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Korean Journal of Otorhinolaryngology-Head and Neck Surgery > Volume 38(4); 1995 > Article
Korean Journal of Otorhinolaryngology-Head and Neck Surgery 1995;38(4): 501-5.
Demonstration of Interleukin 2, Interleukin 4, Interleukin 7 and Interleukin 2 Receptor(CD25) in Otitis Media with Effusion
Sang Won Yeo, MD, Kyung Ho Park, MD, Kyu Sik Kim, MD, Keum Hyung Lee, MD, Jae Sin Ahn, MD, and Byung Do Suh, MD
Department of Otolaryngology, Catholic University Medical College, Seoul, Korea
삼출성 중이염에서 Interleukin 2, Interleukin 4, Interleukin 7 및 Interleukin 2 수용체의 발현
여상원 · 박경호 · 이금형 · 김규식 · 안재신 · 서병도
가톨릭대학교 의과대학 이비인후과학교실
ABSTRACT

Retention of inflammatory mediators and cells in the middle ear cleft in otitis media with effusion(OME) results in inflammation and hearing loss. Cytokines, potent regulators and mediators of the immune response, are glycoprotein produced by macrophage and other cells, and induce fever production, fibroblast and cytotoxic cell activation, regulation of antibody formation and endothelial cell growth. We measured the levels of interleukin 2(IL-2), interleukin 4(IL-4) and interleukin 7(IL-7) in OME using enzyme-linked immunosorbent assays(ELISA) and interleukin 2 receptor(IL-2R, CD25) using flow cytometry. Positive level was considered to be only middle ear effusion(MEE) in which cytokines were detectable near or above the level of the lowest standard provided with the kits. The mean levels of IL-2, IL-4 and IL-7 were 48.20pg/mg IgG, 9.64±2.13pg/mg IgG, 88.50±26.20pg/mg IgG in serous type and 67.15±21.61pg/mg IgG, 29.55±22.14pg/mg IgG, 73.24±47.88pg/mg IgG in mucoid type. Positive levels of IL-2, IL-4 and IL-7 were found in 50%, 33% and 47% of MEE. Mean level of IL-2R was 5.41±8.12% and it did not show a significant difference according to the type of MEE. The results suggest that IL-2 and IL-4 may play a role of immunoregulator in the middle ear cleft in persistent OME while IL-7 may be an important regulator in the early stage of OME.

Keywords: Interleukin 2Interleukin 4Interleukin 7Interleukin 2 receptorOtitis media with effusion.
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