Epigenetic Reader Bromodomain-Containing Protein 4 in Aging-Related Vascular Pathologies and Diseases: Molecular Basis, Functional Relevance, and Clinical Potential

Aging is a key independent risk factor of various vascular diseases, for which the regulatory mechanisms remain largely unknown. Bromodomain-containing protein 4 (BRD4) is a member of the Bromodomain and Extra-Terminal domain (BET) family and is an epigenetic reader playing diverse roles in regulati...

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Main Authors: Xiaoxu Zheng, Kotryna Diktonaite, Hongyu Qiu
Format: Article
Language:English
Published: MDPI AG 2023-07-01
Series:Biomolecules
Subjects:
Online Access:https://www.mdpi.com/2218-273X/13/7/1135
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author Xiaoxu Zheng
Kotryna Diktonaite
Hongyu Qiu
author_facet Xiaoxu Zheng
Kotryna Diktonaite
Hongyu Qiu
author_sort Xiaoxu Zheng
collection DOAJ
description Aging is a key independent risk factor of various vascular diseases, for which the regulatory mechanisms remain largely unknown. Bromodomain-containing protein 4 (BRD4) is a member of the Bromodomain and Extra-Terminal domain (BET) family and is an epigenetic reader playing diverse roles in regulating transcriptional elongation, chromatin remodeling, DNA damage response, and alternative splicing in various cells and tissues. While BRD4 was initially recognized for its involvement in cancer progression, recent studies have revealed that the aberrant expression and impaired function of BRD4 were highly associated with aging-related vascular pathology, affecting multiple key biological processes in the vascular cells and tissues, providing new insights into the understanding of vascular pathophysiology and pathogenesis of vascular diseases. This review summarizes the recent advances in BRD4 biological function, and the progression of the studies related to BRD4 in aging-associated vascular pathologies and diseases, including atherosclerosis, aortic aneurism vascular neointima formation, pulmonary hypertension, and essential hypertension, providing updated information to advance our understanding of the epigenetic mechanisms in vascular diseases during aging and paving the way for future research and therapeutic approaches.
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spelling doaj.art-0d1f5a4a3d944265bf3c29ec4f13a8cd2023-11-18T18:31:56ZengMDPI AGBiomolecules2218-273X2023-07-01137113510.3390/biom13071135Epigenetic Reader Bromodomain-Containing Protein 4 in Aging-Related Vascular Pathologies and Diseases: Molecular Basis, Functional Relevance, and Clinical PotentialXiaoxu Zheng0Kotryna Diktonaite1Hongyu Qiu2Center for Molecular and Translational Medicine, Institute of Biomedical Science, Georgia State University, Atlanta, GA 30303, USACenter for Molecular and Translational Medicine, Institute of Biomedical Science, Georgia State University, Atlanta, GA 30303, USACenter for Molecular and Translational Medicine, Institute of Biomedical Science, Georgia State University, Atlanta, GA 30303, USAAging is a key independent risk factor of various vascular diseases, for which the regulatory mechanisms remain largely unknown. Bromodomain-containing protein 4 (BRD4) is a member of the Bromodomain and Extra-Terminal domain (BET) family and is an epigenetic reader playing diverse roles in regulating transcriptional elongation, chromatin remodeling, DNA damage response, and alternative splicing in various cells and tissues. While BRD4 was initially recognized for its involvement in cancer progression, recent studies have revealed that the aberrant expression and impaired function of BRD4 were highly associated with aging-related vascular pathology, affecting multiple key biological processes in the vascular cells and tissues, providing new insights into the understanding of vascular pathophysiology and pathogenesis of vascular diseases. This review summarizes the recent advances in BRD4 biological function, and the progression of the studies related to BRD4 in aging-associated vascular pathologies and diseases, including atherosclerosis, aortic aneurism vascular neointima formation, pulmonary hypertension, and essential hypertension, providing updated information to advance our understanding of the epigenetic mechanisms in vascular diseases during aging and paving the way for future research and therapeutic approaches.https://www.mdpi.com/2218-273X/13/7/1135agingbromodomain-containing protein 4epigeneticvascular functiondiseases
spellingShingle Xiaoxu Zheng
Kotryna Diktonaite
Hongyu Qiu
Epigenetic Reader Bromodomain-Containing Protein 4 in Aging-Related Vascular Pathologies and Diseases: Molecular Basis, Functional Relevance, and Clinical Potential
Biomolecules
aging
bromodomain-containing protein 4
epigenetic
vascular function
diseases
title Epigenetic Reader Bromodomain-Containing Protein 4 in Aging-Related Vascular Pathologies and Diseases: Molecular Basis, Functional Relevance, and Clinical Potential
title_full Epigenetic Reader Bromodomain-Containing Protein 4 in Aging-Related Vascular Pathologies and Diseases: Molecular Basis, Functional Relevance, and Clinical Potential
title_fullStr Epigenetic Reader Bromodomain-Containing Protein 4 in Aging-Related Vascular Pathologies and Diseases: Molecular Basis, Functional Relevance, and Clinical Potential
title_full_unstemmed Epigenetic Reader Bromodomain-Containing Protein 4 in Aging-Related Vascular Pathologies and Diseases: Molecular Basis, Functional Relevance, and Clinical Potential
title_short Epigenetic Reader Bromodomain-Containing Protein 4 in Aging-Related Vascular Pathologies and Diseases: Molecular Basis, Functional Relevance, and Clinical Potential
title_sort epigenetic reader bromodomain containing protein 4 in aging related vascular pathologies and diseases molecular basis functional relevance and clinical potential
topic aging
bromodomain-containing protein 4
epigenetic
vascular function
diseases
url https://www.mdpi.com/2218-273X/13/7/1135
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AT kotrynadiktonaite epigeneticreaderbromodomaincontainingprotein4inagingrelatedvascularpathologiesanddiseasesmolecularbasisfunctionalrelevanceandclinicalpotential
AT hongyuqiu epigeneticreaderbromodomaincontainingprotein4inagingrelatedvascularpathologiesanddiseasesmolecularbasisfunctionalrelevanceandclinicalpotential