2007
Determinants of Skeletal Age Deviation in a Cross-Sectional Study
Powell S, Ma D, Jones G. Determinants of Skeletal Age Deviation in a Cross-Sectional Study. The Journal Of Clinical Endocrinology & Metabolism 2007, 93: 521-526. PMID: 18056773, DOI: 10.1210/jc.2007-1139.Peer-Reviewed Original ResearchConceptsSkeletal age deviationCross-sectional studyFracture riskBone massBody compositionPopulation-based cross-sectional studyBone-free lean massHabitual physical activitySunlight exposureCorticosteroid useMedication usePerinatal factorsGrip strengthFat massStrenuous exerciseTanner stageTanner-Whitehouse 2 methodLean massPhysical activityHypothesis generatingMilk drinkingMultivariate analysisSignificant associationFemale childrenAge deviation
2006
Investigation of autism and GABA receptor subunit genes in multiple ethnic groups
Collins A, Ma D, Whitehead P, Martin E, Wright H, Abramson R, Hussman J, Haines J, Cuccaro M, Gilbert J, Pericak-Vance M. Investigation of autism and GABA receptor subunit genes in multiple ethnic groups. Neurogenetics 2006, 7: 167-174. PMID: 16770606, PMCID: PMC1513515, DOI: 10.1007/s10048-006-0045-1.Peer-Reviewed Original ResearchConceptsSingle nucleotide polymorphismsReceptor subunit genesGABA receptor subunit genesLevels of GABAAutism patientsMultiple ethnic groupsSeizure activityGABAergic systemSynaptic inhibitionPositive historyGABA receptorsAdult brainEthnic groupsSignificant associationAutistic patientsPatientsNeurodevelopmental disordersCaucasian datasetSignificant allelic associationAutism riskSubset of familiesAfrican AmericansGABRA4AssociationSubunit gene