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Issue:ISSN 1000-7083
          CN 51-1193/Q
Director:Sichuan Association for Science and Technology
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Your Position :Home->Past Journals Catalog->2009 Vol.28 No.5

Effects of Cu2+ and Cd2+ on Primary Nutrient Substances Metabolism in the Liver of Bufo gargarizans
Author of the article:LU Ai-ping1,ZHOU Hong2,YE Shuang1,HUANG Lai-wang1,CUI Lin1,FENG Zhao-jun1*
Author's Workplace:(1. School of Life Sciences, Xuzhou Normal University, Xuzhou, Jiangsu Province 221116, China; 2. Forestry Technology Guiding Station of Xuzhou City)
Key Words:Cu2+; Cd2+; sub-acute toxicity; Bufo gargarizans; liver; metabolism
Abstract:
The changes in sub-acute toxicity of Cu2+ and Cd2+ for 42 days and recovery in clean water for 30 days on the metabolism of primary nutrientsubstances in the liver of Bufo gargarizans was measured. The results showed that along with the time of exposure to Cu2+ and Cd2+, glycogen content decreased in prophase and increased in anaphase. Protein content rose at first and then decreased afterwards and fat content decreased continuously. After 30 days in clean water, the contents of glycogen, protein and fat appeared to return to normal levels. The results indicate that after 30 days recovery in clean water, the metabolism of primary nutrient substances in liver of the toad exposed to Cu2+ and Cd2+ may be restored to normal, pre-exposure levels.
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