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Article

Y-27632 inhibits ethanol-induced increase in intestinal epithelial barrier permeability

  • Authors:
    • Jing Tong
    • Ying Wang
    • Bing Chang
    • Dai Zhang
    • Bingyuan Wang
  • View Affiliations / Copyright

    Affiliations: Department of Gastroenterology, The First Affiliated Hospital of China Medical University, Shenyang, Liaoning 110001, P.R. China
  • Pages: 2357-2361
    |
    Published online on: March 18, 2014
       https://doi.org/10.3892/mmr.2014.2060
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Abstract

The present study aimed to investigate the effect of Y-27632, an inhibitor of the Rho-associated protein kinase (ROCK), which belongs to a family of downstream effectors of activated RhoA, on the ethanol-induced increase in permeability of the intestinal epithelial barrier (IEB). The in vitro model of IEB was established usiung Caco-2 cells, and the cells were pretreated with Y-27632 prior to treatment with ethanol for 60 min. Transepithelial resistance (TEER) and paracellular marker Lucifer yellow flux measurements were performed to assess the IEB permeability. The localization and expression of tight junction (TJ)-associated proteins were detected by immunofluorescence and western blot analysis, respectively. Y-27632 partially inhibited epithelial leakage and restored normal TEER values in the IEB. Immunofluorescence and western blot analysis results indicated that ethanol induces a shift from the insoluble to the soluble fractions of claudin-1, and that the ethanol-induced decreased expression of the zonula occludens-1 (ZO-1) protein is restored by Y-27632. In conclusion, our results suggest that ROCK may play a key role in the ethanol-induced increase of IEB permeability.
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Copy and paste a formatted citation
Spandidos Publications style
Tong J, Wang Y, Chang B, Zhang D and Wang B: Y-27632 inhibits ethanol-induced increase in intestinal epithelial barrier permeability. Mol Med Rep 9: 2357-2361, 2014.
APA
Tong, J., Wang, Y., Chang, B., Zhang, D., & Wang, B. (2014). Y-27632 inhibits ethanol-induced increase in intestinal epithelial barrier permeability. Molecular Medicine Reports, 9, 2357-2361. https://doi.org/10.3892/mmr.2014.2060
MLA
Tong, J., Wang, Y., Chang, B., Zhang, D., Wang, B."Y-27632 inhibits ethanol-induced increase in intestinal epithelial barrier permeability". Molecular Medicine Reports 9.6 (2014): 2357-2361.
Chicago
Tong, J., Wang, Y., Chang, B., Zhang, D., Wang, B."Y-27632 inhibits ethanol-induced increase in intestinal epithelial barrier permeability". Molecular Medicine Reports 9, no. 6 (2014): 2357-2361. https://doi.org/10.3892/mmr.2014.2060
Copy and paste a formatted citation
x
Spandidos Publications style
Tong J, Wang Y, Chang B, Zhang D and Wang B: Y-27632 inhibits ethanol-induced increase in intestinal epithelial barrier permeability. Mol Med Rep 9: 2357-2361, 2014.
APA
Tong, J., Wang, Y., Chang, B., Zhang, D., & Wang, B. (2014). Y-27632 inhibits ethanol-induced increase in intestinal epithelial barrier permeability. Molecular Medicine Reports, 9, 2357-2361. https://doi.org/10.3892/mmr.2014.2060
MLA
Tong, J., Wang, Y., Chang, B., Zhang, D., Wang, B."Y-27632 inhibits ethanol-induced increase in intestinal epithelial barrier permeability". Molecular Medicine Reports 9.6 (2014): 2357-2361.
Chicago
Tong, J., Wang, Y., Chang, B., Zhang, D., Wang, B."Y-27632 inhibits ethanol-induced increase in intestinal epithelial barrier permeability". Molecular Medicine Reports 9, no. 6 (2014): 2357-2361. https://doi.org/10.3892/mmr.2014.2060
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