Abstract
The interaction between tumor and host cells determines to a large extent the outcome, namely tumor growth and progression toward metastases or tumor arrest, dormancy, or rejection. Most of the studies published so far on interactions of tumor cells and host cells were made in vitro and dealt with aspects such as cell adhesion, proliferation, invasiveness, cytotoxicity, or cytokine production. As the microenvironment in tissue culture differs in many respects from that in vivo, new approaches for in vivo studies of tumor-host cell interactions is of utmost importance in cancer research. To elucidate the metastatic phenotype, approaches have been made to relate, for instance, cell surface molecules expressed on the tumor cell lines from tissue culture to their propensity to generate metastases in vivo (1). Several authors have reported that certain steps of the metastatic cascade are rate limiting (2-6). To produce metastases, tumor cells must complete each of the sequential steps in the pathogenesis of cancer metastasis. Each discrete step appears to depend on the interaction between tumor cells and multiple host factors (i.e., the microenvironment of the tumor) and to be regulated by transient or permanent changes in multiple genes at the level of DNA, RNA, or protein. On this background, the need for comprehensive in vivo/ex vivo studies on tumor-host interactions and their kinetics in relevant model systems becomes obvious.
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Rocha, M., Schirrmacher, V., Umansky, V. (2001). Dissection of Tumor and Host Cells from Metastasized Organs for Testing Gene Expression Directly Ex Vivo. In: Brooks, S.A., Schumacher, U. (eds) Metastasis Research Protocols. Methods in Molecular Medicine, vol 58. Humana, Totowa, NJ. https://doi.org/10.1385/1-59259-137-X:277
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DOI: https://doi.org/10.1385/1-59259-137-X:277
Publisher Name: Humana, Totowa, NJ
Print ISBN: 978-0-89603-615-4
Online ISBN: 978-1-59259-137-4
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