Weary
- Epidemiology Branch, Division of Intramural Population Health Research, Eunice Kennedy Shriver National Institute of Child Health and Human Development, 6710B Rockledge Dr, MSC 7004, Bethesda, MD, 20817, USA
| | - Diane L Putnick
- Epidemiology Branch, Division of Intramural Population Health Research, Eunice Kennedy Shriver National Institute of Child Health and Human Development, 6710B Rockledge Dr, MSC 7004, Bethesda, MD, 20817, USA
| | - Sonia Robinson
- Epidemiology Branch, Division of Intramural Population Health Research, Eunice Kennedy Shriver National Institute of Child Health and Human Development, 6710B Rockledge Dr, MSC 7004, Bethesda, MD, 20817, USA
| | - Edwina Yeung
- Epidemiology Branch, Division of Intramural Population Health Research, Eunice Kennedy Shriver National Institute of Child Health and Human Development, 6710B Rockledge Dr, MSC 7004, Bethesda, MD, 20817, USA.
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Abstract
PURPOSE OF REVIEW Exposomics studies can measure health-relevant chemical exposures during a lifetime and estimate the 'internal' environment. However, sampling limitations make these features difficult to capture directly during the critical neonatal time period. RECENT FINDINGS We review the use of newborn dried bloodspots (DBS) archived from newborn screening programs for exposomic analysis in epidemiological children's health studies. Emerging 'omics technologies such as adductomics and metabolomics have been adapted for DBS analysis, and these technologies can now provide valuable etiological information on the complex interplay between exposures, biological response, and population phenotypes. SUMMARY Adductomics and metabolomics of DBS can provide robust measurements for retrospective epidemiological investigations. With extensive bioarchiving programs in the United States and other countries, DBS are poised to substantially aid epidemiological studies, particularly for rare and low-frequency childhood diseases and disorders.
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13
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Exposure to Persistent Organic Pollutants and Birth Characteristics: The Upstate KIDS Study. Epidemiology 2019; 30 Suppl 2:S94-S100. [PMID: 31569158 DOI: 10.1097/ede.0000000000001095] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/18/2022]
Abstract
BACKGROUND Prenatal exposure to persistent organic pollutants (POPs) may be associated with obesogenic effects in offspring. Our study is the first to investigate associations between concentrations of POPs from newborn dried blood spots (DBS) and birth characteristics. METHODS Concentrations of 10 polychlorinated biphenyl congeners (PCBs), polybrominated diphenyl ether-47 (PBDE-47), and p,p'-dichlorodiphenyldichloroethylene (p,p'-DDE) were measured from DBSs collected at birth from 2,065 singleton infants. DBS samples were pooled in groups of five and assayed together to reach limits of detection. Differences in risk of large for gestational age (LGA, defined as >90th percentile of birth weight for sex and gestational age), small for gestational age (SGA, <10th), and preterm birth (gestational age <37 weeks) were estimated using logistic regression per unit (ng/ml) increase in concentration of each chemical, adjusting for individual-level covariates, including maternal age, race/ethnicity, prepregnancy BMI, education, parity, smoking, and infant sex while assuming a gamma distribution and using multiple imputation to account for pools. RESULTS There were 215 (11.3%) singletons born LGA, 158 (7.5%) born SGA, and 157 (7.6%) born preterm. Higher concentrations of POPs were positively associated with slightly higher risk of LGA and higher birth weight. CONCLUSIONS Relationships between POPs measured in newborn DBS and birth size were mixed. Pooled analysis methods using DBS could address challenges in limits of detection and costs for population-based research.
