Open Access

Erythronium japonicum attenuates histopathological lung abnormalities in a mouse model of ovalbumin-induced asthma

  • Authors:
    • Ji-Hye Seo
    • Mi-Ae Bang
    • Gyeyeop Kim
    • Seung Sik Cho
    • Dae-Hun Park
  • View Affiliations

  • Published online on: March 28, 2016     https://doi.org/10.3892/ijmm.2016.2541
  • Pages: 1221-1228
  • Copyright: © Seo et al. This is an open access article distributed under the terms of Creative Commons Attribution License.

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Abstract

Asthma is a chronic lung condition that can induce mucus hypersecretion and pulmonary obstruction and may even cause death, particularly in children and older individuals. Erythronium japonicum (E. japonicum) is a traditional herb used in Korea and East Asian countries that has been found to exert free radical scavenging activity and anti-proliferative effects in human colorectal carcinoma cells. In the present study, we evaluated the anti-asthmatic effects of an extract of E. japonicum in a mouse model of ovalbumin (OVA)‑induced asthma. Female BALB/c mice were sensitized with an intraperitoneal injection of OVA and aluminum hydroxide hydrate on days 1 and 8 and then received the following treatments on days 21 to 25: i) control (no treatment), ii) sterilized tap water (given orally), iii) 1 mg/kg/day dexamethasone (administered orally), iv) 60 mg/kg/day E. japonicum extract, and v) 600 mg/kg/day E. japonicum extract. On the same days, all the mice except those in the control group were challenged 1 h later with nebulized 5% OVA for 30 min. We found that treatment with E. japonicum extract suppressed the OVA-induced increase in the number of white blood cells and decreased the IgE level in the bronchoalveolar lavage fluid samples obtained from the mice. Histopathological analysis of the lung tissues revealed that E. japonicum attenuated the asthma-related morphological changes in the mouse lung tissue, including the increased secretion of mucus in the bronchioles, eosinophil infiltration around the bronchioles and vessels, and goblet cell and epithelial cell hyperplasia. Immunohistochemical analysis revealed that treatment with E. japonicum extract suppressed the OVA-induced proliferation of T helper cells (CD4+) and B cells (CD19+) in the mouse lung tissue. Furthermore, treatment with E. japonicum extract modulated the expression of both T helper 2 cell-related factors [GATA binding protein 3 (GATA-3), tumor necrosis factor-α (TNF‑α), interleukin (IL)-4, IL-5, IL-6 and IL-13], as well as that of T helper 1 cell-related factors [(interferon-γ (IFN-γ), IL-12p35 and IL-12p40]. These findings suggest that E. japonicum may potentially be used as an anti-asthmatic treatment.
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May-2016
Volume 37 Issue 5

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Online ISSN:1791-244X

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Spandidos Publications style
Seo J, Bang M, Kim G, Cho SS and Park D: Erythronium japonicum attenuates histopathological lung abnormalities in a mouse model of ovalbumin-induced asthma. Int J Mol Med 37: 1221-1228, 2016
APA
Seo, J., Bang, M., Kim, G., Cho, S.S., & Park, D. (2016). Erythronium japonicum attenuates histopathological lung abnormalities in a mouse model of ovalbumin-induced asthma. International Journal of Molecular Medicine, 37, 1221-1228. https://doi.org/10.3892/ijmm.2016.2541
MLA
Seo, J., Bang, M., Kim, G., Cho, S. S., Park, D."Erythronium japonicum attenuates histopathological lung abnormalities in a mouse model of ovalbumin-induced asthma". International Journal of Molecular Medicine 37.5 (2016): 1221-1228.
Chicago
Seo, J., Bang, M., Kim, G., Cho, S. S., Park, D."Erythronium japonicum attenuates histopathological lung abnormalities in a mouse model of ovalbumin-induced asthma". International Journal of Molecular Medicine 37, no. 5 (2016): 1221-1228. https://doi.org/10.3892/ijmm.2016.2541