首页> 外文会议>Society for Biomaterials fall symposium 2012.;vol. 34. >Patterning biochemical and structural cues into collagen-GAG scaffolds to alter MSC fate for tendon insertion regeneration
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Patterning biochemical and structural cues into collagen-GAG scaffolds to alter MSC fate for tendon insertion regeneration

机译:将生化和结构线索图案化为胶原蛋白-GAG支架,以改变MSC命运以恢复腱插入

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摘要

Scaffold anisotropy, pore size, mineralization, and biomolecule supplementation can be tailored to regulate MSC lineage specification towards, and long-term maintenance of, distinct tendinous vs. osseous phenotypes. Composite biomolecule supplementation strategies with sequestered or freely soluble factors are suitable to drive simultaneous proliferation (i.e. IGF-1) and lineage specification (i.e. GDF-5/7 vs. BMP2 for TC vs. osteoblast). Ongoing work is investigating the influence of GAG-sulfation to mediate long-term endogenous control over cell fate; we are also investigating coincident matrix and biomolecule cues to drive regionally-distinct MSC differentiation.
机译:可以调整支架的各向异性,孔径,矿化作用和生物分子补充,以调节MSC谱系的规格,以适应和长期维持不同的腱与骨表型。具有螯合或易溶因子的复合生物分子补充策略适用于驱动同时增殖(即IGF-1)和谱系规范(即GDF-5 / 7与TC对BMP2对成骨细胞)。正在进行的工作正在研究GAG硫酸化对调解细胞命运的长期内源性控制的影响。我们还在研究重合的基质和生物分子线索,以驱动区域不同的MSC分化。

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