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纳米银颗粒对蝴蝶裂腹鱼（）消化系统、性腺形态和生理学的影响。

The Effect of Silver Nanoparticles on the Digestive System, Gonad Morphology, and Physiology of Butterfly Splitfin ().

机构信息

Institute of Animal Sciences, Warsaw University of Life Sciences, Warsaw, Ciszewskiego 8, 02-786 Warsaw, Poland.

Institute of Biology, Warsaw University of Life Sciences, Warsaw, Nowoursynowska 159, 02-776 Warsaw, Poland.

出版信息

Int J Mol Sci. 2023 Sep 27;24(19):14598. doi: 10.3390/ijms241914598.

DOI:10.3390/ijms241914598
PMID:37834045
原文链接:https://pmc.ncbi.nlm.nih.gov/articles/PMC10572687/
Abstract

The aim of this study was to determine the effects of silver nanoparticles (AgNPs) on the morphology and enzymatic activity of butterfly splitfin (). Individuals of both sexes, aged about five months, were exposed to AgNPs at concentrations of 0 (control group), 0.01, 0.1, and 1.0 mg/dm for 42 days. On the last day of the experiment, the fish were euthanized, subjected to standard histological processing (anterior intestine, liver, and gonads), and analysed for digestive enzyme activity in the anterior intestine and oxidative stress markers in the liver. Fish in the AgNP 0.01 and 0.1 groups had the lowest anterior intestinal fold and enterocyte height. However, there were no statistically significant changes in the digestive enzyme activity in the anterior intestine. Analysis of enzymatic activity in the liver showed an increase in superoxide dismutase activity in fish in the AgNP 0.1 group. Histological analyses showed that AgNPs inhibited meiotic divisions at prophase I in a non-linear manner in ovaries and testes. In the AgNP 0.1 and 1.0 groups, the area occupied by spermatocytes was lower compared to the other groups. These results indicate that exposure to AgNPs may lead to disturbances in morphology and enzymatic activity in the liver and intestine and may lead to disruption of reproduction in populations.

摘要

本研究旨在确定纳米银（AgNPs）对蝴蝶裂腹鱼（）形态和酶活性的影响。雌雄个体均约五个月大，暴露于 0（对照组）、0.01、0.1 和 1.0 mg/dm 的 AgNPs 中 42 天。实验的最后一天，处死鱼，进行标准组织学处理（前肠、肝脏和性腺），并分析前肠的消化酶活性和肝脏的氧化应激标志物。AgNP0.01 和 0.1 组的鱼前肠褶皱和肠上皮细胞高度最低。然而，前肠的消化酶活性没有统计学上的显著变化。对肝脏酶活性的分析表明，AgNP0.1 组超氧化物歧化酶活性增加。组织学分析表明，AgNPs 以非线性方式抑制卵巢和睾丸中减数分裂的前期 I 期分裂。在 AgNP0.1 和 1.0 组中，与其他组相比，精母细胞所占面积较低。这些结果表明，暴露于 AgNPs 可能导致肝脏和肠道形态和酶活性紊乱，并可能导致种群生殖中断。

https://cdn.ncbi.nlm.nih.gov/pmc/blobs/f799/10572687/8748cc59d93b/ijms-24-14598-g009.jpg
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https://cdn.ncbi.nlm.nih.gov/pmc/blobs/f799/10572687/ce5b3d3b30f6/ijms-24-14598-g007.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/f799/10572687/ab07165f1f08/ijms-24-14598-g008.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/f799/10572687/8748cc59d93b/ijms-24-14598-g009.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/f799/10572687/e22a9dea7bb2/ijms-24-14598-g001.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/f799/10572687/69597dc3e769/ijms-24-14598-g002.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/f799/10572687/51f54f5c120b/ijms-24-14598-g003.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/f799/10572687/152e85bc57f0/ijms-24-14598-g004.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/f799/10572687/f21867fd023c/ijms-24-14598-g005.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/f799/10572687/80ece1a8ede0/ijms-24-14598-g006.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/f799/10572687/ce5b3d3b30f6/ijms-24-14598-g007.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/f799/10572687/ab07165f1f08/ijms-24-14598-g008.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/f799/10572687/8748cc59d93b/ijms-24-14598-g009.jpg

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