Document Detail

Epigenetic regulation of pulmonary arterial hypertension.
MedLine Citation:
PMID:  21677658     Owner:  NLM     Status:  Publisher    
Pulmonary arterial hypertension (PAH) is diagnosed as a sustained elevation of pulmonary arterial pressure to more than 25 mm Hg at rest or to more than 30 mm Hg with exercise. PAH is an intrinsic disease of the pulmonary vascular smooth muscle and endothelial cells in association with plexiform lesions, medial thickening, concentric laminar intimal fibrosis and thrombotic lesions. Pulmonary vascular remodeling is the characteristic pathological change of PAH. The pathogenesis of PAH has been studied at the level of smooth muscle and endothelial cells. Existing research does not adequately explain susceptibility to the disease, and recent evidence reveals that epigenetic alterations may be involved in PAH. Epigenetics refers to all heritable changes in phenotype or in gene expression states, including chromatin remodeling, DNA methylation, histone modification and RNA interference, which are not involved in the DNA sequence itself. This review will focus on recent advances in epigenetics related to PAH, including epigenetic changes of superoxide dismutase, endothelial nitric oxide synthase and the bone morphogenetic protein signaling pathway. This will provide new insight for improved treatment and prevention of PAH. Future work aimed at specific epigenetic treatments may prove to be an effective therapy for patients with PAH.Hypertension Research advance online publication, 16 June 2011; doi:10.1038/hr.2011.79.
Xue-Feng Xu; Fen Cheng; Li-Zhong Du
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Publication Detail:
Type:  JOURNAL ARTICLE     Date:  2011-6-16
Journal Detail:
Title:  Hypertension research : official journal of the Japanese Society of Hypertension     Volume:  -     ISSN:  1348-4214     ISO Abbreviation:  -     Publication Date:  2011 Jun 
Date Detail:
Created Date:  2011-6-16     Completed Date:  -     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  9307690     Medline TA:  Hypertens Res     Country:  -    
Other Details:
Languages:  ENG     Pagination:  -     Citation Subset:  -    
The Children's Hospital, Zhejiang University School of Medicine, Hangzhou, PR China.
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