The Impact of Immunosenescence on Pulmonary Disease

The global population is aging with significant gains in life expectancy particularly in the developed world. Consequently, greater focus on understanding the processes that underlie physiological aging has occurred. Key facets of advancing age include genomic instability, telomere shortening, epige...

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Main Authors: Murray, Michelle A., Chotirmall, Sanjay Haresh
Other Authors: Lee Kong Chian School of Medicine (LKCMedicine)
Format: Journal Article
Language:English
Published: 2016
Subjects:
Online Access:https://hdl.handle.net/10356/81927
http://hdl.handle.net/10220/39733
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author Murray, Michelle A.
Chotirmall, Sanjay Haresh
author2 Lee Kong Chian School of Medicine (LKCMedicine)
author_facet Lee Kong Chian School of Medicine (LKCMedicine)
Murray, Michelle A.
Chotirmall, Sanjay Haresh
author_sort Murray, Michelle A.
collection NTU
description The global population is aging with significant gains in life expectancy particularly in the developed world. Consequently, greater focus on understanding the processes that underlie physiological aging has occurred. Key facets of advancing age include genomic instability, telomere shortening, epigenetic changes, and declines in immune function termed immunosenescence. Immunosenescence and its associated chronic low grade systemic “inflamm-aging” contribute to the development and progression of pulmonary disease in older individuals. These physiological processes predispose to pulmonary infection and confer specific and unique clinical phenotypes observed in chronic respiratory disease including late-onset asthma, chronic obstructive pulmonary disease, and pulmonary fibrosis. Emerging concepts of the gut and airway microbiome further complicate the interrelationship between host and microorganism particularly from an immunological perspective and especially so in the setting of immunosenescence. This review focuses on our current understanding of the aging process, immunosenescence, and how it can potentially impact on various pulmonary diseases and the human microbiome.
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spelling ntu-10356/819272022-02-16T16:28:29Z The Impact of Immunosenescence on Pulmonary Disease Murray, Michelle A. Chotirmall, Sanjay Haresh Lee Kong Chian School of Medicine (LKCMedicine) life expectancy genomic instability The global population is aging with significant gains in life expectancy particularly in the developed world. Consequently, greater focus on understanding the processes that underlie physiological aging has occurred. Key facets of advancing age include genomic instability, telomere shortening, epigenetic changes, and declines in immune function termed immunosenescence. Immunosenescence and its associated chronic low grade systemic “inflamm-aging” contribute to the development and progression of pulmonary disease in older individuals. These physiological processes predispose to pulmonary infection and confer specific and unique clinical phenotypes observed in chronic respiratory disease including late-onset asthma, chronic obstructive pulmonary disease, and pulmonary fibrosis. Emerging concepts of the gut and airway microbiome further complicate the interrelationship between host and microorganism particularly from an immunological perspective and especially so in the setting of immunosenescence. This review focuses on our current understanding of the aging process, immunosenescence, and how it can potentially impact on various pulmonary diseases and the human microbiome. Published version 2016-01-21T03:29:10Z 2019-12-06T14:43:15Z 2016-01-21T03:29:10Z 2019-12-06T14:43:15Z 2015 Journal Article Murray, M. A., & Chotirmall, S. H. (2015). The Impact of Immunosenescence on Pulmonary Disease. Mediators of Inflammation, 2015, 692546-. 0962-9351 https://hdl.handle.net/10356/81927 http://hdl.handle.net/10220/39733 10.1155/2015/692546 26199462 en Mediators of Inflammation © 2015 Michelle A. Murray and Sanjay H. Chotirmall. This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. 11 p. application/pdf
spellingShingle life expectancy
genomic instability
Murray, Michelle A.
Chotirmall, Sanjay Haresh
The Impact of Immunosenescence on Pulmonary Disease
title The Impact of Immunosenescence on Pulmonary Disease
title_full The Impact of Immunosenescence on Pulmonary Disease
title_fullStr The Impact of Immunosenescence on Pulmonary Disease
title_full_unstemmed The Impact of Immunosenescence on Pulmonary Disease
title_short The Impact of Immunosenescence on Pulmonary Disease
title_sort impact of immunosenescence on pulmonary disease
topic life expectancy
genomic instability
url https://hdl.handle.net/10356/81927
http://hdl.handle.net/10220/39733
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