PMID- 35589962 OWN - NLM STAT- MEDLINE DCOM- 20220727 LR - 20221120 IS - 1476-5497 (Electronic) IS - 0307-0565 (Print) IS - 0307-0565 (Linking) VI - 46 IP - 8 DP - 2022 Aug TI - In-utero co-exposure to toxic metals and micronutrients on childhood risk of overweight or obesity: new insight on micronutrients counteracting toxic metals. PG - 1435-1445 LID - 10.1038/s41366-022-01127-x [doi] AB - BACKGROUND/OBJECTIVES: Low-level, in-utero exposure to toxic metals such as lead (Pb) and mercury (Hg) is widespread in the US and worldwide; and, individually, was found to be obesogenic in children. To address the literature gaps on the health effects of co-exposure to low-level toxic metals and the lack of intervention strategy, we aimed to investigate the association between in-utero co-exposure to Hg, Pb, cadmium (Cd) and childhood overweight or obesity (OWO) and whether adequate maternal micronutrients (selenium (Se) and folate) can be protective. SUBJECTS/METHODS: This study included 1442 mother-child pairs from the Boston Birth Cohort, a predominantly urban, low-income, Black, and Hispanic population, who were enrolled at birth and followed prospectively up to age 15 years. Bayesian kernel machine regression (BKMR) was applied to estimate individual and joint effects of exposures to metals and micronutrients on childhood OWO while adjusting for pertinent covariables. Stratified analyses by maternal OWO and micronutrient status were performed to identify sensitive subgroups. RESULTS: In this sample of understudied US children, low-level in-utero co-exposure to Hg, Pb, and Cd was widespread. Besides individual positive associations of maternal Hg and Pb exposure with offspring OWO, BKMR clearly indicated a positive dose-response association between in-utero co-exposure to the three toxic metals and childhood OWO. Notably, the metal mixture-OWO association was more pronounced in children born to mothers with OWO; and in such a setting, the association was greatly attenuated if mothers had higher Se and folate levels. CONCLUSIONS: In this prospective cohort of US children at high-risk of toxic metal exposure and OWO, we demonstrated that among children born to mothers with OWO, low-level in-utero co-exposure to Hg, Pb, and Cd increased the risk of childhood OWO; and that adequate maternal Se and folate levels mitigated the risk of childhood OWO. CLINICAL TRIAL REGISTRY NUMBER AND WEBSITE WHERE IT WAS OBTAINED: NCT03228875. CI - (c) 2022. The Author(s), under exclusive licence to Springer Nature Limited. FAU - Huang, Wanyu AU - Huang W AUID- ORCID: 0000-0002-7276-5892 AD - Department of Civil and Systems Engineering, Johns Hopkins University Whiting School of Engineering, Baltimore, MD, USA. FAU - Igusa, Tak AU - Igusa T AD - Department of Civil and Systems Engineering, Johns Hopkins University Whiting School of Engineering, Baltimore, MD, USA. tigusa1@jhu.edu. AD - Department of Applied Mathematics and Statistics, Johns Hopkins University Whiting School of Engineering, Baltimore, MD, USA. tigusa1@jhu.edu. FAU - Wang, Guoying AU - Wang G AD - Center on Early Life Origins of Disease, Department of Population, Family and Reproductive Health, Johns Hopkins University Bloomberg School of Public Health, Baltimore, MD, USA. FAU - Buckley, Jessie P AU - Buckley JP AD - Department of Environmental Health and Engineering, Johns Hopkins University Bloomberg School of Public Health, Baltimore, MD, USA. FAU - Hong, Xiumei AU - Hong X AD - Center on Early Life Origins of Disease, Department of Population, Family and Reproductive Health, Johns Hopkins University Bloomberg School of Public Health, Baltimore, MD, USA. FAU - Bind, Eric AU - Bind E