Title | Fibrosis-related biomarkers and risk of total and cause-specific mortality: the cardiovascular health study. |
Publication Type | Journal Article |
Year of Publication | 2014 |
Authors | Agarwal, I, Glazer, NL, Barasch, E, Biggs, ML, Djoussé, L, Fitzpatrick, AL, Gottdiener, JS, Ix, JH, Kizer, JR, Rimm, EB, Siscovick, DS, Tracy, RP, Zieman, SJ, Mukamal, KJ |
Journal | Am J Epidemiol |
Volume | 179 |
Issue | 11 |
Pagination | 1331-9 |
Date Published | 2014 Jun 01 |
ISSN | 1476-6256 |
Keywords | Aged, Aged, 80 and over, Biomarkers, Cause of Death, Female, Fibrosis, Follow-Up Studies, Humans, Likelihood Functions, Male, Multivariate Analysis, Peptide Fragments, Procollagen, Proportional Hazards Models, Prospective Studies, Risk Factors, Transforming Growth Factor beta |
Abstract | <p>Fibrosis has been implicated in diverse diseases of the liver, kidney, lungs, and heart, but its importance as a risk factor for mortality remains unconfirmed. We determined the prospective associations of 2 complementary biomarkers of fibrosis, transforming growth factor-β (TGF-β) and procollagen type III N-terminal propeptide (PIIINP), with total and cause-specific mortality risks among community-living older adults in the Cardiovascular Health Study (1996-2010). We measured circulating TGF-β and PIIINP levels in plasma samples collected in 1996 and ascertained the number of deaths through 2010. Both TGF-β and PIIINP were associated with elevated risks of total and pulmonary mortality after adjustment for sociodemographic, clinical, and biochemical risk factors. For total mortality, the hazard ratios per doubling of TGF-β and PIIINP were 1.09 (95% confidence interval (CI): 1.01, 1.17; P = 0.02) and 1.14 (CI: 1.03, 1.27; P = 0.01), respectively. The corresponding hazard ratios for pulmonary mortality were 1.27 (CI: 1.01, 1.60; P = 0.04) for TGF-β and 1.52 (CI: 1.11, 2.10; P = 0.01) for PIIINP. Associations of TGF-β and PIIINP with total and pulmonary mortality were strongest among individuals with higher C-reactive protein concentrations (P for interaction < 0.05). Our findings provide some of the first large-scale prospective evidence that circulating biomarkers of fibrosis measured late in life are associated with death. </p> |
DOI | 10.1093/aje/kwu067 |
Alternate Journal | Am. J. Epidemiol. |
PubMed ID | 24771724 |
PubMed Central ID | PMC4036218 |
Grant List | N01HC55222 / HC / NHLBI NIH HHS / United States HL085083 / HL / NHLBI NIH HHS / United States N01HC85080 / HC / NHLBI NIH HHS / United States HHSN268200800007C / HL / NHLBI NIH HHS / United States N01HC55222 / HL / NHLBI NIH HHS / United States R01 HL094555 / HL / NHLBI NIH HHS / United States N01HC85086 / HL / NHLBI NIH HHS / United States HL094555 / HL / NHLBI NIH HHS / United States N01HC85081 / HC / NHLBI NIH HHS / United States N01HC85079 / HC / NHLBI NIH HHS / United States R01 HL085083 / HL / NHLBI NIH HHS / United States HHSN268201200036C / HL / NHLBI NIH HHS / United States F30 HL118775 / HL / NHLBI NIH HHS / United States N01HC85086 / HC / NHLBI NIH HHS / United States N01HC85082 / HC / NHLBI NIH HHS / United States HL118775-01 / HL / NHLBI NIH HHS / United States N01HC85082 / HL / NHLBI NIH HHS / United States N01HC85083 / HL / NHLBI NIH HHS / United States N01HC85083 / HC / NHLBI NIH HHS / United States N01HC85079 / HL / NHLBI NIH HHS / United States R01 AG023629 / AG / NIA NIH HHS / United States N01HC85080 / HL / NHLBI NIH HHS / United States AG023629 / AG / NIA NIH HHS / United States R56 AG023629 / AG / NIA NIH HHS / United States N01HC85081 / HL / NHLBI NIH HHS / United States |