EFFECT OF CADMIUM ON THREE ANTIOXIDANT ENZYME ACTIVITIES AND LIPID PEROXIDATION IN PLANARIAN (DUGESIA JAPONICA)

被引：0
作者：
Zhang, Xiufang [1 ]
Shi, Jinxuan [1 ]
Wu, Tongmin [1 ]
Zhang, Yaxin [1 ]
Lin, Shengcheng [1 ]
Tao, Yanming [1 ]
Zhao, Bosheng [1 ]
机构：
[1] Shandong Univ Technol, Sch Life Sci, Zibo 255049, Peoples R China
来源：
FRESENIUS ENVIRONMENTAL BULLETIN | 2011年 / 20卷 / 11期
关键词：
Planarian (Dugesia japonica); cadmium; superoxide dismutase; catalase; glutathione peroxidase; malondidehyde; LAEONEREIS-ACUTA POLYCHAETA; OXIDATIVE STRESS; CHRONIC EXPOSURE; RESPONSES; COPPER; CD; NEREIDIDAE; TOXICITY; ALUMINUM; ANNELIDA;
D O I：
暂无
中图分类号：
X [环境科学、安全科学];
学科分类号：
08 ; 0830 ;
摘要：
The objective of this study was to evaluate the effects of cadmium on the antioxidant responses in planarian (Dugesia japonica). The planarians D. japonica were submitted to 0, 5, and 150 mu g of Cd2+/L during a period of test of 7 days. Compared with the control, cadmium was significantly (P < 0.05) accumulated in D. japonica exposed to 150 mu g Cd2+/L. In the worms exposed to 5 and 150 mu g Cd2+/L, catalase (CAT) activity significantly decreased compared to the control ones (P < 0.05). No significant effects on superoxide dismutase (SOD) and glutathione peroxidase (GSH-Px) activity were observed. Malondidehyde (MDA) level was significantly increased following exposure to 150 mu g Cd2+/L compared with the control (P < 0.05). Thus, Cadmium could augment MDA level and interfere with the catalase of the planarian D. japonica. Results showed that CAT, rather than SOD and GSH-Px, might be a susceptible antioxidant enzyme in the metabolic detoxification processes in adult planarian D. japonica.
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页码：2920 / 2926
页数：7
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