ArticleJournal of toxicologic pathology2023
A carcinogenicity study of diphenylarsinic acid in C57BL/6J mice in drinking water for 78 weeks.
Article in Journal of toxicologic pathology, 2023. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 1 paper.
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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.
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1 citing paper in PubMed, 1 citations in OpenAlex.
- Simultaneous Inference of Multiple Binary Endpoints in Biomedical Research: Small Sample Properties of Multiple Marginal Models and a Resampling Approach.Biometrical journal. Biometrische Zeitschrift · 2024Article
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Authors and funding
6 authors at 2 institutions in 1 country.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Diphenylarsinic acid (DPAA), a neurotoxic organic arsenical, is present in groundwater and soil in some regions of Japan owing to illegal dumping. The present study evaluated the potential carcinogenicity of DPAA, including investigating whether bile duct hyperplasia in the liver that was observed in a chronic study on 52 week mouse, develops into a tumor when administered to mice in their drinking water for 78 weeks. DPAA was administered to 4 groups of male and female C57BL/6J mice at concentrations of 0, 6.25, 12.5, and 25 ppm in drinking water for 78 weeks. A significant decrease in the survival rate was found for females in the 25 ppm DPAA group. Body weights of males in the 25 ppm and females in the 12.5 and 25 ppm DPAA groups were significantly lower than those of the controls. Histopathological evaluation of neoplasms in all tissues showed no significant increase in tumor incidence in any organ or tissue of 6.25, 12.5, or 25 ppm DPAA-treated male or female mice. In conclusion, the present study demonstrated that DPAA is not carcinogenic to male or female C57BL/6J mice. Taken together with the fact that the toxic effect of DPAA is predominantly restricted to the central nervous system in humans, and the finding that DPAA was not carcinogenic in a previous 104-week rat carcinogenicity study, our results suggest that DPAA is unlikely to be carcinogenic in humans.
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