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题名: Lanthanum exerts acute toxicity and histopathological changes in gill and liver tissue of rare minnow (Gobiocypris rarus)
作者: Hua, Dong1; Wang, Jianwei2; Yu, Denghang1; Liu, Jun1
关键词: Toxicity ; Gobiocypris rarus ; La(III) ; Histopathological ; Gill ; Liver
刊名: ECOTOXICOLOGY
发表日期: 2017-11-01
DOI: 10.1007/s10646-017-1846-8
卷: 26, 期:9, 页:1207-1215
收录类别: SCI
文章类型: Article
WOS标题词: Science & Technology ; Life Sciences & Biomedicine
类目[WOS]: Ecology ; Environmental Sciences ; Toxicology
研究领域[WOS]: Environmental Sciences & Ecology ; Toxicology
英文摘要: We evaluated the acute toxicity effects of lanthanum (La(III)) on gill and liver of rare minnow (Gobiocypris rarus). The median lethal concentration of La (III) at 96 h was 1.92 mg L-1. Rare minnow were reared in freshwater and exposed to 0.04, 0.08, 0.16, 0.32 and 0.80 mg L-1 La (III) for 21 d. Gill and liver samples were analyzed by light microscopy. The main histopathological changes induced by La (III) in gills were epithelial lifting, filamentary epithelial proliferation,edema, lamellar fusion, desquamation, and necrosis. Histopathological changes induced by La (III) in the liver included dilation of sinusoids, focal congestion, pyknotic nuclei, karyohexis and karyolysis, vacuolar degeneration, and numerous necrosis areas. Hypsometric analysis indicated significant changes in the measures of gill dimensions (average length, width, area), suggesting metabolic disturbance (gas exchange) upon La (III) exposure. The result showed that La (III) severely affects fish gill and liver.
关键词[WOS]: OREOCHROMIS-MOSSAMBICUS ; EARTH-ELEMENTS ; FISH
语种: 英语
项目资助者: Scientific Research Project of Hubei Provincial Department of Education(D20131705) ; Fujian Key Laboratory of Special Aquatic Formula Feed(TMKJZ003)
WOS记录号: WOS:000414070300006
ISSN号: 0963-9292
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内容类型: 期刊论文
URI标识: http://ir.ihb.ac.cn/handle/342005/38897
Appears in Collections:水生生物多样性与资源保护研究中心_期刊论文

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作者单位: 1.Wuhan Polytech Univ, Sch Anim Sci & Nutr Engn, Wuhan 430023, Hubei, Peoples R China
2.Chinese Acad Sci, Inst Hydrobiol, Wuhan 430072, Peoples R China
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