Metastasis: a current perspective
Topics included in this brief review of the metastatic process include recent (2004) progress in our understanding of tumor cell-host cell interactions and issues concerning the establishment of metastases. This includes the critical steps of intravasation and extravasation as well as establishment and evolution of micrometastases. Also summarized are details of metastasis-suppressing and metastasis-including genes and how they impact on signal transduction pathways. Finally, two proteins that play complex roles in the metastatic process, osteopontin and issue inhibitor of metastasis-1, are discussed in more depth.
Keywordstumor-host interactions metastasis-suppressing genes metastasis-inducing genes osteopontin TIMP-1
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