Sodium Arsenite Injection Induces Ovarian Oxidative Stress and Affects Steroidogenesis in Rats

Biological Trace Element Research
Hao YuDagan Mao

Abstract

Oxidative stress is involved in the regulation of mammalian reproduction. The present study was conducted to detect the sodium arsenite-induced oxidative stress and alterations in the structure and steroidogenesis in rat ovary. Twenty female adult rats were injected i.p. with sodium arsenite (8 mg/kg BW, T) or 0.9% saline (C) for 16 days. The oxidative stress indexes and morphology of the liver, kidney, and ovary were detected using commercial kits and HE staining, respectively. The serum progesterone and estradiol were detected by RIA, and the ovarian steroidogenic gene expressions were detected by real-time PCR. Results showed that the ovarian activities of SOD and GSH-PX decreased (P < 0.05), while the ROS activity and MDA level increased (P < 0.05) in the T group. HE staining results showed that treatment with sodium arsenite damaged the ovarian morphology, resulting in reduced large and medium follicles and increased atretic follicles. Nonetheless, neither the liver nor kidney showed evident changes in the oxidative stress indexes or morphology after sodium arsenite treatment. The serum progesterone and estradiol levels decreased (P < 0.05) with the reduced expressions in the ovarian steroidogenic genes (StAR, P450scc, and...Continue Reading

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Citations

Nov 5, 2019·Journal of Toxicology and Environmental Health. Part a·Jing WuYan An
Apr 30, 2020·Environmental Science and Pollution Research International·Wuye PanJing Liu
May 21, 2021·Environmental Science and Pollution Research International·Shaofeng WuLianmei Hu

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Methods Mentioned

BETA
MDA
PCR

Software Mentioned

GraphPad Prism
GraphPad
Primer

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