Evidence map›Paper›PMID 38663933›Full record

ArticleAging2024

New insights from bidirectional Mendelian randomization: causal relationships between telomere length and mitochondrial DNA copy number in aging biomarkers.

Xinyu Yan, Peixuan Yang, Yani Li, Ting Liu, Yawen Zha, Ting Wang, Jingjing Zhang, Zhijun Feng, Minying Li

Abstract read
In one paragraph

Article in Aging, 2024. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 20 papers.

0numbers the graph read from it
0cells of the map it votes in
20citing 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

20 citing papers in PubMed.

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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

9 authors.

Xinyu YanZhongshan City People’s Hospital, Xinxiang Medical University, Xinxiang 453003, Henan, China.
Peixuan YangZhongshan City People’s Hospital, Xinxiang Medical University, Xinxiang 453003, Henan, China.
Yani LiDepartment of Radiation Oncology, Zhongshan City People’s Hospital, Zhongshan 528403, Guangdong, China.
Ting LiuDepartment of Radiation Oncology, Zhongshan City People’s Hospital, Zhongshan 528403, Guangdong, China.
Yawen ZhaDepartment of Radiation Oncology, Zhongshan City People’s Hospital, Zhongshan 528403, Guangdong, China.
Ting WangDepartment of Radiation Oncology, Zhongshan City People’s Hospital, Zhongshan 528403, Guangdong, China.
Jingjing ZhangDepartment of Radiation Oncology, Zhongshan City People’s Hospital, Zhongshan 528403, Guangdong, China.
Zhijun FengDepartment of Radiation Oncology, Jiangmen Central Hospital, Jiangmen 529000, Guangdong, China.
Minying LiDepartment of Radiation Oncology, Zhongshan City People’s Hospital, Zhongshan 528403, Guangdong, China.

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

Mitochondrial DNA (mtDNA) copy number and telomere length (TL) are dynamic factors that have been linked to the aging process in organisms. However, the causal relationship between these variables remains uncertain. In this research, instrumental variables (IVs) related to mtDNA copy number and TL were obtained from publicly available genome-wide association studies (GWAS). Through bidirectional Mendelian randomization (MR) analysis, we examined the potential causal relationship between these factors. The forward analysis, with mtDNA copy number as the exposure and TL as the outcome, did not reveal a significant effect (

Indexed as

AgingDNA Copy Number VariationsDNA, MitochondrialGenome-Wide Association StudyMendelian Randomization AnalysisTelomereBiomarkersHumansTelomere HomeostasisTelomere ShorteningBiomarkersDNA, Mitochondrialbidirectional two-sample Mendelian randomizationcausal relationshipmitochondrial DNA copy numbertelomere length

Identifiers

PMID38663933
PMCPMC11087129

What OpenQuestion holds

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Read underepoch 390

Registered trials

None linked

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.