2018
Impaired insulin signaling and spatial learning in middle-aged rats: The role of PTP1B
Kuga G, Muñoz V, Gaspar R, Nakandakari S, da Silva A, Botezelli J, Leme J, Gomes R, de Moura L, Cintra D, Ropelle E, Pauli J. Impaired insulin signaling and spatial learning in middle-aged rats: The role of PTP1B. Experimental Gerontology 2018, 104: 66-71. PMID: 29421605, DOI: 10.1016/j.exger.2018.02.005.Peer-Reviewed Original ResearchConceptsMiddle-aged ratsBrain-derived neurotrophic factorΒ-amyloid contentAlzheimer's diseaseInsulin resistanceTau phosphorylationMorris water maze testMiddle-aged Wistar ratsInsulin tolerance testMain risk factorsAge-related changesNeurotrophic factorTolerance testRisk factorsMaze testImpaired insulinWistar ratsNew therapiesHippocampus regionBody weightCognitive declineRole of PTP1BSynaptic plasticityRatsSpatial learning
2017
Mitochondrial Targeted Catalase Protects Against High-Fat Diet-Induced Muscle Insulin Resistance by Decreasing Intramuscular Lipid Accumulation
Lee HY, Lee JS, Alves T, Ladiges W, Rabinovitch PS, Jurczak MJ, Choi CS, Shulman GI, Samuel VT. Mitochondrial Targeted Catalase Protects Against High-Fat Diet-Induced Muscle Insulin Resistance by Decreasing Intramuscular Lipid Accumulation. Diabetes 2017, 66: db161334. PMID: 28476930, PMCID: PMC5521865, DOI: 10.2337/db16-1334.Peer-Reviewed Original ResearchConceptsHigh-fat dietMuscle insulin resistanceAcute lipid infusionInsulin resistanceRegular chowLipid infusionMCAT miceInsulin actionLipid-induced insulin resistanceDiet-induced insulin resistanceReactive oxygen speciesHyperinsulinemic-euglycemic clampWild-type miceMuscle fat oxidationIntramuscular lipid accumulationROS productionAcute infusionHFD-fedWT miceImpaired insulinPKCθ activationFat oxidationLipid emulsionMuscle insulinMice
2014
The H19/let-7 double-negative feedback loop contributes to glucose metabolism in muscle cells
Gao Y, Wu F, Zhou J, Yan L, Jurczak MJ, Lee HY, Yang L, Mueller M, Zhou XB, Dandolo L, Szendroedi J, Roden M, Flannery C, Taylor H, Carmichael GG, Shulman GI, Huang Y. The H19/let-7 double-negative feedback loop contributes to glucose metabolism in muscle cells. Nucleic Acids Research 2014, 42: 13799-13811. PMID: 25399420, PMCID: PMC4267628, DOI: 10.1093/nar/gku1160.Peer-Reviewed Original ResearchConceptsDouble-negative feedback loopLet-7PI3K/Akt-dependent phosphorylationLet-7 targetsHuman genetic disordersAkt-dependent phosphorylationMuscle cellsInsulin-resistant rodentsSponge lncRNAsMolecular spongeH19 lncRNAFeedback loopGrowth controlDepletion resultsH19Impaired insulinLncRNAsTarget miRNAGlucose uptakeGenetic disordersBiogenesisCellsKSRPPhosphorylationMicroRNAs
2012
Mechanisms for Insulin Resistance: Common Threads and Missing Links
Samuel VT, Shulman GI. Mechanisms for Insulin Resistance: Common Threads and Missing Links. Cell 2012, 148: 852-871. PMID: 22385956, PMCID: PMC3294420, DOI: 10.1016/j.cell.2012.02.017.Peer-Reviewed Original ResearchConceptsUnfolded protein response pathwayProtein response pathwayInsulin resistanceFatty acid uptakeResponse pathwaysLipid metabolitesAcid uptakeSpecific lipid metabolitesEctopic lipid depositionImmune pathwaysPathwayImpaired insulinCommon final pathwayCellular changesComplex metabolic disorderSkeletal muscleMetabolic disordersLipid depositionFinal pathwayEnergy expenditureAccumulationEtiological pathwaysMetabolitesMissing linkResistance
2010
Irs1 Serine 307 Promotes Insulin Sensitivity in Mice
Copps K, Hancer N, Opare-Ado L, Qiu W, Walsh C, White M. Irs1 Serine 307 Promotes Insulin Sensitivity in Mice. Cell Metabolism 2010, 11: 84-92. PMID: 20074531, PMCID: PMC3314336, DOI: 10.1016/j.cmet.2009.11.003.Peer-Reviewed Original Research
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