The Apolipoprotein M/S1P Axis Controls Triglyceride Metabolism and Brown Fat Activity

Christina Christoffersen, Christine K Federspiel, Anna Borup, Pernille M Christensen, Andreas N Madsen, Markus Heine, Carsten H Nielsen, Andreas Kjaer, Birgitte Holst, Joerg Heeren, Lars B Nielsen

54 Citationer (Scopus)

Abstract

Apolipoprotein M (apoM) is the carrier of sphingosine-1-phosphate (S1P) in plasma high-density lipoproteins. S1P is a bioactive lipid interacting with five receptors (S1P1-5). We show that lack of apoM in mice increases the amount of brown adipose tissue (BAT), accelerates the clearance of postprandial triglycerides, and protects against diet-induced obesity (i.e., a phenotype similar to that induced by cold exposure or β3-adrenergic stimulation). Moreover, the data suggest that the phenotype of apoM-deficient mice is S1P dependent and reflects diminished S1P1 stimulation. The results reveal a link between the apoM/S1P axis and energy metabolism.

OriginalsprogEngelsk
TidsskriftCell Reports
Vol/bind22
Udgave nummer1
Sider (fra-til)175-188
Antal sider14
DOI
StatusUdgivet - 2 jan. 2018

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