Home Neoplasma 2005 Neoplasma Vol.52, p.464-468, 2005

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

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Neoplasma Vol.52, p.464-468, 2005

Title: Expression of the P65 gene in gastric cancer and in tissues with or without Helicobacter pylori infection
Author: E., BALCERCZAK ; T., JANKOWSKI ; A., BECHT ; M., BALCERCZAK ; R., JANIUK ; D., JESIONEK-KUPNICKA ; J., SZTOMPKA ; M., MIROWSKI ;

Abstract: A 65-kDa tumor-associated protein (P65) is a potential non- specific tumor marker expressed by many types of tumor cells. Our recent studies indicate that P65 gene expression is connected with poor prognosis for the patients with colorectal cancer. In the present study P65 gene expression was determined by means of RT-PCR in the group of 22 gastric cancer and adjacent normal gastric mucosa. Its presence was correlated with some parameters of clinical staging. P65 gene expression was also determined in 102 tissue antral gastric endoscopic biopsy specimens from the patients suspected of H. pylori infection. The presence of H. pylori infection was determined by urease test. We found that in the group of gastric cancers, similarly to colorectal cancer, P65 gene expression was connected with poor clinicopathological parameters as T3, lymph nodes and distant metastases. There was no dependence between P65 gene expression and H. pylori infection. However, more often P65 gene expression was detected in the group of infected men than women. There was also a statistically significant dependence between age and P65 gene expression in the group of people above 60 years old. It could be then postulated that P65 gene expression is connected with poor prognosis for the patients suffering from gastric cancer and that this expression does not depend on H. pylori infection.

Keywords: P65 gene expression, Helicobacter pylori, gastric cancer
Year: 2005, Volume: 52, Issue: Page From: 464, Page To: 468

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