Evidence mapPaperPMID 41803193Full record

ArticleScientific reports2026

Integrated multi-omics analysis combined with clinical validation reveals that HLA-DRB5 and ODAPH are causal risk genes for keratoconus.

Fanru Zhao, Boyue Zhao, Ruiqi Cao, Wenxin Zhao, Ming Zhang, Yishan Sun, Xinyi Zhao, Yufan Li, Yijie Hong, YuFei Dang and 2 more

Abstract read
In one paragraph

Article in Scientific reports, 2026. 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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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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4 · The record

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5 · Who and what money

Authors and funding

12 authors.

Fanru Zhao *Department of Ophthalmology, The First Affiliated Hospital of Xi'an Jiaotong University, 277 West Yanta Road, Xi'an, 710061, Shaanxi, China.
Boyue Zhao *Collaborative Innovation Center of Endemic Disease and Health Promotion for Silk Road Region, School of Public Health, Health Science Center, Xi'an Jiaotong University, Xi'an, 710061, China.
Ruiqi CaoDepartment of Hepatobiliary Surgery, The First Affiliated Hospital of Xi'an Jiaotong University, Xi'an, 710061, Shaanxi, China.
Wenxin ZhaoDepartment of Ophthalmology, The First Affiliated Hospital of Xi'an Jiaotong University, 277 West Yanta Road, Xi'an, 710061, Shaanxi, China.
Ming ZhangDepartment of Ophthalmology, The First Affiliated Hospital of Xi'an Jiaotong University, 277 West Yanta Road, Xi'an, 710061, Shaanxi, China.
Yishan SunDepartment of Ophthalmology, The First Affiliated Hospital of Xi'an Jiaotong University, 277 West Yanta Road, Xi'an, 710061, Shaanxi, China.
Xinyi ZhaoDepartment of Ophthalmology, The First Affiliated Hospital of Xi'an Jiaotong University, 277 West Yanta Road, Xi'an, 710061, Shaanxi, China.
Yufan LiDepartment of Ophthalmology, The First Affiliated Hospital of Xi'an Jiaotong University, 277 West Yanta Road, Xi'an, 710061, Shaanxi, China.
Yijie HongDepartment of Ophthalmology, The First Affiliated Hospital of Xi'an Jiaotong University, 277 West Yanta Road, Xi'an, 710061, Shaanxi, China.
YuFei DangDepartment of Ophthalmology, The First Affiliated Hospital of Xi'an Jiaotong University, 277 West Yanta Road, Xi'an, 710061, Shaanxi, China.
Xin WangDepartment of Ophthalmology, The First Affiliated Hospital of Xi'an Jiaotong University, 277 West Yanta Road, Xi'an, 710061, Shaanxi, China.
Li LiDepartment of Ophthalmology, The First Affiliated Hospital of Xi'an Jiaotong University, 277 West Yanta Road, Xi'an, 710061, Shaanxi, China. eyelilixjtu@mail.xjtu.edu.cn.

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

This study aimed to elucidate the genetic determinants of keratoconus (KC) using a multi-omics approach, with a focus on identifying key causal genes to address gaps in understanding the disease’s pathological mechanisms. An integrated multi-omics study combining bioinformatics analysis of transcriptome data with clinical validation. This approach does not include a traditional control group but utilizes public databases and patient samples to assess genetic associations. Five KC patients from the First Affiliated Hospital of Xi’an Jiaotong University provided corneal tissues and blood samples. The control group consisted of five age-matched donors who provided excess corneal tissue from transplantation surgeries. The study involved analyzing two KC transcriptome datasets from GEO to identify differentially expressed genes (DEGs). This was followed by Gene Ontology (GO) and Kyoto Encyclopedia of Genes and Genomes (KEGG) enrichment analyses, summary-data Mendelian randomization (SMR), two-sample Mendelian randomization (TSMR), Bayesian colocalization, and clinical validation through immunohistochemical staining and PCR assays. Primary measures included gene expression levels, causal association statistics (e.g., posterior probability PP4, SMR p-value, OR), and RNA and protein expression of key genes (HLA-DRB5, ODAPH, MMP-9) assessed through molecular assays. The analysis identified 2,884 DEGs enriched in cell adhesion, immune response, and the TNF and IL-17 signaling pathways. Twenty-four genes demonstrated strong causal associations with KC (PP4 > 0.8), with HLA-DRB5 (PP4 = 0.844, SMR p = 0.001, OR = 1.768) and ODAPH (PP4 = 1.0, SMR p = 0.013, OR = 202.851) showing the highest confidence. Clinical validation confirmed significantly elevated expression of HLA-DRB5, ODAPH, and MMP-9 in the KC cornea and whole blood. HLA-DRB5 and ODAPH were identified as key causal risk genes for KC, bridging critical gaps in genetic knowledge and providing a foundation for early diagnostic biomarkers and etiology-targeted therapies, such as Meplazumab, an HLA-DRB5 inhibitor.

Indexed as

Genetic Predisposition to DiseaseHLA-DRB5 ChainsKeratoconusAdultFemaleGene Expression ProfilingHumansMaleMatrix Metalloproteinase 9MultiomicsTranscriptomeHLA-DRB5 ChainsMatrix Metalloproteinase 9HLA-DRB5KeratoconusMendelian randomizationMulti-omicsODAPH

Identifiers

PMID41803193
PMCPMC13179358

What Socratic holds

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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.