2011
Dietary protein increases intestinal calcium absorption in part by increasing tight junction expression of Claudin‐2
Gaffney‐Stomberg E, Cucchi C, Sun B, Bataille A, Renfro L, Kerstetter J, Insogna K. Dietary protein increases intestinal calcium absorption in part by increasing tight junction expression of Claudin‐2. The FASEB Journal 2011, 25: 983.30-983.30. DOI: 10.1096/fasebj.25.1_supplement.983.30.Peer-Reviewed Original ResearchHigh-protein dietCaco-2 BBe cellsClaudin-2 expressionCa absorptionCalcium absorptionProtein dietClaudin-2BBE cellsFemale Sprague-Dawley ratsIntestinal calcium absorptionDietary proteinSprague-Dawley ratsTight junction expressionCa transportTight junction proteinsTranscellular Ca transportDietary protein effectsCa-transporting proteinsDuodenal mucosaAcute effectsDay 7MRNA expressionJunction expressionJunction proteinsAmino acids
2010
The Effect of Dietary Protein on Intestinal Calcium Absorption in Rats
Gaffney-Stomberg E, Sun BH, Cucchi CE, Simpson CA, Gundberg C, Kerstetter JE, Insogna KL. The Effect of Dietary Protein on Intestinal Calcium Absorption in Rats. Endocrinology 2010, 151: 1071-1078. PMID: 20147526, PMCID: PMC2840679, DOI: 10.1210/en.2009-0744.Peer-Reviewed Original ResearchConceptsIntestinal Ca absorptionCa absorptionHigh-protein dietUrinary calciumBrush border membrane vesiclesProtein intakeFemale Sprague-Dawley ratsProtein dietProtein intake resultsIntestinal calcium absorptionDietary protein intakeHigh protein intakeSprague-Dawley ratsLow-protein groupHigh protein groupDietary protein effectsCalcium absorptionAcute increaseDawley ratsDuodenal mucosaIntake resultsRatsCa balanceTranscellular CaDietary protein
1997
Parathyroid Hormone Increases Circulating Levels of Fibronectin in Vivo: Modulating Effect of Ovariectomy
Sun B, Mitnick M, Eielson C, Yao G, Paliwal I, Insogna K. Parathyroid Hormone Increases Circulating Levels of Fibronectin in Vivo: Modulating Effect of Ovariectomy. Endocrinology 1997, 138: 3918-3924. PMID: 9275082, DOI: 10.1210/endo.138.9.5421.Peer-Reviewed Original ResearchConceptsLevels of fibronectinEffect of PTHAbility of PTHHuman PTHAdult female Sprague-Dawley ratsFemale Sprague-Dawley ratsCultured fetal rat bonesDiminished bone formationEstrogen-deficient stateHuman PTH-(1-34) infusionSprague-Dawley ratsFN productionFetal rat boneBisphosphonate APDHPTH groupPTH infusionCirculating LevelsAlzet minipumpsEstrogen deficiencyParathyroid hormoneEstrogen withdrawalBone resorptionAnabolic propertiesROS 17/2.8 cellsEffective agonistParathyroid Hormone Increases Circulating Levels of Fibronectin in Vivo: Modulating Effect of Ovariectomy*
Sun B, Mitnick M, Eielson C, Yao G, Paliwal I, Insogna K. Parathyroid Hormone Increases Circulating Levels of Fibronectin in Vivo: Modulating Effect of Ovariectomy*. Endocrinology 1997, 138: 3918-3924. DOI: 10.1210/en.138.9.3918.Peer-Reviewed Original ResearchResponse to PTHEffect of PTHHuman PTHCirculating levelsLevels of FNFN in vivoCultured fetal rat bonesAdult female Sprague-Dawley ratsFemale Sprague-Dawley ratsTreated with PTHVehicle infused groupFN productionEstrogen-deficient stateFetal rat bonesSignificant 2.4-fold increaseBlock bone resorptionSprague-Dawley ratsROS 17/2.8 cellsIn vitro studiesBisphosphonate APDEstrogen deficiencyAlzet minipumpsEstrogen withdrawalLevels in vivoBlunted response