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Circulating levels of inflammatory markers predict change in bone mineral density and resorption in older adults: a longitudinal study

Citation

Ding, C and Parameswaran, V and Udayan, R and Burgess, J and Jones, G, Circulating levels of inflammatory markers predict change in bone mineral density and resorption in older adults: a longitudinal study, Journal of Clinical and Endocrinology, 93, (5) pp. 1952-1958. ISSN 0021-972X (2008) [Refereed Article]


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Copyright Statement

Copyright 2008 by The Endocrine Society

DOI: doi:10.1210/jc.2007-2325

Abstract

Context: IL-1, IL-6, and TNF-α play an important role in the pathogenesis of osteoporosis in animals; however, evidence that these play a similar role in bone loss in human studies is limited.

Objective: Our objective was to determine the associations between serum markers of inflammation and changes in bone mineral density (BMD) and urinary pyridinoline (PYR) to creatinine (Cr) ratio over 2.9 yr in older adults.

Methods: A total of 168 randomly selected subjects (mean 63 yr, range 52-78, 48% female) was studied. BMD was measured by dual-energy x-ray absorptiometry at baseline (mean T score: -0.18 to -0.61) and 2.9 yr later. Serum high-sensitivity (hs) C-reactive protein (CRP), IL-6, TNF-α, and the urinary PYR/Cr ratio were measured on both occasions.

Results: The mean annual loss of BMD was 0.15, 0.15, and 0.34% at total body, spine, and hip, respectively. Change in total body BMD was associated with baseline hs-CRP, IL-6, and TNF-α, as well as change in hs-CRP (β: -0.41%/U, 95% confidence interval -0.68%, -0.15%) and IL-6 (β: -0.62%/U, 95% confidence interval -1.01%, -0.23%). If these markers were put in the same predictive model, only IL-6 remained largely unchanged. Changes in other BMD sites were significantly predicted by IL-6 (hip and spine) and TNF-α (spine only). Finally, change in the PYR/Cr ratio was positively associated baseline IL-6, hs-CRP, and their changes (all P < 0.05) in women, but not men.

Conclusions: Variation within the low levels of inflammatory markers observed in this study, especially IL-6, predicts bone loss and resorption, suggesting that targeted antiinflammatory therapy has potential for the prevention of osteoporosis.

Item Details

Item Type:Refereed Article
Research Division:Medical and Health Sciences
Research Group:Clinical Sciences
Research Field:Rheumatology and Arthritis
Objective Division:Health
Objective Group:Clinical Health (Organs, Diseases and Abnormal Conditions)
Objective Field:Skeletal System and Disorders (incl. Arthritis)
Author:Ding, C (Professor Chang-Hai Ding)
Author:Burgess, J (Professor John Burgess)
Author:Jones, G (Professor Graeme Jones)
ID Code:54432
Year Published:2008
Web of Science® Times Cited:168
Deposited By:Menzies Institute for Medical Research
Deposited On:2009-02-20
Last Modified:2014-10-07
Downloads:426 View Download Statistics

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