Title : The role of Her2-Nrf2 axis in induction of oxaliplatin resistance in colon cancer cells.

Pub. Date : 2018 Jul

PMID : 29684854






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1 The role of Her2-Nrf2 axis in induction of oxaliplatin resistance in colon cancer cells. Oxaliplatin erb-b2 receptor tyrosine kinase 2 Homo sapiens
2 The aim of this study was to investigate the possible cross talk between Nrf2 and Her2 mediated signaling pathways in development of oxaliplatin resistance in colon cancer cells. Oxaliplatin erb-b2 receptor tyrosine kinase 2 Homo sapiens
3 We first generated oxaliplatin-resistant LS174T and SW480 colon cancer cells with different Her2 expression levels by employing IC50 concentrations followed by a resting period. Oxaliplatin erb-b2 receptor tyrosine kinase 2 Homo sapiens
4 Inhibition of either Nrf2 or Her2 alone and in combination caused a significant increase in oxaliplatin-induced cytotoxicity and apoptosis with maximum effects in SW480/Res cells with low Her2 and Nrf2 expression levels. Oxaliplatin erb-b2 receptor tyrosine kinase 2 Homo sapiens
5 Inhibition of either Nrf2 or Her2 alone and in combination caused a significant increase in oxaliplatin-induced cytotoxicity and apoptosis with maximum effects in SW480/Res cells with low Her2 and Nrf2 expression levels. Oxaliplatin erb-b2 receptor tyrosine kinase 2 Homo sapiens
6 Altogether, our results suggest that inhibition of Nrf2 signaling in colon cancer patients with Her2 overexpression can be considered as an important strategy to overcome oxaliplatin resistance. Oxaliplatin erb-b2 receptor tyrosine kinase 2 Homo sapiens