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Ferrimagnetic Nanochains-Based Mesenchymal Stem Cell Engineering for Highly Efficient Post-Stroke Recovery

机译:基于亚铁磁性纳米链的间充质干细胞工程技术,可实现高效的中风后恢复

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摘要

Unsatisfactory post-stroke recovery has long been a negative factor in the prognosis of ischemic stroke due to the lack of pharmacological treatments. Mesenchymal stem cells (MSCs)-based therapy has recently emerged as a promising strategy redefining stroke treatment; however, its effectiveness has been largely restricted by insufficient therapeutic gene expression and inadequate cell numbers in the ischemic cerebrum. Herein, a non-viral and magnetic field-independent gene transfection approach is reported, using magnetosome-like ferrimagnetic iron oxide nanochains (MFIONs), to genetically engineer MSCs for highly efficient post-stroke recovery. The 1D MFIONs show efficient cellular uptake by MSCs, which results in highly efficient genetic engineering of MSCs to overexpress brain-derived neurotrophic factor for treating ischemic cerebrum. Moreover, the internalized MFIONs promote the homing of MSCs to the ischemic cerebrum by upregulating CXCR4. Consequently, a pronounced recovery from ischemic stroke is achieved using MFION-engineered MSCs in a mouse model.
机译:由于缺乏药物治疗,中风后恢复不佳一直是缺血性中风预后的不利因素。基于间充质干细胞(MSCs)的治疗方法最近成为重新定义中风治疗方法的一种有前途的策略。然而,它的有效性在很大程度上受到治疗性基因表达不足和缺血性大脑中细胞数量不足的限制。在本文中,报道了一种非病毒和磁场独立的基因转染方法,该方法使用磁小体样亚铁磁性氧化铁纳米链(MFIONs)对MSC进行基因工程改造,以实现高效的中风后恢复。一维MFIONs显示出MSC能够有效地吸收细胞,从而导致MSC的高效基因工程,从而过表达脑源性神经营养因子来治疗缺血性大脑。此外,内在的MFIONs通过上调CXCR4促进MSCs向缺血性大脑的归巢。因此,在小鼠模型中使用MFION设计的MSC可实现从缺血性卒中的明显恢复。

著录项

  • 来源
    《Advanced Functional Materials》 |2019年第24期|1900603.1-1900603.13|共13页
  • 作者单位

    Zhejiang Univ, Coll Pharmaceut Sci, Hangzhou 310058, Zhejiang, Peoples R China|Zhejiang Univ, Dr Li Dak Sum & Yip Yio Chin Ctr Stem Cell & Rege, Hangzhou 310058, Zhejiang, Peoples R China;

    Zhejiang Univ, Coll Pharmaceut Sci, Hangzhou 310058, Zhejiang, Peoples R China;

    Zhejiang Univ, Coll Pharmaceut Sci, Hangzhou 310058, Zhejiang, Peoples R China;

    Zhejiang Univ, Coll Pharmaceut Sci, Hangzhou 310058, Zhejiang, Peoples R China;

    Zhejiang Univ, Coll Pharmaceut Sci, Hangzhou 310058, Zhejiang, Peoples R China;

    Zhejiang Univ, Coll Pharmaceut Sci, Hangzhou 310058, Zhejiang, Peoples R China;

    Zhejiang Univ, Coll Pharmaceut Sci, Hangzhou 310058, Zhejiang, Peoples R China;

    Zhejiang Univ, Sir Run Run Shaw Hosp, Sch Med, Dept Radiol, Hangzhou 310016, Zhejiang, Peoples R China;

    Inst for Basic Sci Korea, Ctr Nanoparticle Res, Seoul 08826, South Korea|Seoul Natl Univ, Sch Chem & Biol Engn, Seoul 08826, South Korea;

    Zhejiang Univ, Coll Pharmaceut Sci, Hangzhou 310058, Zhejiang, Peoples R China;

    Zhejiang Univ, Coll Pharmaceut Sci, Hangzhou 310058, Zhejiang, Peoples R China;

    Tianjin Univ Technol, Sch Chem & Chem Engn, Tianjin 300384, Peoples R China;

    Univ Sci & Technol China, Hefei Natl Res Ctr Phys Sci Microscale, Dept Chem, Div Nanomat & Chem, Hefei 230026, Anhui, Peoples R China;

    Hefei Univ Technol, Sch Chem & Chem Engn, Hefei 230009, Anhui, Peoples R China;

    Zhejiang Univ, Affiliated Hosp 1, Sch Med, State Key Lab Diag & Treatment Infect Dis, Hangzhou 310003, Zhejiang, Peoples R China;

    Inst for Basic Sci Korea, Ctr Nanoparticle Res, Seoul 08826, South Korea|Seoul Natl Univ, Sch Chem & Biol Engn, Seoul 08826, South Korea;

    Zhejiang Univ, Sir Run Run Shaw Hosp, Sch Med, Dept Radiol, Hangzhou 310016, Zhejiang, Peoples R China;

    Inst for Basic Sci Korea, Ctr Nanoparticle Res, Seoul 08826, South Korea|Seoul Natl Univ, Sch Chem & Biol Engn, Seoul 08826, South Korea;

    Zhejiang Univ, Coll Pharmaceut Sci, Hangzhou 310058, Zhejiang, Peoples R China|Zhejiang Univ, Dr Li Dak Sum & Yip Yio Chin Ctr Stem Cell & Rege, Hangzhou 310058, Zhejiang, Peoples R China;

    Zhejiang Univ, Coll Pharmaceut Sci, Hangzhou 310058, Zhejiang, Peoples R China|Zhejiang Univ, Coll Biomed Engn & Instrument Sci, Minist Educ, Key Lab Biomed Engn, Hangzhou 310027, Zhejiang, Peoples R China|Zhejiang Univ, Hangzhou Inst Innovat Med, Hangzhou 310012, Zhejiang, Peoples R China;

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  • 正文语种 eng
  • 中图分类
  • 关键词

    ferrimagnetic iron oxide nanochains; genetic engineering; ischemic cerebrum homing; mesenchymal stem cells; post-stroke recovery;

    机译:亚铁磁性氧化铁纳米链;基因工程;缺血性大脑归巢;间质干细胞;中风后恢复;

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