Cited by 5Regulation of Appetite and ObesityPancreatic function and diabetesMetabolism, Diabetes, and Cancer

Central Regulation of Glucose Metabolism in Humans: Fact or Fiction?

Gancheva, Sofiya, Roden, Michael·2016·Diabetes

Abstract

In the past few years, insulin action in the central nervous system (CNS) has attracted a growing interest to better understand the association between neurodegenerative diseases and insulin resistance (IR). Rodent studies have indicated that insulin signaling in the CNS is critical for the suppression of endogenous glucose production (EGP) in the liver (1) and for the regulation of adipose tissue lipolysis (2). These central insulin effects likely depend on PI3K-mediated regulation of several proteins and transcription factors, among which are FoxO1 (3) and AMPK (4), and on the activation of KATP channels (5) in the hypothalamus (Fig. 1). Recent findings show that subsequent activation of hepatic Kupffer cells and an increase in hepatic interleukin-6 induce signal transducer and activator of transcription 3 (STAT3) phosphorylation to inhibit gluconeogenic gene expression (6). Suppression of lipolysis in adipose tissue by brain insulin signaling reduces the availability of gluconeogenic substrates for the liver, which will further decrease EGP (2). In contrast, studies in dogs did not support the concept of a physiological relevance of CNS insulin action for controlling EGP (7). Figure 1 Brain insulin regulation of hepatic glucose production and adipose tissue lipolysis. The insulin-signaling pathway in the arcuate hypothalamus involves the activation of PI3K and AKT and the subsequent inactivation of FoxO1. Also, the inhibition of AMPK and opening of KATP channels are linked to brain insulin’s peripheral metabolic effects. In addition …

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Crossref · 10.2337/dbi16-0032

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Authors
Gancheva, S., & Roden, M.
Affiliations
Deutsches Diabetes-Zentrum e.V. (DE)
Corresponding author
Roden, Michael
Venue
Diabetes
Published
2016-08-13
Volume
65
Issue
9
Pages
2467-2469
ISSN
  • 0012-1797 (ISSN-L)
  • 1939-327X
OpenAlex
W2512013108
Cited by
5
References
17
Citations by year
2023: 1 · 2021: 1 · 2020: 1 · 2018: 1 · 2017: 1
FWCI
0.42
Type
journal article
Language
en
Open access
closed
Locations
  • Diabetes (publishedVersion)
  • PubMed (publishedVersion)
Topics
  • Life Sciences › Neuroscience › Endocrine and Autonomic Systems › Regulation of Appetite and Obesity
  • Health Sciences › Medicine › Surgery › Pancreatic function and diabetes
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Metabolism, Diabetes, and Cancer
Keywords
brain insulin signaling, glucose metabolism, hepatic glucose production, endogenous glucose production, adipose tissue lipolysis, hypothalamus, PI3K/Akt signaling, FOXO1, AMPK, ATP-sensitive potassium channels, STAT3, gluconeogenesis, insulin resistance, neurodegenerative diseases
MeSH terms
Blood Glucose, Humans, Carbohydrate Metabolism

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