DNA Damage and Repair in Pulmonary Arterial Hypertension

Pulmonary arterial hypertension (PAH) is a complex multifactorial disease with both genetic and environmental dynamics contributing to disease progression. Over the last decade, several studies have demonstrated the presence of genomic instability and increased levels of DNA damage in PAH lung vascu...

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Main Authors: Samantha Sharma, Micheala A. Aldred
Format: Article
Language:English
Published: MDPI AG 2020-10-01
Series:Genes
Subjects:
Online Access:https://www.mdpi.com/2073-4425/11/10/1224
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author Samantha Sharma
Micheala A. Aldred
author_facet Samantha Sharma
Micheala A. Aldred
author_sort Samantha Sharma
collection DOAJ
description Pulmonary arterial hypertension (PAH) is a complex multifactorial disease with both genetic and environmental dynamics contributing to disease progression. Over the last decade, several studies have demonstrated the presence of genomic instability and increased levels of DNA damage in PAH lung vascular cells, which contribute to their pathogenic apoptosis-resistant and proliferating characteristics. In addition, the dysregulated DNA damage response pathways have been indicated as causal factors for the presence of persistent DNA damage. To understand the significant implications of DNA damage and repair in PAH pathogenesis, the current review summarizes the recent advances made in this field. This includes an overview of the observed DNA damage in the nuclear and mitochondrial genome of PAH patients. Next, the irregularities observed in various DNA damage response pathways and their role in accumulating DNA damage, escaping apoptosis, and proliferation under a DNA damaging environment are discussed. Although the current literature establishes the pertinence of DNA damage in PAH, additional studies are required to understand the temporal sequence of the above-mentioned events. Further, an exploration of different types of DNA damage in conjunction with associated impaired DNA damage response in PAH will potentially stimulate early diagnosis of the disease and development of novel therapeutic strategies.
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spelling doaj.art-46b4f0ab878848c299914eec03d107082023-11-20T17:40:27ZengMDPI AGGenes2073-44252020-10-011110122410.3390/genes11101224DNA Damage and Repair in Pulmonary Arterial HypertensionSamantha Sharma0Micheala A. Aldred1Division of Pulmonary, Critical Care, Sleep & Occupational Medicine, Department of Medicine, Indiana University School of Medicine, Indianapolis, IN 46202, USADivision of Pulmonary, Critical Care, Sleep & Occupational Medicine, Department of Medicine, Indiana University School of Medicine, Indianapolis, IN 46202, USAPulmonary arterial hypertension (PAH) is a complex multifactorial disease with both genetic and environmental dynamics contributing to disease progression. Over the last decade, several studies have demonstrated the presence of genomic instability and increased levels of DNA damage in PAH lung vascular cells, which contribute to their pathogenic apoptosis-resistant and proliferating characteristics. In addition, the dysregulated DNA damage response pathways have been indicated as causal factors for the presence of persistent DNA damage. To understand the significant implications of DNA damage and repair in PAH pathogenesis, the current review summarizes the recent advances made in this field. This includes an overview of the observed DNA damage in the nuclear and mitochondrial genome of PAH patients. Next, the irregularities observed in various DNA damage response pathways and their role in accumulating DNA damage, escaping apoptosis, and proliferation under a DNA damaging environment are discussed. Although the current literature establishes the pertinence of DNA damage in PAH, additional studies are required to understand the temporal sequence of the above-mentioned events. Further, an exploration of different types of DNA damage in conjunction with associated impaired DNA damage response in PAH will potentially stimulate early diagnosis of the disease and development of novel therapeutic strategies.https://www.mdpi.com/2073-4425/11/10/1224pulmonary arterial hypertensionendothelial cellssmooth muscle cellsDNA damageDNA repair
spellingShingle Samantha Sharma
Micheala A. Aldred
DNA Damage and Repair in Pulmonary Arterial Hypertension
Genes
pulmonary arterial hypertension
endothelial cells
smooth muscle cells
DNA damage
DNA repair
title DNA Damage and Repair in Pulmonary Arterial Hypertension
title_full DNA Damage and Repair in Pulmonary Arterial Hypertension
title_fullStr DNA Damage and Repair in Pulmonary Arterial Hypertension
title_full_unstemmed DNA Damage and Repair in Pulmonary Arterial Hypertension
title_short DNA Damage and Repair in Pulmonary Arterial Hypertension
title_sort dna damage and repair in pulmonary arterial hypertension
topic pulmonary arterial hypertension
endothelial cells
smooth muscle cells
DNA damage
DNA repair
url https://www.mdpi.com/2073-4425/11/10/1224
work_keys_str_mv AT samanthasharma dnadamageandrepairinpulmonaryarterialhypertension
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