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  1. 原著論文

Increased glutamate and glutamine levels and their relationship to astrocytes and dopaminergic transmissions in the brains of adults with autism.

https://repo.qst.go.jp/records/2000723
https://repo.qst.go.jp/records/2000723
7da79b9b-a8a3-4508-8dc5-4d4149196f85
アイテムタイプ 学術雑誌論文 / Journal Article(1)
公開日 2024-12-02
タイトル
タイトル Increased glutamate and glutamine levels and their relationship to astrocytes and dopaminergic transmissions in the brains of adults with autism.
言語 en
言語
言語 eng
資源タイプ
資源タイプ識別子 http://purl.org/coar/resource_type/c_6501
資源タイプ journal article
著者 Masaki Oya

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Masaki Oya

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Kiwamu Matsuoka

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Kiwamu Matsuoka

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Manabu Kubota

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Manabu Kubota

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Junya Fujino

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Junya Fujino

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Shisei Tei

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Shisei Tei

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Keisuke Takahata

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Keisuke Takahata

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Kenji Tagai

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Kenji Tagai

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Yasuharu Yamamoto

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Yasuharu Yamamoto

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Hitoshi Shimada

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Hitoshi Shimada

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Chie Seki

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Chie Seki

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Takashi Itahashi

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Takashi Itahashi

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Yuta Y Aoki

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Yuta Y Aoki

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Haruhisa Ohta

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Haruhisa Ohta

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Ryu-Ichiro Hashimoto

× Ryu-Ichiro Hashimoto

Ryu-Ichiro Hashimoto

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Genichi Sugihara

× Genichi Sugihara

Genichi Sugihara

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Takayuki Obata

× Takayuki Obata

Takayuki Obata

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Ming-Rong Zhang

× Ming-Rong Zhang

Ming-Rong Zhang

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Tetsuya Suhara

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Tetsuya Suhara

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Motoaki Nakamura

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Motoaki Nakamura

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Nobumasa Kato

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Nobumasa Kato

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Yuhei Takado

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Yuhei Takado

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Hidehiko Takahashi

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Hidehiko Takahashi

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Makoto Higuchi

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Makoto Higuchi

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抄録
内容記述タイプ Abstract
内容記述 Increased excitatory neuronal tones have been implicated in autism, but its mechanism remains elusive. The amplified glutamate signals may arise from enhanced glutamatergic circuits, which can be affected by astrocyte activation and suppressive signaling of dopamine neurotransmission. We tested this hypothesis using magnetic resonance spectroscopy and positron emission tomography scan with C-SCH23390 for dopamine D1 receptors in the anterior cingulate cortex (ACC). We enrolled 18 male adults with high-functioning autism and 20 typically developed (TD) male subjects. The autism group showed elevated glutamate, glutamine, and myo-inositol (mI) levels compared with the TD group (p?=?0.045, p?=?0.044, p?=?0.030, respectively) and a positive correlation between glutamine and mI levels in the ACC (r?=?0.54, p?=?0.020). In autism and TD groups, ACC D1 receptor radioligand binding was negatively correlated with ACC glutamine levels (r?=??-?0.55, p?=?0.022; r?=??-?0.58, p?=?0.008, respectively). The enhanced glutamate-glutamine metabolism might be due to astroglial activation and the consequent reinforcement of glutamine synthesis in autistic brains. Glutamine synthesis could underly the physiological inhibitory control of dopaminergic D1 receptor signals. Our findings suggest a high neuron excitation-inhibition ratio with astrocytic activation in the etiology of autism.
書誌情報 Scientific reports

巻 13, 号 1, p. 11655, 発行日 2023-07
出版者
出版者 Springer Nature
ISSN
収録物識別子タイプ ISSN
収録物識別子 2045-2322
PubMed番号
識別子タイプ PMID
関連識別子 37468523
DOI
識別子タイプ DOI
関連識別子 10.1038/s41598-023-38306-3
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