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Multimodal Bioactivation of Hydrophilic Electrospun Nanofibers Enables Simultaneous Tuning of Cell Adhesivity and Immunomodulatory Effects

机译:亲水性静电纺纳米纤维的多峰生物激活能够同时调节细胞的粘附性和免疫调节作用。

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摘要

Biomaterials research usually focuses on functional and structural mimicry of the extracellular matrix or tissue hierarchy and morphology. Most recently, material-induced modulatory effects on the immune system to arouse a healing response is another upcoming strategy. Approaches, however, that integrate both aspects to induce healing and facilitate specific cell adhesion are so far little explored. This study exploits manifold but chemical crosslinker free functionalization of hydrophilic and nonadhesive electrospun fiber surfaces with peptides for controlled cell adhesion, and with neutralizing antibodies targeting the master cytokine tumor necrosis factor (TNF) to dampen proinflammatory reactions by the fiber adherent cells. It is demonstrated that cell attachment and immunomodulatory properties of a textile can be tailored at the same time to generate meshes that combine immunosuppressive activity with specific cell adhesion properties.
机译:生物材料研究通常集中在细胞外基质或组织层次和形态的功能和结构模拟上。最近,另一种即将到来的策略是对免疫系统的物质诱导调节作用,以引起治愈反应。然而,到目前为止,几乎没有探索将这两个方面整合以诱导愈合并促进特定细胞粘附的方法。这项研究利用具有亲水性和非粘性电纺纤维表面的多方面但无化学交联剂功能化来控制细胞粘附的肽,以及针对主细胞因子肿瘤坏死因子(TNF)的中和抗体来抑制纤维粘附细胞的促炎反应。已证明可以同时调整纺织品的细胞附着和免疫调节特性,以生成将免疫抑制活性与特定细胞粘附特性结合在一起的网状物。

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  • 来源
    《Advanced Functional Materials》 |2017年第46期|1702903.1-1702903.9|共9页
  • 作者单位

    Univ Wurzburg, Dept Funct Mat Med & Dent, Pleicherwall 2, D-97070 Wurzburg, Germany|Univ Wurzburg, BPI, Pleicherwall 2, D-97070 Wurzburg, Germany;

    Univ Hosp Wurzburg, Div Mol Internal Med, Dept Internal Med 2, Rontgenring 11, D-97070 Wurzburg, Germany;

    Univ Wurzburg, Dept Funct Mat Med & Dent, Pleicherwall 2, D-97070 Wurzburg, Germany|Univ Wurzburg, BPI, Pleicherwall 2, D-97070 Wurzburg, Germany|Univ Wurzburg, Dept Tissue Engn & Regenerat Med, Rontgenring 11, D-97070 Wurzburg, Germany;

    Univ Wurzburg, Dept Funct Mat Med & Dent, Pleicherwall 2, D-97070 Wurzburg, Germany|Univ Wurzburg, BPI, Pleicherwall 2, D-97070 Wurzburg, Germany;

    Univ Hosp Wurzburg, Div Mol Internal Med, Dept Internal Med 2, Rontgenring 11, D-97070 Wurzburg, Germany;

    Univ Wurzburg, Dept Funct Mat Med & Dent, Pleicherwall 2, D-97070 Wurzburg, Germany|Univ Wurzburg, BPI, Pleicherwall 2, D-97070 Wurzburg, Germany;

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  • 正文语种 eng
  • 中图分类
  • 关键词

    antibodies; electrospinning; immune response; nanofibers; surface functionalization;

    机译:抗体;静电纺丝;免疫反应;纳米纤维;表面功能化;

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