Target Points in Trastuzumab Resistance

Epidermal growth factor (EGF) family of receptors is involved in cell growth and differentiation. The human EGF2 (HER2) lacks natural ligands, and correlation between HER2 levels and carcinogenesis makes the receptor an ideal candidate for targeted therapy in breast cancer. Trastuzumab is a humanize...

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Bibliographic Details
Published in:International Journal of Breast Cancer 2012-01, Vol.2012 (2012), p.349-357
Main Authors: Shojaei, Sahar, Gardaneh, Mossa, Rahimi Shamabadi, Abbas
Format: Article
Language:English
Subjects:
Review
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Summary:Epidermal growth factor (EGF) family of receptors is involved in cell growth and differentiation. The human EGF2 (HER2) lacks natural ligands, and correlation between HER2 levels and carcinogenesis makes the receptor an ideal candidate for targeted therapy in breast cancer. Trastuzumab is a humanized antibody applied against HER2-positive breast tumors in clinic. Metastatic tumors respond well to trastuzumab therapy for the first year, but development of antibody resistance helps the tumors to regrow allowing the disease to progress. Trastuzumab resistance is shaped via a range of intracellular signaling pathways that are interconnected and share in key effector molecules. Identification of a common node central to these resistance pathways could provide an ultimate solution for trastuzumab resistance in breast and other cancers.
ISSN:2090-3170
2090-3189
DOI:10.1155/2012/761917