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[Lectin-binding sugar chain in bladder tumors].

H Sumiya1, N Sato, S Isaka

  • 1Department of Urology, School of Medicine, Chiba University.

Hinyokika Kiyo. Acta Urologica Japonica
|January 1, 1988
PubMed
Summary
This summary is machine-generated.

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Lectins like Dolichos biflorus agglutinin (DBA) and wheat germ agglutinin (WGA) show potential in predicting bladder cancer recurrence. Negative DBA or WGA staining, and positive Concanavalin A (ConA) staining, indicate increased malignant potential.

Area of Science:

  • Biochemistry
  • Oncology
  • Pathology

Context:

  • Bladder cancer exhibits variable recurrence and progression rates.
  • Accurate prediction of tumor behavior is crucial for effective patient management.
  • Biomarkers are needed to assess bladder tumor malignancy potential.

Purpose:

  • To investigate lectin binding patterns in bladder tumors.
  • To correlate lectin binding with tumor grade, stage, and recurrence.
  • To identify lectin markers indicative of malignant potential.

Summary:

  • This study analyzed lectin binding patterns in 40 superficial and 10 invasive bladder tumors using biotin-labeled lectins (PNA, DBA, UEA-I, BS-I, ConA, WGA) and the avidin-biotin-peroxidase complex (ABC) method.
  • DBA or WGA negative staining, and ConA negative staining, correlated with no or superficial recurrence.

Related Experiment Videos

  • Low-grade and low-stage tumors showed DBA or WGA positivity, while high-grade and high-stage tumors exhibited ConA positivity.

    • Impact:

    • Negative WGA or DBA staining, or positive ConA staining, may serve as indicators of increased bladder cancer malignancy.
    • These findings could contribute to improved prognostic tools for bladder tumors.
    • Further research may validate these lectins as biomarkers for bladder cancer progression.