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Identification of EGR2 and TGFB1 as Potential Immunoregulatory Biomarkers for Allergic Rhinitis: An Exploratory
Summary
This study identified Early growth response protein 2 (EGR2) and transforming growth factor-ß1 (TGFB1) as key biomarkers for allergic rhinitis (AR). These findings suggest potential new diagnostic tools and therapeutic targets for AR.
Area of Science:
- Immunology
- Bioinformatics
- Genetics
Background:
- Allergic rhinitis (AR) is a prevalent inflammatory nasal condition.
- AR involves immune dysregulation triggered by allergens.
- Symptoms include sneezing, nasal congestion, and itching.
Purpose of the Study:
- Identify and validate biomarkers for immune dysregulation in AR.
- Utilize bioinformatics analysis starting with chemokine-related genes.
- Develop a nomogram for estimating AR probability.
Main Methods:
- Differential expression analysis and weighted gene co-expression network analysis on AR datasets (GSE75011, GSE50223).
- Random forest analysis for feature selection.
- Immune infiltration analysis, drug prediction, molecular docking, and pilot RT-qPCR.
Main Results:
- Early growth response protein 2 (EGR2) and transforming growth factor-ß1 (TGFB1) identified as AR biomarkers.
- TGFB1 correlated with M2 macrophages and activated memory CD4+ T cells.
- EGR2 and TGFB1 were downregulated in AR samples; tretinoin predicted as a therapeutic agent.
Conclusions:
- EGR2 and TGFB1 show potential as immunoregulatory biomarkers for AR diagnosis.
- These biomarkers may offer insights into AR pathogenesis.
- Findings suggest potential avenues for AR treatment strategies.
