Identification and characterization of ferroptosis-related genes in therapy-resistant gastric cancer
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View abstract on PubMed
Summary
This summary is machine-generated.Identifying ferroptosis-related genes is crucial for overcoming gastric cancer therapy resistance. A new risk model using DUSP1/TNF/NOX4/LONP1 shows promise for predicting patient survival and guiding treatment.
Area Of Science
- Oncology
- Molecular Biology
- Genetics
Background
- Gastric cancer therapy resistance presents a significant clinical challenge.
- Ferroptosis, a regulated cell death pathway, is implicated in cancer progression and treatment response.
- Identifying specific ferroptosis-related genes is essential for developing novel therapeutic strategies.
Purpose Of The Study
- To identify ferroptosis-related genes associated with therapy resistance in gastric cancer.
- To explore the relationship between these genes and overall survival.
- To develop a predictive model for patient outcomes.
Main Methods
- Differential gene expression analysis in therapy-resistant vs. responsive gastric cancer.
- Identification of hub genes and enrichment analysis (oxidative stress, ROS metabolism).
- Construction and validation of a hub gene-based risk model using TCGA data; assessment of tumor immune microenvironment associations.
Main Results
- Ten ferroptosis-related hub genes were identified, enriched in oxidative stress and ROS metabolism pathways.
- A risk model (DUSP1/TNF/NOX4/LONP1) effectively predicted overall survival in gastric cancer patients.
- Specific gene expressions correlated with stromal/immune scores and immune cell infiltration, indicating immune microenvironment associations.
Conclusions
- Ferroptosis-related hub genes, particularly DUSP1, TNF, NOX4, and LONP1, are promising biomarkers for predicting gastric cancer patient survival.
- These genes may serve as potential therapeutic targets to overcome therapy resistance.
- The identified risk model offers a valuable tool for personalized treatment strategies in gastric cancer.
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