scholarly journals Comparison of exendin-4 on beta-cell replication in mouse and human islet grafts

2011 ◽  
Vol 24 (8) ◽  
pp. 856-864 ◽  
Author(s):  
Lei Tian ◽  
Jie Gao ◽  
Guangbin Weng ◽  
Huimin Yi ◽  
Bole Tian ◽  
...  
2006 ◽  
Vol 38 (5-6) ◽  
pp. 931-950 ◽  
Author(s):  
Rupangi C. Vasavada ◽  
Jose A. Gonzalez-Pertusa ◽  
Yuichi Fujinaka ◽  
Nathalie Fiaschi-Taesch ◽  
Irene Cozar-Castellano ◽  
...  

2020 ◽  
Vol 11 (1) ◽  
Author(s):  
Rebeca Fernandez-Ruiz ◽  
Ainhoa García-Alamán ◽  
Yaiza Esteban ◽  
Joan Mir-Coll ◽  
Berta Serra-Navarro ◽  
...  

AbstractExpanding the mass of pancreatic insulin-producing beta cells through re-activation of beta cell replication has been proposed as a therapy to prevent or delay the appearance of diabetes. Pancreatic beta cells exhibit an age-dependent decrease in their proliferative activity, partly related to changes in the systemic environment. Here we report the identification of CCN4/Wisp1 as a circulating factor more abundant in pre-weaning than in adult mice. We show that Wisp1 promotes endogenous and transplanted adult beta cell proliferation in vivo. We validate these findings using isolated mouse and human islets and find that the beta cell trophic effect of Wisp1 is dependent on Akt signaling. In summary, our study reveals the role of Wisp1 as an inducer of beta cell replication, supporting the idea that the use of young blood factors may be a useful strategy to expand adult beta cell mass.


Diabetologia ◽  
2008 ◽  
Vol 51 (10) ◽  
pp. 1862-1872 ◽  
Author(s):  
J. Agudo ◽  
E. Ayuso ◽  
V. Jimenez ◽  
A. Salavert ◽  
A. Casellas ◽  
...  

2015 ◽  
Vol 21 (4) ◽  
pp. 383-388 ◽  
Author(s):  
Peng Wang ◽  
Juan-Carlos Alvarez-Perez ◽  
Dan P Felsenfeld ◽  
Hongtao Liu ◽  
Sharmila Sivendran ◽  
...  

2012 ◽  
Vol 94 (10S) ◽  
pp. 567
Author(s):  
J. Gao ◽  
G. Weng ◽  
A. Aasarullah ◽  
Y. Lu ◽  
M. Holstein ◽  
...  

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