2013
Deficiency of Asparagine Synthetase Causes Congenital Microcephaly and a Progressive Form of Encephalopathy
Ruzzo EK, Capo-Chichi JM, Ben-Zeev B, Chitayat D, Mao H, Pappas AL, Hitomi Y, Lu YF, Yao X, Hamdan FF, Pelak K, Reznik-Wolf H, Bar-Joseph I, Oz-Levi D, Lev D, Lerman-Sagie T, Leshinsky-Silver E, Anikster Y, Ben-Asher E, Olender T, Colleaux L, Décarie JC, Blaser S, Banwell B, Joshi RB, He XP, Patry L, Silver RJ, Dobrzeniecka S, Islam MS, Hasnat A, Samuels ME, Aryal DK, Rodriguiz RM, Jiang YH, Wetsel WC, McNamara JO, Rouleau GA, Silver DL, Lancet D, Pras E, Mitchell GA, Michaud JL, Goldstein DB. Deficiency of Asparagine Synthetase Causes Congenital Microcephaly and a Progressive Form of Encephalopathy. Neuron 2013, 80: 429-441. PMID: 24139043, PMCID: PMC3820368, DOI: 10.1016/j.neuron.2013.08.013.Peer-Reviewed Original ResearchConceptsCongenital microcephalyProgressive cerebral atrophyStructural brain abnormalitiesCerebral atrophyNeuronal damageEnhanced excitabilityIntractable seizuresAsparagine depletionNeurological impairmentBrain abnormalitiesCortical thicknessLoss of functionASNS deficiencyProgressive formMutant micePatient phenotypesIntellectual disabilityASNS geneMicrocephalyMissense mutationsBrainDeficiencyAspartate/MutationsRecessive mutations
1998
Mutation of the Angelman Ubiquitin Ligase in Mice Causes Increased Cytoplasmic p53 and Deficits of Contextual Learning and Long-Term Potentiation
Jiang Y, Armstrong D, Albrecht U, Atkins C, Noebels J, Eichele G, Sweatt J, Beaudet A. Mutation of the Angelman Ubiquitin Ligase in Mice Causes Increased Cytoplasmic p53 and Deficits of Contextual Learning and Long-Term Potentiation. Neuron 1998, 21: 799-811. PMID: 9808466, DOI: 10.1016/s0896-6273(00)80596-6.Peer-Reviewed Original ResearchConceptsLong-term potentiationMaternal deficiencyAngelman syndromeNormal baseline synaptic transmissionBaseline synaptic transmissionE6-AP ubiquitinMotor dysfunctionSynaptic transmissionPhenotype of miceMice causesPotential biochemical basisPostmitotic neuronsLearning deficitsMiceDegradation of p53E6 proteinPotentiationP53Cytoplasmic p53UBE3ACytoplasmic abundanceDeficitsDeficiencyPhenotypeBiochemical basis