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学科主题: 临床医学
题名:
What can we learn from the presence of anti-cyclic citrullinated peptide antibodies in systemic lupus erythematosus?
作者: Zhao, Yi2; Li, Jing3; Li, Xiao-xia2; Li, Chun1; Li, Lin2; Li, Zhan-guo1
关键词: Systemic lupus erythematosus ; Arthritis ; Anti-cyclic citrullinated peptide antibodies
刊名: JOINT BONE SPINE
发表日期: 2009-10-01
DOI: 10.1016/j.jbspin.2008.11.007
卷: 76, 期:5, 页:501-507
收录类别: SCI
文章类型: Article
WOS标题词: Science & Technology
类目[WOS]: Rheumatology
研究领域[WOS]: Rheumatology
关键词[WOS]: RHEUMATOID-ARTHRITIS ; EROSIVE ARTHRITIS ; DIAGNOSTIC-ACCURACY ; REVISED CRITERIA ; PROGNOSTIC VALUE ; RO ANTIBODIES ; RHUPUS ; ASSOCIATIONS ; CCP ; CLASSIFICATION
英文摘要:

Background: Anti-cyclic citrullinated peptide (anti-CCP) antibodies have proved to be a specific marker for the diagnosis of rheumatoid arthritis (RA). However, the antibodies can also be detected in other rheumatic diseases, especially systemic lupus erythematosus (SLE). Recent studies have shown anti-CCP antibodies are associated with erosive arthritis in SLE patients. Since erosive arthritis is not common in SLE and many patients with non-erosive arthritis also have anti-CCP antibodies, the clinical significance of anti-CCP antibodies in SLE needs to be further studied.

Objective: To investigate the prevalence and clinical significance of anti-CCP antibodies in Chinese SLE patients.

Methods: Serum samples from 138 SLE patients were examined for anti-CCP with the second generation anti-CCP detection kit. The associations of anti-CCP with clinical and laboratory features, especially arthritis, in such SLE patients were analyzed.

Results: The prevalence of anti-CCP was 13.8% (19/138) in Chinese SLE patients. Seventy of 138 SLE patients had experienced arthritis, of whom 14 patients were anti-CCP+. Significantly, anti-CCP antibodies were more frequently found in SLE patients with arthritis than without arthritis (20% vs 7.4%, P < 0.05). A statistical correlation between anti-CCP and rheumatoid factor (RF) was found in SLE patients with arthritis (r = 0.36, P = 0.002). The frequency of arthritis was significantly higher in SLE patients with anti-CCP than without (73.7% vs 47.1%, P < 0.05). Eight out of 138 SLE patients showed joint erosions on radiographs. When compared with anti-CCP-patients, erosive arthritis occurred more often in anti-CCP+ patients (35.7% vs 5.4%, P < 0.001). Interestingly, two patients without anti-CCP and RF who had erosive arthritis were anti-RA33 antibodies positive. All of 8 SLE patients with erosive arthritis in our study fulfilled 1987 ACR criteria for RA. With regard to other clinical and laboratory features, there were no differences between SLE patients with arthritis and without or between anti-CCP+patients and anti-CCP-patients.

Conclusions: Anti-CCP antibodies have a frequency of 13.8% in Chinese SLE patients and its presence is closely associated with the onset of arthritis and bone erosion. (C) 2009 Societe Francaise de Rhumatologie. Published by Elsevier Masson SAS. All rights reserved.

语种: 英语
所属项目编号: 2006AA02Z4D0
项目资助者: Hi-tech Research and Development Program of China
WOS记录号: WOS:000271570800011
Citation statistics:
内容类型: 期刊论文
URI标识: http://ir.bjmu.edu.cn/handle/400002259/58959
Appears in Collections:北京大学第二临床医学院_期刊论文

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作者单位: 1.Peking Univ, Peoples Hosp, Dept Rheumatol & Immunol, Beijing 100044, Peoples R China
2.Capital Med Univ, Xuanwu Hosp, Dept Rheumatol & Allergy, Beijing, Peoples R China
3.Chinese Acad Sci, Grad Univ, Beijing, Peoples R China

Recommended Citation:
Zhao, Yi,Li, Jing,Li, Xiao-xia,et al. What can we learn from the presence of anti-cyclic citrullinated peptide antibodies in systemic lupus erythematosus?[J]. JOINT BONE SPINE,2009,76(5):501-507.
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