Telomere length associates with chronological age and mortality across racially diverse pulmonary fibrosis cohorts.
Journal
Nature communications
ISSN: 2041-1723
Titre abrégé: Nat Commun
Pays: England
ID NLM: 101528555
Informations de publication
Date de publication:
17 03 2023
17 03 2023
Historique:
received:
03
04
2022
accepted:
06
03
2023
entrez:
18
3
2023
pubmed:
19
3
2023
medline:
22
3
2023
Statut:
epublish
Résumé
Pulmonary fibrosis (PF) is characterized by profound scarring and poor survival. We investigated the association of leukocyte telomere length (LTL) with chronological age and mortality across racially diverse PF cohorts. LTL measurements among participants with PF stratified by race/ethnicity were assessed in relation to age and all-cause mortality, and compared to controls. Generalized linear models were used to evaluate the age-LTL relationship, Cox proportional hazards models were used for hazard ratio estimation, and the Cochran-Armitage test was used to assess quartiles of LTL. Standardized LTL shortened with increasing chronological age; this association in controls was strengthened in PF (R = -0.28; P < 0.0001). In PF, age- and sex-adjusted LTL below the median consistently predicted worse mortality across all racial groups (White, HR = 2.21, 95% CI = 1.79-2.72; Black, HR = 2.22, 95% CI = 1.05-4.66; Hispanic, HR = 3.40, 95% CI = 1.88-6.14; and Asian, HR = 2.11, 95% CI = 0.55-8.23). LTL associates uniformly with chronological age and is a biomarker predictive of mortality in PF across racial groups.
Identifiants
pubmed: 36932145
doi: 10.1038/s41467-023-37193-6
pii: 10.1038/s41467-023-37193-6
pmc: PMC10023792
doi:
Types de publication
Journal Article
Research Support, Non-U.S. Gov't
Research Support, N.I.H., Extramural
Langues
eng
Sous-ensembles de citation
IM
Pagination
1489Subventions
Organisme : NHLBI NIH HHS
ID : K23 HL148498
Pays : United States
Informations de copyright
© 2023. The Author(s).
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