PMID- 19440500 OWN - NLM STAT- MEDLINE DCOM- 20090702 LR - 20211020 IS - 1552-9924 (Electronic) IS - 0091-6765 (Print) IS - 0091-6765 (Linking) VI - 117 IP - 4 DP - 2009 Apr TI - Persistent organic pollutant residues in human fetal liver and placenta from Greater Montreal, Quebec: a longitudinal study from 1998 through 2006. PG - 605-10 LID - 10.1289/ehp.0800205 [doi] AB - BACKGROUND: There is general concern that persistent organic pollutants (POPs) found in the environment, wildlife, food, water, house dust, human tissues, and fluids may alter normal human physiologic activities (e.g., fetal development, immune and endocrine systems). Although the levels of some POPs [polychlorinated biphenyls (PCBs) and organochlorine pesticides (OCs)] in these matrices have decreased after their ban, others [polybrominated diphenyl ethers (PBDEs)] have increased in recent years. OBJECTIVE: To determine the longitudinal trend of specific POPs in human fetal tissues for risk assessment purposes. METHODS: We analyzed early to mid-gestation fetal liver (n = 52) and placental (n = 60) tissues, obtained after elective abortions during 1998-2006, for selected PBDEs, PCBs, and OCs using gas chromatography-mass spectroscopy. RESULTS: Total PBDEs in fetal liver increased over time (mean +/- SE: 1998, 284.4 +/- 229.8 ng/g lipid; 2006, 1,607.7 +/- 605.9; p < 0.03), whereas placental levels were generally lower, with no clear trend. Low levels of PCBs and OCs varied yearly, with no evident trend. The major analytes in 1998 were OCs (liver, 49%; placenta, 71%), whereas the major analytes in 2006 were PBDEs (liver, 89%; placenta, 98%). The 1998-2006 tissue PBDE congener profile is similar to that of DE-71, a commercial primarily pentabrominated diphenyl ether mixture manufactured in North America. CONCLUSIONS: Although commercial production of penta- and octa-brominated diphenyl ethers in North America was halted in 2004, their concentrations in fetal liver and placenta are now greater than the tissue burdens for the analyzed OCs and PCBs. Our findings also demonstrate that PBDEs accumulate within the fetal compartment at a very early stage in gestation. FAU - Doucet, Josee AU - Doucet J AD - Health Canada, Health Products and Food Branch, Ottawa, Ontario, Canada. FAU - Tague, Brett AU - Tague B FAU - Arnold, Douglas L AU - Arnold DL FAU - Cooke, Gerard M AU - Cooke GM FAU - Hayward, Stephen AU - Hayward S FAU - Goodyer, Cynthia G AU - Goodyer CG LA - eng PT - Journal Article PT - Research Support, Non-U.S. Gov't DEP - 20081210 PL - United States TA - Environ Health Perspect JT - Environmental health perspectives JID - 0330411 RN - 0 (Environmental Pollutants) RN - 0 (Halogenated Diphenyl Ethers) RN - 0 (Hydrocarbons, Chlorinated) RN - DFC2HB4I0K (Polychlorinated Biphenyls) SB - IM MH - Aborted Fetus/chemistry MH - Environmental Pollutants/*analysis MH - Female MH - Halogenated Diphenyl Ethers/*analysis MH - Humans MH - Hydrocarbons, Chlorinated/*analysis MH - Liver/*chemistry/embryology MH - Longitudinal Studies MH - Placenta/*chemistry MH - Polychlorinated Biphenyls/*analysis MH - Quebec PMC - PMC2679605 OTO - NOTNLM OT - OCs OT - PBDEs OT - PCBs OT - POPs OT - fetus OT - human OT - liver OT - placenta EDAT- 2009/05/15 09:00 MHDA- 2009/07/03 09:00 PMCR- 2009/04/01 CRDT- 2009/05/15 09:00 PHST- 2008/09/18 00:00 [received] PHST- 2008/12/10 00:00 [accepted] PHST- 2009/05/15 09:00 [entrez] PHST- 2009/05/15 09:00 [pubmed] PHST- 2009/07/03 09:00 [medline] PHST- 2009/04/01 00:00 [pmc-release] AID - ehp-117-605 [pii] AID - 10.1289/ehp.0800205 [doi] PST - ppublish SO - Environ Health Perspect. 2009 Apr;117(4):605-10. doi: 10.1289/ehp.0800205. Epub 2008 Dec 10.