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Effects of metformin on prostatic tissue of rats with metabolic syndrome and benign prostatic hyperplasia

  • Urology - Original Paper
  • Published:
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Abstract

Objectives

To investigate the efficacy of insulin sensitizer on prostatic tissue in animal model with benign prostatic hyperplasia (BPH) secondary to metabolic syndrome (MetS).

Methods

Models were established by providing Sprague–Dawley rats with high fat diet (HFD) combined with metformin or not. All objects were killed 40 days later with prostatic tissue being removed, weighed before stained, as well as the expression level of insulin-like growth factor I (IGF-1) and receptor (IGF-1R) being measured, and the level of insulin resistance (IR) has also been evaluated.

Results

Model has been successfully established. Level of prostatic hyperplasia and IR as well as IGF-1 and IGF-1R expressions in the blank and saline control subunits of HFD group was higher than that of normal diet group (P < 0.05). In the subunit of metformin, along with the suppression of IR, the level of prostatic hyperplasia and the expression of IGF-1 pathway have both decreased (P < 0.05).

Conclusion

MetS can promote the growth of prostate during the formation of central obesity and IR. IGF-1 pathway may have an important role in the induction of BPH following IR. The application of metformin can suppress the expression of IGF-1 and IGF-1R, thus preventing the promotive effect of IR on prostate tissue in animal model of MetS.

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Acknowledgements

Relevant personnel from the department of pathology, laboratory animal center, and urology of Anhui provincial hospital have provided a great deal of help.

Funding

This study was funded by Natural Science Foundation of Anhui Province (1408085QH152).

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Authors and Affiliations

  1. Department of Urology, Anhui Provincial Hospital, The First Affiliated Hospital of University of Science and Technology of China, #17 Lujiang Road, Hefei, 230001, China

    Congyun Xu, Yan Xu, Zhou Shen, Jun Xiao & Tao Huang

  2. Department of Pathology, Anhui Provincial Hospital, The First Affiliated Hospital of University of Science and Technology of China, #17 Lujiang Road, Hefei, 230001, China

    Hangcheng Zhou

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  1. Congyun Xu
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  2. Yan Xu
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  3. Zhou Shen
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Correspondence to Tao Huang.

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Conflict of interest

All the authors declare that they have no conflict of interest.

Ethics committee

The use of animal in this research was approved by the ethics committee of experimental animal of Anhui medical university.

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Xu, C., Xu, Y., Shen, Z. et al. Effects of metformin on prostatic tissue of rats with metabolic syndrome and benign prostatic hyperplasia. Int Urol Nephrol 50, 611–617 (2018). https://doi.org/10.1007/s11255-018-1826-9

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  • DOI: https://doi.org/10.1007/s11255-018-1826-9

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