Evidence map›Paper›PMID 40279037›Full record

ArticleMolecular neurobiology2025

Association Between T2DM, TyG Index, Multiple Sclerosis, and Rheumatoid Arthritis: Insights into Potential Mechanisms.

Yi Peng, Chenxi Liu, Runxin Gan, Wei Liu

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Article in Molecular neurobiology, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 4 papers.

0numbers the graph read from it
0cells of the map it votes in
4citing 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

4 citing papers in PubMed.

  1. Article
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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

4 authors.

Yi Peng *Department of Rheumatology and Immunology, Xiangya Hospital, Central South University, Changsha, 410008, China.
Chenxi Liu *Department of Cardiology, Shanghai East Hospital, Tongji University School of Medicine, Shanghai, 200120, China.
Runxin GanReproductive Medicine Center, Xiangya Hospital, Central South University, Changsha, 410008, Hunan, China. grxhehe@126.com.
Wei LiuDepartment of Hematology, Xiangya Hospital, Central South University, Changsha, 410008, China. liuweivi@csu.edu.cn.

Funding

National Natural Science Foundation of China 82200229Natural Science Foundation of Hunan Province 2020JJ4930
6 · The paper itself

Abstract

Abundant research indicates that type 2 diabetes mellitus (T2DM) and insulin resistance (IR) have a certain association with autoimmune-related diseases (ARDs). However, the conclusions remain elusive. Therefore, this study aimed to explore whether there are causal associations between T2DM and IR indicator, triglyceride-glucose (TyG) index with ARDs, and evaluate the impact of immune cells. Comprehensive Mendelian randomization (MR) analysis combined with Bayesian colocalization was employed to investigate the relationship between T2DM, TyG index, ARDs, and specific-marker immune cells by extracting summary-level data from various genome-wide association studies (GWASs). Further investigations utilizing single-cell RNA sequencing (scRNA-seq) analysis were performed to explore the potential molecular mechanisms underlying the MR analysis results. Causal associations of T2DM with multiple sclerosis (MS) and rheumatoid arthritis (RA) were detected. Additionally, the TyG index was genetically predicted to be associated with MS. Furthermore, immune cells were found to be related to T2DM and TyG index, of which CD3 on naive CD8 + T cell mediate the effect on the association between TyG index and multiple sclerosis (MS). Additionally, genetic variation of TCF7L2 and TNFSF13B were assessed to play a crucial role in the aforementioned associations supported by colocalization analysis. This study identified T2DM and IR related to increased risk of MS and RA. The analysis of relevant immune cells and shared genetic loci provides a novel direction for exploring comorbidity mechanisms.

Indexed as

Arthritis, RheumatoidBlood GlucoseDiabetes Mellitus, Type 2Multiple SclerosisTriglyceridesGenetic Predisposition to DiseaseGenome-Wide Association StudyHumansInsulin ResistanceMendelian Randomization AnalysisPolymorphism, Single NucleotideBlood GlucoseTriglyceridesAutoimmune-related diseasesComorbidityInsulin resistanceMendelian randomizationT2DM

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Registered trials

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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.