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(Reference retrieved automatically from Web of Science through information on FAPESP grant and its corresponding number as mentioned in the publication by the authors.)

Sickness and Aggressive Behavior in Dominant and Subordinate Mice

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Author(s):
Cohn, Daniel W. H. [1] ; de Sa-Rocha, Luiz C. [1]
Total Authors: 2
Affiliation:
[1] Univ Sao Paulo, Sch Vet Med, Dept Pathol, Sao Paulo - Brazil
Total Affiliations: 1
Document type: Journal article
Source: Ethology; v. 115, n. 2, p. 112-121, FEB 2009.
Web of Science Citations: 5
Abstract

Sick animals show a set of organized behavioral changes (sickness behavior), which is the result of a motivational re-organization of the behavior as a whole. Sickness behavior display can be influenced by the social context. In this work, we sought to investigate the regulation of sickness behavior within a pair of mice in the presence of an intruder mouse. Dominant and subordinate mice were treated with the bacterial endotoxin lipopolysaccharide (LPS) and were challenged with the presence of an intruder mouse. LPS effects depended on ranking and social context. Even though dominant mice displayed more agonistic interaction towards the intruder, subordinate mice displayed agonistic behavior towards the intruder when their dominant companion was treated with LPS. The results show that, not only sickness behavior is differentially expressed among different social ranks, but also that sickness behavior is related to different reactions among surrounding animals. These data are relevant for a biological approach to the relation between sickness behavior and social behavior. (AU)

FAPESP's process: 04/14128-0 - Neuroimmunomodulation: effects of drugs, stress and cytocines on central nervous and immune systems bidirectional relationships
Grantee:João Palermo Neto
Support Opportunities: Research Projects - Thematic Grants