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Yeung EH, Bell EM, Sundaram R, Ghassabian A, Ma W, Kannan K, Louis GM. Examining Endocrine Disruptors Measured in Newborn Dried Blood Spots and Early Childhood Growth in a Prospective Cohort. Obesity (Silver Spring) 2019; 27:145-151. [PMID: 30569634 PMCID: PMC6309795 DOI: 10.1002/oby.22332] [Citation(s) in RCA: 22] [Impact Index Per Article: 4.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/03/2018] [Accepted: 09/12/2018] [Indexed: 12/15/2022]
Abstract
OBJECTIVE The goal of this study was to determine whether newborn concentrations of perfluorooctane sulfonic acid (PFOS), perfluorooctanoic acid (PFOA), and bisphenol A (BPA) are associated with early childhood growth. METHODS A total of 1,954 singletons and 966 twins from the Upstate KIDS Study (born 2008-2010) were included in this study. Newborn dried blood spot concentrations of PFOS, PFOA, and BPA were quantified by liquid chromatography tandem mass spectrometry. Children's weight and height were reported from birth through 3 years of age. Repeated measures were modeled using generalized linear mixed models. RESULTS PFOS and PFOA were associated with lower BMI (-0.078 kg/m2 [-0.12 to -0.038] and -0.076 kg/m2 [-0.17 to -0.051] per 1 standard deviation increase in log PFOS and PFOA, respectively) and not with early obesity among singletons. Inconsistent associations were observed for twins. BPA levels were higher among neonates with a neonatal intensive care unit stay (P < 0.001), making associations difficult to interpret. CONCLUSIONS Perfluorinated alkyl substances did not exhibit obesogenic associations with early measures of childhood growth. Blood-based BPA measures are limited by the nonpersistent nature of the chemical, and unknown sources from hospital settings may present only transient exposures.
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Affiliation(s)
- Edwina H Yeung
- Epidemiology Branch, Division of Intramural Population Health Research, Eunice Kennedy Shriver National Institute of Child Health and Human Development, Bethesda, Maryland, USA
| | - Erin M Bell
- Department of Environmental Health Sciences, University at Albany School of Public Health, Albany, New York, USA
- Department of Epidemiology and Biostatistics, University at Albany School of Public Health, Albany, New York, USA
| | - Rajeshwari Sundaram
- Biostatistics and Bioinformatics Branch, Division of Intramural Population Health Research, Eunice Kennedy Shriver National Institute of Child Health and Human Development, Bethesda, Maryland, USA
| | - Akhgar Ghassabian
- Department of Pediatrics, New York University School of Medicine, New York, New York, USA
- Department of Environmental Medicine, New York University School of Medicine, New York, New York, USA
- Department of Population Health, New York University School of Medicine, New York, New York, USA
| | - Wanli Ma
- International Joint Research Center for Persistent Toxic Substances, State Key Laboratory of Urban Water Resource and Environment, Harbin Institute of Technology, Harbin, China
| | - Kurunthachalam Kannan
- Department of Environmental Health Sciences, University at Albany School of Public Health, Albany, New York, USA
- New York State Department of Health, Wadsworth Center, Albany, New York, USA
| | - Germaine M Louis
- Dean's Office, College of Health and Human Services, George Mason University, Fairfax, Virginia, USA
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Bell EM, Yeung EH, Ma W, Kannan K, Sundaram R, Smarr MM, Buck Louis GM. Concentrations of endocrine disrupting chemicals in newborn blood spots and infant outcomes in the upstate KIDS study. ENVIRONMENT INTERNATIONAL 2018; 121:232-239. [PMID: 30219610 PMCID: PMC6376484 DOI: 10.1016/j.envint.2018.09.005] [Citation(s) in RCA: 30] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/07/2018] [Revised: 08/03/2018] [Accepted: 09/04/2018] [Indexed: 05/19/2023]
Abstract
BACKGROUND Novel methodologies to quantify infant exposures to endocrine disrupting chemicals (EDCs) for population-based studies are needed. OBJECTIVES We used newborn dried blood spots to quantify three EDCs and their associations with infant outcomes in the Upstate KIDS Cohort. METHODS We measured bisphenol A (BPA), perfluorooctanesulfonic acid (PFOS) and perfluorooctanoic acid (PFOA) in 2071 singleton and 1040 twin infants born to mothers in New York State. We log transformed concentrations after rescaling by their standard deviations and modeled each in relation to gestational age, birthweight, length, head circumference and Ponderal Index (PI) using linear regression techniques. All models were adjusted for maternal age, body mass index, education, infertility treatment and parity. Generalized estimating equations with robust standard errors were used to assess the associations for twins. RESULTS Chemicals were largely quantified above the limits of detection (>99% for PFOS and PFOA; 90% for BPA). Overall, we observed no significant associations between PFASs and birth size irrespective of plurality of birth. However, among twins, BPA was associated with decreases in gestational age (adjusted β = -0.09 weeks; 95% Confidence Interval (CI): -0.16, -0.02) and birthweight (adjusted β = -32.52 g; 95% CI: -60.99, -4.05), head circumference (adjusted β = -0.18 cm; 95% CI: -0.38, -0.02) and increased PI in singletons (adjusted β = 0.02 cm; 95% CI: 0.004, 0.04). CONCLUSION We observed negative associations between BPA and birth size in twins. Our findings demonstrate the feasibility of newborn dried blood spots for quantifying neonatal exposure at the population level.
