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  1. 原著論文

Longitudinal imaging evaluation of the inflammatory role of purinergic AA receptors during subacute and chronic ischemic stroke.

https://repo.qst.go.jp/records/2003011
https://repo.qst.go.jp/records/2003011
6197c152-9f79-47b9-8b2f-beec1eb0a662
アイテムタイプ 学術雑誌論文 / Journal Article(1)
公開日 2026-03-13
タイトル
タイトル Longitudinal imaging evaluation of the inflammatory role of purinergic AA receptors during subacute and chronic ischemic stroke.
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 Maider Garbizu

× Maider Garbizu

Maider Garbizu

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Naroa Mocha-Muñoz

× Naroa Mocha-Muñoz

Naroa Mocha-Muñoz

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Esther Rubio-López

× Esther Rubio-López

Esther Rubio-López

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Laura Palacios

× Laura Palacios

Laura Palacios

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Laura Aguado

× Laura Aguado

Laura Aguado

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María Ardaya

× María Ardaya

María Ardaya

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Ana Joya

× Ana Joya

Ana Joya

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Unai Alduntzin

× Unai Alduntzin

Unai Alduntzin

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Sandra Plaza-García

× Sandra Plaza-García

Sandra Plaza-García

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Daniel Padro

× Daniel Padro

Daniel Padro

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Vanessa Gómez-Vallejo

× Vanessa Gómez-Vallejo

Vanessa Gómez-Vallejo

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Unai Cossío

× Unai Cossío

Unai Cossío

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Makoto Higuchi

× Makoto Higuchi

Makoto Higuchi

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Pedro Ramos-Cabrer

× Pedro Ramos-Cabrer

Pedro Ramos-Cabrer

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José Luis Zugaza

× José Luis Zugaza

José Luis Zugaza

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Jordi Llop

× Jordi Llop

Jordi Llop

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Abraham Martín

× Abraham Martín

Abraham Martín

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抄録
内容記述タイプ Abstract
内容記述 Adenosine A receptors (AARs) have shown promising therapeutic properties despite their controversial role in modulating stroke outcome. However, the temporal evolution of cerebral AARs density after cerebral ischemia and its subsequent neuroinflammatory response have been scarcely explored. In this study, the expression of AARs after transient middle cerebral artery occlusion (MCAO) was evaluated in rats by positron emission tomography (PET) with [C]SCH442416 and immunohistochemistry (IHC). In addition, the role of AARs in stroke inflammation with pharmacological modulation was assessed with magnetic resonance imaging (MRI), PET imaging with [F]DPA-714 (TSPO), IHC, western-blot, and autoradiography. After cerebral ischemia, [C]SCH442416 and IHC revealed neural expression of AARs in the striatum in healthy brains, followed by a binding decrease at day 1 and a subsequent significant increase at day 3 after ischemia in microglia and infiltrated leukocytes. Furthermore, activation of AARs with the agonist CGS-21680 resulted in a reduction in stroke volume, along with an increase in TSPO expression in immune cells in the striatum. Our results provide novel evidence on AARs density dynamics after cerebral ischemia that might guide the therapeutic management of stroke by modulating adenosine receptors.
書誌情報 Journal of cerebral blood flow and metabolism : official journal of the International Society of Cerebral Blood Flow and Metabolism

巻 46, 号 2, p. 456-472, 発行日 2026-02
出版者
出版者 SAGE Publications
ISSN
収録物識別子タイプ ISSN
収録物識別子 1559-7016
PubMed番号
識別子タイプ PMID
関連識別子 40916904
DOI
識別子タイプ DOI
関連識別子 10.1177/0271678X251370835
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