Volume 11, Issue 4 (2022)                   JFST 2022, 11(4): 381-391 | Back to browse issues page

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ghanei F, Loghmani M, Kohkan O. Iron tissue accumulation and intestinal histology study of gray mullet (Mugil cephalus) with oral intake of iron oxide nanoparticles. JFST 2022; 11 (4) : 7
URL: http://jfst.modares.ac.ir/article-6-65389-en.html
1- Chabahar Maritime University
2- Chabahar Maritime University , loghmani.mehran@gmail.com
Abstract:   (729 Views)
The accumulation of nanoparticles in the environment and aquatic ecosystems due to their wide application in industries, agriculture, medicine and pharmaceuticals has caused an increasing concern about the environment and increasing exposure to nanoparticles in ecosystems and humans. Iron oxide nanoparticles easily enter the bloodstream, accumulate in different tissues and cause damage to these tissues. Therefore, in this research, changes in the intestinal tissue of gray mullet fish (M. cephalus) and tissue accumulation in oral exposure to iron oxide nanoparticles were investigated.
110 pieces of young gray mullet after 2 weeks of adaptation were treated in four-time groups of 1, 7, 14 and 28 days, and one group was considered as a control. The mullet fish received iron oxide nanoparticles twice a day at the rate of 15 mg/kg attached to the food. The results showed that although the amount of tissue iron increased significantly only in the 28-day group, the consumption of iron oxide nanoparticles in almost all groups increases the tissue accumulation of iron in the intestine. The intestinal histological study showed changes such as the increase in the number and size of goblet cells, destruction of microvilli structure, bleeding and degrees of necrosis, and the intensity and extent of the changes in the intestinal tissue increased with increasing exposure time.
These observations showed that the consumption of iron oxide nanoparticles has a negative effect on intestinal function and causes iron accumulation and the occurrence of time-dependent injuries.
Article number: 7
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Article Type: Original Research | Subject: Aquatic Animal Health & disease
Received: 2022/11/12 | Published: 2023/03/4

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