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| Status |
Public on Jun 25, 2024 |
| Title |
West Nile Virus-induced expression of senescent gene Lgals3bpregulates microglial phenotype within cerebral cortex |
| Organism |
Mus musculus |
| Experiment type |
Expression profiling by high throughput sequencing
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| Summary |
Microglia, the resident macrophages of the central nervous system, exhibit altered gene expression in response to various neurological conditions. This study investigates the relationship between West Nile Virus infection, and microglial senescence, focusing on the role of LGALS3BP, a protein implicated in both antiviral responses and aging. Using spatial transcriptomics, RNA sequencing and flow cytometry, we characterized changes in microglial gene signatures in adult and aged mice following recovery from WNV encephalitis. Additionally, we analyzed Lgals3bp expression and generated Lgals3bp-deficient mice to assess the impact on neuroinflammation and microglial phenotypes. Our results show that WNV-activated microglia share transcriptional signatures with aged microglia, including upregulation of genes involved in interferon response and inflammation. Lgals3bp was broadly expressed in the CNS and robustly upregulated during WNV infection and aging. Lgals3bp-deficient mice exhibited reduced neuroinflammation, increased homeostatic microglial numbers, and altered T cell populations without differences in virologic control or survival. This data indicates that LGALS3BP has a role in regulating neuroinflammation and microglial activation and suggest that targeting LGALS3BP might provide a potential route for mitigating neuroinflammation-related cognitive decline in aging and post-viral infections.
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| Overall design |
CD11b+ cells extracted from Murine forebrain 30 days after mock- or West Nile Virus E218A infection of 16 or 85 week old C57BL6/J mice
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| Contributor(s) |
Arutyunov A, Klein R |
| Citation missing |
Has this study been published? Please login to update or notify GEO. |
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| Submission date |
Jun 25, 2024 |
| Last update date |
Jun 25, 2024 |
| Contact name |
Robyn S. Klein |
| E-mail(s) |
rklein8@uwo.ca
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| Organization name |
University of Western Ontario
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| Street address |
100 Perth Dr
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| City |
London |
| State/province |
ON |
| ZIP/Postal code |
N6A 5K8 |
| Country |
Canada |
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| Platforms (1) |
| GPL24247 |
Illumina NovaSeq 6000 (Mus musculus) |
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| Samples (12)
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| GSM8350174 |
CD11b cells from the brain, 16 wk mock 1 |
| GSM8350175 |
CD11b cells from the brain, 16 wk mock 2 |
| GSM8350176 |
CD11b cells from the brain, 16 wk mock 3 |
| GSM8350177 |
CD11b cells from the brain, 16 wk WNV 1 |
| GSM8350178 |
CD11b cells from the brain, 16 wk WNV 2 |
| GSM8350179 |
CD11b cells from the brain, 16 wk WNV 3 |
| GSM8350180 |
CD11b cells from the brain, 85 wk mock 1 |
| GSM8350181 |
CD11b cells from the brain, 85 wk mock 2 |
| GSM8350182 |
CD11b cells from the brain, 85 wk mock 3 |
| GSM8350183 |
CD11b cells from the brain, 85 wk WNV 1 |
| GSM8350184 |
CD11b cells from the brain, 85 wk WNV 2 |
| GSM8350185 |
CD11b cells from the brain, 85 wk WNV 3 |
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| Relations |
| BioProject |
PRJNA1127995 |
| Supplementary file |
Size |
Download |
File type/resource |
| GSE270687_Partek_CD11b_2B_Aged_Mice_RNA-Seq_Quantify_to_annotation_model_Partek_E_M_Gene_counts.txt.gz |
1.3 Mb |
(ftp)(http) |
TXT |
SRA Run Selector |
| Raw data are available in SRA |
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