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Graphene oxide film guided skeletal muscle differentiation

机译:石墨烯氧化膜引导骨骼肌分化

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摘要

Engineered muscle tissues can be used for the regeneration or substitution of irreversibly damaged or diseased muscles. Recently, graphene oxide (GO) has been shown to improve the adsorption of biomolecules through its biocompatibility and intrinsic pi-pi interactions. The possibility of producing various GO modifications may also provide additional functionality as substrates for cell culture. In particular, substrates fabricated from pristine GO have been shown to improve cellular functions and influence stem cell differentiation. In this study, we fabricated tunable GO substrates with various physical and chemical properties and demonstrated the ability of the substrate to support myogenic differentiation. Higher cellular adhesion affinity with unique microfilament anchorage was observed for GO substrates with increased GO concentrations. In addition, amino acid (AA)conjugated GO (GO-AA) substrates were fabricated to modify GO chemical properties and study the effects of chemically modified GO substrates on myogenic differentiation. Our findings demonstrate that minor tuning of GO significantly influences myogenic differentiation.
机译:工程肌肉组织可用于再生或替代不可逆转地受损或患病的肌肉。最近,已经证明了石墨烯氧化物(GO)通过其生物相容性和内在的PI-PI相互作用来改善生物分子的吸附。产生各种GO修饰的可能性还可以提供额外的功能作为用于细胞培养的底物。特别地,已经显示出由原始的底物被证明改善细胞功能并影响干细胞分化。在这项研究中,我们用各种物理和化学性质制作可调谐GO衬底,并证明了基材支持肌遗传学分化的能力。观察到具有独特微丝锚定的细胞粘附亲和力,用于GO浓度增加的衬底。此外,制备氨基酸(AA)缀合的GO(GO-AA)底物以修饰GO化学性质,并研究化学修饰的GO衬底对肌生成分化的影响。我们的研究结果表明,Go的微调显着影响肌遗传学分化。

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  • 来源
    《Materials science & engineering》 |2021年第7期|112174.1-112174.11|共11页
  • 作者单位

    Seoul Natl Univ Sch Chem & Biol Engn Inst Chem Proc 1 Gwanakro Gwanakgu Seoul 08826 South Korea;

    Seoul Natl Univ Dept Agr Forestry & Bioresources Coll Agr & Life Sci Seoul 08826 South Korea|Seoul Natl Univ Inst Bioengn BioMAX N Bio Inst Seoul 08826 South Korea;

    Seoul Natl Univ Sch Chem & Biol Engn Inst Chem Proc 1 Gwanakro Gwanakgu Seoul 08826 South Korea;

    Seoul Natl Univ Sch Chem & Biol Engn Inst Chem Proc 1 Gwanakro Gwanakgu Seoul 08826 South Korea;

    Hanyang Univ Dept Mat Sci & Chem Engn 55 Hanyangdaehak Ro Sangrok Gu Ansan 15588 South Korea;

    Korea Natl Univ Transportat Dept Polymer Sci & Engn 50 Daehak Ro Chungju 27469 South Korea;

    Seoul Natl Univ Sch Chem & Biol Engn Inst Chem Proc 1 Gwanakro Gwanakgu Seoul 08826 South Korea|Seoul Natl Univ Inst Bioengn BioMAX N Bio Inst Seoul 08826 South Korea|Seoul Natl Univ Inst Engn Res Seoul 08826 South Korea;

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  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类
  • 关键词

    Graphene oxide substrate; Myogenesis; Skeletal tissue engineering; Surface modification; Adhesion;

    机译:石墨烯氧化物底物;肌瘤;骨骼组织工程;表面改性;粘附;

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