This study has been supported by the grant NIHM R01 MH091816 and R21 MH084043 to TDG.

1. Materials 
1. Suspension Box
The tail-suspension test (TST) involves suspending mice above the ground by their tails. At the most basic level, the procedure only requires a suspension bar or shelf ledge, and tape. However, the experimenter should consider the use of a background that provides optimal contrast. Additionally, it is prudent to take steps to prevent mice from observing other animals that are being tested. In our laboratory, we use specially manufactured t...

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Development of the TST by Steru et al.9 was influenced by the previously developed forced swim test10-12. Similar to the forced swim test, in the TST mice are placed in an inescapable but moderately stressful situation. Lack of escape related behavior is considered immobility. Like the forced swim test, the TST is a test best validated for the evaluation of antidepressant efficacy of drugs, but also used to evaluate the effects of environmental, neurobiological, and genetic manipulations<su...

<ul>
	<li>Tape</li>
	<li>Timer</li>
	<li>Video Camera</li>
	<li>White Noise Generator (optional)</li>
	<li>Climbstoppers (optional; depending upon strain used)</li>
</ul>

the tail suspension test

The tail-suspension test is a mouse behavioral test useful in the screening of potential antidepressant drugs, and assessing of other manipulations that are expected to affect depression related behaviors. Mice are suspended by their tails with tape, in such a position that it cannot escape or hold on to nearby surfaces. During this test, typically six minutes in duration, the resulting escape oriented behaviors are quantified. The tail-suspension test is a valuable tool in drug discovery for high-throughput screening of prospective antidepressant compounds. Here, we describe the details required for implementation of this test with additional emphasis on potential problems that may occur and how to avoid them. We also offer a solution to the tail climbing behavior, a common problem that renders this test useless in some mouse strains, such as the widely used C57BL/6. Specifically, we prevent tail climbing behaviors by passing mouse tails through a small plastic cylinder prior to suspension. Finally, we detail how to manually score the behaviors that are manifested in this test.

Watch this Scientific Journal Video about The Tail Suspension Test at JoVE.com

The Tail Suspension Test

The tail-suspension test is validated as an experimental procedure to assess antidepressant efficacy of drug treatments in mice. Mice are suspended by their tails for six minutes and escape-related behaviors are assessed. We describe procedures used in conducting the tail suspension test.

The tail-suspension test is a mouse behavioral test useful in the screening of potential antidepressant drugs, and assessing of other manipulations that ...

Research

JoVE Journal

Neuroscience

77.9K visualizações.  University of Maryland School of Medicine. O teste de tail-suspensão é validado como um procedimento experimental para avaliar a eficácia antidepressiva de tratamentos com drogas em camundongos. Os ratos são suspensos por suas caudas de seis minutos e escapar comportamentos relacionados são avaliados. Descrevemos os procedimentos utilizados na condução do teste de suspensão da cauda.