Bisphenol S dysregulates thyroid hormone homeostasis; Testicular survival, redox and metabolic status: Ameliorative actions of melatonin

IF 4.2 3区环境科学与生态学 Q2 ENVIRONMENTAL SCIENCES Environmental toxicology and pharmacology Pub Date : 2023-11-01 DOI:10.1016/j.etap.2023.104300

Aishwarya Sahu , Rakesh Verma

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Abstract

Bisphenol S (BPS) is an incipient threat for reproductive health augmenting societal burden of infertility worldwide. In the present study, we investigated the mechanism of BPS induced testicular dysfunctions and protective actions of melatonin in mice. BPS (150 mg/kg BW) treatment reduced serum T3/T4, testosterone and elevated insulin levels along with adverse effect on thyroid and testicular histoarchitecture. Further, BPS treatment compromised sperm quality, reduced mRNA expression of steroidogenic (StAR/CYP11A1) markers, elevated oxidative load and disrupts metabolic status. However, melatonin (5 mg/kg BW) administration to BPS treated mice showed improved hormonal/histological parameters, enhanced thyroid hormone (TR-α/Dio-2)/melatonin (MT-1) receptor expressions. Further, melatonin treatment modulated the expression of testicular survival/redox (SIRT1/PGC-1α/FOXO-1, Nrf2/HO-1, p-JAK2/p-STAT3), proliferative (PCNA) and metabolic (IR/pAKT/GLUT-1) markers. Furthermore, melatonin treatment enhanced testicular antioxidant status and reduced caspase-3 expression. In conclusion, our results showed that BPS induces endocrine/oxidative and metabolic anomalies while melatonin improved male reproductive health.

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双酚S失调甲状腺激素稳态；睾丸存活、氧化还原和代谢状态：褪黑素的改善作用。

双酚S（BPS）是生殖健康的早期威胁，增加了世界各地不孕不育的社会负担。在本研究中，我们研究了BPS诱导小鼠睾丸功能障碍的机制以及褪黑素的保护作用。BPS（150mg/kg BW）治疗降低了血清T3/T4、睾酮和胰岛素水平，并对甲状腺和睾丸组织结构产生了不良影响。此外，BPS治疗损害了精子质量，减少了类固醇生成（StAR/CYP11A1）标志物的mRNA表达，增加了氧化负荷并扰乱了代谢状态。然而，给予BPS治疗的小鼠褪黑素（5mg/kg BW）显示激素/组织学参数改善，甲状腺激素（TR-α/Dio-2）/褪黑素（MT-1）受体表达增强。此外，褪黑素治疗调节了睾丸存活/氧化还原（SIRT1/PGC-1α/FOXO-1、Nrf2/HO-1、p-JAK2/p-STAT3）、增殖（PCNA）和代谢（IR/pAKT/GLUT-1）标志物的表达。此外，褪黑素治疗增强了睾丸抗氧化状态，降低了胱天蛋白酶-3的表达。总之，我们的研究结果表明，BPS可诱导内分泌/氧化和代谢异常，而褪黑素可改善男性生殖健康。

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来源期刊

Environmental toxicology and pharmacology 医学-毒理学

CiteScore

7.00

自引率

4.70%

发文量

185

审稿时长

34 days

期刊介绍： Environmental Toxicology and Pharmacology publishes the results of studies concerning toxic and pharmacological effects of (human and veterinary) drugs and of environmental contaminants in animals and man. Areas of special interest are: molecular mechanisms of toxicity, biotransformation and toxicokinetics (including toxicokinetic modelling), molecular, biochemical and physiological mechanisms explaining differences in sensitivity between species and individuals, the characterisation of pathophysiological models and mechanisms involved in the development of effects and the identification of biological markers that can be used to study exposure and effects in man and animals. In addition to full length papers, short communications, full-length reviews and mini-reviews, Environmental Toxicology and Pharmacology will publish in depth assessments of special problem areas. The latter publications may exceed the length of a full length paper three to fourfold. A basic requirement is that the assessments are made under the auspices of international groups of leading experts in the fields concerned. The information examined may either consist of data that were already published, or of new data that were obtained within the framework of collaborative research programmes. Provision is also made for the acceptance of minireviews on (classes of) compounds, toxicities or mechanisms, debating recent advances in rapidly developing fields that fall within the scope of the journal.