The decreased astrocyte-microglia interaction reflects the early characteristics of Alzheimer's disease
© 2024 The Authors..
Alzheimer's disease (AD) is the most common neurodegenerative disease often associated with olfactory dysfunction. Aβ is a typical AD hall marker, but Aβ-induced molecular alterations in olfactory memory remain unclear. In this study, we used a 5xFAD mouse model to investigate Aβ-induced olfactory changes. Results showed that 4-month-old 5xFAD have olfactory memory impairment accompanied by piriform cortex neuron activity decline and no sound or working memory impairment. In addition, synapse and glia functional alteration is consistent across different ages at the proteomic level. Microglia and astrocyte specific proteins showed strong interactions in the conserved co-expression network module. Moreover, this interaction declines only in mild cognitive impairment patients in human postmortem brain proteomic data. This suggests that astrocytes-microglia interaction may play a leading role in the early stage of Aβ-induced olfactory memory impairment, and the decreasing of their synergy may accelerate the neurodegeneration.
| Medienart: |
E-Artikel |
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| Erscheinungsjahr: |
2024 |
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| Erschienen: |
2024 |
| Enthalten in: |
Zur Gesamtaufnahme - volume:27 |
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| Enthalten in: |
iScience - 27(2024), 3 vom: 15. März, Seite 109281 |
| Sprache: |
Englisch |
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| Beteiligte Personen: |
Liu, Kefu [VerfasserIn] |
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| Links: |
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| Themen: |
Biological sciences |
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| Anmerkungen: |
Date Revised 09.03.2024 published: Electronic-eCollection Citation Status PubMed-not-MEDLINE |
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| doi: |
10.1016/j.isci.2024.109281 |
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| Förderinstitution / Projekttitel: |
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| PPN (Katalog-ID): |
NLM36945717X |
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| 520 | |a Alzheimer's disease (AD) is the most common neurodegenerative disease often associated with olfactory dysfunction. Aβ is a typical AD hall marker, but Aβ-induced molecular alterations in olfactory memory remain unclear. In this study, we used a 5xFAD mouse model to investigate Aβ-induced olfactory changes. Results showed that 4-month-old 5xFAD have olfactory memory impairment accompanied by piriform cortex neuron activity decline and no sound or working memory impairment. In addition, synapse and glia functional alteration is consistent across different ages at the proteomic level. Microglia and astrocyte specific proteins showed strong interactions in the conserved co-expression network module. Moreover, this interaction declines only in mild cognitive impairment patients in human postmortem brain proteomic data. This suggests that astrocytes-microglia interaction may play a leading role in the early stage of Aβ-induced olfactory memory impairment, and the decreasing of their synergy may accelerate the neurodegeneration | ||
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| 700 | 1 | |a Liu, Mengyao |e verfasserin |4 aut | |
| 700 | 1 | |a Parhat, Nazakat |e verfasserin |4 aut | |
| 700 | 1 | |a Kong, Wei |e verfasserin |4 aut | |
| 700 | 1 | |a Yin, Xingyu |e verfasserin |4 aut | |
| 700 | 1 | |a Liu, Gang |e verfasserin |4 aut | |
| 700 | 1 | |a Yu, Ding |e verfasserin |4 aut | |
| 700 | 1 | |a Hong, Jie |e verfasserin |4 aut | |
| 700 | 1 | |a Ni, Junjun |e verfasserin |4 aut | |
| 700 | 1 | |a Quan, Zhenzhen |e verfasserin |4 aut | |
| 700 | 1 | |a Liu, Xiaoyun |e verfasserin |4 aut | |
| 700 | 1 | |a Ji, Simei |e verfasserin |4 aut | |
| 700 | 1 | |a Mao, Jian |e verfasserin |4 aut | |
| 700 | 1 | |a Peng, Weijun |e verfasserin |4 aut | |
| 700 | 1 | |a Chen, Chao |e verfasserin |4 aut | |
| 700 | 1 | |a Yan, Yan |e verfasserin |4 aut | |
| 700 | 1 | |a Qing, Hong |e verfasserin |4 aut | |
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