Article: Steel wools microfibers causes iron overload and induces biochemical changes in Gallus gallus domesticus chicks (Galliformes: Phasianidae)
Chemosphere. 2022 Apr., v. 293
2022
Abstract: Steel wool (SW) has a broad-spectrum of applicability, particularly as abrasives, cleaning household utensils and surfaces in general. However, when present in the natural environment, they can be ingested by animals, such as birds, and may represent a ... ...
| Abstract | Steel wool (SW) has a broad-spectrum of applicability, particularly as abrasives, cleaning household utensils and surfaces in general. However, when present in the natural environment, they can be ingested by animals, such as birds, and may represent a risk to the survival of individuals. Accordingly, in this study, we attempted the hypothesis that the ingestion of SW microfibers (SWMs) by Gallus gallus domesticus chicks (model system used) alters growth/development, induces redox imbalance and cholinesterasic effect, as well as promotes iron overload in different organs. For this, the animals received SWMs twice (within a 24-h interval) in an amount corresponding to 12% of their total stomach volume. At the end of the experiment, we observed less weight gain and less head growth, increased production of hydrogen peroxide (in the brain, liver, crop, and gizzard), nitrite (liver, crop, proventriculus and gizzard), malondialdehyde (brain, liver, muscle, proventriculus, and gizzard), along with increased superoxide dismutase activity in the liver, muscle and crop of animals exposed to SWMs. Such results were associated with iron overload observed in different organs, especially in liver, crop, and gizzard. Furthermore, we evidenced an anti-cholinesterasic effect in birds that ingested the SWMs, marked by a reduction in the acetylcholinesterase activity (in brain). Thus, our study sheds light on the (eco)toxicological potential of SWMs in avifauna, conceding us to associate their ingestion (despite ephemeral and occasional) with damage to the health of individuals, requiring a greater attention spotted to disposal of these materials in ecosystems. |
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| Keywords | acetylcholinesterase ; avifauna ; brain ; chickens ; gizzard ; head ; hydrogen peroxide ; ingestion ; iron overload ; liver ; malondialdehyde ; muscles ; nitrites ; proventriculus ; risk ; steel ; steel wool ; stomach ; superoxide dismutase ; toxicology ; weight gain |
| Language | English |
| Dates of publication | 2022-04 |
| Publishing place | Elsevier Ltd |
| Document type | Article |
| ZDB-ID | 120089-6 |
| ISSN | 1879-1298 ; 0045-6535 ; 0366-7111 |
| ISSN (online) | 1879-1298 |
| ISSN | 0045-6535 ; 0366-7111 |
| DOI | 10.1016/j.chemosphere.2022.133632 |
| Database | NAL-Catalogue (AGRICOLA) |
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