A Rat Model of Central Fatigue Using a Modified Multiple Platform Method

Weiyue Zhang; Wei Zhang; Ning Dai; Chenxia Han; Fengzhi Wu; Xu Wang; Libo Tan; Jie Li; Feng Li; Qingjia Ren

doi:10.3791/57362

A Rat Model of Central Fatigue Using a Modified Multiple Platform Method

JoVE Journal
Neuroscience

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JoVE Journal Neuroscience

A Rat Model of Central Fatigue Using a Modified Multiple Platform Method

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05:13 min

August 14, 2018

DOI: 10.3791/57362-v

Weiyue Zhang*¹, Wei Zhang*¹, Ning Dai*¹, Chenxia Han², Fengzhi Wu¹, Xu Wang¹, Libo Tan¹, Jie Li¹, Feng Li¹, Qingjia Ren³

¹School of Traditional Chinese Medicine,Beijing University of Chinese Medicine, ²Department of Integrated Traditional Chinese and Western Medicine, West China Hospital,Sichuan University, ³Institute of Tibetan Medicine,Tibetan Traditional Medical College

Overview

This study presents a protocol for introducing a rat model of central fatigue using the modified multiple platform method (MMPM). The approach combines mental and physical factors to better simulate central fatigue, aiming to explore the underlying mechanisms and effects of intermittent sleep deprivation on the model.

Key Study Components

Area of Science

Neuroscience
Behavioral Biology
Psychology

Background

The model investigates fatigue stemming from physical and psychological sources.
It leverages the connection between sleep deprivation and central fatigue.
The 14-hour exposure over 21 days was found to effectively induce fatigue.
Validates the model's use for future research on disease mechanisms.

Purpose of Study

To develop a reliable rat model for studying central fatigue.
To assess both physical and psychological fatigue components.
To enable further studies on the mechanisms of central fatigue.

Methods Used

The main platform is a modified multiple platform tank for inducing central fatigue.
The biological model consists of rats categorized into model and control groups based on weight and randomized assignment.
Key steps include acclimating rats, monitoring behavior, and applying stimulation techniques.
Rats in the model group underwent a water exposure protocol to induce fatigue.
Various behavioral tests assessed the effects post-exposure.

Main Results

Behavioral tests revealed decreased movement and activity in the model group compared to controls.
Significant changes in dopamine and serotonin levels were noted in the hypothalamus.
Results underline dopamine's role in fatigue with implications for central nervous system studies.
The model's responses validated its effectiveness in simulating central fatigue.

Conclusions

This study establishes a non-invasive, easily applicable model for central fatigue research.
The findings enhance understanding of central fatigue mechanisms, paving the way for further exploration of related disorders.
The model can be adapted for studying other conditions influenced by similar factors.

Frequently Asked Questions

What are the advantages of using the modified multiple platform method?

The modified multiple platform method effectively simulates central fatigue by combining physical and psychological factors, providing a robust model for behavioral studies.

How is the rat model of central fatigue constructed?

The model involves placing rats in a water tank with platforms, inducing fear and fatigue while allowing both physical and psychological assessments of fatigue.

What types of data are obtained from this model?

Data includes behavioral changes, movement metrics, and biochemical assessments of dopamine and serotonin levels in the hypothalamus.

How can the central fatigue model be adapted for other studies?

The model can be modified by adjusting the exposure duration or combining factors related to different disorders like depression and navigation fatigue.

What limitations should researchers consider when using this model?

Researchers should monitor animal aggression during acclimatization, especially in the first two weeks, to prevent injuries that may affect experimental outcomes.

Here, we present a protocol to introduce a rat model of central fatigue using the modified multiple platform method (MMPM).

This method can help answer key questions in the model construction of central fatigue. For example, how to produce fatigue from both physical and psychological aspects and how to assess it. The main advantage of this technique is to compound mental factors with modified multiple platform method to better simulate the onset of central fatigue.

We first came up with the idea when we noticed the close association between intermittent sleep deprivation and central fatigue. We tried different hours and days of deprivation to induce central fatigue, and finally, found that 14 hours over 21 days was the right pattern. The model shows good validity in central fatigue, and it can be used in future studies to help review the underlying mechanism of the disease.

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