PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 28274939-5 2017 We show that HACT requires transcriptional activation of HIF-1alpha throughout the course of HA and that this activation is accompanied by two metabolic switches: 1) profound upregulation of PDK1, which reduces pyruvate entry into the mitochondria, consequently increasing glycolytic lactate production; 2) remodeling of the COX4 isoform ratio, inducing hypoxic-tolerant COX4.2 dominance, and optimizing electron transfer and possibly ATP production during the ischemic and hypoxic insults. Lactic Acid 284-291 hypoxia inducible factor 1 subunit alpha Rattus norvegicus 57-67 23349483-6 2013 These results indicate that the Warburg-like effect, which is characteristic of aerobic metabolism in cancer cells by which lactate is overproduced with reduced linking to mitochondria metabolism, plays an important role in impaired metabolism-secretion coupling in diabetic beta-cells and suggest that ROS reduction can improve mitochondrial metabolism by suppressing lactate overproduction through the inhibition of HIF1alpha stabilization. Lactic Acid 124-131 hypoxia inducible factor 1 subunit alpha Rattus norvegicus 418-427