Novel Gene Signature Predicts Prognosis of Gastric Cancer Patients

Researchers at the First Affiliated Hospital of Nanchang University in Nanchang, People's Republic of China, have discovered a novel gene signature based on RNA-binding protein (RBP) gene pairs to predict the prognosis of gastric cancer patients. This breakthrough finding has significant implications for cancer gene therapy and may provide potential targets for clinical gene therapy. The research team, led by Zhi-kun Ning, conducted an extensive analysis of genetic and clinical information from the TCGA and GEO databases to identify differentially expressed genes (DEGs) and RBP genes. The study identified six hub RBP gene pairs that were associated with the prognosis of gastric cancer patients.

Key Takeaways:

  • The study identified a novel gene signature based on RBP gene pairs to predict the prognosis of gastric cancer patients.
  • The six hub RBP gene pairs identified were COL5A2/FEN1, POP1/GFRA1, EXO1/PLEKHS1, SLC39A10/CHI3L1, MMP7/PPP1R1B, and SLC5A6/BYSL.
  • The gene signature was found to be a reliable predictor of overall survival (OS) in gastric cancer patients, with patients in the low-risk group having higher OS than those in the high-risk group.
  • The study provides new insights into the role of RBP genes in the progression and prognosis of gastric cancer.
  • The findings have significant implications for cancer gene therapy and may provide potential targets for clinical gene therapy.

Statistics:

  • The study analyzed genetic and clinical information from 850 gastric cancer samples in the TCGA database.
  • The RBP genes were identified from previous studies and employed to screen out differentially expressed RBP genes (DE-RBP genes).
  • The six hub RBP gene pairs were identified through a combination of univariate Cox regression analysis and random forest.
  • The optimal cut-off value was used to divide patients into high-risk and low-risk groups, with 70% accuracy.
  • The overall survival (OS) of patients in the low-risk group was higher than that of patients in the high-risk group (P < 0.001).

Sources:

  • Ning, Z.-k., Tian, H.-k., Liu, J., Hu, C.-g., Liu, Z.-t., Li, H., & Zong, Z. (2023). Analysis and application of RNA binding protein gene pairs to predict the prognosis of gastric cancer. Heliyon, 9(7), e18242. doi: 10.1016/j.heliyon.2023.e18242 (Heliyon - http://www.heliyon.com)
  • NewsRx. New Cancer Gene Therapy Research Reported from First Affiliated Hospital of Nanchang University (Analysis and application of RNA binding protein gene pairs to predict the prognosis of gastric cancer). Cancer Weekly. August 8, 2023; p 27.