Cited by 469Interstitial Lung Diseases and Idiopathic Pulmonary FibrosisTelomeres, Telomerase, and SenescenceGenomics and Rare Diseases

Exome sequencing links mutations in PARN and RTEL1 with familial pulmonary fibrosis and telomere shortening

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Stuart, Bridget D, Choi, Jungmin, Zaidi, Samir, Xing, Chao, Holohan, Brody, Chen, Rui, Choi, Mihwa, Dharwadkar, Pooja +13 more·2015·Nature Genetics

Abstract

Idiopathic pulmonary fibrosis (IPF) is an age-related disease featuring progressive lung scarring. To elucidate the molecular basis of IPF, we performed exome sequencing of familial kindreds with pulmonary fibrosis. Gene burden analysis comparing 78 European cases and 2,816 controls implicated PARN, an exoribonuclease with no previous connection to telomere biology or disease, with five new heterozygous damaging mutations in unrelated cases and none in controls (P = 1.3 × 10(-8)); mutations were shared by all affected relatives (odds in favor of linkage = 4,096:1). RTEL1, an established locus for dyskeratosis congenita, harbored significantly more new damaging and missense variants at conserved residues in cases than in controls (P = 1.6 × 10(-6)). PARN and RTEL1 mutation carriers had shortened leukocyte telomere lengths, and we observed epigenetic inheritance of short telomeres in family members. Together, these genes explain ~7% of familial pulmonary fibrosis and strengthen the link between lung fibrosis and telomere dysfunction.

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  • Causality of telomere dysfunction in familial and sporadic IPF is indicated by germline mutations in genes involved in telomere maintenance.

    “Causality of telomere dysfunction in familial and sporadic IPF is indicated by the detection of germline mutations in genes involved in telomere maintenance57,58.”

    From Telomere dysfunction in ageing and age-related diseases (2022) · cites this paper as [58]

    The Abstract (page unavailable) reports inherited PARN and RTEL1 mutations in familial pulmonary fibrosis, shortened telomeres in mutation carriers, and a strengthened link between fibrosis and telomere dysfunction. It separately notes short telomeres in sporadic IPF, but does not show that germline mutations establish telomere dysfunction as causal in sporadic IPF. (LLM, conf=0.87)

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Authors
Stuart, B. D., Choi, J., Zaidi, S., Xing, C., Holohan, B., Chen, R., Choi, M., Dharwadkar, P., Torres, F., Girod, C. E., Weissler, J., Fitzgerald, J., Kershaw, C., Klesney-Tait, J., Mageto, Y., Shay, J. W., Ji, W., Bilguvar, K., Mane, S., Lifton, R. P., & Garcia, C. K.
Affiliations
  • The University of Texas Southwestern Medical Center (US)
  • Howard Hughes Medical Institute (US)
  • University of Vermont (US)
  • Yale University (US)
Corresponding author
Garcia, Christine Kim
Venue
Nature Genetics
Published
2015-04-13
Volume
47
Issue
5
Pages
512-517
ISSN
  • 1061-4036 (ISSN-L)
  • 1546-1718
OpenAlex
W1987722665
Cited by
469
References
39
Citations by year
2026: 19 · 2025: 35 · 2024: 33 · 2023: 42 · 2022: 43 · 2021: 34 · 2020: 44 · 2019: 57 · 2018: 54 · 2017: 48 · 2016: 39 · 2015: 17 · 2014: 2 · 2013: 1
FWCI
41.71
Type
journal article
Language
en
Open access
Locations
  • Nature Genetics (publishedVersion)
  • PubMed (publishedVersion)
  • PubMed Central (acceptedVersion)
Funders
  • Howard Hughes Medical Institute
  • National Institutes of Health (UL1TR001105)
  • National Heart, Lung, and Blood Institute (R01HL093096)
  • National Human Genome Research Institute (U54HG006504)
  • National Institute of General Medical Sciences (T32GM007205)
  • National Institute of Diabetes and Digestive and Kidney Diseases (P30DK054759)
  • National Institute of Environmental Health Sciences (P30ES005605)
  • National Center for Advancing Translational Sciences
  • Eunice Kennedy Shriver National Institute of Child Health and Human Development (K12HD068369)
Topics
  • Health Sciences › Medicine › Pulmonary and Respiratory Medicine › Interstitial Lung Diseases and Idiopathic Pulmonary Fibrosis
  • Health Sciences › Medicine › Physiology › Telomeres, Telomerase, and Senescence
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Genetics › Genomics and Rare Diseases
Keywords
familial pulmonary fibrosis, idiopathic pulmonary fibrosis, PARN, RTEL1, telomere shortening, telomere dysfunction, exoribonuclease, rare damaging variants, co-segregation, gene burden analysis, epigenetic inheritance, dyskeratosis congenita, genetic risk factors
MeSH terms
Adult, Aged, Aged, 80 and over, Amino Acid Sequence, Cells, Cultured, DNA Mutational Analysis, DNA Helicases, Exoribonucleases, Female, Humans, Leukocytes, Lod Score, Male, Middle Aged, Molecular Sequence Data, Pedigree, Case-Control Studies, Telomere, Genetic Predisposition to Disease, Idiopathic Pulmonary Fibrosis, Genetic Association Studies, Exome, Telomere Shortening

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