TABLE 3.

NcRNAs in HER2-positive GC.

ncRNA	Main contents	Mechanism of function	References
miR-494	lapatinib	fibroblast growth factor receptor 2(FGFR2)↓;cancer initiating cells (CICs)↓	Yu et al. (2018)
miR-143	growth	KRAS network↓;DDX6 RNA helicase↓	Tokumaru et al. (2019)
miR-21	trastuzumab	PTEN↓;AKT phosphorylation↑	Eto et al. (2014)
miR-223	terrazumab	F-box and WD repeat domain-containing 7 (FBXW7)↓	Eto et al. (2015)