Title : HER3 PET Imaging Identifies Dynamic Changes in HER3 in Response to HER2 Inhibition with Lapatinib.

Pub. Date : 2021 Dec

PMID : 34101105






6 Functional Relationships(s)
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1 HER3 PET Imaging Identifies Dynamic Changes in HER3 in Response to HER2 Inhibition with Lapatinib. Lapatinib erb-b2 receptor tyrosine kinase 3 Homo sapiens
2 HER3 PET Imaging Identifies Dynamic Changes in HER3 in Response to HER2 Inhibition with Lapatinib. Lapatinib erb-b2 receptor tyrosine kinase 3 Homo sapiens
3 PROCEDURES: In a panel of HER2+ breast cancer cell lines treated with the HER2 inhibitor lapatinib, we evaluate changes in HER3 expression and viability. Lapatinib erb-b2 receptor tyrosine kinase 3 Homo sapiens
4 RESULTS: Lapatinib treatment of a panel of HER2+ breast cancer cell lines increased HER3 expression in the lapatinib-resistant cell line MDA-MB 453 but not the lapatinib-resistant cell-line HCC-1569. Lapatinib erb-b2 receptor tyrosine kinase 3 Homo sapiens
5 RESULTS: Lapatinib treatment of a panel of HER2+ breast cancer cell lines increased HER3 expression in the lapatinib-resistant cell line MDA-MB 453 but not the lapatinib-resistant cell-line HCC-1569. Lapatinib erb-b2 receptor tyrosine kinase 3 Homo sapiens
6 The additional knockdown of HER3 increased therapeutic efficacy of lapatinib only in MDA-MB453 cells, but not in HCC-1569 cells. Lapatinib erb-b2 receptor tyrosine kinase 3 Homo sapiens