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A mouse model of inherited choline kinase β-deficiency presents with specific cardiac abnormalities and a predisposition to arrhythmia
The CHKB gene encodes choline kinase β, which catalyzes the first step in the biosynthetic pathway for the major phospholipid phosphatidylcholine. Homozygous loss-of-function variants in human CHKB are associated with a congenital muscular dystrophy. Dilated cardiomyopathy is present in some CHKB pa...
Autores principales: | , , , , , , , , , , , , , , , , , , |
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Formato: | Online Artículo Texto |
Lenguaje: | English |
Publicado: |
American Society for Biochemistry and Molecular Biology
2022
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Materias: | |
Acceso en línea: | https://www.ncbi.nlm.nih.gov/pmc/articles/PMC8913350/ https://www.ncbi.nlm.nih.gov/pubmed/35151687 http://dx.doi.org/10.1016/j.jbc.2022.101716 |
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author | Tavasoli, Mahtab Feridooni, Tiam Feridooni, Hirad Sokolenko, Stanislav Mishra, Abhishek Lefsay, Abir Srinivassane, Sadish Reid, Sarah Anne Rowsell, Joyce Praest, Molly MacKinnon, Alexandra Mammoliti, Melissa Maloney, Ashley Alyssa Moraca, Marina Uaesoontrachoon, Kitipong Nagaraju, Kanneboyina Hoffman, Eric P. Pasumarthi, Kishore B.S. McMaster, Christopher R. |
author_facet | Tavasoli, Mahtab Feridooni, Tiam Feridooni, Hirad Sokolenko, Stanislav Mishra, Abhishek Lefsay, Abir Srinivassane, Sadish Reid, Sarah Anne Rowsell, Joyce Praest, Molly MacKinnon, Alexandra Mammoliti, Melissa Maloney, Ashley Alyssa Moraca, Marina Uaesoontrachoon, Kitipong Nagaraju, Kanneboyina Hoffman, Eric P. Pasumarthi, Kishore B.S. McMaster, Christopher R. |
author_sort | Tavasoli, Mahtab |
collection | PubMed |
description | The CHKB gene encodes choline kinase β, which catalyzes the first step in the biosynthetic pathway for the major phospholipid phosphatidylcholine. Homozygous loss-of-function variants in human CHKB are associated with a congenital muscular dystrophy. Dilated cardiomyopathy is present in some CHKB patients and can cause heart failure and death. Mechanisms underlying a cardiac phenotype due to decreased CHKB levels are not well characterized. We determined that there is cardiac hypertrophy in Chkb(−/−) mice along with a decrease in left ventricle size, internal diameter, and stroke volume compared with wildtype and Chkb(+/−) mice. Unlike wildtype mice, 60% of the Chkb(+/−) and all Chkb(−/−) mice tested displayed arrhythmic events when challenged with isoproterenol. Lipidomic analysis revealed that the major change in lipid level in Chkb(+/−) and Chkb(−/−) hearts was an increase in the arrhythmogenic lipid acylcarnitine. An increase in acylcarnitine level is also associated with a defect in the ability of mitochondria to use fatty acids for energy and we observed that mitochondria from Chkb(−/−) hearts had abnormal cristae and inefficient electron transport chain activity. Atrial natriuretic peptide (ANP) is a hormone produced by the heart that protects against the development of heart failure including ventricular conduction defects. We determined that there was a decrease in expression of ANP, its receptor NPRA, as well as ventricular conduction system markers in Chkb(+/−) and Chkb(−/−) mice. |
format | Online Article Text |
id | pubmed-8913350 |
institution | National Center for Biotechnology Information |
language | English |
publishDate | 2022 |
publisher | American Society for Biochemistry and Molecular Biology |
record_format | MEDLINE/PubMed |
