Hyper IgM syndromes

被引:50
作者
Gulino, AV
Notarangelo, LD
机构
[1] Univ Brescia, Dept Pediat, I-25123 Brescia, Italy
[2] Univ Brescia, Inst Mol Med Angelo Nocivelli, Brescia, Italy
关键词
immunodeficiency; class switch recombination; somatic hypermutation;
D O I
10.1097/00002281-200307000-00009
中图分类号
R5 [内科学];
学科分类号
1002 ; 100201 ;
摘要
The immune defense against extracellular pathogens is largely dependent on antibody production. Class switch recombination and somatic hypermutation shape the secondary antibody repertoire in peripheral lymphoid tissue. In the past few years, a series of primary immune deficiencies characterized by defects in these processes and collectively referred to as hyper-IgM syndromes, have been described. Careful investigation of these rare "experiments of nature" has enabled to identify novel genes and molecular events that drive terminal B-cell differentiation. Abnormalities in these genes are likely involved also in lymphoid tumorigenesis and autoimmunity.
引用
收藏
页码:422 / 429
页数:8
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