NR0B2 Is a Key Factor for Gastric Diseases: A GEO Database Analysis Combined with Drug-Target Mendelian Randomization

Overview

Journal Genes (Basel)

Publisher MDPI

Date 2024 Sep 28

PMID 39336801

Authors

Zhengwen Li

Lijia Xu

Dongliang Huang

Chujie Li

Guido R M M Haenen

Ming Zhang

Affiliations

Soon will be listed here.

Abstract

Small Heterodimer Partner (SHP; ) is an orphan receptor that acts as a transcriptional regulator, controlling various metabolic processes, and is a potential therapeutic target for cancer. Examining the correlation between the expression of and the risk of gastric diseases could open a new path for treatment and drug development. The Gene Expression Omnibus (GEO) database was utilized to explore gene expression profiles in gastric diseases. Co-expressed genes were identified through Weighted Correlation Network Analysis (WGCNA), and GO enrichment was performed to identify potential pathways. The Xcell method was employed to analyze immune infiltration relationships. To determine the potential causal relationship between expression and gastric diseases, we identified six single-nucleotide polymorphisms (SNPs) as a proxy for expression located within 100 kilobases of and which are associated with triglyceride homeostasis and performed drug-target Mendelian randomization (MR). Bioinformatics analysis revealed that expression levels were reduced in gastric cancer and increased in gastritis. GO analysis and Gene Set Enrichment Analysis (GSEA) showed that is widely involved in oxidation-related processes. Immune infiltration analyses found that was associated with Treg. Prognostic analyses showed that a low expression of is a risk factor for the poor prognoses of gastric cancer. MR analyses revealed that expression is associated with a risk of gastric diseases ( vs. gastric cancer, = 0.006, OR: 0.073, 95%CI: 0.011-0.478; vs. gastric ulcer, = 0.03, OR: 0.991, 95%CI: 0.984-0.999; vs. other gastritis, = 0.006, OR:3.82, 95%CI: 1.468-9.942). Our study confirms the causal relationship between the expression of and the risk of gastric diseases, and highlights its role in the progression of gastric cancer. The present study opens new avenues for exploring the potential of drugs that either activate or inhibit the receptor in the treatment of gastric diseases.

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