Definitive endoderm: a key step in coaxing human embryonic stem cells into transplantable beta-cells.

Abstract:

:Using the Edmonton protocol, a number of patients with Type 1 diabetes mellitus have remained insulin-independent for prolonged periods of time. In spite of this success, transplantation of islets from cadaver donors will remain a therapy for very few patients owing to a lack of donors. Thus, if cell therapy should be widely available, it will require an unlimited source of cells to serve as a 'biological' insulin pump. At this time, the development of beta-cells from hESCs (human embryonic stem cells) has emerged as the most attractive alternative. It is envisioned that ultimate success of an in vitro approach to programme hESCs into beta-cells will depend on the ability, at least to a certain degree, to sequentially reproduce the individual steps that characterizes normal beta-cell ontogenesis during fetal pancreatic development, including definitive endoderm from which all gastrointestinal organs, including the pancreas, originate. In the present article, differentiation of hESCs into putative definitive endodermal cell types is reviewed.

journal_name

Biochem Soc Trans

authors

Semb H

doi

10.1042/BST0360272

subject

Has Abstract

pub_date

2008-06-01 00:00:00

pages

272-5

issue

Pt 3

eissn

0300-5127

issn

1470-8752

pii

BST0360272

journal_volume

36

pub_type

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