In addition, up‐regulation of SLC16A1 is associated with poorer prognosis in various cancer types39, 40; membrane monocarboxylate transporter 1 (Membrane Monocarboxylate Transporter 1, SLC16A1/MCT1) plays an important role in hepatocyte homeostasis and drug action and is involved in liver pathology.41 Here, SLC16A1 is linked to cancer.