Prolonged separation delays wound healing in monogamous California mice, Peromyscus californicus, but not in polygynous white-footed mice, P. leucopus

Physiology & Behavior
Lynn B MartinA C DeVries

Abstract

Social interactions are often stressful, but under certain circumstances, they may be beneficial for health and well-being. In a previous study, wound healing was slowed after mate separation (2 days) in monogamous California mice, Peromyscus californicus, but not polygynous white-footed mice, P. leucopus. Although these results indicate that positive social interaction is critical for immune activity in some species, the extent to which such social effects are enduring remains unspecified. The goal of the present experiments was to determine whether a period representing approximately 20% of expected adult lifespan of these species in the wild (8 weeks) would affect wound healing. Because our experimental design required that the same animals were wounded twice, we were also able to determine the extent to which wound healing is repeatable. Wound healing remained delayed after 8 weeks of separation in P. californicus, and healing scores were not correlated between first and second wounds within individuals. In P. leucopus however, housing conditions did not influence wound healing, but first and second wound healings were correlated indicating repeatability. In sum, our results suggest that positive social interactions may be ...Continue Reading

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Citations

Feb 4, 2014·Physiology & Behavior·Leah M PyterChristopher G Engeland
Jul 22, 2014·Behavioral Ecology and Sociobiology·Elizabeth A ArchieSusan C Alberts
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Aug 27, 2018·General and Comparative Endocrinology·Michael G RuscioGreer McKendrick
Jul 15, 2011·The Journal of Experimental Biology·Lynn B MartinCourtney A C Coon

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