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    • 67. 发明授权
    • Vascularization enhanced graft constructs
    • 血管化增强移植物构建体
    • US07795022B2
    • 2010-09-14
    • US10428355
    • 2003-05-02
    • Stephen F. Badylak
    • Stephen F. Badylak
    • A61K35/407A61K35/12C12N5/08
    • A61L27/3886A61K35/34A61L27/3604A61L27/3804A61L27/3808A61L27/3813A61L27/3826A61L27/383
    • A tissue graft construct for use in repairing diseased or damaged tissues is provided. The tissue graft construct comprises a matrix composition selected from the group consisting of liver basement membrane and extracts and hydrolysates thereof, and processed collagen from vertebrate non-submucosal sources, added endothelial cells, and at least one additional preselected, exogenous population of cells which enhance the initiation of vessel-like structures in the grant. The preselected population of cells can be a population of non-keratinized or keratinized epithelial cells or a population of mesodermally derived cells selected from the group consisting of fibroblasts, smooth muscle cells, skeletal muscle cells, cardiac muscle cells, multi-potential progenitor cells, pericytes, osteogenic cells, and any other suitable cell type, preferably selected based on the tissue to be repaired. Methods for enhancing the vascularization in vivo of these tissue graft constructs and for preparing these graft constructs are also provided.
    • 提供了用于修复患病或受损组织的组织移植物构建体。 组织移植物构建体包含选自肝基底膜和其提取物及其水解物的基质组合物,以及来自脊椎动物非粘膜下层源的加工胶原,加入的内皮细胞和至少一种另外预选的外源细胞群,其增强 在授权中启动类似船只的结构。 预选的细胞群可以是非角化角化角化细胞或角化细胞上皮细胞群或选自成纤维细胞,平滑肌细胞,骨骼肌细胞,心肌细胞,多潜能祖细胞, 周细胞,成骨细胞和任何其它合适的细胞类型,优选基于待修复的组织选择。 还提供了用于增强这些组织移植物构建体体内血管形成和制备这些移植物构建体的方法。