Effects of hawthorn ( Crataegus pentagyna) leaf extract on electrophysiologic properties of cardiomyocytes derived from human cardiac arrhythmia-specific induced pluripotent stem cells. 2018

Sara Pahlavan, and Marziyeh Shalchi Tousi, and Mahdi Ayyari, and Abolfazl Alirezalu, and Hassan Ansari, and Tomo Saric, and Hossein Baharvand
Department of Stem Cells and Developmental Biology, Cell Science Research Center, Royan Institute for Stem Cell Biology and Technology, Academic Center for Education, Culture, and Research, Tehran, Iran.

Cardiac arrhythmias are major life-threatening conditions. The landmark discovery of induced pluripotent stem cells has provided a promising in vitro system for modeling hereditary cardiac arrhythmias as well as drug development and toxicity testing. Nowadays, nutraceuticals are frequently used as supplements for cardiovascular therapy. Here we studied the cardiac effects of hawthorn ( Crataegus pentagyna) leaf extract using cardiomyocytes (CMs) differentiated from healthy human embryonic stem cells, long QT syndrome type 2 (LQTS2), and catecholaminergic polymorphic ventricular tachycardia type 1 (CPVT1) patient-specific induced pluripotent stem cells. The hydroalcoholic extract resulted in a dose-dependent negative chronotropic effect in all CM preparations leading to a significant reduction at 1000 µg/ml. This was accompanied by prolongation of field potential durations, although with different magnitudes in CMs from different human embryonic stem cell and iPSC lines. Hawthorn further prolonged field potential durations in LQTS2 CMs but reduced the beating frequencies and occurrence of immature field potentials triggered by β1-adrenergic stimulation in CPVT1 CMs at 300 and 1000 µg/ml. Furthermore, isoquercetin and vitexin flavonoids significantly slowed down isoproterenol (5 µM)-induced beating frequencies at 3 and 10 µg/ml. Therefore, C. pentagyna leaf extract and its isoquercetin and vitexin flavonoids may be introduced as a novel nutraceutical with antiarrhythmic potential for CPVT1 patients.-Pahlavan, S., Tousi, M. S., Ayyari, M., Alirezalu, A., Ansari, H., Saric, T., Baharvand, H. Effects of hawthorn ( Crataegus pentagyna) leaf extract on electrophysiologic properties of cardiomyocytes derived from human cardiac arrhythmia-specific induced pluripotent stem cells.

