2009
Intracellular calcium signals regulate growth of hepatic stellate cells via specific effects on cell cycle progression
Soliman EM, Rodrigues MA, Gomes DA, Sheung N, Yu J, Amaya MJ, Nathanson MH, Dranoff JA. Intracellular calcium signals regulate growth of hepatic stellate cells via specific effects on cell cycle progression. Cell Calcium 2009, 45: 284-292. PMID: 19131107, PMCID: PMC3018528, DOI: 10.1016/j.ceca.2008.11.006.Peer-Reviewed Original ResearchMeSH KeywordsAnimalsCalcium SignalingCalcium-Calmodulin-Dependent Protein Kinase Type 2Cdc25 PhosphatasesCell CompartmentationCell CycleCell NucleusCell ProliferationChelating AgentsCytosolEgtazic AcidEnzyme InhibitorsG2 PhaseHepatocytesHumansIntracellular SpaceParvalbuminsPhosphorylationProtein TransportRatsSubcellular FractionsConceptsHepatic stellate cellsLiver fibrosisStellate cellsImmortalized human hepatic stellate cellsHSC growthHuman hepatic stellate cellsRat hepatic stellate cellsPrimary rat hepatic stellate cellsIntracellular calcium signalsCdc25C phosphorylationPharmacological therapyCalmodulin kinase IIImportant mediatorCell cycle progressionHSC proliferationCell proliferationLogical targetCalcium signalsAdenoviral constructDownstream intracellularG2/M checkpointCaMK IIFibrosisBlockadeParvalbumin
2006
Adenosine inhibits cytosolic calcium signals and chemotaxis in hepatic stellate cells
Hashmi AZ, Hakim W, Kruglov EA, Watanabe A, Watkins W, Dranoff JA, Mehal WZ. Adenosine inhibits cytosolic calcium signals and chemotaxis in hepatic stellate cells. AJP Gastrointestinal And Liver Physiology 2006, 292: g395-g401. PMID: 17053161, PMCID: PMC3224076, DOI: 10.1152/ajpgi.00208.2006.Peer-Reviewed Original ResearchConceptsCytosolic Ca2Collagen I mRNATGF-beta productionHepatic stellate cell biologyLX-2 cellsEffects of adenosineHepatic stellate cellsSite of injuryI mRNAElevated tissue levelsDose-dependent mannerHigh adenosine concentrationsStellate cell biologyAdenylate cyclase inhibitorActivation markersLiver fibrosisTissue injuryHSC chemotaxisStellate cellsCyclase inhibitorAdenosine concentrationTranswell systemInhibited increasesCellular hypoxiaTissue levels
2004
Expression of P2Y nucleotide receptors and ectonucleotidases in quiescent and activated rat hepatic stellate cells
Dranoff JA, Ogawa M, Kruglov EA, Gaça M, Sévigny J, Robson SC, Wells RG. Expression of P2Y nucleotide receptors and ectonucleotidases in quiescent and activated rat hepatic stellate cells. AJP Gastrointestinal And Liver Physiology 2004, 287: g417-g424. PMID: 14764443, PMCID: PMC5241161, DOI: 10.1152/ajpgi.00294.2003.Peer-Reviewed Original ResearchConceptsHepatic stellate cellsActivated hepatic stellate cellsQuiescent hepatic stellate cellsP2Y receptorsExtracellular nucleotidesP2Y subtypesStellate cellsMRNA expressionRT-PCRInhibitor suraminP2Y receptor subtypesReceptor subtype expressionExpression of mediatorsExpression of receptorsFunctional P2Y receptorsRat hepatic stellate cellsReal-time RT-PCRP2Y nucleotide receptorsEctonucleotidase expressionLiver fibrosisReceptor subtypesSubtype expressionEctonucleotidase activityExtracellular UDPFibrogenic cells