Flow cytometric profiling of mature and developing regulatory T cells in the thymus.

Flow cytometric profiling of mature and developing regulatory T cells in the thymus.
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对胸腺中成熟和发育中的调节性 T 细胞进行流式细胞分析。

DOI:
10.1007/978-1-61737-979-6_5
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发表时间:
2011
期刊:
Methods in molecular biology (Clifton, N.J.)
影响因子:
--
通讯作者:
Caton,AndrewJ
Caton,AndrewJ
中科院分区:
--
文献类型:
--
作者:
Simons,DonaldM;Caton,AndrewJ

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自然调节性T细胞是以转录因子Foxp3的表达和抑制免疫反应为特征的CD4+T细胞亚群。T细胞受体(TCR)和自身抗原之间高度特异的相互作用使胸腺发育出Treg细胞。这些过程可以用转基因小鼠在抗原特异性系统中重现,转基因小鼠将TCR与其同源肽共同表达为新的自身抗原。在这里,我们描述了一种使用这样的系统来建立由胸腺中发育和成熟的Treg细胞表达的表型标记物的流式细胞术图谱的方法。我们的方法是比较在有或没有Treg细胞选择配体的情况下发育的抗原特异性胸腺细胞,以识别表型变化,这些表型变化是胸腺细胞被选择进入Treg细胞谱系的特征。
Natural Regulatory T (Treg) cells are a subset of CD4+T cells characterized by expression of the transcription factor Foxp3 and the ability to suppress immune responses. Treg cells develop in the thymus in response to highly specific interactions between the T cell receptor (TCR) and self-antigens. These processes can be recapitulated in antigen-specific systems using transgenic mice that coexpress a TCR with its cognate peptide as a neoself-antigen. Here, we describe a method for using such a system to establish a flow cytometric profile of phenotype markers expressed by developing and mature Treg cells in the thymus. Our approach is to compare antigen-specific thymocytes developing in the presence or absence of Treg cell-selecting ligands to identify phenotypic changes that characterize thymocytes undergoing selection into the Treg cell lineage.
DOI: 10.1016/j.immuni.2007.11.021
发表时间: 2008-01-01
期刊: IMMUNITY
影响因子: 32.4
作者:
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通讯作者: Hsieh, Chyi-Song
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发表时间: 1994-07-01
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