Distinct mechanisms of tumor invasion and metastasis |
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Authors: | Yilmaz Mahmut Christofori Gerhard Lehembre François |
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Affiliation: | Department of Clinical-Biological Sciences, Center for Biomedicine, University of Basel, Switzerland. |
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Abstract: | Most cancer deaths are caused by metastasis rather than the primary tumor. Cancer cells invade normal tissue as epithelial sheets or single cells by inducing expression of programs characteristic of developmental processes. Depending on their tissue of origin, cancer cells subsequently spread to distinct target organs where they seed secondary tumors (metastasis). Recent experimental evidence suggests that metastasis requires changes not only in cancer cells but also in the tumor microenvironment and in the metastatic target site. For example, a premetastatic niche is formed in target organs that attract cancer cells. Understanding the distinct mechanisms used by cancer cells to form metastasis will enable better patient evaluation and the design of innovative therapeutic approaches. |
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