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Affiliation(s)
- Erin M Bell
- Department of Environmental Health Sciences & Epidemiology and Biostatistics, University at Albany School of Public Health, Rensselaer, New York, United States.
| | - Edwina H Yeung
- Epidemiology Branch, Division of Intramural Population Health Research, Eunice Kennedy Shriver National Institute of Child Health and Human Development, Bethesda, MD, United States.
| | - Wanli Ma
- Wadsworth Center, New York State Department of Health, and Department of Environmental Health Sciences, School of Public Health, State University of New York at Albany, Albany, NY, United States; International Joint Research Center for Persistent Toxic Substances, State Key Laboratory of Urban Water Resource and Environment, Harbin Institute of Technology, Harbin 150090, China
| | - Kurunthachalam Kannan
- Wadsworth Center, New York State Department of Health, and Department of Environmental Health Sciences, School of Public Health, State University of New York at Albany, Albany, NY, United States.
| | - Rajeshwari Sundaram
- Biostatistics and Bioinformatics Branch, Division of Intramural Population Health Research, Eunice Kennedy Shriver National Institute of Child Health and Human Development, Bethesda, MD, United States.
| | - Melissa M Smarr
- Department of Environmental Health, Emory University School of Public Health, Atlanta, GA, United States.
| | - Germaine M Buck Louis
- Dean's Office, College of Health and Human Services, George Mason University, Fairfax, VA, United States.
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Ghassabian A, Bell EM, Ma WL, Sundaram R, Kannan K, Buck Louis GM, Yeung E. Concentrations of perfluoroalkyl substances and bisphenol A in newborn dried blood spots and the association with child behavior. ENVIRONMENTAL POLLUTION (BARKING, ESSEX : 1987) 2018; 243:1629-1636. [PMID: 30296759 PMCID: PMC6221990 DOI: 10.1016/j.envpol.2018.09.107] [Citation(s) in RCA: 43] [Impact Index Per Article: 7.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/06/2018] [Revised: 09/20/2018] [Accepted: 09/20/2018] [Indexed: 05/18/2023]
Abstract
Experimental studies suggest that prenatal exposure to endocrine disrupting chemicals interferes with developmental processes in the fetal brain. Yet, epidemiological evidence is inconclusive. In a birth cohort (2008-2010, upstate New York), we quantified concentrations of perfluorooctane sulfonic acid (PFOS), perfluorooctanoic acid (PFOA), and bisphenol A (BPA) in stored newborn dried blood spots using liquid chromatography/tandem mass spectrometry. Mothers reported on children's behavior using the Strengths and Difficulties Questionnaire at age 7 (650 singletons and 138 twins). Difficulties in total behavior (i.e., emotional, conduct, hyperactivity, and peer problems) and prosocial behavior were classified using validated cut-offs. We used logistic regression with generalized estimating equations to estimate the odds of having difficulties per exposure category. In total, 111 children (12.1%) had total behavioral difficulties and 60 (6.5%) had difficulties in prosocial behavior. The median (interquartile range) of PFOS, PFOA, and BPA were 1.74 ng/ml (1.33), 1.12 ng/ml (0.96), and 7.93 ng/ml (10.79), respectively. Higher PFOS levels were associated with increased odds of having behavioral difficulties (OR per SD of log PFOS = 1.30, 95%CI: 1.03-1.65). We observed associations between PFOS in the highest relative to the lowest quartile and behavioral difficulties (OR for PFOS1.14-1.74 = 1.65, 95%CI: 0.84-3.34; PFOS1.75-2.47 = 1.73, 95%CI: 0.87-3.43; and PFOS>2.47 = 2.47, 95%CI: 1.29-4.72 compared to PFOS<1.41). The associations between higher concentrations of PFOS and behavioral difficulties at age 7 years were driven by problems in conduct and emotional symptoms. Higher PFOA levels were associated with difficulties in prosocial behavior (OR = 1.35, 95%CI: 1.03-1.75). There was an inverse association between BPA concentrations and difficulties in prosocial behavior but only in the 2nd and 4th quartiles. We found no interactions between sex and chemical concentrations. Increasing prenatal exposure to PFOS and PFOA, as reflected in neonatal concentrations, may pose risk for child behavioral difficulties.
