The function of ENSG00000143158 (MPC2, mitochondrial pyruvate carrier 2) is as follows. Mediates the uptake of pyruvate into mitochondria to maintain the balance between glycolysis and oxidative phosphorylation (PubMed:22628558, PubMed:26253029, PubMed:27317664, PubMed:29472561, PubMed:40044865, PubMed:40101766, PubMed:35278701). Plays an essential role in cellular metabolism (PubMed:40044865, PubMed:40101766). {ECO:0000269|PubMed:22628558, ECO:0000269|PubMed:26253029, ECO:0000269|PubMed:27317664, ECO:0000269|PubMed:29472561, ECO:0000269|PubMed:35278701, ECO:0000269|PubMed:40044865, ECO:0000269|PubMed:40101766}.