2011
Dietary Protein’s Impact on Skeletal Health
Surdykowski A, Kenney A, Insogna K, Kerstetter J. Dietary Protein’s Impact on Skeletal Health. 2011, 237-246. DOI: 10.1201/b11228-18.Peer-Reviewed Original ResearchInsulin-like growth factor-1Skeletal healthLoss of calciumUrinary calcium excretionIntestinal calcium absorptionNegative calcium balanceGrowth factor-1Skeletal storesCalcium excretionVitamin DDietary calciumMuscle strengthCalcium absorptionCalcium metabolismSystemic acidosisBone balanceCalcium balanceHigh intakeDietary proteinFactor 1HealthIntense investigationCalciumProtein impactMetabolismDietary protein and skeletal health: a review of recent human research
Kerstetter JE, Kenny AM, Insogna KL. Dietary protein and skeletal health: a review of recent human research. Current Opinion In Lipidology 2011, 22: 16-20. PMID: 21102327, PMCID: PMC4659357, DOI: 10.1097/mol.0b013e3283419441.BooksConceptsSkeletal healthBone healthDietary proteinBone resorptionCalcium retentionInsulin-like growth factor-1Recent human researchOsteoclastic bone resorptionBone mineral densityHigh protein intakeLean body massGrowth factor-1High-protein dietMeta-analysis studyVitamin DDietary calciumCalcium absorptionCalcium metabolismBone metabolismClinical trialsMineral densityBone balanceBone massMetabolic acid loadSystemic pH
2010
Optimizing bone health in older adults: the importance of dietary protein
Surdykowski AK, Kenny AM, Insogna KL, Kerstetter JE. Optimizing bone health in older adults: the importance of dietary protein. Aging Health 2010, 6: 345-357. PMID: 20657805, PMCID: PMC2907525, DOI: 10.2217/ahe.10.16.BooksBone healthBone lossDietary proteinAge-related bone lossDietary protein recommendationsSkeletal healthVitamin DDietary calciumMuscle strengthCalcium absorptionCalcium metabolismBone balanceIGF-1Protein intakeProtein recommendationsOlder adultsHealthModerate increasePivotal roleOsteoporosisProtein contributesProteinIntakeSix 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
2009
Increasing Dietary Protein Requirements in Elderly People for Optimal Muscle and Bone Health
Gaffney‐Stomberg E, Insogna KL, Rodriguez NR, Kerstetter JE. Increasing Dietary Protein Requirements in Elderly People for Optimal Muscle and Bone Health. Journal Of The American Geriatrics Society 2009, 57: 1073-1079. PMID: 19460090, DOI: 10.1111/j.1532-5415.2009.02285.x.BooksConceptsRecommended Dietary AllowanceCurrent Recommended Dietary AllowanceDietary proteinImportant public health goalOlder individualsInsulin-like growth factorElderly peopleNormal calcium metabolismLoss of boneMuscle protein synthesisShort-term proteinMaintenance of musclePublic health goalsRenal functionBone healthSignificant morbidityCalcium absorptionCalcium metabolismSupplement trialAnabolic effectsClinical studiesProtein adequacyAnabolic responseProtein intakeMuscle mass
2003
Dietary protein, calcium metabolism, and skeletal homeostasis revisited
Kerstetter JE, O'Brien KO, Insogna KL. Dietary protein, calcium metabolism, and skeletal homeostasis revisited. American Journal Of Clinical Nutrition 2003, 78: s584-s592. PMID: 12936953, DOI: 10.1093/ajcn/78.3.584s.BooksConceptsIntestinal calcium absorptionDietary protein intakeCalcium absorptionProtein intakeDietary proteinBone resorptionHigher dietary protein intakeSerum parathyroid hormoneUrinary calcium excretionCalcium balance studiesReduced bone densityRecent epidemiologic studiesLow protein intakeDiet-induced changesLow-protein dietCalcium excretionSecondary hyperparathyroidismCalcium intakeUrinary calciumParathyroid hormoneBone lossSkeletal healthCalcium metabolismDietary trialMineral metabolismLow Protein Intake: The Impact on Calcium and Bone Homeostasis in Humans
