Lead- and cadmium-induced histopathological changes in gill, kidney and liver tissue of freshwater climbing perch Anabas testudineus (Bloch, 1792)

被引：37

作者：

Ahmed, Md. Kawser ^{[1
]}

Parvin, Elora ^{[1
]}

Islam, Md. Monirul ^{[2
]}

Akter, Mosammat Salma ^{[3
]}

Khan, Shahneawz ^{[4
]}

Al-Mamun, Md. Habibullah ^{[5
]}

机构：

[1] Univ Dhaka, Dept Fisheries, Dhaka 1000, Bangladesh

[2] Univ Leeds, Sch Earth & Environm, Leeds LS2 9JT, W Yorkshire, England

[3] Vrije Univ Brussel VUB, Brussels Ctr Redox Biol, B-1050 Brussels, Belgium

[4] Vrije Univ Brussel VUB, Fac Sci & Bioengn Sci, B-1050 Brussels, Belgium

[5] Yokohama Natl Univ, Grad Sch Environm & Informat Sci, Dept Risk Management & Environm Sci, Yokohama, Kanagawa 240, Japan

来源：

CHEMISTRY AND ECOLOGY | 2014年 / 30卷 / 06期

关键词：

aquatic pollution; ecotoxicology; freshwater fish; heavy metal; histopathological change; Anabas testudineus; HEAVY-METALS; OREOCHROMIS-NILOTICUS; MONITORING POLLUTION; ACUTE TOXICITY; RAINBOW-TROUT; NILE TILAPIA; FISH; EXPOSURE; ACCUMULATION; COPPER;

D O I：

10.1080/02757540.2014.889123

中图分类号：

Q5 [生物化学]; Q7 [分子生物学];

学科分类号：

071010 ; 081704 ;

摘要：

The objective of this study was to examine the toxicological effect of two major heavy metal pollutants, lead chloride (PbCl2) and cadmium chloride (CdCl2), in the freshwater climbing perch, Anabas testudineus. Fish were exposed to 1.0 and 2.0 mg/L both metals and histopathological changes in gill, kidney and liver tissues were studied. Major changes observed in gill tissue were epithelial lifting, proliferation of epithelial cells, fusion of secondary lamellae, hyperplasia and hypertrophy of mucous cells, and necrosis of epithelial cells. Cell necrosis, degenerated kidney tubules, congestion, lymphocytic infiltration and vacuolation were the major abnormalities observed in kidney tissue. The most conspicuous changes in liver were darker nucleoli, irregularly shaped hepatocytes with dilated blood capillaries, and focal as well as single necrosis. Fish specimens exposed to PbCl2 exhibited pronounced changes in all tissues examined compared with those exposed to CdCl2. It is evident from this study that heavy metals can cause significant histopathological changes in fish tissue.

引用

页码：532 / 540

页数：9

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