Sunday, May 30, 2010

HER-2

HER-2
- gene responsible for encoding a transmembrane typrosine kinase (growth stimulating activity)
- when over-expressed in breast cancer causes more rapid growth and aggressive behaviour of tumor cell
- over-expressed in ~30% of breast cancers
- over-expression is an independent predictor of worse prognosis
- Herceptin: monoclonal antibody targetting HER-2 membrane receptor

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