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Comparative analysis of acute and chronic stress-induced neurobehavioral alteration and liver injury in mice

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Molecular & Cellular Toxicology Aims and scope Submit manuscript

Abstract

Backgrounds

Recent research has shown that stress has a significant influence on the functions of many organs.

Objective

The present study investigated the effect of acute or chronic restraint stress on physiological and psychological processes.

Results

In the acute stress group, body weight and food intake did not change, but in the chronic stress group, food intake significantly increased and body weight was significantly inhibited. ALT and AST levels were significantly increased by both groups. Acute and chronic restraint stress led to different behavioral changes. Serum levels of corticosterone and cortisol were more increased in chronic stress than in acute stress. The levels of neurons and astrocyte in the hippocampus, and the NeuN-positive neuronal cells remained unaffected by acute stress, but were decreased by chronic stress. GFAP-positive astrocytes were increased by both groups.

Conclusion

In summary, our study provides evidence of a relationship between liver injury and behavioral change upon exposure to restraint stress.

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Acknowledgements

This work was also supported by Basic Science Research Program through the National Research Foundation of Korea (NRF) funded by the Ministry of Education (NRF-2017R1D1A1B03032284) and by a grant (No. K17830) from the Korea Institute of Oriental Medicine funded by the Ministry of Education, Science and Technology (MEST), Republic of Korea.

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Authors and Affiliations

Authors

Contributions

KIP conceived and designed the study, and supported all materials. TWh, KYK, YWK and HJD performed the experiments, treatments/animal care and statistical analysis. TWO and KYK wrote the manuscript. KIP reviewed the literature, revised the manuscript and coordinated the study. All authors read and approved the final version of the manuscript.

Corresponding author

Correspondence to Kwang-Il Park.

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Conflict of interest

The authors declare that they have no competing interests.

Human and animal rights

The experimental procedure followed the actual law of animal protection that was approved by the Institutional Animal Care and Use Committee of Korea Institute of Oriental Medicine, Korea.

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Oh, T.W., Kim, KY., Do, H.J. et al. Comparative analysis of acute and chronic stress-induced neurobehavioral alteration and liver injury in mice. Mol. Cell. Toxicol. 16, 367–375 (2020). https://doi.org/10.1007/s13273-020-00094-6

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  • DOI: https://doi.org/10.1007/s13273-020-00094-6

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