Citrullinated proteins: sparks that may ignite the fire in rheumatoid arthritis.

Citrullinated proteins: sparks that may ignite the fire in rheumatoid arthritis.
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DOI:
10.1186/ar1184
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发表时间:
2004
影响因子:
4.9
通讯作者:
van Venrooij WJ
van Venrooij WJ
中科院分区:
医学2区
文献类型:
--
作者:
Vossenaar ER;van Venrooij WJ

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针对瓜氨酸化蛋白的抗体(例如抗CCP [环瓜氨酸肽]抗体)对类风湿性关节炎(RA)具有高度特异性。这些抗体在RA的炎症部位产生,因此预期瓜氨酸化抗原也存在于发炎的滑膜中。我们讨论的文献表明,在滑膜中的瓜氨酸化蛋白的存在是不特定的类风湿关节炎。因此,RA特异性抗体最有可能是RA患者中特异性发生的异常免疫应答的结果。最近显示抗CCP抗体的存在先于RA临床症状的发作数年。因此,它似乎可能需要数年的初始事件,导致抗CCP抗体的产生,发展成为全面的疾病。
Antibodies directed to citrullinated proteins (e.g. anti-CCP [cyclic citrullinated peptide] antibodies) are highly specific for rheumatoid arthritis (RA). These antibodies are produced at the site of inflammation in RA, and therefore citrullinated antigens are also expected to be present in the inflamed synovium. We discuss literature showing that the presence of citrullinated proteins in the synovium is not specific for RA. The RA-specific antibodies are therefore most likely the result of an abnormal immune response that specifically occurs in RA patients. It was recently shown that presence of anti-CCP antibodies precedes the onset of clinical symptoms of RA by years. It thus appears that it may take years for initial events that cause the generation of anti-CCP antibodies to develop into full-blown disease.
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影响因子: 3.2
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