Journal
ECOTOXICOLOGY AND ENVIRONMENTAL SAFETY
Volume 264, Issue -, Pages -Publisher
ACADEMIC PRESS INC ELSEVIER SCIENCE
DOI: 10.1016/j.ecoenv.2023.115385
Keywords
Thyroid; Di-n-butyl phthalate (DBP); Mono-n-butyl phthalate (MBP); Inflammation
Categories
Ask authors/readers for more resources
This study aimed to assess the impact of DBP exposure on the thyroid of male rats and the associated mechanisms. The results demonstrated that DBP exposure caused impaired thyroid structure and thyroid inflammation in male rats. Furthermore, RB1 was found to play an essential role in promoting the activation of NLRP3 inflammasome.
Previous studies exhibited reproductive and neurodevelopmental toxicity in rats exposed to Di-n-butyl phthalate (DBP). However, the effects of DBP exposure on the other endocrine organ are still unclear. This study aimed to assess the impact of DBP exposure on the thyroid of male rats and the associated mechanisms. Here, rats were respectively treated with DBP at 0 (control), 50 (low dose), 250 (medium dose), or 500 (high dose) mg/kg/day dissolved in 1 ml quantity of corn oil by intragastrical administration for two weeks. The results demonstrated that the proliferation and inflammatory response changes were significantly different compared to the control. In vivo DBP is mainly converted to mono-n-butyl phthalate (MBP), an active form producing untoward reactions of DBP exposure. Therefore, for in vitro experiments, we treated the thyroid follicular epithelial cell line (Nthy-ori 3-1) in a temporal gradient using 1 mM MBP. Further in vitro studies showed that MBP exposure upregulated tumor necrosis factor-alpha (TNF-& alpha;), interleukin-6 (IL-6), as well as interleukin-113 (IL-113) by activating AKT/NFxB/NLRP3 signaling. Meanwhile, we detected that Pellino2 (Peli2) played an essential role in promoting the activation of NLRP3 inflammasome. Briefly speaking, this study confirmed that DBP exposure caused impaired thyroid structure and thyroid inflammation in male rats, which offered new views into the harm of DBP exposure on the endocrine organ.
Authors
I am an author on this paper
Click your name to claim this paper and add it to your profile.
Reviews
Recommended
No Data Available