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Article

L-carnitine ameliorates peripheral neuropathy in diabetic mice with a corresponding increase in insulin‑like growth factor‑1 level

  • Authors:
    • Rui Wang
    • Liuxin Wang
    • Caishun Zhang
    • Yan Zhang
    • Yuan Liu
    • Limin Song
    • Ruixia Ma
    • Jing Dong
  • View Affiliations / Copyright

    Affiliations: Department of Special Medicine, Medical College, Qingdao University, Qingdao, Shandong 266071, P.R. China, Department of Nephrology, Medical College, Qingdao University, Qingdao, Shandong 266071, P.R. China, Department of Nephrology, Affiliated Hospital of Qingdao University, Qingdao, Shandong 266003, P.R. China, Department of Physiology, Medical College, Qingdao University, Qingdao, Shandong 266071, P.R. China
  • Pages: 743-751
    |
    Published online on: November 13, 2018
       https://doi.org/10.3892/mmr.2018.9647
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Abstract

Diabetic peripheral neuropathy (DPN) is one of the common complications in diabetes, affecting more than half of patients with diabetes. L‑carnitine (LC) was recently demonstrated to serve a positive role in ameliorating DPN. Therefore, the aim of the present study was to investigate the underlying mechanisms of LC in ameliorating DPN. Male Kunming mice were randomly assigned into five groups, including the control group, diabetes mellitus group, pre‑treatment group, treatment group and post‑treatment group. Type 2 diabetes was induced in mice using a combination of high‑fat diet and streptozotocin injection. Subsequently, peripheral neuropathy was measured and the levels of LC, insulin and insulin‑like growth factor‑1 (IGF‑1) were detected. When diabetic mice were treated with LC, the levels of IGF‑1 in the plasma and pancreas were increased. In addition, hyperalgesia, as determined by the tail‑flick test as well as food intake, body weight and blood glucose levels were decreased. An amelioration of demyelination, axonal atrophy and mitochondria swelling in the nerve fibres of diabetic mice was also observed. The present study demonstrated that LC ameliorated peripheral neuropathy in type 2 diabetic mice and the effect of LC may in part be mediated by an increase in local and circulatory IGF‑1 levels.
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Copy and paste a formatted citation
Spandidos Publications style
Wang R, Wang L, Zhang C, Zhang Y, Liu Y, Song L, Ma R and Dong J: L-carnitine ameliorates peripheral neuropathy in diabetic mice with a corresponding increase in insulin‑like growth factor‑1 level. Mol Med Rep 19: 743-751, 2019.
APA
Wang, R., Wang, L., Zhang, C., Zhang, Y., Liu, Y., Song, L. ... Dong, J. (2019). L-carnitine ameliorates peripheral neuropathy in diabetic mice with a corresponding increase in insulin‑like growth factor‑1 level. Molecular Medicine Reports, 19, 743-751. https://doi.org/10.3892/mmr.2018.9647
MLA
Wang, R., Wang, L., Zhang, C., Zhang, Y., Liu, Y., Song, L., Ma, R., Dong, J."L-carnitine ameliorates peripheral neuropathy in diabetic mice with a corresponding increase in insulin‑like growth factor‑1 level". Molecular Medicine Reports 19.1 (2019): 743-751.
Chicago
Wang, R., Wang, L., Zhang, C., Zhang, Y., Liu, Y., Song, L., Ma, R., Dong, J."L-carnitine ameliorates peripheral neuropathy in diabetic mice with a corresponding increase in insulin‑like growth factor‑1 level". Molecular Medicine Reports 19, no. 1 (2019): 743-751. https://doi.org/10.3892/mmr.2018.9647
Copy and paste a formatted citation
x
Spandidos Publications style
Wang R, Wang L, Zhang C, Zhang Y, Liu Y, Song L, Ma R and Dong J: L-carnitine ameliorates peripheral neuropathy in diabetic mice with a corresponding increase in insulin‑like growth factor‑1 level. Mol Med Rep 19: 743-751, 2019.
APA
Wang, R., Wang, L., Zhang, C., Zhang, Y., Liu, Y., Song, L. ... Dong, J. (2019). L-carnitine ameliorates peripheral neuropathy in diabetic mice with a corresponding increase in insulin‑like growth factor‑1 level. Molecular Medicine Reports, 19, 743-751. https://doi.org/10.3892/mmr.2018.9647
MLA
Wang, R., Wang, L., Zhang, C., Zhang, Y., Liu, Y., Song, L., Ma, R., Dong, J."L-carnitine ameliorates peripheral neuropathy in diabetic mice with a corresponding increase in insulin‑like growth factor‑1 level". Molecular Medicine Reports 19.1 (2019): 743-751.
Chicago
Wang, R., Wang, L., Zhang, C., Zhang, Y., Liu, Y., Song, L., Ma, R., Dong, J."L-carnitine ameliorates peripheral neuropathy in diabetic mice with a corresponding increase in insulin‑like growth factor‑1 level". Molecular Medicine Reports 19, no. 1 (2019): 743-751. https://doi.org/10.3892/mmr.2018.9647
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