1997
Neurotoxicity associated with dual actions of homocysteine at the N-methyl-d-aspartate receptor
Lipton S, Kim W, Choi Y, Kumar S, D’Emilia D, Rayudu P, Arnelle D, Stamler J. Neurotoxicity associated with dual actions of homocysteine at the N-methyl-d-aspartate receptor. Proceedings Of The National Academy Of Sciences Of The United States Of America 1997, 94: 5923-5928. PMID: 9159176, PMCID: PMC20882, DOI: 10.1073/pnas.94.11.5923.Peer-Reviewed Original ResearchMeSH Keywords2-Amino-5-phosphonovalerate6-Cyano-7-nitroquinoxaline-2,3-dioneAdultAnimalsCells, CulturedCerebral CortexChildDizocilpine MaleateEmbryo, MammalianEvoked PotentialsGlycineHomocysteineHumansKineticsKynurenic AcidNeuronsNeurotoxinsN-MethylaspartateRatsRats, Sprague-DawleyReceptors, N-Methyl-D-AspartateConceptsN-methyl-D-aspartate receptorsGlycine coagonist siteHomocysteine neurotoxicityNeuronal damageHead traumaVascular diseaseTotal homocysteineNeurotoxic concentrationsGlycine levelsCoagonist siteNeuroprotective activityCoagulation systemNervous systemDisease pathogenesisPartial antagonistExcessive Ca2HomocysteineAdverse effectsElevated levelsPathological conditionsDual actionVessel wallReceptorsReactive oxygen generationPathogenesis
1992
l-Homocysteic acid selectively activates N-methyl-d-aspartate receptors of rat retinal ganglion cells
Zhang D, Lipton S. l-Homocysteic acid selectively activates N-methyl-d-aspartate receptors of rat retinal ganglion cells. Neuroscience Letters 1992, 139: 173-177. PMID: 1351663, DOI: 10.1016/0304-3940(92)90545-i.Peer-Reviewed Original ResearchConceptsRat retinal ganglion cellsRetinal ganglion cellsGanglion cellsRat RGCsN-methyl-D-aspartate receptorsNMDA receptor-channel complexConcentrations of NMDAL-homocysteic acidWhole-cell recordingsReceptor-channel complexRetinal transmittersMaximal responseHomocysteic acidNMDAPatch electrodePossible roleMillimolar concentrationsHCACellsReceptorsResponse
1977
Electrical and adaptive properties of rod photoreceptors in Bufo marinus. I. Effects of altered extracellular Ca2+ levels.
Lipton S, Ostroy S, Dowling J. Electrical and adaptive properties of rod photoreceptors in Bufo marinus. I. Effects of altered extracellular Ca2+ levels. The Journal Of General Physiology 1977, 70: 747-770. PMID: 412914, PMCID: PMC2228514, DOI: 10.1085/jgp.70.6.747.Peer-Reviewed Original ResearchMeSH KeywordsAdaptation, OcularAnimalsBufo marinusCalciumEvoked PotentialsIn Vitro TechniquesPhotic StimulationPhotoreceptor CellsTime FactorsConceptsReceptor sensitivityLight-evoked responsesResponse amplitudeLow calcium RingerMembrane potential levelMembrane potentialExtracellular Ca2Intracellular storesAdapted rodRod sensitivityReceptor potentialElectrical activityRod photoreceptorsRinger's solutionV-log IRingerDark adaptationProlonged exposureSensitivity recoveryRetinaResponse saturationSubstantial depolarizationBufo marinus