Restoring Systemic GDF11 Levels Reverses Age-Related Dysfunction in Mouse Skeletal Muscle
Sinha M, Jang Y, Oh J, Khong D, Wu E, Manohar R, Miller C, Regalado S, Loffredo F, Pancoast J, Hirshman M, Lebowitz J, Shadrach J, Cerletti M, Kim M, Serwold T, Goodyear L, Rosner B, Lee R, Wagers A. Restoring Systemic GDF11 Levels Reverses Age-Related Dysfunction in Mouse Skeletal Muscle. Science 2014, 344: 649-652. PMID: 24797481, PMCID: PMC4104429, DOI: 10.1126/science.1251152.Peer-Reviewed Original ResearchConceptsGDF11 levelsSystemic delivery of recombinant proteinsAged miceSkeletal muscleStem cell dysfunctionAged muscle stem cellsDelivery of recombinant proteinsMuscle stem cellsGrowth differentiation factor 11Differentiation factor 11Parabiosis experimentsSystemic deliveryMouse skeletal muscleImpaired regenerationSatellite cellsCell dysfunctionExercise capacityHeterochronic parabiosisYoung bloodStem cellsFactor 11Regenerative functionMiceMuscle agingRejuvenation factorVascular and Neurogenic Rejuvenation of the Aging Mouse Brain by Young Systemic Factors
Katsimpardi L, Litterman N, Schein P, Miller C, Loffredo F, Wojtkiewicz G, Chen J, Lee R, Wagers A, Rubin L. Vascular and Neurogenic Rejuvenation of the Aging Mouse Brain by Young Systemic Factors. Science 2014, 344: 630-634. PMID: 24797482, PMCID: PMC4123747, DOI: 10.1126/science.1251141.Peer-Reviewed Original ResearchConceptsAssociated with reduced blood flowImproved olfactory discriminationAdult central nervous systemDecline of neurogenesisAged mouse brainAge-related declineCentral nervous systemNegative effects of agingNeural stem cellsOlfactory discriminationAge-related decline of neurogenesisCognitive functionAged miceIncreased neurogenesisNeural stem cell behaviorVascular remodelingSecreted factorsEffects of ageEnhanced neurogenesisYoung bloodStem cellsStem cell behaviorBlood flowNeurogenic nicheNervous system