Prevention of arthritis by interleukin 10-producing B cells.

Prevention of arthritis by interleukin 10-producing B cells.
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DOI:
10.1084/jem.20021293
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发表时间:
2003-02-17
期刊:
The Journal of experimental medicine
影响因子:
--
通讯作者:
Londei M
Londei M
中科院分区:
其他
文献类型:
--
作者:
Mauri C;Gray D;Mushtaq N;Londei M

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在这项研究中,我们已经表明,用抗原和激动性抗CD 40激活致关节炎脾细胞,产生产生高水平白细胞介素(IL)-10和低水平干扰素(IFN)-γ的B细胞群。将这些B细胞转移到DBA/1-TcR-β-Tg小鼠中,用在完全弗氏佐剂中乳化的牛胶原(CII)免疫,抑制T辅助细胞1型分化,预防关节炎发展,并且也有效地改善已建立的疾病。IL-10对于该B细胞亚群的调节功能是必需的,因为从IL-10敲除小鼠分离的B细胞群不能介导这种保护功能。此外,从体外用抗IL-10/抗IL-10 R处理的致关节炎脾细胞分离的B细胞不能保护受体小鼠免于发展关节炎。我们的研究结果表明,一个新的作用的一个子集的B细胞在控制T细胞分化和自身免疫性疾病。
In this study we have shown that activation of arthritogenic splenocytes with antigen and agonistic anti-CD40 gives raise to a B cell population that produce high levels of interleukin (IL)-10 and low levels of interferon (IFN)-γ. Transfer of these B cells into DBA/1-TcR-β-Tg mice, immunized with bovine collagen (CII) emulsified in complete Freund's adjuvant inhibited T helper type 1 differentiation, prevented arthritis development, and was also effective in ameliorating established disease. IL-10 is essential for the regulatory function of this subset of B cells, as the B cells population isolated from IL-10 knockout mice failed to mediate this protective function. Furthermore, B cells isolated from arthritogenic splenocytes treated in vitro with anti–IL-10/anti–IL-10R were unable to protect recipient mice from developing arthritis. Our results suggest a new role of a subset of B cells in controlling T cell differentiation and autoimmune disorders.
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