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Related Experiment Videos

[Tissue microarray--an infrastructure for prostate cancer outcome research].

Amnon Zisman1, Lea Sofino Rozin, Kobi Stav

  • 1Department of Urology, Assaf Harofeh Medical Center, Zerifin, Israel. Zisman5@netvision.net.il

Harefuah
|October 13, 2005
PubMed
Summary
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A large tissue microarray (TMA) was created from prostate cancer specimens, linked to clinical data. This resource enables future prostate cancer outcome studies using molecular staining techniques.

Area of Science:

  • Oncology
  • Pathology
  • Biotechnology

Context:

  • Prostate cancer research requires extensive sample collections for molecular analysis.
  • Tissue microarrays (TMAs) are valuable tools for high-throughput molecular profiling of clinical specimens.
  • Standardized methods for TMA construction are crucial for reliable research outcomes.

Purpose:

  • To construct a large-scale tissue microarray (TMA) from radical prostatectomy specimens.
  • To create a comprehensive database linking TMA cores with detailed clinical and pathological data.
  • To facilitate prostate cancer outcome studies using immunohistochemical and molecular staining.

Summary:

  • A tissue microarray (TMA) was successfully constructed from 264 out of 405 (65% yield) radical prostatectomy specimens.

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  • Two TMA copies, each with 4 blocks and approximately 2000 tissue cores, were prepared.
  • The TMA includes sites of interest for prostate cancer (CaP) local invasiveness and metastasis, alongside normal prostate tissue and controls.

    • Impact:

    • This large-scale TMA, coupled with a detailed clinical database, provides a unique resource for prostate cancer research.
    • Enables future studies on prostate cancer outcomes, invasiveness, and metastasis through molecular analyses.
    • Facilitates high-throughput screening and discovery of biomarkers for prostate cancer prognosis and treatment.