期刊
CELLS TISSUES ORGANS
卷 211, 期 6, 页码 703-720出版社
KARGER
DOI: 10.1159/000514851
关键词
Hydrogels; Stem cells; Extracellular matrix
Stem cells have great potential in regenerative medicine and tissue engineering. Understanding and mimicking the signaling cues of the extracellular matrix (ECM) can guide stem cell fate and contribute to therapeutic objectives.
In the fields of regenerative medicine and tissue engineering, stem cells offer vast potential for treating or replacing diseased and damaged tissue. Much progress has been made in understanding stem cell biology, yielding protocols for directing stem cell differentiation toward the cell type of interest for a specific application. One particularly interesting and powerful signaling cue is the extracellular matrix (ECM) surrounding stem cells, a network of biopolymers that, along with cells, makes up what we define as a tissue. The composition, structure, biochemical features, and mechanical properties of the ECM are varied in different tissues and developmental stages, and serve to instruct stem cells toward a specific lineage. By understanding and recapitulating some of these ECM signaling cues through engineered ECM-mimicking hydrogels, stem cell fate can be directed in vitro. In this review, we will summarize recent advances in material systems to guide stem cell fate, highlighting innovative methods to capture ECM functionalities and how these material systems can be used to provide basic insight into stem cell biology or make progress toward therapeutic objectives.
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