Relationship between circulating FGF23 and total body atherosclerosis in the community
Open Access
- 9 May 2009
- journal article
- research article
- Published by Oxford University Press (OUP) in Nephrology Dialysis Transplantation
- Vol. 24 (10), 3125-3131
- https://doi.org/10.1093/ndt/gfp205
Abstract
Background. Fibroblast growth factor-23 (FGF23) is a regulator of mineral metabolism and has been suggested to play a role in vascular calcification in chronic kidney disease (CKD). Data on the association between FGF23 and atherosclerosis, both in CKD and in the community, is limited. Methods. The total body atherosclerosis score (AS) was determined by a magnetic resonance imaging-based angiography in 306 elderly men and women, representing a subsample of the community-based PIVUS cohort. Subjects were divided into three categories based on AS: AS = 0, low AS and high AS. Serum FGF23 was measured using a two-site monoclonal antibody ELISA. Results. In continuous and multi-category regression models, higher FGF23 was associated with a significant increase in the odds of having a high AS (OR 1.43, CI 1.06–1.92 to OR 3.01, CI 1.52–5.99). This association was stronger in individuals with eGFR 0 in crude models (OR 1.93, CI 1.05–3.55), but this was not statistically significant in adjusted (OR 1.42, CI 0.74–1.72) models. Conclusions. We provide novel evidence supporting an association between serum FGF23 and total body atherosclerosis in the community. Additional studies are warranted to determine the prospective relationship between FGF23 and atherosclerosis, and whether FGF23 is a modifiable cardiovascular risk factor.Keywords
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