The role of immunomodulatory oligonucleotides in prevention of OVA-induced Eustachian tube dysfunction

被引:5
作者
Ebert, Charles S., Jr.
Rose, Austin S.
Patel, Mihir R.
Hardy, Stuart M.
Kandimalla, Ekambar R.
Agrawal, Sudhir
Prazma, Jiri
Pillsbury, Harold C., III
机构
[1] Univ N Carolina, Neurosci Hosp G0412, Dept Otolaryngol Head & Neck Surg, Chapel Hill, NC 27599 USA
[2] Idera Pharmaceut Inc, Cambridge, MA USA
关键词
oligonucteotide; allergy; otitis media; transtympanic; Eustachian tube dysfunction;
D O I
10.1016/j.ijporl.2006.07.016
中图分类号
R76 [耳鼻咽喉科学];
学科分类号
100213 ;
摘要
Objective: To evaluate the potential role of immunomodulatory otigonucleotides (IMO) in the prevention of OVA-induced Eustachian tube dysfunction (ETD) in a rat model. Methods: Brown-Norway rats were sensitized to ovalbumin (OVA) and randomized to receive pre-treatment with IMO or phosphate buffered saline (PBS). After systemic sensitization, subjects received a transtympanic OVA challenge followed by evaluation of the Eustachian tube's dynamic function. Results: Pre-treatment of OVA sensitized animals with IMO normalized passive opening and closing Eustachian tube pressures, improved active clearance of negative pressure in the middle ear, and resulted in reduced mean mucociliary transit times compared to untreated OVA-sensitized animals (P < 0.001). Conclusion: These data demonstrate that pre-treatment with IMO prevent OVA-induced ETD in the rat. IMO treatment in the future may offer considerable promise in the management of OME in children. (C) 2006 Elsevier Ireland Ltd. All rights reserved.
引用
收藏
页码:2019 / 2026
页数:8
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