首页> 外国专利> Osteogenic matrix composite used for coating tissue engineering implants or scaffolds, comprises non-collagen extracellular matrix component integrated in non-crosslinked collagen fibrils

Osteogenic matrix composite used for coating tissue engineering implants or scaffolds, comprises non-collagen extracellular matrix component integrated in non-crosslinked collagen fibrils

机译:用于覆盖组织工程植入物或支架的成骨基质复合材料,包含整合在非交联胶原纤维中的非胶原细胞外基质成分

摘要

Osteogenic matrix composite (A) comprises a collagen component (I) and a non-collagen extracellular matrix (ECM) component (or its derivatives) (II). (I) Comprises non-crosslinked collagen fibrils obtained by fibrillogenesis and (II) is integrated in (I). Independent claims are included for: (1) preparation of (A) by forming the collagen fibrils (I) by fibrillogenesis in the presence of previously added (II), resuspending the obtained collagen fibrils in water or a buffer system and optionally lyophilizing; (2) production of an implant or scaffold for tissue engineering, having a coating of (A), which comprises preparing resuspended (A) as above and immobilizing (A) on the implant or scaffold surface by dip-coating; (3) production of a scaffold for tissue engineering, having a coating of (A), which comprises preparing (A) by fibrillogenesis as above, where the fibrillogenesis is carried out in the scaffold to form the fibrils in situ and the fibrils are dried or allowed to remain in gel form; (4) implants or scaffolds for tissue engineering, having a coating of (A); and (5) coating solutions containing (A).
机译:成骨基质复合物(A)包含胶原蛋白成分(I)和非胶原细胞外基质(ECM)成分(或其衍生物)(II)。 (I)包括通过原纤维形成而获得的非交联的胶原原纤维,(II)整合在(I)中。包括以下独立权利要求:(1)制备(A),通过在先前添加的(II)存在下通过原纤维形成形成胶原原纤维(I),将获得的胶原原纤维重悬于水或缓冲系统中,并任选冻干; (2)生产具有(A)涂层的用于组织工程的植入物或支架,其包括制备如上所述的重悬的(A)并通过浸涂将(A)固定在植入物或支架表面上; (3)制备用于组织工程的具有(A)涂层的支架,其包括通过如上所述的原纤维形成制备(A),其中在原支架中进行原纤维形成以原位形成原纤维并且将原纤维干燥或使其保持凝胶形式; (4)具有(A)涂层的用于组织工程的植入物或支架; (5)含有(A)的涂布液。

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