Activation of B lymphocytes by monovalent anti-Lyb-2 antibodies

Activation of B lymphocytes by monovalent anti-Lyb-2 antibodies
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单价抗 Lyb-2 抗体激活 B 淋巴细胞

DOI:
--
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发表时间:
1984
影响因子:
15.3
通讯作者:
D. Mosier
D. Mosier
中科院分区:
医学1区
文献类型:
--
作者:
B. Subbarao;D. Mosier

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尽管已经证明抗原或抗Ig抗体对B淋巴细胞的激活需要表面Ig分子的交联,但抗Lyb-2单克隆抗体(MAb)激活B细胞时交联并不是必需的。抗 Lyb-2 MAb 的单价 Fab' 片段在诱导小 B 细胞的母细胞转化和在明显缺乏 T 细胞和贴壁细胞的情况下 B 细胞增殖方面与完整抗体一样有效。在 T 细胞因子存在的情况下,被抗 Lyb-2 MAb 的 Fab' 片段激活的 B 细胞被诱导成熟为 Ig 分泌细胞。由于单价 Fab' 片段可能无法诱导受体聚集,因此似乎受体占据足以诱导抗 Lyb-2 MAb 激活 B 细胞。
Although activation of B lymphocytes by antigen or anti-Ig antibody has been shown to require cross-linking of surface Ig molecules, cross- linking is not necessary for B cell activation by anti-Lyb-2 monoclonal antibody (MAb). Monovalent Fab' fragments of anti-Lyb-2 MAb are as effective as the intact antibody in inducing blast cell transformation of small B cells and B cell proliferation in the apparent absence of T cells and adherent cells. In the presence of factors from T cells, B cells activated by Fab' fragments of anti-Lyb-2 MAb were induced to mature into Ig-secreting cells. Since monovalent Fab' fragments probably cannot induce receptor aggregation, it appears that receptor occupancy is sufficient to induce B cell activation with anti-Lyb-2 MAb.
纯化的小鼠 B 淋巴细胞在无血清成分确定的培养基中产生体外初级抗体反应。
DOI: --
发表时间: 1981
期刊: Journal of immunology (Baltimore, Md. : 1950)
影响因子: --
作者:
Mosier,DE
通讯作者: Mosier,DE
DOI: 10.4049/jimmunol.125.6.2665
发表时间: 1980-12
影响因子: 4.4
作者:
M. Sarmiento;A. Glasebrook;F. Fitch
通讯作者: M. Sarmiento;A. Glasebrook;F. Fitch