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
1995
Hyperinsulinemia inhibits myocardial protein degradation in patients with cardiovascular disease and insulin resistance.
McNulty P, Louard R, Deckelbaum L, Zaret B, Young L. Hyperinsulinemia inhibits myocardial protein degradation in patients with cardiovascular disease and insulin resistance. Circulation 1995, 92: 2151-6. PMID: 7554195, DOI: 10.1161/01.cir.92.8.2151.Peer-Reviewed Original ResearchConceptsMyocardial protein degradationInsulin infusionCardiovascular diseaseMyocardial protein synthesisInsulin resistancePhenylalanine balanceMyocardial hypertrophyWhole-body glucose metabolismCoronary artery diseaseIschemic heart diseasePlasma insulin concentrationNet phenylalanine balanceWhole-body carbohydrate metabolismEffect of insulinMyocardial protein metabolismArtery diseaseAcute hyperinsulinemiaProtein synthesisHeart diseaseInsulin concentrationsPlasma concentrationsAntiproteolytic actionHyperinsulinemiaGlucose metabolismConstant infusion
1987
An isotopic method for measurement of muscle protein synthesis and degradation in vivo
Barrett EJ, Revkin JH, Young LH, Zaret BL, Jacob R, Gelfand RA. An isotopic method for measurement of muscle protein synthesis and degradation in vivo. Biochemical Journal 1987, 245: 223-228. PMID: 3663148, PMCID: PMC1148103, DOI: 10.1042/bj2450223.Peer-Reviewed Original ResearchConceptsNet amino acid releaseFemoral venous plasmaTissue blood flowAmino acid releaseMuscle protein synthesisHindlimb flowTissue protein degradationSpecific radioactivityContinuous infusionUptake of leucineMuscle bedArterial circulationClinical studiesPlasma concentrationsDog hindlimbBlood flowProtein synthesisAcid releaseHindlimbProtein turnoverTissue proteinsPhenylalanine incorporationRemoval of tracerMuscle tissueDogs