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Please use this identifier to cite or link to this item: http://hdl.handle.net/10564/3350

Title: Microglia-derived neuregulin expression in psychiatric disorders.
Other Titles: 精神疾患におけるマイクログリア由来ニューレグリン発現
Authors: Ikawa, Daisuke
Makinodan, Manabu
Iwata, Keiko
Ohgidani, Masahiro
Kato, Takahiro A.
Yamashita, Yasunori
Yamamuro, Kazuhiko
Kimoto, Sohei
Toritsuka, Michihiro
Yamauchi, Takahira
Fukami, Shin-ichi
Yoshino, Hiroki
Okumura, Kazuki
Tanaka, Tatsuhide
Wanaka, Akio
Owada, Yuji
Tsujii, Masatsugu
Sugiyama, Toshiro
Tsuchiya, Kenji
Mori, Norio
Hashimoto, Ryota
Matsuzaki, Hideo
Kanba, Shigenobu
Kishimoto, Toshifumi
Keywords: Neuregulin
Autism spectrum disorder
Issue Date: Mar-2017
Publisher: Elsevier
Citation: Brain, behavior, and immunity Vol.61 p.375-385 (2017 Mar)
Abstract: Several studies have revealed that neuregulins (NRGs) are involved in brain function and psychiatric disorders. While NRGs have been regarded as neuron- or astrocyte-derived molecules, our research has revealed that microglia also express NRGs, levels of which are markedly increased in activated microglia. Previous studies have indicated that microglia are activated in the brains of individuals with autism spectrum disorder (ASD). Therefore, we investigated microglial NRG mRNA expression in multiple lines of mice considered models of ASD. Intriguingly, microglial NRG expression significantly increased in BTBR and socially-isolated mice, while maternal immune activation (MIA) mice exhibited identical NRG expression to controls. Furthermore, we observed a positive correlation between NRG expression in microglia and peripheral blood mononuclear cells (PBMCs) in mice, suggesting that NRG expression in human PBMCs may mirror microglia-derived NRG expression in the human brain. To translate these findings for application in clinical psychiatry, we measured levels of NRG1 splice-variant expression in clinically available PBMCs of patients with ASD. Levels of NRG1 type III expression in PBMCs were positively correlated with impairments in social interaction in children with ASD (as assessed using the Autistic Diagnostic Interview-Revised test: ADI-R). These findings suggest that immune cell-derived NRGs may be implicated in the pathobiology of psychiatric disorders such as ASD.
Description: 博士(医学)・乙第1404号・平成29年6月28日
Copyright © 2017 Elsevier Inc. All rights reserved.
URI: http://hdl.handle.net/10564/3350
ISSN: 08891591
Academic Degrees and number: 24601B1404
Degree-granting date: 2017-06-28
Degree name: 博士(医学)
Degree-granting institutions: 奈良県立医科大学
Appears in Collections:2017年度

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