PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 28512002-14 2017 In parallel with the opposing changes in lactate/succinate and beta-hydroxybutyrate levels, tumor cells upregulate GPR81 and GPR91 but downregulate GPR109A. 3-Hydroxybutyric Acid 63-83 succinate receptor 1 Homo sapiens 125-130