Gelsina Stanley
About
Research
Publications
2024
Intense exercise increases dopamine transporter and neuromelanin concentrations in the substantia nigra in Parkinson’s disease
de Laat B, Hoye J, Stanley G, Hespeler M, Ligi J, Mohan V, Wooten D, Zhang X, Nguyen T, Key J, Colonna G, Huang Y, Nabulsi N, Patel A, Matuskey D, Morris E, Tinaz S. Intense exercise increases dopamine transporter and neuromelanin concentrations in the substantia nigra in Parkinson’s disease. Npj Parkinson's Disease 2024, 10: 34. PMID: 38336768, PMCID: PMC10858031, DOI: 10.1038/s41531-024-00641-1.Peer-Reviewed Original ResearchDopamine transporterSubstantia nigraDopaminergic neuronsDopamine transporter availabilityNeuroprotective effects of exerciseDopaminergic systemClinical progression of PDEarly PDSubstantiaNeuromelanin contentNigraLoss of dopaminergic neuronsEffects of exerciseNM-MRIDopamineSystem of patientsProgressive loss of dopaminergic neuronsParkinson's diseaseClinical progressionProgression of PDNeuroprotective effectsClinical trialsIntensity exercisePET imagingProgressive loss
2023
Measuring Heart Rate Accurately in Patients With Parkinson Disease During Intense Exercise: Usability Study of Fitbit Charge 4
Colonna G, Hoye J, de Laat B, Stanley G, Ibrahimy A, Tinaz S, Morris E. Measuring Heart Rate Accurately in Patients With Parkinson Disease During Intense Exercise: Usability Study of Fitbit Charge 4. JMIR Biomedical Engineering 2023, 8: e51515. PMID: 38875680, PMCID: PMC11041416, DOI: 10.2196/51515.Peer-Reviewed Original ResearchTheoretical maximum heart rateHeart rateParkinson's diseaseExercise sessionsIntense exerciseExercise programExercise intensityHigh-intensity exercise sessionsEarly-stage Parkinson's diseaseIntensive exercise programAerobic physical exerciseCohort of patientsBackground Parkinson’s diseaseRole of exerciseHigh-intensity exerciseCommon neurodegenerative diseaseMean heart rateMaximum heart rateHR monitorAverage heart rateR interval measurementRecent pilot studyPolar H10Nonmotor symptomsClinical cohort
2022
Systemic inflammation enhances stimulant-induced striatal dopamine elevation in tobacco smokers
Zakiniaeiz Y, Hoye J, Ryan Petrulli J, LeVasseur B, Stanley G, Gao H, Najafzadeh S, Ropchan J, Nabulsi N, Huang Y, Chen MK, Matuskey D, Barron DS, Kelmendi B, Fulbright RK, Hampson M, Cosgrove KP, Morris ED. Systemic inflammation enhances stimulant-induced striatal dopamine elevation in tobacco smokers. Brain Behavior And Immunity 2022, 106: 262-269. PMID: 36058419, PMCID: PMC10097458, DOI: 10.1016/j.bbi.2022.08.016.Peer-Reviewed Original ResearchConceptsEffects of LPSDopamine elevationTobacco smokersHealthy controlsSystemic inflammationDopamine systemImmune-brain interactionReward-related brain regionsAdministration of placeboAdministration of LPSSmoking statusRepeated-measures ANOVAPathophysiology of addictionDrug dosingPlaceboIndependent cohortSmokersDrug reinforcementEffect size determinationImmune systemRandomized orderBrain regionsLPSMethylphenidatePBO conditionHarmonization of [11C]raclopride brain PET images from the HR+ and HRRT: method development and validation in human subjects
Hoye J, Toyonaga T, Zakiniaeiz Y, Stanley G, Hampson M, Morris ED. Harmonization of [11C]raclopride brain PET images from the HR+ and HRRT: method development and validation in human subjects. EJNMMI Physics 2022, 9: 27. PMID: 35416555, PMCID: PMC9008103, DOI: 10.1186/s40658-022-00457-z.Peer-Reviewed Original ResearchHuman subjectsNon-displaceable binding potentialPET imaging studiesTest-retest variabilityHarmonization studyStriatal BPNDPercent differenceImaging studiesResultsExperiment 1Inter-scanner variabilityBrain PET imagesBPND estimatesSubjectsOngoing needPET imagesRT variabilityBinding potentialPD resultsBackgroundThereBPNDRTChronic pain precedes disrupted eating behavior in low-back pain patients
Lin Y, De Araujo I, Stanley G, Small D, Geha P. Chronic pain precedes disrupted eating behavior in low-back pain patients. PLOS ONE 2022, 17: e0263527. PMID: 35143525, PMCID: PMC8830732, DOI: 10.1371/journal.pone.0263527.Peer-Reviewed Original ResearchConceptsLow back pain patientsChronic low back pain patientsFat-rich foodsPain patientsChronic painCLBP patientsSBP patientsNucleus accumbensBack pain patientsChronic pain patientsHealthy control subjectsNucleus accumbens volumePain chronificationFat ingestionHedonic feedingPatient populationAccumbens volumeControl subjectsLimbic brainPainEarly coursePatientsBehavioral alterationsHedonic perceptionNeurological standpoint