MIR4435-2HG and neoplasm: The two major components of the α-GD2 TM which are responsible for the linkage between UniCAR NK-92 cells and tumour cells are (I) the scFv part which has affinity for the GD2 antigen on tumour cells, and (II) the E5B9 epitope tag which is recognized by the UniCAR molecules expressed on NK-92 cells.