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Cancer research

Elevated Keratin 8 Expression Linked to Increased Immune-Related Pneumonitis Risk in Lung Adenocarcinoma Patients

Strategic Insights

— 1 min read

Research conducted at the Third Hospital of Shanxi Medical University has revealed a significant correlation between elevated keratin 8 (KRT8) expression and the risk of developing immune-related pneumonitis (IRP) in lung adenocarcinoma patients undergoing immunotherapy. The study, which involved 36 patients, found that each percentage increase in KRT8 expression was associated with a 32% increased risk of developing IRP.

Key Takeaways:

  • Elevated KRT8 expression in tumor tissues is significantly associated with increased IRP risk in lung adenocarcinoma patients receiving immunotherapy.
  • Multivariate analysis revealed that each percentage increase in KRT8 expression was associated with a 32% increased risk of developing IRP (OR = 1.32, 95% CI: 1.09-1.61, P = 0.005).
  • The highest tertile of KRT8 expression demonstrated a significant 14-fold increased risk of developing IRP compared to the lowest tertile.
  • The research suggests that KRT8 expression may serve as a potential biomarker for predicting IRP development, requiring validation in larger cohorts.
  • The study's findings have significant implications for the management and treatment of lung adenocarcinoma patients undergoing immunotherapy.

Statistics:

  • 36 patients participated in the study, with 12 IRP cases and 24 age- and sex-matched controls without IRP.
  • KRT8 expression was significantly higher in the IRP group compared to controls (12.9 ± 8.2% vs 5.6 ± 5.2%, adjusted P = 0.03).
  • Each percentage increase in KRT8 expression was associated with a 32% increased risk of developing IRP (P = 0.005).
  • The highest tertile of KRT8 expression demonstrated a 14-fold increased risk of developing IRP compared to the lowest tertile.

Sources:

  • Association between keratin 8 expression and immune-related pneumonitis: a case-control study in lung adenocarcinoma patients. Frontiers in Immunology, 2025,16.
  • NewsRx. Data from Third Hospital of Shanxi Medical University Advance Knowledge in Lung Cancer (Association between keratin 8 expression and immune-related pneumonitis: a case-control study in lung adenocarcinoma patients). Immunotherapy Weekly. August 13, 2025; p 668.

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