Correlation between HMGB1 expression and drug resistance and prognosis in patients with bladder urothelial carcinoma

  • 0Department of Urology, Affiliated Jinhua Hospital, Zhejiang University School of Medicine, Jinhua, China.

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Summary

This summary is machine-generated.

Low expression of High Mobility Group Box-1 (HMGB1) mRNA in bladder urothelial carcinoma patients indicates a better prognosis. HMGB1 is highly expressed in tumors, and its inhibition slows cancer cell proliferation.

Area Of Science

  • Oncology
  • Molecular Biology
  • Biochemistry

Background

  • High Mobility Group Box-1 (HMGB1) is implicated in various cancers.
  • Understanding HMGB1's role in bladder urothelial carcinoma (BUC) is crucial for prognosis.

Purpose Of The Study

  • To investigate the association between circulating HMGB1 mRNA expression and BUC patient characteristics and prognosis.
  • To evaluate the impact of HMGB1 expression on tumor growth and response to chemotherapy.

Main Methods

  • Real-time fluorescence quantitative PCR to measure circulating HMGB1 mRNA levels.
  • Western Blot to assess HMGB1 protein expression in tissues.
  • In vitro studies to evaluate HMGB1 knockdown effects on cell proliferation.
  • 3-year post-surgery follow-up for survival analysis.

Main Results

  • Circulating HMGB1 mRNA levels were not significantly different across various clinical pathological characteristics.
  • Lower HMGB1 mRNA expression correlated with longer survival in BUC patients.
  • HMGB1 was upregulated in BUC tissues, and its inhibition suppressed tumor cell proliferation.
  • Chemotherapy drugs effectively inhibited BUC cell proliferation.

Conclusions

  • HMGB1 is highly expressed in BUC and its inhibition hinders tumor cell proliferation.
  • Circulating HMGB1 mRNA levels serve as a prognostic biomarker for BUC.
  • Low HMGB1 mRNA expression is associated with improved patient survival.