Search Results - "Mueller, Frank U."
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Upregulation of SERCA2a following short-term ACE inhibition (by enalaprilat) alters contractile performance and arrhythmogenicity of healthy myocardium in rat
Published in Molecular and cellular biochemistry (01-05-2015)“…Chronic angiotensin-converting enzyme inhibitor (ACEIs) treatment can suppress arrhythmogenesis. To examine whether the effect is more immediate and…”
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Tropisetron suppresses collagen synthesis in skin fibroblasts via [alpha]7 nicotinic acetylcholine receptor and attenuates fibrosis in a scleroderma mouse model
Published in Arthritis & rheumatology (Hoboken, N.J.) (01-03-2013)“…Objective There is increasing evidence that serotonin (5-hydroxytryptamine [5-HT]) and distinct 5-HT receptors are involved in the pathogenesis of systemic…”
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Enhanced Cardiomyocyte NLRP3 Inflammasome Signaling Promotes Atrial Fibrillation
Published in Circulation (New York, N.Y.) (13-11-2018)“…BACKGROUND:Atrial fibrillation (AF) is frequently associated with enhanced inflammatory response. The NLRP3 (NACHT, LRR, and PYD domain containing protein 3)…”
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Learning, Teamwork and Appropriability: Managing Technological Change in the Department of Social Security
Published in Journal of management studies (01-09-1999)“…Drawing on an extensive case study, we argue that management has to actively manage information flows, both within the organization and between the…”
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Annexin A4 N‐terminal peptide inhibits adenylyl cyclase 5 and limits β‐adrenoceptor‐mediated prolongation of cardiac action potential
Published in The FASEB journal (01-08-2020)“…Adenylyl cyclases (AC) are essential for the normal and pathophysiological response of many cells. In cardiomyocytes, the predominant AC isoforms are AC5 and…”
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Ryanodine Receptor–Mediated Calcium Leak Drives Progressive Development of an Atrial Fibrillation Substrate in a Transgenic Mouse Model
Published in Circulation (New York, N.Y.) (25-03-2014)“…BACKGROUND—The progression of atrial fibrillation (AF) from paroxysmal to persistent forms remains a major clinical challenge. Abnormal sarcoplasmic reticulum…”
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Impaired myocellular Ca2+ cycling in protein phosphatase PP2A-B56α KO mice is normalized by β-adrenergic stimulation
Published in The Journal of biological chemistry (01-09-2022)“…The activity of protein phosphatase 2A (PP2A) is determined by the expression and localization of the regulatory B-subunits. PP2A-B56α is the dominant isoform…”
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An improved reporter identifies ruxolitinib as a potent and cardioprotective CaMKII inhibitor
Published in Science translational medicine (21-06-2023)“…Ca /calmodulin-dependent protein kinase II (CaMKII) hyperactivity causes cardiac arrhythmias, a major source of morbidity and mortality worldwide. Despite…”
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Chronic β-adrenergic stimulation reverses depressed Ca handling in mice overexpressing inhibitor-2 of protein phosphatase 1
Published in Journal of molecular and cellular cardiology (01-12-2018)“…A higher expression/activity of type 1 serine/threonine protein phosphatase 1 (PP1) may contribute to dephosphorylation of cardiac regulatory proteins…”
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Cardiac Function Is Regulated by B56α-mediated Targeting of Protein Phosphatase 2A (PP2A) to Contractile Relevant Substrates
Published in The Journal of biological chemistry (05-12-2014)“…Dephosphorylation of important myocardial proteins is regulated by protein phosphatase 2A (PP2A), representing a heterotrimer that is comprised of catalytic,…”
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Induction of ICER is superseded by smICER, challenging the impact of ICER under chronic beta‐adrenergic stimulation
Published in The FASEB journal (01-08-2020)“…ICER (inducible cAMP early repressor) isoforms are transcriptional repressors encoded by the Crem (cAMP responsive element modulator) gene. They were linked to…”
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A novel isoform of myosin 18A (Myo18Aγ) is an essential sarcomeric protein in mouse heart
Published in The Journal of biological chemistry (03-05-2019)“…Whereas myosin 18B (Myo18B) is known to be a critical sarcomeric protein, the function of myosin 18A (Myo18A) is unclear, although it has been implicated in…”
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Annexin A4 is a novel direct regulator of adenylyl cyclase type 5
Published in The FASEB journal (01-09-2015)“…ABSTRACT Annexin A4 (AnxA4), a Ca2+‐ and phospholipid‐binding protein, is up‐regulated in the human failing heart In this study, we examined the impact of…”
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Successful overexpression of wild-type inhibitor-2 of PP1 in cardiovascular cells
Published in Naunyn-Schmiedeberg's archives of pharmacology (01-08-2018)“…About half of the cardiac serine/threonine phosphatase activity is due to the activity of protein phosphatase type 1 (PP1). The activity of PP1 can be…”
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Characterization of the Genetic Program Linked to the Development of Atrial Fibrillation in CREM-IbΔC-X Mice
Published in Circulation. Arrhythmia and electrophysiology (01-08-2017)“…BACKGROUND—Reduced expression of genes regulated by the transcription factors CREB/CREM (cAMP response element-binding protein/modulator) is linked to atrial…”
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Inward Rectifier K + Currents Contribute to the Proarrhythmic Electrical Phenotype of Atria Overexpressing Cyclic Adenosine Monophosphate Response Element Modulator Isoform CREM-IbΔC-X
Published in Journal of the American Heart Association (01-12-2020)“…BACKGROUND Transgenic mice (TG) with heart-directed overexpresion of the isoform of the transcription factor cyclic adenosine monophosphate response element…”
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Profiling of histone H3 lysine 9 trimethylation levels predicts transcription factor activity and survival in acute myeloid leukemia
Published in Blood (04-11-2010)“…Acute myeloid leukemia (AML) is commonly associated with alterations in transcription factors because of altered expression or gene mutations. These changes…”
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Suppression of Early and Late Afterdepolarizations by Heterozygous Knockout of the Na+/Ca2+ Exchanger in a Murine Model
Published in Circulation. Arrhythmia and electrophysiology (01-10-2015)“…The Na(+)/Ca(2+) exchanger (NCX) has been implied to cause arrhythmias. To date, information on the role of NCX in arrhythmogenesis derived from models with…”
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Increased in vivo perpetuation of whole-heart ventricular arrhythmia in heterozygous Na+/Ca2+ exchanger knockout mice
Published in International journal of cardiology. Heart & vasculature (01-02-2023)“…Na+/Ca2+ exchanger (NCX) upregulation in cardiac diseases like heart failure promotes as an independent proarrhythmic factor early and delayed…”
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Initial Characterization of Stressed Transgenic Mice With Cardiomyocyte-Specific Overexpression of Protein Phosphatase 2C
Published in Frontiers in pharmacology (11-01-2021)“…As part of our ongoing studies on the potential pathophysiological role of serine/threonine phosphatases (PP) in the mammalian heart, we have generated mice…”
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