Unknown,Transcriptomics,Genomics,Proteomics

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Functional characterization of E- and P-cadherin in invasive breast cancer cells


ABSTRACT: Alterations in the cadherin-catenin adhesion complexes are involved in tumor initiation, progression and metastasis. However, the functional implication of distinct cadherin types in breast cancer biology is still poorly understood. Methods: To compare the functional role of E-cadherin and P-cadherin in invasive breast cancer, we stably transfected these molecules into the MDA-MB-231 cell line, and investigated their effects on motility, invasion and gene expression regulation. Expression of either E- and P-cadherin significantly increased cell aggregation and induced a switch from fibroblastic to epithelial morphology. Although expression of these cadherins did not completely reverse the mesenchymal phenotype of MDA-MB-231 cells, both E- and P-cadherin decreased fibroblast-like migration and invasion through extracellular matrix in a similar way. Moreover, microarray gene expression analysis of MDA-MB-231 cells after expression of E- and P-cadherins revealed that these molecules can activate signaling pathways leading to significant changes in gene expression. Although the expression patterns induced by E- and P-cadherin showed more similarities than differences, 40 genes were differentially modified by the expression of either cadherin type. Microarray gene expression analysis of MDA-MB-231 cells after expression of E- and P-cadherins using different clones for each conditions to reveal that these molecules can activate signaling pathways leading to significant changes in gene expression

ORGANISM(S): Homo sapiens

SUBMITTER: Gema Moreno-Bueno 

PROVIDER: E-GEOD-13362 | biostudies-arrayexpress |

REPOSITORIES: biostudies-arrayexpress

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