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Article

Elevated caspase‑1 activity and IL‑1β expression are associated with the IPAF inflammasome in an experimental model of allergy

  • Authors:
    • Hamid Reza Nouri
    • Ahmad Karkhah
    • Iraj Mohammadzadeh
    • Mojtaba Sankian
  • View Affiliations / Copyright

    Affiliations: Cellular and Molecular Biology Research Center, Health Research Institute, Babol University of Medical Sciences, Babol 47176, Iran, Student Research Committee, School of Medicine, Babol University of Medical Sciences, Babol 47176, Iran, Non‑communicable Pediatric Diseases Research Center, Amirkola Children's Hospital, Amirkola 47317, Iran, Immunobiochemistry Lab, Immunology Research Center, School of Medicine, Mashhad University of Medical Sciences, Mashhad 91735, Iran
  • Pages: 3356-3362
    |
    Published online on: February 23, 2016
       https://doi.org/10.3892/mmr.2016.4934
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Abstract

Previous studies have indicated that interleukin (IL)‑1β has an important role in the development of allergic diseases. Therefore, the present study aimed to investigate the upstream pathway underlying IL‑1β production in an experimental model of allergy. BALB/c mice (female, 6‑8 weeks old) were sensitized to recombinant (r)Che a 2 by intraperitoneal injection of rChe a 2 adsorbed onto an alum gel suspension on days 0, 7, 14 and 21. In the control group, mice received an injection of 20 mM phosphate‑buffered saline absorbed onto alum via the same route. The allergic status of the mice was confirmed serologically by measuring allergen‑specific immunoglobulin (Ig)E levels. The protein expression levels of IL‑1β and the mRNA expression levels of inflammasome compartments were measured by enzyme‑linked immunosorbent assay and semi‑quantitative reverse transcription polymerase chain reaction, respectively. In addition, caspase‑1 activity was determined by fluorometric assay. Sensitized mice exhibited significantly increased levels of specific IgE (P<0.05). IL‑1β production and caspase‑1 activity were significantly higher in the sensitized mice compared with the control group. In addition, no significant differences were observed between the control and sensitized mice in the expression of genes associated with the inflammasome, including NLR family, pyrin domain containing 3; apoptosis‑associated speck‑like protein; and NLR family, apoptosis inhibitory protein 5. However, IL‑1β converting enzyme protease‑activating factor (IPAF) expression was significantly increased in sensitized mice compared with in the control group (P<0.05). These data indicate that caspase‑1 activation and IL‑1β expression are associated with the IPAF inflammasome. Therefore, based on this association, the IPAF inflammasome may be considered for IL‑1β production in the experimental model of allergy.
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Copy and paste a formatted citation
Spandidos Publications style
Nouri HR, Karkhah A, Mohammadzadeh I and Sankian M: Elevated caspase‑1 activity and IL‑1β expression are associated with the IPAF inflammasome in an experimental model of allergy. Mol Med Rep 13: 3356-3362, 2016.
APA
Nouri, H.R., Karkhah, A., Mohammadzadeh, I., & Sankian, M. (2016). Elevated caspase‑1 activity and IL‑1β expression are associated with the IPAF inflammasome in an experimental model of allergy. Molecular Medicine Reports, 13, 3356-3362. https://doi.org/10.3892/mmr.2016.4934
MLA
Nouri, H. R., Karkhah, A., Mohammadzadeh, I., Sankian, M."Elevated caspase‑1 activity and IL‑1β expression are associated with the IPAF inflammasome in an experimental model of allergy". Molecular Medicine Reports 13.4 (2016): 3356-3362.
Chicago
Nouri, H. R., Karkhah, A., Mohammadzadeh, I., Sankian, M."Elevated caspase‑1 activity and IL‑1β expression are associated with the IPAF inflammasome in an experimental model of allergy". Molecular Medicine Reports 13, no. 4 (2016): 3356-3362. https://doi.org/10.3892/mmr.2016.4934
Copy and paste a formatted citation
x
Spandidos Publications style
Nouri HR, Karkhah A, Mohammadzadeh I and Sankian M: Elevated caspase‑1 activity and IL‑1β expression are associated with the IPAF inflammasome in an experimental model of allergy. Mol Med Rep 13: 3356-3362, 2016.
APA
Nouri, H.R., Karkhah, A., Mohammadzadeh, I., & Sankian, M. (2016). Elevated caspase‑1 activity and IL‑1β expression are associated with the IPAF inflammasome in an experimental model of allergy. Molecular Medicine Reports, 13, 3356-3362. https://doi.org/10.3892/mmr.2016.4934
MLA
Nouri, H. R., Karkhah, A., Mohammadzadeh, I., Sankian, M."Elevated caspase‑1 activity and IL‑1β expression are associated with the IPAF inflammasome in an experimental model of allergy". Molecular Medicine Reports 13.4 (2016): 3356-3362.
Chicago
Nouri, H. R., Karkhah, A., Mohammadzadeh, I., Sankian, M."Elevated caspase‑1 activity and IL‑1β expression are associated with the IPAF inflammasome in an experimental model of allergy". Molecular Medicine Reports 13, no. 4 (2016): 3356-3362. https://doi.org/10.3892/mmr.2016.4934
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