Invasion promoter versus invasion suppressor molecules: the paradigm of E-cadherin |
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Authors: | Marc Mareel Marc Bracke Frans Van Roy |
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Affiliation: | (1) Department of Radiotherapy, Nuclear Medicine and Experimental Cancerology, University Hospital, De Pintelaan 185, B-9000 Ghent, Belgium;(2) Laboratory of Molecular Cell Biology, Department of Molecular Genetics, University of Ghent, K.L., Ledeganckstraat 35, B-9000 Ghent, Belgium |
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Abstract: | Conclusion Metastasis determines cancer malignancy. Neoplastic cells metastasize through a multistep process of invasion. At each step, these cells create a dynamic micro-ecosystem in which the elements of the host are considered to paricipate actively invasion. Within such micro-ecosystems, invasion is believed to be governed by a balance between the activation of promoter (i-minus) and suppressor (i-plus) genes. Products of such genes regulate the expression of the invasive (I-plus) and the nonivasive (I-minus) phenotypes. Experimentsin vitro andin vivo, as well as observations on human cancers have put forward the cell-cell adhesion molecule E-cadherin (L-CAM; uvomorulin) as a regulator of epithelial organization and an invasion suppressor. |
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Keywords: | invasion metastasis cell adhesion E-cadherin L-CAM uvomorulin IGF-I |
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