The plus maze and scototaxis test are not valid behavioral assays for anxiety assessment in the South African clawed frog

The plus maze and scototaxis test are not valid behavioral assays for anxiety assessment in the South African clawed frog
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十字迷宫和趋光性测试不是南非爪蛙焦虑评估的有效行为测定法

DOI:
10.1007/s00359-019-01351-3
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发表时间:
2019
期刊:
Journal of Comparative Physiology A
影响因子:
--
通讯作者:
Harris, Breanna N.
Harris, Breanna N.
中科院分区:
--
文献类型:
--
作者:
Coleman, R. Boone;Aguirre, Kelsey;Spiegel, Hannah P.;Pecos, Celina;Carr, James A.;Harris, Breanna N.

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目前还没有测试两栖动物焦虑的行为模型,两栖动物是一组广泛用于发育、生态毒理学和遗传学研究的动物。我们的目标是验证两种常见的啮齿动物范例,加迷宫和趋暗性测试,用于水生非洲爪蛙(非洲爪蛙)。我们预测:(A)青蛙更喜欢测试场地的黑暗部分,而不是明亮的部分(表面效度),(B)这种行为可以通过急性应用焦虑选择性药物来改变(结构效度),以及(C)在竞技场黑暗部分花费的时间将呈正相关(预测效度)。在测试之前,青蛙接受氟西汀(选择性5-羟色胺再摄取抑制剂[SSRI])、地昔帕明(5-羟色胺和去甲肾上腺素再摄取抑制剂)、咖啡因(甲基黄嘌呤、腺苷受体拮抗剂、磷酸二酯酶抑制剂)、生理盐水治疗,或不做任何处理。每种药物都是以三种剂量之一的急性给药(试验前1小时;咖啡因)或亚急性给药(试验前24、3和1小时;氟西汀、地塞帕明)。此外,迷宫和趋视性测试每周分开1次;每只青蛙都完成了这两项行为任务,并在测试之前接受了相同的药物治疗。总体而言,两个测试都显示了表面效度,然而,数据表明这些范式既缺乏结构效度,也缺乏预测效度。
There are no behavioral models for testing anxiety in amphibians, a group of animals widely used for developmental, ecotoxicological, and genetic research. We aimed to validate two common rodent paradigms, the plus maze and the scototaxis test, for use in the aquatic African clawed frog (Xenopus laevis). We predicted: (a) that frogs would prefer the dark, vs. light, portions of the testing arenas (face validity), (b) that this behavior could be altered with acute administration of anxio-selective drugs (construct validity), and (c) that time spent in the dark portions of the arenas would be positively correlated (predictive validity). Prior to testing, frogs were treated with fluoxetine (selective serotonin reuptake inhibitor [SSRI]), desipramine (serotonin- and norepinephrine-reuptake inhibitor), caffeine (methylxanthine, adenosine receptor antagonist, phosphodiesterase inhibitor), saline, or were left unmanipulated. Each drug was administered acutely (1 h prior to testing; caffeine) or subacutely (24, 3, and 1 h prior to testing; fluoxetine, desipramine) at one of three doses. Plus maze and scototaxis testing were separated by 1 week; each frog completed both behavioral tasks and was treated with the same drug regimen prior to testing. Overall, both tests showed face validity, however, data suggest these paradigms lack both construct and predictive validity.
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