PRKAA1 and neoplasm: It has been well‐established that AMPKα1 activation in macrophages plays an anti‐inflammatory effect.26, 28 Correspondingly, we used glucose MS‐imaging to reconfirm that the glucose level was more exacerbated in both tumour‐bearing liver and tumour tissues of AMPKα2−/− mice than those of WT (Figure 5C.).