Cited by 245Telomeres, Telomerase, and SenescenceInterstitial Lung Diseases and Idiopathic Pulmonary FibrosisOccupational and environmental lung diseases

Telomerase and idiopathic pulmonary fibrosis

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Armanios, Mary·2012·Mutation Research - Fundamental and Molecular Mechanisms of Mutagenesis

Abstract

Idiopathic pulmonary fibrosis (IPF) is the most common manifestation of telomere-mediated disorders. Germline mutations in the essential telomerase genes, hTERT and hTR, are the causal genetic defect in up to one-sixth of pulmonary fibrosis families. The presence of telomerase mutations in this subset is significant for clinical decisions as affected individuals can develop extra-pulmonary complications related to telomere shortening such as bone marrow failure and cryptogenic liver cirrhosis. There is also evidence that IPF is an ancestral manifestation of autosomal dominant telomere syndromes where, with successive generations, the disease evolves from pulmonary fibrosis into a bone marrow failure-predominant disorder, defining a unique form of genetic anticipation. Here I review the significance of telomere defects for understanding the genetics, disease patterns and pathophysiology of IPF. The importance of this diagnosis for patient care decisions will also be discussed.

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  • Idiopathic pulmonary fibrosis is the most frequent disease manifestation caused by telomere defects.

    “Among these, the lung disease idiopathic pulmonary fibrosis (IPF) — best known until recently by its ‘idiopathic’ adjective — is the most common manifestation of telomere-mediated disease12.”

    From The telomere syndromes (2012) · cites this paper as [12]

  • If slow-turnover tissues need several extra hits before phenotypes appear, this could account for telomere-related lung disease being mild, adult-onset, and usually diagnosed after midlife.

    “A model that requires multiple additional hits for phenotypes to manifest in slow-turnover tissues could explain why telomere-mediated lung disease represents an attenuated, adult-onset phenotype that is commonly seen after middle age12,99.”

    From The telomere syndromes (2012) · cites this paper as [12]

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Authors
Armanios, M.
Affiliations
Johns Hopkins University (US)
Corresponding author
Armanios, Mary
Venue
Mutation Research - Fundamental and Molecular Mechanisms of Mutagenesis
Publisher
Elsevier BV
Published
2012-02
Volume
730
Issue
1-2
Pages
52-58
ISSN
  • 0027-5107 (ISSN-L)
  • 1386-1964
OpenAlex
W1973305610
Cited by
245
References
56
Citations by year
2026: 1 · 2025: 11 · 2024: 4 · 2023: 13 · 2022: 19 · 2021: 19 · 2020: 16 · 2019: 25 · 2018: 18 · 2017: 18 · 2016: 18 · 2015: 25 · 2014: 24 · 2013: 16 · 2012: 16
FWCI
1.99
Type
journal article
Language
en
Open access
Locations
  • Mutation research. Fundamental and molecular mechanisms of mutagenesis (publishedVersion, cc-by-nc-nd)
  • PubMed (publishedVersion)
  • Europe PMC (PubMed Central) (acceptedVersion)
  • PubMed Central (acceptedVersion)
Funders
  • Maryland Stem Cell Research Fund
  • Flight Attendant Medical Research Institute
Topics
  • Health Sciences › Medicine › Physiology › Telomeres, Telomerase, and Senescence
  • Health Sciences › Medicine › Pulmonary and Respiratory Medicine › Interstitial Lung Diseases and Idiopathic Pulmonary Fibrosis
  • Health Sciences › Medicine › Pulmonary and Respiratory Medicine › Occupational and environmental lung diseases
Keywords
idiopathic pulmonary fibrosis, telomerase, hTERT, hTR, germline mutations, telomere shortening, bone marrow failure, cryptogenic cirrhosis, genetic anticipation
MeSH terms
Age Factors, Bone Marrow Diseases, Emphysema, Genes, Dominant, Humans, Pulmonary Fibrosis, Telomerase, Dyskeratosis Congenita, Genetic Predisposition to Disease, Telomere Shortening

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