Hypoxia‐Ischemia in Perinatal Rat Brain Induces the Formation of a Low Molecular Weight Isoform of Striatal Enriched Tyrosine Phosphatase (STEP)
Gurd J, Bissoon N, Nguyen T, Lombroso P, Rider C, Beesley P, Vannucci S. Hypoxia‐Ischemia in Perinatal Rat Brain Induces the Formation of a Low Molecular Weight Isoform of Striatal Enriched Tyrosine Phosphatase (STEP). Journal Of Neurochemistry 1999, 73: 1990-1994. PMID: 10537057, DOI: 10.1046/j.1471-4159.1999.01990.x.Peer-Reviewed Original ResearchConceptsHypoxia-ischemiaP21 ratsRat brainIschemia-induced elevationP21 rat brainUnilateral hypoxia-ischemiaCerebral hypoxia-ischemiaPerinatal rat brainResult of ischemiaCalcium-dependent proteolysisLow molecular weight isoformsInterval of recoveryP7 ratsContralateral sideMolecular weight isoformsNT2/D1 cellsCalcium ionophoreLow Mr isoformPostsynaptic densityRatsBrainCalpain IWeight isoformsIschemiaPhosphorylation levelsCalcium‐Dependent Cleavage of Striatal Enriched Tyrosine Phosphatase (STEP)
Nguyen T, Paul S, Xu Y, Gurd J, Lombroso P. Calcium‐Dependent Cleavage of Striatal Enriched Tyrosine Phosphatase (STEP). Journal Of Neurochemistry 1999, 73: 1995-2001. PMID: 10537058, DOI: 10.1046/j.1471-4159.1999.01995.x.Peer-Reviewed Original ResearchConceptsPostsynaptic densityTransient hypoxia-ischemiaPrimary neuronal culturesNeuronal precursor cellsCalcium-dependent cleavageHypoxia-ischemiaStriatal neuronsNeuronal insultsRat striatumNeuronal culturesCalcium ionophoreCalpain inhibitorsSTEP61Precursor cellsLow molecular weight formMolecular weight formsPhosphorylation levelsSmaller isoformSignificant increaseTyrosine phosphorylation levelsRapid appearanceCalpain treatmentRapid influxWeight formsCells