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Affiliation(s)
- Akhgar Ghassabian
- Departments of Pediatrics, New York University School of Medicine, 403 East 34th St, New York, NY, USA; Department of Environmental Medicine, New York University School of Medicine, 403 East 34th St, New York, NY, USA; Department of Population Health, New York University School of Medicine, 403 East 34th St, New York, NY, USA.
| | - Erin M Bell
- Department of Environmental Health Sciences, University at Albany, State University of New York, GEC 149, One University Place, Rensselaer, Albany, NY, USA; Epidemiology and Biostatistics, University at Albany, State University of New York, GEC 149, One University Place, Rensselaer, Albany, NY, USA.
| | - Wan-Li Ma
- International Joint Research Center for Persistent Toxic Substances, State Key Laboratory of Urban Water Resource and Environment, Harbin Institute of Technology, Harbin, 150090, China.
| | - Rajeshwari Sundaram
- Biostatistics and Bioinformatics Branch, Division of Intramural Population Health Research, Eunice Kennedy Shriver National Institute of Child Health and Human Development, National Institutes of Health, 6710B Rockledge Dr., MSC 7004, Bethesda, MD, USA.
| | - Kurunthachalam Kannan
- Department of Environmental Health Sciences, University at Albany, State University of New York, GEC 149, One University Place, Rensselaer, Albany, NY, USA; Wadsworth Center, New York State Department of Health, Department of Environmental Health Sciences, State University of New York at Albany, Empire State Plaza, PO Box 509, Albany, NY, USA.
| | - Germaine M Buck Louis
- Dean's Office, College of Health and Human Services, George Mason University, 4400 University Dr., Fairfax, VA, USA.
| | - Edwina Yeung
- Epidemiology Branch, Division of Intramural Population Health Research, Eunice Kennedy Shriver National Institute of Child Health and Human Development, National Institutes of Health, 6710B Rockledge Dr., MSC 7004, Bethesda, MD, USA.
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Yeung EH, Sundaram R, Xie Y, Lawrence DA. Newborn adipokines and early childhood growth. Pediatr Obes 2018; 13:505-513. [PMID: 29781193 PMCID: PMC6105426 DOI: 10.1111/ijpo.12283] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/13/2017] [Revised: 02/09/2018] [Accepted: 02/19/2018] [Indexed: 12/20/2022]
Abstract
BACKGROUND While adipokines can regulate satiety and energy metabolism, whether they are associated with childhood growth is unclear. OBJECTIVE To evaluate whether adipokine levels at birth are associated with growth. METHODS A total of 2264 singletons and 1144 twins from Upstate KIDS (born 2008-2010) had adiponectin, leptin, resistin and complement factor D measured in newborn blood spots. Parents reported anthropometry from paediatric visits via questionnaires every 4-6 months. Generalized linear mixed effects models were used to estimate growth trajectories through 3 years of age. RESULTS Among singletons, resistin and leptin were associated with greater weight-for-age (0.12 z-score units (95%CI: 0.04, 0.20) [p = 0.003] and 0.15 (0.06, 0.24) [p = 0.001], respectively) and BMI z-score (0.11; 0.02, 0.20 [p = 0.02] and 0.18; 0.07, 0.28 [p = 0.002], respectively). After adjusting for birthweight, resistin and a ratio of resistin-to-adiponectin remained associated with weight through 3 years of age and odds of being overweight at 3 years of age in a subgroup of singletons. Among twins, adiponectin was associated with increased weight-for-age and length-for-age z-scores even after adjusting for birthweight (0.18; 0.08, 0.28 [p = 0.0006]; 0.20; 0.07, 0.33 [p = 0.003], respectively). CONCLUSIONS Levels of adipokines were associated with early childhood growth in small magnitudes. Resistin may be relevant for further examination in paediatric obesity.
