Mario Kahn
Research Associate Internal Medicine EndocrinologyCards
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Research Associate Internal Medicine Endocrinology
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Yale Co-Authors
Frequent collaborators of Mario Kahn's published research.
Publications Timeline
A big-picture view of Mario Kahn's research output by year.
Gerald I Shulman, MD, PhD, MACP, MACE, FRCP
Rafael Calais Gaspar, PhD, MSc
Varman Samuel, MD, PhD
Kitt Petersen, MD
Dongyan Zhang
Xian Zhang, PhD
40Publications
3,715Citations
Publications
2026
2503-P: The Noradrenergic System Regulates Hepatic Gluconeogenesis, Mitochondrial Oxidation, and Autophagy by CaMKII during Cold Exposure
MORGAN H, GASPAR R, SCHAVINSKI A, ASSIS A, ZHENG J, PARIKH S, DUFOUR S, KAHN M, NASIRI A, PERELIS M, KETTELHUT I, NAVEGANTES L, SHULMAN G. 2503-P: The Noradrenergic System Regulates Hepatic Gluconeogenesis, Mitochondrial Oxidation, and Autophagy by CaMKII during Cold Exposure. Diabetes 2026, 75 DOI: 10.2337/db26-2503-p.Peer-Reviewed Original ResearchConceptsHepatic mitochondrial metabolismMitochondrial oxidationHepatic mitochondrial oxidationConversion to glucoseMitochondrial metabolismAntisense oligonucleotidesSao Paulo Research FoundationCold exposureMolecular mechanismsActivation of CaMKIIHepatic gluconeogenesisRate of glycerolGluconeogenesisAutophagyConcentrations of glucoseNoradrenergic systemFatty acidsGlucose productionGlycerolStable isotopesAtg7MetabolismGlucoseTurnoverCaMKIICIDEB and CGI-58 differentially regulate liver lipid-droplet cholesterol to modulate metabolic dysfunction-associated steatohepatitis severity
Sakuma I, Gaspar R, Morgan H, Zheng J, Nasiri A, Dufour S, Kahn M, Guerra M, Taki Y, Kawashima Y, Yimlamai D, Perelis M, Vatner D, Petersen K, Samuel V, Tanaka T, Shulman G. CIDEB and CGI-58 differentially regulate liver lipid-droplet cholesterol to modulate metabolic dysfunction-associated steatohepatitis severity. Cell Reports 2026, 45: 117369. PMID: 42234563, DOI: 10.1016/j.celrep.2026.117369.Peer-Reviewed Original ResearchAltmetricMeSH Keywords and ConceptsConceptsCGI-58Protective effectCholesterol levelsL-amino acid-defined high-fat dietLiver-related mortalityLivers of C57BL/6J miceCGI-58 knockdownLipid dropletsCholesterol synthesis inhibitorLipid droplet proteinsCrown-like structuresHigh-fat dietBempedoic acidC57BL/6J miceLiver lipid dropletsPlasma transaminasesCidebCholine-deficientAntisense oligonucleotidesLiverCholesterolAltered cholesterolCholesterol supplementationTriglyceridesKnockdownInsulin receptorT1160 phosphorylation mediates renal cortical insulin resistance but not excess gluconeogenesis from glycerol
Hubbard B, Ma Y, Gaspar R, LaMoia T, Zhang D, Kahn M, Dufour S, Nasiri A, Shulman G. Insulin receptorT1160 phosphorylation mediates renal cortical insulin resistance but not excess gluconeogenesis from glycerol. Nature Communications 2026 PMID: 42168167, DOI: 10.1038/s41467-026-73016-0.Peer-Reviewed Original ResearchConceptsHigh-fat dietRenal glucose productionSn-1,2-DAGElevated 6.5-foldImpaired suppression of endogenous glucose productionGlucose productionDysregulated glucose homeostasisMitochondrial metabolismInsulin signalingMitochondrial sourcesInsulin resistanceHigh-fat diet micePyruvate oxidationHFD-fedGlucose homeostasisKnockin miceGluconeogenesisPhosphorylationEndogenous glucose productionRenal gluconeogenesisGlycerolMiceImpaired suppressionMale micePyruvate
