alexa Correlation between Claudins Expression and Prognostic Factors in Prostate Cancer.
Pathology

Pathology

Diagnostic Pathology: Open Access

Author(s): Seo KW, Kwon YK, Kim BH, Kim CI, Chang HS,

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Abstract PURPOSE: The purpose of this study was to evaluate the correlation between the expression of claudins and prognostic factors in patients with prostate cancer. MATERIALS AND METHODS: The subjects of this study were 48 patients who had undergone surgery for prostate cancer. The Gleason score (6 or lower, 7 or higher), prostate-specific antigen (PSA) level, T stage, biochemical recurrence, local recurrence, and distant metastasis were compared according to the expression of claudin-1 and claudin-5 in prostate cancer. RESULTS: In the group with a low expression of claudin-1, the Gleason score was 7 points or higher in 18 cases (82\%) and 6 points or lower in 4 cases (18\%). In the group with a high expression of claudin-1, the Gleason score was 7 points or higher in 13 cases (50\%) and 6 points or lower in 13 cases (50\%). Thus, the low-expression group had more cases with a Gleason score of 7 or higher (p=0.022). The group with a low expression of claudin-5 also had more cases with a Gleason score of 7 or higher (p=0.011). The mean PSA values in the groups with a low and high expression of claudin-1 were 9.6 ng/ml and 5.6 ng/ml, respectively (p=0.007). A low expression of claudin-5 was also associated with a high PSA value (p=0.002). There was no statistical difference in the expression of claudin-1 and claudin-5 by T stage, biochemical recurrence, local recurrence, or distant metastasis. CONCLUSIONS: The low expression of claudin-1, claudin-5 was associated with a Gleason score of 7 or higher and a high PSA value in prostate cancer.
This article was published in Korean J Urol and referenced in Diagnostic Pathology: Open Access

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