Title : 3D culture system containing gellan gum restores oncogene dependence in ROS1 rearrangements non-small cell lung cancer.

Pub. Date : 2018 Jun 22

PMID : 29738763






6 Functional Relationships(s)
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1 Several clinical studies have highlighted ROS1 as a promising therapeutic target because crizotinib, a multi-targeted drug against ROS1, ALK, and the MET proto-oncogene, has elicited remarkable responses in ROS1-rearrangements NSCLC. Crizotinib ROS proto-oncogene 1, receptor tyrosine kinase Homo sapiens
2 Several clinical studies have highlighted ROS1 as a promising therapeutic target because crizotinib, a multi-targeted drug against ROS1, ALK, and the MET proto-oncogene, has elicited remarkable responses in ROS1-rearrangements NSCLC. Crizotinib ROS proto-oncogene 1, receptor tyrosine kinase Homo sapiens
3 Several clinical studies have highlighted ROS1 as a promising therapeutic target because crizotinib, a multi-targeted drug against ROS1, ALK, and the MET proto-oncogene, has elicited remarkable responses in ROS1-rearrangements NSCLC. Crizotinib ROS proto-oncogene 1, receptor tyrosine kinase Homo sapiens
4 This eventually enabled us to engraft and stably grow the cells in vivo, and subsequently evaluate various ROS1 inhibitors against HCC78xe3 cells by overexpressing crizotinib-resistant mutations in the ROS1 kinase domain including G2032R and D2033 N. We newly found that lorlatinib, a next generation ROS1/ALK inhibitor, remain the activity against D2033 N mutation. Crizotinib ROS proto-oncogene 1, receptor tyrosine kinase Homo sapiens
5 This eventually enabled us to engraft and stably grow the cells in vivo, and subsequently evaluate various ROS1 inhibitors against HCC78xe3 cells by overexpressing crizotinib-resistant mutations in the ROS1 kinase domain including G2032R and D2033 N. We newly found that lorlatinib, a next generation ROS1/ALK inhibitor, remain the activity against D2033 N mutation. Crizotinib ROS proto-oncogene 1, receptor tyrosine kinase Homo sapiens
6 Furthermore, we demonstrated that HCC78xe3 cells expressing SLC34A2-ROS1 G2032R, and D2033 N, but not wild type (WT) cells, were resistant to crizotinib in vivo. Crizotinib ROS proto-oncogene 1, receptor tyrosine kinase Homo sapiens