ArticleEnvironmental toxicology and pharmacology2022
The disposition of polychlorinated biphenyls (PCBs) differs between germ-free and conventional mice.
Article in Environmental toxicology and pharmacology, 2022. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 7 papers.
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Who cites it
7 citing papers in PubMed.
- Single-cell transcriptomics showed that maternal polychlorinated biphenyl exposure dysregulated cell type-specific metabolic responses in the livers of female mouse offsprings.Drug metabolism and disposition: the biological fate of chemicals · 2026Article
- Whole-Body Disposition and Metabolism of [Environmental science & technology · 2025Article
- Significant metabolic alterations in mouse dams exposed to an environmental mixture of polychlorinated biphenyls (PCBs) during gestation and lactation: Insights into PCB and metabolite profiles.Environmental toxicology and pharmacology · 2024Article
- Developmental exposure to the Fox River PCB mixture modulates behavior in juvenile mice.Neurotoxicology · 2024Article
- Article
- Gene×environment interactions in autism spectrum disorders.Current topics in developmental biology · 2023Review
- The disposition of polychlorinated biphenyls (PCBs) differs between germ-free and conventional mice.Environmental toxicology and pharmacology · 2022Article
Corrections and comments
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Authors and funding
7 authors.
Funding
Abstract
The disposition of toxicants, such as polychlorinated biphenyls (PCBs), in germ-free (GF) vs. conventional (CV) mice has received little attention to date. Here, we investigate PCB levels in three-month-old female CV and GF mice exposed orally daily for 3 days to 0, 6, or 30 mg/kg body weight of the Fox River Mixture (FRM), an environmental PCB mixture. We euthanized animals 24 h after the final dose. PCB profiles in tissues differed from the FRM profile but were similar in tissues across all 4 PCB exposure groups. PCB levels in CV but not GF mice followed the difference in PCB dose. Importantly, PCB levels were higher in CV than GF mice exposed to the same dose. Hepatic cytochrome P450 enzyme or lipid levels did not explain these trends in PCB tissue levels. Thus, toxicity studies with CV and GF animals need to assess the toxicokinetics of the toxicant investigated. CAPSULE: PCB levels are typically higher in conventional than germ-free mice exposed to the same dose of PCBs.
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Registered trials
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