Investigating design principles of micropatterned encapsulation systems   containing high-density microtissue arrays

doi:10.1007/s11427-014-4609-2

CORC > 北京大学 > 工学院

	Investigating design principles of micropatterned encapsulation systems containing high-density microtissue arrays
	Jiang LiYang ; Liu JiaYing ; Wang Kai ; Gu Xi ; Luo Ying
刊名	science china life sciences
	2014
关键词	hydrogel micropattern array multi-cellular spheroids macroencapsulation PANCREATIC BETA-CELLS ISLET TRANSPLANTATION STEM-CELLS IMMUNOISOLATION DEVICE DIABETIC MICE CHALLENGES CULTURE MODEL XENOTRANSPLANTATION MICROENCAPSULATION
DOI	10.1007/s11427-014-4609-2
英文摘要	Immunoisolation is an important strategy to protect transplanted cells from rejection by the host immune system. Recently, microfabrication techniques have been used to create hydrogel membranes to encapsulate microtissue in an arrayed organization. The method illustrates a new macroencapsulation paradigm that may allow transplantation of a large number of cells with microscale spatial control, while maintaining an encapsulation device that is easily maneuverable and remaining integrated following transplantation. This study aims to investigate the design principles that relate to the translational application of micropatterned encapsulation membranes, namely, the control over the transplantation density/quantity of arrayed microtissues and the fidelity of pre-formed microtissues to micropatterns. Agarose hydrogel membranes with microwell patterns were used as a model encapsulation system to exemplify these principles. Our results show that high-density micropatterns can be generated in hydrogel membranes, which can potentially maximize the percentage volume of cellular content and thereby the transplantation efficiency of the encapsulation device. Direct seeding of microtissues demonstrates that microwell structures can efficiently position and organize pre-formed microtissues, suggesting the capability of micropatterned devices for manipulation of cellular transplants at multicellular or tissue levels. Detailed theoretical analysis was performed to provide insights into the relationship between micropatterns and the transplantation capacity of membrane-based encapsulation. Our study lays the ground for developing new macroencapsulation systems with microscale cellular/tissue patterns for regenerative transplantation.; http://gateway.webofknowledge.com/gateway/Gateway.cgi?GWVersion=2&SrcApp=PARTNER_APP&SrcAuth=LinksAMR&KeyUT=WOS:000331206000010&DestLinkType=FullRecord&DestApp=ALL_WOS&UsrCustomerID=8e1609b174ce4e31116a60747a720701 ; Biology; SCI(E); PubMed; 0; ARTICLE; ying.luo@pku.edu.cn; 2,SI; 221-231; 57
语种	英语
内容类型	期刊论文
源URL	[http://ir.pku.edu.cn/handle/20.500.11897/153906]
专题	工学院
推荐引用方式 GB/T 7714	Jiang LiYang,Liu JiaYing,Wang Kai,et al. Investigating design principles of micropatterned encapsulation systems containing high-density microtissue arrays[J]. science china life sciences,2014.
APA	Jiang LiYang,Liu JiaYing,Wang Kai,Gu Xi,&Luo Ying.(2014).Investigating design principles of micropatterned encapsulation systems containing high-density microtissue arrays.science china life sciences.
MLA	Jiang LiYang,et al."Investigating design principles of micropatterned encapsulation systems containing high-density microtissue arrays".science china life sciences (2014).