Evidence map›Paper›PMID 42568911›Full record

ArticleAdvances in ophthalmology practice and research

Circulating micronutrients as protective factors for the retinal structure and vasculature: Mendelian randomization analyses.

Linxin Wei, Meiqian He, Qing Zhao, Xinyu Zhao, Youxin Chen

Abstract read
In one paragraph

Article in Advances in ophthalmology practice and research. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.

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0citing papers in PubMed
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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

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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

0 citing papers in PubMed.

No citing paper in PubMed yet.

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

5 authors.

Linxin WeiDepartment of Ophthalmology, Peking Union Medical College Hospital, Chinese Academy of Medical Sciences, Beijing, China.
Meiqian HeDepartment of Ophthalmology, Peking Union Medical College Hospital, Chinese Academy of Medical Sciences, Beijing, China.
Qing ZhaoDepartment of Ophthalmology, Peking Union Medical College Hospital, Chinese Academy of Medical Sciences, Beijing, China.
Xinyu ZhaoDepartment of Ophthalmology, Peking Union Medical College Hospital, Chinese Academy of Medical Sciences, Beijing, China.
Youxin ChenDepartment of Ophthalmology, Peking Union Medical College Hospital, Chinese Academy of Medical Sciences, Beijing, China.

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

Background: Epidemiological data and clinical trials have suggested that micronutrients may preserve retinal integrity by mitigating neurodegenerative alterations and microvascular damage. To strengthen the genetic evidence, we investigated the causal effects of various circulating micronutrients (CMs) on retinal imaging parameters using Mendelian randomization (MR) analyses. Methods: Two-sample MR analyses utilized genetic variants as instrumental variables to investigate the effects of 14 CMs on retinal structural parameters including ganglion cell inner plexiform layer (GCIPL) thickness, outer nuclear layer thickness, and retinal nerve fiber layer thickness, as well as retinal vascular parameters comprising vascular density (VD) and fractal dimension (FD). Inverse variance weighted model was employed as the primary analytical method, with 5 sensitivity methods supplemented to confirm the results' robustness. Results: Genetic predisposition to higher circulating folate levels was robustly associated with increased macular GCIPL thickness ( Conclusions: Our MR analyses evaluate the complex relationship between CMs and retinal imaging features, suggesting the protective and thus potentially therapeutic effects of folate in maintaining GCIPL thickness. Conversely, the potential associations observed for other micronutrients remain tentative and warrant cautious interpretation and further empirical validation.

Indexed as

Mendelian randomizationMicronutrientOptical coherence tomographyRetinaVitamin

Identifiers

PMID42568911
PMCPMC13448425

What Socratic holds

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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 Socratic graph.