GLS and leukemia: We analyzed expression of the full-length GLS protein KGA (669 aa) and the shorter isoform GAC (598 aa) in a panel of leukemia cell lines (n = 10) and in 3 primary AML samples using GAC (Proteintech 19958-1-AP 1:1000) and KGA-GAC (Abcm 156876) specific antibodies (Figure 2A).