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Association between serum dickkopf-1 levels and disease duration in axial spondyloarthritis
Axial spondyloarthritis (axSpA) is characterized by new bone formation. The complex systems underlying this process involve Wnt-signaling pathway. It has been observed that serum levels of dickkopf-1 (DKK-1), an important inhibitor of Wnt-signaling, are decreased in patients with axSpA. However, the...
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Published in: | Reumatología clinica (Barcelona) 2017-07, Vol.13 (4), p.197-200 |
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Main Authors: | , , , , , , |
Format: | Article |
Language: | English |
Subjects: | |
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Online Access: | Get full text |
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Summary: | Axial spondyloarthritis (axSpA) is characterized by new bone formation. The complex systems underlying this process involve Wnt-signaling pathway. It has been observed that serum levels of dickkopf-1 (DKK-1), an important inhibitor of Wnt-signaling, are decreased in patients with axSpA. However, these data are from studies including only patients with long-standing disease.
The aim of this study is to investigate if symptom duration influences on serum DKK-1 levels in patients with axSpA.
A cross-sectional study including consecutive patients with axSpA (ASAS criteria) naïve for anti-TNF therapy. Collected data included demographic and disease characteristics, time since first symptom onset, assessment of disease activity and function, and determination of DKK-1 serum levels. Patients were classified as early axSpA (symptom duration ≤5 years) and established axSpA (>5 years). Linear regression models were employed to investigate the variables related to DKK-1 serum levels.
In total, 90 patients were included. Sixty-eight patients had early axSpA and 22 had established disease. Serum levels of DKK-1 were significantly higher in patients with early axSpA compared with established axSpA (22.1±12.6 vs 16.4±10.7pM; p=0.04). Among all tested variables, only symptom duration was significantly and inversely correlated with DKK-1 serum levels (beta: −0.041; p=0.01).
Serum DKK-1 levels in axSpA depend on disease duration. As disease duration increases, DKK-1 serum levels decrease. Based on this, an intensive treatment at early stages of the disease could have a better outcome on inhibiting/slowing radiographic progression in patients with axSpA.
Espondiloartritis axial (EsPax) se caracteriza por nueva formación ósea. El complejo sistema que subyace este proceso incluye la vía de señal Wnt. Se ha demostrado que niveles séricos de dickkopf-1 (DKK-1), un importante inhibidor de la vía de señal Wnt, está disminuidos en pacientes con EsPax. Sin embargo, estos datos proceden exclusivamente de pacientes con EsPax de larga duración.
El objetivo de este estudio es investigar si la duración de la enfermedad influye en niveles séricos de DKK-1 en pacientes con EsPax.
Estudio transversal en pacientes con EsPax sin terapia anti-TNF. Se recogieron datos demográficos y de la enfermedad, y se determinaron niveles de DKK-1 séricos en la misma visita. Los pacientes fueron clasificados en base a la duración de síntomas en EsPax precoz (≤5 años) y establecida (>5 años). Se emplearon mo |
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ISSN: | 2173-5743 2173-5743 |
DOI: | 10.1016/j.reumae.2016.04.016 |