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| Content Provider | Royal Society of Chemistry (RSC) |
|---|---|
| Author | Fang, Jing Deng, Junliang Guo, Hongrui Cui, Hengmin Zuo, Zhicai Zhao, Ling Deng, Jie Wang, Xun |
| Copyright Year | 2016 |
| Abstract | The respiratory system is the primary target of nickel or nickel compound toxicity after inhalation exposure. There are no reports on the effects of nickel or nickel compounds on the lung via dietary administration at present. This study aimed to investigate pulmonary toxicity induced by dietary NiCl2 in broiler chickens by using histopathology, qRT-PCR, and ELISA. In comparison with the control group, NiCl2 intake induced oxidative damage to DNA (upregulation of 8-OHdG) and lipid peroxidation (upregulation of MDA), which was associated with the upregulation of NO and the downregulation of the expression levels and activities of pulmonary CuZn-SOD, Mn-SOD, CAT, GSH-Px, GR and GST mRNA. Also, the T-AOC activity, GSH content, ability to inhibit the generation of hydroxyl radicals, and ratio of GSH/GSSG were decreased in the groups treated with NiCl2. Concurrently, the mRNA expression levels of iNOS, TNF-α, COX-2, IL-1β, IL-6, IL-8, IL-18 and IFN-γ were increased via the activation of NF-κB, and the mRNA expression levels of anti-inflammatory mediators including IL-2, IL-4 and IL-13 were decreased in the groups treated with NiCl2. The above-mentioned results were the first to demonstrate that NiCl2 intake induced pulmonary oxidative stress and inflammatory responses via the dietary pathway, which subsequently contributed to histopathological lesions and dysfunction. |
| Starting Page | 1421 |
| Ending Page | 1433 |
| Page Count | 13 |
| File Format | HTM / HTML PDF |
| ISSN | 2045452X |
| Volume Number | 5 |
| Issue Number | 5 |
| Journal | Toxicology Research |
| DOI | 10.1039/c6tx00197a |
| Language | English |
| Publisher | Royal Society of Chemistry |
| Access Restriction | Open |
| Subject Keyword | Oxidative stress Glutathione disulfide Lung Lipid peroxidation MDA Respiratory system Interleukin 6 NF-κB Tumor necrosis factor alpha Interleukin 4 Histopathology Messenger RNA Interleukin 2 Hydroxyl radical Interleukin 8 Real-time polymerase chain reaction Interleukin 13 SOD2 Interleukin 1 beta Interleukin 18 Prostaglandin-endoperoxide synthase 2 DNA Nickel(II) chloride Nickel Broiler ELISA Interferon gamma |
| Content Type | Text |
| Resource Type | Article |
| Subject | Health, Toxicology and Mutagenesis Toxicology |
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