Document Detail


Epithelial-to-mesenchymal transition in pancreatic islet beta cells.
MedLine Citation:
PMID:  20948307     Owner:  NLM     Status:  In-Process    
Abstract/OtherAbstract:
In vitro generation of insulin-producing cells from stem/progenitor cells presents a promising approach to overcome the scarcity of donor pancreas for cell replacement therapy in diabetes. In this regard, pancreatic islet-derived progenitors are proposed to be a better alternative as they are obtained from cells that can efficiently produce insulin under physiological conditions and are supposed to retain the epigenetic memory for producing 'insulin' even after transition to a mesenchymal-like cell type. However, in last few years there has been significant debate in understanding the origin of such islet-derived mesenchymal-like progenitor cells in vitro. The initial idea proposed that human insulin-producing β-cells contribute to generation of a population of islet-derived endocrine progenitor cells by a process of epithelial-to-mesenchymal transition (EMT) in vitro. This idea was challenged by a series of lineage-tracing studies in mice demonstrating the non-beta origin of mesenchymal cells in culture. However, recent observations made by two independent groups confirm that human islet insulin-producing cells can proliferate and contribute to mesenchymal-like cell populations in vitro. Here, we provide a fact sheet about the observations that are till now reported by several groups regarding origin of mesenchymal-like cells in the cultures of pancreatic islets.
Authors:
Mugdha V Joglekar; Anandwardhan A Hardikar
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Publication Detail:
Type:  Journal Article; Research Support, Non-U.S. Gov't     Date:  2010-10-11
Journal Detail:
Title:  Cell cycle (Georgetown, Tex.)     Volume:  9     ISSN:  1551-4005     ISO Abbreviation:  Cell Cycle     Publication Date:  2010 Oct 
Date Detail:
Created Date:  2010-10-28     Completed Date:  -     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  101137841     Medline TA:  Cell Cycle     Country:  United States    
Other Details:
Languages:  eng     Pagination:  4077-9     Citation Subset:  IM    
Affiliation:
Diabetes and Stem Cell Section, National Center for Cell Science, India.
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