Search Results - "Kirton, Hannah M"
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Epac2-Rap1 Signaling Regulates Reactive Oxygen Species Production and Susceptibility to Cardiac Arrhythmias
Published in Antioxidants & redox signaling (20-07-2017)“…In the heart, β -adrenergic signaling involves cyclic adenosine monophosphate (cAMP) acting via both protein kinase-A (PKA) and exchange protein directly…”
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Flecainide induces a sustained countercurrent dependent effect on RyR2 in permeabilized WT ventricular myocytes but not in intact cells
Published in Frontiers in pharmacology (12-04-2023)“…While flecainide is now an accepted treatment for arrhythmias associated with catecholaminergic polymorphic ventricular tachycardia (CPVT), its mechanism of…”
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Super-Resolution Analysis of the Origins of the Elementary Events of ER Calcium Release in Dorsal Root Ganglion Neurons
Published in Cells (Basel, Switzerland) (23-12-2023)“…Coordinated events of calcium (Ca ) released from the endoplasmic reticulum (ER) are key second messengers in excitable cells. In pain-sensing dorsal root…”
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Action potential responses to changes in stimulation frequency and isoproterenol in rat ventricular myocytes
Published in Physiological reports (01-01-2022)“…Purpose Current understanding of ventricular action potential adaptation to physiological stress is generally based on protocols using non‐physiological rates…”
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A correlative super-resolution protocol to visualise structural underpinnings of fast second-messenger signalling in primary cell types
Published in Methods (San Diego, Calif.) (01-09-2021)“…•The imaging protocol visualises intracellular calcium signals and their sources.•It correlates calcium spark TIRF images with DNA-PAINT images of RyR…”
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Three-Dimensional and Chemical Mapping of Intracellular Signaling Nanodomains in Health and Disease with Enhanced Expansion Microscopy
Published in ACS nano (26-02-2019)“…Nanodomains are intracellular foci which transduce signals between major cellular compartments. One of the most ubiquitous signal transducers, the ryanodine…”
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A key role for peroxynitrite‐mediated inhibition of cardiac ERG (Kv11.1) K+ channels in carbon monoxide–induced proarrhythmic early afterdepolarizations
Published in The FASEB journal (01-11-2017)“…Exposure to CO causes early afterdepolarization arrhythmias. Previous studies in rats have indicated that arrhythmias arose as a result of augmentation of the…”
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The Golgi apparatus is a functionally distinct Ca2+ store regulated by the PKA and Epac branches of the β1-adrenergic signaling pathway
Published in Science signaling (13-10-2015)“…Ca(2+) release from the Golgi apparatus regulates key functions of the organelle, including vesicle trafficking. We found that the Golgi apparatus was the…”
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Transient overexpression of genes in neurons using nucleofection
Published in Methods in molecular biology (Clifton, N.J.) (2013)“…Nucleofection is a transfection method used to introduce substrates such as cDNA plasmids into primary cells or other cell lines. The method can be…”
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Competitive Interactions of Kv7 Channel Carboxy-Termini with PIP2 and Calmodulin
Published in Biophysical journal (31-01-2012)Get full text
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Conditions that Promote Golgi Ca2+ Release Facilitate Trafficking of VEGFR-1 to the Surface Membrane in Rat Ventricular Myocytes
Published in Biophysical journal (16-02-2016)Get full text
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The EPAC2 Inhibitor ESI-05 Prolongs the Action Potential and Increases Susceptibility to EAD Arrhythmias
Published in Biophysical journal (02-02-2018)Get full text
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Optical Superresolution Analysis of Intracellular Calcium Handling Proteins and Correlating Calcium Signal Morphology
Published in Biophysical journal (07-02-2020)Get full text
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Phosphodiesterase Inhibition Leads to Activation of Epac and Stimulation of Ca2+ Release from both the Golgi Apparatus and the SR
Published in Biophysical journal (27-01-2015)Get full text
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Epac2-Rap1 Signaling Influences Reactive Oxygen Species Production and Susceptibility to Cardiac Arrhythmias
Published in Biophysical journal (03-02-2017)Get full text
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Bin-1 Expression in Normal Rat Cardiac Myocytes and in Myocytes with Reduced T-Tubule Density Due to Cell Culture or Heart Failure
Published in Biophysical journal (28-01-2014)Get full text
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