Evidence map›Paper›PMID 39354059›Full record

ArticleScientific reports2024

An optimized instrument variable selection approach to improve causality estimation in association studies.

Jyoti Sharma, Vaishnavi Jangale, Asish Kumar Swain, Pankaj Yadav

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In one paragraph

Article in Scientific reports, 2024. 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

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2 · The registry

The trial behind it

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3 · Its place in the literature

Who cites it

4 citing papers in PubMed.

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4 · The record

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5 · Who and what money

Authors and funding

4 authors.

Jyoti SharmaDepartment of Bioscience and Bioengineering, Indian Institute of Technology Jodhpur, Rajasthan, 342030, India.
Vaishnavi JangaleDepartment of Bioscience and Bioengineering, Indian Institute of Technology Jodhpur, Rajasthan, 342030, India.
Asish Kumar SwainDepartment of Bioscience and Bioengineering, Indian Institute of Technology Jodhpur, Rajasthan, 342030, India.
Pankaj YadavDepartment of Bioscience and Bioengineering, Indian Institute of Technology Jodhpur, Rajasthan, 342030, India. pyadav@iitj.ac.in.

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

Mendelian randomization (MR) is an emerging tool for inferring causality in genetic epidemiology. MR studies suffer bias from weak genetic instrument variables (IVs) and horizontal pleiotropy. We introduce a robust integrative framework strictly adhering with STROBE-MR guidelines to improve causality inference through MR studies. We implemented novel t-statistics-based criteria to improve the reliability of selected IVs followed by various MR methods. Further, we include sensitivity analyses to remove horizontal-pleiotropy bias. For functional validation, we perform enrichment analysis of identified causal SNPs. We demonstrate effectiveness of our proposed approach on 5 different MR datasets selected from diverse populations. Our pipeline outperforms its counterpart MR analyses using default parameters on these datasets. Notably, we found a significant association between total cholesterol and coronary artery disease (P = 1.16 × 10

Indexed as

Coronary Artery DiseaseMendelian Randomization AnalysisPolymorphism, Single NucleotideCausalityGenetic PleiotropyGenetic Predisposition to DiseaseGenome-Wide Association StudyHumansCausalityHorizontal pleiotropyMendelian randomizationt-Statistics

Identifiers

PMID39354059
PMCPMC11445377

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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.