Featured Publications
Circulating Extracellular Vesicles Carrying Sphingolipid Cargo for the Diagnosis and Dynamic Risk Profiling of Alcoholic Hepatitis
Sehrawat T, Arab J, Liu M, Amrollahi P, Wan M, Fan J, Nakao Y, Pose E, Navarro‐Corcuera A, Dasgupta D, Liao C, He L, Mauer A, Avitabile E, Ventura‐Cots M, Bataller R, Sanyal A, Chalasani N, Heimbach J, Watt K, Gores G, Gines P, Kamath P, Simonetto D, Hu T, Shah V, Malhi H. Circulating Extracellular Vesicles Carrying Sphingolipid Cargo for the Diagnosis and Dynamic Risk Profiling of Alcoholic Hepatitis. Hepatology 2021, 73: 571-585. PMID: 32246544, PMCID: PMC7541595, DOI: 10.1002/hep.31256.Peer-Reviewed Original ResearchConceptsEnd-stage liver diseaseAlcohol-associated cirrhosisAlcoholic hepatitisAH subjectsHealthy controlsHeavy drinkersLiver diseaseEtiology of ESLDEV concentrationEnd-stage liver disease (MELD) scoreExtracellular vesiclesRisk profilingPathogenesis of AHLiver Disease scoreCholestatic liver diseaseNonalcoholic steatohepatitisRisk stratificationClinical criteriaPrognostic performanceDisease scoreDiagnostic biomarkersDisease controlEV countsDiseaseDrinkersRegulation and functional roles of chemokines in liver diseases
Cao S, Liu M, Sehrawat T, Shah V. Regulation and functional roles of chemokines in liver diseases. Nature Reviews Gastroenterology & Hepatology 2021, 18: 630-647. PMID: 33976393, PMCID: PMC9036964, DOI: 10.1038/s41575-021-00444-2.Peer-Reviewed Original ResearchConceptsLiver diseaseImmune cellsAlcohol-associated liver diseaseOngoing clinical trialsRelevant preclinical studiesFunction of chemokinesLiver infiltrationChemokine transcriptionNonalcoholic steatohepatitisChemokine productionCell-type specific productionClinical trialsInflammatory responseFunctional rolePreclinical studiesChemokine functionAnimal modelsChemokinesChemokine biologyLiver homeostasisTherapeutic opportunitiesDiseaseLiver cellsCellsWeight proteins
2023
Modulating sphingosine 1-phosphate receptor signaling skews intrahepatic leukocytes and attenuates murine nonalcoholic steatohepatitis
Liao C, Barrow F, Venkatesan N, Nakao Y, Mauer A, Fredrickson G, Song M, Sehrawat T, Dasgupta D, Graham R, Revelo X, Malhi H. Modulating sphingosine 1-phosphate receptor signaling skews intrahepatic leukocytes and attenuates murine nonalcoholic steatohepatitis. Frontiers In Immunology 2023, 14: 1130184. PMID: 37153573, PMCID: PMC10160388, DOI: 10.3389/fimmu.2023.1130184.Peer-Reviewed Original ResearchConceptsMurine nonalcoholic steatohepatitisNonalcoholic steatohepatitisLiver injuryHepatic macrophage accumulationT cellsIntrahepatic leukocytesDietary feedingNKT cellsMacrophage accumulationReceptor antagonismLeukocyte populationsB cellsDouble-negative T cellsReceptor-specific modulationNegative T cellsStandard chow dietImmune cell populationsC57BL/6 male miceCirculating MarkersLiver histologyProinflammatory markersNK cellsOral gavageChow dietNASH progression
2020
IRE1A Stimulates Hepatocyte-Derived Extracellular Vesicles That Promote Inflammation in Mice With Steatohepatitis
Dasgupta D, Nakao Y, Mauer A, Thompson J, Sehrawat T, Liao C, Krishnan A, Lucien F, Guo Q, Liu M, Xue F, Fukushima M, Katsumi T, Bansal A, Pandey M, Maiers J, DeGrado T, Ibrahim S, Revzin A, Pavelko K, Barry M, Kaufman R, Malhi H. IRE1A Stimulates Hepatocyte-Derived Extracellular Vesicles That Promote Inflammation in Mice With Steatohepatitis. Gastroenterology 2020, 159: 1487-1503.e17. PMID: 32574624, PMCID: PMC7666601, DOI: 10.1053/j.gastro.2020.06.031.Peer-Reviewed Original ResearchConceptsX-box binding protein 1Release of EVsHepatocyte-derived extracellular vesiclesSerine palmitoyltransferase genesExtracellular vesiclesSerine palmitoyltransferaseChromatin immunoprecipitationCeramide biosynthesisInflammatory Extracellular VesiclesMonocyte-derived macrophagesUnfolded protein responseNonalcoholic steatohepatitisDiet-induced steatohepatitisGene expression analysisPrimary hepatocytesNumber of EVsBinding protein 1Cultured primary hepatocytesNanoparticle-tracking analysisNanoscale flow cytometryIRE1ALiver tissueRate-limiting enzymeProtein responseExpression analysis