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A functional extracellular matrix biomaterial derived from ovine forestomach.

机译:一种功能性细胞外基质生物材料,来自羊前胃。

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摘要

Extracellular matrix (ECM) based biomaterials have an established place as medical devices for wound healing and tissue regeneration. In the search for biomaterials we have identified ovine forestomach matrix (OFM), a thick, large format ECM which is biochemically diverse and biologically functional. OFM was purified using an osmotic process that was shown to reduce the cellularity of the ECM and aid tissue delamination. OFM produced using this technique was shown to retain residual basement membrane components, as evidence by the presence of laminin and collagen IV. The collagenous microarchitecture of OFM retained many components of native ECM including fibronectin, glycosaminoglycans, elastin and fibroblast growth factor basic. OFM was non-toxic to mammalian cells and supported fibroblast and keratinocyte migration, differentiation and infiltration. OFM is a culturally acceptable alternative to current collagen-based biomaterials and has immediate clinical applications in wound healing and tissue regeneration.
机译:基于细胞外基质(ECM)的生物材料在伤口愈合和组织再生的医疗设备中已占有一席之地。在寻找生物材料时,我们确定了羊前胃基质(OFM),这是一种厚的,大幅面的ECM,具有生化多样性和生物学功能。 OFM使用渗透过程进行了纯化,这种渗透过程可降低ECM的细胞密度并帮助组织分层。使用层粘连蛋白和胶原IV的存在证明了使用该技术生产的OFM保留了残留的基底膜成分。 OFM的胶原微结构保留了天然ECM的许多成分,包括纤连蛋白,糖胺聚糖,弹性蛋白和碱性成纤维细胞生长因子。 OFM对哺乳动物细胞无毒,并支持成纤维细胞和角质形成细胞的迁移,分化和浸润。 OFM是目前基于胶原的生物材料在文化上可接受的替代方法,并且在伤口愈合和组织再生中具有直接的临床应用。

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