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三唑酮诱导的毒性和榕果提取物对新热带食果蝙蝠的保护作用。

Tebuconazole-induced toxicity and the protective effect of Ficus carica extract in Neotropical fruit-eating bats.

机构信息

Department of Animal Biology, Federal University of Viçosa, Viçosa, MG, Brazil.

Institute of Biological and Health Sciences, Histology and Embryology Sector, Federal University of Alagoas, Maceió, AL, Brazil.

出版信息

Chemosphere. 2021 Jul;275:129985. doi: 10.1016/j.chemosphere.2021.129985. Epub 2021 Feb 15.

Abstract

Tebuconazole (TEB) is a triazole fungicide widely used in agriculture known to cause metabolic and endocrine disorders in mammals. Several plant extracts have shown to be beneficial against pesticide effects due to their hepatoprotective, antioxidant and anti-inflammatory properties. As fruit bats play a critical role in rainforest regeneration and are constantly exposed to pesticides, we aimed at evaluating TEB-induced toxicity and the possible protective effect of the Ficus carica plant extract in Neotropical fruit-eating bats (Artibeus lituratus). Bats were captured and assigned to 4 experimental groups, offered: 1) CTL (n = 6): papaya; 2) DMSO (n = 6): papaya treated with 1.25% dimethyl sulfoxide (DMSO); 3) TEB (n = 6): papaya treated with tebuconazole (commercial formulation) 0.1%; and 4) TEBFC (n = 6): papaya treated with tebuconazole 0.1% and Ficus carica extract (20%) in DMSO (1.25%). After seven days of exposure, TEB bats showed increased lipid peroxidation, increased superoxide dismutase (SOD) and catalase (CAT) activities, vascular congestion and inflammatory infiltrate in the liver, and increased serum transaminase enzyme activities. We found the same alterations in oxidative stress parameters in the breast muscles of TEB-exposed bats. In the testes, all oxidative stress markers were increased in TEB bats and corroborate findings of histopathological and increased serum testosterone levels observed following TEB exposure. The co-administration of the fungicide with the F. carica plant extract attenuated most oxidative stress markers in exposed bats' liver and testes and decreased liver damage, but failed to revert the steroid imbalance caused by the fungicide exposure.

摘要

戊唑醇(TEB)是一种广泛应用于农业的三唑类杀菌剂,已知它会导致哺乳动物代谢和内分泌紊乱。由于具有保肝、抗氧化和抗炎特性,几种植物提取物已被证明对农药的效果有益。由于果蝠在雨林再生中起着关键作用,并且不断暴露于农药中,我们旨在评估戊唑醇诱导的毒性以及榕属植物提取物对新热带水果食蝙蝠(Artibeus lituratus)的可能保护作用。蝙蝠被捕获并分配到 4 个实验组,分别提供:1)CTL(n=6):木瓜;2)DMSO(n=6):用 1.25%二甲基亚砜(DMSO)处理的木瓜;3)TEB(n=6):用戊唑醇(商业制剂)0.1%处理的木瓜;4)TEBFC(n=6):用戊唑醇 0.1%和榕属植物提取物(20%)在 DMSO(1.25%)处理的木瓜。暴露于戊唑醇 7 天后,TEB 蝙蝠的脂质过氧化、超氧化物歧化酶(SOD)和过氧化氢酶(CAT)活性增加,肝脏血管充血和炎症浸润,以及血清转氨酶活性增加。我们在暴露于戊唑醇的蝙蝠的胸肌中发现了相同的氧化应激参数改变。在睾丸中,所有氧化应激标志物在 TEB 蝙蝠中均增加,与戊唑醇暴露后观察到的组织病理学改变和血清睾酮水平升高的结果一致。在暴露于戊唑醇的蝙蝠的肝脏和睾丸中,同时给予杀菌剂和榕属植物提取物可减轻大多数氧化应激标志物,并减轻肝损伤,但未能逆转杀菌剂暴露引起的类固醇失衡。

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