spelling | pubmed-89133502022-03-18 A mouse model of inherited choline kinase β-deficiency presents with specific cardiac abnormalities and a predisposition to arrhythmia Tavasoli, Mahtab Feridooni, Tiam Feridooni, Hirad Sokolenko, Stanislav Mishra, Abhishek Lefsay, Abir Srinivassane, Sadish Reid, Sarah Anne Rowsell, Joyce Praest, Molly MacKinnon, Alexandra Mammoliti, Melissa Maloney, Ashley Alyssa Moraca, Marina Uaesoontrachoon, Kitipong Nagaraju, Kanneboyina Hoffman, Eric P. Pasumarthi, Kishore B.S. McMaster, Christopher R. J Biol Chem Research Article The CHKB gene encodes choline kinase β, which catalyzes the first step in the biosynthetic pathway for the major phospholipid phosphatidylcholine. Homozygous loss-of-function variants in human CHKB are associated with a congenital muscular dystrophy. Dilated cardiomyopathy is present in some CHKB patients and can cause heart failure and death. Mechanisms underlying a cardiac phenotype due to decreased CHKB levels are not well characterized. We determined that there is cardiac hypertrophy in Chkb(−/−) mice along with a decrease in left ventricle size, internal diameter, and stroke volume compared with wildtype and Chkb(+/−) mice. Unlike wildtype mice, 60% of the Chkb(+/−) and all Chkb(−/−) mice tested displayed arrhythmic events when challenged with isoproterenol. Lipidomic analysis revealed that the major change in lipid level in Chkb(+/−) and Chkb(−/−) hearts was an increase in the arrhythmogenic lipid acylcarnitine. An increase in acylcarnitine level is also associated with a defect in the ability of mitochondria to use fatty acids for energy and we observed that mitochondria from Chkb(−/−) hearts had abnormal cristae and inefficient electron transport chain activity. Atrial natriuretic peptide (ANP) is a hormone produced by the heart that protects against the development of heart failure including ventricular conduction defects. We determined that there was a decrease in expression of ANP, its receptor NPRA, as well as ventricular conduction system markers in Chkb(+/−) and Chkb(−/−) mice. American Society for Biochemistry and Molecular Biology 2022-02-11 /pmc/articles/PMC8913350/ /pubmed/35151687 http://dx.doi.org/10.1016/j.jbc.2022.101716 Text en © 2022 The Authors https://creativecommons.org/licenses/by/4.0/This is an open access article under the CC BY license (http://creativecommons.org/licenses/by/4.0/). |
spellingShingle | Research Article Tavasoli, Mahtab Feridooni, Tiam Feridooni, Hirad Sokolenko, Stanislav Mishra, Abhishek Lefsay, Abir Srinivassane, Sadish Reid, Sarah Anne Rowsell, Joyce Praest, Molly MacKinnon, Alexandra Mammoliti, Melissa Maloney, Ashley Alyssa Moraca, Marina Uaesoontrachoon, Kitipong Nagaraju, Kanneboyina Hoffman, Eric P. Pasumarthi, Kishore B.S. McMaster, Christopher R. A mouse model of inherited choline kinase β-deficiency presents with specific cardiac abnormalities and a predisposition to arrhythmia |
title | A mouse model of inherited choline kinase β-deficiency presents with specific cardiac abnormalities and a predisposition to arrhythmia |
title_full | A mouse model of inherited choline kinase β-deficiency presents with specific cardiac abnormalities and a predisposition to arrhythmia |
title_fullStr | A mouse model of inherited choline kinase β-deficiency presents with specific cardiac abnormalities and a predisposition to arrhythmia |
title_full_unstemmed | A mouse model of inherited choline kinase β-deficiency presents with specific cardiac abnormalities and a predisposition to arrhythmia |
title_short | A mouse model of inherited choline kinase β-deficiency presents with specific cardiac abnormalities and a predisposition to arrhythmia |
title_sort | mouse model of inherited choline kinase β-deficiency presents with specific cardiac abnormalities and a predisposition to arrhythmia |
topic | Research Article |
url | https://www.ncbi.nlm.nih.gov/pmc/articles/PMC8913350/ https://www.ncbi.nlm.nih.gov/pubmed/35151687 http://dx.doi.org/10.1016/j.jbc.2022.101716 |
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