免疫球蛋白轻链
卡帕
类风湿因子
聚合酶链反应
生殖系
基因
遗传学
分子生物学
生物
种系突变
核苷酸
类风湿性关节炎
突变
免疫学
抗体
语言学
哲学
作者
A Gause,Ralf Küppers,Rudolf Mierau
标识
DOI:10.1111/j.1365-2249.1992.tb06467.x
摘要
The light chain of an IgA kappa rheumatoid factor (RF) produced by a hybridoma derived from a patient with rheumatoid arthritis (RA) has been shown to belong to the V kappa IV family. This RF light chain has 31 nucleotide differences compared with the single V kappa IV germline gene reported for the human genome. The patient's V kappa IV germline gene was sequenced, using the polymerase chain reaction (PCR), and shown to be identical to that previously reported. This demonstrates that the RF light chain is the product of a somatically mutated gene. A comparison with other known V kappa IV sequences shows that the RF light chain has more replacement mutations than most of the known V kappa IV light chains.
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