Phenotypes for general behavior, activity, and body temperature in 3q29 deletion model mice

Daisuke Mori, Ryosuke Ikeda, Masahito Sawahata, Sho Yamaguchi, Akiko Kodama, Takashi Hirao, Yuko Arioka, Hiroki Okumura, Chihiro Inami, Toshiaki Suzuki, Yu Hayashi, Hidekazu Kato, Yoshihiro Nawa, Seiko Miyata, Hiroki Kimura, Itaru Kushima, Branko Aleksic, Hiroyuki Mizoguchi, Taku Nagai, Takanobu NakazawaRyota Hashimoto, Kozo Kaibuchi, Kazuhiko Kume, Kiyofumi Yamada, Norio Ozaki

研究成果: ジャーナルへの寄稿学術論文査読

1 被引用数 (Scopus)

抄録

Whole genome analysis has identified rare copy number variations (CNV) that are strongly involved in the pathogenesis of psychiatric disorders, and 3q29 deletion has been found to have the largest effect size. The 3q29 deletion mice model (3q29-del mice) has been established as a good pathological model for schizophrenia based on phenotypic analysis; however, circadian rhythm and sleep, which are also closely related to neuropsychiatric disorders, have not been investigated. In this study, our aims were to reevaluate the pathogenesis of 3q29-del by recreating model mice and analyzing their behavior and to identify novel new insights into the temporal activity and temperature fluctuations of the mouse model using a recently developed small implantable accelerometer chip, Nano-tag. We generated 3q29-del mice using genome editing technology and reevaluated common behavioral phenotypes. We next implanted Nano-tag in the abdominal cavity of mice for continuous measurements of long-time activity and body temperature. Our model mice exhibited weight loss similar to that of other mice reported previously. A general behavioral battery test in the model mice revealed phenotypes similar to those observed in mouse models of schizophrenia, including increased rearing frequency. Intraperitoneal implantation of Nano-tag, a miniature acceleration sensor, resulted in hypersensitive and rapid increases in the activity and body temperature of 3q29-del mice upon switching to lights-off condition. Similar to the 3q29-del mice reported previously, these mice are a promising model animals for schizophrenia. Successive quantitative analysis may provide results that could help in treating sleep disorders closely associated with neuropsychiatric disorders.

本文言語英語
論文番号138
ジャーナルTranslational psychiatry
14
1
DOI
出版ステータス出版済み - 12-2024

All Science Journal Classification (ASJC) codes

  • 精神医学および精神衛生
  • 細胞および分子神経科学
  • 生物学的精神医学

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