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Université de Fribourg

Revealing the fast atomic motion of network glasses

Ruta, B. ; Baldi, G. ; Chushkin, Y. ; Rufflé, B. ; Cristofolini, L. ; Fontana, Adriano ; Zanatta, M. ; Nazzani, Francesco

In: Nature Communications, 2014, vol. 5, p. -

Still very little is known on the relaxation dynamics of glasses at the microscopic level due to the lack of experiments and theories. It is commonly believed that glasses are in a dynamical arrested state, with relaxation times too large to be observed on human time scales. Here we provide the experimental evidence that glasses display fast atomic rearrangements within a few minutes, even in the...

Université de Fribourg

Identification of a SIRT1 Mutation in a Family with Type 1 Diabetes

Biason-Lauber, Anna ; Böni-Schnetzler, Marianne ; Hubbard, Basil P. ; Bouzakri, Karim ; Brunner, Andrea ; Cavelti-Weder, Claudia ; Keller, Cornelia ; Meyer-Böni, Monika ; Meier, Daniel T. ; Brorsson, Caroline ; Timper, Katharina ; Leibowitz, Gil ; Patrignani, Andrea ; Bruggmann, Remy ; Boily, Gino ; Zulewski, Henryk ; Geier, Andreas ; Cermak, Jennifer M. ; Elliott, Peter ; Ellis, James L. ; Westphal, Christoph ; Knobel, Urs ; Eloranta, Jyrki J. ; Kerr-Conte, Julie ; Pattou, François ; Konrad, Daniel ; Matter, Christian M. ; Fontana, Adriano ; Rogler, Gerhard ; Schlapbach, Ralph ; Regairaz, Camille ; Carballido, José M. ; Glaser, Benjamin ; McBurney, Michael W. ; Pociot, Flemming ; Sinclair, David A. ; Donath, Marc Y.

In: Cell Metabolism, 2013, vol. 17, no. 3, p. 448-455

Type 1 diabetes is caused by autoimmune-mediated β cell destruction leading to insulin deficiency. The histone deacetylase SIRT1 plays an essential role in modulating several age-related diseases. Here we describe a family carrying a mutation in the SIRT1 gene, in which all five affected members developed an autoimmune disorder: four developed type 1 diabetes, and one developed ulcerative...