Collagen Scaffolds Incorporating Coincident Gradations of Instructive Structural and Biochemical Cues for Osteotendinous Junction Engineering.

Collagen Scaffolds Incorporating Coincident Gradations of Instructive Structural and Biochemical Cues for Osteotendinous Junction Engineering.
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DOI:
10.1002/adhm.201400809
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发表时间:
2015-04-22
影响因子:
10
通讯作者:
Harley, Brendan A. C.
Harley, Brendan A. C.
中科院分区:
工程技术1区
文献类型:
--
作者:
Caliari, Steven R.;Weisgerber, Daniel W.;Grier, William K.;Mahmassani, Ziad;Boppart, Marni D.;Harley, Brendan A. C.

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空间有序的组织在肌肉骨骼系统中普遍存在,并且对于能够功能性地复制这种异质组织的生物物理和生物分子特征的生物材料的开发提出了独特的挑战。虽然大多数组织工程方法集中在单个组织的修复上,但骨科损伤通常发生在软组织和骨之间的界面处。这种多组织连接的常见类别包括骨软骨(软骨-骨)、软骨-骨、韧带-骨和骨腱(腱-骨连接,TBJ)界面。一个典型的例子,一个常见的受伤TBJ是冈上肱骨交界处的肩袖。值得注意的是,该连接包含细胞外基质(ECM)蛋白、矿物质含量、结构对齐和生化信号的重叠模式[1,2],其通过最小化细胞外基质(ECM)蛋白和生物化学信号来保护界面免于失效。
Spatially ordered tissues are ubiquitous in the musculoskeletal system and present unique challenges regarding development of biomaterials able to functionally replicate biophysical and biomolecular features of such heterogeneous tissues. While most tissue engineering approaches focus on the repair of single tissues, orthopedic injuries often occur at the interface between soft tissue and bone. Common classes of such multi-tissue junctions include osteochondral (cartilage-bone), meniscus-bone, ligament-bone, and osteotendinous (tendon-bone junction, TBJ) interfaces. A classic example of a commonly injured TBJ is the supraspinatus-humerus junction in the rotator cuff. Notably, the junction contains overlapping patterns of extracellular matrix (ECM) proteins, mineral content, structural alignment, and biochemical signals [1, 2] that protect the interface from failure by minimizing
用于肌腱组织工程的胶原蛋白 - 胶原型支架膜复合材料的发展。
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