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Pilot study and bioinformatics analysis of differentially expressed genes in adipose tissues of rats with excess dietary intake

  • Authors:
    • Jun Chao Yuan
    • Thaneswary Yogarajah
    • Shern Kwok Lim
    • Get Bee Yvonne Tee
    • Boon Yin Khoo
  • View Affiliations / Copyright

    Affiliations: Department of Endocrinology, The First People's Hospital of Yunnan Province, Kunming, Yunnan 650032, P.R. China, Institute for Research in Molecular Medicine (INFORMM), Universiti Sains Malaysia, Penang 11800, Malaysia, School of Health Sciences, Universiti Sains Malaysia, Kubang Kerian, Kelantan 16150, Malaysia
    Copyright: © Yuan et al. This is an open access article distributed under the terms of Creative Commons Attribution License.
  • Pages: 2063-2072
    |
    Published online on: March 4, 2020
       https://doi.org/10.3892/mmr.2020.11012
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Abstract

Excessive adipose tissue accumulation is an increasing health problem worldwide. The present study aimed to determine differentially expressed genes (DEGs) that are associated with the excessive accumulation of adipose tissues by PCR arrays in an excess dietary intake animal model. For this purpose, male Sprague Dawley rats were randomly assigned to 2 groups: Control (given an ordinary diet) and experimental (given twice the amount of the ordinary diet). After 2 months of feeding, the abdominal cavities of the rats from each group were opened, then subcutaneous and visceral adipose tissues were removed. The adipose tissues collected were then used for total RNA extraction and then reverse transcribed to cDNA, which was then used as a template to identify the DEGs of 84 transcripts for rat obesity by RT2 Profiler PCR Arrays. The results showed significant downregulation of bombesin‑like receptor 3 (BRS3) and uncoupling protein 1 (UCP1) in visceral adipose tissues of experimental rats compared with those of the control rats, and differential gene expression analysis showed an association with fat cell differentiation and regulation of triglyceride sequestration, as well as fatty acid binding. The gene expression patterns observed in the present study, which may be associated with peroxisome proliferator‑activated receptor‑γ (PPARG) on excessive visceral adipose tissue accumulation, may be useful in identifying a group of surrogate biomarkers for the early diet‑induced accumulation of visceral adipose tissue detection in humans. The biomarkers can also be the specific targets for drug development to reduce excessive visceral adipose tissue accumulation in the body and its associated diseases.
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Copy and paste a formatted citation
Spandidos Publications style
Yuan JC, Yogarajah T, Lim SK, Yvonne Tee GB and Khoo BY: Pilot study and bioinformatics analysis of differentially expressed genes in adipose tissues of rats with excess dietary intake. Mol Med Rep 21: 2063-2072, 2020.
APA
Yuan, J.C., Yogarajah, T., Lim, S.K., Yvonne Tee, G.B., & Khoo, B.Y. (2020). Pilot study and bioinformatics analysis of differentially expressed genes in adipose tissues of rats with excess dietary intake. Molecular Medicine Reports, 21, 2063-2072. https://doi.org/10.3892/mmr.2020.11012
MLA
Yuan, J. C., Yogarajah, T., Lim, S. K., Yvonne Tee, G. B., Khoo, B. Y."Pilot study and bioinformatics analysis of differentially expressed genes in adipose tissues of rats with excess dietary intake". Molecular Medicine Reports 21.5 (2020): 2063-2072.
Chicago
Yuan, J. C., Yogarajah, T., Lim, S. K., Yvonne Tee, G. B., Khoo, B. Y."Pilot study and bioinformatics analysis of differentially expressed genes in adipose tissues of rats with excess dietary intake". Molecular Medicine Reports 21, no. 5 (2020): 2063-2072. https://doi.org/10.3892/mmr.2020.11012
Copy and paste a formatted citation
x
Spandidos Publications style
Yuan JC, Yogarajah T, Lim SK, Yvonne Tee GB and Khoo BY: Pilot study and bioinformatics analysis of differentially expressed genes in adipose tissues of rats with excess dietary intake. Mol Med Rep 21: 2063-2072, 2020.
APA
Yuan, J.C., Yogarajah, T., Lim, S.K., Yvonne Tee, G.B., & Khoo, B.Y. (2020). Pilot study and bioinformatics analysis of differentially expressed genes in adipose tissues of rats with excess dietary intake. Molecular Medicine Reports, 21, 2063-2072. https://doi.org/10.3892/mmr.2020.11012
MLA
Yuan, J. C., Yogarajah, T., Lim, S. K., Yvonne Tee, G. B., Khoo, B. Y."Pilot study and bioinformatics analysis of differentially expressed genes in adipose tissues of rats with excess dietary intake". Molecular Medicine Reports 21.5 (2020): 2063-2072.
Chicago
Yuan, J. C., Yogarajah, T., Lim, S. K., Yvonne Tee, G. B., Khoo, B. Y."Pilot study and bioinformatics analysis of differentially expressed genes in adipose tissues of rats with excess dietary intake". Molecular Medicine Reports 21, no. 5 (2020): 2063-2072. https://doi.org/10.3892/mmr.2020.11012
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