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首页> 外文期刊>Journal of applied toxicology >Toxicological effects of Tris (1,3‐dichloro‐2‐propyl) phosphate exposure in adult male rats differ depending on the history of exposure in the neonatal period
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Toxicological effects of Tris (1,3‐dichloro‐2‐propyl) phosphate exposure in adult male rats differ depending on the history of exposure in the neonatal period

机译：Toxicological effects of Tris (1,3‐dichloro‐2‐propyl) phosphate exposure in adult male rats differ depending on the history of exposure in the neonatal period

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Abstract There is increasing concern about multiple high concentration exposure to toxins in disaster and emergency situations. However, conventional toxicology testing methods may not adequately address these situations. Thus, we assessed whether the toxic effects of exposure in the adulthood differ depending on the presence or absence of neonatal exposure to Tris (1,3‐dichloro‐2‐propyl) phosphate (TDCIPP) in male rats to investigate the effects of exposure history of chemicals. In the neonatal stage postnatal days (PNDs) 1–7, animals were treated with either sesame oil (5?ml/kg/day) as a control or TDCIPP (250?mg/kg/day) dissolved in sesame oil. In adulthood (PND 101–107), animals were treated with either sesame oil (5?ml/kg/day) or TDCIPP (650?mg/kg/day). One day after the final administration, dissection was performed, and body and organ weight, hematology, blood biochemistry, and histopathology were examined. The results demonstrated that the toxic effects of TDCIPP exposure in adulthood on adrenal gland size, serum iron content, and unsaturated iron binding capacity were enhanced by TDCIPP exposure in the neonatal stage. From these findings, it was indicated that the toxic effects of TDCIPP exposure in the adult stage are affected by pediatric exposure. These results suggest that the toxic effects of high‐dose and long‐term unsteady exposure to chemicals in large‐scale disasters may change based on the exposure history of chemicals.

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