PMID: 16619546Apr 20, 2006Paper

Reduced galectin-3 expression is an indicator of unfavorable prognosis in gastric cancer

Anticancer Research
Kohji OkadaHiroyuki Kuwano

Abstract

Galectin-3 (gal-3) participates in a variety of biological events, including cell adhesion, proliferation, differentiation and apoptosis. The aim of this study was to determine the relationship of gal-3 expression with clinicopathological findings and prognosis in patients with gastric cancer. Gal-3 and Ki-67 expressions were assessed by immunohistochemistry in 115 patients with gastric cancer. PCR-single strand conformation polymorphism (SSCP)-sequence analysis and the levels of gal-3 mRNA were also examined. The present study demonstrated that gal-3 expression was correlated with nodal status, lymphatic inivasion, pathological stage and histological parameters. On the other hand, gal-3 expression did not correlate with the expression of Ki-67. Reduced expression of gal-3 was significantly associated with a poor prognosis and multivariate analysis showed that gal-3 expression was an independent prognostic factor. On PCR-SSCP-sequence analysis, 2 single nucleotide polymorphisms (SNPs) were detected in the gal-3 gene, but none showed mutations. Reduced gal-3 expression was associated with lymph node metastasis, advanced stage and tumor differentiation in gastric cancer. Gal-3 expression could be a useful prognostic factor in gas...Continue Reading

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