Engineering islet for improved performance by optimized reaggregation in alginate gel beads

doi:10.1002/bab.1489

	Engineering islet for improved performance by optimized reaggregation in alginate gel beads
	Li, Na 1,2,3; Sun, Guangwei 1; Wang, Shujun 2; Wang, Yu 1,3; Xiu, Zhilong 2; Sun, Dongsheng 1,2,3; Guo, Xin 1; Zhang, Ying 1; Ma, Xiaojun 1
刊名	BIOTECHNOLOGY AND APPLIED BIOCHEMISTRY
	2017-05-01
卷号	64 期号:3 页码:400-405
关键词	Encapsulation Engineering Islets Islets Isolation Islet Cell Clusters Reaggregation
DOI	10.1002/bab.1489
英文摘要	After islet isolation, diffusion has become the main mechanism to transport oxygen and nutrients into the core of islets. However, diffusion has limitations, by which nutrients cannot effectively reach the core of large islets and can eventually cause core cell death and islet loss. This problem can be resolved by dispersing islets into single islet cells, but single islet cells do not exhibit insulin release function in in vitro culture. In this study, we intended to establish a new islet engineering approach by forming islet cell clusters to improve islet survival and function. Therefore, alginate gels were used to encapsulate islet cells to form artificial islets after dispersion of islets into single cells. The shape of the islet cell clusters was similar to native islets, and the size of the islet cell clusters was limited to a maximum diameter of 100 mu m. By limiting the diameter of this engineered islet cell cluster, cell viability was nearly 100%, a significant improvement over natural islets. Importantly, islet cell clusters express the genes of islets, including Isl-1, Gcg, and insulin-1, and insulin secretion ability was maintained in vitro. C (C) 2016 International Union of Biochemistry and Molecular Biology, Inc.
语种	英语
WOS记录号	WOS:000405275100010
内容类型	期刊论文
源URL	[http://cas-ir.dicp.ac.cn/handle/321008/152026]
专题	大连化学物理研究所_中国科学院大连化学物理研究所
作者单位	1.Chinese Acad Sci, Dalian Inst Chem Phys, Lab Biomed Mat Engn, 457 Zhongshan Rd, Dalian 116023, Peoples R China 2.Dalian Univ Technol, Sch Life Sci & Biotechnol, Dalian, Peoples R China 3.Univ Chinese Acad Sci, Beijing, Peoples R China
推荐引用方式 GB/T 7714	Li, Na,Sun, Guangwei,Wang, Shujun,et al. Engineering islet for improved performance by optimized reaggregation in alginate gel beads[J]. BIOTECHNOLOGY AND APPLIED BIOCHEMISTRY,2017,64(3):400-405.
APA	Li, Na.,Sun, Guangwei.,Wang, Shujun.,Wang, Yu.,Xiu, Zhilong.,...&Ma, Xiaojun.(2017).Engineering islet for improved performance by optimized reaggregation in alginate gel beads.BIOTECHNOLOGY AND APPLIED BIOCHEMISTRY,64(3),400-405.
MLA	Li, Na,et al."Engineering islet for improved performance by optimized reaggregation in alginate gel beads".BIOTECHNOLOGY AND APPLIED BIOCHEMISTRY 64.3(2017):400-405.