Antiallergic Effects of Trichostatin A in a Murine Model of Allergic Rhinitis
| Title: | Antiallergic Effects of Trichostatin A in a Murine Model of Allergic Rhinitis |
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| Authors: | Jung-Sun Cho, Ju-Hyung Kang, In-Hye Han, Ji-Young Um, Il-Ho Park, Sang Hag Lee, Heung-Man Lee |
| Source: | Clinical and Experimental Otorhinolaryngology, Vol 8, Iss 3, Pp 243-249 (2015) |
| Publisher Information: | Korean Society of Otorhinolaryngology-Head and Neck Surgery, 2015. |
| Publication Year: | 2015 |
| Collection: | LCC:Medicine LCC:Otorhinolaryngology |
| Subject Terms: | Allergic Rhinitis, Trichostatin A, Histone Deacetylases, Ovalbumin, Mice, Medicine, Otorhinolaryngology, RF1-547 |
| More Details: | ObjectivesTrichostatin A (TSA), an inhibitor of histone deacetylase, has been shown to play an important role in attenuating asthmatic inflammation. However, the effect of TSA in allergic rhinitis is not known. The aims of this study were to investigate the effect of TSA on allergic nasal inflammation and on the induction of regulatory T cells in a murine model of allergic rhinitis.MethodsBALB/c mice were sensitized intraperitoneally with ovalbumin (OVA) and then challenged intranasally with OVA. TSA (1 mg/kg) was given to the treatment group, and multiple parameters of allergic responses were evaluated to determine the effects of TSA on allergic rhinitis. Allergic nasal symptom scores, including frequency of rubbing and sneezing, were checked. Eosinophil infiltrations were stained with Chromotrope 2R, and the expression levels of OVA-specific IgE, T-helper 1 (Th1) cytokine (interferon-gamma [IFN-γ]), Th2 cytokines (interleukin [IL] 4 and IL-5) and Treg (Foxp3, IL-10, and transforming growth factor-beta [TGF-β]) were measured by quantitative reverse transcription-polymerase chain reaction or enzyme-linked immunosorbent assay.ResultsTSA reduced the scores of allergic nasal symptoms and the amount of eosinophil infiltration into the nasal mucosa. TSA suppressed OVA-specific IgE levels and reduced expression of the IL-4 and IL-5. However, the expression of IFN-γ was unchanged in the treatment group. The levels of Foxp3, IL-10, and TGF-β were increased in pretreatment with TSA as compared to control group.ConclusionThis study shows that TSA induced antiallergic effects by decreasing eosinophilic infiltration and Th2 cytokines in a murine model of allergic rhinitis via regulation of Tregs. Thus, TSA may be considered a potentially therapeutic agent in treating allergic rhinitis. |
| Document Type: | article |
| File Description: | electronic resource |
| Language: | English |
| ISSN: | 1976-8710 2005-0720 |
| Relation: | http://www.e-ceo.org/upload/pdf/ceo-8-243.pdf; https://doaj.org/toc/1976-8710; https://doaj.org/toc/2005-0720 |
| DOI: | 10.3342/ceo.2015.8.3.243 |
| Access URL: | https://doaj.org/article/9236280bf2c7401a9e12f104ae41e440 |
| Accession Number: | edsdoj.9236280bf2c7401a9e12f104ae41e440 |
| Database: | Directory of Open Access Journals |
| ISSN: | 19768710 20050720 |
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| DOI: | 10.3342/ceo.2015.8.3.243 |
| Published in: | Clinical and Experimental Otorhinolaryngology |
| Language: | English |