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Ghrelin-induced food intake and adiposity depend on central mTORC1/S6K1 signaling

Overview of attention for article published in Molecular & Cellular Endocrinology, August 2013
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Title
Ghrelin-induced food intake and adiposity depend on central mTORC1/S6K1 signaling
Published in
Molecular & Cellular Endocrinology, August 2013
DOI 10.1016/j.mce.2013.08.009
Pubmed ID
Authors

Darko Stevanovic, Vladimir Trajkovic, Sabrina Müller-Lühlhoff, Elisabeth Brandt, William Abplanalp, Christiane Bumke-Vogt, Beate Liehl, Petra Wiedmer, Kristina Janjetovic, Vesna Starcevic, Andreas F.H. Pfeiffer, Hadi Al-Hasani, Matthias H. Tschöp, Tamara R. Castañeda

Abstract

Signaling through the mammalian target of rapamycin complex 1 (mTORC1) and its effectors the S6-kinases (S6K) in the hypothalamus is thought to be involved in nutrient sensing and control of food intake. Given the anatomical proximity of this pathway to circuits for the hormone ghrelin, we investigated the potential role of the mTORC1/S6K pathway in mediating the metabolic effects of ghrelin. We found that ghrelin promoted phosphorylation of S6K1 in the mouse hypothalamic cell line N-41 and in the rat hypothalamus after intracerebroventricular administration. Rapamycin, an inhibitor of mTORC1, suppressed ghrelin-induced phosphorylation of hypothalamic S6K1 and increased food intake and insulin in rats. Chronic peripheral administration of ghrelin induced a significant increase in body weight, fat mass and food efficiency in wild-type and S6K2-knockout but not in S6K1-knockout mice. We therefore propose that ghrelin-induced hyperphagia, adiposity and insulin secretion are controlled by a central nervous system involving the mTORC1/S6K1 pathway.

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Mendeley readers

Mendeley readers

The data shown below were compiled from readership statistics for 41 Mendeley readers of this research output. Click here to see the associated Mendeley record.

Geographical breakdown

Country Count As %
Serbia 1 2%
Germany 1 2%
Unknown 39 95%

Demographic breakdown

Readers by professional status Count As %
Student > Ph. D. Student 11 27%
Student > Master 6 15%
Student > Doctoral Student 4 10%
Professor > Associate Professor 3 7%
Researcher 3 7%
Other 8 20%
Unknown 6 15%
Readers by discipline Count As %
Agricultural and Biological Sciences 14 34%
Medicine and Dentistry 6 15%
Biochemistry, Genetics and Molecular Biology 6 15%
Pharmacology, Toxicology and Pharmaceutical Science 2 5%
Unspecified 1 2%
Other 3 7%
Unknown 9 22%
Attention Score in Context

Attention Score in Context

This research output has an Altmetric Attention Score of 1. This is our high-level measure of the quality and quantity of online attention that it has received. This Attention Score, as well as the ranking and number of research outputs shown below, was calculated when the research output was last mentioned on 06 October 2013.
All research outputs
#20,656,161
of 25,373,627 outputs
Outputs from Molecular & Cellular Endocrinology
#2,275
of 2,949 outputs
Outputs of similar age
#160,842
of 212,161 outputs
Outputs of similar age from Molecular & Cellular Endocrinology
#34
of 40 outputs
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