New insights into the regulation of human B-cell differentiation.

New insights into the regulation of human B-cell differentiation.
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DOI:
10.1016/j.it.2009.03.008
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发表时间:
2009-06
影响因子:
16.8
通讯作者:
Blom B
Blom B
中科院分区:
医学1区
文献类型:
--
作者:
Schmidlin H;Diehl SA;Blom B

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B淋巴细胞提供体液免疫应答的细胞基础。该过程的所有阶段,从B细胞活化到生发中心的形成和分化成记忆B细胞或浆细胞,都受到外部信号的影响并受转录调节的控制。与幼稚B细胞相比,记忆B细胞显示出独特的表达谱,这允许它们快速的次级应答。无可争议的是,许多B细胞恶性肿瘤是由控制B细胞功能的电路中的畸变引起的,特别是在GC反应期间。在这里,我们回顾了新的见解记忆B细胞亚型,最近的文献对转录因子调节人类B细胞分化,并进一步证明B细胞淋巴瘤的错误产生在GC细胞反应。
B lymphocytes provide the cellular basis of the humoral immune response. All stages of this process, from B cell activation to formation of germinal centers and differentiation into memory B cells or plasma cells, are influenced by extrinsic signals and controlled by transcriptional regulation. Compared to naïve B cells, memory B cells display a distinct expression profile, which allows for their rapid secondary responses. Indisputably, many B cell malignancies result from aberrations in the circuitry controlling B cell function, particularly during the GC reaction. Here we review new insights into memory B cell subtypes, recent literature on transcription factors regulating human B cell differentiation, and further evidence for B cell lymphomagenesis emanating from errors during the GC cell reactions.
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