2013
Contrasting effects of chronic, systemic treatment with mTOR inhibitors rapamycin and metformin on adult neural progenitors in mice
Kusne Y, Goldberg EL, Parker SS, Hapak SM, Maskaykina IY, Chew WM, Limesand KH, Brooks HL, Price TJ, Sanai N, Nikolich-Zugich J, Ghosh S. Contrasting effects of chronic, systemic treatment with mTOR inhibitors rapamycin and metformin on adult neural progenitors in mice. GeroScience 2013, 36: 199-212. PMID: 23949159, PMCID: PMC3889877, DOI: 10.1007/s11357-013-9572-5.Peer-Reviewed Original ResearchConceptsSystemic administrationMTOR inhibitorsImproved health spanAdult-born neuronsHealth spanEffects of chronicNeural progenitorsAdult neural stem cellsMTOR inhibitor rapamycinInhibition of mTORPotential adverse effectsAdult neural progenitorsNeural stem cellsSystemic treatmentDendate gyrusMouse hippocampusSubventricular regionOrgan functionMetforminBehavioral healthInhibitor rapamycinAdverse effectsPharmacological inhibitorsMTORRapamycinBDNF Regulates Atypical PKC at Spinal Synapses to Initiate and Maintain a Centralized Chronic Pain State
Melemedjian OK, Tillu DV, Asiedu MN, Mandell EK, Moy JK, Blute VM, Taylor CJ, Ghosh S, Price TJ. BDNF Regulates Atypical PKC at Spinal Synapses to Initiate and Maintain a Centralized Chronic Pain State. Molecular Pain 2013, 9: 1744-8069-9-12. PMID: 23510079, PMCID: PMC3608966, DOI: 10.1186/1744-8069-9-12.Peer-Reviewed Original ResearchMeSH KeywordsAnimalsBrain-Derived Neurotrophic FactorCalcium-Calmodulin-Dependent Protein Kinase Type 2Cerebral CortexChronic PainEukaryotic Initiation Factor-4FExtracellular Signal-Regulated MAP KinasesMaleMAP Kinase Signaling SystemMiceMice, Inbred ICRMitogen-Activated Protein Kinase KinasesModels, BiologicalPhosphorylationPosterior Horn CellsProtein BiosynthesisProtein Kinase CProtein TransportSynapsesTime FactorsTOR Serine-Threonine KinasesConceptsChronic pain statesPain statesPersistent nociceptive sensitizationSpinal synapsesChronic painNociceptive sensitizationPotential therapeutic targetImportant medical problemNeurotrophic factorBDNF regulationPersistent sensitizationBDNFTherapeutic targetMedical problemsPainNovel therapeuticsEssential mediatorSensitizationPermanent reversalSynapsesMolecular linkPKMζKey regulator
2010
Telomere-independent Rap1 is an IKK adaptor and regulates NF-κB-dependent gene expression
Teo H, Ghosh S, Luesch H, Ghosh A, Wong ET, Malik N, Orth A, de Jesus P, Perry AS, Oliver JD, Tran NL, Speiser LJ, Wong M, Saez E, Schultz P, Chanda SK, Verma IM, Tergaonkar V. Telomere-independent Rap1 is an IKK adaptor and regulates NF-κB-dependent gene expression. Nature Cell Biology 2010, 12: 758-767. PMID: 20622870, DOI: 10.1038/ncb2080.Peer-Reviewed Original ResearchMeSH KeywordsAnimalsApoptosisBlotting, WesternCell LineCell Line, TumorChromatin ImmunoprecipitationChromatography, GelHeLa CellsHumansI-kappa B KinaseImmunohistochemistryImmunoprecipitationKaplan-Meier EstimateMiceNF-kappa BPhosphorylationPolymerase Chain ReactionProtein BindingRNA, Small InterferingShelterin ComplexTelomere-Binding ProteinsTissue Array Analysis
2003
Mitotic Regulation of Ribosomal S6 Kinase 1 Involves Ser/Thr, Pro Phosphorylation of Consensus and Non-consensus Sites by Cdc2*
Shah OJ, Ghosh S, Hunter T. Mitotic Regulation of Ribosomal S6 Kinase 1 Involves Ser/Thr, Pro Phosphorylation of Consensus and Non-consensus Sites by Cdc2*. Journal Of Biological Chemistry 2003, 278: 16433-16442. PMID: 12586835, DOI: 10.1074/jbc.m300435200.Peer-Reviewed Original ResearchMeSH KeywordsCDC2 Protein KinaseG2 PhaseHeLa CellsHumansMitosisPhosphorylationProlineRibosomal Protein S6 Kinases, 70-kDaSerineThreonineConceptsSer/ThrMultiple Ser/ThrRibosomal S6 kinase 1Hydrophobic motif siteRibosomal protein mRNAsRNA polymerase IIProline-directed phosphorylationRibosomal protein synthesisPhosphorylation of S6K1S6 kinase 1Mitotic HeLa cellsCyclin-dependent kinasesActivity of cdc2Elongation factor 1gammaNon-consensus sitesRibosome biogenesisMitotic regulationPolymerase IIPhosphorylation sitesMRNA processingMotif sitesProtein kinaseTriggers inactivationMitotic processesCyclin B
2002
CK2 constitutively associates with and phosphorylates chicken erythroid ankyrin and regulates its ability to bind to spectrin
Ghosh S, Dorsey FC, Cox JV. CK2 constitutively associates with and phosphorylates chicken erythroid ankyrin and regulates its ability to bind to spectrin. Journal Of Cell Science 2002, 115: 4107-4115. PMID: 12356915, DOI: 10.1242/jcs.00102.Peer-Reviewed Original ResearchMeSH KeywordsAnimalsAnkyrinsAntibody SpecificityCasein Kinase IICell MembraneChick EmbryoCytoskeletonDogsEnzyme InhibitorsEpithelial CellsErythroid Precursor CellsMacromolecular SubstancesPhosphoric Monoester HydrolasesPhosphorylationPhosphotransferasesPrecipitin TestsProtein BindingProtein IsoformsProtein Serine-Threonine KinasesSpectrinSubcellular FractionsConceptsErythroid ankyrinKidney epithelial cellsMadin-Darby canine kidney epithelial cellsCK2-specific inhibitorCanine kidney epithelial cellsEpithelial cellsPhosphorylation eventsPhosphatase inhibitorSpectrin cytoskeletonMembrane cytoskeletonPhosphorylation stateCK2Erythroid cellsAnkyrinCytoskeletonInhibitor studiesCell typesPhosphorylationSpectrinKinaseCellsFirst demonstrationVivoInhibitorsComplexes
2001
Dynamics of Ankyrin-containing Complexes in Chicken Embryonic Erythroid Cells: Role of Phosphorylation
Ghosh S, Cox J. Dynamics of Ankyrin-containing Complexes in Chicken Embryonic Erythroid Cells: Role of Phosphorylation. Molecular Biology Of The Cell 2001, 12: 3864-3874. PMID: 11739786, PMCID: PMC60761, DOI: 10.1091/mbc.12.12.3864.Peer-Reviewed Original ResearchConceptsCytoskeletal associationPhosphatase inhibitorErythroid ankyrinErythroid cellsEmbryonic erythroid cellsRole of phosphorylationAE1 anion exchangerTreatment of cellsBind spectrinAnkyrin isoformsAnkyrinCytoskeletal spectrinDynamic rearrangementPhosphorylationSoluble poolVivo consequencesSpectrinComplex formationSerineRapid cyclesIsoformsCellsPoolInhibitorsComplexes