AUID- ORCID: 0000-0003-3074-2833 AD - New Jersey Department of Health, Environmental and Chemical Laboratory Services, Metals Laboratory, P. O. Box 360, Trenton, NJ, USA. FAU - Steffens, Andrew AU - Steffens A AD - New Jersey Department of Health, Environmental and Chemical Laboratory Services, Metals Laboratory, P. O. Box 360, Trenton, NJ, USA. FAU - Mukherjee, Jhindan AU - Mukherjee J AD - New Jersey Department of Health, Environmental and Chemical Laboratory Services, Metals Laboratory, P. O. Box 360, Trenton, NJ, USA. FAU - Haltmeier, Douglas AU - Haltmeier D AD - New Jersey Department of Health, Environmental and Chemical Laboratory Services, Metals Laboratory, P. O. Box 360, Trenton, NJ, USA. FAU - Ji, Yuelong AU - Ji Y AD - Center on Early Life Origins of Disease, Department of Population, Family and Reproductive Health, Johns Hopkins University Bloomberg School of Public Health, Baltimore, MD, USA. FAU - Xu, Richard AU - Xu R AD - Department of Biostatistics, Johns Hopkins University Bloomberg School of Public Health, Baltimore, MD, USA. FAU - Hou, Wenpin AU - Hou W AD - Department of Biostatistics, Johns Hopkins University Bloomberg School of Public Health, Baltimore, MD, USA. FAU - Tina Fan, Zhihua AU - Tina Fan Z AD - New Jersey Department of Health, Environmental and Chemical Laboratory Services, Metals Laboratory, P. O. Box 360, Trenton, NJ, USA. FAU - Wang, Xiaobin AU - Wang X AUID- ORCID: 0000-0003-4451-302X AD - Center on Early Life Origins of Disease, Department of Population, Family and Reproductive Health, Johns Hopkins University Bloomberg School of Public Health, Baltimore, MD, USA. xwang82@jhu.edu. AD - Department of Pediatrics, Johns Hopkins University School of Medicine, Baltimore, MD, USA. xwang82@jhu.edu. LA - eng SI - ClinicalTrials.gov/NCT03228875 GR - R01 ES031521/ES/NIEHS NIH HHS/United States GR - R21 HD066471/HD/NICHD NIH HHS/United States GR - R01 HD098232/HD/NICHD NIH HHS/United States GR - R01 ES031272/ES/NIEHS NIH HHS/United States GR - R21 ES011666/ES/NIEHS NIH HHS/United States GR - R01 HD086013/HD/NICHD NIH HHS/United States GR - R01 HD041702/HD/NICHD NIH HHS/United States GR - R03 ES029594/ES/NIEHS NIH HHS/United States PT - Clinical Study PT - Journal Article PT - Research Support, N.I.H., Extramural PT - Research Support, Non-U.S. Gov't PT - Research Support, U.S. Gov't, P.H.S. DEP - 20220519 PL - England TA - Int J Obes (Lond) JT - International journal of obesity (2005) JID - 101256108 RN - 0 (Metals) RN - 0 (Micronutrients) RN - 00BH33GNGH (Cadmium) RN - 2P299V784P (Lead) RN - 935E97BOY8 (Folic Acid) RN - FXS1BY2PGL (Mercury) SB - IM MH - Adolescent MH - Bayes Theorem MH - Cadmium/toxicity MH - Child MH - Child, Preschool MH - Female MH - Folic Acid MH - Humans MH - Infant MH - Infant, Newborn MH - Lead/toxicity MH - Mercury/toxicity MH - *Metals/toxicity MH - *Micronutrients MH - Overweight/epidemiology MH - *Pediatric Obesity/epidemiology MH - Pregnancy MH - *Prenatal Exposure Delayed Effects/epidemiology MH - Prospective Studies PMC - PMC9329205 MID - NIHMS1798372 COIS- Competing Financial Interests The authors declare they have no actual or potential competing financial interests. EDAT- 2022/05/20 06:00 MHDA- 2022/07/28 06:00 PMCR- 2022/11/19 CRDT- 2022/05/19 23:32 PHST- 2022/02/17 00:00 [received] PHST- 2022/04/13 00:00 [accepted] PHST- 2022/04/11 00:00 [revised] PHST- 2022/05/20 06:00 [pubmed] PHST- 2022/07/28 06:00 [medline] PHST- 2022/05/19 23:32 [entrez] PHST- 2022/11/19 00:00 [pmc-release] AID - 10.1038/s41366-022-01127-x [pii] AID - 10.1038/s41366-022-01127-x [doi] PST - ppublish SO - Int J Obes (Lond). 2022 Aug;46(8):1435-1445. doi: 10.1038/s41366-022-01127-x. Epub 2022 May 19.