ArticleToxicological sciences : an official journal of the Society of Toxicology2016
Editor's Highlight: Transplacental and Lactational Transfer of Firemaster® 550 Components in Dosed Wistar Rats.
Article in Toxicological sciences : an official journal of the Society of Toxicology, 2016. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 32 papers.
What it found
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The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
The trial behind it
Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.
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Who cites it
32 citing papers in PubMed.
- Firemaster 550 differentially alters gene expression underlying synaptic function in amygdala of prairie voles after gestational or lactational exposure.Neurotoxicology · 2026Article
- Update of the risk assessment on emerging and novel brominated flame retardants in food.EFSA journal. European Food Safety Authority · 2026Article
- Sex-specific disruption of estrogen receptor alpha (ERα) density in the social brain neural network by Firemaster 550.Journal of the Endocrine Society · 2026Article
- Developmental immunotoxicity study of tris(chloropropyl) phosphate in Hsd:Sprague Dawley SD rats exposed through dosed feed.Toxicological sciences : an official journal of the Society of Toxicology · 2025Article
- Mechanisms of Flame Retardant Toxicity and Their Impacts on Anxiety and Cognition in the Brain.Endocrinology · 2025Review
- Prenatal exposure to replacement flame retardants and organophosphate esters and childhood adverse respiratory outcomes.Environmental research · 2024Article
- Gestational exposure to FireMaster® 550 (FM 550) disrupts the placenta-brain axis in a socially monogamous rodent species, the prairie vole (Microtus ochrogaster).Molecular and cellular endocrinology · 2023Article
- Prenatal exposures to organophosphate ester metabolite mixtures and children's neurobehavioral outcomes in the MADRES pregnancy cohort.Environmental health : a global access science source · 2023Article
- Urine Excretion, Organ Distribution, and Placental Transfer of 6PPD and 6PPD-Quinone in Mice and Potential Developmental Toxicity through Nuclear Receptor Pathways.Environmental science & technology · 2023Article
- Associations between prenatal organophosphate pesticide exposure and placental gene networks.Environmental research · 2023Article
- Impacts of Gestational FireMaster 550 Exposure on the Neonatal Cortex Are Sex Specific and Largely Attributable to the Organophosphate Esters.Neuroendocrinology · 2023Article
- Skeletal effects following developmental flame-retardant exposure are specific to sex and chemical class in the adult Wistar rat.Frontiers in toxicology · 2023Article
- Early life organophosphate ester exposures and bone health at age 12 years: The Health Outcomes and Measures of the Environment (HOME) Study.The Science of the total environment · 2022Article
- Detection of Azoxystrobin Fungicide and Metabolite Azoxystrobin-Acid in Pregnant Women and Children, Estimation of Daily Intake, and Evaluation of Placental and Lactational Transfer in Mice.Environmental health perspectives · 2022Article
- REPRODUCTIVE TOXICOLOGY: Endocrine disruption and reproductive disorders: impacts on sexually dimorphic neuroendocrine pathways.Reproduction (Cambridge, England) · 2021Review
- Beyond Cholinesterase Inhibition: Developmental Neurotoxicity of Organophosphate Ester Flame Retardants and Plasticizers.Environmental health perspectives · 2021Article
- FireMaster® 550 (FM 550) exposure during the perinatal period impacts partner preference behavior and nucleus accumbens core medium spiny neuron electrophysiology in adult male and female prairie voles, Microtus ochrogaster.Hormones and behavior · 2021Article
- Perinatal exposure to FireMaster® 550 (FM550), brominated or organophosphate flame retardants produces sex and compound specific effects on adult Wistar rat socioemotional behavior.Hormones and behavior · 2020Article
- Article
- Sex- and age-dependent effects of maternal organophosphate flame-retardant exposure on neonatal hypothalamic and hepatic gene expression.Reproductive toxicology (Elmsford, N.Y.) · 2020Article
Corrections and comments
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Authors and funding
6 authors.
Funding
Abstract
unlabelledFiremaster® 550 (FM 550) is a commercial mixture of organophosphate and brominated flame retardants currently in use as a replacement for pentaBDE. Its organophosphate components include triphenyl phosphate (TPHP) and a suite of isopropylated triarylphosphate isomers (ITPs); its brominated components include 2-ethylhexyl-2,3,4,5-tetrabromobenzoate (EH-TBB) and bis (2-ethylhexyl)-2,3,4,5-tetrabromophthalate (BEH-TEBP). Taken together, these chemicals have been shown to be endocrine disrupting and potentially toxic, and human exposure to them is widespread. In this study, maternal transfer of FM 550 components, and in some cases their metabolites, was investigated in dosed Wistar rats. Gestational and lactational transfer were examined separately, with dams orally exposed to 300 or 1000 µg of FM 550 for 10 consecutive days during gestation (gestational day [GD] 9-18) or lactation (postnatal day [PND] 3-12). Levels of parent compounds were measured in fetus and whole pup tissue homogenates, and in dam and pup serum, and several metabolites were measured in dam and pup urine. EH-TBB body burdens resulting from lactational transfer were approximately 200- to 300-fold higher than those resulting from placental transfer, whereas low levels of BEH-TEBP were transferred during both lactation and gestation. TPHP and ITPs were rapidly metabolized by the dams and were not detected in whole tissue homogenates. However, diphenyl phosphate (DPHP) and mono-isopropylphenyl phenyl phosphate (ip-PPP) were detected in urine from the dosed animals. This study is the first to confirm ip-PPP as a urinary metabolite of ITPs and establish a pharmacokinetic profile of FM 550 in a mammalian model. KEY WORDS: Firemaster 550 ;: lactational transfer ;: gestational transfer; metabolites; rodent.
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Registered trials
Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.