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JoVE Journal
Bioengineering
产生和回收的β-细胞的细胞球体从逐步增长的PEG-肽水凝胶
产生和回收的β-细胞的细胞球体从逐步增长的PEG-肽水凝胶
JoVE Journal
Bioengineering
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JoVE Journal Bioengineering
Generation and Recovery of β-cell Spheroids From Step-growth PEG-peptide Hydrogels

产生和回收的β-细胞的细胞球体从逐步增长的PEG-肽水凝胶

Full Text
14,659 Views
09:21 min
December 6, 2012

DOI: 10.3791/50081-v

Asad Raza1, Chien-Chi Lin1

1Department of Biomedical Engineering, Purdue School of Engineering and Technology,Indiana University - Purdue University at Indianapolis

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Please note that some of the translations on this page are AI generated. Click here for the English version.

下面的协议提供了用于封装在逐步增长的PEG-肽水凝胶形成的硫醇 - 烯照片点击反应胰腺β-细胞的技术。这种材料平台不仅提供了细胞相容性的微环境,细胞封装,但也允许用户控制的快速恢复细胞结构内形成的水凝胶。

该程序的总体目标是展示将细胞封装在光聚合水凝胶中的技术,以及随后从生物表征中从酶敏感水凝胶中恢复天然形成的 β 细胞 pH 值。这是通过首先将 mins six β 细胞与前臂钉、去甲酸酯和酶敏肽交联剂混合来实现的。然后使用自由基介导的细胞封装,然后进行光聚合以形成水凝胶。

第二步是在 37 摄氏度的二氧化碳培养箱中培养水凝胶中的封装细胞。细胞增殖形成聚集体后,用缓冲溶液冲洗载有细胞的水凝胶,然后在奇亚胰蛋白酶溶液中孵育。在轻轻摇晃凝胶侵蚀下,然后仔细洗涤回收的聚集体以去除酶溶液和侵蚀的聚合物。

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生物医学工程 第70 生物工程 组织工程 细胞生物学 分子生物学 生物材料 β细胞 β细胞 PEG PEG-肽水凝胶 水凝胶 MIN6 poylmers 肽 球 胰腺

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