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Dendritic cell subsets in autoimmune diabetes

Dendritic cell subsets in autoimmune diabetes
自身免疫性糖尿病中的树突状细胞亚群
批准号:
8553587
负责人:
Kristin Tarbell
金额:
$41.82万
依托单位国家:
美国
项目类别:
财政年份:
--
资助国家:
美国
项目状态:
未结题
起止时间:
至

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中文摘要
翻译
我们已经评估了IL-2,一种在小鼠和人类中都存在的自身免疫性糖尿病易感基因,如何影响DC的发育。利用FMS样酪氨酸激酶3配体(Flt3L)刺激的骨髓细胞培养,我们发现IL-2抑制CDC和PDC的发展。此外,在IL-2存在的情况下发展的DC刺激T细胞增殖的能力降低。IL-2可能在MDP阶段起作用,因为这些是表达IL-2ra的前体,而MDP在含有Flt3L和IL-2的培养中积累。我们现在正在评估在IL-2存在的情况下发展起来的DC的基因表达变化,比较易患糖尿病的NOD小鼠和抵抗B6糖尿病的对照小鼠。
英文摘要
We have assessed how IL-2, an autoimmune diabetes susceptibility gene in both mouse and human, affects DC development. Using cultures of bone marrow cells stimulated with FMS-like tyrosine kinase 3 ligand (Flt3L), we have shown that IL-2 inhibits both cDC and pDC development. Furthermore, DCs that do develop in the presence of IL-2 display reduced ability to stimulate T cell proliferation. IL-2 is likely acting at the MDP stage because those are the precursors that express the IL-2Ra, and MDPs accumulate in cultures with Flt3L and IL-2. We are now assessing gene expression changes in DCs that develop in the presence of IL-2, comparing both the diabetes susceptible NOD mice to diabetes resistant B6 control mice.
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dendrtitic cell subsets in autoimmune diabetes
Dendritic cell subsets in autoimmune diabetes
testing the effect of a DPP-4 inhibitor on immune function
Interactions between dendritic cells and regulatory T cells.
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