Kerstetter JE, O'Brien KO, Insogna KL. Low Protein Intake: The Impact on Calcium and Bone Homeostasis in Humans. Journal Of Nutrition 2003, 133: 855s-861s. PMID: 12612169, DOI: 10.1093/jn/133.3.855s.BooksConceptsIntestinal calcium absorptionLow-protein dietCalcium absorptionHigh-protein dietProtein dietSecondary hyperparathyroidismUrinary calciumBone resorptionDietary proteinAdditional urinary calciumDietary protein resultsSerum parathyroid hormoneNutrition intervention trialCalcium balance studiesRecent epidemiological studiesLow protein intakeNutrition intervention studiesParathyroid hormoneBone lossSkeletal healthIntervention trialsCalcium metabolismSkeletal fracturesBone densityLong-term consequences
1999
Bone Densities in Patients Receiving Isotretinoin for Cystic Acne
Leachman SA, Insogna KL, Katz L, Ellison A, Milstone LM. Bone Densities in Patients Receiving Isotretinoin for Cystic Acne. JAMA Dermatology 1999, 135: 961-965. PMID: 10456346, DOI: 10.1001/archderm.135.8.961.Peer-Reviewed Original ResearchConceptsCystic acneBone densityWard's triangleCalcium metabolismHealthy control subjectsYoung menIsotretinoin useOral isotretinoinPatient groupControl subjectsMean changeHealthy volunteersControl groupAcnePatientsMeasurable alterationsIsotretinoinFurther studiesOsteoporosisDecreased densityRetinoidsMetabolismMenBoneDirect effect
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
1996
Designing an Outpatient Research Diet to Enhance Dietary Compliance
Caseria D, Gay L, Liskov T, Marshall L, Insogna K, Kerstetter J. Designing an Outpatient Research Diet to Enhance Dietary Compliance. Journal Of The Academy Of Nutrition And Dietetics 1996, 96: a77. DOI: 10.1016/s0002-8223(96)00582-2.Peer-Reviewed Original ResearchDietary complianceCalcium metabolismDietary proteinResearch dietsExperimental dietsUnusual physical activityMedication useHealthy womenMetabolic kitchenOutpatient basisExperimental periodMenstrual periodStudy protocolUrinary nitrogen excretionCaloric intakeResearch dietitianPhysical activityBody weightLevels of proteinRandom orderFood requestsDietDaily log sheetsUrinary nitrogenDietitians
1992
Serum Parathyroid Hormone Level Is Elevated in Some Patients With Disorders of Keratinization
Milstone LM, Ellison AF, Insogna KL. Serum Parathyroid Hormone Level Is Elevated in Some Patients With Disorders of Keratinization. JAMA Dermatology 1992, 128: 926-930. PMID: 1320849, DOI: 10.1001/archderm.1992.01680170058005.Peer-Reviewed Original ResearchConceptsDisorders of keratinizationPityriasis rubra pilarisPTH levelsSecondary hyperparathyroidismPTH valuesSerum parathyroid hormone levelsNormal PTH valuesParathyroid hormone valuesSerum PTH valuesParathyroid hormone levelsSerum PTH levelsElevated PTH levelsHigh calcium dietIchthyosis linearis circumflexaCongenital ichthyosiform erythrodermaSecond patientBullous congenital ichthyosiform erythrodermaExact prevalenceCalcium metabolismHormone valuesHormone levelsPatientsActive PTHPhysiologic significanceDifferent disorders
1991
Treatment of Sarcoidosis-Associated Hypercalcemia With Ketoconazole
Bia M, Insogna K. Treatment of Sarcoidosis-Associated Hypercalcemia With Ketoconazole. American Journal Of Kidney Diseases 1991, 18: 702-705. PMID: 1962657, DOI: 10.1016/s0272-6386(12)80613-5.Peer-Reviewed Original ResearchConceptsAngiotensin-converting enzyme levelsACE levelsSide effectsLong-term side effectsDihydroxyvitamin D levelsLiver function testsSymptom-free intervalSerum ACE levelsSerum testosterone levelsSerum cortisol levelsLong-term usePatient's hypercalcemiaCorticosteroid treatmentDisease activityKetoconazole therapySerum creatinineFunction testsPersistent elevationD levelsRapid recurrenceCalcium metabolismKetoconazole treatmentTestosterone levelsHypercalcemiaLarge dose