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Cytotoxic function of CD8+ T lymphocytes isolated from patients with acute severe cerebral infarction: an assessment of stroke-induced immunosuppression

机译:急性重症脑梗死患者CD8 + T淋巴细胞的细胞毒性功能:中风诱导的免疫抑制评估

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摘要

BackgroundThere is increasing evidence on complex interaction between the nervous and immune systems in patients with cerebral infarction. This study was conducted to evaluate cytotoxic function of CD8+ T lymphocytes isolated from patients with acute severe cerebral infarction. In order to determine role of immune system in stroke, peripheral blood mononuclear cells (PBMCs) were taken and cytotoxic function of CD8+ T lymphocytes were induced by virus peptides and cells were analyzed on a four-color flow cytometer. Expression of CD107a, intracellular expression of interferon-γ (IFN-γ) and tumor necrosis factor-α (TNF-α), and cell proliferation assay were analyzed by using carboxyl fluorescein diacetate succinimidyl ester (CFSE).
机译:背景越来越多的证据表明脑梗死患者的神经系统和免疫系统之间存在复杂的相互作用。本研究旨在评估急性重症脑梗死患者分离的CD8 + T淋巴细胞的细胞毒功能。为了确定免疫系统在中风中的作用,采集外周血单个核细胞(PBMC),并通过病毒肽诱导CD8 + T淋巴细胞的细胞毒性功能,并在四色流中分析细胞细胞仪。使用羧基荧光素二乙酸琥珀酰亚胺酯(CFSE)分析CD107a的表达,干扰素-γ(IFN-γ)和肿瘤坏死因子-α(TNF-α)的细胞内表达以及细胞增殖测定。

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