IGF-2與VEGF在翼狀胬肉中的表達及意義
[Abstract]:Objective: to study the expression of insulin-like growth factor 2 (IGF-2) and vascular endothelial growth factor (VEGF) in pterygium. To provide theoretical basis for further study and active treatment of pterygium, and to lay a foundation for pre-operative medication and prevention of recurrence after operation. Methods: from November 2009 to October 2010, 52 patients with pterygium and strabismus were treated in the affiliated Hospital of Yanbian University. Other ocular diseases were excluded before the experiment. Experimental group: 42 pterygium patients aged between 38 and 65 years old were selected from pterygium patients (M 19, F 23). According to hyperemia or not, pterygium was divided into two groups: (1) static group (17 cases) and (2) stage group (25 cases). Control group: 10 normal conjunctiva specimens (all bulbar conjunctiva) were selected from patients with strabismus. The age of the patients ranged from 32 to 58 years old (M 6, F 4). Immunohistochemical SABC method was used to detect the expression of IGF-2 and VEGF between the two groups. Results: the positive expression rate of 1.IGF-2 in pterygium progression group, pterygium stationary stage group and normal conjunctiva group were 80.0%, 41.2% and 0.0%, respectively. The difference between normal conjunctiva group and normal conjunctiva group was statistically significant (P0.05). There was no significant difference between pterygium group and normal conjunctiva group (P0.05). 2. The positive expression rate of VEGF in pterygium progression group, pterygium stationary stage group and normal conjunctiva group were 92.0%, 52.9%, 30.0%, respectively. The difference was statistically significant (P0.05); There was no significant difference between pterygium group and normal conjunctiva group (P0.05). 3. The positive expression of IGF-2 and VEGF in pterygium was tested by the correlation analysis of grade data. The results showed that the two indexes were positively correlated with each other (r = 0.378, P0.05). Conclusion: the expression of 1.IGF-2 and VEGF in pterygium is higher than that in normal conjunctiva, 2.IGF-2 and VEGF may promote the occurrence and development of pterygium. 3.IGF-2 and VEGF may play a synergistic role in the pathogenesis of pterygium.
【學位授予單位】:延邊大學
【學位級別】:碩士
【學位授予年份】:2011
【分類號】:R779.6
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