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High glucose upregulates myosin light chain kinase to induce microfilament cytoskeleton rearrangement in hippocampal neurons

  • Authors:
    • Liying Zhu
    • Chengcheng Li
    • Guiqin Du
    • Meixiu Pan
    • Guoqi Liu
    • Wei Pan
    • Xing Li
  • View Affiliations / Copyright

    Affiliations: Department of Medical Laboratory, Guizhou Medical University, Guiyang, Guizhou 550004, P.R. China
    Copyright: © Zhu et al. This is an open access article distributed under the terms of Creative Commons Attribution License.
  • Pages: 216-222
    |
    Published online on: May 3, 2018
       https://doi.org/10.3892/mmr.2018.8960
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Abstract

Chronic hyperglycemia leads to myosin light chain kinase (MLCK) upregulation and induces neuronal damage. However, the underlying molecular mechanism of neuronal damage in hyperglycemia has not yet been fully elucidated. In the present study, hippocampal neuronal cells were cultured and treated with a high glucose concentration (45 mmol/l). The results demonstrated that high glucose induced shrinking of the synapses, nuclear shape irregularity and microfilament damage. Filamentous actin (F‑actin) filaments were rearranged, cell apoptosis rate was increased and the protein expression of MLCK and phosphorylated (p)‑MLC was upregulated. The MLCK inhibitor ML‑7 largely reversed the alterations in the microfilament cytoskeleton, inhibited F‑actin depolymerization, reduced apoptosis and downregulated MLCK and p‑MLC protein expression. Overall, these results indicated that high glucose upregulated MLCK to promote F‑actin depolymerization, which induced microfilament cytoskeleton rearrangement in hippocampal neuronal cells.
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Copy and paste a formatted citation
Spandidos Publications style
Zhu L, Li C, Du G, Pan M, Liu G, Pan W and Li X: High glucose upregulates myosin light chain kinase to induce microfilament cytoskeleton rearrangement in hippocampal neurons. Mol Med Rep 18: 216-222, 2018.
APA
Zhu, L., Li, C., Du, G., Pan, M., Liu, G., Pan, W., & Li, X. (2018). High glucose upregulates myosin light chain kinase to induce microfilament cytoskeleton rearrangement in hippocampal neurons. Molecular Medicine Reports, 18, 216-222. https://doi.org/10.3892/mmr.2018.8960
MLA
Zhu, L., Li, C., Du, G., Pan, M., Liu, G., Pan, W., Li, X."High glucose upregulates myosin light chain kinase to induce microfilament cytoskeleton rearrangement in hippocampal neurons". Molecular Medicine Reports 18.1 (2018): 216-222.
Chicago
Zhu, L., Li, C., Du, G., Pan, M., Liu, G., Pan, W., Li, X."High glucose upregulates myosin light chain kinase to induce microfilament cytoskeleton rearrangement in hippocampal neurons". Molecular Medicine Reports 18, no. 1 (2018): 216-222. https://doi.org/10.3892/mmr.2018.8960
Copy and paste a formatted citation
x
Spandidos Publications style
Zhu L, Li C, Du G, Pan M, Liu G, Pan W and Li X: High glucose upregulates myosin light chain kinase to induce microfilament cytoskeleton rearrangement in hippocampal neurons. Mol Med Rep 18: 216-222, 2018.
APA
Zhu, L., Li, C., Du, G., Pan, M., Liu, G., Pan, W., & Li, X. (2018). High glucose upregulates myosin light chain kinase to induce microfilament cytoskeleton rearrangement in hippocampal neurons. Molecular Medicine Reports, 18, 216-222. https://doi.org/10.3892/mmr.2018.8960
MLA
Zhu, L., Li, C., Du, G., Pan, M., Liu, G., Pan, W., Li, X."High glucose upregulates myosin light chain kinase to induce microfilament cytoskeleton rearrangement in hippocampal neurons". Molecular Medicine Reports 18.1 (2018): 216-222.
Chicago
Zhu, L., Li, C., Du, G., Pan, M., Liu, G., Pan, W., Li, X."High glucose upregulates myosin light chain kinase to induce microfilament cytoskeleton rearrangement in hippocampal neurons". Molecular Medicine Reports 18, no. 1 (2018): 216-222. https://doi.org/10.3892/mmr.2018.8960
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