4.7 Article

Necroptosis Related Genes Predict Prognosis and Therapeutic Potential in Gastric Cancer

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BIOMOLECULES
卷 13, 期 1, 页码 -

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MDPI
DOI: 10.3390/biom13010101

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gastric cancer; necroptosis; immune cell infiltration; immune microenvironment; glycolysis; drug response

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The high-risk group of gastric cancer patients showed higher clinical stage or grade and worse prognosis compared to the low-risk group. The low-risk group had higher levels of immunity and immune cell infiltration. Necroptosis was triggered by the TNF pathway in myeloid cells and the glycolysis pathway was altered. In vitro experiments demonstrated that necroptosis-related genes modulated cell function, including proliferation and migration, and the low-risk subgroup showed higher sensitivity to potential drugs. These findings contribute to a better understanding and improvement of treatment potential and prognosis in gastric cancer patients.
The clinical significance of necroptosis in gastric cancer (GC) has yet to be fully elucidated. The purpose of our study was to identify a necroptosis-relevant gene and to establish a prediction model to estimate the prognosis and therapeutic potential in GC. Here, we explored the expression profile of 76 necroptosis-related genes in TCGA-STAD patients. A six-gene risk score prediction model was established via regression analysis of the least absolute shrinkage and selection operator (LASSO) and validated in a separate cohort. Patients were separated into low- or high-risk groups according to the median risk score. We then compared and analyzed the biological process characteristics of two risk groups. Additionally, cell-to-cell communications and metabolic activity were analyzed in a single-cell solution. The in vitro experiments were conducted to explore the biological functions and drug sensitivity of necroptosis-related genes in gastric cancer. Our results identified that compared with the low-risk group, the high-risk group was associated with a higher clinical stage or grade and a worse prognosis. In addition, the low-risk group had higher levels of immunity and immune cell infiltration. Necroptosis was triggered by the TNF pathway in myeloid cells and the glycolysis pathway was altered. Necroptosis-related genes modulated the cell function, including proliferation and migration in vitro. Furthermore, the potential drugs' sensitivity was higher in the low-risk subgroup. These findings could facilitate a better understanding and improve the treatment potential and prognosis of GC patients.

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