Implications of the diversity of class I HLA associations in psoriatic arthritis.

Implications of the diversity of class I HLA associations in psoriatic arthritis.
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DOI:
10.1016/j.clim.2016.07.019
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发表时间:
2016-11
期刊:
Clinical immunology (Orlando, Fla.)
影响因子:
--
通讯作者:
FitzGerald O
FitzGerald O
中科院分区:
其他
文献类型:
--
作者:
Winchester R;Giles J;Jadon D;Haroon M;McHugh N;FitzGerald O

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我们试图使用来自巴斯的219名患者队列来验证和扩展来自都柏林的282名银屑病关节炎患者队列的发现。本研究的中心发现是,发现几个结构无关的HLA等位基因,包括B*08:01:01、B*18:01:01、B*27:05:02、B*55:01:01和C*06:02:01,与银屑病关节炎的特定表型特征显著相关,这意味着银屑病关节炎的临床诊断指定了个体的遗传异质性子集。放射学骶髂关节炎与B*08:01:01或B*27:05:02相关,暗示MHC分子在适应性免疫应答中的作用。银屑病关节炎的诊断标准,因为在标准中使用的一些疾病特征是遗传控制的影响。这些发现对于理解MHC等位基因在指导适应性免疫应答介导银屑病关节炎炎症中的作用具有重要意义。
We sought to validate and extend the findings of a 282 psoriatic arthritis patient cohort from Dublin using a 219 patient cohort from Bath. The central finding of this study was that several structurally unrelated HLA alleles, including B*08:01:01, B*18:01:01, B*27:05:02, B*55:01:01 and C*06:02:01, were found to be significantly associated with particular phenotypic features of psoriatic arthritis, implying that the clinical diagnosis of psoriatic arthritis designates a genetically heterogeneous subset of individuals. Radiographic sacroiliitis was associated with either B*08:01:01, or B*27:05:02 with implications about the role of MHC molecules in an adaptive immune response. There are implications for psoriatic arthritis diagnostic criteria since some disease features used in the criteria are under genetic control. These findings have important implications for understanding the role of MHC alleles in directing the adaptive immune response to mediate the inflammation responsible for psoriatic arthritis.
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