Autoantibodies to posttranslational modifications in rheumatoid arthritis.

Autoantibodies to posttranslational modifications in rheumatoid arthritis.
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DOI:
10.1155/2014/492873
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发表时间:
2014
影响因子:
4.6
通讯作者:
Ponchel F
Ponchel F
中科院分区:
医学3区
文献类型:
--
作者:
Burska AN;Hunt L;Boissinot M;Strollo R;Ryan BJ;Vital E;Nissim A;Winyard PG;Emery P;Ponchel F

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长期以来,自身抗体一直与人类病理学相关,特别是与自身免疫性疾病(AIDS)相关。自20世纪30年代末以来,已知风湿因子(RF)与类风湿性关节炎(RA)相关。在上个世纪抗瓜氨酸化蛋白抗体的发现改变了这一点,并且此后描述了与RA相关的其他翻译后修饰(PTM)。这种PTM在蛋白质中引入新表位,其可以产生新的自身抗体特异性。最近认识到这些新的特异性RA提供了一个独特的机会,了解人类B细胞在体内的发展。在本文中,我们将审查三个主要类别的PTM已经与RA:瓜氨酸,氨甲酰化,氧化。随着研究方法的进步,可以预期在自身免疫性疾病患者中可以发现其他针对PTM蛋白的自身抗体。许多这样的自身抗体可以提供显著的生物标志物潜力。
Autoantibodies have been associated with human pathologies for a long time, particularly with autoimmune diseases (AIDs). Rheumatoid factor (RF) is known since the late 1930s to be associated with rheumatoid arthritis (RA). The discovery of anticitrullinated protein antibodies in the last century has changed this and other posttranslational modifications (PTM) relevant to RA have since been described. Such PTM introduce neoepitopes in proteins that can generate novel autoantibody specificities. The recent recognition of these novel specificities in RA provides a unique opportunity to understand human B-cell development in vivo. In this paper, we will review the three of the main classes of PTMs already associated with RA: citrullination, carbamylation, and oxidation. With the advancement of research methodologies it should be expected that other autoantibodies against PTM proteins could be discovered in patients with autoimmune diseases. Many of such autoantibodies may provide significant biomarker potential.
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