Spatial regulation of controlled bioactive factor delivery for bone tissue engineering.
Spatial regulation of controlled bioactive factor delivery for bone tissue engineering.
复制标题
用于骨组织工程的受控生物活性因子输送的空间调节。
DOI:
10.1016/j.addr.2014.11.018
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发表时间:
2015-04
影响因子:
16.1
通讯作者:
Alsberg, Eben
中科院分区:
文献类型:
--
作者:
Samorezov, Julia E.;Alsberg, Eben
Limitations of current treatment options for critical size bone defects create a significant clinical need for tissue engineered bone strategies. This review describes how control over the spatiotemporal delivery of growth factors, nucleic acids, and drugs and small molecules may aid in recapitulating signals present in bone development and healing, regenerating interfaces of bone with other connective tissues, and enhancing vascularization of tissue engineered bone. State-of-the-art technologies used to create spatially controlled patterns of bioactive factors on the surfaces of materials, to build up 3D materials with patterns of signal presentation within their bulk, and to pattern bioactive factor delivery after scaffold fabrication are presented, highlighting their applications in bone tissue engineering. As these techniques improve in areas such as spatial resolution and speed of patterning, they will continue to grow in value as model systems for understanding cell responses to spatially regulated bioactive factor signal presentation in vitro, and as strategies to investigate the capacity of the defined spatial arrangement of these signals to drive bone regeneration in vivo.
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