For instance, in HCC, IL‐6/JAK1‐driven phosphorylation at Y112 of PD‐L1 engages the N‐glycosyltransferase STT3A to catalyze PD‐L1 glycosylation and sustain PD‐L1 stability [29]. The gene discussed is JAK1; the disease is hepatocellular carcinoma.