Colon carcinoma cells switch their response to transforming growth factor beta 1 with tumor progression.

Abstract

Transforming growth factor beta 1 (TGF-beta 1) switches from an inhibitor of tumor cell growth to a stimulator of growth and invasion during human colon carcinoma progression. We originally observed that metastatic colon carcinoma cells in primary culture responded to TGF-beta 1 by proliferation, whereas moderate to well-differentiated primary site colon… (More)

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11 Figures and Tables