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Effect of social isolation on anxiety-related behaviors, cortisol, and monoamines in adult zebrafish.
Behavioral Neuroscience ( IF 1.9 ) Pub Date : 2017-12-1 , DOI: 10.1037/bne0000220
Soaleha Shams 1 , Diane Seguin 2 , Amanda Facciol 1 , Diptendu Chatterjee 3 , Robert Gerlai 1
Affiliation  

Social isolation can be used to study behavioral, neural, and hormonal mechanisms that regulate interactions in social animals. Although isolation effects have been reported in social mammals and various fish species, systematic studies with isolated zebrafish are rare. Here, the authors examined behavior (social and nonsocial), physiological stress (whole-body cortisol levels), and neurochemicals (serotonin, dopamine, and their metabolites), following acute and chronic social isolation in adult zebrafish. To observe how isolated fish respond behaviorally to social stimuli, they exposed zebrafish to live conspecifics or animated images after acute (24 hr) or chronic (6 months) social isolation. The authors observed that isolation did not affect locomotor activity, but acute isolation had weak nonsignificant anxiogenic effects in adult zebrafish. They also found that all isolated fish responded to both live and animated social stimuli, and the stress hormone, cortisol was lower in chronically isolated fish. Finally, neurochemical analyses showed that serotonin levels increased when fish were exposed to social stimulus after acute isolation, but its metabolite 5HIAA decreased in response to social stimulus following both acute and chronic isolation. Levels of both dopamine and its metabolite DOPAC were also reduced in fish exposed to social stimulus after acute and chronic isolation. Overall, these results show that isolation in zebrafish is an effective tool to study fundamental mechanisms controlling social interaction at behavioral and physiological levels. (PsycINFO Database Record

中文翻译:

社会隔离对成年斑马鱼焦虑相关行为,皮质醇和单胺的影响。

社交隔离可以用来研究调节社交动物互动的行为,神经和激素机制。尽管据报道在社会哺乳动物和各种鱼类中存在隔离效果,但对隔离斑马鱼的系统研究却很少。在这里,作者研究了成年斑马鱼的急性和慢性社会隔离后的行为(社交和非社交),生理压力(全身皮质醇水平)和神经化学物质(血清素,多巴胺及其代谢物)。为了观察孤立的鱼如何对社交刺激做出行为反应,他们将斑马鱼暴露于急性(24小时)或慢性(6个月)社交孤立之后的活体或动态图像。作者观察到隔离并没有影响运动活性,但是急性隔离对成年斑马鱼的微弱的无显着的焦虑作用。他们还发现,所有隔离鱼对活的和活跃的社会刺激都做出了反应,而慢性隔离鱼中的压力激素,皮质醇较低。最后,神经化学分析表明,在急性隔离后,鱼类暴露于社会刺激下,血清素水平升高,但在急性和慢性隔离后,由于其对社会刺激的响应,其代谢产物5HIAA下降。急性和慢性隔离后,暴露于社会刺激下的鱼中多巴胺及其代谢产物DOPAC的水平也降低。总体而言,这些结果表明,斑马鱼中的隔离是研究行为和生理水平上控制社交互动的基本机制的有效工具。(PsycINFO数据库记录 长期分离的鱼体内的应激激素,皮质醇水平较低。最后,神经化学分析表明,在急性隔离后,鱼类暴露于社会刺激下,血清素水平升高,但在急性和慢性隔离后,由于其对社会刺激的响应,其代谢产物5HIAA下降。急性和慢性隔离后,暴露于社会刺激下的鱼中多巴胺及其代谢产物DOPAC的水平也降低。总体而言,这些结果表明,斑马鱼中的隔离是研究行为和生理水平上控制社交互动的基本机制的有效工具。(PsycINFO数据库记录 长期分离的鱼体内的应激激素,皮质醇水平较低。最后,神经化学分析表明,在急性隔离后,鱼类暴露于社会刺激下,血清素水平升高,但在急性和慢性隔离后,由于其对社会刺激的响应,其代谢产物5HIAA下降。急性和慢性隔离后,暴露于社会刺激下的鱼中多巴胺及其代谢产物DOPAC的水平也降低。总体而言,这些结果表明,斑马鱼中的隔离是研究行为和生理水平上控制社交互动的基本机制的有效工具。(PsycINFO数据库记录 但在急性和慢性隔离后,其对人体刺激的代谢产物5HIAA均下降。急性和慢性隔离后,暴露于社会刺激下的鱼中多巴胺及其代谢产物DOPAC的水平也降低。总体而言,这些结果表明,斑马鱼中的隔离是研究行为和生理水平上控制社交互动的基本机制的有效工具。(PsycINFO数据库记录 但在急性和慢性隔离后,其对人体刺激的代谢产物5HIAA均下降。急性和慢性隔离后,暴露于社会刺激下的鱼中多巴胺及其代谢产物DOPAC的水平也降低。总体而言,这些结果表明,斑马鱼中的隔离是研究行为和生理水平上控制社交互动的基本机制的有效工具。(PsycINFO数据库记录 这些结果表明,斑马鱼的隔离是研究行为和生理水平上控制社交互动的基本机制的有效工具。(PsycINFO数据库记录 这些结果表明,斑马鱼的隔离是研究行为和生理水平上控制社交互动的基本机制的有效工具。(PsycINFO数据库记录
更新日期:2020-08-21
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