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Published on: July 21, 2018
Identifification of a novel LDLR-RET Fusion in Lung Adenocarcinoma
Guanglin Shi1, Yuyan Luo1, Zhaonan Yu2
1Nantong Hospital of Shanghai University, 226013, Nanting, Nantong, Jiangsu, China.
Background:
REarranged during Transfection (RET) gene fusion is one of the common oncogenic variants detectable in non-small cell lung cancer (NSCLC). The feature of most oncogenic RET gene fusion cases is that RET tyrosine kinase domain is retained in fusions and the partner gene includes a coiled-coil or LIS1 homology domain. However, only a few studies reported about the exceptional form of RET fusion in NSCLC so far.
Methods:
Targeted next-generation sequencing (NGS) and fluorescence in situ hybridization (FISH) were performed on resected cancerous tissue.
Results:
A rare form of RET fusion was identified in a 45 year-old Chinese female patient, in which exon 1-4 of LDLR fused with exon 12-21 of RET. The result was validated by FISH.
Conclusions:
This novel form of RET fusion in NSCLC is reported for the first time worldwide, offering a new treatment option for the patient with the possibility of using RET-selective inhibitors.
