Allergol Int:脂质体包裹的半乳糖酰基鞘氨醇舌下给药可以作为过敏性鼻炎的一种有效辅助过敏原免疫疗法

2019-03-15 AlexYang MedSci原创

舌下免疫治疗(SLIT)是过敏性鼻炎(AR)治疗的有效方法。然而,SLIT需要长期的给药从而建立稳定和充分的响应。最近,有研究人员调查了舌下给药脂质体包裹的α-GalCer作为AR治疗的辅助治疗效果情况。研究人员将OVA诱导的AR小鼠分别接受OVA舌下给药、α-GC脂质体给药和OVA加α-GC脂质体给药3中不同的处理,为期7天。在进行OVA重复挑战之后,研究人员评估了鼻症状情况。另外,血清OVA特

舌下免疫治疗(SLIT)是过敏性鼻炎(AR)治疗的有效方法。然而,SLIT需要长期的给药从而建立稳定和充分的响应。最近,有研究人员调查了舌下给药脂质体包裹的α-GalCer作为AR治疗的辅助治疗效果情况。

研究人员将OVA诱导的AR小鼠分别接受OVA舌下给药、α-GC脂质体给药和OVA加α-GC脂质体给药3中不同的处理,为期7天。在进行OVA重复挑战之后,研究人员评估了鼻症状情况。另外,血清OVA特异性lg水平、CD4+细胞的细胞因子产生以及CLNs基因表达情况也进行了分析。研究发现,尽管CLN细胞中的CD+ T细胞的IL-4、IL-5和IL-13的产生受OVA舌下给药的显著抑制,但是鼻症状却没有显著的减少。然而,OVA加α-GC脂质体给药能够完全的抑制鼻症状,下调CD4+ T细胞中Th2和Th17型细胞因子的产生以及Th2和Th17型基因的表达;还能上调CLN细胞中Th1细胞因子的产生以及Th1基因的表达。另外,特异性lgG2a血清水平提高,而特异性lgE和lgG1受抑制。

最后,研究人员指出,他们的发现表明了舌下过敏原和α-GC脂质体一起给药可以作为辅助疗法来提高免疫治疗效率和效果。

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    2019-03-17 膀胱癌
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    2019-03-17 minzju5058

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