Arsenic Trioxide Exposure Induces Heat Shock Protein Responses in Cock Livers

Biological Trace Element Research
Kexin ZhangMingwei Xing

Abstract

Arsenic is a trace element widely found in nature, and there are several forms of arsenic, including the most toxic form of trivalent arsenic. Arsenic trioxide (As2O3) is widespread in nature and tends to accumulate in animals and humans, thus causing great harm. Although the important role of heat shock proteins (HSPs) has been demonstrated in many types of mammals exposed to As2O3, the function of these proteins in poultry, especially in cocks, remains unclear. In this study, we used experimental animals (male chickens), which were fed a diet including 0, 7.5, 15, and 30 mg kg(-1) As2O3, respectively, in the control, low, middle, and high groups. The livers were collected after the cocks were treated with arsenic for 30, 60, and 90 days. We detected HSP27, HSP60, HSP70, and HSP90 levels in the livers of the cocks by real-time PCR and HSP60 and HSP70 levels by Western blot. The results showed that the messenger RNA and protein expression of HSPs exposed to As2O3 had obviously increased. These results demonstrated that arsenic toxicity affected the expression of HSP levels in cock livers.

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Citations

Apr 21, 2017·Environmental Science and Pollution Research International·He HuangXiaohua Teng
May 16, 2020·Chemical Research in Toxicology·Lok Ming Tam, Yinsheng Wang

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