Altered development of NKT cells, γδ T cells, CD8 T cells and NK cells in a PLZF deficient patient.

Altered development of NKT cells, γδ T cells, CD8 T cells and NK cells in a PLZF deficient patient.
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DOI:
10.1371/journal.pone.0024441
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发表时间:
2011
期刊:
影响因子:
3.7
通讯作者:
Sant'Angelo DB
Sant'Angelo DB
中科院分区:
综合性期刊3区
文献类型:
--
作者:
Eidson M;Wahlstrom J;Beaulieu AM;Zaidi B;Carsons SE;Crow PK;Yuan J;Wolchok JD;Horsthemke B;Wieczorek D;Sant'Angelo DB

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在小鼠中,转录因子PLZF控制着不变的NKT细胞和类似NKT的γδT细胞亚群的效应器功能的发展。在这里,我们发现在人类淋巴细胞中,除了不变的NKT细胞外,PLZF还在CD8+和CD4+T细胞中表达了很大比例。此外,还发现PLZF在所有γδT细胞和所有NK细胞中都有表达。重要的是,我们发现在缺乏功能性PLZF的供者中,所有这些不同的淋巴细胞群都发生了改变。因此,与小鼠相比,PLZF似乎控制着各种各样的人淋巴细胞的发育和/或功能,这些淋巴细胞占总PBMCs的10%以上。有趣的是,转移性黑色素瘤患者外周血中表达PLZF的CD8+T细胞数量增加,而自身免疫性疾病患者外周血中表达PLZF的CD8+T细胞数量显著减少。
In mice, the transcription factor, PLZF, controls the development of effector functions in invariant NKT cells and a subset of NKT cell-like, γδ T cells. Here, we show that in human lymphocytes, in addition to invariant NKT cells, PLZF was also expressed in a large percentage of CD8+ and CD4+ T cells. Furthermore, PLZF was also found to be expressed in all γδ T cells and in all NK cells. Importantly, we show that in a donor lacking functional PLZF, all of these various lymphocyte populations were altered. Therefore, in contrast to mice, PLZF appears to control the development and/or function of a wide variety of human lymphocytes that represent more than 10% of the total PBMCs. Interestingly, the PLZF-expressing CD8+ T cell population was found to be expanded in the peripheral blood of patients with metastatic melanoma but was greatly diminished in patients with autoimmune disease.
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