The Effects of Combined Therapy With Metformin and Hydroxypropyl-β-Cyclodextrin in a Mouse Model of Niemann-Pick Disease Type C1.

The Effects of Combined Therapy With Metformin and Hydroxypropyl-β-Cyclodextrin in a Mouse Model of Niemann-Pick Disease Type C1.
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二甲双胍和羟丙基-β-环糊精联合治疗对尼曼匹克病 C1 型小鼠模型的影响

DOI:
10.3389/fphar.2021.825425
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发表时间:
2021
影响因子:
5.6
通讯作者:
Lin J
Lin J
中科院分区:
医学2区
文献类型:
--
作者:
Du J;Liu X;Zhang Y;Han X;Ma C;Liu Y;Guan L;Qiao L;Lin J

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C1型尼曼-匹克病(NPC 1)是一种以游离胆固醇的溶酶体储存为特征的神经退行性疾病。2-羟丙基-β-环糊精(HPβCD)是一种环状寡糖衍生物,正在开发用于治疗NPC 1。最近,二甲双胍被报道在各种神经退行性疾病中是有益的,例如阿尔茨海默病和亨廷顿病。在这项研究中,我们检查了HPβCD和二甲双胍联合治疗对Npc 1 −/−小鼠的影响。不幸的是,体重和存活率表明,与二甲双胍联合给药不会延长HPβ CD处理的Npc 1 −/−小鼠的存活时间,也不会增加其体重。然而,与二甲双胍联合治疗可降低HPβ CD治疗的Npc 1 −/−小鼠脑、肝和脾中的炎症反应并抑制促炎细胞因子释放。此外,二甲双胍不会降低Npc 1 −/−脑组织或成纤维细胞中的游离胆固醇水平。总之,我们的结果表明,二甲双胍与HPβCD联合使用时,在NPC 1小鼠模型中未显示对体重或生存时间的有益作用,但可降低炎症反应。
Niemann–Pick disease type C1 (NPC1) is a neurodegenerative disorder characterized by lysosomal storage of free cholesterol. 2-Hydroxypropyl-β-cyclodextrin (HPβCD) is a cyclic oligosaccharide derivative that is being developed to treat NPC1. Recently, metformin was reported to be beneficial in various neurodegenerative diseases, such as Alzheimer’s and Huntington’s diseases. In this study, we examined the effects of combined treatment with HPβCD and metformin on Npc1 −/− mice. Unfortunately, body weight and survival rates showed that cotreatment with metformin did not extend survival time and increase the body weight of HPβCD-treated Npc1 −/− mice. However, cotreatment with metformin reduced inflammatory response and inhibited the proinflammatory cytokine release in the brain, liver and spleen of HPβCD-treated Npc1 −/− mice. Furthermore, metformin did not reduce the free cholesterol levels in Npc1 −/− brain tissue or fibroblasts. In conclusion, our results demonstrate that metformin does not show beneficial effects on body weight or survival time but reduced the inflammatory response in a mouse model of NPC1 when combined with HPβCD.
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