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Affiliation(s)
- Edwina H. Yeung
- Epidemiology Branch, Division of Intramural Population Health Research, Eunice Kennedy Shriver National Institute of Child Health and Human Development, 6170B Rockledge Dr., Bethesda, MD 20892, USA
| | - Rajeshwari Sundaram
- Biostatistics and Bioinformatics Branch, Division of Intramural Population Health Research, Eunice Kennedy Shriver National Institute of Child Health and Human Development, 6170B Rockledge Dr., Bethesda, MD 20892, USA
| | - Yunlong Xie
- Gloltec, Inc., 6710B Rockledge Drive, Bethesda, MD, United States, 20892
| | - David A. Lawrence
- Wadsworth Center, New York State Department of Health, 128 New Scotland Avenue, Albany, NY, USA 12208,Department of Environmental Health Sciences, University at Albany School of Public Health, Albany, NY, USA 12208
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18
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Ghassabian A, Sundaram R, Chahal N, McLain AC, Bell EM, Lawrence DA, Gilman SE, Yeung EH. Concentrations of immune marker in newborn dried blood spots and early childhood development: Results from the Upstate KIDS Study. Paediatr Perinat Epidemiol 2018; 32:337-345. [PMID: 29972605 PMCID: PMC6763275 DOI: 10.1111/ppe.12485] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/20/2022]
Abstract
BACKGROUND Evidence shows cytokine dysregulation in children with developmental disabilities. The association between immune activity during the perinatal period and child development is less clear. METHODS We examined the relationship between newborn concentrations of immune markers and child development. Within Upstate KIDS, a population-based birth cohort (2008-2010, upstate New York), we assayed immune markers, which are postulated to have neuro-modulatory effects, in newborn dried blood spots (NDBS, n = 3038). Mothers completed the Ages & Stages Questionnaire© (ASQ) for their children repeatedly through age 36 months. At 30 and 36 months, mothers also reported whether their children received any developmental services. We used generalised linear mixed models adjusted for maternal and child characteristics to test associations. RESULTS Sixteen immune markers were associated with failing ASQ in unadjusted models. After full adjustment (for gestational age, mode of delivery, parity, pregnancy smoking, etc.), we observed that higher levels of 4 markers, including platelet-derived growth factor-AA (PDGF-AA, OR 0.77, 95% CI 0.67, 0.89), plasminogen activator inhibitor-1 (OR 0.80, 95% CI 0.68, 0.94), stromal cell derived factor-1 (OR 0.85, 95% CI 0.73, 0.98), and macrophage inflammatory protein-1beta (OR 0.87, 95% CI 0.77, 0.98) were associated with lower odds of ASQ failure. The associations did not exist if correction for multiple comparisons was performed, except for PDGF-AA. Analyses with developmental service use revealed similar null findings. CONCLUSIONS Immune marker concentrations in NDBS may not be associated with developmental delay in the general population. Newborn concentrations of growth factor PDGF-AA may be protective of developmental delay in childhood.
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Affiliation(s)
- Akhgar Ghassabian
- Departments of Pediatrics, Environmental Medicine, and
Population Health, New York University School of Medicine, New York, NY,Epidemiology Branch, Division of Intramural Population
Health Research, Eunice Kennedy Shriver National Institute of Child
Health and Human Development, National Institutes of Health, Bethesda, MD
| | - Rajeshwari Sundaram
- Biostatistics and Bioinformatics Branch, Division of
Intramural Population Health Research, Eunice Kennedy Shriver
National Institute of Child Health and Human Development, National Institutes of
Health, Bethesda, MD
| | - Nikhita Chahal
- Epidemiology Branch, Division of Intramural Population
Health Research, Eunice Kennedy Shriver National Institute of Child
Health and Human Development, National Institutes of Health, Bethesda, MD
| | - Alexander C McLain
- Department of Epidemiology and Biostatistics, Arnold
School of Public Health, University of South Carolina, SC
| | - Erin M. Bell
- Department of Environmental Health Sciences,Department of Epidemiology and Biostatistics, University
at Albany School of Public Health, Albany, NY
| | - David A Lawrence
- Department of Environmental Health Sciences,Wadsworth Center, New York State Department of Health,
Albany, NY
| | - Stephen E. Gilman
- Health Behavior Branch, Division of Intramural Population
Health Research, Eunice Kennedy Shriver National Institute of Child
Health and Human Development, National Institutes of Health, Bethesda, MD,Department of Mental Health, The Johns Hopkins Bloomberg
School of Public Health, Baltimore, MD
| | - Edwina H Yeung
- Epidemiology Branch, Division of Intramural Population
Health Research, Eunice Kennedy Shriver National Institute of Child
Health and Human Development, National Institutes of Health, Bethesda, MD
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Bierer BE, Barnes M, Lynch HF. Revised 'Common Rule' Shapes Protections For Research Participants. Health Aff (Millwood) 2018; 36:784-788. [PMID: 28461343 DOI: 10.1377/hlthaff.2017.0307] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/05/2022]
Abstract
Investigators and institutions have begun to prepare for new federal protections of study participants set to take effect in 2018.
