Home Neoplasma 2003 Neoplasma Vol.50, p.262-265, 2003

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Founded: 1954
ISSN 0028-2685
ISSN 1338-4317 (online)

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Neoplasma Vol.50, p.262-265, 2003

Title: Effect of tumor stage and nephrectomy on CD62P expression and sP-selectin concentration in renal cancer.

Abstract: The CD62P receptor and its soluble form sP-selectin is a marker of platelet (PLT) activation, and constitutes a ligand for CD24 antigen of neoplastic cells and tumor stroma components. The aim of the study was to evaluate the relationship dynamics of the percentage of CD62P+ platelets, the level of the receptor expression and the concentration of soluble form of sP-selectin in renal cancer. Examinations were performed before and after nephrectomy in patients with renal cancer (group A - 25, T2N0M0; group B - 27, T2N1-2M0) and in control group (C - 24 subjects). The two groups A and B showed an increased subpopulation of CD62P+ platelets (p<0.01) and elevated sP-selectin concentration (p<0.001) before and after nephrectomy. Although following nephrectomy sP-selectin concentration decreased markedly, it was still higher 3 months after the procedure compared to control group (p<0.05). Following nephrectomy, however, no statistically significant differences were found in the % of CD62P+ platelets and the receptor expression. Greater dynamics of changes before and after nephrectomy in the percentage of CD62P+ platelets (B1:B2 p<0.05) and the receptor expression (B1:B3 p<0.001) was observed in patients with local lymph node involvement (group B) while sP-selectin concentration was similar in both groups. Nephrectomy did not normalize intravascular activation of PLT and TNM had no significant effect on the expression of CD62P and concentration of sP-selectin.

Year: 2003, Volume: 50, Issue: Page From: 262, Page To: 265

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