Maturation of shoaling in two zebrafish strains: A behavioral and neurochemical analysis

被引:74
作者
Mahabir, Samantha [1 ]
Chatterjee, Diptendu [2 ]
Buske, Christine [1 ]
Gerlai, Robert [1 ,2 ]
机构
[1] Univ Toronto, Dept Cell & Syst Biol, Mississauga, ON L5L 1C6, Canada
[2] Univ Toronto, Dept Psychol, Mississauga, ON L5L 1C6, Canada
关键词
Development of social behavior; Dopamine; Serotonin; Shoaling; Zebrafish; DANIO-RERIO; SEROTONINERGIC SYSTEMS; SOCIAL-BEHAVIOR; ADULT ZEBRAFISH; RAT-BRAIN; MODEL; AUTISM; GENETICS; DISEASE; SITES;
D O I
10.1016/j.bbr.2013.03.013
中图分类号
B84 [心理学]; C [社会科学总论]; Q98 [人类学];
学科分类号
03 ; 0303 ; 030303 ; 04 ; 0402 ;
摘要
Abnormal social behavior is a hallmark of several human neuropsychiatric and neurodevelopmental disorders for which appropriate treatment is lacking. The zebrafish has been proposed as a tool with which these disorders may be modeled and their mechanisms analyzed. A potential starting point of such analyses is the identification of genetic differences between distinct zebrafish strains. Here we compare AB and TU, two well established zebrafish strains, and characterize the developmental trajectories of their shoaling (social) behavior and of the levels of dopamine, serotonin as well as a metabolite of each of these neurotransmitters, DOPAC and 5HIAA from whole brain extracts. Using a novel video-tracking software application, we demonstrate significant strain dependent changes in the maturation of shoaling between day 7 and day 87 post-fertilization. Using high-precision liquid chromatography specifically adapted to zebrafish, we uncover a significant age x strain interaction in dopamine and DOPAC that apparently correlates well with the behavioral differences found between the strains. We also report on strain differences in serotonin and 5HIAA. We discuss possible mechanistic analyses that will address causality and conclude that zebrafish will be a useful tool with which the neurobiological and genetic bases of social behavior may be analyzed in vertebrates. (C) 2013 Elsevier B.V. All rights reserved.
引用
收藏
页码:1 / 8
页数:8
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