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CD8+ T cell gene expression analysis identifies differentially expressed genes between multiple sclerosis patients
I S Brorson1,2, A M Eriksson1,2, I S Leikfoss1
1Institute of Clinical Medicine, University of Oslo, Oslo, Norway.
Multiple Sclerosis Journal - Experimental, Translational and Clinical
|December 21, 2020
Summary
Gene expression in CD8+ T cells differs in multiple sclerosis (MS) patients, with most genes showing higher activity. This finding may help understand T cell roles in MS pathology.
Area of Science:
- Immunology
- Genetics
- Neuroscience
Background:
- T cells are implicated in multiple sclerosis (MS) pathology.
- The precise role of T cells and their potential as MS biomarkers remain unclear.
Purpose of the Study:
- To analyze gene expression profiles of CD8+ T cells in MS patients versus healthy controls.
- To investigate potential T cell involvement and biomarker utility in MS.
Main Methods:
- Purified CD8+ T cells were isolated from MS patients and controls.
- RNA sequencing and differential gene expression analysis were performed.
- Pathway analysis identified potential biological pathways involved in MS.
Main Results:
- 36 genes showed significant differential expression in MS patients' CD8+ T cells.
- Four genes exhibited at least a 2-fold change in expression.
- Enrichment of MS-associated genes from GWAS was observed, but no specific pathways were identified.
Conclusions:
- CD8+ T cells display altered gene expression in MS, predominantly with increased activity.
- Specific biological pathways were not identified in this study.
- Further research into CD8+ T cell subtypes may elucidate their role in MS.
