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Related Experiment Videos

CD10 expression in urothelial bladder carcinomas: a pilot study.

Sema Bircan1, Ozden Candir, Nilgun Kapucuoglu

  • 1Department of Pathology, Suleyman Demirel University School of Medicine, Isparta, Turkey. bircans2000@yahoo.com

Urologia Internationalis
|August 5, 2006
PubMed
Summary

CD10 expression is reduced in invasive bladder cancers, correlating inversely with pathological stage. This suggests CD10 plays a role in urothelial carcinoma progression and invasion.

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Area of Science:

  • Oncology
  • Urology
  • Immunohistochemistry

Background:

  • CD10 is a metalloproteinase expressed in various tissues.
  • Its role in urothelial bladder carcinoma (UBC) progression is not fully understood.
  • Investigating CD10 expression can reveal insights into UBC pathogenesis.

Purpose of the Study:

  • To examine CD10 expression in normal bladder tissue and UBC.
  • To determine the association between CD10 expression and histopathological variables in UBC.

Main Methods:

  • Analyzed 79 urothelial bladder carcinomas using immunohistochemistry for CD10.
  • Assessed histopathological variables including WHO grading and TNM staging.
  • Compared CD10 expression in tumoral versus nontumoral tissues.

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Main Results:

  • CD10 was expressed in 43% of UBCs and 9.1% of normal tissues.
  • A significant inverse correlation was found between CD10 immunoreactivity and UBC pathological stage (p=0.036).
  • CD10 expression was significantly lower in advanced (pT2-3) compared to non-invasive (pTa) tumors (p=0.034).

Conclusions:

  • CD10 expression is higher in non-invasive UBCs than invasive ones.
  • Downregulation of CD10 correlates with UBC progression and may facilitate muscle invasion.
  • CD10 is a potential biomarker for UBC invasiveness.