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Assessment of semaphorin 3A and its role in bone remodelling in a group of ankylosing spondylitis patients


1, 2, 3, 4, 5, 6, 7, 8

 

  1. Dipartimento di Medicina e Scienze della Salute Vincenzo Tiberio, Università del Molise, Campobasso, Italy.
  2. Dipartimento di Medicina Interna e Specialità Mediche, UOC di Reumatologia, Sapienza University of Rome, Italy.
  3. Dipartimento di Medicina Interna e Specialità Mediche, UOC di Reumatologia, Sapienza University of Rome, Italy.
  4. Dipartimento di Medicina Interna e Specialità Mediche, UOC di Reumatologia, Sapienza University of Rome, Italy.
  5. Dipartimento di Medicina Interna e Specialità Mediche, UOC di Reumatologia, Sapienza University of Rome, Italy.
  6. Dipartimento di Medicina Interna e Specialità Mediche, UOC di Reumatologia, Sapienza University of Rome, Italy.
  7. Dipartimento di Medicina Interna e Specialità Mediche, UOC di Reumatologia, Sapienza University of Rome, Italy.
  8. Dipartimento di Medicina e Scienze della Salute Vincenzo Tiberio, Università del Molise, Campobasso, Italy. enniolubrano@hotmail.com

CER9393
2017 Vol.35, N°2
PI 0313, PF 0316
Brief Papers

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PMID: 27782869 [PubMed]

Received: 02/03/2016
Accepted : 29/06/2016
In Press: 26/10/2016
Published: 15/03/2017

Abstract

OBJECTIVES:
Several molecules are involved in the pathogenesis of new bone formation in ankylosing spondylitis (AS). The aim of the present study was to evaluate serum levels of semaphoring 3A in AS and to investigate any correlations with radiographic damage, disease activity, function and treatment.
METHODS:
AS patients who fulfilled the modified New York criteria were enrolled for this study. Healthy subjects were also enrolled as control group. BASDAI, ASDAS-CRP, BASMI, BASFI, patients and physician VAS, C-reactive protein and erythrocyte sedimentation rate were evaluated at baseline visit. Radiographs of the spine and pelvis performed within six months from the enrolment in the study were collected in all patients. Spinal damage was assessed using the mSASSS. Serum concentrations of semaphorin3A were assessed at baseline and after four months of therapy in patients who started an anti-TNF.
RESULTS:
Twenty healthy subjects and forty AS patients were enrolled in the study. Of these patients, 15 started anti-TNF therapy the day of baseline visit. Semaphorin3A serum concentrations [median (25th–75th)] were similar in AS patients [0.26 (0.20–0.31) ng/ml] and controls [0.28 (0.26–0.3) ng/ml; p=ns). No significant correlation was found between semaphorin 3A serum levels and radiographic damage index. Semaphorin 3A serum levels positively correlated with ESR values (rho=0.37, p=0.049) and with disease activity assessed by the physician VAS (rho=0.47, p<0.01). No differences were found in the semaphorin3A serum levels after 4 months, compared to baseline values.
CONCLUSIONS:
The results of the present study could contribute to the intriguing topic of bone remodelling in AS.

Rheumatology Article