The results were similar when we interrogated the Oncomine database (www.oncomine.org) for GLS1 expression in human glioblastoma (p = 6.33e–14), breast cancer (p = 5.11e–5), and colorectal cancer (p = 3.48e–11) versus their adjacent normal tissue (Fig. S1A–C). Here, GLS is linked to glioblastoma.