Age effects on B cells and humoral immunity in humans.

Age effects on B cells and humoral immunity in humans.
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年龄对人类B细胞的影响和体液免疫。

DOI:
10.1016/j.arr.2010.08.004
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发表时间:
2011-07
影响因子:
13.1
通讯作者:
Blomberg, Bonnie B.
Blomberg, Bonnie B.
中科院分区:
医学1区
文献类型:
--
作者:
Frasca, Daniela;Diaz, Alain;Romero, Maria;Landin, Ana Marie;Blomberg, Bonnie B.

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老年人的体液和细胞免疫反应均受损,导致疫苗反应下降。尽管存在 T 细胞缺陷,但 B 细胞缺陷在与年龄相关的体液免疫变化中发挥着重要作用。在老化的受刺激的 B 细胞中,进行类别转换重组 (CSR) 的能力、CSR 酶、AID(激活诱导胞苷脱氨酶)和转录因子 E47 都会降低。我们在此概述人类 B 细胞标记和功能与年龄相关的变化,并讨论 B 细胞衰老领域的一些争议。
Both humoral and cellular immune responses are impaired in aged individuals, leading to decreased vaccine responses. Although T cell defects occur, defects in B cells play a significant role in age-related humoral immune changes. The ability to undergo class switch recombination (CSR), the enzyme for CSR, AID (activation-induced cytidine deaminase) and the transcription factor E47 are all decreased in aged stimulated B cells. We here present an overview of age-related changes in human B cell markers and functions, and also discuss some controversies in the field of B cell aging.
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