Role of medium- and short-chain L-3-hydroxyacyl- CoA dehydrogenase in the regulation of body weight and thermogenesis

Nadja Schulz, Heinz Himmelbauer, Michaela Rath, Michel Van Weeghel, Sander Houten, Wim Kulik, Karsten Suhre, Stephan Scherneck, Heike Vogel, Reinhart Kluge, Petra Wiedmer, Hans Georg Joost, Annette Schürmann

Research output: Contribution to journalArticle

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Abstract

Dysregulation of fatty acid oxidation plays a pivotal role in the pathophysiology of obesity and insulin resistance. Medium- and short-chain-3-hydroxyacyl-coenzyme A (CoA) dehydrogenase (SCHAD) (gene name, hadh) catalyze the third reaction of the mitochondrial β-oxidation cascade, the oxidation of 3-hydroxyacyl-CoA to 3-ketoacyl-CoA, formedium-andshort-chain fatty acids. We identified hadh as a putative obesity gene by comparison of two genome-wide scans, a quantitative trait locus analysis previously performed in the polygenic obese New Zealand obese mouse and an earlier described small interfering RNA-mediated mutagenesis in Caenorhabditis elegans. In the present study, we show that mice lacking SCHAD (hadh -/-) displayed a lower body weight and a reduced fat mass in comparison with hadh +/+ mice under high-fat diet conditions, presumably due to an impaired fuel efficiency, the loss of acylcarnitines via the urine, and increased body temperature. Food intake, total energy expenditure, and locomotor activity were not altered in knockout mice. Hadh -/- mice exhibited normal fat tolerance at 20 C. However, during cold exposure, knockout mice were unable to clear triglycerides from the plasma and to maintain their normal body temperature, indicating that SCHAD plays an important role in adaptive thermogenesis. Blood glucose concentrations in the fasted and postprandial state were significantly lower in hadh -/- mice, whereas insulin levels were elevated. Accordingly, insulin secretion in response to glucose and glucose plus palmitate was elevated in isolated islets of knockout mice. Therefore, our data indicate that SCHAD is involved in thermogenesis, in the maintenance of body weight,and in the regulation of nutrient-stimulated insulin secretion.

Original languageEnglish
Pages (from-to)4641-4651
Number of pages11
JournalEndocrinology
Volume152
Issue number12
DOIs
Publication statusPublished - Dec 2011
Externally publishedYes

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Thermogenesis
Coenzyme A
Oxidoreductases
Body Weight
Knockout Mice
Insulin
Body Temperature
Fatty Acids
Obesity
Fats
Glucose
Obese Mice
Palmitates
Quantitative Trait Loci
Caenorhabditis elegans
High Fat Diet
Locomotion
New Zealand
Mutagenesis
Energy Metabolism

ASJC Scopus subject areas

  • Endocrinology

Cite this

Schulz, N., Himmelbauer, H., Rath, M., Van Weeghel, M., Houten, S., Kulik, W., ... Schürmann, A. (2011). Role of medium- and short-chain L-3-hydroxyacyl- CoA dehydrogenase in the regulation of body weight and thermogenesis. Endocrinology, 152(12), 4641-4651. https://doi.org/10.1210/en.2011-1547

Role of medium- and short-chain L-3-hydroxyacyl- CoA dehydrogenase in the regulation of body weight and thermogenesis. / Schulz, Nadja; Himmelbauer, Heinz; Rath, Michaela; Van Weeghel, Michel; Houten, Sander; Kulik, Wim; Suhre, Karsten; Scherneck, Stephan; Vogel, Heike; Kluge, Reinhart; Wiedmer, Petra; Joost, Hans Georg; Schürmann, Annette.

In: Endocrinology, Vol. 152, No. 12, 12.2011, p. 4641-4651.

Research output: Contribution to journalArticle

Schulz, N, Himmelbauer, H, Rath, M, Van Weeghel, M, Houten, S, Kulik, W, Suhre, K, Scherneck, S, Vogel, H, Kluge, R, Wiedmer, P, Joost, HG & Schürmann, A 2011, 'Role of medium- and short-chain L-3-hydroxyacyl- CoA dehydrogenase in the regulation of body weight and thermogenesis', Endocrinology, vol. 152, no. 12, pp. 4641-4651. https://doi.org/10.1210/en.2011-1547
Schulz, Nadja ; Himmelbauer, Heinz ; Rath, Michaela ; Van Weeghel, Michel ; Houten, Sander ; Kulik, Wim ; Suhre, Karsten ; Scherneck, Stephan ; Vogel, Heike ; Kluge, Reinhart ; Wiedmer, Petra ; Joost, Hans Georg ; Schürmann, Annette. / Role of medium- and short-chain L-3-hydroxyacyl- CoA dehydrogenase in the regulation of body weight and thermogenesis. In: Endocrinology. 2011 ; Vol. 152, No. 12. pp. 4641-4651.
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