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Université de Fribourg

Assessment of the dose–response relationship between meal protein content and postprandial thermogenesis: effect of sex and the oral contraceptive pill

Duhita, Maharani R. ; Schutz, Yves ; Montani, Jean-Pierre ; Dulloo, Abdul G. ; Miles-Chan, Jennifer L.

In: Nutrients, 2019, vol. 11, no. 7, p. 1599

Implementation of efficacious dietary interventions to regulate energy balance requires understanding of the determinants of individual response. To date, information regarding individual variability in response to elevated meal protein content is lacking. This study investigates whether sex and/or oral contraceptive pill (OCP) use play a role in the response to elevated meal protein in 21...

Consortium of Swiss Academic Libraries

Acute asymptomatic hepatitis in a healthy normal volunteer exposed to 2 oral doses of amodiaquine and artesunate

Orrell, C. ; Taylor, W.R.J. ; Offiaro, P.

In: Transactions of The Royal Society of Tropical Medicine and Hygiene, 2001, vol. 95, no. 5, p. 517-518

Université de Fribourg

Adaptive thermogenesis in human body weight regulation: more of a concept than a measurable entity?

Dulloo, Abdul G. ; Jacquet, Jean ; Montani, Jean-Pierre ; Schutz, Yves

In: Obesity Reviews, 2012, vol. 13, no. S2, p. 105–121

According to Lavoisier, ‘Life is combustion’. But to what extent humans adapt to changes in food intake through adaptive thermogenesis – by turning down the rate of heat production during energy deficit (so as to conserve energy) or turning it up during overnutrition (so as to dissipate excess calories) – has been one of the most controversial issues in nutritional sciences over the past...

Université de Fribourg

Body composition, inflammation and thermogenesis in pathways to obesity and the metabolic syndrome: an overview

Dulloo, Abdul G. ; Montani, Jean-Pierre

In: Obesity Reviews, 2012, vol. 13, no. S2, p. 1–5

According to the World Health Organization, overweight and obesity are defined as abnormal or excessive fat accumulation that presents a risk to health. What constitutes ‘abnormal’ fat accumulation in this definition is not specified, but this most likely represents a consensus term that encapsulates the importance of adipose tissue dysfunctions, rather than solely excess fat per se, in the...

Université de Fribourg

Age-dependent alterations in human PER2 levels after early morning blue light exposure

Jud, Corinne ; Chappuis, Sylvie ; Revell, Victoria L. ; Sletten, Tracey L. ; Saaltink, Dirk-Jan ; Cajochen, Christian ; Skene, Debra J. ; Albrecht, Urs

In: Chronobiology International, 2009, vol. 26, no. 7, p. 1462-1469

In our modern society, we are exposed to different artificial light sources that could potentially lead to disturbances of circadian rhythms and, hence, represent a risk for health and welfare. Investigating the acute impact of light on clock-gene expression may thus help us to better understand the mechanisms underlying disorders rooted in the circadian system. Here, we show an overall...

Université de Fribourg

β-Adrenergic control of stearoyl-CoA desaturase 1 repression in relation to sympathoadrenal regulation of thermogenesis

Mainieri, Davide ; Montani, Jean-Pierre ; Seydoux, Josiane ; Giacobino, J. P. ; Boss, O. ; Dulloo, Abdul G.

In: International Journal of Obesity, 2007, vol. 31, no. 2, p. 378–381

Mice lacking β-adrenoceptors, which mediate the thermogenic effects of norepinephrine and epinephrine, show diminished thermogenesis and high susceptibility to obesity, whereas mice lacking stearoyl-CoA desaturase 1 (SCD1), which catalyzes the synthesis of monounsaturated fatty acids, show enhanced thermogenesis and high resistance to obesity. In testing whether β-adrenergic...

Université de Fribourg

Adaptive thermogenesis and uncoupling proteins: a reappraisal of their roles in fat metabolism and energy balance

Dulloo, Abdul G. ; Seydoux, Josiane ; Jacquet, Jean

In: Physiology & Behavior, 2004, vol. 83, no. 4, p. 587-602

After decades of controversies about the quantitative importance of autoregulatory adjustments in energy expenditure in weight regulation, there is now increasing recognition that even subtle variations in thermogenesis could, in dynamic systems and over the long term, be important in determining weight maintenance in some and obesity in others. The main challenge nowadays is to provide a...