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Effect of miR‑19b on the protective effect of Exendin‑4 on islet cells in non‑obese diabetic mice

  • Authors:
    • Jinshui He
    • Yueya Kang
    • Chaowei Lian
    • Jinzhi Wu
    • Huowang Zhou
    • Xiaoling Ye
  • View Affiliations / Copyright

    Affiliations: Department of Pediatrics, Zhangzhou Affiliated Hospital of Fujian Medical University, Zhangzhou, Fujian 363000, P.R. China, Department of Endocrinology, Zhangzhou Affiliated Hospital of Fujian Medical University, Zhangzhou, Fujian 363000, P.R. China
    Copyright: © He et al. This is an open access article distributed under the terms of Creative Commons Attribution License.
  • Pages: 503-508
    |
    Published online on: May 22, 2019
       https://doi.org/10.3892/etm.2019.7598
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Abstract

This study analyzed the effect of miR‑19b on the protective effect of Exendin‑4 on islet cells in non‑obese diabetic (NOD) mice. Twenty‑four NOD/LT mice were randomized, according to the random number table, into a control group (4 µg/kg•day), a low‑dose group (2 µg/kg•day Exendin‑4), a medium‑dose group (4 µg/kg•day Exendin‑4) and a high‑dose group (8 µg/kg•day Exendin‑4) (n=6), with miR‑19b expression interfered (an interference group) except for the control group. RT‑qPCR was used to detect interference results and different doses of Exendin‑4 were given for 8 weeks of intervention after the interference. CD4+ and CD8+ cell levels were detected by flow cytometry, IL‑2 and IL‑10 levels in the peripheral blood by enzyme‑linked immunosorbent assay, and the apoptosis rate of islet cells in the pancreatic tissue by TUNEL. After 4 and 8 weeks of Exendin‑4 intervention, mice in the high‑dose group had lower blood glucose level than the medium‑dose group (P<0.05). The medium‑dose group had lower CD4+ cell level than the high‑dose group (P<0.05), while the medium‑dose group had higher CD8+ cell level than the high‑dose group (P<0.05). After 8 weeks of intervention, compared with the medium‑dose group, the high‑dose group had lower IL‑2 level (P<0.05), but higher IL‑10 level (P<0.05). After 8 weeks of intervention, the medium‑dose group had a higher apoptosis rate than the high‑dose group (P<0.05). In conclusion, the decrease in miR‑19b expression can improve the therapeutic effect of Exendin‑4 on NOD, control blood glucose effectively and improve inflammatory response and immune function, as well as reduce islet cell injury. The increase in the dose of Exendin‑4 can further improve its therapeutic effect on NOD.
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Copy and paste a formatted citation
Spandidos Publications style
He J, Kang Y, Lian C, Wu J, Zhou H and Ye X: Effect of miR‑19b on the protective effect of Exendin‑4 on islet cells in non‑obese diabetic mice. Exp Ther Med 18: 503-508, 2019.
APA
He, J., Kang, Y., Lian, C., Wu, J., Zhou, H., & Ye, X. (2019). Effect of miR‑19b on the protective effect of Exendin‑4 on islet cells in non‑obese diabetic mice. Experimental and Therapeutic Medicine, 18, 503-508. https://doi.org/10.3892/etm.2019.7598
MLA
He, J., Kang, Y., Lian, C., Wu, J., Zhou, H., Ye, X."Effect of miR‑19b on the protective effect of Exendin‑4 on islet cells in non‑obese diabetic mice". Experimental and Therapeutic Medicine 18.1 (2019): 503-508.
Chicago
He, J., Kang, Y., Lian, C., Wu, J., Zhou, H., Ye, X."Effect of miR‑19b on the protective effect of Exendin‑4 on islet cells in non‑obese diabetic mice". Experimental and Therapeutic Medicine 18, no. 1 (2019): 503-508. https://doi.org/10.3892/etm.2019.7598
Copy and paste a formatted citation
x
Spandidos Publications style
He J, Kang Y, Lian C, Wu J, Zhou H and Ye X: Effect of miR‑19b on the protective effect of Exendin‑4 on islet cells in non‑obese diabetic mice. Exp Ther Med 18: 503-508, 2019.
APA
He, J., Kang, Y., Lian, C., Wu, J., Zhou, H., & Ye, X. (2019). Effect of miR‑19b on the protective effect of Exendin‑4 on islet cells in non‑obese diabetic mice. Experimental and Therapeutic Medicine, 18, 503-508. https://doi.org/10.3892/etm.2019.7598
MLA
He, J., Kang, Y., Lian, C., Wu, J., Zhou, H., Ye, X."Effect of miR‑19b on the protective effect of Exendin‑4 on islet cells in non‑obese diabetic mice". Experimental and Therapeutic Medicine 18.1 (2019): 503-508.
Chicago
He, J., Kang, Y., Lian, C., Wu, J., Zhou, H., Ye, X."Effect of miR‑19b on the protective effect of Exendin‑4 on islet cells in non‑obese diabetic mice". Experimental and Therapeutic Medicine 18, no. 1 (2019): 503-508. https://doi.org/10.3892/etm.2019.7598
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