首页> 外文期刊>Clinical immunology: The official journal of the Clinical Immunology Society >Hyperbaric oxygen treatment attenuates the pro-inflammatory and immune responses in apolipoprotein E knockout mice.
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Hyperbaric oxygen treatment attenuates the pro-inflammatory and immune responses in apolipoprotein E knockout mice.

机译:高压氧治疗可减轻载脂蛋白E基因敲除小鼠的促炎和免疫反应。

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摘要

Chronic hyperbaric oxygen (HBO) therapy significantly attenuates atherosclerosis in New Zealand white rabbits as well as the apoE knockout (KO) mice, independent of plasma lipid concentrations and lipoprotein profiles. Because atherosclerosis has many features of a chronic inflammatory disease, in which both cell-mediated and humoral immune responses participate, we examined the effect of HBO treatment on various aspects of the immune response. We now demonstrate that in apoE KO mice, HBO treatment significantly reduces the circulating levels of antibodies to (MDA)LDL, both in the IgG and IgM class, as well as the delayed-type hypersensitivity (DTH) response to oxLDL challenge. Furthermore, HBO treatment results in a profound attenuation in the production of pro-inflammatory cytokines in response to an inflammatory stimulus (LPS), which is accompanied by a marked increase in the constitutive production of the anti-inflammatory cytokine IL-10 by spleen cells, independent of antigen specificity, as indicated by polyclonal activation of T cells. Our results demonstrate that HBO treatment results in the dampening of T and B cell-mediated responses to oxLDL or inflammatory stimuli.
机译:长期高压氧(HBO)治疗可显着减轻新西兰白兔以及apoE基因敲除(KO)小鼠的动脉粥样硬化,而与血浆脂质浓度和脂蛋白谱无关。由于动脉粥样硬化具有慢性炎症性疾病的许多特征,其中细胞介导的和体液免疫应答均参与其中,因此我们检查了HBO治疗对免疫应答各个方面的影响。我们现在证明,在apoE KO小鼠中,HBO治疗显着降低IgG和IgM类中针对(MDA)LDL的抗体的循环水平,以及对oxLDL挑战的延迟型超敏性(DTH)反应。此外,HBO治疗导致响应于炎症刺激(LPS)的促炎细胞因子的产生显着减弱,其伴随着脾细胞的抗炎细胞因子IL-10的组成型产生的显着增加。不依赖于抗原特异性,如T细胞的多克隆激活所示。我们的结果证明,HBO治疗可减轻T细胞和B细胞介导的对oxLDL或炎症刺激的反应。

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