Effects of sexual experience on conspecific odor preference and male odor-induced activation of the vomeronasal projection pathway and the nucleus accumbens in female rats.

Effects of sexual experience on conspecific odor preference and male odor-induced activation of the vomeronasal projection pathway and the nucleus accumbens in female rats. Research Abstract Details 

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Effects of sexual experience on conspecific odor preference and male odor-induced activation of the vomeronasal projection pathway and the nucleus accumbens in female rats. Abstract Text:

Nami Hosokawa,Atsuhiko Chiba,Nami Hosokawa,Atsuhiko Chiba,Nami Hosokawa,Atsuhiko Chiba,Nami Hosokawa,Atsuhiko Chiba,

In the present study in estrogen-progesterone primed ovariectomized female rats, we examined the expression of a preference for male odors and male odor-induced Fos immunoreactivity throughout the vomeronasal projection pathway and the nucleus accumbens (NAcc), using both sexually experienced and sexually naive subjects. Female rats significantly preferred airborne odors and soiled bedding from sexually active males over those from estrous females, irrespective of the presence or absence of prior sexual experience. On the other hand, the brain regions in which exposure to male-soiled bedding significantly increased Fos expression were different between sexually experienced and sexually naive subjects. Significant increment of Fos expression in the posterior-dorsal medial amygdala (MePD) and the bed nucleus of stria terminalis (BNST) in forebrain, as well as the accessory olfactory bulb, was observed in both groups of subjects. Fos expression in the anterior-dorsal medial amygdala (MeAD), the medial preoptic area (mPOA) and the NAcc core, however, was significantly increased only in the sexually experienced subjects. These results suggested that male odor-induced activations of the MePD and/or the BNST, but not of the MeAD, the mPOA and the NAcc core, are required for the expression of a male-directed odor preference in female rats.

Effects of sexual experience on conspecific odor preference and male odor-induced activation of the vomeronasal projection pathway and the nucleus accumbens in female rats. Publishing Authors By Initials

N Hosokawa,A Chiba,N Hosokawa,A Chiba,N Hosokawa,A Chiba,N Hosokawa,A Chiba,

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Effects of sexual experience on conspecific odor preference and male odor-induced activation of the vomeronasal projection pathway and the nucleus accumbens in female rats. Journal Published:

PUBLICATION TYPE: Journal Article

Journal: Brain research

VOLUME: 1175

Page Numbers: 66-75

Journal Abbreviation: Brain Res.

ISSN: 0006-8993

DAY: 14

MONTH: 08

YEAR: 2007

Effects of sexual experience on conspecific odor preference and male odor-induced activation of the vomeronasal projection pathway and the nucleus accumbens in female rats. Information

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LANGUAGE: eng

NlmUniqueID: 45503

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Grant and Affiliation Information for Effects of sexual experience on conspecific odor preference and male odor-induced activation of the vomeronasal projection pathway and the nucleus accumbens in female rats.

AFFILIATION: Life Science Insutitute, Sophia University, 7-1 Kioi-cho, Chiyoda-ku, Tokyo, 102-8554, Japan.

Country: Netherlands

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MEDLINETA: Brain Res

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