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Affiliation(s)
- Barbara E Bierer
- Barbara E. Bierer is faculty co-director of the Multi-Regional Clinical Trials Center of Brigham and Women's Hospital and Harvard (MRCT Center); director of the Regulatory Foundations, Ethics and Law Program, Harvard Catalyst; and a professor of Medicine at Brigham and Women's Hospital and Harvard Medical School, in Boston, Massachusetts. Mark Barnes is a partner at Ropes and Gray LLP, a visiting lecturer at Yale Law School, and faculty co-director of the MRCT Center. Holly Fernandez Lynch is executive director of the Petrie-Flom Center for Health Law Policy, Biotechnology, and Bioethics at Harvard Law School, and faculty in the Harvard Medical School Center for Bioethics
| | - Mark Barnes
- Barbara E. Bierer is faculty co-director of the Multi-Regional Clinical Trials Center of Brigham and Women's Hospital and Harvard (MRCT Center); director of the Regulatory Foundations, Ethics and Law Program, Harvard Catalyst; and a professor of Medicine at Brigham and Women's Hospital and Harvard Medical School, in Boston, Massachusetts. Mark Barnes is a partner at Ropes and Gray LLP, a visiting lecturer at Yale Law School, and faculty co-director of the MRCT Center. Holly Fernandez Lynch is executive director of the Petrie-Flom Center for Health Law Policy, Biotechnology, and Bioethics at Harvard Law School, and faculty in the Harvard Medical School Center for Bioethics
| | - Holly Fernandez Lynch
- Barbara E. Bierer is faculty co-director of the Multi-Regional Clinical Trials Center of Brigham and Women's Hospital and Harvard (MRCT Center); director of the Regulatory Foundations, Ethics and Law Program, Harvard Catalyst; and a professor of Medicine at Brigham and Women's Hospital and Harvard Medical School, in Boston, Massachusetts. Mark Barnes is a partner at Ropes and Gray LLP, a visiting lecturer at Yale Law School, and faculty co-director of the MRCT Center. Holly Fernandez Lynch is executive director of the Petrie-Flom Center for Health Law Policy, Biotechnology, and Bioethics at Harvard Law School, and faculty in the Harvard Medical School Center for Bioethics
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Kim UJ, Kannan K. Method for the Determination of Iodide in Dried Blood Spots from Newborns by High Performance Liquid Chromatography Tandem Mass Spectrometry. Anal Chem 2018; 90:3291-3298. [PMID: 29412637 DOI: 10.1021/acs.analchem.7b04827] [Citation(s) in RCA: 18] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/06/2023]
Abstract
Dried blood spots (DBS), collected for newborn screening programs in the United States, have been used to screen for congenital metabolic diseases in newborns for over 50 years. DBS provide an easy and inexpensive way to collect and store peripheral blood specimens and present an excellent resource for studies on the assessment of chemical exposures in newborns. In this study, a selective and sensitive method was developed for the analysis of iodide in DBS by high performance liquid chromatography electrospray tandem mass spectrometry. Accuracy, inter- and intraday precision, matrix effects, and detection limits of the method were determined. Further validation of the method was accomplished by concurrent analysis of whole blood and fortified blood spotted on a Whatman 903 filter card. A significant positive correlation was found between measured concentrations of iodide in venous whole blood and the same blood spotted as DBS. The method limit of detection was 0.15 ng/mL iodide. The method was further validated by the analysis of a whole blood sample certified for iodide levels (proficiency testing sample) by spotting on a filter card. Twenty DBS samples collected from newborns in New York State were analyzed to demonstrate the applicability of the method. The measured concentrations of iodide in whole blood of newborns from New York State ranged between <LOD and 16.4 ng/mL. The developed method is applicable for the analysis of DBS collected for epidemiological studies that investigate the importance of iodide on the health of newborns.
