Mitochondrial nucleoid in cardiac homeostasis: bidirectional signaling of mitochondria and nucleus in cardiac diseases

Metabolic function and energy production in eukaryotic cells are regulated by mitochondria, which have been recognized as the intracellular ‘powerhouses’ of eukaryotic cells for their regulation of cellular homeostasis. Mitochondrial function is important not only in normal developmental and physiol...

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Main Authors: Feng, Y, Huang, W, Paul, C, Liu, X, Sadayappan, S, Wang, Y, Pauklin, S
Format: Journal article
Language:English
Published: Springer 2021
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author Feng, Y
Huang, W
Paul, C
Liu, X
Sadayappan, S
Wang, Y
Pauklin, S
author_facet Feng, Y
Huang, W
Paul, C
Liu, X
Sadayappan, S
Wang, Y
Pauklin, S
author_sort Feng, Y
collection OXFORD
description Metabolic function and energy production in eukaryotic cells are regulated by mitochondria, which have been recognized as the intracellular ‘powerhouses’ of eukaryotic cells for their regulation of cellular homeostasis. Mitochondrial function is important not only in normal developmental and physiological processes, but also in a variety of human pathologies, including cardiac diseases. An emerging topic in the field of cardiovascular medicine is the implication of mitochondrial nucleoid for metabolic reprogramming. This review describes the linear/3D architecture of the mitochondrial nucleoid (e.g., highly organized protein-DNA structure of nucleoid) and how it is regulated by a variety of factors, such as noncoding RNA and its associated R-loop, for metabolic reprogramming in cardiac diseases. In addition, we highlight many of the presently unsolved questions regarding cardiac metabolism in terms of bidirectional signaling of mitochondrial nucleoid and 3D chromatin structure in the nucleus. In particular, we explore novel techniques to dissect the 3D structure of mitochondrial nucleoid and propose new insights into the mitochondrial retrograde signaling, and how it regulates the nuclear (3D) chromatin structures in mitochondrial diseases.
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spelling oxford-uuid:c7d46bcf-3cc9-45a9-90de-861e2879ee632022-03-27T06:48:07ZMitochondrial nucleoid in cardiac homeostasis: bidirectional signaling of mitochondria and nucleus in cardiac diseasesJournal articlehttp://purl.org/coar/resource_type/c_dcae04bcuuid:c7d46bcf-3cc9-45a9-90de-861e2879ee63EnglishSymplectic ElementsSpringer2021Feng, YHuang, WPaul, CLiu, XSadayappan, SWang, YPauklin, SMetabolic function and energy production in eukaryotic cells are regulated by mitochondria, which have been recognized as the intracellular ‘powerhouses’ of eukaryotic cells for their regulation of cellular homeostasis. Mitochondrial function is important not only in normal developmental and physiological processes, but also in a variety of human pathologies, including cardiac diseases. An emerging topic in the field of cardiovascular medicine is the implication of mitochondrial nucleoid for metabolic reprogramming. This review describes the linear/3D architecture of the mitochondrial nucleoid (e.g., highly organized protein-DNA structure of nucleoid) and how it is regulated by a variety of factors, such as noncoding RNA and its associated R-loop, for metabolic reprogramming in cardiac diseases. In addition, we highlight many of the presently unsolved questions regarding cardiac metabolism in terms of bidirectional signaling of mitochondrial nucleoid and 3D chromatin structure in the nucleus. In particular, we explore novel techniques to dissect the 3D structure of mitochondrial nucleoid and propose new insights into the mitochondrial retrograde signaling, and how it regulates the nuclear (3D) chromatin structures in mitochondrial diseases.
spellingShingle Feng, Y
Huang, W
Paul, C
Liu, X
Sadayappan, S
Wang, Y
Pauklin, S
Mitochondrial nucleoid in cardiac homeostasis: bidirectional signaling of mitochondria and nucleus in cardiac diseases
title Mitochondrial nucleoid in cardiac homeostasis: bidirectional signaling of mitochondria and nucleus in cardiac diseases
title_full Mitochondrial nucleoid in cardiac homeostasis: bidirectional signaling of mitochondria and nucleus in cardiac diseases
title_fullStr Mitochondrial nucleoid in cardiac homeostasis: bidirectional signaling of mitochondria and nucleus in cardiac diseases
title_full_unstemmed Mitochondrial nucleoid in cardiac homeostasis: bidirectional signaling of mitochondria and nucleus in cardiac diseases
title_short Mitochondrial nucleoid in cardiac homeostasis: bidirectional signaling of mitochondria and nucleus in cardiac diseases
title_sort mitochondrial nucleoid in cardiac homeostasis bidirectional signaling of mitochondria and nucleus in cardiac diseases
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