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Université de Fribourg

Low 24-hour core body temperature as a thrifty metabolic trait driving catch-up fat during weight regain after caloric restriction

Calonne, Julie ; Arsenijevic, Denis ; Scerri, Isabelle ; Miles-Chan, Jennifer L. ; Montani, Jean-Pierre ; Dulloo, Abdul G.

In: American Journal of Physiology-Endocrinology and Metabolism, 2019, vol. 317, no. 4, p. E699–E709

The recovery of body weight after substantial weight loss or growth retardation is often characterized by a disproportionately higher rate of fat mass vs. lean mass recovery, with this phenomenon of “preferential catch-up fat” being contributed by energy conservation (thrifty) metabolism. To test the hypothesis that a low core body temperature (Tc) constitutes a thrifty metabolic trait...

Université de Fribourg

Reduced skeletal muscle protein turnover and thyroid hormone metabolism in adaptive thermogenesis that facilitates body fat recovery during weight regain

Calonne, Julie ; Isacco, Laurie ; Miles-Chan, Jennifer L. ; Arsenijevic, Denis ; Montani, Jean-Pierre ; Guillet, Christelle ; Boirie, Yves ; Dulloo, Abdul G.

In: Frontiers in Endocrinology, 2019, vol. 10, p. -

Objective: The recovery of body composition after weight loss is characterized by an accelerated rate of fat recovery (preferential catch-up fat) resulting partly from an adaptive suppression of thermogenesis. Although the skeletal muscle has been implicated as an effector site for such thrifty (energy conservation) metabolism driving catch-up fat, the underlying mechanisms remain to be...

Université de Fribourg

Counting calories in Drosophila diet restriction

Min, Kyung-Jin ; Flatt, Thomas ; Kulaots, Indrek ; Tatar, Marc

In: Experimental Gerontology, 2006, vol. 42, no. 3, p. 247-251

The extension of life span by diet restriction in Drosophila has been argued to occur without limiting calories. Here we directly measure the calories assimilated by flies when maintained on full- and restricted-diets. We find that caloric intake is reduced on all diets that extend life span. Flies on low-yeast diet are long-lived and consume about half the calories of flies on high-yeast diets,...

Consortium of Swiss Academic Libraries

Market selection with learning and catching up with the Joneses

Muraviev, Roman

In: Finance and Stochastics, 2013, vol. 17, no. 2, p. 273-304