Evidence mapPaperPMID 39003475Full record

ArticleBMC oral health2024

Causal effects of denture wearing on epigenetic age acceleration and the mediating pathways: a mendelian randomization study.

Xin Chen, Zheng Cheng, Junyu Xu, Qianyi Wang, Zhibai Zhao, Qianglin Jiang

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Article in BMC oral health, 2024. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 1 paper.

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1citing papers in PubMed
field-weighted citation impact
1 · What the graph read from it

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2 · The registry

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3 · Its place in the literature

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1 citing paper in PubMed.

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4 · The record

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5 · Who and what money

Authors and funding

6 authors.

Xin ChenDepartment of Oral and Maxillofacial Surgery, Jiangyin People's Hospital Affiliated to Nantong University, No.163, Shoushan Road, Jiangyin, 214400, Jiangsu Province, China.
Zheng ChengDepartment of Oral and Maxillofacial Surgery, Jiangyin People's Hospital Affiliated to Nantong University, No.163, Shoushan Road, Jiangyin, 214400, Jiangsu Province, China.
Junyu XuDepartment of Oral and Maxillofacial Surgery, Jiangyin People's Hospital Affiliated to Nantong University, No.163, Shoushan Road, Jiangyin, 214400, Jiangsu Province, China.
Qianyi WangDepartment of Cardiology, Jiangyin People's Hospital Affiliated to Nantong University, No.163, Shoushan Road, Jiangyin, 214400, Jiangsu Province, China. wqy146265@163.com.
Zhibai ZhaoDepartment of Oral Mucosal Diseases, The Affiliated Stomatological Hospital of Nanjing Medical University, Nanjing, China.
Qianglin JiangDepartment of Oral and Maxillofacial Surgery, Jiangyin People's Hospital Affiliated to Nantong University, No.163, Shoushan Road, Jiangyin, 214400, Jiangsu Province, China. dentist_jiangql@163.com.

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

backgroundThe epigenetic-age acceleration (EAA) represents the difference between chronological age and epigenetic age, reflecting accelerated biological aging. Observational studies suggested that oral disorders may impact DNA methylation patterns and aging, but their causal relationship remains largely unexplored. This study aimed to investigate potential causal associations between dental traits and EAA, as well as to identify possible mediators.

methodsUsing summary statistics of genome-wide association studies of predominantly European ancestry, we conducted univariable and multivariable Mendelian randomization (MR) to estimate the overall and independent effects of ten dental traits (dentures, bleeding gums, painful gums, loose teeth, toothache, ulcers, periodontitis, number of teeth, and two measures of caries) on four EAA subtypes (GrimAge acceleration [GrimAA], PhenoAge acceleration [PhenoAA], HannumAge acceleration [HannumAA] and intrinsic EAA [IEAA]), and used two-step Mendelian randomization to evaluate twelve potential mediators of the associations. Comprehensive sensitivity analyses were used to verity the robustness, heterogeneity, and pleiotropy.

resultsUnivariable inverse variance weighted MR analyses revealed a causal effect of dentures on greater GrimAA (β: 2.47, 95% CI: 0.93-4.01, p = 0.002), PhenoAA (β: 3.00, 95% CI: 1.15-4.85, p = 0.001), and HannumAA (β: 1.96, 95% CI: 0.58-3.33, p = 0.005). In multivariable MR, the associations remained significant after adjusting for periodontitis, caries, number of teeth and bleeding gums. Three out of 12 aging risk factors were identified as mediators of the association between dentures and EAA, including body mass index, body fat percentage, and waist circumference. No evidence for reverse causality and pleiotropy were detected (p > 0.05).

conclusionsOur findings supported the causal effects of genetic liability for denture wearing on epigenetic aging, with partial mediation by obesity. More attention should be paid to the obesity-monitoring and management for slowing EAA among denture wearers.

Indexed as

AgingDenturesEpigenesis, GeneticGenome-Wide Association StudyMendelian Randomization AnalysisHumansDenturesEpigenetic age accelerationMediation analysisMendelian randomization analysisOral health

Identifiers

PMID39003475
PMCPMC11246574

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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 Socratic graph.