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Review
. 2015 Feb 13;4(1):151-60.
doi: 10.3390/biology4010151.

Oncostatin m modulation of lipid storage

Affiliations
Review

Oncostatin m modulation of lipid storage

Carrie M Elks et al. Biology (Basel). .

Abstract

Oncostatin M (OSM) is a cytokine belonging to the gp130 family, whose members serve pleiotropic functions. However, several actions of OSM are unique from those of other gp130 cytokines, and these actions may have critical roles in inflammatory mechanisms influencing several metabolic and biological functions of insulin-sensitive tissues. In this review, the actions of OSM in adipose tissue and liver are discussed, with an emphasis on lipid metabolism.

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Figures

Figure 1
Figure 1
Oncostatin M (OSM) is produced in adipose tissue and liver immune cells and acts in a paracrine manner in these insulin-sensitive tissues. OSM is produced in T cells and macrophages that are found in adipose tissue and are elevated in conditions of obesity/insulin resistance. OSM receptors are present on preadipocytes and adipocytes, but not macrophages. It is well-known that OSM inhibits adipocyte differentiation. In addition, OSM acts on adipocytes to induce IL-6 and PAI-1 production. These abilities of OSM suggest that blocking OSM receptor activity in preadipocytes and adipocytes may be metabolically beneficial. In liver, OSM is produced in Kupffer cells (resident macrophages) and acts in a paracrine manner on hepatocytes to decrease insulin sensitivity and increase liver lipid accumulation.

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