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Semin Cell Dev Biol. 2010 Oct;21(8):838-44. doi: 10.1016/j.semcdb.2010.07.007. Epub 2010 Aug 3.

Pancreatic beta-cells: from generation to regeneration.

Author information

1
Inserm U636, Diabetes Genetics Team, Nice, France.

Abstract

The pancreas is composed of two main compartments consisting of endocrine and exocrine tissues. The majority of the organ is exocrine and responsible for the synthesis of digestive enzymes and for their transport via an intricate ductal system into the duodenum. The endocrine tissue represents less than 2% of the organ and is organized into functional units called islets of Langerhans, comprising alpha-, beta-, delta-, epsilon- and PP-cells, producing the hormones glucagon, insulin, somatostatin, ghrelin and pancreatic polypeptide (PP), respectively. Insulin-producing beta-cells play a central role in the control of the glucose homeostasis. Accordingly, absolute or relative deficiency in beta-cells may ultimately lead to type 1 and/or type 2 diabetes, respectively. One major goal of diabetes research is therefore to understand the molecular mechanisms controlling the development of beta-cells during pancreas morphogenesis, but also those underlying the regeneration of adult injured pancreas, and assess their significance for future cell-based therapy. In this review, we will therefore present new insights into beta-cell development with focus on beta-cell regeneration.

PMID:
20688184
PMCID:
PMC2967617
DOI:
10.1016/j.semcdb.2010.07.007
[Indexed for MEDLINE]
Free PMC Article
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