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Tumorigenesis

Three Genetic Steps Convert Normal Cells into Cancer Cells

Published in Women's Health Weekly, January 11th, 2001

Cells originating from normal human breast tissue have been converted into breast cancer cells by a defined protocol of genetic changes.

In the January 1, 2001, issue of Genes & Development, Dr. Robert Weinberg and colleagues from the Massachusetts Institute of Technology report that the sequential introduction of three cancer-associated genes into human mammary epithelial cells (HMECs) renders these cells tumorigenic.

This study is the first report of the successful transformation of epithelial cells originating from a differentiated adult tissue such as the mammary gland.

Cancers arising from epithelial cells account...

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