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http://purl.uniprot.org/citations/21912471http://www.w3.org/1999/02/22-rdf-syntax-ns#typehttp://purl.uniprot.org/core/Journal_Citation
http://purl.uniprot.org/citations/21912471http://www.w3.org/2000/01/rdf-schema#comment"

Aim

To investigate the expression levels of lymphatic vessel endothelial hyaluronan receptor-1 (LYVE-1), vascular endothelial growth factor receptor-3 (VEGFR-3) and CD44 genes and the relationship between their levels and clinicopathological parameters in gastric cancer.

Methods

Tissue samples were obtained from 33 patients (8 females) with gastric cancer. mRNA levels of LYVE-1, VEGFR-3 and CD44 in normal and tumor tissues were quantitatively measured using real time polymerase chain reaction. The results were correlated with lymph node metastasis, histological type and differentiation of the tumor, T-stage, and presence of vascular, perineural and lymphatic invasions. The distribution of molecules in the tissue was evaluated using immunohistochemistry.

Results

LYVE-1, CD44 and VEGFR-3 gene expression levels were significantly higher in gastric cancer than in normal tissue. While there was no correlation between gene expressions and clinicopathologic features such as histologic type, differentiation and stage, gene expression levels were found to be increased in conjunction with positive lymph node/total lymph node ratio and the presence of perineural invasion. A significant correlation was also found between LYVE-1 and CD44 over-expressions and perineural invasion and lymph node positivity in gastric cancers. When the distribution of LYVE-1 antibody-stained lymphatic vessels in tissue was evaluated, lymphatic vessels were located intra-tumorally in 13% and peri-tumorally in 27% of the patients. Moreover, lymph node metastases were also positive in all patients with LYVE-1-staining.

Conclusion

LYVE-1, VEGFR-3 and CD44 all play an important role in lymphangiogenesis, invasion and metastasis. LYVE-1 is a perfectly reliable lymphatic vessel marker and useful for immunohistochemistry."xsd:string
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http://purl.uniprot.org/citations/21912471http://purl.uniprot.org/core/author"Moran M."xsd:string
http://purl.uniprot.org/citations/21912471http://purl.uniprot.org/core/author"Ozdemir E."xsd:string
http://purl.uniprot.org/citations/21912471http://purl.uniprot.org/core/author"Guc D."xsd:string
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http://purl.uniprot.org/citations/21912471http://purl.uniprot.org/core/author"Ozmen F."xsd:string
http://purl.uniprot.org/citations/21912471http://purl.uniprot.org/core/author"Ozmen M.M."xsd:string
http://purl.uniprot.org/citations/21912471http://purl.uniprot.org/core/author"Karaagaoglu E."xsd:string
http://purl.uniprot.org/citations/21912471http://purl.uniprot.org/core/date"2011"xsd:gYear
http://purl.uniprot.org/citations/21912471http://purl.uniprot.org/core/name"World J Gastroenterol"xsd:string
http://purl.uniprot.org/citations/21912471http://purl.uniprot.org/core/pages"3220-3228"xsd:string
http://purl.uniprot.org/citations/21912471http://purl.uniprot.org/core/title"Relationship between LYVE-1, VEGFR-3 and CD44 gene expressions and lymphatic metastasis in gastric cancer."xsd:string
http://purl.uniprot.org/citations/21912471http://purl.uniprot.org/core/volume"17"xsd:string
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