Engineering a local microenvironment for pancreatic islet replacement.

Abstract:

:Intraportal islet transplantation has emerged as a promising treatment for type 1 diabetes mellitus (T1DM). Nevertheless, long-term efficacy has been limited to a marginal number of patients. Outcomes have been restricted, in part, by challenges associated with the transplant site, poor vascularization, and disruption of the native islet architecture during the isolation process. Engineering a biomaterial platform that recapitulates critical components of the pancreatic environment can serve to address these hurdles. This review highlights the challenges and opportunities in engineering 3D niches for islets, specifically: the importance of site selection; the application of scaffold functionalization to present bioactive motifs; and the development of technologies for enhancing implant nutritional profiles. The potential of these novel approaches to improve islet engraftment and duration of function is discussed.

journal_name

Curr Opin Biotechnol

authors

Coronel MM,Stabler CL

doi

10.1016/j.copbio.2013.05.004

subject

Has Abstract

pub_date

2013-10-01 00:00:00

pages

900-8

issue

5

eissn

0958-1669

issn

1879-0429

pii

S0958-1669(13)00118-3

journal_volume

24

pub_type

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