UI MeSH Term Description Entries
D008133 Long QT Syndrome A condition that is characterized by episodes of fainting (SYNCOPE) and varying degree of ventricular arrhythmia as indicated by the prolonged QT interval. The inherited forms are caused by mutation of genes encoding cardiac ion channel proteins. The two major forms are ROMANO-WARD SYNDROME and JERVELL-LANGE NIELSEN SYNDROME. Electrocardiogram QT Prolonged
D010936 Plant Extracts Concentrated pharmaceutical preparations of plants obtained by removing active constituents with a suitable solvent, which is evaporated away, and adjusting the residue to a prescribed standard. Herbal Medicines,Plant Extract,Extract, Plant,Extracts, Plant,Medicines, Herbal
D006801 Humans Members of the species Homo sapiens. Homo sapiens,Man (Taxonomy),Human,Man, Modern,Modern Man
D017180 Tachycardia, Ventricular An abnormally rapid ventricular rhythm usually in excess of 150 beats per minute. It is generated within the ventricle below the BUNDLE OF HIS, either as autonomic impulse formation or reentrant impulse conduction. Depending on the etiology, onset of ventricular tachycardia can be paroxysmal (sudden) or nonparoxysmal, its wide QRS complexes can be uniform or polymorphic, and the ventricular beating may be independent of the atrial beating (AV dissociation). Idiopathic Ventricular Tachycardia,Nonsustained Ventricular Tachycardia,Paroxysmal Supraventricular Tachycardia,Ventricular Tachyarrhythmias,Ventricular Tachycardia,Idiopathic Ventricular Tachycardias,Nonsustained Ventricular Tachycardias,Paroxysmal Supraventricular Tachycardias,Supraventricular Tachycardia, Paroxysmal,Tachyarrhythmia, Ventricular,Tachycardia, Idiopathic Ventricular,Tachycardia, Nonsustained Ventricular,Tachycardia, Paroxysmal Supraventricular,Ventricular Tachyarrhythmia,Ventricular Tachycardia, Idiopathic,Ventricular Tachycardia, Nonsustained,Ventricular Tachycardias
D057026 Induced Pluripotent Stem Cells Cells from adult organisms that have been reprogrammed into a pluripotential state similar to that of EMBRYONIC STEM CELLS. Human Induced Pluripotent Stem Cell,IPS Cell,IPS Cells,Induced Pluripotent Stem Cell,Fibroblast-Derived IPS Cells,Fibroblast-Derived Induced Pluripotent Stem Cells,Human Induced Pluripotent Stem Cells,hiPSC,Cell, Fibroblast-Derived IPS,Cell, IPS,Cells, Fibroblast-Derived IPS,Cells, IPS,Fibroblast Derived IPS Cells,Fibroblast Derived Induced Pluripotent Stem Cells,Fibroblast-Derived IPS Cell,IPS Cell, Fibroblast-Derived,IPS Cells, Fibroblast-Derived
D022062 Electrophysiologic Techniques, Cardiac Methods to induce and measure electrical activities at specific sites in the heart to diagnose and treat problems with the heart's electrical system. Cardiac Electrophysiologic Techniques,Electrophysiologic Study, Cardiac,Atrial Electrogram,Bundle of His Electrogram,Cardiac Electrophysiologic Technics,Cardiac Electrophysiological Techniques,Electrophysiologic Techniques, Intracardiac,Electrophysiological Techniques, Cardiac,Electrophysiological Techniques, Intracardiac,His Bundle Electrogram,Intra-Atrial Electrogram,Intracardiac Electrogram,Intracardiac Electrophysiologic Techniques,Intracardiac Electrophysiological Technics,Intracardiac Electrophysiological Techniques,Programmed Electrostimulation, Cardiac,Transesophageal Electrophysiologic Study,Transesophageal Electrophysiological Study,Atrial Electrograms,Bundle Electrogram, His,Bundle Electrograms, His,Cardiac Electrophysiologic Studies,Cardiac Electrophysiologic Study,Cardiac Electrophysiologic Technic,Cardiac Electrophysiologic Technique,Cardiac Electrophysiological Technique,Cardiac Programmed Electrostimulation,Cardiac Programmed Electrostimulations,Electrogram Bundle, His,Electrogram Bundles, His,Electrogram, Atrial,Electrogram, His Bundle,Electrogram, Intra-Atrial,Electrogram, Intracardiac,Electrograms, Atrial,Electrograms, His Bundle,Electrograms, Intra-Atrial,Electrograms, Intracardiac,Electrophysiologic Studies, Cardiac,Electrophysiologic Studies, Transesophageal,Electrophysiologic Study, Transesophageal,Electrophysiologic Technic, Cardiac,Electrophysiologic Technics, Cardiac,Electrophysiologic Technique, Cardiac,Electrophysiologic Technique, Intracardiac,Electrophysiological Studies, Transesophageal,Electrophysiological Study, Transesophageal,Electrophysiological Technic, Intracardiac,Electrophysiological Technics, Intracardiac,Electrophysiological Technique, Cardiac,Electrophysiological Technique, Intracardiac,Electrostimulation, Cardiac Programmed,Electrostimulations, Cardiac Programmed,His Bundle Electrograms,His Electrogram Bundle,His Electrogram Bundles,Intra Atrial Electrogram,Intra-Atrial Electrograms,Intracardiac Electrograms,Intracardiac Electrophysiologic Technique,Intracardiac Electrophysiological Technic,Intracardiac Electrophysiological Technique,Programmed Electrostimulations, Cardiac,Studies, Cardiac Electrophysiologic,Studies, Transesophageal Electrophysiologic,Studies, Transesophageal Electrophysiological,Study, Cardiac Electrophysiologic,Study, Transesophageal Electrophysiologic,Study, Transesophageal Electrophysiological,Technic, Cardiac Electrophysiologic,Technic, Intracardiac Electrophysiological,Technics, Cardiac Electrophysiologic,Technics, Intracardiac Electrophysiological,Technique, Cardiac Electrophysiologic,Technique, Cardiac Electrophysiological,Technique, Intracardiac Electrophysiologic,Technique, Intracardiac Electrophysiological,Techniques, Cardiac Electrophysiologic,Techniques, Cardiac Electrophysiological,Techniques, Intracardiac Electrophysiologic,Techniques, Intracardiac Electrophysiological,Transesophageal Electrophysiologic Studies,Transesophageal Electrophysiological Studies
D027825 Crataegus A genus in the family ROSACEAE of shrubs and small trees native to the North Temperate Zone. It is best known for a traditional medication for the heart. Crataegus laevigata,Hawthorn,Crataegus monogyna,Hawthorns
D032383 Myocytes, Cardiac Striated muscle cells found in the heart. They are derived from cardiac myoblasts (MYOBLASTS, CARDIAC). Cardiomyocytes,Muscle Cells, Cardiac,Muscle Cells, Heart,Cardiac Muscle Cell,Cardiac Muscle Cells,Cardiac Myocyte,Cardiac Myocytes,Cardiomyocyte,Cell, Cardiac Muscle,Cell, Heart Muscle,Cells, Cardiac Muscle,Cells, Heart Muscle,Heart Muscle Cell,Heart Muscle Cells,Muscle Cell, Cardiac,Muscle Cell, Heart,Myocyte, Cardiac

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