2014
Supplementing a Low-Protein Diet with Dibasic Amino Acids Increases Urinary Calcium Excretion in Young Women 1,2
Bihuniak JD, Sullivan RR, Simpson CA, Caseria DM, Huedo-Medina TB, O’Brien K, Kerstetter JE, Insogna KL. Supplementing a Low-Protein Diet with Dibasic Amino Acids Increases Urinary Calcium Excretion in Young Women 1,2. Journal Of Nutrition 2014, 144: 282-288. PMID: 24431325, PMCID: PMC3927545, DOI: 10.3945/jn.113.185009.Peer-Reviewed Original ResearchConceptsIntestinal calcium absorptionLow-protein dietCalcium absorptionDual-stable calcium isotopesYoung womenUrinary calcium excretionDietary proteinControl diet periodAmino acid L-arginineHigh-protein dietAmino acid L-tryptophanCalcium excretionDiet periodClinical trialsSupplementation periodL-arginineDay 5Control dietRandom orderPhysiologic rangeDietTrialsWomenPossible benefitsL-tryptophan
2013
The effect of selective amino acid supplementation on calcium absorption during a low protein diet
Bihuniak J, Sullivan R, Simpson C, Caseria D, O'Brien K, Kerstetter J, Insogna K. The effect of selective amino acid supplementation on calcium absorption during a low protein diet. The FASEB Journal 2013, 27: lb283-lb283. DOI: 10.1096/fasebj.27.1_supplement.lb283.Peer-Reviewed Original ResearchLow-protein dietIntestinal Ca absorptionCa absorptionProtein dietProtein intakeDietary protein intakeHigh-protein dietAmino acid supplementationCalcium absorptionAcid supplementationDay 5Dibasic amino acidsAA supplementationYoung womenControl dietRandom orderPhysiologic rangeDietary proteinIntakeDietSupplementationAmino acidsAromatic amino acidsCa economyLys supplementation
2010
Six Weeks of a Low Protein Diet Impairs Calcium Homeostasis
Sullivan R, Rosewater I, Caseria D, O'Brien K, Kerstetter J, Insogna K. Six Weeks of a Low Protein Diet Impairs Calcium Homeostasis. The FASEB Journal 2010, 24: lb356-lb356. DOI: 10.1096/fasebj.24.1_supplement.lb356.Peer-Reviewed Original ResearchLow-protein dietProtein dietCalcium absorptionDual-stable calcium isotopesImpairs calcium homeostasisIntestinal calcium absorptionNegative bone balanceWeek 6.5Diet intervention trialLong-term ingestionUrinary calciumMetabolic kitchenBone lossVitamin DIntervention trialsStable calcium isotopesCalcium metabolismBone resorptionBone balanceIntestinal absorptionWeek 1Skeletal turnoverCalcium homeostasisMineral homeostasisYoung women
1999
Changes in Bone Turnover in Young Women Consuming Different Levels of Dietary Protein1
Kerstetter J, Mitnick M, Gundberg C, Caseria D, Ellison A, Carpenter T, Insogna K. Changes in Bone Turnover in Young Women Consuming Different Levels of Dietary Protein1. The Journal Of Clinical Endocrinology & Metabolism 1999, 84: 1052-1055. PMID: 10084594, DOI: 10.1210/jcem.84.3.5552.Peer-Reviewed Original ResearchUrinary N-telopeptide excretionBone-specific alkaline phosphataseN-telopeptide excretionUrinary calcium excretionBone turnoverLow-protein dietCalcium excretionUrinary calciumProtein dietBone resorptionDietary proteinYoung womenHealthy young womenNegative calcium balanceLow protein intakeHigh-protein dietAlkaline phosphataseSecondary hyperparathyroidismSerum PTHSerum osteocalcinDihydroxyvitamin DCalcium balanceProtein intakeCompensatory increaseDay 4
1998
Dietary protein affects intestinal calcium absorption 1 , 2 – 3
Kerstetter JE, O'Brien KO, Insogna KL. Dietary protein affects intestinal calcium absorption 1 , 2 – 3. American Journal Of Clinical Nutrition 1998, 68: 859-865. PMID: 9771863, DOI: 10.1093/ajcn/68.4.859.Peer-Reviewed Original ResearchConceptsFractional calcium absorptionLow-protein dietUrinary calcium excretionCalcium absorptionDay 4Calcium excretionSecondary hyperparathyroidismDietary proteinDual-stable calcium isotopesGlomerular filtration rateIntestinal calcium absorptionHigh-protein dietCalcitropic hormonesCalcium metabolismAdditional womenFiltration rateIntestinal absorptionDay 5Young womenRandom orderDietHyperparathyroidismExperimental dietsDietary fiberExcretion
1997
Increased circulating concentrations of parathyroid hormone in healthy, young women consuming a protein-restricted diet
Kerstetter J, Caseria D, Mitnick M, Ellison A, Gay L, Liskov T, Carpenter T, Insogna K. Increased circulating concentrations of parathyroid hormone in healthy, young women consuming a protein-restricted diet. American Journal Of Clinical Nutrition 1997, 66: 1188-1196. PMID: 9356538, DOI: 10.1093/ajcn/66.5.1188.Peer-Reviewed Original ResearchConceptsLow-protein dietHigh-protein dietSerum PTHDietary proteinMedium protein dietCyclic adenosine monophosphateDay 4Nephrogenous cyclic adenosine monophosphateYoung womenIntestinal calcium absorptionNegative calcium balanceProtein-restricted dietSerum calcitriolUrinary calciumCalcitropic hormonesHealthy womenParathyroid hormoneBone turnSkeletal healthPTH bioactivityCalcium absorptionCalcium metabolismProtein restrictionRenal mechanismsMineral metabolism