Featured Publications
TET2 Protects Against Vascular Smooth Muscle Cell Apoptosis and Intimal Thickening in Transplant Vasculopathy
Ostriker AC, Xie Y, Chakraborty R, Sizer AJ, Bai Y, Ding M, Song WL, Huttner A, Hwa J, Martin KA. TET2 Protects Against Vascular Smooth Muscle Cell Apoptosis and Intimal Thickening in Transplant Vasculopathy. Circulation 2021, 144: 455-470. PMID: 34111946, PMCID: PMC8643133, DOI: 10.1161/circulationaha.120.050553.Peer-Reviewed Original ResearchMeSH KeywordsAllograftsAnimalsApoptosisBiomarkersDioxygenasesDisease Models, AnimalDisease SusceptibilityDNA-Binding ProteinsHeart TransplantationHumansImmunohistochemistryInterferon-gammaMiceMice, KnockoutMyocytes, Smooth MuscleSignal TransductionSTAT1 Transcription FactorTunica IntimaVascular DiseasesConceptsCoronary allograft vasculopathyGraft arteriopathyIntimal thickeningCAV progressionRole of TET2VSMC apoptosisTransplant samplesGraft modelHigh-dose ascorbic acidTET2 expressionVSMC phenotypeContext of transplantCoronary blood flowEffect of IFNγTET2 activityTET2 depletionSmooth muscle cell apoptosisVascular smooth muscle cell apoptosisMuscle cell apoptosisAllograft vasculopathyDevastating sequelaeMedial thinningAortic graftHeart transplantTransplant failure
2017
Chapter 8 Characterization of GPCR signaling in hypoxia
Chakraborty R, Sikarwar A, Hinton M, Dakshinamurti S, Chelikani P. Chapter 8 Characterization of GPCR signaling in hypoxia. Methods In Cell Biology 2017, 142: 101-110. PMID: 28964329, DOI: 10.1016/bs.mcb.2017.07.005.Peer-Reviewed Original ResearchConceptsThromboxane A2 receptorG protein-coupled receptorsPrimary pulmonary artery smooth muscle cellsPulmonary artery smooth muscle cellsArtery smooth muscle cellsPersistent pulmonary hypertensionPulmonary arterial responsesKey G‐protein‐coupled receptorsSmooth muscle cellsPulmonary hypertensionProtein-coupled receptorsArterial responseTissue hypoxiaCardiovascular diseaseA2 receptorsT cellsProstanoid receptorsCell responsesMuscle cellsHypoxic experimentsGPCR signalingHypoxiaHEK293T cellsReceptorsOxygen supply
2016
The Pharmacochaperone Activity of Quinine on Bitter Taste Receptors
Upadhyaya J, Chakraborty R, Shaik F, Jaggupilli A, Bhullar R, Chelikani P. The Pharmacochaperone Activity of Quinine on Bitter Taste Receptors. PLOS ONE 2016, 11: e0156347. PMID: 27223611, PMCID: PMC4880206, DOI: 10.1371/journal.pone.0156347.Peer-Reviewed Original ResearchConceptsBitter taste receptorsBitter taste signal transductionTaste receptorsTaste signal transductionControl untreated cellsQuinine treatmentAgonist treatmentCell surface expressionCalcium responsePharmacological techniquesAgonist activityTaste sensationBitter agonistsBasic taste sensationsReceptor internalizationSurface expressionUntreated cellsQuinineTreatmentDesensitizationReceptorsSignal transductionObserved actions
2013
New Insights into Structural Determinants for Prostanoid Thromboxane A2 Receptor- and Prostacyclin Receptor-G Protein Coupling
Chakraborty R, Pydi SP, Gleim S, Bhullar RP, Hwa J, Dakshinamurti S, Chelikani P. New Insights into Structural Determinants for Prostanoid Thromboxane A2 Receptor- and Prostacyclin Receptor-G Protein Coupling. Molecular And Cellular Biology 2013, 33: 184-193. PMID: 23109431, PMCID: PMC3554117, DOI: 10.1128/mcb.00725-12.Peer-Reviewed Original ResearchMeSH KeywordsAmino Acid SequenceBinding SitesCalciumFluorescent Antibody TechniqueGTP-Binding ProteinsHEK293 CellsHumansInositol 1,4,5-TrisphosphateLigandsModels, MolecularMolecular Sequence DataMutagenesis, Site-DirectedNonlinear DynamicsProtein BindingProtein ConformationReceptors, EpoprostenolReceptors, Thromboxane A2, Prostaglandin H2Signal TransductionConceptsG protein-coupled receptorsG protein specificityThromboxane A2 receptorProtein interactionsProtein specificityIntracellular loopChimeric receptorsG proteinsGPCR-G protein interactionsProtein couplingHeterotrimeric G proteinsCognate G-proteinSite-directed mutagenesisNew molecular insightsProtein-coupled receptorsG protein couplingReceptor-G protein interactionG protein activationA2 receptorsReceptor-G protein couplingStructural basisMolecular insightsProtein activationMolecular natureStructural determinants