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Liu, Y.* ; Mziaut, H.* ; Ivanova, A.* ; Solimena, M.*

beta-Cells at the crossroads: Choosing between insulin granule production and proliferation.

Diabetes Obes. Metab. 11, 54-64 (2009)
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Open Access Green möglich sobald Postprint bei der ZB eingereicht worden ist.
Pancreatic beta-cells are the sole source of insulin, the major hormonal regulator of glycaemia. In physiological and pathological conditions with increased insulin demand, beta-cells adjust their insulin output either through increased insulin secretory granule (ISG) biogenesis and secretion, or hyperplasia. Failure of these compensatory mechanisms eventually results in hyperglycaemia and diabetes mellitus. Both of these major adaptive behaviours are positively regulated by several extrinsic factors, such as glucose, GLP-1, insulin and growth hormones (GH). Still unclear, however, it is how beta-cells in response to these stimuli opt for one or the other strategy at a given time. Here we review recent advances concerning the factors and pathways that enhance ISG biogenesis and beta-cell replication, and propose the existence of 'switch factors' that play a key role in regulating the shift between these two adaptive responses.
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Publikationstyp Artikel: Journalartikel
Dokumenttyp Wissenschaftlicher Artikel
ISSN (print) / ISBN 1462-8902
e-ISSN 1463-1326
Quellenangaben Band: 11, Heft: , Seiten: 54-64 Artikelnummer: , Supplement: ,
Verlag Wiley
Begutachtungsstatus Peer reviewed
Institut(e) Institute for Pancreatic Beta Cell Research (IPI)