2025
1647-P: Coenzyme A Synthase Knockdown Increases Hepatic Mitochondrial Fat Oxidation and Reduces Hepatic Steatosis and Hepatic Insulin Resistance
GASPAR R, SAKUMA I, HUBBARD B, LAMOIA T, ZHENG J, PARIKH S, KAHN M, SILVEIRA L, DUFOUR S, NASIRI A, PERELIS M, PETERSEN K, SAMUEL V, SHULMAN G. 1647-P: Coenzyme A Synthase Knockdown Increases Hepatic Mitochondrial Fat Oxidation and Reduces Hepatic Steatosis and Hepatic Insulin Resistance. Diabetes 2025, 74 DOI: 10.2337/db25-1647-p.Peer-Reviewed Original ResearchHFD-fed miceAcetyl-CoAHepatic insulin resistanceHFD-fedHepatic acetyl-CoA contentMalonyl-CoA levelsCoenzyme A synthaseFatty acid synthesisHepatic acetyl-CoAAcetyl-CoA contentSteatotic liver diseasePathogenesis of type 2 diabetesHigh-fat dietTCA cycleMitochondrial fat oxidationWhole-body energy expenditureCoA biosynthesisHepatic steatosisAcid synthesisMetabolic pathwaysInsulin resistanceReduced hepatic steatosisDecreased hepatic steatosisCOASYTriacylglycerol content
2024
Cytosolic calcium regulates hepatic mitochondrial oxidation, intrahepatic lipolysis, and gluconeogenesis via CAMKII activation
LaMoia T, Hubbard B, Guerra M, Nasiri A, Sakuma I, Kahn M, Zhang D, Goodman R, Nathanson M, Sancak Y, Perelis M, Mootha V, Shulman G. Cytosolic calcium regulates hepatic mitochondrial oxidation, intrahepatic lipolysis, and gluconeogenesis via CAMKII activation. Cell Metabolism 2024, 36: 2329-2340.e4. PMID: 39153480, PMCID: PMC11446666, DOI: 10.1016/j.cmet.2024.07.016.Peer-Reviewed Original Research
2022
Distinct subcellular localisation of intramyocellular lipids and reduced PKCε/PKCθ activity preserve muscle insulin sensitivity in exercise-trained mice
Gaspar R, Lyu K, Hubbard B, Leitner B, Luukkonen P, Hirabara S, Sakuma I, Nasiri A, Zhang D, Kahn M, Cline G, Pauli J, Perry R, Petersen K, Shulman G. Distinct subcellular localisation of intramyocellular lipids and reduced PKCε/PKCθ activity preserve muscle insulin sensitivity in exercise-trained mice. Diabetologia 2022, 66: 567-578. PMID: 36456864, PMCID: PMC11194860, DOI: 10.1007/s00125-022-05838-8.Peer-Reviewed Original ResearchConceptsProtein kinase CsSubcellular compartmentsDistinct subcellular localisationMuscle insulin sensitivityMultiple subcellular compartmentsInsulin receptor kinaseNovel protein kinase CsActivation of PKCεSubcellular localisationPKCθ translocationReceptor kinasePlasma membraneSubcellular distributionTriacylglycerol contentCrucial pathwaysIntramuscular triacylglycerol contentRC miceDiacylglycerolConclusions/interpretationThese resultsPKCεPM compartmentPhosphorylationMuscle triacylglycerol contentSkeletal muscleRecent findings
This site is protected by hCaptcha and its Privacy Policy and Terms of Service apply