TACI and BAFF-R mediate isotype switching in B cells.

TACI and BAFF-R mediate isotype switching in B cells.
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TACI和BAFF-R介导B细胞中的同种型切换。

DOI:
10.1084/jem.20032000
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发表时间:
2005-01-03
影响因子:
15.3
通讯作者:
Geha, RS
Geha, RS
中科院分区:
医学1区
文献类型:
--
作者:
Castigli, E;Wilson, SA;Scott, S;Dedeoglu, F;Xu, SL;Lam, KP;Bram, RJ;Jabara, H;Geha, RS

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肿瘤坏死因子家族成员BAFF和APRIL诱导人B细胞Ig同型转换。我们分析了BAFF和APRIL诱导小鼠B细胞向IgG1、IgA和IgE转换的能力。APRIL和BAFF分别利用B细胞上的两种受体,跨膜激活剂和钙调节剂、嗜细胞蛋白配体相互作用剂(TACI)和B细胞成熟抗原(BCMA)。此外,BAFF与B细胞上的第三种受体BAFF- r结合。为了确定这些受体在同型转换中的作用,我们检测了TACI、BCMA和BAFF-R缺失小鼠的B细胞。结果表明TACI和BAFF-R都能传递导致同型转换的信号。
The tumor necrosis factor family members BAFF and APRIL induce Ig isotype switching in human B cells. We analyzed the ability of BAFF and APRIL to induce isotype switching in murine B cells to IgG1, IgA, and IgE. APRIL and BAFF each engage two receptors, transmembrane activator and calcium-modulator and cytophilin ligand interactor (TACI) and B cell maturation antigen (BCMA), on B cells. In addition, BAFF engages a third receptor on B cells, BAFF-R. To determine the role of these receptors in isotype switching, we examined B cells from mice deficient in TACI, BCMA, and BAFF-R. The results obtained indicate that both TACI and BAFF-R are able to transduce signals that result in isotype switching.
DOI: 10.1073/pnas.91.25.12135
发表时间: 1994-12-06
影响因子: 11.1
作者:
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