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Psychopharmacology (Berl). 2001 Apr;155(1):110-2.

Limitations on the use of the C57BL/6 mouse in the tail suspension test.

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1
Department of Psychiatry, 415 Curie Boulevard, Room 538A, Clinical Research Building, University of Pennsylvania, Philadelphia, PA 19104-6140, USA.

Abstract

RATIONALE:

The C57BL/6 is one of the most widely used mouse strains in behavioral, pharmacological, and genetic research but little is known about their response on tests for antidepressant drugs.

OBJECTIVES:

The behavior of C57BL/6 mice, and mice from other strains, was examined in the tail suspension test (TST), a common behavioral test used for the screening of antidepressant compounds.

METHODS:

C57BL/6J mice from the Jackson Laboratory, C57BL/6N mice from Harlan, A/J, 129-SV-ter and DBA/2 mice were tested under baseline conditions in the TST.

RESULTS:

The majority of the C57BL/6 mice from the Jackson Laboratory tested in this paradigm (70%) climbed up their tails during the 6-min test session. C57BL/6 mice obtained from Harlan (35%) also demonstrated this climbing behavior, suggesting that it is not specific to mice from a particular supplier. Other strains (A/J 18%), 129-SV-ter (0%) and DBA/2 (0%) mice) showed less propensity for tail climbing.

CONCLUSIONS:

The occurrence of this behavior is an important consideration when testing antidepressant drugs or the effects of stress using the TST with inbred mouse strains, especially those from the C57BL/6 strain.

PMID:
11374330
[Indexed for MEDLINE]
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