Lin chuang er bi yan hou ke za zhi = Journal of clinical otorhinolaryngology · 2003
[Effects of corticosteroid on eosinophils and expression of transforming growth factor beta 1 in nasal polyps].
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Tao Zezhang, Kong Yonggang, Xiao Bokui, Ye Linfeng, Wu Xiuzhi
Аннотация
OBJECTIVE: To observe the effects of systemic steroids on the infiltration of eosinophils and the expression of TGF beta 1 in nasal polyps.
METHOD: The SP immunohistochemical methods were applied to explore the expression of TGF beta 1 in nasal polyps before and after corticosteroids use; the optical density of positive cells in mucosal epithelia, eosinophils, glandular epithelium, vascular endothelial, matrix and mucous membrane was measured by using HPIAS-1,000 image-conduct system.
RESULT: The expression of TGF beta 1 was positive in nasal polyps. The number of eosinophils and the expression of TGF beta 1 was significantly reduced in nasal polyps after treated with corticosteroids compared with pre-treated.
CONCLUSION: The effects of systemical steroid use on the nasal polyps may depend on decreasing the infiltration of eosinophils and the expression of TGF beta 1.
METHOD: The SP immunohistochemical methods were applied to explore the expression of TGF beta 1 in nasal polyps before and after corticosteroids use; the optical density of positive cells in mucosal epithelia, eosinophils, glandular epithelium, vascular endothelial, matrix and mucous membrane was measured by using HPIAS-1,000 image-conduct system.
RESULT: The expression of TGF beta 1 was positive in nasal polyps. The number of eosinophils and the expression of TGF beta 1 was significantly reduced in nasal polyps after treated with corticosteroids compared with pre-treated.
CONCLUSION: The effects of systemical steroid use on the nasal polyps may depend on decreasing the infiltration of eosinophils and the expression of TGF beta 1.