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ORIGINAL ARTICLE: CLINICAL TRANSLATIONAL THERAPEUTICS

Thrombin Expression in Prostate: A Novel Finding

, , , , , & show all
Pages 62-67 | Published online: 17 Dec 2010
 

Abstract

Introduction: A variable repertoire of coagulation protein expression is observed in different cancers. We evaluated expression of thrombin in prostate tissue. Methods: Detection of thrombin was performed using quantitative real-time PCR in fresh tissue and in situ hybridization (ISH) in archival prostate tissue and by immunohistochemistry of prostate tissue microarrays. Results: (Pro)thrombin mRNA expression was detected in cancer tissue and localized to prostatic epithelium and stroma by ISH. Thrombin protein was detected in stroma of benign and malignant epithelium (p <.05). Conclusions: Prostate tissue is a rich reservoir of thrombin. This may have potential for developing antithrombin-based cancer therapy.

ACKNOWLEDGMENTS

The study was supported by Departmental funds from Medicine and Urology, University of Rochester, NCI grant no. CA091956 (Prostate SPORE Awarded to Mayo Clinic), and Funding source, CA123199 (WAR).

The authors are grateful to Professor Charles Francis, MD, Director, Coagulation Lab, University of Rochester, NY, for editorial comments and suggestion with manuscript preparation.

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