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Native honeybee silk membrane: a potential matrix for tissue engineering and regenerative medicine

机译:本地蜜蜂丝膜:组织工程和再生医学的潜在基质

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摘要

Biomimetic natural origin biomaterials are noteworthy targets for further innovation in biomedical and tissue engineering. In this study, honeybee silk membranes (HBSM) are investigated in their native form to explore their applicability for tissue engineering. HBSMs extracted from honeybee combs were physico-chemically characterized for their surface topography, stability followed by evaluation of the biodegradation, mechanical and biological properties. Field emission scanning electron microscopy (FESEM) and atomic force microscopy (AFM) studies revealed a uniform sheet-like morphology with submicron pores and the presence of evenly knitted fibers in a specific pattern/alignment. Fourier transform infrared (FTIR) spectroscopy suggested the presence of a native coiled coil structural conformation. HBSMs were found to be cytocompatible and supported the proliferation of murine L929 fibroblasts, human osteosarcoma MG-63 cells and primary porcine knee chondrocytes. Cells cultured on HBSMs maintained osteogenic and chondrogenic potential as indicated by mineralization and accumulation of sulphated glycosaminoglycans (GAGs), respectively. In vitro analysis of the immune response (in terms of TNF-alpha release) and blood compatibility (in terms of LDH activity) further attests its possible applicability. Moreover, an in vivo subcutaneous implantation study in mice showed minimal inflammation. Taken together, this study demonstrates the potential of natural, biocompatible HBSMs as a suitable biomaterial for tissue engineering and regenerative medicine.
机译:仿生自然来源生物材料是值得注意的生物医学和组织工程中进一步创新的目标。在该研究中,以原生形式研究了蜜丝膜(HBSM)以探索其对组织工程的适用性。从蜜蜂梳子中提取的HBSMS是物理化学表征,其表面形貌,稳定性,然后评估生物降解,机械和生物学性质。场发射扫描电子显微镜(FESEM)和原子力显微镜(AFM)研究揭示了亚微米孔的均匀片状形态,并在特定图案/比上存在均匀针织纤维。傅里叶变换红外(FTIR)光谱表明存在天然盘绕线圈结构构象。发现HBSMS是细胞偶联的并且支持小鼠L929成纤维细胞的增殖,人骨骨肉瘤Mg-63细胞和原发性猪膝关胞软骨细胞。如硫酸化糖胺聚糖(GAG)的矿化和积累所示,在HBSMS上培养的细胞维持骨质发生和软骨内潜力。体外分析免疫应答(根据TNF-α释放)和血液相容性(在LDH活性方面)进一步证明了可能的适用性。此外,小鼠的体内皮下植入研究表明最小的炎症。在一起,本研究表明了天然生物相容性HBSM的潜力,作为组织工程和再生医学的合适生物材料。

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  • 来源
    《RSC Advances》 |2016年第59期|共10页
  • 作者单位

    Indian Inst Technol Guwahati Dept Biosci &

    Bioengn Biomat &

    Tissue Engn Lab Gauhati 781039 Assam India;

    Indian Inst Technol Guwahati Dept Biosci &

    Bioengn Biomat &

    Tissue Engn Lab Gauhati 781039 Assam India;

    Inst Adv Study Sci &

    Technol IASST Life Sci Div Gauhati 781035 Assam India;

    Indian Inst Technol Guwahati Dept Biosci &

    Bioengn Biomat &

    Tissue Engn Lab Gauhati 781039 Assam India;

    West Bengal Univ Anim &

    Fishery Sci Dept Vet Surg &

    Radiol Kolkata 700037 W Bengal India;

    Indian Inst Technol Guwahati Dept Biosci &

    Bioengn Biomat &

    Tissue Engn Lab Gauhati 781039 Assam India;

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  • 正文语种 eng
  • 中图分类 化学;
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