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Affiliation(s)
- Un-Jung Kim
- Wadsworth Center, New York State Department of Health, and Department of Environmental Health Sciences, School of Public Health , State University of New York at Albany , Empire State Plaza, P.O. Box 509 , Albany , New York 12201-0509 , United States
| | - Kurunthachalam Kannan
- Wadsworth Center, New York State Department of Health, and Department of Environmental Health Sciences, School of Public Health , State University of New York at Albany , Empire State Plaza, P.O. Box 509 , Albany , New York 12201-0509 , United States.,Biochemistry Department, Faculty of Science and Experimental Biochemistry Unit, King Fahd Medical Research Center , King Abdulaziz University , Jeddah 21589 , Saudi Arabia
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Ghassabian A, Sundaram R, Chahal N, McLain AC, Bell E, Lawrence DA, Yeung EH. Determinants of neonatal brain-derived neurotrophic factor and association with child development. Dev Psychopathol 2017; 29:1499-1511. [PMID: 28462726 PMCID: PMC6201316 DOI: 10.1017/s0954579417000414] [Citation(s) in RCA: 18] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Abstract
Using a population-based birth cohort in upstate New York (2008-2010), we examined the determinants of brain-derived neurotrophic factor (BDNF) measured in newborn dried blood spots (n = 2,637). We also examined the association between neonatal BDNF and children's development. The cohort was initially designed to examine the influence of infertility treatment on child development but found no impact. Mothers rated children's development in five domains repeatedly through age 3 years. Socioeconomic and maternal lifestyle determinants of BDNF were examined using multivariable linear regression models. Generalized linear mixed models estimated odds ratios for neonatal BDNF in relation to failing a developmental domain. Smoking and drinking in pregnancy, nulliparity, non-White ethnicity/race, and prepregnancy obesity were associated with lower neonatal BDNF. Neonatal BDNF was not associated with failure for developmental domains; however, there was an interaction between BDNF and preterm birth. In preterm infants, a higher BDNF was associated with lower odds of failing any developmental domains, after adjusting for confounders and infertility treatment. This result was particularly significant for failure in communication. Our findings suggest that BDNF levels in neonates may be impacted by maternal lifestyle characteristics. More specifically, lower neonatal BDNF might be an early marker of aberrant neurodevelopment in preterm infants.
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Chahal N, McLain AC, Ghassabian A, Michels KA, Bell EM, Lawrence DA, Yeung EH. Maternal Smoking and Newborn Cytokine and Immunoglobulin Levels. Nicotine Tob Res 2017; 19:789-796. [PMID: 28011791 PMCID: PMC5939663 DOI: 10.1093/ntr/ntw324] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/15/2016] [Accepted: 11/30/2016] [Indexed: 12/11/2022]
Abstract
INTRODUCTION Prenatal smoking exposure may lead to permanent changes in neonatal inflammation and immune response that have lifelong implications, including increased risks for atopy and respiratory disorders. METHODS The effect of maternal smoking on neonatal biomarkers of inflammation and immune response was assessed among 3459 singletons and twins in the Upstate KIDS Study. The following inflammatory biomarkers were measured using newborn dried blood spots (DBSs): interleukin (IL)-1α, IL-1 receptor antagonist, IL-6, IL-8, C-reactive protein, and tumor necrosis factor alpha. Immunoglobulins (IgE, IgA, IgM, and IgG subclasses) were also assessed. We used generalized estimating equations to calculate mean differences (β) in biomarker levels by timing of pregnancy smoking, cigarette load, and secondhand smoke exposure after adjusting for sociodemographic and lifestyle factors including maternal body mass index. RESULTS Of the 344 (12%) women reporting smoking during pregnancy, about 40% continued throughout pregnancy and 13% reported smoking more than 1 pack per day. After covariate adjustment and Bonferroni correction for multiple comparisons, maternal smoking throughout pregnancy remained significantly associated with increased levels of IL-8 (β = 0.20, 95% confidence interval: 0.07, 0.32; p < .003). No significant associations were found with cigarette load or secondhand smoke exposure. Higher IgG3 levels were also associated with maternal smoking throughout pregnancy, although the association became nominally significant after adjustment for covariates (β = 0.09; 95% confidence interval: 0.0007, 0.17; p < .05). CONCLUSIONS Maternal smoking throughout pregnancy was independently associated with increased IL-8 levels in newborns. Importantly, neonates of women who stopped smoking anytime in pregnancy did not have increased IL-8 levels. IMPLICATIONS This study evaluated a range of inflammatory biomarkers and immunoglobulins in association with maternal smoking and timing/duration of smoking along with secondhand smoke exposure. By using DBSs, we present data from a large cohort of children born in Upstate New York. Our findings suggest that early differences in immunoregulation of neonates exposed to maternal smoking for full duration in utero may already be detected at birth.
