2023
MKP1 promotes nonalcoholic steatohepatitis by suppressing AMPK activity through LKB1 nuclear retention
Qiu B, Lawan A, Xirouchaki C, Yi J, Robert M, Zhang L, Brown W, Fernández-Hernando C, Yang X, Tiganis T, Bennett A. MKP1 promotes nonalcoholic steatohepatitis by suppressing AMPK activity through LKB1 nuclear retention. Nature Communications 2023, 14: 5405. PMID: 37669951, PMCID: PMC10480499, DOI: 10.1038/s41467-023-41145-5.Peer-Reviewed Original Research
2022
Immune cells and their inflammatory mediators modify beta cells and cause checkpoint inhibitor-induced diabetes
Perdigoto AL, Deng S, Du KC, Kuchroo M, Burkhardt DB, Tong A, Israel G, Robert ME, Weisberg SP, Kirkiles-Smith N, Stamatouli AM, Kluger HM, Quandt Z, Young A, Yang ML, Mamula MJ, Pober JS, Anderson MS, Krishnaswamy S, Herold KC. Immune cells and their inflammatory mediators modify beta cells and cause checkpoint inhibitor-induced diabetes. JCI Insight 2022, 7: e156330. PMID: 35925682, PMCID: PMC9536276, DOI: 10.1172/jci.insight.156330.Peer-Reviewed Original ResearchConceptsCheckpoint inhibitorsΒ-cellsPD-1/PD-L1 pathwayT-lymphocyte antigen-4PD-1 blockadePD-L1 pathwayDeath ligand 1NOD mouse modelDevelopment of diabetesHuman β-cellsAutoimmune complicationsNOD miceΒ-cell populationDeath-1Diabetes mellitusImmune infiltratesInflammatory mediatorsPancreatic inflammationPD-L1Induced diabetesLymphocytic infiltrationInflammatory cytokinesAntigen-4Immune cellsT cells
2021
Trefoil factor 2 secreted from damaged hepatocytes activates hepatic stellate cells to induce fibrogenesis
Zhang B, Lapenta K, Wang Q, Nam JH, Chung D, Robert ME, Nathanson MH, Yang X. Trefoil factor 2 secreted from damaged hepatocytes activates hepatic stellate cells to induce fibrogenesis. Journal Of Biological Chemistry 2021, 297: 100887. PMID: 34146542, PMCID: PMC8267550, DOI: 10.1016/j.jbc.2021.100887.Peer-Reviewed Original ResearchConceptsHepatic stellate cellsTrefoil factor 2Liver injuryStellate cellsActivation of HSCsPrimary hepatic stellate cellsPlatelet-derived growth factor receptor betaChronic liver diseaseGrowth factor receptor betaProcess of fibrogenesisLiver-specific deletionFactor 2Spontaneous fibrosisLiver diseaseLiver fibrosisFibrogenic processReceptor betaFibrogenesisWT hepatocytesProtein expressionFibrosisHepatocytesInjuryNovel factorActivation
2020
OGT suppresses S6K1-mediated macrophage inflammation and metabolic disturbance
Yang Y, Li X, Luan HH, Zhang B, Zhang K, Nam JH, Li Z, Fu M, Munk A, Zhang D, Wang S, Liu Y, Albuquerque JP, Ong Q, Li R, Wang Q, Robert ME, Perry RJ, Chung D, Shulman GI, Yang X. OGT suppresses S6K1-mediated macrophage inflammation and metabolic disturbance. Proceedings Of The National Academy Of Sciences Of The United States Of America 2020, 117: 16616-16625. PMID: 32601203, PMCID: PMC7368321, DOI: 10.1073/pnas.1916121117.Peer-Reviewed Original ResearchConceptsRibosomal protein S6 kinase beta-1Macrophage proinflammatory activationGlcNAc signalingProinflammatory activationUnexpected roleWhole-body metabolismNutrient fluxesLipid accumulationImmune cell activationGlcNAcHomeostatic mechanismsMetabolic disturbancesBeta 1Cell activationDiet-induced metabolic dysfunctionDiet-induced obese miceActivationWhole-body insulin resistanceMacrophage inflammationGlcNAcylationOGTPeripheral tissuesPhosphorylationEnhanced inflammationInsulin resistancePolycystin 2 is increased in disease to protect against stress-induced cell death
Brill AL, Fischer TT, Walters JM, Marlier A, Sewanan LR, Wilson PC, Johnson EK, Moeckel G, Cantley LG, Campbell SG, Nerbonne JM, Chung HJ, Robert ME, Ehrlich BE. Polycystin 2 is increased in disease to protect against stress-induced cell death. Scientific Reports 2020, 10: 386. PMID: 31941974, PMCID: PMC6962458, DOI: 10.1038/s41598-019-57286-x.Peer-Reviewed Original ResearchConceptsPolycystin-2General cellular homeostasisCell deathStress-induced cell deathPathological cell deathAutosomal dominant polycystic kidney diseaseEndoplasmic reticulum membraneCellular homeostasisCellular stressPrimary ciliaUbiquitous expressionExpression changesCell stressReticulum membraneTransient receptor potential cation channelHuman diseasesMultiple tissuesEndogenous roleDominant polycystic kidney diseaseTissue typesCation channelsPolycystic kidney diseaseDifferent pathological statesMultiple diseasesKidney disease
2019
O-GlcNAc transferase suppresses necroptosis and liver fibrosis
Zhang B, Li MD, Yin R, Liu Y, Yang Y, Mitchell-Richards KA, Nam JH, Li R, Wang L, Iwakiri Y, Chung D, Robert ME, Ehrlich BE, Bennett AM, Yu J, Nathanson MH, Yang X. O-GlcNAc transferase suppresses necroptosis and liver fibrosis. JCI Insight 2019, 4: e127709. PMID: 31672932, PMCID: PMC6948774, DOI: 10.1172/jci.insight.127709.Peer-Reviewed Original ResearchConceptsReceptor-interacting protein kinase 3Liver fibrosisLiver diseaseHepatocyte necroptosisEthanol-induced liver injuryAlcoholic liver cirrhosisChronic liver diseaseMultiple liver diseasesWeeks of ageProtein expression levelsPortal inflammationLiver cirrhosisLiver injuryBallooning degenerationElevated protein expression levelsSpontaneous genetic modelFibrosisKey suppressorKey mediatorMiceProtein kinase 3CirrhosisExpression levelsGlcNAc levelsMixed lineage kinase
1998
Effect of Heparin on Dextran Sulfate Sodium-Induced Colitis
Korzenik J, Hsu A, Robert M. Effect of Heparin on Dextran Sulfate Sodium-Induced Colitis. Digestive Diseases And Sciences 1998, 43: 1800-1805. PMID: 9724172, DOI: 10.1023/a:1018800207063.Peer-Reviewed Original ResearchConceptsBowel diseaseDextran Sulfate Sodium-Induced ColitisDextran sulfate-induced colitisSeverity of colitisSulfate-induced colitisInduction of colitisEffect of heparinMurine colitisSubcutaneous injectionWebster miceColitisHeparinized animalsHeparinAnticoagulant propertiesDiseaseMiceDextran sulfateOpposite effectSulfated polysaccharidesAnimalsDrinking waterSimilar pathwaysDosesSeverity