HK2 and neuroblastoma: Sable over-expression or knockdown of MZF1 increased and decreased the levels of HK2 or PGK1, but not of fructose-bisphosphate C (ALDOC), ENO1, glucose-6-phosphate isomerase (GPI), or LDHA, in these NB cells, respectively (Figure 1D-E and Figure S2C).