Effect of Chronic Administration of Cadmium on Anxiety-Like, Depression-Like and Memory Deficits in Male and Female Rats: Possible Involvement of Oxidative Stress Mechanism  

作　　者：Mouloud Lamtai Jihane Chaibat Sihame Ouakki Inssaf Berkiks El-Housseine Rifi Aboubaker El Hessni Abdelhalem Mesfioui Ali Tadlaoui Hbibi Hassna Ahyayauch Azzouz Essamri Ali Ouichou 

机构地区：[1]Unit of Nervous and Endocrine Physiology, Laboratory of Genetics, Neuroendocrinology and Biotechnology, Faculty of Science, University Ibn Tofail, Kenitra, Morocco [2]Laboratory of Synthesis Organic and Extraction Processes, Department of Chemistry, Faculty of Science, University Ibn Tofail, Kenitra, Morocco [3]Institut Supé rieur des Professions Infirmiè res et Techniques de Santé (ISPISTS) route Casablanca, Rabat, Morocco [4]Laboratory of Agro-Resources and Process Engineering, Faculty of Science, University Ibn Tofail, Kenitra, Morocco

出　　处：《Journal of Behavioral and Brain Science》2018年第5期240-268,共29页行为与脑科学期刊（英文）

摘　　要：The main objective of this work is to study the effect of chronic administration of cadmium (Cd) on the level of depression-like, anxiety-like, memory state and oxidative stress in male and female Wistar rats. For this purpose, this study was conducted with 24 rats for each gender. Four groups were constituted: (Group 1: Control): received saline solution NaCl (0.9%), (Group 2: Cd-0.25;Group 3: Cd-0.5;Group 4: Cd-1): received daily 0.25 mg/kg, 0.5 mg/kg and 1 mg/kg of Cd respectively during 8 weeks. After treatment period, animals were tested in the open-field, elevated plus maze tests for anxiety-like behavior, and forced swimming test for depression-like behavior. The Y maze was used to evaluate the working memory and the Morris Water Maze, to evaluate space learning and spatial memory. The results revealed that in males, all doses of Cd provoke depression-like, while in females only the group treated with 1 mg/kg Cd shows elevated depression-like behavior. In regard to anxiety-like behavior, Cd induces an anxiogenic effect in both genders tests. In the Y-Maze test, both males and females expressed a low percentage of alternations, suggesting that working memory was affected by Cd at 1 mg/kg. In the Morris Water Maze test, the space learning and spatial memory were significantly impaired in the group Cd-1. Neurochemical analysis showed that levels of nitric oxide and lipid peroxidation in the hippocampus were significantly increased after Cd treatments. Overall analysis of our data revealed that Cd caused significant alterations in the examined parameters that were sex-dependent and dose-dependent.The main objective of this work is to study the effect of chronic administration of cadmium (Cd) on the level of depression-like, anxiety-like, memory state and oxidative stress in male and female Wistar rats. For this purpose, this study was conducted with 24 rats for each gender. Four groups were constituted: (Group 1: Control): received saline solution NaCl (0.9%), (Group 2: Cd-0.25;Group 3: Cd-0.5;Group 4: Cd-1): received daily 0.25 mg/kg, 0.5 mg/kg and 1 mg/kg of Cd respectively during 8 weeks. After treatment period, animals were tested in the open-field, elevated plus maze tests for anxiety-like behavior, and forced swimming test for depression-like behavior. The Y maze was used to evaluate the working memory and the Morris Water Maze, to evaluate space learning and spatial memory. The results revealed that in males, all doses of Cd provoke depression-like, while in females only the group treated with 1 mg/kg Cd shows elevated depression-like behavior. In regard to anxiety-like behavior, Cd induces an anxiogenic effect in both genders tests. In the Y-Maze test, both males and females expressed a low percentage of alternations, suggesting that working memory was affected by Cd at 1 mg/kg. In the Morris Water Maze test, the space learning and spatial memory were significantly impaired in the group Cd-1. Neurochemical analysis showed that levels of nitric oxide and lipid peroxidation in the hippocampus were significantly increased after Cd treatments. Overall analysis of our data revealed that Cd caused significant alterations in the examined parameters that were sex-dependent and dose-dependent.

关 键 词：CADMIUM Depression-Like Anxiety-Like Memory OXIDATIVE Stress 

分 类 号：R73[医药卫生—肿瘤]