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Gene expression patterns related to vascular invasion and aggressive features in endometrial cancer.


ABSTRACT: The presence of tumor cells entering vascular channels is a prognostic marker for many cancers, including endometrial carcinoma. Vascular invasion is considered to be an early step in the metastatic process and important for the progress of malignant tumors. Here, we investigated the gene expression patterns related to vascular involvement in 57 primary endometrial cancers, using DNA microarray and quantitative PCR techniques. A vascular invasion signature of 18 genes was significantly associated with patient survival and clinicopathological phenotype. Vascular involvement was also related to gene sets for epithelial-mesenchymal transition, wound response, endothelial cells, and vascular endothelial growth factor (VEGF) activity. With immunohistochemical validation, both collagen 8 and matrix metalloproteinase 3 (MMP3) were associated with vascular invasion, whereas ANGPTL4 and IL-8 were associated with patient survival. Our findings indicate that vascular involvement within primary tumors is associated with gene expression profiles related to angiogenesis and epithelial-mesenchymal transition. These data could contribute to an improved understanding of potential targets for metastatic spread and may provide clinically important information for better management of endometrial cancer.

SUBMITTER: Mannelqvist M 

PROVIDER: S-EPMC3070569 | biostudies-literature | 2011 Feb

REPOSITORIES: biostudies-literature

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Gene expression patterns related to vascular invasion and aggressive features in endometrial cancer.

Mannelqvist Monica M   Stefansson Ingunn M IM   Bredholt Geir G   Hellem Bø Trond T   Oyan Anne M AM   Jonassen Inge I   Kalland Karl-Henning KH   Salvesen Helga B HB   Akslen Lars A LA  

The American journal of pathology 20110201 2


The presence of tumor cells entering vascular channels is a prognostic marker for many cancers, including endometrial carcinoma. Vascular invasion is considered to be an early step in the metastatic process and important for the progress of malignant tumors. Here, we investigated the gene expression patterns related to vascular involvement in 57 primary endometrial cancers, using DNA microarray and quantitative PCR techniques. A vascular invasion signature of 18 genes was significantly associate  ...[more]

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