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2015 Fiscal Year Final Research Report

Analysis of a mouse model showing autism-related behavioral abnormalities

Research Project

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Project/Area Number 25461567
Research Category

Grant-in-Aid for Scientific Research (C)

Allocation TypeMulti-year Fund
Section一般
Research Field Pediatrics
Research InstitutionMatsuyama University

Principal Investigator

Nakajima Mitsunari  松山大学, 薬学部, 准教授 (70311404)

Co-Investigator(Kenkyū-buntansha) FURUKAWA YOSHIKO  松山大学, 薬学部, 教授 (20219108)
OKUYAMA SATOSHI  松山大学, 薬学部, 助教 (40550380)
Project Period (FY) 2013-04-01 – 2016-03-31
Keywords自閉症
Outline of Final Research Achievements

Wnt1-cre and Wnt1-GAL4 double transgenic (dTg) mice are used to study neural crest cell lineages, and are achieved utilizing either the Cre/loxP or GAL4/UAS system. In the present study, we demonstrated behavioral abnormalities in dTg mice that are associated with psychiatric disorders, such as increased locomotor activity, decreased social behavior, and an increased frequency in vertical jumping. Of these, the proclivity for vertical jumping was observed only in male dTg mice. In contrast, MK-801 administration induced hyperlocomotion in only the female dTg mice, which was subsequently rescued by treatment with clozapine. Furthermore, the concentrations of prolactin in the sera, and oxytocin in the hypothalamus, were both reduced only in female dTg mice, compared to controls. These results suggest that the phenotype of psychiatric disorders may be influenced by gender-gene interactions.

Free Research Field

医歯薬学

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Published: 2017-05-10  

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