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Microarray-based Identification of Individual HERV Loci Expression: Application to Biomarker Discovery in Prostate Cancer
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Prostate-specific antigen in breast disease.

Bee Hoon Poh1, Gita Jayaram, Pavai Sthaneshwar

  • 1Department of Pathology, Faculty of Medicine, University Malaya Medical Centre, Kuala Lumpur, Malaysia. pohbh73@hotmail.com

The Malaysian Journal of Pathology
|December 26, 2008
PubMed
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This preliminary study found no significant difference in tissue prostate-specific antigen (PSA) between benign and malignant breast lesions. Detectable serum PSA levels were too low for analysis, suggesting further research is needed on PSA

Area of Science:

  • Oncology
  • Biochemistry

Background:

  • Prostate-specific antigen (PSA) is a known biomarker for prostate cancer.
  • Its role in breast lesions remains largely unexplored.
  • Understanding potential biomarkers can aid in breast cancer diagnosis and prognosis.

Purpose of the Study:

  • To evaluate tissue and serum prostate-specific antigen (PSA) in breast lesions.
  • To compare tissue PSA expression in benign versus malignant breast tissues.
  • To correlate tissue PSA with established prognostic factors in breast carcinoma.

Main Methods:

  • Tissue PSA immunoreactivity was assessed in women with breast carcinoma and benign breast lesions.
  • Tissue PSA was compared with prognostic indicators (tumor size, nodal status, histology, receptor status, c-erbB-2).

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  • Serum free PSA levels were measured pre- and post-operatively to correlate with tissue PSA.

    • Main Results:

    • Tissue PSA immunoreactivity was observed in 40% of malignant and 43% of benign lesions.
    • No significant difference in tissue PSA was found between benign and malignant groups or with prognostic indicators.
    • Serum PSA levels were below detection limits in most cases, precluding statistical analysis.

    Conclusions:

    • This preliminary study found no significant association between tissue PSA expression and breast lesion type or prognostic markers.
    • Low detectable serum PSA levels limited statistical evaluation.
    • Further research is warranted to investigate the potential role of PSA in breast disease.