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  • Title: Serum ICAM-1, VCAM-1 and E-selectin levels in patients with primary and secondary Sjögren's syndrome.
    Author: Błochowiak KJ, Olewicz-Gawlik A, Trzybulska D, Nowak-Gabryel M, Kocięcki J, Witmanowski H, Sokalski J.
    Journal: Adv Clin Exp Med; 2017 Aug; 26(5):835-842. PubMed ID: 29068581.
    Abstract:
    BACKGROUND: Typical features of Sjögren's syndrome (SS) are severe xerostomia and xerophthalmia which are basic diagnostic criteria. OBJECTIVES: The aim of this study was to compare the serum levels of soluble (s) intercellular adhesion molecule 1 (sICAM-1), vascular cell adhesion molecule 1 (sVCAM-1) and sE-selectin between primary (pSS), secondary (sSS) and healthy subjects (HS). We correlated these results with selected clinical parameters of disease activity and parameters of the severity of xerostomia and xerophthalmia. MATERIAL AND METHODS: The serum levels of sICAM-1, sVCAM-1 and sE-selectin were determined by enzyme-linked immunosorbent assay (ELISA) in 16 patients with pSS, 18 with sSS and 15 HS. Eye dryness and xerostomia were assessed by the Schirmer's test, the Fox test and the visual analogue scale (VAS). RESULTS: The levels of sICAM-1 in pSS and sVCAM-1 in sSS patients were significantly higher when compared to HS (p = 0.02 and p = 0.048, respectively). There were no differences between pSS and sSS. In pSS, sVCAM-1 correlated positively with VAS (rS = 0.52, p = 0.04) and the Fox test (rS = 0.66, p=0.01). In sSS, sE-selectin correlated positively with sICAM-1 (rS = 0.54, p = 0.01), the duration of the disease (rS = 0.51, p = 0.03) and negatively with the Schirmer's test (rS = 0.59, p = 0.04). sICAM-1 correlated positively with the erythrocyte sedimentation rate (ESR) value (rS = 0.59, p = 0.01). CONCLUSIONS: sVCAM-1 reflects xerostomia in pSS. sICAM-1 and sE-selectin may be additional parameters of sSS activity.
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