ArticleToxicologic pathology2020
Thresholds Derived From Common Measures in Rat Studies Are Predictive of Liver Tumorigenic Chemicals.
Article in Toxicologic pathology, 2020. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 4 papers.
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Who cites it
4 citing papers in PubMed.
- Scientific Report on consumer health-based guidance values for trifluoroacetic acid.EFSA journal. European Food Safety Authority · 2026Article
- A new approach methodology to identify tumorigenic chemicals using short-term exposures and transcript profiling.Frontiers in toxicology · 2024Article
- A Collaborative Initiative to Establish Genomic Biomarkers for Assessing Tumorigenic Potential to Reduce Reliance on Conventional Rodent Carcinogenicity Studies.Toxicological sciences : an official journal of the Society of Toxicology · 2022Article
- A set of six Gene expression biomarkers and their thresholds identify rat liver tumorigens in short-term assays.Toxicology · 2020Article
Corrections and comments
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Authors and funding
10 authors.
Funding
Abstract
We hypothesized that typical tissue and clinical chemistry (ClinChem) end points measured in rat toxicity studies exhibit chemical-independent biological thresholds beyond which cancer occurs. Using the rat in vivo TG-GATES study, 75 chemicals were examined across chemical-dose-time comparisons that could be linked to liver tumor outcomes. Thresholds for liver weight to body weight (LW/BW) and 21 serum ClinChem end points were defined as the maximum and minimum values for those exposures that did not lead to liver tumors in rats. Upper thresholds were identified for LW/BW (117%), aspartate aminotransferase (195%), alanine aminotransferase (141%), alkaline phosphatase (152%), and total bilirubin (115%), and lower thresholds were identified for phospholipids (82%), relative albumin (93%), total cholesterol (82%), and total protein (94%). Thresholds derived from the TG-GATES data set were consistent across other acute and subchronic rat studies. A training set of ClinChem and LW/BW thresholds derived from a 38 chemical training set from TG-GATES was predictive of liver tumor outcomes for a test set of 37 independent TG-GATES chemicals (91%). The thresholds were most predictive when applied to 7d treatments (98%). These findings provide support that biological thresholds for common end points in rodent studies can be used to predict chemical tumorigenic potential.
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Registered trials
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