Evidence map›Paper›PMID 40583051›Full record

ArticleImmunology2025

Distinct T Cell Receptor Clonotypes in the Sardinian Population Highlight the Role of Mucosal-Associated Invariant T Cells and Invariant Natural Killer T Cells in Multiple Sclerosis.

Jiaxin Shen, Elena Rita Simula, Yisu Liu, Gustavo Sganzerla Martinez, Xiaofen Wen, David J Kelvin, Leonardo A Sechi

Abstract read
In one paragraph

Article in Immunology, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 1 paper.

0numbers the graph read from it
0cells of the map it votes in
1citing papers in PubMed
–field-weighted citation impact
1 · What the graph read from it

What it found

Each row is one number read from the abstract, on the scale the paper reported it, with its interval. Left of the dashed line favours the treatment, right favours the comparator. Under each row is the sentence it came from. New to these charts? A ten-minute tutorial.

The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.

2 · The registry

The trial behind it

Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.

Neither the registry nor the abstract names a trial number. If this is a trial report, that itself is worth knowing.

3 · Its place in the literature

Who cites it

1 citing paper in PubMed.

  1. Article
4 · The record

Corrections and comments

PubMed lists nothing against this paper. Absence here is not a guarantee, only a check that was made.

5 · Who and what money

Authors and funding

7 authors.

Jiaxin ShenDepartment of Hematology, The First Affiliated Hospital of Shantou University Medical College, Shantou, Guangdong, People's Republic of China.
Elena Rita SimulaDepartment of Biomedical Sciences, University of Sassari, Sassari, Italy.
Yisu LiuDepartment of Biomedical Sciences, University of Sassari, Sassari, Italy.
Gustavo Sganzerla MartinezDepartment of Microbiology and Immunology & Canadian Centre for Vaccinology, Dalhouise University, Halfax, Nova Scotia, Canada.
Xiaofen WenDepartment of Biomedical Sciences, University of Sassari, Sassari, Italy.
David J KelvinDivision of Immunology, International Institute of Infection and Immunity, Shantou University Medical College, Shantou, Guangdong, China.
Leonardo A SechiDepartment of Biomedical Sciences, University of Sassari, Sassari, Italy.ORCID 0000-0003-0566-2049

Funding

Canada Research Chair in Translational Vaccinology and InflammationCIHRDalhousie Medical-Research Foundatione.INS Ecosystem of Innovation for Next Generation SardiniaLi-Ka Shing FoundationMinistero della Salute PNRR-MCNT1-2023-12376993Ministero dell'Università e della RicercaMpox Rapid Research Funding Initiative CIHR MZ1 187236Regione Autonoma della Sardegna legge regionale 12 22 December 2022 n. 22Regione Autonoma della Sardegna PRIN 2022 n: 2022BP837RResearch Nova Scotia Grant 2023-2565
6 · The paper itself

Abstract

Multiple sclerosis (MS) is a chronic, autoimmune, inflammatory disease of the central nervous system, driven by T-cell mediated immune responses. Studying T-cell receptor (TCR) clonotypes specific to MS in distinct populations can provide insights into disease mechanisms. The Sardinian population, with its unique genetic background resulting from geographical isolation, presents a high-risk cohort for MS research, offering a valuable context for understanding the disease's pathogenesis. We analysed the frequency of unique TCR clonotypes in peripheral blood samples from Sardinian MS patients and healthy controls, focusing on TCRα and TCRβ CDR3 sequences. Clonotypes were functionally annotated for antigen-specific interactions, and hierarchical analysis was performed to identify shared TCR clonotypes between MS patients and healthy controls. A total of 119 TCRβ and 521 TCRα CDR3 clonotypes were significantly more frequent in MS patients compared to healthy controls (p < 0.05). Several TCR-α clonotypes, such as CAVLDSNYQLIW (a MAIT cell clonotype targeting the BST2 antigen) and CAVNTGNQFYF (cross-reactive to multiple antigens, including CMV p65 and BST2), were identified as specific to MS. Shared clonotype analysis revealed the involvement of mucosal-associated invariant T (MAIT) cells and invariant natural killer T (iNKT) cells in MS pathogenesis. Notably, HCV-specific TCR-α clonotypes (NS3-HCV) were significantly increased in MS patients, suggesting a link between infectious disease-related and autoimmune-related clonotypes. No significant differences were observed for other antigens, such as VP22, p65 and BST2. This study identifies distinct TCR clonotypes associated with MS in the Sardinian population, highlighting the role of MAIT and iNKT cells in the disease's pathogenesis. The findings suggest that HCV-specific TCR repertoires may contribute to the development of MS. These results improve our understanding of T-cell mediated immune mechanisms in MS and offer potential targets for therapeutic intervention, particularly within the Sardinian cohort.

Indexed as

Mucosal-Associated Invariant T CellsMultiple SclerosisNatural Killer T-CellsReceptors, Antigen, T-CellReceptors, Antigen, T-Cell, alpha-betaAdultComplementarity Determining RegionsFemaleHumansItalyMaleMiddle AgedComplementarity Determining RegionsReceptors, Antigen, T-CellReceptors, Antigen, T-Cell, alpha-betaMAIT and iNKT cellsmultiple sclerosis (MS)Sardinian populationT cell receptor (TCR) clonotypes

Identifiers

PMID40583051
PMCPMC12583230

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Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.