2016
Hypophosphatemia promotes lower rates of muscle ATP synthesis
Pesta DH, Tsirigotis DN, Befroy DE, Caballero D, Jurczak MJ, Rahimi Y, Cline GW, Dufour S, Birkenfeld AL, Rothman DL, Carpenter TO, Insogna K, Petersen KF, Bergwitz C, Shulman GI. Hypophosphatemia promotes lower rates of muscle ATP synthesis. The FASEB Journal 2016, 30: 3378-3387. PMID: 27338702, PMCID: PMC5024687, DOI: 10.1096/fj.201600473r.Peer-Reviewed Original ResearchConceptsMuscle ATP synthesisATP synthesisMuscle weaknessIsolated muscle mitochondriaSolute carrier familyWild-type littermate controlsSolute carrier family 34Carrier familyLower ratesInsulin-stimulated ratesMuscle mitochondriaChronic hypophosphatemiaHeart failureHypophosphatemic groupHypophosphatemic miceHypophosphatemiaLittermate controlsKnockout miceBlood PLow ratePlasma PPatientsSimilar findingsMember 1Plasma inorganic phosphate
2008
The Anabolic Response to Parathyroid Hormone Is Augmented in Rac2 Knockout Mice
Kawano T, Troiano N, Adams DJ, Wu JJ, Sun BH, Insogna K. The Anabolic Response to Parathyroid Hormone Is Augmented in Rac2 Knockout Mice. Endocrinology 2008, 149: 4009-4015. PMID: 18467443, PMCID: PMC2488220, DOI: 10.1210/en.2008-0034.Peer-Reviewed Original ResearchConceptsAnabolic responseType 1 collagenWild-type animalsPTH treatmentKnockout miceResorptive activityAvailable anabolic therapyTotal bone densityAge-matched wild-type animalsSerum aminoterminal propeptideWild-type groupRac2 knockout miceGroups of animalsAnabolic therapyParathyroid hormoneResorptive responseSerum markersOsteoclast numberTherapeutic responseAminoterminal propeptideBone massBone densitySkeletal responseCortical thicknessGenetic absence
2007
Glucose-dependent insulinotropic peptide-overexpressing transgenic mice have increased bone mass
Xie D, Zhong Q, Ding KH, Cheng H, Williams S, Correa D, Bollag WB, Bollag RJ, Insogna K, Troiano N, Coady C, Hamrick M, Isales CM. Glucose-dependent insulinotropic peptide-overexpressing transgenic mice have increased bone mass. Bone 2007, 40: 1352-1360. PMID: 17321229, DOI: 10.1016/j.bone.2007.01.007.Peer-Reviewed Original ResearchConceptsGlucose-dependent insulinotropic peptideBone massGIP receptorBone resorptionBone formationNutrient ingestionTransgenic miceGIP receptor knockout miceLow bone mass phenotypeReceptor knockout miceBone mass phenotypeSignificant increaseCollagen type I synthesisGIP levelsInsulinotropic peptideAnabolic hormonesOsteoclastic activityMouse modelDietary zincMass phenotypeKnockout miceReceptor signalingReceptors resultsMiceHormone
2005
Glucose-dependent insulinotropic polypeptide receptor knockout mice have altered bone turnover
Xie D, Cheng H, Hamrick M, Zhong Q, Ding KH, Correa D, Williams S, Mulloy A, Bollag W, Bollag RJ, Runner RR, McPherson JC, Insogna K, Isales CM. Glucose-dependent insulinotropic polypeptide receptor knockout mice have altered bone turnover. Bone 2005, 37: 759-769. PMID: 16219496, DOI: 10.1016/j.bone.2005.06.021.Peer-Reviewed Original ResearchConceptsGlucose-dependent insulinotropic polypeptideGipr-/- miceReceptor knockout miceBone turnoverBone massGlucose-dependent insulinotropic polypeptide receptor knockout miceKnockout miceRole of GIPGIP receptor knockout miceEffects of GIPLow bone massBiomechanical bone strengthWild-type miceLean body massEarly age-related changesAge-related changesIncretin hormonesSerum markersMeal ingestionInsulinotropic polypeptideAnabolic effectsBone densityBone microarchitectureNutrient ingestionVivo effects