Statins decrease leptin expression in human white adipocytes

Prachi Singh, Yuebo Zhang, Pragya Sharma, Naima Covassin, Filip Soucek, Paul Andrew Friedman, Virend Somers

Research output: Contribution to journalArticle

5 Citations (Scopus)

Abstract

Statin use is associated with increased calorie intake and consequent weight gain. It is speculated that statin-dependent improvements in lipid profile may undermine the perceived need to follow lipid-lowering and other dietary recommendations leading consequently to increased calorie intake. However, increases in calorie intake in statin users may also be related to statin-dependent decreases in satiety factors such as leptin, an adipocyte-derived adipokine. The objective of our study was to examine the direct effects of statins on leptin expression. Adipocytes are the main source of circulating leptin. Therefore, we examined the effects of atorvastatin and simvastatin on leptin expression in cultured human white adipocytes. We show that treatment of white adipocytes with simvastatin and atorvastatin decreases leptin mRNA expression (simvastatin: P = 0.008, atorvastatin: P = 0.03) and leptin secretion (simvastatin: P = 0.0001, atorvastatin: P = 0.0001). Both simvastatin and atorvastatin mediate decreases in leptin expression via extracellular-signal-regulated kinases 1/2 and peroxisome proliferator-activated receptor gamma pathways (simvastatin: P = 0.01, atorvastatin: P = 0.026). Additionally, statin treatment also induced expected increases in adiponectin, while decreasing monocyte chemoattractant protein 1 (MCP1) mRNA. Furthermore, statins increased secretion of both total as well as high molecular weight adiponectin while decreasing MCP1 secretion. To conclude, statins act directly on human white adipocytes to regulate adipokine secretion and decrease leptin expression. Leptin is an important satiety factor. Hence, statin-dependent decreases in leptin may contribute, at least in part, to increases in food intake in statin users.

Original languageEnglish (US)
Article numbere13566
JournalPhysiological Reports
Volume6
Issue number2
DOIs
StatePublished - Jan 1 2018

Fingerprint

White Adipocytes
Hydroxymethylglutaryl-CoA Reductase Inhibitors
Leptin
Simvastatin
Adipokines
Chemokine CCL2
Adiponectin
Adipocytes
Lipids
Messenger RNA
Mitogen-Activated Protein Kinase 3
PPAR gamma
Mitogen-Activated Protein Kinase 1
Weight Gain
Atorvastatin Calcium
Eating
Molecular Weight

Keywords

  • Leptin
  • satiety
  • statins

ASJC Scopus subject areas

  • Physiology
  • Physiology (medical)

Cite this

Statins decrease leptin expression in human white adipocytes. / Singh, Prachi; Zhang, Yuebo; Sharma, Pragya; Covassin, Naima; Soucek, Filip; Friedman, Paul Andrew; Somers, Virend.

In: Physiological Reports, Vol. 6, No. 2, e13566, 01.01.2018.

Research output: Contribution to journalArticle

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