1996
IGF-I stimulation of muscle protein synthesis in the awake rat: permissive role of insulin and amino acids
Jacob R, Hu X, Niederstock D, Hasan S, McNulty PH, Sherwin RS, Young LH. IGF-I stimulation of muscle protein synthesis in the awake rat: permissive role of insulin and amino acids. American Journal Of Physiology 1996, 270: e60-e66. PMID: 8772474, DOI: 10.1152/ajpendo.1996.270.1.e60.Peer-Reviewed Original ResearchConceptsMuscle protein synthesisInsulin replacementPlasma insulinAwake ratsInsulin-like growth factor ICapacity of IGFIGF-I infusionInfusion of IGFAction of IGFSaline control valuesGrowth factor IIGF-I stimulationProtein synthesisIntravenous infusionPlasma concentrationsInsulin concentrationsAmino acid concentrationsIGFPermissive roleInfusionFactor IControl valuesInsulinRatsAmino acids
1992
Physiological hyperinsulinemia inhibits myocardial protein degradation in vivo in the canine heart.
Young LH, Dahl DM, Rauner D, Barrett EJ. Physiological hyperinsulinemia inhibits myocardial protein degradation in vivo in the canine heart. Circulation Research 1992, 71: 393-400. PMID: 1628395, DOI: 10.1161/01.res.71.2.393.Peer-Reviewed Original ResearchConceptsMyocardial protein degradationProtein degradationProtein synthesisMyocardial protein turnoverAmino acid replacementsAcid replacementsProtein turnoverEssential amino acidsAmino acidsPhenylalanine balanceAmino acid concentrationsNet myocardial releaseSpecific activityPhenylalanineVivoDegradationAnimalsBasal rateIsotopic steady statePhysiological hyperinsulinemiaTurnover
1988
Effect of Chronic Diabetes on Myocardial Fuel Metabolism and Insulin Sensitivity
Barrett E, Schwartz R, Young L, Jacob R, Zaret B. Effect of Chronic Diabetes on Myocardial Fuel Metabolism and Insulin Sensitivity. Diabetes 1988, 37: 943-948. PMID: 3290011, DOI: 10.2337/diab.37.7.943.Peer-Reviewed Original ResearchConceptsArterial free fatty acidsFree fatty acidsMyocardial balanceInsulin clampBranched-chain amino acid concentrationsEuglycemic insulin clamp techniqueGlucose uptakeInsulin-induced hypoaminoacidemiaInsulin clamp techniqueInsulin-deficient diabetesPlasma glucose concentrationFuel substrate metabolismSignificant myocardial uptakeEffect of insulinMyocardial fuel metabolismSignificant glucose uptakePhysiologic hyperinsulinemiaBasal periodChronic diabetesDiabetic animalsInsulin sensitivityAcute effectsAdditional dogsAmino acid concentrationsMyocardial uptake