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Updated: Aug 23, 2025
08:40
Quantitation of Protein Expression and Co-localization Using Multiplexed Immuno-histochemical Staining and Multispectral Imaging
Published on: April 8, 2016
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Stroma biglycan expression can be a prognostic factor in prostate cancers.
Jun Furumido1,2, Nako Maishi1, Aya Yanagawa-Matsuda1
1Vascular Biology and Molecular Pathology, Hokkaido University Faculty of Dental Medicine, Sapporo, Hokkaido, Japan.
Summary
Biglycan in prostate cancer stroma is linked to disease progression. High biglycan expression, particularly in blood vessels, indicates a worse prognosis and higher risk of castration-resistant prostate cancer (CRPC).
Area of Science:
- Oncology
- Biochemistry
- Urology
Background:
- Prostate cancer progression to castration-resistant prostate cancer (CRPC) remains a clinical challenge.
- Identifying reliable prognostic biomarkers is crucial for patient management.
Purpose of the Study:
- To investigate the association between biglycan expression in prostate cancer and clinicopathological parameters.
- To determine if biglycan can serve as a prognostic factor for prostate cancer, including progression to CRPC.
Main Methods:
- Retrospective analysis of 60 prostate cancer patients who underwent robot-assisted laparoscopic radical prostatectomy.
- Assessment of biglycan expression in tumor stroma and blood vessels.
Main Results:
- Biglycan was detected in the tumor stroma, not in tumor cells.
- No significant correlation was found between biglycan expression and biochemical recurrence (p=0.5237).
- Biglycan expression was significantly associated with progression to CRPC (p=0.0182).
- Biglycan-positive blood vessels were significantly higher in patients with biochemical recurrence (15.9% vs 8.5%, p=0.0169) and CRPC progression (28.6% vs p<0.0001).
Conclusions:
- Stromal biglycan is a novel and significant prognostic factor for prostate cancer.
- Biglycan expression, especially in tumor vasculature, may predict disease progression and resistance to castration.
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