2025
Cideb knockdown in mice increases mitochondrial fat oxidation and reverses hepatic steatosis and insulin resistance by the plasma membrane sn-1,2-DAGs–PKCε–insulin receptor kinaseT1150 pathway
Zheng J, Gaspar R, Sakuma I, Hubbard B, Zhang D, Nasiri A, Kahn M, Perelis M, Samuel V, Petersen K, Shulman G. Cideb knockdown in mice increases mitochondrial fat oxidation and reverses hepatic steatosis and insulin resistance by the plasma membrane sn-1,2-DAGs–PKCε–insulin receptor kinaseT1150 pathway. Diabetologia 2025, 68: 2906-2920. PMID: 40908405, DOI: 10.1007/s00125-025-06539-8.Peer-Reviewed Original ResearchCitationsAltmetricConceptsMitochondrial fat oxidationWhole-body energy expenditureTricarboxylic acidIn vivo rateHFD-induced hepatic steatosisHigh-fat dietHFD-induced insulin resistanceSteatotic liver diseaseAntisense oligonucleotidesHepatic lipogenesisHepatic mitochondrial oxidationHepatic insulin resistanceCidebHepatic steatosisComprehensive Lab Animal Monitoring SystemHigh-fat diet mouse modelInsulin resistanceMitochondrial oxidationMethodsC57BL/6J male miceRadio-labelled isotopesHyperinsulinaemic–euglycaemic clamp studiesKnockdownASO treatmentLipogenesisConclusions/interpretationThese findingsLiver lipid droplet cholesterol content is a key determinant of metabolic dysfunction–associated steatohepatitis
Sakuma I, Gaspar R, Nasiri A, Dufour S, Kahn M, Zheng J, LaMoia T, Guerra M, Taki Y, Kawashima Y, Yimlamai D, Perelis M, Vatner D, Petersen K, Huttasch M, Knebel B, Kahl S, Roden M, Samuel V, Tanaka T, Shulman G. Liver lipid droplet cholesterol content is a key determinant of metabolic dysfunction–associated steatohepatitis. Proceedings Of The National Academy Of Sciences Of The United States Of America 2025, 122: e2502978122. PMID: 40310463, PMCID: PMC12067271, DOI: 10.1073/pnas.2502978122.Peer-Reviewed Original ResearchCitationsAltmetricMeSH Keywords and ConceptsConceptsCholine-deficient l-amino acid-defined high-fat dietBempedoic acidLiver fibrosisLiver diseaseL-amino acid-defined high-fat dietAdvanced liver diseaseCholesterol contentHSD17B13 variantsHigh-fat dietTotal liver cholesterol contentTreated miceActivate signaling pathwaysVariant rs738409Liver cholesterol contentLiver lipidsFibrotic responsePromote inflammationTherapeutic approachesSteatotic liver diseaseDietary cholesterol supplementationFibrosisHuman liver samplesI148MAntisense oligonucleotidesProgressive form
2024
SGLT2 inhibition alters substrate utilization and mitochondrial redox in healthy and failing rat hearts
Goedeke L, Ma Y, Gaspar R, Nasiri A, Lee J, Zhang D, Galsgaard K, Hu X, Zhang J, Guerrera N, Li X, LaMoia T, Hubbard B, Haedersdal S, Wu X, Stack J, Dufour S, Butrico G, Kahn M, Perry R, Cline G, Young L, Shulman G. SGLT2 inhibition alters substrate utilization and mitochondrial redox in healthy and failing rat hearts. Journal Of Clinical Investigation 2024, 134: e176708. PMID: 39680452, PMCID: PMC11645152, DOI: 10.1172/jci176708.Peer-Reviewed Original ResearchCitationsAltmetricMeSH Keywords and ConceptsConceptsSodium-glucose cotransporter type 2Heart failureKetone oxidationGas chromatography-mass spectrometryFatty acid oxidationLeft ventricular ejection fractionReduced myocardial oxidative stressVentricular ejection fractionKetone supplementationWeeks of treatmentMyocardial oxidative stressDecreased pyruvate oxidationInduce heart failurePlasma glucose levelsIn vivo effectsSGLT2i treatmentEjection fractionAssociated with improvementsAwake ratsSGLT2 inhibitionCardioprotective benefitsLiquid chromatography-tandem mass spectrometryPlasma ketonesRates of ketonizationChromatography-tandem mass spectrometryHigh-fat-diet-induced hepatic insulin resistance per se attenuates murine de novo lipogenesis
