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Table 1 Central mechanisms involved in glucose homeostasis and benefit of modulating them for diabetes management

From: Review of the role of the nervous system in glucose homoeostasis and future perspectives towards the management of diabetes

Region

Population of neurons

Peripheral mechanisms

Impact on glucose homeostasis

Ref.

Opportunities for diabetes management

ARC

AgRP

Food entrained oscillator

Regulate feeding behaviour

(Stephan et al. 1979)

Predicting cephalic phase

 

AgRP→aBNST6vl

↑ BAT myostatin expression

Insulin resistance

(Steculorum et al.2016)

Control of SI

 

ARCAgRP→LHN

↑ Appetite

↑ G(t)

(Steculorum et al.2016)

Control of food intake

 

AgRPIR

↓ Hepatic vagal tone

↓ HGP ⇔ Peripheral glucose uptake

(Shin et al. 2017; Yi et al. 2010; Scherer et al. 2011)

Control of hepatic SI

 

NPY

↑ Appetite

↑ G(t)

(Billington and Levine 1992)

Control of food intake

  

↑ Hepatic sympathetic tone

↑ HGP

(Yi et al. 2010)

Control of hepatic SI

 

NPY→PVNTH

↓ Sympathetic tone

↓ BAT thermogenesis

(Yi et al. 2010; Shi et al. 2013)

-

 

POMC

↑ Sympathetic tone

↑ WAT lypolisis

(Shin et al. 2017; Brito et al. 2007)

-

  

MC4R mutations

Insulin resistance

(Elmquist and Marcus 2003)

Control of SI

 

P O M C IR

Impaired insulin action

↑ WAT lipolysis

(Shin et al. 2017)

Control of SI

 

TH

↑ Appetite

↑ G(t)

(Zhang and van den Pol 2016)

Control of food intake

VMH

V M H SF1

-

↑ Glucose uptake ↑ HGP

(Coutinho et al. 2017)

Control of hepatic SI

  

↑ Glucagon ⇔ Insulin

↑ G(t)

(Shimazu and Ishikawa 1981; Stanley et al.2016; Shimazu and Ishikawa 1981)

Control of hypoglycemia

 

V M H Glut

↑ Sympathetic tone

↑ HGP ↑ Tissue uptake

(Shimazu et al. 1966; Gellman et al. 1981; Coutinho et al. 2017)

Control of blood glucose levels

  

↓ Glutamatergic metabolism

↓ Response to hypoglycemia

(Chowdhury et al.2017)

Control of hypoglycemia

LHN

LHN

↑ Parasympathetic tone

↓ HGP

(Shimazu et al. 1991)

Control of blood glucose levels

 

L H N MC4 R

↑ Sympathetic tone

↑ BAT glucose uptake

(Morgan et al. 2015)

Control of SI

SCN

SCN→PVN

↑ Sympathetic tone

↑ HGP

(Fujii et al. 1989; Kalsbeek et al. 2004)

Control of hepatic SI

  1. This table summarizes the impact of activating the most relevant brain regions involved in glucose homeostasis and the potential benefit of changing their activity for modulating insulin sensitivity (SI) and food intake in the context of type 1 and type 2 diabetes management. In particular, their effect on plasma glucose levels (G(t)), hepatic glucose production (HGP) and glucose uptake is shown