Maria Johnson, MBA
Research Associate Internal Medicine CardiologyCards
About
Research
Publications
2024
Benefits of calorie restriction in mice are mediated via energy imbalance, not absolute energy or protein intake
Smith D, Mitchell S, Johnson M, Gibbs V, Dickinson S, Henschel B, Li R, Kaiser K, Chusyd D, Brown A, Allison D, Speakman J, Nagy T. Benefits of calorie restriction in mice are mediated via energy imbalance, not absolute energy or protein intake. GeroScience 2024, 46: 4809-4826. PMID: 38850387, PMCID: PMC11336014, DOI: 10.1007/s11357-024-01166-4.Peer-Reviewed Original ResearchProtein intakeCaloric restrictionPair-fedTNF-a levelsMale C57BL/6J miceBenefits of CRFat massC57BL/6J miceLean massTNF-aIGF-1Energy imbalanceMiceCalorie restrictionBenefits of calorie restrictionPhysical activityIntakeLongevity benefitsBody temperatureProtein intake per sePhysiological benefitsProteinLeptinExtended longevityHypothalamus
2014
Energy expenditure in obese and weight cycled mice (640.5)
Chusyd D, Johnson M, Smith D, Yang Y, Allison D, Nagy T. Energy expenditure in obese and weight cycled mice (640.5). The FASEB Journal 2014, 28 DOI: 10.1096/fasebj.28.1_supplement.640.5.Peer-Reviewed Original ResearchResting Energy ExpenditureWeight regainEnergy expenditureHigher resting energy expenditureNon-resting energy expenditureWeight-cycled miceFat free massTime pointsMale C57BL/6J miceDiet-induced obesityTotal energy expenditureHigh-fat dietFat massC57BL/6J miceLean massFree massRespiratory exchange ratioCaloric restrictionFat dietWeight cyclingWeight lossMiceBody weightAgeExchange ratio
2009
Precision and accuracy of bioimpedance spectroscopy for determination of in vivo body composition in rats.
Smith D, Johnson M, Nagy T. Precision and accuracy of bioimpedance spectroscopy for determination of in vivo body composition in rats. Body Composition Research 2009, 7: 21-26. PMID: 19668348, PMCID: PMC2722071.Peer-Reviewed Original ResearchFat-free massTotal body waterChemical carcass analysisFat massBioelectrical impedance analysisBody compositionBioimpedance spectroscopyCalculation of fat-free massBody composition measurementsRegression analysisExtracellular fluidGroups of ratsBioimpedance spectroscopy deviceAccuracy of bioimpedance spectroscopyPaired t-testIndependent cohortValidation groupCross-validation groupRatsBIS readingsLinear regression analysisValidation studyBody waterBody compartmentsT-test
2008
Micro‐computed tomographic analysis of bone healing subsequent to graft placement
Chopra P, Johnson M, Nagy T, Lemons J. Micro‐computed tomographic analysis of bone healing subsequent to graft placement. Journal Of Biomedical Materials Research Part B Applied Biomaterials 2008, 88B: 611-618. PMID: 18837447, DOI: 10.1002/jbm.b.31232.Peer-Reviewed Original ResearchConceptsGraft materialEndosteal implant placementParticulate graft materialHealing boneMicro-computed tomographicBone volume ratioImplant placementMaxillary sinusImplant treatmentClinical outcomesGraft volumeHistomorphometric studyGraftBoneBone coresGraft biomaterialsGraft distributionThree-dimensional imagesTCP materialHow Are Our Hospitals Measuring Up?
Johnson MA, Normand SL, Krumholz HM. How Are Our Hospitals Measuring Up? Circulation 2008, 118: e498-e500. PMID: 18725493, DOI: 10.1161/circulationaha.108.804872.Peer-Reviewed Original Research
2001
Living fast and dying old: cross sectional variation in daily energy expenditure is positively linked to lifespan in female mice
Speakman J, Snart S, Selman C, McLaren J, Redman P, Krol E, Jackson D, Johnson M. Living fast and dying old: cross sectional variation in daily energy expenditure is positively linked to lifespan in female mice. 2001, 269-272. DOI: 10.1163/9789004683600_066.Peer-Reviewed Original Research
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