| Reconstitution of Lymphopaenic Mice with Regulatory and Conventional T cell Subsets
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Author:
Date:
2016-05-20
[Abstract] Transfer of mature T cells into immunodeficient mice results in sub-optimal reconstitution of the peripheral T cell pool. Under lymphopenic conditions, dendritic cells are released from tonic control by regulatory T cells (Tregs), and consequently drive activation and proliferation of low affinity T cells specific for endogenous antigens. This oligoclonal proliferation results in a T cell population dominated by T cells possessing an effector/memory phenotype and a limited TCR repertoire. Oligoclonal expansion can be prevented by selectively reconstituting the Treg compartment prior to T cell transfer (Bolton et al., 2015). Reconstitution of the Treg compartment of lymphopenic mice has been tested in immunodeficient mouse strains such as Rag-1-/-or Rag-2-/- ...
[摘要] 将成熟T细胞转移到免疫缺陷小鼠中导致外周T细胞库的次优重建。在淋巴细胞减少症状下，树突状细胞通过调节性T细胞（Tregs）从强直对照释放，并因此驱动对内源性抗原特异的低亲和力T细胞的激活和增殖。这种寡克隆增殖导致由具有效应/记忆表型和有限TCR库的T细胞支配的T细胞群。可以通过在T细胞转移之前选择性重建Treg区室来防止寡克隆扩增（Bolton等人，2015）。已经在免疫缺陷小鼠品系例如Rag-1 /或 Rag-2 -/- 中测试了淋巴细胞减少小鼠的Treg区室的重建。 小鼠，以及在通过致死性全身照射作为调节骨髓移植（BMT）的瞬时淋巴细胞减少的免疫小鼠中。将纯化的Treg转移到这些宿主中，结合用外源IL-2处理7天，足以重建Treg区室并减少树突细胞共刺激分子的表达，这是防止自身反应性T细胞不适当扩增的关键过程。在Treg重建后转移的T细胞不经历快速的自发增殖，而是进行慢的内稳态分裂以用天然T细胞重新增殖T细胞库，从而允许外周T细胞库的最佳重建。
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| MACS Isolation and Culture of Mouse Liver Mesothelial Cells
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Author:
Date:
2013-07-05
[Abstract] Mesothelial cells (MCs) form a single squamous epithelial cell layer and cover the surfaces of the internal organs, as well as the walls of cavities. The isolation of MCs is of great importance to study their function and characteristics for the understanding of physiology and pathophysiology of the liver. Glycoprotein M6a (GPM6A) was originally identified as a cell surface protein expressed in neurons and recently its expression was reported in epicardium and liver MCs (Wu et al., 2001; Bochmann et al., 2010; Li et al., 2012). Here we describe a method to isolate MCs from the adult mouse liver with anti-GPM6A antibodies. Under the low glucose and serum concentration, primary MCs grow and form epithelial colonies (Figure 1).
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[摘要] 间皮细胞（MCs）形成单个鳞状上皮细胞层，并覆盖内部器官的表面，以及腔壁。 MC的分离对于研究它们的功能和特征对于理解肝脏的生理学和病理生理学是非常重要的。 糖蛋白M6a（GPM6A）最初被鉴定为在神经元中表达的细胞表面蛋白，并且最近在心外膜和肝脏MC中报道了其表达（Wu等人，2001; Bochmann等人， ，2010; Li等人，2012）。 在这里我们描述了一种方法从成年小鼠肝脏用抗GPM6A抗体分离MCs。 在低葡萄糖和血清浓度下，原代MC生长并形成上皮集落（图1）。
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