Induction of neonatal tolerance to Mlsa antigens by CD8+ T cells.

Induction of neonatal tolerance to Mlsa antigens by CD8+ T cells.
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CD8 T 细胞诱导新生儿对 Mlsa 抗原的耐受。

DOI:
10.1126/science.1973003
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发表时间:
1990
期刊:
Science (New York, N.Y.)
影响因子:
--
通讯作者:
Sprent,J
Sprent,J
中科院分区:
--
文献类型:
--
作者:
Webb,SR;Sprent,J

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通过新生小鼠注射外源淋巴造血细胞,可以诱导T细胞对次要淋巴细胞刺激(Mls)抗原的抗原特异性耐受。尽管对Mlsa抗原的免疫应答由B细胞控制,但CD 8 +T细胞是诱导Mlsa耐受性的最有效细胞类型。在胸腺和淋巴结中均存在明显的耐受性,仅需2 × 104个CD 8 +T细胞即可诱导耐受;这些细胞在引起功能性耐受和Vβ6+T细胞缺失方面的效力是CD 4+细胞或B细胞的50至100倍。因此,胸腺内接触抗原表达的CD 8 +T细胞可能发挥重要作用,在控制正常发展的耐受性。
Antigen-specific tolerance of T cells to minor lymphocyte stimulatory (Mls) antigens can be induced in mice by neonatal injection of foreign lymphohematopoietic cells. Although immune responses to Mlsaantigens are controlled by B cells, CD8+T cells were the most effective cell type for induction of Mlsatolerance. Tolerance was evident in both thymus and lymph nodes and could be induced by as few as 2 × 104CD8+T cells; these cells were 50 to 100 times as potent as CD4+cells or B cells in causing functional tolerance and deletion of Vβ6+T cells. Thus, intrathymic contact with antigens expressed on CD8+T cells may play an important role in controlling the normal development of tolerance.
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影响因子: 4.3
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