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Am J Physiol Cell Physiol. 2014 Jun 15;306(12):C1101-5. doi: 10.1152/ajpcell.00314.2013. Epub 2014 Apr 9.

Role of epigenetics in pulmonary hypertension.

Author information

1
Division of Allergy and Immunology, Internal Medicine, Morsani College of Medicine, University of South Florida, Tampa, Florida.
2
Division of Allergy and Immunology, Internal Medicine, Morsani College of Medicine, University of South Florida, Tampa, Florida nkollipu@health.usf.edu.

Abstract

A significant amount of research has been conducted to examine the pathologic processes and epigenetic mechanisms contributing to peripheral hypertension. However, few studies have been carried out to understand the vascular remodeling behind pulmonary hypertension (PH), including peripheral artery muscularization, medial hypertrophy and neointima formation in proximal arteries, and plexiform lesion formation. Similarly, research examining some of the epigenetic principles that may contribute to this vascular remodeling, such as DNA methylation and histone modification, is minimal. The understanding of these principles may be the key to developing new and more effective treatments for PH. The purpose of this review is to summarize epigenetic research conducted in the field of hypertension that could possibly be used to understand the epigenetics of PH. Possible future therapies that could be pursued using information from these studies include selective histone deacetylase inhibitors and targeted DNA methyltransferases. Both of these could potentially be used to silence proproliferative or antiapoptotic genes that lead to decreased smooth muscle cell proliferation. Epigenetics may provide a glimmer of hope for the eventual improved treatment of this highly morbid and debilitating disease.

KEYWORDS:

DNA methylation; histone modification

PMID:
24717578
PMCID:
PMC4060002
DOI:
10.1152/ajpcell.00314.2013
[Indexed for MEDLINE]
Free PMC Article

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