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High disease activity in ankylosing spondylitis is associated with increased serum sclerostin level and decreased wingless protein-3a signaling but...
Update time:2016-09-20 02:28:37   【 Font: Large  Medium Small

High disease activity in ankylosing spondylitis is associated with increased serum sclerostin level and decreased wingless protein-3a signaling but is not linked with greater structural damage

Abstract

Background
Clinical activity of ankylosing spondylitis (AS) predicts the natural course of the disease and the response to treatment. Several molecules are involved in new bone formation resulting in structural damage in patients with AS. However, the link between the clinical and molecular phenomena has not yet been fully established. To investigate the relation between markers of bone remodeling and inflammation with clinical activity and structural damage in AS.

Methods
We assessed the serum levels of sclerostin, Dickkopf-1 protein, Wingless protein-3a, bone morphogenic protein-7, matrix metalloproteinase-3, osteoprotegerin, bone alkaline phosphatase and inflammatory markers in 50 AS patients with high disease activity (BASDAI ≥ 4), 28 with low disease activity (BASDAI (mSASSS).

Results
Sclerostin level was significantly greater in high disease activity patients than in controls. Wingless protein-3a and Dikkopf-1 protein levels were significantly  lower in high activity group compared to low activity group and controls. Negative correlation was found between sclerostin and Dikkopf-1 protein in high activity group (R = −0.28, P = 0.048). The median mSASSS values were not different between patient groups.

Conclusions
Higher disease activity in AS may not be per se associated with greater new bone formation.

Cited products
Source:BMC Musculoskeletal Disorders      by Mariusz Korkosz, Jerzy G?sowski, Piotr Leszczy?ski, Katarzyna Pawlak-Bu?, S?awomir Jeka, Ewa Kucharska, Tomasz Grodzicki
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