2021
Ketogenic diet restrains aging-induced exacerbation of coronavirus infection in mice
Ryu S, Shchukina I, Youm YH, Qing H, Hilliard B, Dlugos T, Zhang X, Yasumoto Y, Booth CJ, Fernández-Hernando C, Suárez Y, Khanna K, Horvath TL, Dietrich MO, Artyomov M, Wang A, Dixit VD. Ketogenic diet restrains aging-induced exacerbation of coronavirus infection in mice. ELife 2021, 10: e66522. PMID: 34151773, PMCID: PMC8245129, DOI: 10.7554/elife.66522.Peer-Reviewed Original ResearchConceptsΓδ T cellsKetogenic dietCoronavirus infectionAged miceT cellsHigher systemic inflammationInfected aged miceCOVID-19 severityCOVID-19 infectionActivation of ketogenesisMouse hepatitis virus strain A59Systemic inflammationInflammatory damageInfluenza infectionClinical hallmarkNLRP3 inflammasomeImmune surveillanceAdipose tissuePotential treatmentInfectionMiceStrongest predictorLungMortalityAge
2019
GDF15 Is an Inflammation-Induced Central Mediator of Tissue Tolerance
Luan HH, Wang A, Hilliard B, Carvalho F, Rosen CE, Ahasic A, Herzog E, Kang I, Pisani MA, Yu S, Zhang C, Ring A, Young L, Medzhitov R. GDF15 Is an Inflammation-Induced Central Mediator of Tissue Tolerance. Cell 2019, 178: 1231-1244.e11. PMID: 31402172, PMCID: PMC6863354, DOI: 10.1016/j.cell.2019.07.033.Peer-Reviewed Original ResearchConceptsViral infectionTriglyceride metabolismImpaired cardiac functionRole of GDF15Differentiation factor 15Plasma triglyceride levelsSympathetic outflowInflammatory damageTriglyceride levelsCardiac functionInflammatory responseExogenous administrationProtective effectFactor 15GDF15Central mediatorTissue toleranceBody temperatureInfectionMetabolismSepsisInflammationAdministrationHormoneNot the usual suspect: type I interferon–responsive T cells drive infection-induced cachexia
Wang A, Medzhitov R. Not the usual suspect: type I interferon–responsive T cells drive infection-induced cachexia. Nature Immunology 2019, 20: 666-667. PMID: 31110313, DOI: 10.1038/s41590-019-0374-5.Peer-Reviewed Original ResearchCounting Calories: The Cost of Inflammation
Wang A, Medzhitov R. Counting Calories: The Cost of Inflammation. Cell 2019, 177: 223-224. PMID: 30951664, DOI: 10.1016/j.cell.2019.03.022.Peer-Reviewed Original Research
2016
Opposing Effects of Fasting Metabolism on Tissue Tolerance in Bacterial and Viral Inflammation
Wang A, Huen SC, Luan HH, Yu S, Zhang C, Gallezot JD, Booth CJ, Medzhitov R. Opposing Effects of Fasting Metabolism on Tissue Tolerance in Bacterial and Viral Inflammation. Cell 2016, 166: 1512-1525.e12. PMID: 27610573, PMCID: PMC5555589, DOI: 10.1016/j.cell.2016.07.026.Peer-Reviewed Original ResearchConceptsNutritional supplementationMagnitude of inflammationRole of anorexiaViral inflammationViral sepsisStereotypic behavioral responsesAcute infectionBacterial sepsisInfluenza infectionInflammatory stateSickness behaviorViral infectionFamiliar symptomsGlucose utilizationHost defenseAnorexiaInfectionViral modelSepsisTissue toleranceInflammationSocial withdrawalSupplementationMetabolic requirementsPathogen load