Dopamine D1 receptor agonist A-68930 ameliorates Aβ1-42-induced cognitive impairment and neuroinflammation in mice
Copyright © 2020 Elsevier B.V. All rights reserved..
Alzheimer's disease (AD) is an irreversible neurodegenerative disease characterized by progressive cognitive dysfunction and memory impairment. Dopamine is an important catecholaminergic neurotransmitter that controls movement, reward, motivation, and cognition. Recently, dopamine receptors were reported to regulate immune system in both periphery and central nervous system. However, whether dopamine D1 receptor (DRD1) activation could improve neuroinflammation in AD conditions remains unknown. The present study aimed to investigate the therapeutic effects and underlying mechanisms of a potent and selective DRD1 agonist A-68930 on Aβ1-42-induced mice. Here we showed that intraperitoneal injection of A-68930 significantly ameliorated Aβ1-42-induced cognitive dysfunction in mice. Moreover, both in vivo and in vitro data showed that A-68930-induced DRD1 activation significantly inhibited NLRP3 inflammasome-dependent neuroinflammation induced by Aβ1-42, and this effect may be mediated by the activation of AMPK/autophagy signaling pathway, which enhanced NLRP3 inflammasome degradation and thus decreased the secretion of IL-1β and IL-18. The present study suggests that A-68930-induced DRD1 signaling efficiently alleviates Aβ1-42-induced cognitive impairment and neuroinflammation in mice and BV2 cells, and DRD1 may become a promising therapeutic target for AD.
| Medienart: |
E-Artikel |
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| Erscheinungsjahr: |
2020 |
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| Erschienen: |
2020 |
| Enthalten in: |
Zur Gesamtaufnahme - volume:88 |
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| Enthalten in: |
International immunopharmacology - 88(2020) vom: 10. Nov., Seite 106963 |
| Sprache: |
Englisch |
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| Beteiligte Personen: |
Cheng, Zhao-Yan [VerfasserIn] |
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| Links: |
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| Anmerkungen: |
Date Completed 27.05.2021 Date Revised 27.05.2021 published: Print-Electronic Citation Status MEDLINE |
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| doi: |
10.1016/j.intimp.2020.106963 |
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| funding: |
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| Förderinstitution / Projekttitel: |
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NLM317495321 |
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| 520 | |a Alzheimer's disease (AD) is an irreversible neurodegenerative disease characterized by progressive cognitive dysfunction and memory impairment. Dopamine is an important catecholaminergic neurotransmitter that controls movement, reward, motivation, and cognition. Recently, dopamine receptors were reported to regulate immune system in both periphery and central nervous system. However, whether dopamine D1 receptor (DRD1) activation could improve neuroinflammation in AD conditions remains unknown. The present study aimed to investigate the therapeutic effects and underlying mechanisms of a potent and selective DRD1 agonist A-68930 on Aβ1-42-induced mice. Here we showed that intraperitoneal injection of A-68930 significantly ameliorated Aβ1-42-induced cognitive dysfunction in mice. Moreover, both in vivo and in vitro data showed that A-68930-induced DRD1 activation significantly inhibited NLRP3 inflammasome-dependent neuroinflammation induced by Aβ1-42, and this effect may be mediated by the activation of AMPK/autophagy signaling pathway, which enhanced NLRP3 inflammasome degradation and thus decreased the secretion of IL-1β and IL-18. The present study suggests that A-68930-induced DRD1 signaling efficiently alleviates Aβ1-42-induced cognitive impairment and neuroinflammation in mice and BV2 cells, and DRD1 may become a promising therapeutic target for AD | ||
| 650 | 4 | |a Journal Article | |
| 650 | 4 | |a A-68930 | |
| 650 | 4 | |a Alzheimer’s disease | |
| 650 | 4 | |a Autophagy | |
| 650 | 4 | |a Dopamine D1 receptor | |
| 650 | 4 | |a NLRP3 inflammasome | |
| 650 | 4 | |a Neuroinflammation | |
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| 700 | 1 | |a Wang, Chen |e verfasserin |4 aut | |
| 700 | 1 | |a He, Ling |e verfasserin |4 aut | |
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