Treatment of mice with cromolyn sodium after reperfusion, but not prior to ischemia, attenuates small intestinal ischemia-reperfusion injury

  • Authors:
    • Xiaoliang Gan
    • Dezhao Liu
    • Mian Ge
    • Chenfang Luo
    • Wanling Gao
    • Ziqing Hei
  • View Affiliations

  • Published online on: July 17, 2013     https://doi.org/10.3892/mmr.2013.1591
  • Pages: 928-934
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Abstract

Stabilizing mast cells (MCs) can either inhibit or augment inflammation; however, how improved therapeutic benefits against small intestinal ischemia-reperfusion injury (IIRI) can be achieved by stabilizing MCs remains to be elucidated. The present study was designed to evaluate different treatments with cromolyn sodium (CS, an MC stabilizer), which was administrated either prior to ischemia or after reperfusion. Kunming mice were randomized into a sham-operated group (SH), a sole IIR group (M), in which mice were subjected to 30 min superior mesenteric artery occlusion followed by 3 day or 3 h reperfusion, or IIR, treated with CS 15 min prior to ischemia or 15 min after reperfusion in the PreCr and PostCr groups. The survival rate and Chiu's scores were evaluated. The levels of ET-1, histamine, TNF-α and IL-6, and expression of MC protease 7 (MCP7), MC counts and myeloperoxidase (MPO) activity were quantified. IIR resulted in severe injury as demonstrated by significant increases in mortality and injury score. IIR also led to substantial elevations in the levels of ET-1, histamine, TNF-α and IL-6, expression of MCP7, MC counts and MPO activities (P<0.05, M vs. SH groups). All biochemical changes were markedly reduced in the PostCr group (P<0.05, PostCr vs. M groups), whereas pretreatment of IIR mice with CS prior to ischemia exhibited no changes of ET-1 levels, injury score and inflammation (P>0.05, PreCr vs. M groups). In conclusion, administration of CS after reperfusion, but not prior to ischemia, attenuates IIRI by downregulating ET-1 and suppressing sustained MC activation.
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September 2013
Volume 8 Issue 3

Print ISSN: 1791-2997
Online ISSN:1791-3004

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Spandidos Publications style
Gan X, Liu D, Ge M, Luo C, Gao W and Hei Z: Treatment of mice with cromolyn sodium after reperfusion, but not prior to ischemia, attenuates small intestinal ischemia-reperfusion injury. Mol Med Rep 8: 928-934, 2013
APA
Gan, X., Liu, D., Ge, M., Luo, C., Gao, W., & Hei, Z. (2013). Treatment of mice with cromolyn sodium after reperfusion, but not prior to ischemia, attenuates small intestinal ischemia-reperfusion injury. Molecular Medicine Reports, 8, 928-934. https://doi.org/10.3892/mmr.2013.1591
MLA
Gan, X., Liu, D., Ge, M., Luo, C., Gao, W., Hei, Z."Treatment of mice with cromolyn sodium after reperfusion, but not prior to ischemia, attenuates small intestinal ischemia-reperfusion injury". Molecular Medicine Reports 8.3 (2013): 928-934.
Chicago
Gan, X., Liu, D., Ge, M., Luo, C., Gao, W., Hei, Z."Treatment of mice with cromolyn sodium after reperfusion, but not prior to ischemia, attenuates small intestinal ischemia-reperfusion injury". Molecular Medicine Reports 8, no. 3 (2013): 928-934. https://doi.org/10.3892/mmr.2013.1591