Global quantitative proteomic analysis of aged mouse hippocampus
Abstract: Understanding the molecular changes associated with the aged brain forms the basis for developing potential strategies for slowing cognitive decline associated with normal aging. Focusing on the hippocampus, a critical brain region involved in learning and memory, we employed tandem mass tag methodology to investigate global proteomic changes that occur in advanced‐aged (20‐month) versus young (3‐month) C57BL/6 male mice. Our analysis revealed the upregulation of 236 proteins in the old hippocampal proteome, including those enriched within several age‐related processes, such as the adaptive immune response and molecular metabolic pathways, whereas downregulated proteins (88 in total) are mainly involved in axonogenesis and growth cone‐related processes. Categorizing proteins by cell‐type enrichment in the brain identified a general upregulation of proteins preferentially expressed in microglia, astrocytes, and oligodendrocytes. In contrast, proteins with neuron‐specific expression displayed an overall age‐related downregulation. By integrating our proteomic with our previously published transcriptomic data, we discovered a mild but significant positive correlation between mRNA and protein expression changes in the aged hippocampus. Therefore, this proteomic data is a valuable additional resource for further understanding age‐related molecular mechanisms.
- Location
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Deutsche Nationalbibliothek Frankfurt am Main
- Extent
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Online-Ressource
- Language
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Englisch
- Bibliographic citation
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Global quantitative proteomic analysis of aged mouse hippocampus ; day:19 ; month:12 ; year:2023 ; extent:6
Proteomics ; (19.12.2023) (gesamt 6)
- Creator
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Huang, He
van Waardenberg, Ashley J.
Graham, Mark E.
Anggono, Victor
Widagdo, Jocelyn
- DOI
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10.1002/pmic.202300276
- URN
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urn:nbn:de:101:1-2023122014063665467746
- Rights
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Open Access; Der Zugriff auf das Objekt ist unbeschränkt möglich.
- Last update
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15.08.2025, 7:25 AM CEST
Data provider
Deutsche Nationalbibliothek. If you have any questions about the object, please contact the data provider.
Associated
- Huang, He
- van Waardenberg, Ashley J.
- Graham, Mark E.
- Anggono, Victor
- Widagdo, Jocelyn
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