Allergy Asthma Immunol Res:氯喹治疗能够抑制粘膜炎症

2020-09-28 AlexYang MedSci原创

Toll样受体9(TLR9)信号通路参与了鼻息肉慢性鼻窦炎(CRS)的发病过程。最近,有研究人员评估了TLR9途径抑制剂氯喹对CRS小鼠的治疗潜力。

Toll样受体9(TLR9)信号通路参与了鼻息肉慢性鼻窦炎(CRS)的发病过程。最近,有研究人员评估了TLR9途径抑制剂氯喹对CRS小鼠的治疗潜力。

研究人员将小鼠分为4个治疗组:对照组、鼻息肉(NP)、氯喹治疗(NP+Chlq)、地塞米松治疗(NP+Dexa)组。研究结果发现,嗜酸性NPs(EPs)患者的IFN-α和IFN-β mRNA水平显著高于健康对照或非EP患者。与对照组、NP+Chlq组、NP+Dexa组相比,NP组的息肉评分、上皮厚度、黏膜厚度、鼻黏膜中嗜酸粒细胞数量均显著更高。NP+Chlq或NP+Dexa能显著抑制NP组I型IFN和BAFF表达的诱导;这些处理还能显著抑制NP组TLR9、HMGB1、干扰素调节因子、白细胞介素(IL)-6、IL-1β、肿瘤坏死因子-α和Th细胞因子表达的诱导。另外,NP组分泌的抗dsDNA免疫球蛋白G(IgG)水平也显著高于对照组、NP+Chlq组和NP+Dexa组。BAFF与IFN-α/β的mRNA水平/抗dsDNA IgG的蛋白水平之间有显著的正相关关系。

小鼠鼻息肉模型中氯喹具有抗息肉效果

最后,研究人员指出,氯喹可用于治疗嗜酸粒细胞CRS患者。

原始出处:

Mi Ra Choi , Jun Xu , Seulgi Lee et al. Chloroquine Treatment Suppresses Mucosal Inflammation in a Mouse Model of Eosinophilic Chronic Rhinosinusitis. Allergy Asthma Immunol Res. 2020

 

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    2021-04-07 guoyibin
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    2021-03-01 skhzy
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    2020-09-30 膀胱癌
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    2020-09-29 lovetcm

    只是动物实验,没有说服力

    0

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