Goedeke L, Strober J, Suh R, Paolella L, Li X, Rogers J, Petersen M, Nasiri A, Casals G, Kahn M, Cline G, Samuel V, Shulman G, Vatner D. High-fat-diet-induced hepatic insulin resistance per se attenuates murine de novo lipogenesis. IScience 2024, 27: 111175. PMID: 39524330, PMCID: PMC11550620, DOI: 10.1016/j.isci.2024.111175.Peer-Reviewed Original ResearchCitationsAltmetricConceptsDuration of high-fat dietAttenuated insulin signalingHigh-fat dietHepatic insulin resistanceInsulin signalingInsulin stimulationLipogenic substrateStimulation of de novo lipogenesisReduced lipogenesisHFD feedingReduce DNLInsulin resistanceResistance per seLipogenesisInsulin resistance per sePathway selectionGlucose metabolismHepatic IRMiceFat dietSREBP1cINSRCeramide synthesis inhibitors prevent lipid-induced insulin resistance through the DAG-PKCε-insulin receptorT1150 phosphorylation pathway
Xu W, Zhang D, Ma Y, Gaspar R, Kahn M, Nasiri A, Murray S, Samuel V, Shulman G. Ceramide synthesis inhibitors prevent lipid-induced insulin resistance through the DAG-PKCε-insulin receptorT1150 phosphorylation pathway. Cell Reports 2024, 43: 114746. PMID: 39302831, DOI: 10.1016/j.celrep.2024.114746.Peer-Reviewed Original ResearchCitationsAltmetricConceptsLipid-induced hepatic insulin resistanceHepatic insulin resistancePhosphorylation pathwayAntisense oligonucleotidesCeramide synthesis inhibitorsLipid-induced insulin resistanceMyriocin treatmentCeramide synthesisDihydroceramide desaturaseInsulin resistanceHepatic ceramideMyriocinCeramideCeramide contentInsulin-sensitizing effectsPhosphorylationHepatic insulin sensitivityPathwaySynthetic pathwayDES1Glucose productionSynthesis inhibitorDGAT2DesaturaseInhibitionEffect of Weight Loss on Skeletal Muscle Bioactive Lipids in People With Obesity and Type 2 Diabetes.
Petersen M, Yoshino M, Smith G, Gaspar R, Kahn M, Samovski D, Shulman G, Klein S. Effect of Weight Loss on Skeletal Muscle Bioactive Lipids in People With Obesity and Type 2 Diabetes. Diabetes 2024, 73: 2055-2064. PMID: 39264820, PMCID: PMC11579410, DOI: 10.2337/db24-0083.Peer-Reviewed Original ResearchCitationsAltmetricConceptsMuscle insulin sensitivitySkeletal muscle insulin sensitivityType 2 diabetesEffects of weight lossInsulin sensitivityWeight lossWeight loss-induced improvementWhole-body insulin sensitivityObesityGlucose tracer infusionAssociated with changesHyperinsulinemic-euglycemic clamp procedureCeramide contentSn-1,2-DAGMuscleCytosolic 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 ResearchCitationsAltmetric
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- April 27, 2026
Yale Department of Internal Medicine Celebrates Staff Service Anniversaries
- July 29, 2025
Study Reveals Cholesterol’s Role in Fibrotic Progression of Metabolic Liver Disease
- February 18, 2025
What Makes a Successful Heart Failure Drug Work?
- April 04, 2023
Researchers Demonstrate New Protective Process Against Liver Fibrosis in NASH
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