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Affiliation(s)
- Nikhita Chahal
- Division of Intramural Population Health Research, Eunice Kennedy Shriver National Institute of Child Health and Human Development, Bethesda, MD
| | - Alexander C McLain
- Department of Epidemiology and Biostatistics, Arnold School of Public Health, University of South Carolina, Columbia, SC
| | - Akhgar Ghassabian
- Division of Intramural Population Health Research, Eunice Kennedy Shriver National Institute of Child Health and Human Development, Bethesda, MD
| | - Kara A Michels
- Division of Intramural Population Health Research, Eunice Kennedy Shriver National Institute of Child Health and Human Development, Bethesda, MD
| | - Erin M Bell
- Department of Environmental Health Sciences, University at Albany School of Public Health, Albany, NY
- Department of Epidemiology and Biostatistics, University at Albany School of Public Health, Albany, NY
| | - David A Lawrence
- Department of Environmental Health Sciences, University at Albany School of Public Health, Albany, NY
- Wadsworth Center, New York State Department of Health, Albany, NY
| | - Edwina H Yeung
- Division of Intramural Population Health Research, Eunice Kennedy Shriver National Institute of Child Health and Human Development, Bethesda, MD
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Impact of parental obesity on neonatal markers of inflammation and immune response. Int J Obes (Lond) 2016; 41:30-37. [PMID: 27780976 PMCID: PMC5209273 DOI: 10.1038/ijo.2016.187] [Citation(s) in RCA: 21] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/08/2016] [Revised: 08/25/2016] [Accepted: 09/25/2016] [Indexed: 12/11/2022]
Abstract
Background/Objectives Maternal obesity may influence neonatal and childhood morbidities through increased inflammation and/or altered immune response. Less is known about paternal obesity. We hypothesized that excessive parental weight contributes to elevated inflammation and altered immunoglobulin (Ig) profiles in neonates. Subjects/Methods In the Upstate KIDS Study maternal pre-pregnancy body mass index (BMI) was obtained from vital records and paternal BMI from maternal report. Biomarkers were measured from newborn dried blood spots (DBS) among neonates whose parents provided consent. Inflammatory scores were calculated by assigning one point for each of 5 pro-inflammatory biomarkers above the median and one point for an anti-inflammatory cytokine below the median. Linear regression models and generalized estimating equations were used to estimate mean differences (β) and 95% confidence intervals (CI) in the inflammatory score and Ig levels by parental overweight/obesity status compared to normal weight. Results Among 2974 pregnancies, 51% were complicated by excessive maternal weight (BMI>25), 73% by excessive paternal weight, and 28% by excessive gestational weight gain. Maternal BMI categories of overweight (BMI 25.0-29.9) and obese class II/III (BMI≥35) were associated with increased neonatal inflammation scores (β=0.12, 95% CI: 0.02, 0.21; p=0.02, and β=0.13, CI: −0.002, 0.26; p=0.05, respectively) but no increase was observed in the obese class I group (BMI 30-34.9). Mothers with class I and class II/III obesity had newborns with increased IgM levels (β=0.11, CI: 0.04, 0.17; p=0.001 and β=0.12, CI: 0.05, 0.19); p<0.001, respectively). Paternal groups of overweight, obese class I and obese class II/III had decreased neonatal IgM levels (β=−0.08, CI: −0.13,-0.03, p=0.001; β=−0.07, CI: −0.13, −0.01, p=0.029 and β=−0.11, CI:−0.19,-0.04, p=0.003, respectively). Conclusions Excessive maternal weight was generally associated with increased inflammation and IgM supporting previous observations of maternal obesity and immune dysregulation in offspring. The role of paternal obesity requires further study.
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