To explore the correlation between Semaphorin 4D (Sema4D) and rheumatoid arthritis (RA) clinical manifestations, laboratory indexes, bone destruction and rheumatoid arthritis related interstitial lung disease(RA-ILD), and to analyze its significance in evaluating the severity of patients with rheumatoid arthritis. A total of 108 RA patients and 50 healthy controls from September 2018 to October 2019 were collected from the Department of Rheumatology and Immunology, Peking University People's Hospital and Beijing Haidian Hospital. According to the DAS 28 score, RA patients were divided into active disease group (DAS28>2.6) and stable disease group (DAS28 ≤ 2.6). Fifty healthy controls. The levels of Sema4D in serum were detected by enzyme-linked immunoassay method (ELISA), and their correlation with clinical manifestations of RA, laboratory indicators, degree of bone damage and RA-ILD were analyzed. The level of serum Sema4D in RA active group was significantly higher than that in stable group and healthy control group (0.05). The concentration serum Sema4D was positively correlated with C-reactive protein(CRP) (0.28, 0.05), rheumatoid factor(RF) (0.25, 0.05) and the 28-joint disease activity score (DAS28) (0.45, 0.01). The concentration serum Sema4D was positively correlated with β-Crosslaps(0.20, 0.05) and Sharp-van der Heijde score (SHS)(0.13, 0.05). The concentration serum Sema4D was positively correlated with Vascular endothelial growth factor (VEGF)(0.25, 0.05) and Warrick score of chest CT in RA patients(0.27, 0.05). The anti-cyclic citrullinated peptid(CCP) antibody, DAS28, VEGF and the incidence of RA-ILD were significantly higher than that in Sema4D negative group (0.05). Serum Sema4D level in RA patients is closely related to the disease activity, bone destruction and RA-ILD. Serum Sema4D can be used as an indicator of disease monitoring and prognosis evaluation in RA patients.
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| http://dx.doi.org/10.3760/cma.j.cn112137-20191130-02613 | DOI Listing |
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