首页> 外文期刊>Clinical immunology: The official journal of the Clinical Immunology Society >Increased expression of the FoxP3 functional marker of regulatory T cells following B cell depletion with rituximab in patients with lupus nephritis.
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Increased expression of the FoxP3 functional marker of regulatory T cells following B cell depletion with rituximab in patients with lupus nephritis.

机译:狼疮性肾炎患者用利妥昔单抗清除B细胞后,调节性T细胞FoxP3功能标记的表达增加。

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摘要

B cell depletion may affect T cell activation and costimulation status in rituximab-treated patients with SLE. We examined whether rituximab administration in patients with active lupus nephritis is related to changes in mRNA expression of genes that define regulatory T cells (Tregs) in peripheral blood lymphocytes, measured by real-time PCR. At the early phase of B cell depletion mRNA levels of CD25, CTLA-4, GITR and the bona fide Treg functional marker FOXP3 increased significantly in all 7 patients examined. In contrast, mRNA levels of the costimulatory/activation T cell molecule CD40L were profoundly reduced, while mRNA levels of TGF-beta, a cytokine contributing to Treg induction, increased significantly in all. During follow-up, increased FOXP3 mRNA persisted in those patients in clinical remission, while in those patients with active disease subsequent decreases were noted. Further studies should examine whether modulation of Tregs by therapeutic B cell depletion contributes and/or predicts lupus disease remission.
机译:在利妥昔单抗治疗的SLE患者中,B细胞耗竭可能会影响T细胞活化和共刺激状态。我们通过实时PCR检测了在患有活动性狼疮性肾炎的患者中使用利妥昔单抗是否与定义外周血淋巴细胞中调节性T细胞(Treg)的基因的mRNA表达变化有关。在B细胞耗竭的早期阶段,在所有接受检查的所有7名患者中,CD25,CTLA-4,GITR和真正的Treg功能标记FOXP3的mRNA水平均显着增加。相反,共刺激/激活T细胞分子CD40L的mRNA水平显着降低,而促成Treg诱导的细胞因子TGF-β的mRNA水平总体上显着增加。在随访期间,在临床缓解的患者中,FOXP3 mRNA的表达持续升高,而在那些患有活动性疾病的患者中,其观察到随后的降低。进一步的研究应检查通过治疗性B细胞耗竭对Treg的调节是否有助于和/或预测狼疮疾病的缓解。

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