Adenylyl cyclase 3 haploinsufficiency confers susceptibility to diet-induced obesity and insulin resistance in mice

Tao Tong, Ying Shen, Han Woong Lee, Rina Yu, Taesun Park

Research output: Contribution to journalArticle

18 Citations (Scopus)

Abstract

Adenylyl cyclase 3 (Adcy3), a member of the mammalian adenylyl cyclase family responsible for generating the second messenger cAMP, has long been known to play an essential role in olfactory signal transduction. Here, we demonstrated that Adcy3 heterozygous null mice displayed increased visceral adiposity in the absence of hyperphagia and developed abnormal metabolic features characterized by impaired insulin sensitivity, dyslipidemia, and increased plasma levels of proinflammatory cytokines on both chow and high-fat diet (HFD). Of note, HFD decreased the Adcy3 expression in white adipose tissue, liver, and muscle. We also report for the first time that Adcy3 haploinsufficiency resulted in reduced expression of genes involved in thermogenesis, fatty acid oxidation, and insulin signaling, with enhanced expression of genes related to adipogenesis in peripheral tissues of mice. In conclusion, these findings suggest that cAMP signals generated by Adcy3 in peripheral tissues may play a pivotal role in modulating obesity and insulin sensitivity.

Original languageEnglish
Article number34179
JournalScientific reports
Volume6
DOIs
Publication statusPublished - 2016 Sep 28

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Haploinsufficiency
Adenylyl Cyclases
Insulin Resistance
Obesity
Diet
High Fat Diet
Gene Expression
Adipogenesis
Hyperphagia
White Adipose Tissue
Thermogenesis
Adiposity
Second Messenger Systems
Dyslipidemias
Signal Transduction
Fatty Acids
Insulin
Cytokines
Muscles
Liver

All Science Journal Classification (ASJC) codes

  • General

Cite this

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Adenylyl cyclase 3 haploinsufficiency confers susceptibility to diet-induced obesity and insulin resistance in mice. / Tong, Tao; Shen, Ying; Lee, Han Woong; Yu, Rina; Park, Taesun.

In: Scientific reports, Vol. 6, 34179, 28.09.2016.

Research output: Contribution to journalArticle

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AU - Tong, Tao

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