2022
Dyrk1b promotes hepatic lipogenesis by bypassing canonical insulin signaling and directly activating mTORC2 in mice
Bhat N, Narayanan A, Fathzadeh M, Kahn M, Zhang D, Goedeke L, Neogi A, Cardone RL, Kibbey RG, Fernandez-Hernando C, Ginsberg HN, Jain D, Shulman G, Mani A. Dyrk1b promotes hepatic lipogenesis by bypassing canonical insulin signaling and directly activating mTORC2 in mice. Journal Of Clinical Investigation 2022, 132: e153724. PMID: 34855620, PMCID: PMC8803348, DOI: 10.1172/jci153724.Peer-Reviewed Original ResearchConceptsDe novo lipogenesisNonalcoholic steatohepatitisInsulin resistanceHepatic lipogenesisElevated de novo lipogenesisNonalcoholic fatty liver diseaseFatty liver diseaseLiver of patientsHepatic glycogen storageHigh-sucrose dietHepatic insulin resistanceFatty acid uptakeMetabolic syndromeLiver diseaseHepatic steatosisTriacylglycerol secretionNovo lipogenesisHepatic insulinTherapeutic targetImpaired activationAcid uptakeGlycogen storageMouse liverLiverLipogenesis
2019
CELA2A mutations predispose to early-onset atherosclerosis and metabolic syndrome and affect plasma insulin and platelet activation
Esteghamat F, Broughton JS, Smith E, Cardone R, Tyagi T, Guerra M, Szabó A, Ugwu N, Mani MV, Azari B, Kayingo G, Chung S, Fathzadeh M, Weiss E, Bender J, Mane S, Lifton RP, Adeniran A, Nathanson MH, Gorelick FS, Hwa J, Sahin-Tóth M, Belfort-DeAguiar R, Kibbey RG, Mani A. CELA2A mutations predispose to early-onset atherosclerosis and metabolic syndrome and affect plasma insulin and platelet activation. Nature Genetics 2019, 51: 1233-1243. PMID: 31358993, PMCID: PMC6675645, DOI: 10.1038/s41588-019-0470-3.Peer-Reviewed Original ResearchConceptsEarly-onset atherosclerosisMetabolic syndromeMetabolic syndrome traitsWhole-exome sequence analysisAttractive therapeutic targetPlatelet hyperactivationInsulin levelsPlasma insulinPlasma levelsInsulin sensitivityInsulin secretionTherapeutic targetPlatelet activationDisease mechanismsSyndrome traitsAtherosclerosisFunction mutationsSyndromeNovel lossInsulinMutationsSecretion
2015
Impaired LRP6-TCF7L2 Activity Enhances Smooth Muscle Cell Plasticity and Causes Coronary Artery Disease
Srivastava R, Zhang J, Go GW, Narayanan A, Nottoli TP, Mani A. Impaired LRP6-TCF7L2 Activity Enhances Smooth Muscle Cell Plasticity and Causes Coronary Artery Disease. Cell Reports 2015, 13: 746-759. PMID: 26489464, PMCID: PMC4626307, DOI: 10.1016/j.celrep.2015.09.028.Peer-Reviewed Original ResearchConceptsCoronary artery diseaseLRP6 activityArtery diseaseObstructive coronary artery diseaseHigh-fat dietVascular smooth muscle cell differentiationMuscle cell plasticitySmooth muscle cell differentiationAtherosclerotic burdenMedial hyperplasiaCarotid injuryArterial diseaseVascular obstructionNeointima formationTherapeutic targetWnt3a administrationIntact WntVSMC differentiationKnockout backgroundDiseaseMiceVessel wallNon-canonical WntCoreceptor LRP6Cell plasticity