PMID- 23022914 OWN - NLM STAT- MEDLINE DCOM- 20130430 LR - 20211021 IS - 1872-9738 (Electronic) IS - 0892-0362 (Print) IS - 0892-0362 (Linking) VI - 34 IP - 6 DP - 2012 Nov-Dec TI - Maternal transfer of BDE-47 to offspring and neurobehavioral development in C57BL/6J mice. PG - 571-80 LID - S0892-0362(12)00164-X [pii] LID - 10.1016/j.ntt.2012.09.005 [doi] AB - Polybrominated diphenyl ethers (PBDEs) are flame retardants used worldwide in a variety of commercial goods, and are now widely found in both environmental and biological samples. BDE-47 is one of the most pervasive of these PBDE congeners and therefore is of particular concern. In this study C57BL/6J mice were exposed perinatally to 0.03, 0.1 or 1mg/kg/day of BDE-47, a dose range chosen to encompass human exposure levels. Tissue levels of BDE-47 were measured in the blood, brain, fat and milk of dams and in whole fetal homogenate and blood and brain of pups on gestational day (GD) 15, and postnatal days (PNDs) 1, 10 and 21. From GD 15 to PND 1 levels of BDE-47 increased within dam tissues and then decreased from PNDs 1 to 21. Over the period of lactation levels in dam milk were comparatively high when compared to both brain and blood for all dose groups. Measurable levels of BDE-47 were found in the fetus on GD 15 confirming gestational exposure. From PNDs 1 to 21, levels of BDE-47 in pup tissue increased over the period of lactation due to the transfer of BDE-47 through milk. Behavioral tests of fine motor function and learning and memory were carried out between postnatal weeks 5-17 in order to evaluate the neurobehavioral toxicity of BDE-47. Behavioral deficits were only seen in the Barnes spatial maze where mice in the three exposure groups had longer latencies and traveled longer distances to find the escape hole when compared to vehicle control mice. These results support the conclusions that perinatal exposure to BDE-47 can have neurodevelopmental consequences, and that lactational exposure represents a significant exposure risk during development. CI - Copyright (c) 2012 Elsevier Inc. All rights reserved. FAU - Koenig, Claire M AU - Koenig CM AD - Center for Children's Environmental Health, University of California Davis, Davis, CA 95616, USA. cmkoenig@ucdavis.edu FAU - Lango, Jozsef AU - Lango J FAU - Pessah, Isaac N AU - Pessah IN FAU - Berman, Robert F AU - Berman RF LA - eng GR - P01 ES011269/ES/NIEHS NIH HHS/United States GR - 5P42 ES04699/ES/NIEHS NIH HHS/United States GR - T32 ES007059/ES/NIEHS NIH HHS/United States GR - P42 ES004699/ES/NIEHS NIH HHS/United States GR - 1P01 ES11269/ES/NIEHS NIH HHS/United States GR - R01 ES014901/ES/NIEHS NIH HHS/United States GR - T32ES0007059/ES/NIEHS NIH HHS/United States 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, Non-P.H.S. DEP - 20120928 PL - United States TA - Neurotoxicol Teratol JT - Neurotoxicology and teratology JID - 8709538 RN - 0 (Environmental Pollutants) RN - 0 (Halogenated Diphenyl Ethers) RN - 0 (Polybrominated Biphenyls) RN - 0N97R5X10X (2,2',4,4'-tetrabromodiphenyl ether) SB - IM MH - Animals MH - Behavior, Animal/*drug effects MH - Environmental Pollutants/pharmacokinetics/*toxicity MH - Female MH - Halogenated Diphenyl Ethers MH - Male MH - *Maternal-Fetal Exchange MH - Mice MH - Mice, Inbred C57BL MH - Milk/metabolism MH - Motor Activity/drug effects MH - Nervous System/*drug effects/embryology/growth & development MH - Polybrominated Biphenyls/pharmacokinetics/*toxicity MH - Pregnancy MH - Prenatal Exposure Delayed Effects/*chemically induced/metabolism MH - Tissue Distribution PMC - PMC3501584 MID - NIHMS410999 COIS- Conflict of interest statement The authors declare that there are no conflicts of interest. EDAT- 2012/10/02 06:00 MHDA- 2013/05/01 06:00 PMCR- 2013/11/01 CRDT- 2012/10/02 06:00 PHST- 2012/06/13 00:00 [received] PHST- 2012/09/07 00:00 [revised] PHST- 2012/09/21 00:00 [accepted] PHST- 2012/10/02 06:00 [entrez] PHST- 2012/10/02 06:00 [pubmed] PHST- 2013/05/01 06:00 [medline] PHST- 2013/11/01 00:00 [pmc-release] AID - S0892-0362(12)00164-X [pii] AID - 10.1016/j.ntt.2012.09.005 [doi] PST - ppublish SO - Neurotoxicol Teratol. 2012 Nov-Dec;34(6):571-80. doi: 10.1016/j.ntt.2012.09.005. Epub 2012 Sep 28.