Cancer-associated fibroblasts in a human HEp-2 established laryngeal xenografted tumor are not derived from cancer cells through epithelial-mesenchymal transition, phenotypically activated but karyotypically normal.

Abstract excerpt

Cancer-associated fibroblasts (CAFs) play a crucial role in cancer progression and even initiation. However, the origins of CAFs in various cancer types remain controversial, and one of the important hypothesized origins is through epithelial-mesenchymal transition (EMT) from cancer cells. In this study, we investigated whether the HEp-2 laryngeal cancer cells are able to generate CAFs via EMT during tumor...

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