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Effect of different glucose supply conditions on neuronal energy metabolism.


ABSTRACT: The glucose-excited neurons in brain can sense blood glucose levels and reflect different firing states, which are mainly associated with regulation of blood glucose and energy demand in the brain. In this paper, a new model of glucose-excited neuron in hypothalamus is proposed. The firing properties and energy consumption of this type of neuron under conditions of different glucose levels are simulated and analyzed. The results show that the firing rate and firing duration of the neuron both increase with increasing extracellular glucose levels, but the maximum energy power for an AP is reduced. Further study suggests that the neuron firstly absorbs energy substrates (e.g. glucose) from the blood to prepare for the high energy demand of high-frequency spikes.

SUBMITTER: Zheng H 

PROVIDER: S-EPMC5106456 | biostudies-literature | 2016 Dec

REPOSITORIES: biostudies-literature

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Effect of different glucose supply conditions on neuronal energy metabolism.

Zheng Hongwen H   Wang Rubin R   Qu Jingyi J  

Cognitive neurodynamics 20160825 6


The glucose-excited neurons in brain can sense blood glucose levels and reflect different firing states, which are mainly associated with regulation of blood glucose and energy demand in the brain. In this paper, a new model of glucose-excited neuron in hypothalamus is proposed. The firing properties and energy consumption of this type of neuron under conditions of different glucose levels are simulated and analyzed. The results show that the firing rate and firing duration of the neuron both in  ...[more]

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