2023
Association between age at menarche and cardiometabolic risk among Samoan adults
Oyama S, Duckham R, Pomer A, Rivara A, Kershaw E, Wood A, Fidow U, Naseri T, Reupena M, Viali S, McGarvey S, Hawley N. Association between age at menarche and cardiometabolic risk among Samoan adults. American Journal Of Human Biology 2023, 36: e23982. PMID: 37668413, PMCID: PMC10845161, DOI: 10.1002/ajhb.23982.Peer-Reviewed Original ResearchConceptsCardiometabolic riskOne-year increaseSubsequent cardiometabolic riskOdds of hypertensionHigher total cholesterolOdds of diabetesOdds of obesityEarly life exposureFat-free massCardiometabolic morbiditySerum lipidsBlood pressureMedian ageMetabolic syndromeTotal cholesterolProspective studyChildhood adiposityInsulin resistanceObesity prevalenceLife exposureSamoan adultsLean massEarly menarcheLogistic regressionMenarcheCross-sectional and prospective associations between household socioeconomic resources, appetite traits, and body size among Samoan infants
Oyama S, Arslanian K, Fidow U, Naseri T, Soti-Ulberg C, Hawley N. Cross-sectional and prospective associations between household socioeconomic resources, appetite traits, and body size among Samoan infants. Appetite 2023, 185: 106519. PMID: 36870391, DOI: 10.1016/j.appet.2023.106519.Peer-Reviewed Original Research
2021
Pacific Islands Families Study: adverse impact of food insecurity on child body composition.
Oyama S, Tautolo E, Tukuitonga C, Rush E. Pacific Islands Families Study: adverse impact of food insecurity on child body composition. The New Zealand Medical Journal 2021, 134: 30-38. PMID: 34695074.Peer-Reviewed Original ResearchConceptsFood insecurityHousehold food insecurityAppendicular skeletal muscle massVisceral adipose tissueAge 14 yearsPacific Islands Families StudyFood insecurity statusFood secure householdsHousehold food insecurity statusBody compositionInsecuritySecure householdsFood securityDual X-ray absorptiometry (DXA) measurementsChildren's body compositionPacific Island mothersSkeletal muscle massYouthVisceral fatWeeks postpartumGreater birthweightAdipose tissueEarly infancyMuscle massLater lifeFactorial validation analysis of the Baby and Children's Eating Behavior Questionnaires in Samoa
Oyama S, Arslanian KJ, Fidow UT, Naseri T, Soti-Ulberg C, Hawley NL. Factorial validation analysis of the Baby and Children's Eating Behavior Questionnaires in Samoa. Eating Behaviors 2021, 42: 101530. PMID: 34051664, PMCID: PMC8380697, DOI: 10.1016/j.eatbeh.2021.101530.Peer-Reviewed Original ResearchConceptsBaby Eating Behaviour QuestionnaireEating Behavior QuestionnaireMonths postpartumChildren's Eating Behaviour QuestionnaireInfant feeding behaviorsMother-infant dyadsBehavior QuestionnaireCEBQ scoresPediatric obesityElimination of factorsPostpartumTime pointsFurther qualitative researchCEBQEarly childhoodPacific IslandersLongitudinal analysisNine-itemMonthsFactor structureLow internal reliabilityInternal reliabilityThree-factor structureExploratory factor analysisQuestionnaire's factor structureFluctuating asymmetry, a marker of poor growth quality, is associated with adult male metabolic rate
Longman D, Oyama S, Cracknell J, Thompson N, Gordon D, Stock J, Wells J. Fluctuating asymmetry, a marker of poor growth quality, is associated with adult male metabolic rate. American Journal Of Biological Anthropology 2021, 175: 646-655. PMID: 33768527, DOI: 10.1002/ajpa.24276.Peer-Reviewed Original ResearchConceptsEnergetic allocationLife-history traitsStrong selective pressureLarge body sizeLife history theoryEnergetic investmentAdult RMRSelective pressureMetabolic rateHistory theoryBody sizePhysiological functionsEvolutionary theoryMetabolic efficiencyMetabolic inefficiencyMetabolic costObserved interindividual variationHuman daily energy expenditureDaily energy expenditureGrowthFATraitsInterindividual variation
2020
Brown Adipose Expansion and Remission of Glycemic Dysfunction in Obese SM/J Mice
Carson C, Macias-Velasco JF, Gunawardana S, Miranda MA, Oyama S, St. Pierre CL, Schmidt H, Wayhart JP, Lawson HA. Brown Adipose Expansion and Remission of Glycemic Dysfunction in Obese SM/J Mice. Cell Reports 2020, 33: 108237. PMID: 33027654, PMCID: PMC7594587, DOI: 10.1016/j.celrep.2020.108237.Peer-Reviewed Original ResearchConceptsJ miceGlycemic dysfunctionSM/J miceGlycemic controlAdipose expansionImpairs insulin sensitivityBrown adipose depotsHigh-fat dietPoor glucose homeostasisWeeks of ageMetabolic complicationsPersistent obesityInsulin sensitivityGlucose homeostasisAdipose depotsInnovative therapiesDysfunctionObesityMiceRemissionGlucose sinkTranscriptomic changesComplicationsTherapy