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首页> 外文期刊>Aggressive behavior: A multidisciplinary journal devoted to the experimental and observational analysis of conflict in humans and animals >Manipulations of vasopressin alter aggression differently across testing conditions in monogamous and nonmonogamous Peromyscus mice
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Manipulations of vasopressin alter aggression differently across testing conditions in monogamous and nonmonogamous Peromyscus mice

机译：在一夫一妻和非一夫一妻制的Peromyscus小鼠中，加压素的操纵在不同的测试条件下会不同地改变攻击性

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Differences in the distribution of arginine vasopressin (AVP) and a subtype of AVP receptors, the V I. receptor, may explain dissimilarities in social behavior of monogamous and non-monogamous rodents. Intracerebroventricular infusions of AVP and a V-1a antagonist were used in sexually naive males of two mouse species, the monogamous and highly aggressive California mouse (Peromyscus californicus) and the non-monogamous and less aggressive white-footed mouse (P. leucopus), to begin testing the interaction between the social system of a species and the effects of AVP on aggression. Two testing conditions, the resident-intruder aggression test (R-I) and the neutral arena aggression test, were used because they may differ in function and underlying biological mechanisms. In the R-I test, administration of the antagonist lengthened attack latencies in California mice. In contrast, blocking V-1a receptors did not alter attack latencies in the R-I test in white-footed mice or in the neutral arena aggression test in both species. AVP also did not alter aggression in either species in either behavioral test. Overall, these results suggest that AVP may be more likely to be associated with offensive aggression as measured in the R-I test than with neutral arena aggression and that the effects of AVP manipulations may differ between monogamous and non-monogamous rodents. (C) 2005 Wiley-Liss, Inc.
机译：精氨酸加压素（AVP）和AVP受体亚型（V I.受体）的分布差异可能解释了一夫一妻和非一夫一妻制啮齿动物的社会行为差异。脑室内注入AVP和V-1a拮抗剂用于两种天性雄性雄性小鼠，分别是一夫一妻制和高侵略性加利福尼亚小鼠（Peromyscus californicus）和非一夫一妻制且侵略性较小的白脚小鼠（P. leucopus），开始测试物种的社会系统与AVP对侵略的影响之间的相互作用。使用了两个测试条件，即居民-入侵者攻击测试（R-1）和中立竞技场攻击测试，因为它们的功能和基本生物学机制可能不同。在R-I测试中，拮抗剂的施用延长了加利福尼亚小鼠的发作潜伏期。相反，在这两种物种的R-I测试或中性竞技场攻击测试中，阻断V-1a受体都不会改变攻击潜伏期。在任一行为测试中，AVP均未改变这两种物种的侵略性。总体而言，这些结果表明，在R-I测试中测得的AVP可能比中立竞技场的侵略更可能与进攻性侵略相关，并且一夫一妻和非一夫一妻制啮齿动物对AVP操纵的效果可能有所不同。 （C）2005 Wiley-Liss，Inc.

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