A systematic approach to defining the germline gene counterparts of a mutated autoantibody from a patient with rheumatoid arthritis.

A systematic approach to defining the germline gene counterparts of a mutated autoantibody from a patient with rheumatoid arthritis.
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一种系统方法,用于定义类风湿关节炎患者突变自身抗体的种系基因对应物。

DOI:
10.1002/art.1780350316
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发表时间:
1992
影响因子:
--
通讯作者:
Chen,PP
Chen,PP
中科院分区:
--
文献类型:
--
作者:
Soto-Gil,RW;Olee,T;Klink,BK;Kenny,TP;Robbins,DL;Carson,DA;Chen,PP

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目的:确定疾病状态下潜在高度突变的自身抗体的种系对应物。方法:我们开发了一种系统的方法,首先表征重排的IG基因及其上游侧翼,然后设计合适的引物特异性扩增假定的生殖系对应物。结果。我们鉴定并表征了类风湿因子重链可变区的生殖系对应物。结论。我们明确地表明,类风湿因子重链可变区的生殖系对应物。来源于滑膜组织的类风湿因子的链具有来自相应种系基因的4个置换突变。该技术允许快速评估许多自身抗体的体细胞突变程度,从而有助于阐明患者中诱导和持续产生此类抗体的潜在机制。
Objective.To define the germline counterparts of potentially highly mutated autoantibodies in disease states.Methods.We developed a systematic approach by first characterizing a rearranged Ig gene and its upstream flank, and then designing suitable primers to amplify specifically the putative germline counterpart.Results.We identified and characterized the germline counterpart of a rheumatoid factor heavy chain variable region.Conclusion.We showed unequivocally that the heavy chain of a rheumatoid factor, derived from synovial tissue, has 4 replacement mutations from the corresponding germline gene. The technique allows quick assessment of the degree of somatic mutation in many autoantibodies, and thus can help to elucidate the underlying mechanisms for the induction and sustained production of such antibodies in patients.
DOI: --
发表时间: 1984
影响因子: 5.6
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