Title : Lapatinib induces apoptosis in trastuzumab-resistant breast cancer cells: effects on insulin-like growth factor I signaling.

Pub. Date : 2007 Feb

PMID : 17308062






2 Functional Relationships(s)
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1 Lapatinib inhibited EGFR and HER2 signaling in resistant cells, blocking activation of downstream Akt, mitogen-activated protein kinase [corrected] Importantly, lapatinib also inhibited insulin-like growth factor I (IGF-I) signaling and growth-promoting effects in parental and resistant cells, and the cytotoxic effects of lapatinib were further enhanced by the IGF-I receptor-blocking antibody alphaIR3. Lapatinib AKT serine/threonine kinase 1 Homo sapiens
2 Lapatinib inhibited EGFR and HER2 signaling in resistant cells, blocking activation of downstream Akt, mitogen-activated protein kinase [corrected] Importantly, lapatinib also inhibited insulin-like growth factor I (IGF-I) signaling and growth-promoting effects in parental and resistant cells, and the cytotoxic effects of lapatinib were further enhanced by the IGF-I receptor-blocking antibody alphaIR3. Lapatinib AKT serine/threonine kinase 1 Homo sapiens